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Abstract Prostate cancer is the second leading cause of cancer related deaths among men in the United States. Health disparities in men diagnosed with prostate cancer are observed between patients of African and those of European ancestry. To elucidate molecular mechanisms behind prostate tumorigenesis and racial disparities, researchers have identified genetic alterations such as gene fusions, deletions, and mutations that occur at varying frequencies among different ethnic groups. However, results are inconsistent across studies, suggesting that racial disparities may be multifactorial. Our approach to further understand the mechanisms underlying racial disparities is to compare DNA methylation profiles between cancers from different ethnic groups using formalin-fixed paraffin-embedded (FFPE) prostate cancer tissue samples. For this study, FFPE prostate cancer specimens from 32 Black men and 30 age-matched White men were obtained in the form of tissue sections on glass slides. To profile DNA methylation in these samples, tumor and normal tissue regions (in a subset of cases) were outlined on a hematoxylin Part 1 (Regular Abstracts) ; 2024 Apr 5-10; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2024;84 (6Suppl): Abstract nr 7028.
Stensrud et al. (2024) studied this question.
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