Researchers Identify Gene That Regulates Glucose Levels

by VR Sreeraman on  June 4, 2008 at 5:39 PM Diabetes News   - G J E 4
 Researchers Identify Gene That Regulates Glucose Levels
In a new study that may provide further understanding of the underlying causes of diabetes, researchers have identified a gene that regulates glucose levels.

The study determined that a variant of the enzyme G6PC2 is not associated with an increased risk for type 2 diabetes.

"Elevations of blood glucose are diagnostic of diabetes. This finding demonstrates there are gene variants that are important for day-to-day regulation of glucose, but they do not appear to play a significant role in disease risk," says Richard M. Watanabe, Ph.D., associate professor of preventive medicine and physiology and biophysics at the Keck School of Medicine of USC and co-senior author of the paper.

"The identification of these variants increases our basic biologic knowledge about regulation of glucose and may also be useful in future genetic studies to help discriminate between genetic variants that do or do not contribute to disease susceptibility," he said.

As a part of the research the boffins examined genetic information from more than 24,000 people.

They scanned the genomes of more than 5,000 participants, and came to the conclusion that a gene on chromosome 2 that encodes for the enzyme glucose-6-phosphatase catalytic 2 (G6PC2) is associated with fasting glucose levels.

"G6PC2 is primarily expressed in the beta-cells of the pancreas and is responsible for converting glucose-6-phosphate back to glucose," says Watanabe.

"Genetic variation of G6PC2 may be responsible for reducing insulin secretion and causing the glucose concentration to increase."

However, in spite of this, the researchers found that the variant does not increase diabetes risk.

The study will appear in the July issue of the Journal of Clinical Investigation.

Source: ANI

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