WO2017086596A1 - 신규 항균 펩타이드 및 그의 용도 - Google Patents
신규 항균 펩타이드 및 그의 용도 Download PDFInfo
- Publication number
- WO2017086596A1 WO2017086596A1 PCT/KR2016/011135 KR2016011135W WO2017086596A1 WO 2017086596 A1 WO2017086596 A1 WO 2017086596A1 KR 2016011135 W KR2016011135 W KR 2016011135W WO 2017086596 A1 WO2017086596 A1 WO 2017086596A1
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- WIPO (PCT)
- Prior art keywords
- peptide
- present
- atopic dermatitis
- antimicrobial
- active ingredient
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K7/00—Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
- C07K7/04—Linear peptides containing only normal peptide links
- C07K7/06—Linear peptides containing only normal peptide links having 5 to 11 amino acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/08—Peptides having 5 to 11 amino acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Definitions
- the present invention relates to a novel antimicrobial peptide and its use, and more particularly to a novel peptide and its use having an antimicrobial effect and immune cell activity regulation function.
- Antimicrobial peptides are found in nature and can be seen from synthetic peptides. These antimicrobial peptides are composed of relatively short amino acid sequences (more than 10 to 100) compared to general proteins, and mainly bind to cell membranes to 1) form ion channels on cell membranes to inhibit microbial energy generation, or 2) large cell membranes. It creates a hole, which results in cell death. This physical destruction of the microorganisms, unlike the existing antibiotics that inhibit the microbial cell wall or intracellular polymer synthesis, it is very difficult for the microorganisms to become resistant to the antimicrobial peptides, and it has been reported that the resistance does not occur until now.
- Antimicrobial peptides typically include positively charged moieties and hydrophobic moieties such as lysine, arginine, and histidine.
- FPR2 is known to play an important role in inflammatory diseases. Activation of FPR2 induces separation of G ⁇ subunits from G ⁇ i subunits, and ⁇ -subunits induce activation of phospholipase C ⁇ or phosphoinositide 3-kinase (Duru, EA, et al., J. Surg . Res., 195 (2): 396-405, 2015). Activation of these molecules induces complex downstream signaling to diversify cellular responses, such as chemotactic migration, degranulation, and superoxide generation, to in vivo immune responses. Will be adjusted.
- the present invention is to solve a number of problems including the above problems, it is an object of the present invention to provide a novel peptide having a more effective antimicrobial action and immune activity at the same time.
- an object of the present invention is to provide various uses of the peptide, such as an antimicrobial agent comprising the peptide, a pharmaceutical composition for treating atopic dermatitis, and a cosmetic composition for improving atopic skin.
- an antimicrobial agent comprising the peptide as an active ingredient.
- a pharmaceutical composition for treating atopic dermatitis comprising the peptide as an active ingredient.
- a cosmetic composition for improving atopic skin comprising the peptide as an active ingredient.
- Antimicrobial peptides according to an embodiment of the present invention not only has a very high antimicrobial activity against various bacteria, such as Gram-positive bacteria and Gram-negative bacteria, but also has a therapeutic effect against atopic dermatitis, antibiotics as well as skin external preparations, Or it may be used for various purposes, such as cosmetic composition for atopic dermatitis relief.
- Gram-positive bacteria Staphylococcus epidermidis and Staphylococcus aureus
- Gram-negative bacteria Pseudomonas
- SEQ ID NO: 1 a Gram-positive bacteria
- Pseudomonas Gram-negative bacteria
- A is FPR2 and FPR1 in RBL cells
- RBL cells Is a graph showing the FL ratio of the peptide in the cells overexpressed
- B is a graph showing the calcium ion increase activity according to the concentration of the peptide of SEQ ID NO: 1 in RBL cells overexpressed FPR2.
- Figure 3 is a schematic of the experimental procedure when the peptide is treated in a capsaicin-induced atopic dermatitis model according to an embodiment of the present invention.
- Figure 4 shows the result of confirming the dermatitis improvement effect in the dermis, the dermis applied site in the capsaicin-induced atopic dermatitis model during the peptide treatment according to an embodiment of the present invention
- A is a neonatal mouse that induced atopic dermatitis by treating capsaicin (Neo-Cap) is a graph showing the dermatitis improvement effect
- B is a graph showing the dermatitis improvement effect in two weeks after the birth of atopic dermatitis treated with capsaicin (2 W Cap).
