Circulating Amyloid Beta 1-40 Is Associated with Increased Rate of Progression of Atherosclerosis in Menopause: A Prospective Cohort Study.

Thrombosis and Haemostasis
Irene LambrinoudakiKimon Stamatelopoulos

Abstract

 Accumulating evidence suggests that circulating amyloidβ 1-40 (Αβ1-40), a proatherogenic aging peptide, may serve as a novel biomarker in cardiovascular disease (CVD). We aimed to explore the role of plasma Αβ1-40 and its patterns of change over time in atherosclerosis progression in postmenopausal women, a population with substantial unrecognized CVD risk beyond traditional risk factors (TRFs).  In this prospective study, Αβ1-40 was measured in plasma by enzyme-linked immunosorbent assay and atherosclerosis was assessed using carotid high-resolution ultrasonography at baseline and after a median follow-up of 28.2 months in 152 postmenopausal women without history or symptoms of CVD.  At baseline, high Αβ1-40 was independently associated with higher carotid bulb intima-media thickness (cbIMT) and the sum of maximal wall thickness in all carotid sites (sumWT) (p < 0.05). Αβ1-40 levels increased over time and were associated with decreasing renal function (p < 0.05 for both). Women with a pattern of increasing or persistently high Αβ1-40 levels presented accelerated progression of cbIMT and maximum carotid wall thickness and sumWT (p < 0.05 for all) after adjustment for baseline Αβ1-40 levels, TRFs, and renal function.  In postm...Continue Reading

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Nov 12, 2021·Bioscience Trends·Siwei ZhangLing Wang

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