Background: Genetic factors play an important role in prostate cancer (PCa) susceptibility.
Objective: To discover common genetic variants contributing to the risk of PCa in men of African ancestry.
Design, Setting, And Participants: We conducted a meta-analysis of ten genome-wide association studies consisting of 19378 cases and 61620 controls of African ancestry.
Fixed drug eruptions (FDE) are typically associated with residual hyperpigmentation or non-pigmenting lesions. There is no distinctive histopathological feature; though, drug provocation tests (DPT) can be confirmatory within 7 days. We describe a patient with penile FDE associated with residual hypopigmentation, a prolonged refractory period to DPT and recurrent meatal stenosis.
View Article and Find Full Text PDFBackground: Genome-wide association studies do not always replicate well across populations, limiting the generalizability of polygenic risk scores (PRS). Despite higher incidence and mortality rates of prostate cancer in men of African descent, much of what is known about cancer genetics comes from populations of European descent. To understand how well genetic predictions perform in different populations, we evaluated test characteristics of PRS from three previous studies using data from the UK Biobank and a novel dataset of 1298 prostate cancer cases and 1333 controls from Ghana, Nigeria, Senegal, and South Africa.
View Article and Find Full Text PDFBackground: We recently developed a multi-ancestry polygenic risk score (PRS) that effectively stratifies prostate cancer risk across populations. In this study, we validated the performance of the PRS in the multi-ancestry Million Veteran Program and additional independent studies.
Methods: Within each ancestry population, the association of PRS with prostate cancer risk was evaluated separately in each case-control study and then combined in a fixed-effects inverse-variance-weighted meta-analysis.