- 5 is a time course (3 weeks after the peptide treatment of the newborn model animal (Neo-Cap, A) and two weeks old model animals (2W Cap, B) when the peptide (NCP112) treatment according to an embodiment of the present invention
- To 5 weeks is a series of pictures taken compared to the control group skin condition.
- Figure 6 is treated with the peptide (NCP112) in the newborn model animal (Neo-Cap, the top) and two weeks old model animals (2 W Cap) after 5 weeks and the skin tissue state according to an embodiment of the present invention, respectively Is a graph showing tissue staining images (left panel) under the microscope and the results of measuring the thickness of the epithelium (right panel).
- the term "immunomodulating peptide” has a form of non-immunoglobulin protein and directly or indirectly enhances immune enhancing activities such as antimicrobial and antiviral activity, inflammatory response control, natural killer cell stimulation, and antibody dependent cellular cytotoxicity control. It means a peptide.
- the protein translated by the gene is a formyl peptide receptor 1 (FPR1) and formyl peptide receptor 2 (FPR2) expressed in phagocytic cells such as neutrophils and monosites. ) Plays an important role in the host's defense against pathogen infection.
- the receptor is known to bind to pertussis toxin-sensitive Gi protein.
- FPR1 and FPR2 induces the separation of G ⁇ subunits from G ⁇ i subunits, and ⁇ -subunits induce the activation of phospholipase C ⁇ or phosphoinositide 3-kinase. Activation of these molecules induces complex downstream signaling to diversify cellular responses such as chemotactic migration, degranulation, and superoxide generation.
- antibacterial peptide refers to a cationic peptide compound having a relatively simple structure, which is used for gram-positive bacteria, gram-negative bacteria, fungi, viruses, and the like. It has a broad antimicrobial spectrum and its mechanism is not fully understood, but it is generally known to exhibit antimicrobial activity through a mechanism of action that destroys cell membranes of microorganisms.
- atopic dermatitis is the most common inflammatory skin disease in infants and children, characterized by severe pruritus, erythema, edema, effusion, crust, sulphate, thyroiditis, frequent recurrence, chronic progression, and recurrence. Secondary lesions are characteristic of sofa scratches and sunburn.
- the peptide may be an octanoyl group (CH 3 (CH 2 ) 6 CO-, hereinafter abbreviated as 'Oct-') attached to the N-terminus, and 1 to 6 amino acids are added to the C-terminus.
- an antimicrobial agent comprising the peptide as an active ingredient.
- the antimicrobial agent may have antibacterial activity against gram-negative and gram-positive bacteria
- the gram-negative bacteria is Escherichia coli (E. coli), Salmonella (Salmonella sp.), Vibrio bacteria (Vibrio sp.) Or Pseudomonas aeruginosa (Pseudomonas aeruginosa )
- the Gram-positive bacteria may be Staphylococcus aureus , Staphylococcus epidermidis , or Propionibacterium. acnes ) or Streptomyces mutans .
- a pharmaceutical composition for treating atopic dermatitis comprising the peptide as an active ingredient.
- the pharmaceutical composition comprising the peptide as an active ingredient may include one or more of a pharmaceutical diluent selected from saline, buffered saline, dextrose, water, glycerol and ethanol, and the diluent is not limited thereto.
- a pharmaceutical diluent selected from saline, buffered saline, dextrose, water, glycerol and ethanol, and the diluent is not limited thereto.
- the pharmaceutical composition may be applied differently depending on the purpose of administration and the disease.
- the amount of active ingredient administered substantially depends on a variety of related factors, such as the disease to be treated, the extent of the patient's condition, co-administration with other drugs (eg chemotactic drugs), the patient's age, gender, weight, food, time of administration, It should be determined in consideration of the route of administration and the ratio of the composition.
- the composition may be administered once or in divided doses once or a day, although the dosage and route of administration may be adjusted according to the type and severity of the disease.
- compositions comprising the peptides or substances of this invention may be administered orally or parenterally.
