CN107913274A - The medicinal usage of De Kalin alkali - Google Patents
The medicinal usage of De Kalin alkali Download PDFInfo
- Publication number
- CN107913274A CN107913274A CN201711133618.5A CN201711133618A CN107913274A CN 107913274 A CN107913274 A CN 107913274A CN 201711133618 A CN201711133618 A CN 201711133618A CN 107913274 A CN107913274 A CN 107913274A
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- China
- Prior art keywords
- dpp
- kalin
- alkali
- compound
- kalin alkali
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/4738—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems
- A61K31/4741—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems condensed with ring systems having oxygen as a ring hetero atom, e.g. tubocuraran derivatives, noscapine, bicuculline
Abstract
The title of the present invention is the medicinal usage of De Kalin alkali.Affiliated technical field is medical science.The technical problems to be solved by the invention are to be related to De Kalin alkali or its pharmaceutically acceptable solvate and its purposes as therapeutic agent especially as inhibitors of dipeptidyl IV.The main points of the technical solution of the technical problems to be solved by the invention are test of the compound to DPP IV enzyme inhibition activities.
Description
Technical field
The present invention relates to pharmaceutical technology field, and specifically, the present invention relates to compound De Kalin alkali to be used as dipeptidyl peptidase
The medicinal usage of enzyme IV (DPP-IV) inhibitor.
Background technology
DPP IV (IUBMB enzyme nomenclature EC.3.4.14.5) is a kind of II types memebrane protein, in the literature with a variety of
Title refers to, including DPP4, DP4, DAP-IV, FAP β, adenosine deaminase complex protein 2, adenosine deaminase binding protein
(ADAbp), bis- peptidyls of Dipeptidylaminopeptidase IV, Xaa-Pro--aminopeptidase, Gly-Pro naphthyls amidase, rear proline
(postproline) Dipeptidylaminopeptidase IV, lymphocyte antigen CD26, glycoprotein GP110, DPP IV, sweet ammonia
Acyl Prolyl iminopeptidase, glycyl Prolyl iminopeptidase, X- prolyl pipeptidyl bases aminopeptidase, pepX, leukocyte antigen
CD26, glycylprolyl Dipeptidylaminopeptidase, two peptidyl-peptide hydrolases, glycylprolyl aminopeptidase, two peptidyls-
Aminopeptidase IV, DPPIV/CD26, aminoacyl-prolyl pipeptidyl base aminopeptidase, T cell triggering molecule Tp103, X-
PDAP.DPP IV is referred to herein as " DPP-IV ".
DPP-IV is a kind of non-classical serine aminopeptidase, it is removed from the amino terminal (N- ends) of peptide and protein
Remove Xaa-Pro dipeptides.Some naturally occurring peptides are also it has been reported that the DPP-IV dependences of X-Gly or X-Ser type dipeptides are slow
Release.
The present invention relates to the change that can suppress dipeptidyl peptidase-IV (Dipeptidyl peptidase IV, DPP-IV) activity
Compound and/or pharmaceutically acceptable solvate, this kind of compound can be used for treating diabetes, such as diabetes B, high blood
Sugar, metabolic syndrome, hyperinsulinemia, obesity, angiocardiopathy and abnormal such as atherosclerosis, cranial vascular disease, in
Pivot nervous system disease or exception include schizophrenia, anxiety disorder, Bipolar depression, depression, insomnia, cognitive disorder,
Gastrointestinal disease and exception, cancer, inflammation and inflammatory disease, respiratory disease and exception, skeletal muscle are abnormal, osteoporosis, more
Term symptom or exception, periodontal disease such as gingivitis, and various immunoregulatory disorders.
DPP-IV belongs to serine peptide enzyme family, belong to together the family also have DPP2, DPP8, DPP9, FAP and
POP etc..Animal model experiment can cause such as anaemia, alopecia, decrease of platelet and splenomegaly the results show that suppressing DPP8/9
Deng toxic reaction [Lankas GR, Leiting B, et al.Dipeptidyl peptidase IV inhibition for
the treatment of type2diabetes:potential importance of selectivity over
dipeptidyl peptidases8and9.Diabetes,2005,54:2988-2994].Therefore, for the single targets of DPP-IV
The design and exploitation for the selective depressant selected are of great significance [Bhumika DP, ManJunath DG.Recent
approaches to medicinal chemistry and therapeutic potential of dipeptidyl
peptidase-4(DPP-4)inhibitors.European Journal of MedicinalChemistry,2014,74:
574-605], this is also the difficult point and key point of new selective DPP-IV inhibitor research and development.
Therefore, this area still needs the strong selective DPP-IV inhibitors of structure novelty, activity to meet clinical treatment
Demand.
