A recent study in The American Journal of Gastroenterology revealed that patterns in diet may effect the development of colorectal adenomas, or precancerous polyps of the colon.
In this study, over 1500 patients underwent baseline colonoscopy to remove existing polyps. They were then given a survey about their diet. After a period of one and then four years later, the group underwent follow-up colonoscopies to determine if any polyps had returned. Those who had consumed diets higher in processed meats showed a greater risk of developing recurrent colorectal adenomas. Those with diets high in certain white meats, like chicken, were less prone to this risk.
"Our results are consistent with prior studies that suggest certain dietary factors may be important in the development of colon polyps and cancer," states Douglas Robertson, lead researcher of the study and Chief of the Section of Gastroenterology at the VA Medical Center in White River Junction, Vermont.
Sharon Agsalda | EurekAlert!
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Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
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