Internalization of metformin is necessary for its action on potentiating the insulin-induced Xenopus laevis oocyte maturation.


In this study, metformin (N, N1 dimethylbiguanide) was found to potentiate insulin-induced Xenopus laevis oocyte maturation, a phenomenon of transition from late G2 to M phase of the cell cycle. These cells also accumulated exogenous metformin (130 +/- 6.5 nmol/oocyte). Metformin covalently-coupled to Sepharose 4B beads failed to potentiate the insulin… (More)


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