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Effect of BPA on Insulin Secretion Bisphenol A (BPA) is an endocrine disruptor that may increase the risk of type 2 diabetes. Angel Nadal suspected that BPA disrupts insulin metabolism by activating an estrogen receptor on pancreatic islet cells. FIGURE 34.11 shows the results of one experiments. Cultured cells from human pancreatic islets were exposed either to BPA or to DPN, a chemical that binds to the estrogen receptor and activates it. Cells were then exposed to glucose, and their insulin Secretion was monitored. FIGURE 34.11 Effects of BPA and DPN on glucose-stimulated insulin secretion . DPN is a chemical known to bind and activate estrogen receptors on pancreatic cells. A glucose concentration of 8 millimolar (mM) is equivalent to that of the blood after a meal. How did treating cells with DPN or with BTA alter the response to glucose concentration?

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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
BuyFind

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
Chapter 34, Problem 2DAA
Textbook Problem

Effect of BPA on Insulin Secretion Bisphenol A (BPA) is an endocrine disruptor that may increase the risk of type 2 diabetes. Angel Nadal suspected that BPA disrupts insulin metabolism by activating an estrogen receptor on pancreatic islet cells. FIGURE 34.11 shows the results of one experiments. Cultured cells from human pancreatic islets were exposed either to BPA or to DPN, a chemical that binds to the estrogen receptor and activates it. Cells were then exposed to glucose, and their insulin Secretion was monitored.

Chapter 34, Problem 2DAA, Effect of BPA on Insulin Secretion Bisphenol A (BPA) is an endocrine disruptor that may increase the

FIGURE 34.11 Effects of BPA and DPN on glucose-stimulated insulin secretion. DPN is a chemical known to bind and activate estrogen receptors on pancreatic cells. A glucose concentration of 8 millimolar (mM) is equivalent to that of the blood after a meal.

How did treating cells with DPN or with BTA alter the response to glucose concentration?

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