WO2017163391A1 - 皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法 - Google Patents
皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法 Download PDFInfo
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Definitions
- the present invention relates to a method for searching for a substance for selectively controlling the activity of androgen receptor in sebaceous glands or hair follicles.
- Androgen receptor is a steroid hormone receptor subfamily that includes mineralocorticoid receptor (MR), progesterone receptor (PR), estrogen receptor (ER), and glucocorticoid receptor (GR). It is a part. Endogenous steroidal androgens (eg, testosterone and 5 ⁇ -dihydrotestosterone (DHT)) are major circulating hormones that play a key role in regulating various physiological processes in addition to promoting secondary sexual characteristics. Regarding the role of androgen in the skin, oral administration of dehydroepiandrosterone (DHEA) improved the skin condition of the elderly, and in postmenopausal women, the amount of sebum is usually reduced by local administration of DHEA to the skin.
- DHEA dehydroepiandrosterone
- Non-patent Document 1 It has been reported that the amount of sebum has increased (Non-patent Document 1). Furthermore, when an androgen receptor inhibitor was ingested, growth of the hair at the top of the head was promoted, but growth of other hairs was inhibited, and sebum secretion decreased, while ingestion of androgen In some cases, it has been reported that hair growth at the top of the head is inhibited, while growth of other body hair is promoted, and sebum secretion increases, and these androgens are associated with sebaceous glands and hair. It is thought that the characteristic regarding is comprehensively controlled (Non-Patent Documents 2 and 3). So far, substances for improving acne, alopecia or hirsutism have been developed by inhibiting androgen receptor activity (Non-Patent Documents 4 and 5).
- HIF1 ⁇ hyperoxia industrial factor 1, alpha subunit
- HIF1 ⁇ hypoxia-activated factor 1, alpha subunit
- HIF1 ⁇ has an effect of suppressing cell death due to apoptosis of neutrophils (Non-patent Document 6).
- HIF1 ⁇ regulates wound healing and barrier function in the skin (Non-patent Document 7).
- HIF1 ⁇ induces an increase in the expression of glycolytic enzymes in a hypoxic environment (Non-patent Document 8).
- Non-patent Documents 9 and 10 the relationship between androgen receptors in sebaceous glands and hair follicles and HIF1 ⁇ or glycolytic enzymes is not known.
- Non-Patent Document 1 Maturitas, 2008, 59: 174-181
- Non-Patent Document 2 Dermatol Ther, 2008, 21: 314-328
- Non-Patent Document 3 J Clin Endocrinol Metab, 2000, 85: 2913-2921
- Non-Patent Document 4 Cochrane database of systematic reviews, 2001, CD000194 (Non-Patent Document 5) Br J Dermatol, 2005, 152: 466-473 (Non-Patent Document 6) J Exp Med, 2005, 201: 105-115 (Non-patent document 7) J invest Dermatol, 2011, 131: 1793-1805 (Non-Patent Document 8) Mol Cell, 2010, 40: 294-309 (Non-patent document 9) J Invest Dermatol, 2006, 126: 2596-2606 (Non-Patent Document 10) J Invest Dermatol, 2007, 127: 2445-2452
- the present invention provides a method for evaluating or selecting a sebaceous gland or hair follicle selective androgen receptor activity regulator comprising the following.
- A applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions;
- B measuring the activity of HIF1 ⁇ in the cells;
- C comparing the activity measured in (B) with the activity of HIF1 ⁇ in the control group; and
- D Evaluating the effect of controlling the test substance's HIF1 ⁇ activity based on the result of (C)
- the present invention also provides a method for evaluating or selecting a sebaceous gland or hair follicle selective androgen receptor activity regulator comprising the following.
- A applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions;
- B ′ measuring the activity of a factor induced by HIF1 ⁇ in the cell;
- C ′ comparing the activity measured in (B ′) with the activity of the factor in a control group; and
- D ′ Evaluating the effect of the test substance on the activity of the factor based on the result of (C ′)
- the present invention also provides sebaceous gland or hair follicle selective androgen reception comprising as an active ingredient at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene.
- a body activity inhibitor e.g., a sebum secretion inhibitor, an acne prevention or improvement agent, an alopecia prevention or improvement agent, or a hirsutism prevention or improvement agent.
- the present invention also relates to HIF1 ⁇ for the production of sebaceous gland or hair follicle selective androgen receptor activity inhibitor, sebum secretion inhibitor, acne prevention or improvement agent, alopecia prevention or improvement agent, or hirsutism prevention or improvement agent.
- HIF1 ⁇ for the production of sebaceous gland or hair follicle selective androgen receptor activity inhibitor, sebum secretion inhibitor, acne prevention or improvement agent, alopecia prevention or improvement agent, or hirsutism prevention or improvement agent.
- siRNA for each of the gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene.
- the present invention also provides a HIF1 ⁇ gene, ENO1 gene, LDHA gene for sebaceous gland or hair follicle selective androgen receptor activity suppression, sebum secretion suppression, acne prevention or improvement, alopecia prevention or improvement, or hirsutism prevention or improvement , At least one non-therapeutic use selected from the group consisting of siRNA for each of the PGK1 gene, GPI gene and HK1 gene.
- the present invention also provides a HIF1 ⁇ gene, an ENO1 gene for use in sebaceous gland or hair follicle selective androgen receptor activity inhibition, sebum secretion inhibition, acne prevention or improvement, alopecia prevention or improvement, or hirsutism prevention or improvement, At least one selected from the group consisting of siRNA for each of the LDHA gene, PGK1 gene, GPI gene and HK1 gene is provided.
- At least one selected from the group consisting of siRNA for each of the HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene is administered to the subject sebaceous gland cells or hair follicle cells.
- HIF1 ⁇ Effect of glycolytic enzyme expression on AR activity. Effect of HIF1 ⁇ on the expression of glycolytic enzymes. Effect of HIF1 ⁇ on AR activity in sebaceous gland cells (SZ95). Effect of HIF1 ⁇ on AR activity in prostate cancer cells (LNCaP). Changes in HIF1 ⁇ activity by addition of retinoic acid.
- HIF1 ⁇ hyperoxia inducible factor 1, alpha subunit
- HRE Hypoxia Response Element
- glycolytic enzymes examples include enolase 1, lactate dehydrogenase A, phosphoglycerate kinase 1, glucose-6-phosphate isomerase, and hexokinase 1, which are the genes ENO1, LDHAG, and KHPG1, respectively. ing.
- HIF1 ⁇ activity refers to transcriptional activity by HIF1 ⁇ .
- the transcriptional activity by HIF1 ⁇ can be measured by detecting the binding level of HIF1 ⁇ to HRE, the expression level of HIF1 ⁇ gene, or the expression level of HIF1 ⁇ protein.
- the “HIF1 ⁇ gene” is a gene encoding the “HIF1 ⁇ ”.
- “HIF1 ⁇ gene” preferably refers to a gene registered in Genbank as NG — 0947470.1, a homologue, paralogue or orthologue thereof, more preferably the nucleotide sequence represented by SEQ ID NO: 1, A polynucleotide encoding a protein consisting of a nucleotide sequence having at least 90% identity with the sequence and being expressed by hypoxia and functioning as a transcription factor.
- the “factor induced by HIF1 ⁇ ” in the present specification refers to a factor whose expression or activation is induced by HIF1 ⁇ , preferably enolase. 1, at least one glycolytic enzyme selected from the group consisting of lactate dehydrogenase A, phosphoglycerate kinase 1, gluco-6-phosphate isomerase, and hexokinase 1. Examples of genes encoding these glycolytic enzymes include ENO1, LDHA, PGK1, GPI, and HK1. ENO1 is a product of OMIM 172430, GenBank Accession No. It is a gene registered as NG — 02944.70.1.
- ENO1 in the present specification consists of the nucleotide sequence represented by SEQ ID NO: 3, or a nucleotide sequence having at least 90% identity with the sequence, and 2-phosphoglycerate is converted to phosphoenolpyruvate.
- LDHA is an OMIM 150,000, GenBank Accession No. It is a gene registered as NG_008185.1.
- “LDHA” in the present specification comprises the nucleotide sequence shown in SEQ ID NO: 4, or a nucleotide sequence having at least 90% identity with the sequence, and L-lactate and NAD are converted into pyruvate and NADH.
- PGK1 is OMIM 311800, GenBank Accession No. It is a gene registered as NG_008862.1.
- “PGK1” in the present specification consists of the nucleotide sequence shown in SEQ ID NO: 5, or a nucleotide sequence having at least 90% identity with the sequence, and 1,3-diphosphoglycerate is changed to 3-phosphoglycerate.
- GPI is OMIM 172400, GenBank Accession No. It is a gene registered as NG — 02838.2.
- “GPI” in the present specification consists of a nucleotide sequence represented by SEQ ID NO: 6, or a nucleotide sequence having at least 90% identity with the sequence, and glucose-6-phosphate is expressed as fructose-6-.
- HK1 is OMIM 142600, GenBank Accession No. It is a gene registered as NG_012077.1.
