UCLA researchers identify markers that may predict diabetes in still-heal...(his is a final confirmation of earlier s...),Health

Date:8/14/2007

his is a final confirmation of earlier studies about the underlying biology behind type 2 diabetes, said Liu, who is also a member of the UCLA Jonsson Comprehensive Cancer Center. But those studies, he said, were either very small or animal studies. By comparison, he said, their study was more extensive in scale and involved human study volunteers. Our study identified 1,600 new cases of diabetes and measured the blood markers before they developed the disease.

The researchers took advantage of the Womens Health Initiative Observational Study (WHIOS), an ongoing, long term study that was designed to examine the association between behavior, socioeconomic status, diet, and other factors and the effect on a womans health. Liu and colleagues took baseline level measurements of inflammatory cytokines in apparently healthy women without any signs of diabetes who were between the ages of 50 and 79 years-old, then tracked their health for the next six years. The WHIOS study involved some 82,000 postmenopausal women who cut across multiple ethnicities, including whites, blacks, Hispanics, and Asian/Pacific Islanders. At the time of follow-up, Liu and colleagues compared 1,584 women, now diagnosed with type 2 diabetes, and matched them by age, ethnicity and other factors to 2,198 other women in the study who remained free of the disease.

While all three cytokines were found to be significantly related to an increased risk of clinical diabetes, hs-CRP appeared to be a more consistent predictor of increased risk in all four ethnic groups. These associations were independent of traditional risk factors such as obesity or elevated levels of glucose and insulin, previously reported by Liu and colleagues in the same multiethnic sample.

The pro-inflammatory state is often linked to obesity, said Liu, which can lead to insulin resistance. So, identifying these markers by a simple blood test well before a disease begins not only can help improve mechanist
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Contact: Mark Wheeler mwheeler@mednet.ucla.edu 310-794-2265 University of California - Los Angeles Source:Eurekalert

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