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Athens, Georgia 30602


Our greatest public health challenge is obesity and the co-morbidities of metabolic syndrome (MetS). Age is an established risk factor for MetS and specific to women, data indicates that the prevalence of MetS increases substantially with the menopausal transition with postmenopausal women having a 60% increased risk of MetS. Menopause also contributes to reductions in strength, physical function and often psychological well-being (e.g. fatigue). Obese individuals also have: a) impaired immune function and chronic inflammatory responses associated with changes in the white blood cell population in blood and fat tissues; and, b) increased secretion of and signaling by proteins in their fat cells. Weight loss, which requires an energy deficit through increased physical activity and/or caloric restriction (EX+CR), reduces risk for MetS in older sedentary obese women by reducing insulin resistance and chronic systemic inflammation. Science and clinical practice will be advanced by examining the molecular mechanisms by which EX+CR affects risk for MetS in older women. The primary aim is to determine if CD4+ T cells will report the differential epigenetic reprogramming of relevant gene expression associated with metabolic indices resulting from EX+CR induced weight loss in older women known to be at risk for MetS. This pilot data will be used to generate an NIH proposal of the same topic. A secondary aim is to assess the impact of weight loss on physical function and psychological well-being which will provide pilot data for an additional grant proposal regarding weight management in postmenopausal women.


Inclusion Criteria: 1. Volunteer for the study 2. Age between 50 and 64 years 3. Self-identified as White or Caucasian 4. Postmenopausal 5. Sedentary (less than 1 hour each week of planned physical activity and sedentary job) 6. BMI range >/= 25 kg/m2 7. Waist circumference >88cm 8. Weight stable (within 2 kg) for 6 months 9. All allowable medications stable for 3 months 10. Live independently 11. Willing and able to obtain transportation to and from lab sessions 12. Obtains physician clearance to participate in the study Exclusion Criteria: 1. Tobacco use 2. Normal weight (BMI < 25 kg/m2) 3. Males 4. Dietary restrictions that do not allow for the consumption of beef, as required by our dietary protocol 5. Weight loss surgery and/or weight loss medications usage 6. Mini-mental state exam score < 25 7. Recent or history of unstable CVD 8. Cancer treatment within the last 5 years or active cancer 9. History of lung disease or COPD or severe asthma 10. History or severe arthritis or other medical condition that precludes ability to exercise to level needed by study. 11. Current diagnosis or history of balance disorders 12. History of mental disorders, dementia, clinical depression or other disorders that preclude adherence to protocols. 13. Current weight of 350 pounds or greater, due to weight restrictions on equipment.



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Athens, Georgia 30602
United States

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Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: November 18, 2019

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