| TRANSDUCER
COMPLEXES |
| METABOLISM |
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| TRANSDUCER |
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| COMPLEXES |
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| SECRETION |
| “2ND
MESSENGER” CASCADES |
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| MESSENGER |
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| CASCADES |
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| cAMP PROTEIN KINASE A |
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| 1,2- DAG PROTEIN KINASE C |
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| 1P3 Ca2+ CALMODULIN |
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| Ras:
MAP KINASE |
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| EFFECTS
ON |
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| CELLULAR |
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| FUNCTION |
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| OTHER
IMPORTANT FEATURES |
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| 1.
AMPLIFICATION BY ENZYMES OR ION |
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| CHANNELS |
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| 2.“CROSS-TALK”
BETWEEN PATHWAYS |
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| 3. RAPID
DEGRADATION/ DEACTIVATION |
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| OF 2ND
MESSENGERS |
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| TRANSCRIPTION |