- Parenteral administration means administration of medications other than oral, ie rectal, intravenous, peritoneal and muscular, arterial, transdermal, nasal, inhaled, ocular, and subcutaneous.
- Pharmaceutical compositions comprising such peptides or substances may be formulated in any form, such as oral dosage forms, injectable solutions or topical formulations.
- the formulation is preferably prepared for oral and injectable administration (true solution, suspension or emulsion), most preferably in oral form such as tablets, capsules, soft capsules, aqueous pharmaceuticals, pills, granules and the like. desirable.
- the peptides of the present invention are filled into soft capsules without excipients and made into a suitable formulation after mixing or dilution with the carrier.
- suitable carriers include starch, water, saline, Ringer's solution, dextrose and the like.
- a cosmetic composition for improving atopy skin comprising the peptide.
- the cosmetic composition may include one or more additives used in the formulation of the cosmetic composition.
- additives include, for example, 1, 3-butylene glycol, soy phospholipid choline, sphingosine, cholesterol, Tween 80, phytosphingosine, salicylic acid, skin moisturizers (wetting agents), softeners, natural oils, keratin, lipoids, absorbing water-soluble substances , Stratum corneum ceramide, epidermal lipid acidic film fatty acid, cholesteryl ester, ethanol, distilled water and the like.
- the present inventors searched for a peptide consisting of the amino acid sequence (KFKWRYm) described in SEQ ID NO: 1 having antibacterial activity through basal screening.
- the capital letter in the amino acid sequence of the peptide represents a conventional L-type amino acid, and the lowercase m represents a D-type methionine.
- the peptide may be prepared using conventional amino acid synthesis (Umbarger, HE, Ann. Rev. Biochem ., 47: 533-606, 1978).
- the present inventors synthesized modified peptides having various lipid components such as palmitoyl group and octanoyl group attached to the N-terminus of the peptide, thereby improving antimicrobial activity.
- the modified peptide with the octanoyl group is the most active, in the following experimental example was used Oct-KFKWRYm peptide (hereinafter referred to as 'NCP112').
- Example 2 In order to measure the antimicrobial activity of the peptide prepared in Example 2 was performed antibacterial test. Gram-positive bacteria ( Staphylococcus epidermidis and Staphylococcus aureus ) and Gram-negative bacteria ( Pseudomonas aeruginosa and E. coli ) were prepared, plated 4 times in agar plate medium and incubated overnight in a 36 ° C. incubator. The next day the strain colonies produced on agar plate medium was inoculated in 3 ml nutrient medium and incubated overnight in a stirred incubator at 36 °C, 220 rpm conditions. The next day, the bacteria were diluted and adjusted to 0.5 by measuring absorbance at 600 nm.
- Example 2 diluted 1: 100 ratio in nutrient medium. Then, the peptides prepared in Example 2 were sequentially diluted in nutrient medium at concentrations of 0, 1.25, 2.5, 5, 10, and 20 ⁇ M, and then prepared by 1 ml, and then inoculated with 1 ml of the diluted bacteria. Subsequently, after incubating for 18 hours in a stirred culture at 36 ° C. and 220 rpm, the absorbance at 600 nm was measured and analyzed.
- the peptide according to an embodiment of the present invention showed an antimicrobial activity against all the bacteria tested in a concentration-dependent.
- the concentration of 10 ⁇ M completely inhibited the growth of four species.
- P. aeruginosa showed the best antibacterial effect.
- the inventors then observed a change in calcium ion permeability to determine whether the peptide according to an embodiment of the present invention activates the immune function of the living body. Specifically, the concentration of intracellular calcium ions was measured to determine whether the peptide activates FPR2. For this, RPR cells that did not express FPR2 and cells that overexpressed FPR1 (FPR1-RBL) and FPR2 overexpressed cells (FPR2-RBL) were used, and the release of intracellular calcium ions could be measured sensitively. As a method, Fura-2 / AM, a staining material with strong binding to calcium, was used.
- the cells were cultured in RPMI medium containing 10% fetal calf serum, harvested by centrifugation when in a log phase (mid-log phase, 1-3 ⁇ 10 7 cells / ml), and no fetal calf serum was contained. Washed several times with RPMI medium, and resuspended in RPMI medium to 1 ⁇ 10 7 cells / ml. The final 3 ⁇ M concentration of Fura-2 / AM was then added and incubated with continuous stirring for 45 minutes in a 37 ° C., 5% CO 2 incubator.
