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Somatostatin is secreted by delta cells at several locations in the digestive system, namely the pyloric antrum, the duodenum and the pancreatic islets. [14]Somatostatin released in the pyloric antrum travels via the portal venous system to the heart, then enters the systemic circulation to reach the locations where it will exert its inhibitory effects.
FK962 is a compound which acts as an enhancer of somatostatin release. It stimulates nerve growth and neurite elongation, and has been researched in animal models for potential applications in the treatment of conditions such as Alzheimer's disease and retinal neuropathy. [1] [2] [3] [4]
It is a non-selective somatostatin receptor antagonist, [37] inhibiting the effects of somatostatin on target cells in the gastrointestinal tract, pancreas, hypothalamus, and central nervous system. [2] Cyclosomatostatin is used as a research chemical to investigate the effects of somatostatin on different cell types by antagonizing its ...
The somatostatin family is a protein family with somatostatin as titular member, a hormone which inhibits the release of the pituitary somatotropin (growth hormone) and inhibits the release of glucagon and insulin from the pancreas of fasted animals. Cortistatin is a cortical neuropeptide with neuronal depressant and sleep-modulating properties ...
Somatic neuropathy See: Peripheral neuropathy. Somatostatin A hormone made by the delta cells of the pancreas (in areas called the islets of Langerhans). Scientists think it may control how the body secretes two other hormones, insulin and glucagon. Somogyi effect
Peripheral neuropathy may be classified according to the number and distribution of nerves affected (mononeuropathy, mononeuritis multiplex, or polyneuropathy), the type of nerve fiber predominantly affected (motor, sensory, autonomic), or the process affecting the nerves; e.g., inflammation (), compression (compression neuropathy), chemotherapy (chemotherapy-induced peripheral neuropathy).
Somatostatin is encoded by a CRE and is very susceptible to gene promoter region activation by transcription factor CREB. [1] There are five known somatostatin receptors: [2] SST 1 ; SST 2 ; SST 3 ; SST 4 ; SST 5 ; All are G protein-coupled seven transmembrane receptors.
The natural somatostatin receptor ligand, the 14 amino acid peptide somatostatin (A), was abridged to the biologically more stable 8 amino acid peptide Octreotide (OC, B). Introduction of a tyrosine into the 3rd position of the Octreotide sequence resulted in Tyr3-Octreotide (TOC, C), which allows for iodination of the tyrosine residue with the ...