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165results about "Obesity gene products" patented technology

Fusion Protein Comprising Leptin and Methods for Producing and Using the Same

The present invention provides fusion proteins comprising leptin and a second protein. The presence of the second protein provides increased biological activity and / or increased half-life in vivo. The present invention also provides human, canine and feline leptin molecules fused to peptides, antibodies or antibody fragments which enhances the abilities of the leptin molecules to transport through the blood-brain-barrier (BBB). The present invention also provides fusion proteins further comprising a peptide agonist that is capable of binding to and stimulate one, two or all three of the following receptors: GLP-1 receptor, Glucagon receptor, and GIP receptor. Also disclosed is a method of production such fusion proteins through recombinant technologies. The invention further discloses a pharmaceutical composition comprising one of the fusion proteins as an active intergradient as well as a method for using such a pharmaceutical composition to treat diseases in dogs, cats and humans.
Owner:ASKGENE PHARM INC

Leptin peptide antagonists

Disclosed herein are peptides comprising a leptin sequence and methods for their use in preventing ObR signaling in a leptin-responsive cell. A leptin peptide of the present invention binds to but does not activate ObR signaling in a leptin-responsive cell, thereby inhibiting the up-regulatory effects of leptin on ObR signaling in the leptin-responsive cell. Administration of the peptide effectively prevents embryo implantation in a mammal to which the peptide has been administered. Also disclosed herein is a method for identifying a peptide antagonist of ObR, wherein the peptide comprises a leptin sequence.
Owner:GONZALEZ RUBEN RENE

Novel compounds and their effects on feeding behaviour

The invention provides a peptide comprising the amino acid sequence given below, together with uses of the peptide and methods associated therewith. The peptide finds particular use as an appetite suppressant and in the treatment of obesity.

Xaa1 Xaa2 Xaa3 Gly4 Thr5 Phe6 Thr7 Ser8 Asp9 Tyr10
Ser11 Lys12 Tyr13 Leu14 Xaa15 Xaa16 Xaa17 Xaa18
Xaa19 Xaa20 Xaa21 Xaa22 Xaa23 Xaa24 Trp25 Leu26
Xaa27 Xaa28 Xaa29 Xaa30 Xaa31 Xaa32 Lys33 Asn34
Asn35 Ile36 A1a37;
wherein:
Xaa2 is His1 or D-His1,
Xaa2 is Ser2 or Ala2,
Xaa3 is Gln3 or Asp3;
Xaa15 Xaa16 Xaa17 Xaa18 Xaa19 Xaa20 Xaa21 Xaa22
Xaa23 Xaa24 is:
Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Leu23 Glu24,
Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Leu23 Gln24,
Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Ile23 Glu24,
Glu15 Glu16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Ile23 Gln24,
Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22
Leu23 Glu24,
Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22
Leu23 Gln24,
Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22
Ile23 Glu24,
Glu15 Glu16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22
Ile23 Gln24,
Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Leu23 Glu24,
Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Leu23 Gln24,
Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Ile23 Glu24,
Glu15 Gln16 Glu17 Leu18 Val19 Lys20 Tyr21 Phe22
Ile23 Gln24,
Glu15 Gln16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22
Leu23 Glu24,
Glu15 Gln16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22
Leu23 Gln24,
Glu15 Gln16 Glu17 Ile18 Val19 Lys20 Tyr21 Phe22
Ile23 Glu24,
Glu15 Gln16 Glu17 lle18 Val19 Lys20 Tyr21 Phe22
Ile23 Gln24,
or
Asp15 Ser16 Arg17 Arg18 Ala19 Gln20 Asp21 Phe22
Val23 Gln24;
Xaa27 Xaa28 Xaa29 Xaa30 Xaa31 Xaa32 is:
Met27 Asn28 Thr29 Lys30 Arg31 Asn32,
Lys27 Asn28 Ala29 Gly30 Pro31 Ser32,
or
Lys27 Asn28 Gly29 Gly30 Pro31 Ser32
or a peptide as set out above in which residue Asn34 is replaced with Asp34;
or a peptide as set out above in which Xaa3 is Glu3;
with the proviso that if

Xaa15 Xaa16 Xaa17 Xaa18 Xaa19 Xaa20 Xaa21 Xaa22
Xaa23 Xaa24 is
Asp15 Ser16 Arg17 Arg18 Ala19 Gln20 Asp21 Phe22
Val23 Gln24,
then
Xaa27 Xaa28 Xaa29 Xaa30 Xaa31 Xaa32 is not
Met27 Asn28 Thr29 Lys30 Arg31 Asn32.
Owner:IMPERIAL INNOVATIONS LTD

Leptin antagonists

The invention relates to synthetic leptin antagonists in which at least two amino acid residues of the sequence LDFI / S of the hydrophobic binding site at positions 39-42 of a leptin polypeptide sequence are substituted with different amino acid residues such that the site becomes less hydrophobic, and fragments of said leptin antagonists.
Owner:YISSUM RES DEV CO OF THE HEBREWUNIVERSITY OF JERUSALEM LTD +2
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