生殖内分泌学ppt课件.ppt
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1、生殖內分泌學,蔡永杰醫師 財團法人奇美醫院生殖醫學中心,內分泌學概論,外分泌腺(有管腺)汗腺、乳腺、唾液腺。內分泌腺(無管腺)下視丘、腦下腺、甲狀腺、副甲狀腺、腎上腺、性腺、松果腺、胰臟、胸腺。,人體的內分泌腺,分泌的種類,分泌的種類,Autocrine:a mode of hormone action in which a hormone binds to receptors on and affects the function of the cell type that produced it.Paracrine:a type of hormone function in which h
2、ormone synthesized in and released from endocrine cells binds to its receptor in nearby cells of a different type and affects their function.Endocrine:applied to organs and structures that release their products into the blood or lymph,and to substances(hormones)that exert specific effects on other
3、organs.,荷爾蒙的種類,固醇類(steroid)三個六碳環與一個五碳環Cortisol,testosterone,progesterone,estrogenPolypeptides&醣蛋白類(glycoprotein)Polypeptides:ADH,insulin,oxytocinglycoprotein:TSHAminesEpinephrine,norepinephrine,T3,T4,荷爾蒙的種類,Endocrine 的作用機轉,Receptor vs Target cell,Endocrine 的作用機轉,固醇類激素 脂溶性Receptor 在細胞質內Estrogen-recep
4、tor complexEstrogen-receptor complex/DNADNARNARNAProteinProteinreaction,Polypeptides激素水溶性Receptor 在細胞核內T4 T3 T3-binding proteinT3/DNADNARNARNAProteinProteinreaction,Endocrine 的作用機轉,Endocrine 的作用機轉,Endocrine 的作用機轉,Amines類激素 水溶性Receptor 在細胞膜內Primary messengersecondary messenger cAMP(環單磷酸腺甘酸)cGMP(環單磷酸鳥
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