- “HK1” in the present specification consists of the nucleotide sequence shown in SEQ ID NO: 7, or a nucleotide sequence having at least 90% identity with the sequence, and converts glucose to gluco-6-phosphate. It refers to a polynucleotide encoding an enzyme.
- HIF1 ⁇ -inducible factor is preferably composed of enolase 1, lactate dehydrogenase A, phosphorylate kinase 1, glucose-6-phosphate isomerase, and hexok. It means at least one activity of a glycolytic enzyme selected from the group.
- amino acid sequences and nucleotide sequences means 90% or more, preferably 95% or more, more preferably 98% or more, and even more preferably 99% or more.
- nucleotide sequences and amino acid sequences is calculated by the Lippman-Pearson method (Lipman-Pearson method; Science, 1985, 227: 1435-1441). Specifically, using the homology analysis (Search homology) program of genetic information software Genetyx-Win (Ver. 5.1.1; software development), perform analysis with unit size to compare (ktup) as 2. Is calculated by the homology analysis (Search homology) program of genetic information software Genetyx-Win (Ver. 5.1.1; software development), perform analysis with unit size to compare (ktup) as 2. Is calculated by
- alopecia refers to a symptom characterized by a decrease in hair and thin hair
- hyperhirsia refers to the amount of hair due to thick or long hair such as a beard, limbs, or trunk.
- alopecia refers to a symptom characterized by a decrease in hair and thin hair
- hyperhirsia refers to the amount of hair due to thick or long hair such as a beard, limbs, or trunk.
- prevention means prevention, suppression or delay of the onset of a disease or condition in an individual, or reduction of the risk of onset of a disease or condition in an individual.
- improvement refers to improvement of a disease or condition, prevention, suppression or delay of deterioration of a disease or condition, or reversal, prevention, suppression or delay of progression of a disease or condition.
- non-therapeutic refers to a concept that does not include medical practice, that is, does not include methods for surgery, treatment, or diagnosis of humans, more specifically, a physician, or a medical professional or physician. It is a concept that does not include a method in which a person who receives an instruction performs surgery, treatment, or diagnosis on a human.
- the present invention relates to the provision of a method for searching for a substance for selectively controlling the activity of androgen receptor selectively in the sebaceous gland and hair follicles, without causing side effects via the androgen receptor of the gonadal gland.
- the present inventors have conducted intensive studies to search for molecules that selectively contribute to androgen receptor activity in sebaceous glands and hair follicles. As a result, the present inventors have shown that HIF1 ⁇ is significantly expressed in sebaceous glands and hair follicles compared to gonads, and that HIF1 ⁇ corrects androgen receptor activity in sebaceous gland cells and hair follicles under hypoxic conditions. Found to control. That is, it has been found that an androgen receptor activity regulator capable of controlling androgen receptor activity selectively in the sebaceous glands and hair follicles can be evaluated or selected by using the level of HIF1 ⁇ activity of cells under hypoxic conditions as an index. It was.
- the androgen receptor activity regulator sought by the method of the present invention is used to control symptoms related to sebaceous glands and hair, such as sebum secretion control, acne prevention or improvement, alopecia prevention or improvement, hirsutism prevention or improvement, senile dryness. It can be used to prevent or improve dermatosis.
- the androgen receptor activity regulator sought by the method of the present invention has a low risk of causing side effects via the androgen receptor of the gonadal and can be used safely.
- HIF1 ⁇ As shown in Examples described later, the expression level of HIF1 ⁇ was significantly higher in the sebaceous glands and hair follicles than in the gonads (Example 1).
- the present inventors have found that HIF1 ⁇ positively regulates sebaceous gland androgen receptor activity under hypoxic conditions (Example 4).
- the present inventors have also found that a factor induced by HIF1 ⁇ activation positively regulates sebaceous gland androgen receptor activity (Example 2).
- androgens are involved in sebum secretion and hair growth by acting on sebaceous glands and hair follicles (for example, Non-Patent Documents 1 and 2).
- a substance that changes the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor selectively changes the activity of androgen receptor in sebaceous gland cells or hair follicle cells, and thus activation or suppression of androgen receptor in sebaceous gland or hair follicle cells.
- the present invention evaluates the androgen receptor activity control action of various substances using the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor as an index, or based on the evaluation, a sebaceous gland or hair follicle selective androgen receptor activity control agent, Or a method for selecting a control agent for symptoms related to sebaceous glands and hair, such as a sebum secretion control agent, acne prevention or improvement agent, alopecia prevention or improvement agent, hirsutism prevention or improvement agent, senile dry skin disease prevention or improvement agent, etc. I will provide a.
- the evaluation or selection method of the present invention can be performed in vitro or ex vivo.
- one embodiment of the present invention is the following: (A) applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions; (B) measuring the activity of HIF1 ⁇ in the cells; (C) comparing the activity measured in (B) with the activity of HIF1 ⁇ in the control group; and (D) Based on the result of (C), evaluating the effect of controlling the activity of the test substance HIF1 ⁇ , A method for evaluating or selecting a sebaceous gland or hair follicle-selective androgen receptor activity regulator.
- Another embodiment of the present invention provides a sebum secretion control agent, acne prevention or amelioration agent, alopecia prevention or amelioration agent, hirsutism prevention or amelioration agent, or the elderly, comprising (A) to (D) above.
- This is a method for evaluating or selecting an agent for preventing or improving xeroderma pigmentosum.
- FIG. 1 For embodiments of the invention, include the following: (A) applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions; (B ′) measuring the activity of a factor induced by HIF1 ⁇ in the cell; (C ′) comparing the activity measured in (B ′) with the activity of the factor in a control group; and (D ′) evaluating the effect of the test substance on the activity of the factor based on the result of (C ′), A method for evaluating or selecting a sebaceous gland or hair follicle-selective androgen receptor activity regulator.
- the factor induced by HIF1 ⁇ is at least one glycolytic enzyme selected from the group consisting of enolase 1, lactate dehydrogenase A, phosphoglycerate kinase 1, glucose-6-phosphate isomerase, and hexokinase 1. It is.
- Still another embodiment of the present invention provides a sebum secretion control agent, acne prevention or amelioration agent, alopecia prevention or amelioration agent, hirsutism prevention comprising the above (A) and (B ′) to (D ′).
- a sebum secretion control agent acne prevention or amelioration agent
- alopecia prevention or amelioration agent hirsutism prevention
- it is a method for evaluating or selecting an improving agent, or an agent for preventing or improving senile xeroderma.
- the test substance used in the method of the present invention is an androgen receptor activity control agent, sebum secretion control agent, acne prevention or improvement agent, alopecia prevention or improvement agent, hirsutism prevention or improvement agent, or senile xeroderma
- the substance is not particularly limited as long as it is a substance desired to be used as a preventive or ameliorating agent.
- the test substance may be a naturally occurring substance, a substance artificially synthesized by a chemical or biological method, etc., and may be a compound, a composition or a mixture. Also good.
- sebaceous gland-derived cells or hair follicle-derived cells examples include sebaceous gland cells or hair follicle cells isolated from mammals, or cultures thereof.
- sebaceous gland cells or hair follicle cell cultures include sebaceous gland cell lines, hair follicle cell lines, skin and hair follicle tissues or organ cultures (isolated hair follicle cultures, organ culture hair follicles, three-dimensional cultured skin, etc. And the like, and preferably an established human sebaceous gland cell line.
- human sebaceous gland cell lines include immortalized human-derived sevocyte cell lines (for example, DSM ACC2383 or SZ95, and SEB-1) (Special Table 2002-535984 publication, J Invest Dermatol, 1999, 113: 1011-1120, and J Invest Dermatol, 2003, 120: 905-914)), but is not limited thereto.
- Examples of mammals from which the sebaceous gland-derived cells or hair follicle-derived cells are derived include humans, mice, rats, hamsters, guinea pigs, rabbits, cats, dogs, pigs, monkeys, etc., and humans are preferred. It is not limited.
- a test substance is applied to the sebaceous gland-derived cells or hair follicle-derived cells under hypoxic conditions.
- the procedure include: seeding the cells in a medium to which a test substance has been added in advance and culturing under low oxygen conditions; adding the test substance to a medium in which the cells are cultured under low oxygen conditions And further culturing under hypoxic conditions; after adding a test substance to a medium in which the cells are usually cultured under an oxygen concentration, the cells are further cultured under hypoxic conditions.
- the test substance may be directly administered to the organ or tissue instead of being added to the medium.
- the sebaceous gland-derived cells or hair follicle-derived cells are cultured under hypoxic conditions to induce the expression of HIF1 ⁇ or HIF1 ⁇ -inducible factor in the cells.
- the “hypoxic condition” in the present invention may be any oxygen concentration condition that can induce the expression of HIF1 ⁇ in cells, but preferably the oxygen concentration in the cell culture atmosphere is about 5% or less, more preferably about 0. The condition is 1% to about 5%.
- Hypoxic conditions can be achieved with an incubator equipped with an oxygen concentration controller. Such incubators are known, and various types are commercially available (for example, BIONIX hypoxic culture kit; Sugia Magen, Aneropac Kenki; Mitsubishi Gas Chemical Co., Ltd.).
