• J. Investig. Med. · Jun 2019

    Pregnancy-associated plasma protein-a is associated with subclinical atherosclerosis in men with HIV infection.

    • Suleyman Sezai Yildiz, Sukru Cetin, Kudret Keskin, Alper Gunduz, Gokhan Cetinkal, Goncagul Bulbun, Serhat Sigirci, Saadet Pilten, and Kadriye Orta Kilickesmez.
    • Cardiology, University of Health Science, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
    • J. Investig. Med. 2019 Jun 1; 67 (5): 821-825.

    AbstractThe pathophysiology of an early and accelerated atherosclerotic process is complex and multifactorial in HIV-infected men compared with HIV-non-infected men. Several biomarkers have been well studied in the detection of the early stage of atherosclerosis, but studies are limited in HIV-infected men. The objective of this study was to investigate the association between serum pregnancy-associated plasma protein-A (PAPP-A) and carotid intima-media wall thickness (CIMT) in asymptomatic HIV-infected men. This a case-control study group comprising 118 HIV-infected men and 60 age-matched and gender-matched HIV-non-infected men. Serum PAPP-A was measured using an ELISA kit and carotid IMT was evaluated by Doppler ultrasonography in all subjects. Statistical analysis included receiver-operating characteristic (ROC) analysis, Pearson correlation and logistic regression analysis. Serum PAPP-A level was significantly higher in HIV +CIMT+ group compared with HIV +CIMT group and HIV-CIMT- group. We found a positive correlation between PAPP-A and increased CIMT (r=0.737, p<0.0001), and a negative correlation between nadir CD4 T cell counts and increased CIMT (r=-0.526, p<0.001). In multivariate logistic regression analyses, PAPP-A, nadir CD4 T cell count and age were significantly associated with subclinical atherosclerosis (p<0.001, p=0.006 and p=0.032, respectively). In ROC analysis, PAPP-A levels of >3.70 µg/mL were associated with subclinical atherosclerosis in HIV+ men with a specificity of 100% and a sensitivity of 71% (area under the curve: 0.949, 95% CI 0.875 to 1.000, p<0.001). Serum PAPP-A level was strongly correlated with increased CIMT in HIV-infected men. PAPP-A might be used as an early biomarker to identify atherosclerosis in asymptomatic HIV-infected men.© American Federation for Medical Research 2019. No commercial re-use. See rights and permissions. Published by BMJ.

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