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. 2016 Jul 1;24(4):347–362. doi: 10.4062/biomolther.2016.067

Fig. 8.

Fig. 8.

The mechanism of adrenergic receptors. A represent α-receptors and trigger the IP3 (Inositol triphosphate) which then increase the Ca2+ level in cytoplasm and causing muscles contraction. B represents β-adrenoreceptors. The Inline graphic represents Marine compounds. Xestospongin C inhibit the phospholipase enzyme which play a key role in activation of IP3 (Inositol triphosphate) and block Ca2+ channels. S1319 B-2 receptor agonist resulting Bronchodilation and uterus relaxation.