- the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor in the sebaceous gland-derived cells or hair follicle-derived cells is measured.
- the activity of HIF1 ⁇ is measured by measuring the binding level of HIF1 ⁇ to HRE, the expression level of HIF1 ⁇ gene, or the protein expression level of HIF1 ⁇ .
- the method of measuring the binding level to HRE is preferable because it is simple, rapid and preferable.
- the activity of the HIF1 ⁇ -inducible factor is measured by measuring the expression level of the factor gene or the protein encoded thereby.
- the measurement of the activity of the HIF1 ⁇ -inducible factor is performed by measuring the expression level of at least one gene selected from the group consisting of ENO1, LDHA, PGK1, GPI and HK1, or the group consisting of enzymes encoded by these genes It is carried out by measuring the level of expression or enzyme activity of at least one enzyme selected from the above.
- the measurement of the HIF1 ⁇ binding activity level to HRE may be performed according to a method known in the art.
- the expression (for example, luciferase activity) of the marker gene in a cell into which a marker gene (for example, luciferase gene) is operably linked downstream of the HRE is introduced.
- the expression level of HIF1 ⁇ or HIF1 ⁇ -inducible factor can be determined by measuring the expression level of HIF1 ⁇ or HIF1 ⁇ -inducible factor gene or protein.
- the expression level of a gene of HIF1 ⁇ or HIF1 ⁇ -inducible factor can be measured by quantifying mRNA transcribed from the gene.
- Quantification of mRNA can be performed by real-time RT-PCR, RNase protection assay, or Northern blot analysis.
- the protein expression level of HIF1 ⁇ or HIF1 ⁇ -inducible factor can be measured by a conventional immunoassay, for example, RIA method, EIA method, ELISA, bioassay method, proteome, Western blot, and the like.
- a conventional immunoassay for example, RIA method, EIA method, ELISA, bioassay method, proteome, Western blot, and the like.
- the real-time RT-PCR method is inexpensive and simple.
- the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor in the sebaceous gland-derived cells or hair follicle-derived cells (test group) to be measured is compared with the activity in the control group.
- the control group include the same sebaceous gland-derived cells or hair follicle-derived cells as in the test group, which were not contacted with the test substance.
- the procedure for measuring the expression level of HIF1 ⁇ activity or HIF1 ⁇ -inducible factor in the control group is as described above.
- test substance has an effect of controlling the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor. Evaluated as being.
- the test substance is evaluated as having an effect of reducing the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor. if the activity of HIF1 ⁇ or HIF1 ⁇ inducible factor in the test group is statistically significantly reduced relative to the activity of HIF1 ⁇ or HIF1 ⁇ inducible factor in the control group, the test substance is It is evaluated that it has the effect of reducing the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor.
- the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor in the control group is 100%
- the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor in the test group is 95% or less, preferably 90% or less, more preferably Is 85% or less, more preferably 80% or less
- the test substance is evaluated as having an effect of reducing the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor.
- the test substance is evaluated as having an effect of increasing the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor. .
- the test substance is It is evaluated that there is an effect of increasing the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor.
- the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor in the control group is 100%
- the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor in the test group is 105% or more, preferably 110% or more, more preferably Is 115% or more, more preferably 120% or more
- the test substance is evaluated as having an effect of increasing the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor.
- test substance evaluated as having an effect of controlling the activity of HIF1 ⁇ or HIF1 ⁇ -inducible factor is selected as a sebaceous gland or hair follicle selective androgen receptor activity regulator. More specifically, test substances evaluated to have an effect of reducing the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor are sebaceous gland or hair follicle selective androgen receptor activity inhibitor, sebum secretion inhibitor, acne prevention or amelioration agent , Selected as alopecia preventive or ameliorating agent or hirsutism preventive or ameliorating agent.
- test substances evaluated as having an effect of increasing the activity of HIF1 ⁇ or HIF1 ⁇ -inducing factor are sebaceous gland or hair follicle selective androgen receptor activity promoter, sebum secretion promoter, or senile xeroderma Selected as an improver.
- siRNA for HIF1 ⁇ or HIF1 ⁇ -inducible factor gene examples include siRNA for HIF1 ⁇ or HIF1 ⁇ -inducible factor gene. Therefore, siRNA for HIF1 ⁇ or HIF1 ⁇ -inducible factor gene is used for sebaceous gland or hair follicle selective androgen receptor activity inhibition, sebum secretion inhibition, acne prevention or improvement, alopecia prevention or improvement, or hirsutism prevention or improvement Can be used.
- the use of the siRNA according to the present invention may be a therapeutic use or a non-therapeutic use.
- therapeutic uses include use on humans and non-human mammals suffering from alopecia or hirsutism.
- non-therapeutic use include use for sebum secretion suppression for cosmetic purposes, improvement of oily skin, or prevention of acne, and use for hair loss prevention or body hair reduction for cosmetic purposes.
- yet another embodiment of the present invention is a sebaceous gland comprising as an active ingredient at least one selected from the group consisting of siRNA for each of the HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene. Or a hair follicle selective androgen receptor activity inhibitor, a sebum secretion suppression method agent, an acne prevention or improvement agent, alopecia prevention or improvement agent, or a hirsutism prevention or improvement agent.
- the subject sebaceous gland cells or hair follicle cells are at least one selected from the group consisting of siRNA for each of the HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene.
- Subjects in these methods include human and non-human mammals.
- the subject includes a subject that requires or desires sebaceous gland or hair follicle selective androgen receptor activity inhibition. More specifically, subjects that require or desire sebum secretion suppression, acne prevention or improvement, alopecia prevention or improvement, or hirsutism prevention or improvement.
- the siRNA is administered to sebaceous gland cells.
- the siRNA is administered to the hair follicle cells of the head.
- the siRNA is administered to the hair follicle cells of the head or a part other than the head (eg, face, neck, arm, hand, leg, foot, trunk, etc.). Is done.
- the siRNA is administered transdermally or topically administered to the skin.
- examples of the non-human mammal include a mouse and a rat.
- SiRNA for the gene of HIF1 ⁇ or HIF1 ⁇ -inducible factor can be designed or synthesized using known software (for example, siDirect) or a commissioned synthesis service (provided by Life technologies, Sigma-Aldrich, etc.).
- siRNA is designed as a short double-stranded RNA (or RNA / DNA) of about 21 to 30 bases, preferably about 21 to 25 bases.
- the siRNA may have a blunt end, but usually has an overhang of about 2 bases at each 3 'end of the double strand.
- the protruding portion is often designed as TT, but is not limited thereto.
- the RNA of SEQ ID NO: 8 corresponds to nucleotides 1204 to 1228 of SEQ ID NO: 1.
- the RNA of SEQ ID NO: 9 corresponds to nucleotides 360 to 384 of SEQ ID NO: 1.
- the RNA of SEQ ID NO: 9 corresponds to nucleotides 700 to 724 of SEQ ID NO: 1.
- Preferred examples of the siRNA include double-stranded RNA or RNA / RNA comprising RNA that is 90% or more, preferably 95% or more identical to the RNA of SEQ ID NO: 8, SEQ ID NO: 9 or SEQ ID NO: 10, and its complementary strand.
- a DNA duplex is mentioned.
- a method for evaluating or selecting a sebaceous gland or hair follicle-selective androgen receptor activity control agent comprising: (A) applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions; (B) measuring the activity of HIF1 ⁇ in the cells; (C) comparing the activity measured in (B) with the activity of HIF1 ⁇ in the control group; and (D) Based on the result of (C), to evaluate the effect of controlling the activity of test substance HIF1 ⁇ .
- test substance evaluated as having an effect of decreasing the activity of HIF1 ⁇ in (D) above is a sebaceous gland or hair follicle selective androgen receptor activity inhibitor, sebum secretion inhibitor, acne prevention or improvement agent, Selecting as an alopecia preventive or ameliorating agent, or as a hirsutism preventing or ameliorating agent,
- the method according to ⁇ 1> comprising:
- test substance evaluated as having an effect of increasing the activity of HIF1 ⁇ in (D) above is a sebaceous gland or hair follicle selective androgen receptor activity promoter, sebum secretion promoter, or senile xeroderma Selecting as preventive or ameliorating agent,
- the method according to ⁇ 1> comprising:
- a method for evaluating or selecting a sebum secretion control agent, acne prevention or improvement agent, alopecia prevention or improvement agent, hirsutism prevention or improvement agent, or senile xeroderma prevention or improvement agent comprising: (A) applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions; (B) measuring the activity of HIF1 ⁇ in the cells; (C) comparing the activity measured in (B) with the activity of HIF1 ⁇ in the control group; and (D) Based on the result of (C), to evaluate the effect of controlling the activity of test substance HIF1 ⁇ .
