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Lifestyle and Health
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An intensive nutrition and lifestyle intervention can change gene expression in men Epidemiological studies indicate that prostate cancer is much lower in parts of the world where people eat a lower-fat and plant-based diet. Lifestyle changes may modify the progression of prostate cancer. The prostate-specific antigen (PSA) is decreased in men with early-stage prostate cancer that changed diet and lifestyle intervention. The team of Dean Ornish conducted a study to examine changes in gene expression of men with low-risk prostate cancer who declined immediate surgery or hormonal therapy. The participants altered intensive nutrition and lifestyle habits. After 3 months they showed significant improvements in weight, abdominal obesity, blood pressure and lipid profile. RNA samples were checked with quantitative real-time PCR. Significant differences were found for genes with roles in tumorigenesis, protein metabolism, intracellular protein traffic and protein phosphorylation. After the intervention, 48 genes were up-regulated and over 450 were down-regulated. An improvement of habits can alter cellular response. A better knowledge of molecular mechanisms advance preventions and treatment for complex diseases.
For further information Lifestyle intervention and protate cancer Your lifestyle, your genes and cancer
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