- the cells are harvested and washed again several times with RPMI medium, which is then suspended in an appropriate amount of RPMI medium to which 250 ⁇ M of sulfinpyrazone is added to prevent the loss of Fura-2 into the cells. It was. Approximately 2 ⁇ 10 6 cells are taken each time, harvested by rapid centrifugation, and resuspended in 1 ml of EGTA-added Locke solution without adding calcium ions, followed by two wavelengths of 340 nm and 380 nm on the spectrophotometer.
- the present inventors in order to determine whether the peptide according to an embodiment of the present invention can treat immune-related diseases by activating an immune function in vivo, treating the peptide in an atopy animal model to treat symptoms of atopic dermatitis. We investigated whether it could be improved. Specifically, in order to determine whether the capsaicin-induced atopic dermatitis has an effect of improving dermatitis, the inventors have used a peptide (NCP112) according to an embodiment of the present invention to induce atopic dermatitis (Neo-Cap and 2 W Cap) in an atopic model animal. After the treatment on the dermis, the dermal application site and the scratched area of the skin tissue was observed the degree of skin improvement.
- Neo-Cap is a representative model animal of atopic dermatitis by causing atopic dermatitis by subcutaneously injecting 50 mg / kg of capsaicin into the back skin of newborn Sprague Dawley rats within 48 hours of birth.
- 2 W Cap is a model animal that induces atopic dermatitis by subcutaneous injection of 25 mg / kg capsaicin twice in rats 2 weeks old, which simulates adolescent or adult onset atopic dermatitis.
- Neo-Cap model dermatitis score was measured 2 weeks after capsaicin injection, and then the control (PBS) and NCP112 were applied to the back (200 ⁇ l) and both ears (50 ⁇ l) daily at a concentration of 10 ⁇ M and 3 at weekly intervals. Dermatitis scores were measured during the week. Dermatitis scores were measured according to the skin condition in the face, ear, total and ear, application site, and normalized to a score at 2 weeks, the starting point, as 1, shown in FIG. The criteria are shown in Table 1 below.
- the dermatitis score was measured 1 week after capsaicin injection, and then the control group (PBS) and NCP112 were applied to the back (200 ⁇ l) and both ears (50 ⁇ l) daily at a concentration of 10 ⁇ M. Dermatitis scores were measured in the same manner as in the Neo-Cap model. The score at 3w, which is the starting point, was normalized to 1, and is shown in FIG. 4.
- the mouse analyzed in Experimental Example 3-1 was sacrificed, and skin tissue of the dermatitis-induced region was capped by capsaicin treatment to a size of about 3 ⁇ 3 cm.
- the extracted skin tissues were fixed in 4% paraformaldehyde solution for 2 to 3 days.
- the fixed tissue was further subdivided into 1 ⁇ 0.5 cm size and placed in a tissue cassette and stored at ⁇ 20 ° C. after dehydration, transparency, and paraffinization with a Tissue processor (Leica microsystems, Germany).
- the thinly sliced tissue ribbon is floated in a constant temperature water bath, flattened and attached to the slide glass and dried on a 40 °C heating plate.
- I was.
- sections of the skin tissues were deparaffinized three times with xylene for 3 minutes, and then immersed in distilled water for 1 minute in 70 to 100% ethanol, and then soaked in hematoxylin solution. Nuclear sites of tissue cells were stained, washed with distilled water, and stained with eosin again.
- FIG. 5 is a photograph of the state of the skin tissue of the atopic dermatitis-induced area over time
- Figure 6 is an optical micrograph showing the result of tissue staining on the skin tissue of the atopic dermatitis-induced site, Neo- In both the Cap and 2 W Cap groups, the control group showed thickening of the epithelium, which is typical of atopic dermatitis.
- the thickness of the epithelial layer was slightly decreased in Neo-Cap.
