In the mitochondrial disease MNGIE a deficiency of thymidine phosphorylase causes dTTP to accumulate in mitochondria. Describe the mechanism by which this occurs. A secondary effect is depletion of mitochondrial dCTP pools. Describe a plausible mechanism for this effect.

Human Physiology: From Cells to Systems (MindTap Course List)
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ISBN:9781285866932
Author:Lauralee Sherwood
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Chapter2: Cell Physiology
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In the mitochondrial disease MNGIE a deficiency of thymidine phosphorylase causes dTTP to accumulate in mitochondria. Describe the mechanism by which this occurs. A secondary effect is depletion of mitochondrial dCTP pools. Describe a plausible mechanism for this effect.

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