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Whole Genome Sequence Analysis Of Platelet Traits In The Nhlbi Trans-Omics For Precision Medicine Initiative, Amarise Little, Yao Hu, Quan Sun, Deepti Jain, Jai G. Broome, Ming-Huei Chen, Florian Thibord, Caitlin Mchugh, John Blangero, Joanne E. Curran
Whole Genome Sequence Analysis Of Platelet Traits In The Nhlbi Trans-Omics For Precision Medicine Initiative, Amarise Little, Yao Hu, Quan Sun, Deepti Jain, Jai G. Broome, Ming-Huei Chen, Florian Thibord, Caitlin Mchugh, John Blangero, Joanne E. Curran
School of Medicine Publications and Presentations
Platelets play a key role in thrombosis and hemostasis. Platelet count (PLT) and mean platelet volume (MPV) are highly heritable quantitative traits, with hundreds of genetic signals previously identified, mostly in European ancestry populations. We here utilize whole genome sequencing from NHLBI's Trans-Omics for Precision Medicine Initiative (TOPMed) in a large multi-ethnic sample to further explore common and rare variation contributing to PLT (n = 61 200) and MPV (n = 23 485). We identified and replicated secondary signals at MPL (rs532784633) and PECAM1 (rs73345162), both more common in African ancestry populations. We also observed rare variation in Mendelian platelet …
Epigenetic Age Acceleration Assessed With Human White-Matter Images, Karen Hodgson, Melanie A. Carless, Hemant Kulkarni, Joanne E. Curran, Emma Sprooten, Emma E. Knowles, Samuel R. Mathias, Harald H. H. Goring, Nailin Yao, Rene L. Olvera, Laura Almasy, Ravindranath Duggirala, John Blangero, David C. Glahn
Epigenetic Age Acceleration Assessed With Human White-Matter Images, Karen Hodgson, Melanie A. Carless, Hemant Kulkarni, Joanne E. Curran, Emma Sprooten, Emma E. Knowles, Samuel R. Mathias, Harald H. H. Goring, Nailin Yao, Rene L. Olvera, Laura Almasy, Ravindranath Duggirala, John Blangero, David C. Glahn
School of Medicine Publications and Presentations
The accurate estimation of age using methylation data has proved a useful and heritable biomarker, with acceleration in epigenetic age predicting a number of age-related phenotypes. Measures of white matter integrity in the brain are also heritable and highly sensitive to both normal and pathological aging processes across adulthood. We consider the phenotypic and genetic interrelationships between epigenetic age acceleration and white matter integrity in humans. Our goal was to investigate processes that underlie interindividual variability in age-related changes in the brain. Using blood taken from a Mexican-American extended pedigree sample (n = 628; age = 23.28-93.11 years), epigenetic …