@article {7816,
	title = {DNA methylation age is associated with an altered hemostatic profile in a multi-ethnic meta-analysis.},
	journal = {Blood},
	year = {2018},
	month = {2018 Jul 24},
	abstract = {<p>Many hemostatic factors are associated with age and age-related diseases, however much remains unknown about the biological mechanisms linking aging and hemostatic factors. DNA methylation is a novel means by which to assess epigenetic aging, which is a measure of age and the aging processes as determined by altered epigenetic states. We used a meta-analysis approach to examine the association between measures of epigenetic aging and hemostatic factors, as well as a clotting time measure. For fibrinogen, we used European and African-ancestry participants who were meta-analyzed separately and combined via a random effects meta-analysis. All other measures only included participants of European-ancestry. We found that 1-year higher extrinsic epigenetic age as compared to chronological age was associated with higher fibrinogen (0.004 g/L per year; 95\% CI: 0.001, 0.007; P = 0.01) and plasminogen activator inhibitor 1 (PAI-1; 0.13 U/mL per year; 95\% CI: 0.07, 0.20; P = 6.6x10-5) concentrations as well as lower activated partial thromboplastin time, a measure of clotting time. We replicated PAI-1 associations using an independent cohort. To further elucidate potential functional mechanisms we associated epigenetic aging with expression levels of the PAI-1 protein encoding gene (SERPINE1) and the three fibrinogen subunit-encoding genes (FGA, FGG, and FGB), in both peripheral blood and aorta intima-media samples. We observed associations between accelerated epigenetic aging and transcription of FGG in both tissues. Collectively, our results indicate that accelerated epigenetic aging is associated with a pro-coagulation hemostatic profile, and that epigenetic aging may regulate hemostasis in part via gene transcription.</p>},
	issn = {1528-0020},
	doi = {10.1182/blood-2018-02-831347},
	author = {Ward-Caviness, Cavin K and Huffman, Jennifer E and Evertt, Karl and Germain, Marine and van Dongen, Jenny and Hill, W David and Jhun, Min A and Brody, Jennifer A and Ghanbari, Mohsen and Du, Lei and Roetker, Nicholas S and de Vries, Paul S and Waldenberger, Melanie and Gieger, Christian and Wolf, Petra and Prokisch, Holger and Koenig, Wolfgang and O{\textquoteright}Donnell, Christopher J and Levy, Daniel and Liu, Chunyu and Truong, Vinh and Wells, Philip S and Tr{\'e}gou{\"e}t, David-Alexandre and Tang, Weihong and Morrison, Alanna C and Boerwinkle, Eric and Wiggins, Kerri L and McKnight, Barbara and Guo, Xiuqing and Psaty, Bruce M and Sotoodenia, Nona and Boomsa, Dorret I and Willemsen, Gonneke and Ligthart, Lannie and Deary, Ian J and Zhao, Wei and Ware, Erin B and Kardia, Sharon L R and van Meurs, Joyce B J and Uitterlinden, Andr{\'e} G and Franco, Oscar H and Eriksson, Per and Franco-Cereceda, Anders and Pankow, James S and Johnson, Andrew D and Gagnon, France and Morange, Pierre-Emmanuel and de Geus, Eco J C and Starr, John M and Smith, Jennifer A and Dehghan, Abbas and Bj{\"o}rck, Hanna M and Smith, Nicholas L and Peters, Annette}
}
