The researchers put a group of male rats to a diet high in fat, while another group fed a balanced menus. This led to obesity, insulin resistance and problems with glucose metabolism in rats of the first group. Then both groups were mated with female rats of normal weight and diet. Surprisingly, the female offspring of obese mice "inherited" both insulin resistance and glucose problems with their parents. Do not forget that in these cases, none of the two disorders are genetic, but due to an environmental factor (epigenetic), in this case the diet. Segui
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Although research has been conducted in mice the results open a new door to study the influence of non-genetic factors at the time of conception. "We think this is one of the first findings in mammals, show how the nutritional effects that occur in the body of the parents can pass to their children," says Margaret Morris, who led the study.
What is the mechanism that causes this disturbance? At the moment, is to be clarified, although the report's authors suspect that diets rich in fat may affect the semen.
are therefore needed, more studies on the exact mechanism that causes this curious "heritage" that includes non-genetic, in addition to male offspring.
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