Entries for September, 2006

Weight Loss and Diabetes

Thursday, September 28th, 2006

Weight Loss and Diabetes Study Shows Positive Results

Weight Loss and Diabetes Study

Losing weight is the main factor in reducing the risk of diabetes for raised-risk, obese patients, a recent study suggests.

In brief, Weight Loss helps lower the risks of becoming a sufferer of Diabetes

Those taking part in the intensive lifestyle intervention part of the Diabetes mellitus Prevention Program, which involved cutting fat with the target of decreasing body weight by 7%, also decreased their chance of developing diabetes by 58 percent a period of 3 years, according to Dr. Richard F. Hamman at the scheme’s coordinating center at George Washington University in Rockville, Maryland, USA..

On the preliminary stages of the study all the people involved were heavier than doctors recommend and had a lowered ability to adequately metabolize glucose, giving them a high chance of becoming a sufferer of diabetes mellitus.

A further target of the intervention was to get those participating to do a small amount of exercise for at least two and a half hours weekly, the medical researchers add in their report published in the September 2006 issue of Diabetes Care Publication.

Doctor Hamman and his research team were trying to locate factors that were the most effective in lowering the probablility of developing diabetes, shedding weight, doing more physical exercise or reduced fat intake. Those participating cut their fat intake to less than 25% of their calories injested, and also reduced the total calorie consumption if their weight loss was not enough by just minimising the fat.

Weight loss was the most helpful factor in stopping development of diabetes, whilst reducing the fat and increasing exercise helped those involved reduce weight, and exercise helped them keep the weight off, the doctors stated.

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Cure for Type 1 Diabetes Gets Closer

Monday, September 18th, 2006

Pancreatic Transplant cures rats’ type 2 diabetes mellitus without need for antirejection medication : Sept. 12, 2006

A medical technique proven to cure a rat with type 1 or juvenile-onset diabetes mellitus was also effective for a rat of type 2, also known as adult-onset diabetes, according to a new report from doctors at Washington University School of Medicine in St. Louis.

Commenting on the possiblity of a cure for diabetes:

“Finding that we can cure type 2 diabetes in the same way is very significant because in humans type 2 diabetes is almost 20 times more prevalent than type 1 diabetes,” says senior author Marc R. Hammerman, M.D., the Chromalloy Professor of Renal Diseases in Medicine. “There are about 200 million type 2 diabetics worldwide, and the incidence is rapidly increasing.”

The technique in question transplants precursors of the pancreas from pig embryos. In a previous study, Hammerman and co-developer Sharon A. Rogers,proved that they were able to transplant the pancreatic cells in a way that lets them transform into healthy insulin producing cells that do not trigger attacks by the rats’ immune systems. This cured the rats’ diabetes without needing immunosuppressive drugs vital to prevent rejection in other transplant-based treatments. This is a major break though in the search for a cure for diabetes.

Hammerman and Rogers are leaders in the revolutionary field of organogenesis, which focuses on growing organs from stem cells and other embryonic cell clusters known as ‘organ primordia’. Unlike embryonic stem cells, which may transform into any cell type, primordia are locked into changing to cells of a exact organ.

Their system of diabetes treatment makes use of pancreatic primordia from pigs. In previous studies, they established that taking the primordia when the pigs were young caused them to be “invisible” to the immune defense system, meaning there was no need for immunosuppression medication.

In the latest study they transplanted the pig primordia into a strain of rat with a malady that closely resembles human type 2 diabetes.

The outcome was just the same - the diabetes was cured without needing immunosuppression drugs.

Although it is not yet time to state that this will lead to a cure for diabetes in humans, it is a enormous stride in the right direction.

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