The content of the invention
DPP IV (Dipeptidyl peptidase IV, DPP-IV, CD26, EC 3.4.14.5) is a kind of energy
The serine protease of specific for hydrolysis polypeptide or protein N-terminal Xaa-Pro or Xaa-Ala dipeptides.DPP-IV is atypia
Serine protease, the Ser-Asp-His catalytic triads in its C-terminal region are different from typical serine protease, are backward
Arrangement.DPP-IV is II type integral membrane proteins, is distributed widely in mammal and respectively organizes.DPP-IV is small in intestines, liver, kidney near-end
Pipe, prostate, the differentiation surface epithelial cell of corpus luteum and leukocyte sub-type such as lymphocyte and Expression of Macrophages.Deposited in serum
In the soluble protein form of DPP-IV, its 26S Proteasome Structure and Function is identical with embrane-associated protein form but lacks hydrophobic transmembrane structure
Domain.
Diabetes B and fat attractive therapy can be become by suppressing DPP-IV.Although DPP-IV inhibitor energy
The sugar tolerance of diabetes B patient is effectively improved, but the half-life period of many inhibitor is shorter, or toxicity is larger.Therefore, it is necessary to open
Hair has more the DPP-IV of advantage in pharmaceutical activity, stability, selectivity, toxicity, pharmacokinetics or medicine at least one aspect of characteristic
Inhibitor is treated for diabetes B.Therefore, the present invention provides a kind of novel DPP-IV inhibitors.
Embodiment
Following test example is for illustrating the present invention.
Compound De Kalin alkali (CAS used in the present invention:54354-62-0) obtained by mm Suppliers.
Biological assessment
Test example 1
The compounds of this invention tests DPP-IV enzyme inhibition activities:
Instrument:
Microplate reader, Envision (PerkinElmer, USA)
Material:
People source DPP-IV, is obtained to be expressed using baculovirus expression system in insect cell.
Substrate, Ala-Pro-AMC.
Process:
DPP-IV can the ultraviolet excitation production of specific for hydrolysis substrate A la-Pro-AMC generations product AMC, AMC through 355nm
The transmitting light of raw 460nm, fluorescent value linear change at 460nm wavelength, is calculated DPP4 activity in dynamic cooling water of units of measurement time.
Experiment is using MERK-0431 as control compound.
Sample is dissolved with DMSO, Cord blood, and concentration controls of the DMSO in final system is not influencing detection activity
Within the scope of.
Compound MERK-0431 is that IC50 [nM] is 17.57 to the inhibitory action of DPP-IV.
Compound De Kalin alkali is 85.7% to the inhibitory action of DPP-IV when concentration is 20 μ g/mL.
Conclusion:Compound De Kalin alkali in the present invention has good inhibitory action to DPP-IV enzymes.
The present invention can be summarized with others without prejudice to the concrete form of the spirit or essential characteristics of the present invention.Therefore, nothing
By from the point of view of which point, the embodiment above of the invention can only all be considered the description of the invention and cannot limit this hair
It is bright.
Claims (2)
1. application of the compound De Kalin alkali in DPP IV (DPP-IV) inhibitor medicaments are prepared.
2. compound De Kalin alkali is not more than 85.7% when concentration is 20 μ g/mL to the inhibitory action of DPP-IV.
Priority Applications (1)
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CN201711133618.5A CN107913274A (en) | 2017-11-16 | 2017-11-16 | The medicinal usage of De Kalin alkali |
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CN201711133618.5A CN107913274A (en) | 2017-11-16 | 2017-11-16 | The medicinal usage of De Kalin alkali |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111617082A (en) * | 2020-06-11 | 2020-09-04 | 中国科学院西双版纳热带植物园 | Composition of dacrine and salicylic acid and application thereof in preparing anti-inflammatory drugs |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106359550A (en) * | 2016-08-29 | 2017-02-01 | 盛林蓝莓集团股份有限公司 | Fresh keeping method of blueberries |
CN107260738A (en) * | 2017-07-11 | 2017-10-20 | 上海华堇生物技术有限责任公司 | The medicinal usage of corydalmine alkali |
-
2017
- 2017-11-16 CN CN201711133618.5A patent/CN107913274A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106359550A (en) * | 2016-08-29 | 2017-02-01 | 盛林蓝莓集团股份有限公司 | Fresh keeping method of blueberries |
CN107260738A (en) * | 2017-07-11 | 2017-10-20 | 上海华堇生物技术有限责任公司 | The medicinal usage of corydalmine alkali |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111617082A (en) * | 2020-06-11 | 2020-09-04 | 中国科学院西双版纳热带植物园 | Composition of dacrine and salicylic acid and application thereof in preparing anti-inflammatory drugs |
CN111617082B (en) * | 2020-06-11 | 2022-11-25 | 中国科学院西双版纳热带植物园 | Composition of dacrine and salicylic acid and application thereof in preparing anti-inflammatory drugs |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180417 |
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