- test substance evaluated as having an effect of reducing the activity of HIF1 ⁇ in (D) above is a sebum secretion inhibitor, acne prevention or improvement agent, alopecia prevention or improvement agent, or hirsutism prevention or improvement Selecting as an agent,
- the method according to ⁇ 4> comprising:
- ⁇ 6> Preferably, further: (E) selecting a test substance evaluated as having an effect of increasing the activity of HIF1 ⁇ in (D) above as a sebum secretion promoter, or a senile xeroderma prophylactic or improving agent,
- the method according to ⁇ 4> comprising:
- ⁇ 7> The method according to any one of ⁇ 1> to ⁇ 6>, wherein the sebaceous gland-derived cell or hair follicle-derived cell is preferably a human-derived cell.
- ⁇ 8> The method according to any one of ⁇ 1> to ⁇ 6>, preferably a human sebaceous gland cell line in which the sebaceous gland-derived cells are established.
- the low oxygen condition is a condition in which the oxygen concentration in the culture atmosphere is preferably about 5% or less, more preferably about 0.1% to about 5%, and any one of ⁇ 1> to ⁇ 8> The method according to claim 1.
- ⁇ 10> The method according to any one of ⁇ 1> to ⁇ 9>, wherein the measurement of the HIF1 ⁇ activity is preferably a measurement of a binding level of HIF1 ⁇ to a Hyperxia Response Element.
- ⁇ 11> The method according to any one of ⁇ 1> to ⁇ 9>, wherein preferably the measurement of the activity of HIF1 ⁇ is measurement of the expression level of the HIF1 ⁇ gene or the protein expression level of HIF1 ⁇ .
- HIF1 ⁇ gene is preferably a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 1 or a nucleotide sequence having at least 90% identity to the sequence.
- the test substance has an effect of reducing the activity of HIF1 ⁇ when the activity measured in (B) is statistically significantly reduced with respect to the activity in the control group.
- test substance has an effect of increasing the activity of HIF1 ⁇ when the activity measured in (B) is statistically significantly increased relative to the activity in the control group.
- the activity measured in (B) is 95% or less, preferably 90% or less, more preferably 85% or less, still more preferably The method according to any one of ⁇ 1> to ⁇ 13>, wherein the test substance is evaluated to have an effect of reducing the activity of HIF1 ⁇ when the ratio is 80% or less.
- the activity measured in (B) above is 105% or more, preferably 110% or more, more preferably 115% or more, and still more preferably The method according to any one of ⁇ 1> to ⁇ 13>, wherein the test substance is evaluated to have an effect of increasing the activity of HIF1 ⁇ when it is 120% or more.
- a method for evaluating or selecting a sebaceous gland or hair follicle-selective androgen receptor activity control agent comprising: (A) applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions; (B ′) measuring the activity of a factor induced by HIF1 ⁇ in the cell; (C ′) comparing the activity measured in (B ′) with the activity of the factor in a control group; and (D ′) Evaluating the effect of the test substance on the activity of the factor based on the result of (C ′)
- test substance evaluated as having an effect of increasing the activity of a factor induced by HIF1 ⁇ in (D ′) above is a sebaceous gland or hair follicle selective androgen receptor activity promoter, sebum secretion promoter Or select as a preventive or ameliorating agent for senile xeroderma, ⁇ 18> The method according to ⁇ 18>.
- a method for evaluating or selecting a sebum secretion control agent, acne prevention or improvement agent, alopecia prevention or improvement agent, hirsutism prevention or improvement agent, or senile xeroderma prevention or improvement agent comprising: (A) applying a test substance to a sebaceous gland-derived cell or a hair follicle-derived cell under hypoxic conditions; (B ′) measuring the activity of a factor induced by HIF1 ⁇ in the cell; (C ′) comparing the activity measured in (B ′) with the activity of the factor in a control group; and (D ′) Evaluating the effect of the test substance on the activity of the factor based on the result of (C ′)
- test substance evaluated as having an effect of reducing the activity of a factor induced by HIF1 ⁇ in (D ′) above is a sebum secretion inhibitor, acne prevention or improvement agent, alopecia prevention or improvement agent Or select as an agent for preventing or improving hirsutism, The method of ⁇ 21> description including this.
- test substance evaluated as having an effect of increasing the activity of the factor induced by HIF1 ⁇ in (D ′) above is selected as a sebum secretion promoter or a preventive or ameliorating agent for senile xerosis To do, The method of ⁇ 21> description including this.
- ⁇ 24> The method according to any one of ⁇ 18> to ⁇ 23>, wherein the sebaceous gland-derived cell or hair follicle-derived cell is a human-derived cell.
- ⁇ 25> The method according to any one of ⁇ 18> to ⁇ 23>, preferably a human sebaceous gland cell line in which the sebaceous gland-derived cells are established.
- the low oxygen condition is a condition in which the oxygen concentration in the culture atmosphere is preferably about 5% or less, more preferably about 0.1% to about 5%, and any of ⁇ 18> to ⁇ 25> The method according to claim 1.
- ⁇ 27> Measurement of the activity of the factor induced by HIF1 ⁇
- the ENO1 gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 3, or a nucleotide sequence having at least 90% identity with the sequence
- the LDHA gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 4, or a nucleotide sequence having at least 90% identity with the sequence
- the PGK1 gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 5, or a nucleotide sequence having at least 90% identity with the sequence
- the GPI gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 6, or a nucleotide sequence having at least 90% identity with the sequence
- the HK1 gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 7, or a nucleotide sequence having at least 90% identity with the sequence
- the activity of the factor induced by HIF1 ⁇ is measured when the activity measured in (B ′) is statistically significantly decreased with respect to the activity in the control group.
- the test substance is an activity of a factor induced by HIF1 ⁇ .
- the activity measured in (B ′) is 95% or less, preferably 90% or less, more preferably 85% or less, still more preferably The method according to any one of ⁇ 18> to ⁇ 28>, wherein the test substance is evaluated to have an effect of reducing the activity of a factor induced by HIF1 ⁇ when the A is 80% or less.
- the activity measured in (B ′) above is 105% or more, preferably 110% or more, more preferably 115% or more, and still more preferably The method according to any one of ⁇ 18> to ⁇ 28>, wherein the test substance is evaluated to have an effect of increasing the activity of a factor induced by HIF1 ⁇ when the ratio is 120% or more.
- Sebaceous gland or hair follicle selective androgen receptor activity comprising as an active ingredient at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene Inhibitor.
- a sebum secretion inhibitor comprising as an active ingredient at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene.
- An acne prevention or amelioration agent comprising, as an active ingredient, at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene.
- Alopecia prophylaxis or amelioration agent comprising, as an active ingredient, at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene.
- a hirsutism prevention or amelioration agent comprising, as an active ingredient, at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene.
- ⁇ 38> At least selected from the group consisting of siRNA for each of the HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for the production of sebaceous gland or hair follicle selective androgen receptor activity inhibitor One use.
- RNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for the production of a sebum secretion inhibitor.
- ⁇ 40> Use of at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for the manufacture of an acne prevention or amelioration agent.
- ⁇ 41> Use of at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for the production of alopecia prevention or ameliorating agent.
- ⁇ 42> Use of at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene, and HK1 gene for the production of an agent for preventing or improving hirsutism.
- ⁇ 43> At least one selected from the group consisting of siRNA for each of the HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for sebaceous gland or hair follicle selective androgen receptor activity suppression use.
- ⁇ 44> Use of at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene, and HK1 gene for suppressing sebum secretion.
- ⁇ 45> Use of at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for preventing or improving acne.
- ⁇ 46> Use of at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for the prevention or improvement of alopecia.
- ⁇ 47> Use of at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for the prevention or improvement of hirsutism.
- the use is a non-therapeutic use.
- ⁇ 50> At least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for use in suppressing sebum secretion.
- ⁇ 51> At least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene, and HK1 gene for use in preventing or improving acne.
- ⁇ 52> At least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for use in the prevention or improvement of alopecia.
- ⁇ 53> At least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene for use in the prevention or improvement of hirsutism.
- ⁇ 54> including administering to the subject sebaceous gland cells or hair follicle cells at least one selected from the group consisting of siRNA for each of the HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene , A sebaceous gland or hair follicle selective androgen receptor activity suppression method.
- ⁇ 55> Inhibition of sebum secretion, comprising administering to the subject sebaceous gland cells at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene Method.
- ⁇ 56> Acne prevention or treatment comprising administering to the subject sebaceous gland cells at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene How to improve.
- ⁇ 57> administering at least one selected from the group consisting of siRNA for each of the HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene, and HK1 gene to the hair follicle cells of the subject's head A method for preventing or improving alopecia.
- ⁇ 58> hirsutism comprising administering to a target hair follicle cell at least one selected from the group consisting of siRNA for each of HIF1 ⁇ gene, ENO1 gene, LDHA gene, PGK1 gene, GPI gene and HK1 gene Prevention or improvement methods.
- ⁇ 59> The method according to any one of ⁇ 54> to ⁇ 58>, wherein the subject is preferably a human or non-human mammal.
- ⁇ 60> The method according to any one of ⁇ 54> to ⁇ 59>, wherein the administration is preferably transdermal administration or topical administration to the skin.
