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第十七章 激素 PowerPoint PPT Presentation


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第十七章 激素. 一、概述. 二、激素的合成与分泌. 三、重要激素举例. 四、激素的作用机制研究. 五、激素分泌的调节. 六、植物激素. 七、昆虫激素. 八、激素的应用. 楚雄师范学院化学与生命科学系 范树国. 一、概述. 激素 是生物体内特殊组织或腺体产生的,直接分泌到体液中 ( 若是动物,则指血液、淋巴液、脑脊液、肠液 ) ,通过体液运送到特定作用部位,从而引起特殊激动效应 ( 调节控制各种物质代谢或生理功能 ) 的一群微量的有机化合物。因此也可以把这类化学物质看作是生物体内的 “ 化学讯息 ” 。. 楚雄师范学院化学与生命科学系 范树国.

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第十七章 激素

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()()



endocrine system


1

2

3

4


(1)()2(3)()


2

1.

2.



G


cAMPcAMP

GGsGTPGsATPcAMPcAMPcAMPAPKAASerThr


cAMP

1.

-

GG


2.G

(guanyl-nucleotide-binding protein)

G GcAMPCa2+cAMPCa2+


3.

cAMPPKAcAMPA

cAMPA


4.

-G GcAMP


cAMPcAMP

A

ab


300

cAMP

cAMPcGMP


IP3Ca2+

5-GGCPLC4.5PIP2DAGIP3


DAGCa2+CCSerThr

IP3IP3IP3IP3Ca2+Ca2+Ca2+/ CaMCDPK

CaM4Ca2+Ca2+Ca2+/CaMSerThr

Ca2+/CaM


TPKTPKTPKTPKTyrTPK


22



HRE







40



1.

2.


3.

4.

Insulin

5.


1.

1

PGs

FSHLH


2

HCGPMSGPGF2100%

3

GnRH(HH)

4

EPF

hCG


2.

PRLGHIGF

GRFGRIF

3.

GHIGF

-

4.

GH


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