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A model of inositol 1,4,5-trisphosphate and calcium dynamics in single cells following metabotropic receptor activation

机译:代谢受体激活后单细胞肌醇1,4,5-三磷酸盐和钙动力学模型

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The application of external agonist to purinergic metabotropic receptors on single cells leads to transient inositol 1,4,5-trisphosphate (IP_3) and calcium (Ca~(2+)) responses. A mathematical model is formulated for the processes governing these responses, including the regulation of the receptor activity, the G-protein cascade and the cytosolic Ca~(2+) and IP_3 dynamics. This model is used to reproduce experimental observations on the extent of desensitization and sequestration of the P_2Y_2 receptor following its activation by uridine triphosphate and also the IP_3 and Ca~(2+) responses following this activation.
机译:外部激动剂在单细胞上施用到嘌呤能性代谢受体导致瞬时肌醇1,4,5-三磷酸(IP_3)和钙(Ca〜(2+))反应。配制了数学模型,用于治疗这些反应的过程,包括受体活性的调节,G蛋白级联和细胞溶质Ca〜(2+)和IP_3动力学。该模型用于再现实验观察结果,在其尿苷三磷酸盐激活后,在该激活后的IP_3和Ca〜(2+)反应后,对P_2Y_2受体的脱敏和封存的程度。

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