- the HIF1 ⁇ gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 1, or a nucleotide sequence having at least 90% identity with the sequence
- the ENO1 gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 3, or a nucleotide sequence having at least 90% identity with the sequence
- the LDHA gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 4, or a nucleotide sequence having at least 90% identity with the sequence
- the PGK1 gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 5, or a nucleotide sequence having at least 90% identity with the sequence
- the GPI gene is a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO:
- the siRNA is A double-stranded RNA or RNA / DNA duplex consisting of the RNA of SEQ ID NO: 8, SEQ ID NO: 9 or SEQ ID NO: 10 and its complementary strand, or It is a double-stranded RNA or RNA / DNA duplex comprising 90% or more, preferably 95% or more of the RNA identical to the RNA of SEQ ID NO: 8, SEQ ID NO: 9 or SEQ ID NO: 10 and its complementary strand.
- the human sebaceous gland cell line (SZ95) was cultured in Sebomed TM basal medium (Biochrom) containing 10% FBS, 5 ng / mL Epidermal Growth Factor.
- Human prostate cancer cell line (LNCaP) was cultured in RPMI 1640 (Life technologies) containing 10% FBS. Cultivation under normal oxygen concentration was performed in the atmosphere (oxygen concentration 20.9%). Cultivation under hypoxic conditions was performed using aneropack kenki 5% (Mitsubishi Gas Chemical Co., Ltd.) and a square jar (Sugia Magen Co., Ltd.) with an oxygen concentration of 0.1%, 5% CO 2 and 37 ° C Cultured under conditions. SZ95 is described in Prof. Dr. Prof. h. c. Dr. h. c. Christos C.I. Provided by Zouboulis. LNCaP was purchased from ATCC.
- Enzyme genes involved in glycolysis Enolase 1, lactate dehydrogenase A, glycodehydrate 3-phosphonate dehydrogenase, phosphoglycosinase 1, aldolase A, hexose 1
- ORF Open Reading Frame
- the Open Reading Frame (ORF) region of the genes (ENO1, LDHA, GAPDH, PGK1, ALDOA, HK1, GPI and TPI, respectively) were inserted into pcDNA3.1 (Life technologies) in the same procedure as (1).
- Plasmid DNA was purified from E. coli transformed with the target plasmid DNA using EndoFree Plasmid Purification Kit (Qiagen).
- HIF1 ⁇ activity marker gene pGL4.42 (Promega), which is a plasmid DNA for measuring HIF1 ⁇ activity, expresses firefly luciferase under the control of HRE.
- the Cytomegalovirus enhance / early promoter and hygromycin resistance gene existing downstream of the firefly luciferase gene in pGL4.42 was excised with Sal1 and BamH1, and the Renilla luciferTacitofinFrionInKCl promoter was ligated with the SV40 promoter. ).
- Plasmid DNA was purified from Escherichia coli transformed with the target plasmid DNA using EndoFree Plasmid Purification Kit (Qiagen). The purified plasmid DNA was named pGL4.42 (Rluc).
- RNA extraction, cDNA synthesis, real-time PCR Total RNA was extracted from the cells using RNeasy® Mini kit according to the attached protocol.
- QuantiTect registered trademark reverse transcription kit (QIAGEN) was used.
- real-time PCR the mRNA expression level of each gene was quantified using TaqMan (registered trademark) Universal master Mix (Life technologies) and TaqMan (registered trademark) probes (Life technologies). The quantified expression level was corrected with the expression level of RPLP0.
- HIF1 ⁇ positive / negative were sebaceous gland, hair follicle, ovary and testis AR positive cells, sebaceous gland constituent cells, hair follicle constituent cells, ovarian follicular cells, and testicular seminiferous tubule cells .
- Example 1 Expression of HIF1 ⁇ in Sebaceous Glands Specimens of sebaceous glands and hair follicles (one 35-year-old male), testicular tissue (one 33-year-old male), and ovarian tissue (one 30-year-old female) were prepared. As a result of HIF1 ⁇ immunohistochemical staining of each tissue specimen, it was found that the expression (positive rate) of HIF1 ⁇ was significantly higher in the sebaceous glands and hair follicles than in the testis and ovary (Table 1).
- Example 2 Effect of glycolytic enzyme expression on AR activity
- a cell overexpressing AR is prepared, and the glycolytic system for the AR activity is prepared.
- the effect of enzyme expression was examined.
- SZ95 cells were seeded in 96-well plates and replaced with Sebomed TM basal medium (Biochrom) containing 5% charcoal-treated serum.
- the drug resistance gene Hygro was removed from the pGL4.36 (Promega) containing the AR binding sequence (MMTV) upstream of the firefly luciferase gene with a restriction enzyme, and the Renilla luciferase gene was cloned there.
- the modified pGL4.36, pcDNA3.1-AR prepared in Reference Example 2 (1), and any ORF of various glycolytic enzymes prepared in Reference Example 2 (2) were added to pcDNA3.
- the plasmid DNA integrated in 1 was introduced using ViaFect (Promega) according to the protocol attached to the product.
- plasmid DNA containing no sequence was introduced into the multiple cloning site of pcDNA3.1. After 24 hours from the introduction, the medium was replaced with a medium containing DHT (dihydrotestosterone; final concentration 1 nM) and cultured for 6 hours, and then the AR activity of the cells was measured.
- DHT dihydrotestosterone
- AR activity was significantly increased in the cells overexpressing ENO1, LDHA, PGK1, GPI or HK1. So far, it has not been reported that glycolytic enzymes control AR activity, and for the first time, it was revealed that several glycolytic enzyme groups control AR activity in sebaceous gland cells.
- Example 3 Effect of HIF1 ⁇ on the expression of glycolytic enzymes The possibility of glycolytic enzyme group expression control via HIF1 ⁇ in sebaceous gland cells was examined. SZ95 cells were seeded on 96-well plates and replaced with medium containing 5% charcoal-treated serum. To the cell, Control siRNA (Stealth RNAi TM shiRNA Negative Controls, 12935-400 and 12935-200, Life technologies) or HIF1 ⁇ of siRNA (Stealth Select RNAi TM shiRNA, HSS104774 the HSS104775 and HSS179231, Life technologies) with, Lipofectamine TM RNAiMAX Using Transfection Reagent (Life technologies), it was introduced according to the protocol attached to the product.
- Control siRNA Stepalth RNAi TM shiRNA Negative Controls, 12935-400 and 12935-200, Life technologies
- HIF1 ⁇ of siRNA Stepalth Select RNAi TM shiRNA, HSS104774 the HSS104775 and H
- the cells were cultured for 24 hours under hypoxic conditions (oxygen concentration about 0.1%).
- RNA was collected from the cells, and the expression of ENO1, LDHA, PGK1, GPI and HK1, which are genes whose AR activity was improved in Example 2, was quantified by real-time PCR.
- the results are shown in FIG.
- HIF1 ⁇ By suppressing the expression of HIF1 ⁇ , the expression of ENO1, LDHA, PGK1, GPI and HK1 was significantly reduced.
- Example 4 Effect of HIF1 ⁇ on AR activity in sebaceous gland cells SZ95 cells were seeded in 96-well plates and replaced with medium containing 5% charcoal-treated serum. Control siRNA or HIF1 ⁇ siRNA (Life technologies) was introduced into the cells using Lipofectamine TM RNAiMAX Transfection Reagent (Life technologies) according to the protocol attached to the product. After culturing the cells for 24 hours, pcDNA3.1-AR prepared in Reference Example 2 (1) and modified pGL4.36 obtained by cloning the same Renilla luciferase gene used in Example 2 were used as ViaFect (Promega). And introduced according to the protocol attached to the product.
- the cells were replaced with a medium containing DHT (final concentrations of 0.1, 1, 10 nM) and cultured under hypoxic conditions (oxygen concentration of 0.1%).
- the medium was replaced with a medium containing 100% ethanol and cultured under hypoxic conditions (oxygen concentration 0.1%).
- the relative light unit (RLU) was calculated in the same procedure as in Example 2 and obtained as the AR activity of each cell. The results are shown in FIG. In cells in which HIF1 ⁇ expression was suppressed, AR activity was significantly decreased at all DHT concentrations of 0.1 to 10 nM.
- LNCaP significantly decreased AR activity due to suppression of HIF1 ⁇ expression at a DHT concentration of 0.1 nM as in previous reports, but significant AR activity due to suppression of HIF1 ⁇ expression at a DHT concentration range of 1 to 10 nM. No change was confirmed ( Figure 4 and Table 5). From these results, it was revealed that HIF1 ⁇ expressed in sebaceous gland cells controls AR activity in a wide range of DHT concentrations compared to prostate cancer cells. On the other hand, it was suggested that HIF1 ⁇ does not control the AR activity of prostate cancer under the normal DHT concentration range.
- Embodiment 5 Effect of retinoic acid on HIF1 ⁇ activity in sebaceous gland cells
- Retinoic acid (Br J Dermatol, 107: 583-590, 1982), known as an acne ameliorating agent, was added to sebaceous gland cells, and the effect on HIF1 ⁇ activity was examined.