- 2 W Cap group was significantly reduced to restore almost normal level. Therefore, the peptide according to an embodiment of the present invention has an effect of improving atopic dermatitis symptoms in both Neo-Cap and 2 W Cap models as a result of animal experiments, especially in 2 W Cap animals, almost normal condition and skin condition. It was confirmed that it is very efficient.
- Antimicrobial peptides are Gram-positive bacteria ( Staphylococcus epidermidis and Staphylococcus) aureus) and gram-negative bacteria (Pseudomonas aeruginosa and E. coli ), as well as the antibacterial activity of atopic dermatitis model animal atopic dermatitis symptoms of the effect is obvious, so various antibiotics, especially skin external antibiotics, as well as functional for improving atopic dermatitis It can be used as a raw material for cosmetics.
- SEQ ID NO: 1 is an amino acid sequence of an antimicrobial peptide according to one embodiment of the present invention.
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Abstract
Description
위치 | 점수 | 피부 상태 |
얼굴 | 0 | 정상 |
1 | 성긴 털 | |
2 | 탈모 및 발적 | |
3 | 출혈 혹은 궤양 병변 | |
귀 | 0 | 정상 |
1 | 발적 | |
2 | 출혈 | |
3 | 귀 조직 손실 | |
등 | 0 | 정상 |
1 | 성긴 털 | |
2 | 탈모 및 발적 | |
3 | 출혈 혹은 궤양 병변 |
Claims (9)
- 서열번호 1의 아미노산 서열로 구성되는 신규 항균 및 면역조절 펩타이드.
- 제1항에 있어서,N-말단에 옥타노일기(octanoyl group, CH3(CH2)6CO-)가 부가된 것인, 펩타이드.
- 제1항 또는 제2항에 있어서,C-말단에 1 내지 6개의 아미노산이 부가된, 펩타이드.
- 제1항 또는 제2항의 펩타이드를 유효성분으로 포함하는 항균제.
- 제3항의 펩타이드를 유효성분으로 포함하는 항균제.
- 제1항 또는 제2항의 펩타이드를 유효성분으로 포함하는 아토피 피부염 치료용 약학적 조성물.
- 제3항의 펩타이드를 유효성분으로 포함하는 아토피 피부염 치료용 약학적 조성물.
- 제1항 또는 제2항의 펩타이드를 유효성분으로 포함하는 아토피성 피부 개선용 화장료 조성물.
- 제3항의 펩타이드를 유효성분으로 포함하는 아토피성 피부 개선용 화장료 조성물.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2018525581A JP6611291B2 (ja) | 2015-11-18 | 2016-10-05 | 新規な抗菌ペプチド及びその用途 |
CN201680067579.0A CN108473533B (zh) | 2015-11-18 | 2016-10-05 | 新型抗微生物肽及其用途 |
DK16866549.5T DK3378870T3 (da) | 2015-11-18 | 2016-10-05 | Nyt antimikrobielt peptid og anvendelse deraf |
US15/775,085 US10421781B2 (en) | 2015-11-18 | 2016-10-05 | Antimicrobial peptide and use thereof |
EP16866549.5A EP3378870B1 (en) | 2015-11-18 | 2016-10-05 | Novel antimicrobial peptide and use thereof |
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KR10-2015-0161837 | 2015-11-18 | ||
KR1020150161837A KR101855170B1 (ko) | 2015-11-18 | 2015-11-18 | 신규 항균 펩타이드 및 그의 용도 |
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WO2017086596A1 true WO2017086596A1 (ko) | 2017-05-26 |
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PCT/KR2016/011135 WO2017086596A1 (ko) | 2015-11-18 | 2016-10-05 | 신규 항균 펩타이드 및 그의 용도 |
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US (1) | US10421781B2 (ko) |
EP (1) | EP3378870B1 (ko) |
JP (1) | JP6611291B2 (ko) |
KR (1) | KR101855170B1 (ko) |
CN (1) | CN108473533B (ko) |
DK (1) | DK3378870T3 (ko) |
HK (1) | HK1253725A1 (ko) |
WO (1) | WO2017086596A1 (ko) |
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KR102170236B1 (ko) * | 2019-03-19 | 2020-10-29 | (주)노바셀테크놀로지 | 신규 다중 기능성 펩타이드 및 그의 용도 |
KR102220323B1 (ko) * | 2020-05-15 | 2021-02-26 | (주)노바셀테크놀로지 | 신규 다중 기능성 펩타이드 및 그의 용도 |
