Glycopeptide compositions and uses thereof
The present disclosure provides glycosylated oligopeptides having the sequence Palmitoyl-X1-Lys-X2-X3-Lys-X4-OH, where: X1 is: absent, Ser having a glycosylated side chain, or Asn having a glycosylated side chain; X2 is: Thr, Thr having a glycosylated side chain, Asn having a glycosylated side chain, or Ser having a glycosylated side chain; X3 is: Thr, or Thr having a glycosylated side chain; X4 is: Ser, or Ser having a glycosylated side chain. At least one of X1, X2, X3 and X4 is an amino acid having a glycosylated side chain. Each glycosylated side chain is, independently, glycosylated with a carbohydrate selected from the group consisting of: glucose, N-acetyl-glucosamine, galactose, N-acetyl-galactosamine, mannose, maltose, lactose, rhamnose, cellobiose, xylose, and fucose. Each hydroxyl group on the carbohydrate is, independently, OH or acetylated.
1. A 5 or 6 amino acid glycosylated oligopeptide of the formula:
Palmitoyl-X1-Lys-X2-X3-Lys-X4-OH (SEQ ID NO: 3), wherein:
X1 is: absent, Ser having a glycosylated side chain, or Asn having a glycosylated side chain;
X2 is: Thr, Thr having a glycosylated side chain, Asn having a glycosylated side chain, or Ser having a glycosylated side chain;
X3 is: Thr, or Thr having a glycosylated side chain;
X4 is: Ser, or Ser having a glycosylated side chain;
wherein: at least one of X1, X2, X3 and X4 is an amino acid having a glycosylated side chain;
wherein: each glycosylated side chain is, independently, glycosylated with a carbohydrate selected from the group consisting of: glucose, N-acetyl-glucosamine, galactose, N-acetyl-galactosamine, mannose, maltose, lactose, rhamnose, cellobiose, xylose, and fucose; and
wherein: each hydroxyl group on the carbohydrate is, independently, OH or acetylated.
2. The glycosylated oligopeptide according to claim 1 , wherein the hydroxyl groups on the carbohydrate are all acetylated.
3. The glycosylated oligopeptide according to claim 1 , wherein the hydroxyl groups on the carbohydrate are all not acetylated.
4. The glycosylated oligopeptide according to claim 1 , wherein X1 is absent.
5. The glycosylated oligopeptide according to any one of claims 1 - 4 , wherein X2 is Thr having a glycosylated side chain.
6. The glycosylated oligopeptide according to claim 5 , wherein the glycosylated side chain is glycosylated with glucose, mannose or maltose.
7. The glycosylated oligopeptide according to claim 5 , wherein X1, X3 and X4 amino acids are unglycosylated.
8. The glycosylated oligopeptide according to any one of claims 1 - 4 , wherein X4 is Ser having a glycosylated side chain.
9. The glycosylated oligopeptide according to claim 8 , wherein the glycosylated side chain is glycosylated with glucose, galactose or maltose.
10. The glycosylated oligopeptide according to claim 8 , wherein X1, X2 and X3 amino acids are unglycosylated.
11. The glycosylated oligopeptide according to any one of claims 1 - 4 , wherein X3 is Thr having a glycosylated side chain.
12. The glycosylated oligopeptide according to claim 11 , wherein X1, X2 and X4 amino acids are unglycosylated.
13. A glycosylated oligopeptide consisting of the amino acid sequence: Palmitoyl-Lys-Thr*-Thr-Lys-Ser-OH, wherein Thr* is threonine glycosylated with per-acetylated β-glucose (SEQ ID NO: 4).
14. A glycosylated oligopeptide consisting of the amino acid sequence: Palmitoyl-Lys-Thr*-Thr-Lys-Ser-OH, wherein Thr* is threonine glycosylated with per-acetylated α-mannose (SEQ ID NO: 5).
15. A glycosylated oligopeptide consisting of the amino acid sequence: Palmitoyl-Lys-Thr*-Thr-Lys-Ser-OH, wherein Thr* is threonine glycosylated with per-acetylated β-maltose (SEQ ID NO: 6).
16. A glycosylated oligopeptide consisting of the amino acid sequence: Palmitoyl-Lys-Thr-Thr-Lys-Ser*-OH, wherein Ser* is serine glycosylated with per-acetylated β-galactose (SEQ ID NO: 7).
17. A glycosylated oligopeptide consisting of the amino acid sequence: Palmitoyl-Lys-Thr-Thr-Lys-Ser*-OH, wherein Ser* is serine glycosylated with per-acetylated β-glucose (SEQ ID NO: 8).
18. A glycosylated oligopeptide consisting of the amino acid sequence: Palmitoyl-Lys-Thr-Thr*-Lys-Ser-OH, wherein Thr* is threonine glycosylated with per-acetylated β-maltose (SEQ ID NO: 9).
19. A glycosylated oligopeptide consisting of the amino acid sequence: Palmitoyl-Lys-Thr-Thr-Lys-Ser*-OH, wherein Ser* is serine glycosylated with per-acetylated β-maltose (SEQ ID NO: 10).
20. A glycosylated oligopeptide consisting of the amino acid sequence according to any one of SEQ ID NOs: 12-48.
21. A cosmetic or dermopharmaceutical composition comprising at least one glycosylated oligopeptide according to any one of claims 1 - 4 , and 13 - 20 .
22. A method of increasing the secretion of an extra-cellular matrix protein by a cell in an individual in need thereof, the method comprising topically administering to the individual the composition according to claim 21 .
23. The method according to claim 22 , wherein the extra-cellular matrix protein is elastin, fibronectin, or collagen.
24. A skin care composition comprising:
a) a safe and effective amount of a glycosylated oligopeptide according to any one of claims 1 - 4 , and 13 - 20 ;
b) a safe and effective amount of at least one additional skin care agent selected from the group consisting of: desquamatory agents, anti-acne agents, vitamin A compounds, vitamin B 3 compounds, vitamin C compounds, vitamin E compounds, carotenoids, retinoids, di-, tri-, tetra-, penta- and hexa-peptides and derivatives thereof, hydroxy acids, radical scavengers, chelators, anti-inflammatory agents, topical anesthetics, tanning agents, skin lightening agents, sunscreen agents, anti-cellulite agents, flavonoids, antimicrobial agents, skin healing agents, farnesol, phytantriol, allantoin, glucosamine, hyaluronic acids and mixtures thereof; and
c) a dermatologically acceptable carrier.
25. The skin care composition according to claim 24 , wherein the antimicrobial agent is an antifungal agent.