amylin , rat

Amylin (8-37), rat, is a truncated analog of native Amylin that selectively inhibits insulin-related glucose uptake and glycogen deposition in muscle tissue. Also known as islet amyloid precursor peptide (IAPP), Amylin is co-secreted with insulin.

Amylin is a peptide that displays 50% homology with calcitonin gene-related peptide (CGRP), Amylin is colocalized with somatostatin in endocrine cells of the gastric fundus. In isolated mouse stomach, amylin caused a concentration-dependent decrease in ac

Tyr-α-CGRP is an N-terminal extended tyrosinated analogue of α-calcitonin gene-related peptide . It binds to amylin receptors AMY1 and AMY3 in COS-7 cells expressing the human receptors (IC50s = 141 and 1.86 nM, respectively). Tyr-α-CGRP also binds to and stimulates cAMP accumulation in rat L6 myocytes (IC50 = 4 nM; EC50 = 12 nM). It also binds to rat brain and spleen membrane preparations (IC50s = 0.2 and 0.5 nM, respectively), induces positive chronotropic and inotropic effects in isolated right and left guinea pig atria (EC50s = 282 and 74 nM, respectively), and inhibits the twitch response in rat vas deferens (EC50 = 1.9 nM).

NN1213 (Peptide 21) 属于一种长效人胰淀素肽类似物，作为选择性胰淀素受体 (Amylin receptor) 激动剂，其对 hAMY3R 和 rAMY3R 的EC50分别为0.177 nM和0.262 nM。在大鼠和犬的实验模型中，NN1213 显示出显著的食欲抑制效果，可用于抗肥胖的研究领域。