138661-02-6
138661-02-6 结构式
基本信息
中文别名
喷曲肽 英文别名
DTPA-SMSPentreotide
Pentetreotide
DTPA-octreotide
Unii-G083B71p98
[DTPA-D-Phe1]octreotide
Pentreotide trifluoroacetate
CA index name: L-Cysteinamide, N-[2-[[2-bis(carboxymethyl)amino]-ethyl](carboxymethyl)amino]ethyl]-N-(carboxymethyl)glycyl-
N-[2-[[2-[Bis(carboxymethyl)amino]ethyl](carboxymethyl)amino]ethyl]-N-(carboxymethyl)-Gly-D-Phe-L-Cys(1)-L-Phe-D-Trp-L-Lys-L-Thr-L-Cys(1)-[(1R,2R)-2-hydroxy-1-(hydroxymethyl)propyl]-NH2
N-(2-((2-(Bis(carboxymethyl)amino)ethyl)(carboxymethyl)amino)ethyl)-N-(carboxymethyl)glycyl-D-phenylalanyl-L-cysteinyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-N-((1R,2R)-2-hydroxy-1-(hydroxymethyl)propyl)-L-cysteinamide cyclic (3-8)-disulfide
常见问题列表
生物活性
Pentetreotide 是 Octreotide 的 DTPA 共轭物。Pentetreotide 是一种铟标记的生长抑素类似物，可用于核医学成像。Pentetreotide 与生长抑素受体闪烁显影可有效观察神经内分泌肿瘤及其转移。体外研究
Neuroendocrine tumors have an increased number of somatostatin receptors, as compared to normal tissues. At present time, there are five known subtypes. Somatostatin receptor scintigraphy with 111 In-Pentetreotide binds to two of these subtypes and is effective in visualizing neuroendocrine tumors, and its metastasis with an overall diagnostic sensitivity of 70% to 90%. It is considerably more sensitive than conventional anatomic imaging. Its usage in neuroendocrine tumors not only includes assessment of disease extent, but also in identified primary lesion, assesses treatment response, and selection for radionuclide therapy.