The effects of vitamin A on insulin release and glucose oxidation in isolated rat islets.


We tested the effects of vitamin A, a membrane surface-active agent, on glucose (16.7 mM)-induced biphasic insulin release from collagenase-isolated rat islets. Also, efforts were made to correlate the effects of vitamin A with glucose oxidation. Vitamin A (10(-4) M) inhibited first- and second phase insulin release; 10(-5) M vitamin A inhibited second… (More)


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