摘要:
Compounds having antagonistic activity on endothelin receptors can be effectively used for prophylaxis and/or treatment of hypofunction of organs which occurs in their surgery or transplant.
摘要:
Novel polypeptide of the formula:H-Tyr-Gly-Gly-Phe-Met-Lys-Pro-Tyr-Thr-Lys-Gln-Ser-His-Lys-Pro-Leu-Ile-Thr-Leu-Leu-Lys-His-Ile-Thr-Leu-Lys-Asn-Glu-Gln-OH is useful as an analgesic agent. Methods of its preparation are also disclosed.
摘要:
A novel dipeptide, L-aspartyl-aminomalonic acid methyl 2-methylcyclohexyl diester and its physiologically acceptable salts which are useful as a sweetener, and production thereof and sweetening compositions containing the dipeptide or its salt.
摘要:
A compound of the formula: ##STR1## wherein each R.sup.1, R.sup.2 and R.sup.3 is an aliphatic acyl group, X is an amino acid sequence consisting of 1 to 5 amino acid residues which contain at least one acidic amino acid residue, n is an integer of 0 to 4, provided that when n is 0, X has glutamyl-glycyl at its N-terminal and when n is 1 or 2, the acidic amino acid residue is an acidic amino acid residue other than D-glutamyl, or a salt thereof has an activity of remarkably improving anhematopoiesis and is useful as an immuno-stimulating agent having a leukocyte-increasing activity.
摘要:
A compound of the formula: ##STR1## wherein each of R.sup.1 and R.sup.2 is hydrogen or aliphatic acyl, A is amino which may be protected, X is an amino acid sequence consisting of 1 to 10 amino acid residues which contain at least one amino acid residue having a water-solubility enhancing group, or a salt thereof has an activity of remarkably improving hematopoietic disorder and is useful as an immuno-stimulating agent or an agent for treating thrombocytopenia.
摘要:
Novel tetrapeptide acylhydrazides, inclusive of acid addition salts thereof, which have the formula: ##STR1## wherein R.sub.1 is hydrogen or methyl, R.sub.2 is lower alkyl; are useful as analgesics.
摘要:
A novel peptide-enzyme conjugate obtained by coupling a labeling enzyme with a peptide of the general formula:H-R.sub.1 -Phe-Val-Gln-Trp-Leu-R.sub.2 -Asn-Thr-OH(wherein R.sub.1 is a peptide fragment consisting of 1 to 10 amino acid residues in the sequence of and including the Asp in 10-position of ##STR1## and R.sub.2 is Met or Nle) is useful for a method for enzyme immunoassay of pancreatic glucagon.
摘要:
A peptide derivative of the general formula ##STR1## wherein R.sup.1 is a hydrogen atom, a C.sub.1-18 alkyl group or a substituted or unsubstituted phenyl C.sub.1-3 alkyl group;A is an amino or N--C.sub.1-6 alkylamino acid residue;B is a hydroxyl group, a substituted or unsubstituted amino group, or an amino acid or an amide thereof,or a physiologically acceptable salt thereof, can be advantageously used for the treatment and/or prevention of a disease including, among others, senile dementia (Alzheimer's dementia), cerebrovascular dementia, Alzheimer's disease, Pick's disease, Huntington's chorea, Creutzfeldt-Jakob disease, Parkinson's disease, and dementia due to spinocerebellar degeneration.
摘要:
Novel polypeptides of the formulaR.sub.1 --Arg--R.sub.2 --Phe--Phe--R.sub.3wherein R.sub.1 is hydrogen, or a basic or neutral amino acid residue, R.sub.2 is a neutral amino acid residue and R.sub.3 is NH.sub.2, Tyr--NH.sub.2, a residue of tyrosyl peptides consisting of 1 to 5 amino acid residues or amides of the tyrosyl peptides, provided that when R.sub.1 is hydrogen, R.sub.2 is Pro, are effectively used for treatment of insufficiency of carbohydrate metabolism and of lipid metabolism, especially for the treatment of diabetes by not only parenteral administration but also oral administration.
摘要:
Novel polypeptides of the formulaR.sub.1 --Arg--R.sub.2 --Phe--Phe--R.sub.3wherein R.sub.1 is hydrogen, or a basic or neutral amino acid residue, R.sub.2 is a neutral amino acid residue and R.sub.3 is NH.sub.2, Tyr--NH.sub.2, a residue of tyrosyl peptides consisting of 1 to 5 amino acid residues or amides of the tyrosyl peptides, provided that when R.sub.1 is hydrogen, R.sub.2 is Pro, are effectively used for treatment of insufficiency of carbohydrate metabolism and of lipid metabolism, especially for the treatment of diabetes by not only parenteral administration but also oral administration.