Among men in 2 cohort studies, hematologic loss of chromosome Y was associated with higher risk of incident #AbdominalAorticAneurysm but not #ThoracicAorticAneurysm. ja.ma/4d5PMcY

Among men in 2 cohort studies, hematologic loss of chromosome Y was associated with higher risk of incident #AbdominalAorticAneurysm but not #ThoracicAorticAneurysm. ja.ma/4d5PMcY
Loss of Y chromosome is associated with ⬆️risk of #AAA #AbdominalAorticAneurysm but Not #TAA #ThoracicAorticAneurysm
LOY was measured in blood cells
#UKBiobank
N=221k, 13.5 y f/up
#MassGeneralBrighamBiobank
N=14k
#AortaEd
@mariebillaud.bsky.social #JAMACardio 2026
jamanetwork.com/journals/jam...
Phototype variation reveals systemic biology.
#SunburnSusceptibility and #ThoracicAorticAneurysm are driven by pigmentation and tanning response genetics, with exploratory links to matrix turnover, intracellular trafficking, & vascular remodeling.
#CVIA #OpenAccess: cvia-journal.org/genetic-driv...