(D-Trp12,Tyr34)-pTH (7-34) amide (bovine) acetate 是一种高效的甲状旁腺激素 (PTH) 拮抗剂,在牛肾皮质膜中的 Ki 值为 69 nM。
产品描述
(D-Trp12,Tyr34)-pTH (7-34) amide (bovine) acetate is a highly potent antagonist of parathyroid hormone (PTH) The Ki value is 69 nM in bovine renal cortical membrane.
体外活性
In opossum kidney (OK) cells, (D-Trp12,Tyr34)-pTH (7-34) amide (bovine) acetate (0.05-10 μM) inhibits PTHrP or PTH-stimulated cAMP formation in causes a concentration-dependent manner. (D-Trp12,Tyr34)-pTH (7-34) amide (bovine) acetate (0.1-10 μM) attenuates the inhibition of NapiT promoted by 1 nM of either PTHrP or PTH[1].
体内活性
In hypercalcemic athymic nude mice bearing a human squamous cell carcinoma of the lung, administration of (D-Trp12,Tyr34)-pTH (7-34) amide (bovine) acetate (1 mg/mL once, 0.1 mg/mL for 6 h; i.v.) has no significant effect on serum calcium levels[2].
储存和溶解度
(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years