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Some ligands
have actions that are not dependent
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on
transcriptional regulation:
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Examples:
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Progesterone
induced maturation of oocytes
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Estrogen
activation of:
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G-proteins/
Calcium channels / NO synthesis
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cAMP and cGMP
synthesis / K channels
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PKC, PKA,
PI3K/PKB, ERK, p38, IGF-1R…
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and so on.
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