- Plasmid DNA pGL4.42 (Rluc) for measuring HIF1 ⁇ activity prepared in Reference Example 2 (3) was introduced into SZ95 cells. After 24 hours, retinoic acid was added to the medium, and the culture was performed under hypoxic conditions. As a control, a medium supplemented with 100% ethanol solvent was used.
- the relative light unit (RLU) was calculated by the same procedure as in Example 2 and obtained as the activity of HIF1 ⁇ of the cells. The results are shown in FIG. Compared with control cells, HIF1 ⁇ activity was suppressed in a concentration-dependent manner in cells to which retinoic acid was added.
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Abstract
Description
(非特許文献1)Maturitas, 2008, 59:174-181
(非特許文献2)Dermatol Ther, 2008, 21:314-328
(非特許文献3)J Clin Endocrinol Metab, 2000, 85:2913-2921
(非特許文献4)Cochrane database of systematic reviews, 2001, CD000194
(非特許文献5)Br J Dermatol, 2005, 152:466-473
(非特許文献6)J Exp Med, 2005, 201:105-115
(非特許文献7)J invest Dermatol, 2011, 131:1793-1805
(非特許文献8)Mol Cell, 2010, 40:294-309
(非特許文献9)J Invest Dermatol, 2006, 126:2596-2606
(非特許文献10)J Invest Dermatol, 2007, 127:2445-2452
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B)該細胞におけるHIF1αの活性を測定すること;
(C)該(B)で測定した活性を、対照群におけるHIF1αの活性と比較すること;及び、
(D)該(C)の結果に基づいて、被験物質のHIF1α活性を制御する効果を評価すること
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B’)該細胞におけるHIF1αに誘導される因子の活性を測定すること;
(C’)該(B’)で測定した活性を、対照群における該因子の活性と比較すること;及び、
(D’)該(C’)の結果に基づいて、被験物質の該因子の活性を制御する効果を評価すること
ENO1は、OMIM 172430、GenBank Accession No.NG_029470.1として登録されている遺伝子である。好ましくは、本明細書における「ENO1」とは、配列番号3で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなり、かつ2-ホスホグリセリン酸をホスホエノールピルビン酸に変換する酵素をコードするポリヌクレオチドをいう。
LDHAは、OMIM 150000、GenBank Accession No.NG_008185.1として登録されている遺伝子である。好ましくは、本明細書における「LDHA」とは、配列番号4で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなり、かつL-lactateとNADをpyruvateとNADHに変換する酵素をコードするポリヌクレオチドをいう。
PGK1は、OMIM 311800、GenBank Accession No.NG_008862.1として登録されている遺伝子である。好ましくは、本明細書における「PGK1」とは、配列番号5で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなり、かつ1,3-diphosphoglycerateを3-phosphoglycerateに変換する酵素をコードするポリヌクレオチドをいう。
GPIは、OMIM 172400、GenBank Accession No.NG_012838.2として登録されている遺伝子である。好ましくは、本明細書における「GPI」とは、配列番号6で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなり、かつglucose-6-phosphateをfructose-6-phosphateに変換する酵素をコードするポリヌクレオチドをいう。
HK1は、OMIM 142600、GenBank Accession No.NG_012077.1として登録されている遺伝子である。好ましくは、本明細書における「HK1」とは、配列番号7で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなり、かつglucoseをglucose-6-phosphateに変換する酵素をコードするポリヌクレオチドをいう。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B)該細胞におけるHIF1αの活性を測定すること;
(C)該(B)で測定した活性を、対照群におけるHIF1αの活性と比較すること;及び、
(D)該(C)の結果に基づいて、被験物質のHIF1αの活性を制御する効果を評価すること、
を含む皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法である。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B’)該細胞におけるHIF1αに誘導される因子の活性を測定すること;
(C’)該(B’)で測定した活性を、対照群における該因子の活性と比較すること;及び、
(D’)該(C’)の結果に基づいて、被験物質の該因子の活性を制御する効果を評価すること、
を含む皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法である。好ましい実施形態において、該HIF1αに誘導される因子は、enolase 1、lactate dehydrogenase A、phosphoglycerate kinase 1、glucose-6-phosphate isomerase、及びhexokinase 1からなる群から選択される解糖系酵素の少なくとも1種である。
5’-CCAGCCGCUGGAGACACAAUCAUAU-3’(配列番号8)
5’-GGGAUUAACUCAGUUUGAACUAACU-3’(配列番号9)
5’-GAAAUUCCUUUAGAUAGCAAGACUU-3’(配列番号10)
配列番号8のRNAは、配列番号1の1204~1228番塩基に対応している。配列番号9のRNAは、配列番号1の360~384番塩基に対応している。配列番号9のRNAは、配列番号1の700~724番塩基に対応している。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B)該細胞におけるHIF1αの活性を測定すること;
(C)該(B)で測定した活性を、対照群におけるHIF1αの活性と比較すること;及び、
(D)該(C)の結果に基づいて、被験物質のHIF1αの活性を制御する効果を評価すること
(E)上記(D)にてHIF1αの活性を減少させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性抑制剤、皮脂分泌抑制剤、ニキビ予防又は改善剤、脱毛症予防又は改善剤、あるいは多毛症予防又は改善剤として選択すること、
を含む、<1>記載の方法。
(E)上記(D)にてHIF1αの活性を増加させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性促進剤、皮脂分泌促進剤、あるいは老人性乾皮症予防又は改善剤として選択すること、
を含む、<1>記載の方法。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B)該細胞におけるHIF1αの活性を測定すること;
(C)該(B)で測定した活性を、対照群におけるHIF1αの活性と比較すること;及び、
(D)該(C)の結果に基づいて、被験物質のHIF1αの活性を制御する効果を評価すること
(E)上記(D)にてHIF1αの活性を減少させる効果を有すると評価された被験物質を、皮脂分泌抑制剤、ニキビ予防又は改善剤、脱毛症予防又は改善剤、あるいは多毛症予防又は改善剤として選択すること、
を含む、<4>記載の方法。
(E)上記(D)にてHIF1αの活性を増加させる効果を有すると評価された被験物質を、皮脂分泌促進剤、あるいは老人性乾皮症予防又は改善剤として選択すること、
を含む、<4>記載の方法。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B’)該細胞におけるHIF1αに誘導される因子の活性を測定すること;
(C’)該(B’)で測定した活性を、対照群における該因子の活性と比較すること;及び、
(D’)該(C’)の結果に基づいて、被験物質の該因子の活性を制御する効果を評価すること
(E’)上記(D’)にてHIF1αに誘導される因子の活性を減少させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性抑制剤、皮脂分泌抑制剤、ニキビ予防又は改善剤、脱毛症予防又は改善剤、あるいは多毛症予防又は改善剤として選択すること、
を含む、<18>記載の方法。
(E’)上記(D’)にてHIF1αに誘導される因子の活性を増加させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性促進剤、皮脂分泌促進剤、あるいは老人性乾皮症予防又は改善剤として選択すること、
を含む、<18>記載の方法。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B’)該細胞におけるHIF1αに誘導される因子の活性を測定すること;
(C’)該(B’)で測定した活性を、対照群における該因子の活性と比較すること;及び、
(D’)該(C’)の結果に基づいて、被験物質の該因子の活性を制御する効果を評価すること
(E’)上記(D’)にてHIF1αに誘導される因子の活性を減少させる効果を有すると評価された被験物質を、皮脂分泌抑制剤、ニキビ予防又は改善剤、脱毛症予防又は改善剤、あるいは多毛症予防又は改善剤として選択すること、
を含む、<21>記載の方法。
(E’)上記(D’)にてHIF1αに誘導される因子の活性を増加させる効果を有すると評価された被験物質を、皮脂分泌促進剤、あるいは老人性乾皮症予防又は改善剤として選択すること、
を含む、<21>記載の方法。
好ましくは、ENO1、LDHA、PGK1、GPI、及びHK1からなる群より選択される少なくとも1種の遺伝子の発現レベル、又は該遺伝子にコードされる酵素からなる群より選択される少なくとも1種の酵素の発現レベル、又は該遺伝子にコードされる酵素からなる群より選択される少なくとも1種の酵素の酵素活性レベルの測定である、<18>~<26>のいずれか1項記載の方法。