KR102429281B1 (ko) * | 2020-05-25 | 2022-08-05 | (주)노바셀테크놀로지 | 신규 안구건조증 치료용 약학적 조성물 |
KR20230153943A (ko) | 2022-04-27 | 2023-11-07 | (주)노바셀테크놀로지 | 신규 염증해소 펩타이드 및 그의 용도 |
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US5470950A (en) * | 1991-09-13 | 1995-11-28 | Magainin Pharmaceuticals Inc. | Biologically active amphiphilic peptide compositions and uses therefor |
US20090233870A1 (en) * | 2006-07-10 | 2009-09-17 | Osterreichische Akademie Der Wissenschaften | Antimicrobial Peptides |
US20110105416A1 (en) * | 2008-04-09 | 2011-05-05 | Forschungzentrum Borstel-Leibnizzentrum Fur Medizin Und Biowissenschaften | Novel Antimicrobial Peptides |
KR20110137238A (ko) * | 2010-06-16 | 2011-12-22 | 주식회사 나이벡 | 항균 또는 항염증 활성을 가지는 펩타이드 및 이를 유효성분으로 함유하는 약제학적 조성물 |
US20150080291A1 (en) * | 2012-03-20 | 2015-03-19 | Helix Biomedix Inc. | Short antimicrobial lipopeptides |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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SE0402807D0 (sv) * | 2004-11-17 | 2004-11-17 | Dermagen Ab | Novel antimicrobial peptides |
CA2597191C (en) * | 2005-02-09 | 2014-04-01 | Helix Biomedix Inc. | Antimicrobial hexapeptides |
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2015
- 2015-11-18 KR KR1020150161837A patent/KR101855170B1/ko active IP Right Grant
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2016
- 2016-10-05 CN CN201680067579.0A patent/CN108473533B/zh active Active
- 2016-10-05 JP JP2018525581A patent/JP6611291B2/ja active Active
- 2016-10-05 EP EP16866549.5A patent/EP3378870B1/en active Active
- 2016-10-05 DK DK16866549.5T patent/DK3378870T3/da active
- 2016-10-05 US US15/775,085 patent/US10421781B2/en active Active
- 2016-10-05 WO PCT/KR2016/011135 patent/WO2017086596A1/ko active Application Filing
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2018
- 2018-10-10 HK HK18112873.7A patent/HK1253725A1/zh unknown
Patent Citations (5)
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US5470950A (en) * | 1991-09-13 | 1995-11-28 | Magainin Pharmaceuticals Inc. | Biologically active amphiphilic peptide compositions and uses therefor |
US20090233870A1 (en) * | 2006-07-10 | 2009-09-17 | Osterreichische Akademie Der Wissenschaften | Antimicrobial Peptides |
US20110105416A1 (en) * | 2008-04-09 | 2011-05-05 | Forschungzentrum Borstel-Leibnizzentrum Fur Medizin Und Biowissenschaften | Novel Antimicrobial Peptides |
KR20110137238A (ko) * | 2010-06-16 | 2011-12-22 | 주식회사 나이벡 | 항균 또는 항염증 활성을 가지는 펩타이드 및 이를 유효성분으로 함유하는 약제학적 조성물 |
US20150080291A1 (en) * | 2012-03-20 | 2015-03-19 | Helix Biomedix Inc. | Short antimicrobial lipopeptides |
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JP2019506362A (ja) | 2019-03-07 |
EP3378870A4 (en) | 2019-06-12 |
DK3378870T3 (da) | 2021-05-17 |
US10421781B2 (en) | 2019-09-24 |
JP6611291B2 (ja) | 2019-11-27 |
KR101855170B1 (ko) | 2018-05-08 |
KR20170058498A (ko) | 2017-05-29 |
EP3378870B1 (en) | 2021-04-21 |
HK1253725A1 (zh) | 2019-06-28 |
EP3378870A1 (en) | 2018-09-26 |
CN108473533B (zh) | 2021-03-19 |
US20180319840A1 (en) | 2018-11-08 |
CN108473533A (zh) | 2018-08-31 |
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