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Development of specific and non-specific somatostatin analogs. 1986

T Nakano, and Y Harano, and J Emura, and T Kimura, and S Sakakibara, and Y Shigeta

Biological activity of six somatostatin analogs has been investigated. In these analogs, disulfide bond is replaced by ethylene bond cyclized with alpha-amino suberic acid. In addition, they contain unique D-configuration in both Trp8 and Cys14 moiety with dicarba substitution. An analog of the short chain length, C omega 7-cyclo (Phe6-Phe7-D-Trp8-Lys9-Thr10-Phe11-D-Asu14) (analog 4) has suppressive effect for GH, but not for other hormones. Analog 6, C omega 9-cyclo(Asn5-Phe6-Phe7-D-Trp8-Lys9-Thr10-Ph e11-Thr12-D-Asu14), has suppressed GH and insulin secretion, but not for gastrin and glucagon. Analog 1, C omega 11-cyclo (Lys4-Asn5-Phe6-Phe7-D-Trp8-Lys9-Thr10-Phe11- Thr12-Ser13-D-Asu14] and 5, C omega 9-cyclo (Lys4-Asn5-Phe6-Phe7-D-Trp8-Lys9-Thr10-Phe11-D-+ ++Asu14) have broad suppressive effect for GH, gastrin, insulin and glucagon release after arginine infusion. The shortest analog, analog 2, C omega 5-cyclo (Phe7-D-Trp8-Lys9-Thr10-D-Asu14) has weak suppressive effect of GH, insulin and glucagon secretion, and it is suggested that Phe6 and Phe11 are necessary for the appearance of suppressive effect of GH. Specific analog, analog 4, may be useful for the future treatment for acromegaly and diabetic retinopathy. Nonspecific analogs, 1 and 5 are candidates for the clinical application of wide variety.

UI MeSH Term Description Entries
D007263 Infusions, Parenteral The administration of liquid medication, nutrient, or other fluid through some other route than the alimentary canal, usually over minutes or hours, either by gravity flow or often by infusion pumping. Intra-Abdominal Infusions,Intraperitoneal Infusions,Parenteral Infusions,Peritoneal Infusions,Infusion, Intra-Abdominal,Infusion, Intraperitoneal,Infusion, Parenteral,Infusion, Peritoneal,Infusions, Intra-Abdominal,Infusions, Intraperitoneal,Infusions, Peritoneal,Intra Abdominal Infusions,Intra-Abdominal Infusion,Intraperitoneal Infusion,Parenteral Infusion,Peritoneal Infusion
D007328 Insulin A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1). Iletin,Insulin A Chain,Insulin B Chain,Insulin, Regular,Novolin,Sodium Insulin,Soluble Insulin,Chain, Insulin B,Insulin, Sodium,Insulin, Soluble,Regular Insulin
D008297 Male Males
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D005755 Gastrins A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. Gastrin
D005934 Glucagon A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511) Glucagon (1-29),Glukagon,HG-Factor,Hyperglycemic-Glycogenolytic Factor,Proglucagon (33-61),HG Factor,Hyperglycemic Glycogenolytic Factor
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001120 Arginine An essential amino acid that is physiologically active in the L-form. Arginine Hydrochloride,Arginine, L-Isomer,DL-Arginine Acetate, Monohydrate,L-Arginine,Arginine, L Isomer,DL Arginine Acetate, Monohydrate,Hydrochloride, Arginine,L Arginine,L-Isomer Arginine,Monohydrate DL-Arginine Acetate

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