上記ENO1遺伝子が、配列番号3で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記LDHA遺伝子が、配列番号4で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記PGK1遺伝子が、配列番号5で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記GPI遺伝子が、配列番号6で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記HK1遺伝子が、配列番号7で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドである、
<27>記載の方法。
上記HIF1α遺伝子が、配列番号1で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記ENO1遺伝子が、配列番号3で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記LDHA遺伝子が、配列番号4で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記PGK1遺伝子が、配列番号5で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記GPI遺伝子が、配列番号6で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドであり、
上記HK1遺伝子が、配列番号7で示されるヌクレオチド配列、又は当該配列と少なくとも90%の同一性を有するヌクレオチド配列からなるポリヌクレオチドである。
配列番号8、配列番号9又は配列番号10のRNA及びその相補鎖からなる、二本鎖RNA又はRNA/DNA二重鎖であるか、あるいは、
配列番号8、配列番号9又は配列番号10のRNAのいずれかと90%以上、好ましくは95%以上配列同一なRNA及びその相補鎖からなる、二本鎖RNA又はRNA/DNA二重鎖である。
参考例1.細胞
ヒト皮脂腺細胞株(SZ95)は、10%FBS、5ng/mL Epidermal Growth Factorを含むSebomedTM basal medium(Biochrom)中で培養した。ヒト前立腺癌細胞株(LNCaP)は、10%FBSを含むRPMI1640(Life technologies)中で培養した。通常酸素濃度下での培養は、大気中(酸素濃度20.9%)で行った。低酸素条件下での培養は、アネロパック・ケンキ5%(三菱ガス化学株式会社)、及び角型ジャー(株式会社スギヤマゲン)を用いて、酸素濃度0.1%、5%CO2、37℃の条件下で培養した。SZ95は、Prof.Dr.Prof.h.c.Dr.h.c.Christos C.Zouboulisより供与された。LNCaPはATCCより購入した。
(1)アンドロゲン受容体遺伝子
ヒトアンドロゲン受容体(androgen reseptor;AR)をコードする遺伝子のOpen Reading Flame(ORF)領域を、PrimeSTAR(登録商標)GXL DNA Polymerase(Takara bio)を用いてPCRで増幅し、次いでIn-Fusion HD Cloning Kit(Takara Bio)を用いてEcoRIで処理したpcDNA3.1(Life technologies)に挿入した。目的のプラスミドDNAで形質転換された大腸菌から、EndoFree Plasmid Purification Kit(Qiagen)を用いてプラスミドDNAを精製した。精製したプラスミドDNAをpcDNA3.1-ARと名付けた。
解糖系に関わる酵素enolase 1、lactate dehydrogenase A、glyceraldehyde-3-phosphate dehydrogenase、phosphoglycerate kinase 1、aldolase A、Hexokinase 1、glucose-6-phosphate isomerase、及びTriosephosphate isomeraseをコードする遺伝子(それぞれ、ENO1、LDHA、GAPDH、PGK1、ALDOA、HK1、GPI及びTPI)のOpen Reading Flame(ORF)領域を、(1)と同様の手順でpcDNA3.1(Life technologies)に挿入した。目的のプラスミドDNAで形質転換された大腸菌から、EndoFree Plasmid Purification Kit(Qiagen)を用いてプラスミドDNAを精製した。
HIF1α活性測定用のプラスミドDNAであるpGL4.42(Promega)は、HREの制御下でホタルルシフェラーゼを発現する。pGL4.42中でホタルルシフェラーゼ遺伝子の下流に存在するCytomegalovirus enhance/early promoterとhygromycin耐性遺伝子をSal1とBamH1で切り出し、そこに、SV40 promoterと連結したRenilla luciferase遺伝子をIn-Fusion HD Cloning Kit(Takara Bio)を用いて挿入した。目的のプラスミドDNAが形質転換された大腸菌から、EndoFree Plasmid Purification Kit(Qiagen)を用いてプラスミドDNAを精製した。精製したプラスミドDNAをpGL4.42(Rluc)と名付けた。
細胞から、RNeasy(登録商標)Mini kitを用いて、添付のプロトコールに従ってtotal RNAを抽出した。抽出したtotal RNAからのcDNA合成には、QuantiTect(登録商標)reverse transcription kit(QIAGEN)を用いた。リアルタイムPCRでは、TaqMan(登録商標)Universal master Mix(Life technologies)、およびTaqMan(登録商標)プローブ(Life technologies)を用いて、各遺伝子のmRNA発現量を定量した。定量した発現量はRPLP0の発現量で補正した。
免疫組織化学染色に用いる組織標本は、凍結切片を作製した後、-20℃で冷やしたアセトン中で10分間固定した。その後、ヒストファインキット(ニチレイ)を用いて、添付のプロトコールに従い染色を実施した。抗HIF1α抗体(Novus Biologicals)は、1/300に希釈して使用した。発色にはDAB溶液(1mM DAB、50mM Tris-HCL buffer(pH7.6)、0.006%過酸化水素)を用い、カウンター染色にはヘマトキシリン溶液を用いた。組織標本におけるHIF1αの発現強度を半定量的に解析するために、顕微鏡下でHIF1α陽性(茶色で染色された細胞)及び陰性(紫色で染色された細胞)の細胞数をカウントした。HIF1α陽性/陰性の評価対象とした細胞は、皮脂腺、毛包、卵巣及び精巣におけるAR陽性細胞である、皮脂腺構成細胞、毛包構成細胞、卵巣の卵胞細胞、及び精巣の精細管構成細胞とした。
皮脂腺及び毛包(35歳男性1名)、精巣組織(33歳男性1名)、ならびに卵巣組織(30歳女性1名)の標本を調製した。各組織標本のHIF1α免疫組織化学染色の結果、皮脂腺及び毛包では、精巣及び卵巣と比較して、HIF1αの発現(陽性率)が顕著に高いことが判明した(表1)。
J Steroid Biochem & Mol Biol,123:58-64,2011)に記載の手順に従って、ARを過剰発現する細胞を作製し、そのAR活性に対する解糖系酵素発現の影響を調べた。
SZ95細胞を96-wellプレートに播種し、5%チャコール処理血清を含むSebomedTM basal medium(Biochrom)に置換した。ホタルルシフェラーゼ遺伝子の上流にARの結合配列(MMTV)を含むpGL4.36(Promega)から、薬剤耐性遺伝子Hygroを制限酵素で除去し、そこにRenillaルシフェラーゼ遺伝子をクローニングした。上記SZ95細胞に、該改変pGL4.36と、参考例2(1)で作製したpcDNA3.1-ARと、参考例2(2)で作製した各種解糖系酵素のいずれかのORFがpcDNA3.1に組み込まれたプラスミドDNAとを、ViaFect(Promega)を用いて製品添付のプロトコールに従い導入した。コントロールとしては、pcDNA3.1のマルチプルクローニングサイトに何の配列も含まないプラスミドDNAを導入した。導入から24時間後に、DHT(ジヒドロテストステロン;終濃度1nM)を含む培地に置換して6時間培養した後、細胞のAR活性を測定した。AR活性の測定では、細胞のホタルルシフェラーゼ(ARのMMTVを介した転写活性化の指標)及びRenillaルシフェラーゼ(プラスミド導入効率の指標)の発光強度を、Dual-Glo Luciferase Assay System(Promega社)を用いて添付のプロトコールに従って測定した。ホタルルシフェラーゼの発光強度をRenillaルシフェラーゼの発光強度で除した値を、Relative Light Unit(RLU)として算出した。コントロールのRLU値に対する相対RLU値を、各細胞のAR活性として取得した。
結果を図1及び表2に示す。コントロールプラスミドを導入した細胞と比較して、ENO1、LDHA、PGK1、GPI又はHK1を過剰発現させた細胞では有意にAR活性が上昇した。これまでに解糖系の酵素がAR活性を制御することは報告されておらず、今回初めて皮脂腺細胞においていくつかの解糖系酵素群がAR活性を制御することが明らかにされた。
皮脂腺細胞におけるHIF1αを介した解糖系酵素群発現制御の可能性を検討した。
SZ95細胞を96-wellプレートに播種し、5%チャコール処理血清を含む培地に置換した。該細胞に、Control siRNA(Stealth RNAiTM shiRNA Negative Controls、12935-400と12935-200、Life technologies)又はHIF1αのsiRNA(Stealth Select RNAiTM shiRNA、HSS104774とHSS104775とHSS179231、Life technologies)を、LipofectamineTM RNAiMAX Transfection Reagent(Life technologies)を用いて、製品添付のプロトコールに従い導入した。該細胞を、低酸素条件下(酸素濃度約0.1%)で24時間培養した。参考例3の手順に従って、細胞からRNAを回収し、実施例2でAR活性を向上させた遺伝子であるENO1、LDHA、PGK1、GPI及びHK1の発現をリアルタイムPCRで定量した。
結果を図2及び表3に示す。HIF1αの発現を抑制することで、ENO1、LDHA、PGK1、GPI及びHK1の発現は有意に減少した。
SZ95細胞を96-wellプレートに播種し、5%チャコール処理血清を含む培地に置換した。該細胞に、Control siRNA又はHIF1αのsiRNA(Life technologies)を、LipofectamineTM RNAiMAX Transfection Reagent(Life technologies)を用いて、製品添付のプロトコールに従い導入した。細胞を24時間培養した後に、参考例2(1)で作製したpcDNA3.1-AR、及び実施例2で用いたものと同じRenillaルシフェラーゼ遺伝子をクローニングした改変pGL4.36を、ViaFect(Promega)を用いて製品添付のプロトコールに従い導入した。24時間後、細胞をDHT(終濃度0.1、1、10nM)を含む培地に置換し、低酸素条件下(酸素濃度0.1%)において培養した。コントロールとしては、100%エタノールを含む培地に置換し、低酸素条件下(酸素濃度0.1%)において培養した。24時間後、実施例2と同様の手順でRelative Light Unit(RLU)を算出し、各細胞のAR活性として取得した。
結果を図3及び表4に示す。HIF1αの発現を抑制した細胞では、0.1~10nMのDHT濃度全てにおいて、AR活性が有意に低下した。
前立腺癌細胞LNCaPでは、0.1nM以下の低DHT濃度域でHIF1αがARの活性を制御することが報告されている(J Steroid Biochem & Mol Biol,123:58-64,2011)。しかしながら、通常の生体内におけるDHT及びテストステロンは、より高濃度で存在すると考えられる(J Clin Endocrinol Metab,1994,79:703-706;J Clin Endocrinol Metab,1998,83:2266-2274)。本発明者らは、高DHT濃度下のLNCaPにおけるHIF1αのAR活性に対する寄与を解析するため、実施例4と同様の実験を行った。その結果、LNCaPでは過去の報告同様に、0.1nMのDHT濃度ではHIF1αの発現抑制によりAR活性が有意に低下したが、1~10nMのDHT濃度域ではHIF1αの発現抑制による有意なAR活性の変化は確認されなかった(図4及び表5)。これらの結果より、皮脂腺細胞に発現するHIF1αは、前立腺癌細胞と比較して広範囲なDHT濃度域でAR活性を制御することが明らかとなった。一方、通常のDHT濃度域下では、HIF1αは前立腺癌のAR活性を制御しないことが示唆された。
皮脂腺細胞にニキビの改善薬として知られているレチノイン酸(Br J Dermatol,107:583―590,1982)を添加し、HIF1α活性に対する影響を調べた。
SZ95細胞に、参考例2(3)で作製したHIF1α活性測定用のプラスミドDNApGL4.42(Rluc)を導入した。24時間後、培地にレチノイン酸を添加し、低酸素条件下での培養を実施した。コントロールとしては、100%エタノール溶媒を添加した培地を使用した。15時間後、実施例2と同様の手順でRelative Light Unit(RLU)を算出し、細胞のHIF1αの活性として取得した。
結果を図5及び表6に示す。コントロールの細胞と比較して、レチノイン酸を添加した細胞においては濃度依存的にHIF1αの活性が抑制された。
Claims (38)
- 以下を含む皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B)該細胞におけるHIF1αの活性を測定すること;
(C)該(B)で測定した活性を、対照群におけるHIF1αの活性と比較すること;及び、
(D)該(C)の結果に基づいて、被験物質のHIF1αの活性を制御する効果を評価すること - (E)前記(D)にてHIF1αの活性を減少させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性抑制剤、皮脂分泌抑制剤、ニキビ予防又は改善剤、脱毛症予防又は改善剤、あるいは多毛症予防又は改善剤として選択すること、
をさらに含む、請求項1記載の方法。 - (E)前記(D)にてHIF1αの活性を増加させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性促進剤、皮脂分泌促進剤、あるいは老人性乾皮症予防又は改善剤として選択すること、
をさらに含む、請求項1記載の方法。 - 前記HIF1αの活性の測定が、Hypoxia Response ElementへのHIF1αの結合レベルの測定、HIF1α遺伝子の発現レベルの測定、又はHIF1αのタンパク質発現レベルの測定である、請求項1~3のいずれか1項記載の方法。
- 前記HIF1αが、配列番号2で示されるアミノ酸配列、又は当該配列と少なくとも90%の同一性を有するアミノ酸配列からなるタンパク質である、請求項1~4のいずれか1項記載の方法。
- 前記皮脂腺由来細胞又は毛包由来細胞がヒト由来の細胞である、請求項1~5のいずれか1項記載の方法。
- 前記低酸素条件が、細胞培養雰囲気中の酸素濃度が5%以下の条件である、請求項1~6のいずれか1項記載の方法。
- 以下を含む皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法。
(A)皮脂腺由来細胞又は毛包由来細胞に、低酸素条件下で被験物質を適用すること;
(B’)該細胞におけるHIF1αに誘導される因子の活性を測定すること;
(C’)該(B’)で測定した活性を、対照群における該因子の活性と比較すること;及び、
(D’)該(C’)の結果に基づいて、被験物質の該因子の活性を制御する効果を評価すること - (E’)前記(D’)にてHIF1αに誘導される因子の活性を減少させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性抑制剤、皮脂分泌抑制剤、ニキビ予防又は改善剤、脱毛症予防又は改善剤、あるいは多毛症予防又は改善剤として選択すること、
をさらに含む、請求項8記載の方法。 - (E’)前記(D’)にてHIF1αに誘導される因子の活性を増加させる効果を有すると評価された被験物質を、皮脂腺又は毛包選択的アンドロゲン受容体活性促進剤、皮脂分泌促進剤、あるいは老人性乾皮症予防又は改善剤として選択すること、
をさらに含む、請求項8記載の方法。 - 前記HIF1αに誘導される因子の活性の測定が、ENO1、LDHA、PGK1、GPI及びHK1からなる群より選択される少なくとも1種の遺伝子の発現レベル、又はこれらの遺伝子にコードされる酵素からなる群より選択される少なくとも1種の酵素の発現若しくは酵素活性のレベルの測定である、請求項8~10のいずれか1項記載の方法。
- 前記皮脂腺由来細胞又は毛包由来細胞がヒト由来の細胞である、請求項8~11のいずれか1項記載の方法。
- 前記低酸素条件が、培養雰囲気中の酸素濃度が5%以下の条件である、請求項8~12のいずれか1項記載の方法。
- HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を有効成分とする、皮脂腺又は毛包選択的アンドロゲン受容体活性抑制剤。
- HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を有効成分とする、皮脂分泌抑制剤。
- HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を有効成分とする、ニキビ予防又は改善剤。
- HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を有効成分とする、脱毛症予防又は改善剤。
- HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を有効成分とする、多毛症予防又は改善剤。
- 皮脂腺又は毛包選択的アンドロゲン受容体活性抑制剤の製造のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の使用。
- 皮脂分泌抑制剤の製造のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の使用。
- ニキビ予防又は改善剤の製造のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の使用。
- 脱毛症予防又は改善剤の製造のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の使用。
- 多毛症予防又は改善剤の製造のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の使用。
- 皮脂腺又は毛包選択的アンドロゲン受容体活性抑制のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の非治療的使用。
- 皮脂分泌抑制のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の非治療的使用。
- ニキビ予防又は改善のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の非治療的使用。
- 脱毛症予防又は改善のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の非治療的使用。
- 多毛症予防又は改善のための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種の非治療的使用。
- 皮脂腺又は毛包選択的アンドロゲン受容体活性抑制に使用するための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種。
- 皮脂分泌抑制に使用するための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種。
- ニキビ予防又は改善に使用するための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種。
- 脱毛症予防又は改善に使用するための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種。
- 多毛症予防又は改善に使用するための、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種。
- 対象の皮脂腺細胞又は毛包細胞に、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を投与することを含む、皮脂腺又は毛包選択的アンドロゲン受容体活性抑制方法。
- 対象の皮脂腺細胞に、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を投与することを含む、皮脂分泌抑制方法。
- 対象の皮脂腺細胞に、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を投与することを含む、ニキビ予防又は改善方法。
- 対象の頭部の毛包細胞に、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を投与することを含む、脱毛症予防又は改善方法。
- 対象の毛包細胞に、HIF1α遺伝子、ENO1遺伝子、LDHA遺伝子、PGK1遺伝子、GPI遺伝子及びHK1遺伝子の各々に対するsiRNAからなる群より選択される少なくとも1種を投与することを含む、多毛症予防又は改善方法。
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PCT/JP2016/059553 WO2017163391A1 (ja) | 2016-03-25 | 2016-03-25 | 皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法 |
US15/531,636 US20180325938A1 (en) | 2016-03-25 | 2016-03-25 | Method of evaluating or selecting androgen receptor activity regulator selective to sebaceous glands or hair follicles |
EP16890126.2A EP3444356B1 (en) | 2016-03-25 | 2016-03-25 | Method for assessing or selecting sebaceous-gland- or hair-follicle-selective androgen receptor activity controlling agent |
CN201680004330.5A CN107429284B (zh) | 2016-03-25 | 2016-03-25 | 皮脂腺或毛囊选择性雄激素受体活性控制剂的评价或选择方法 |
JP2016545390A JP6006906B1 (ja) | 2016-03-25 | 2016-03-25 | 皮脂腺又は毛包選択的アンドロゲン受容体活性制御剤の評価又は選択方法 |
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CN107429284B (zh) | 2021-06-25 |
EP3444356A1 (en) | 2019-02-20 |
EP3444356B1 (en) | 2021-02-17 |
EP3444356A4 (en) | 2019-11-06 |
CN107429284A (zh) | 2017-12-01 |
US20180325938A1 (en) | 2018-11-15 |
JP6006906B1 (ja) | 2016-10-12 |
JPWO2017163391A1 (ja) | 2018-03-29 |
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