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    The Effect of Smoking on Endothelial Dysfunction in Autosomal Dominant Polycystic Kidney Disease Patients with Preserved Renal Function
    (TAYLOR \& FRANCIS LTD, 2021-01-01) Gul, Cuma Bulent; Yildiz, Abdulmecit; Sag, Saim; Oruc, Aysegul; Ersoy, Alparslan; Gullulu, Sumeyye
    Background In autosomal dominant polycystic kidney disease (ADPKD), endothelial dysfunction (ED) is common and occurs much earlier than kidney function impairment. The impact of smoking on ED in ADPKD patients has not been previously studied. The aim of this study was to investigate the potential contribution of smoking habits to ED and subclinical atherosclerosis in these patients. Methods This case-control study included 54 ADPKD patients with preserved renal function and 45 healthy control subjects. ED was assessed using ischemia-induced forearm flow-mediated dilatation (FMD). Carotid intima-media thickness (CIMT) was measured from 10 mm proximal to the right common carotid artery. Clinical demographic characteristics and laboratory data were recorded for the patients and control group. Regression analysis was used to determine independent associations of ED and CIMT. Results FMD was significantly lower in the ADPKD patients (19.5 +/- 5.63 vs. 16.56 +/- 6.41, p = .018). Compared with nonsmoker ADPKD patients, smoker patients had significantly lower FMD values (18.19 +/- 6.52 vs. 13.79 +/- 5.27, p = .013). In multiple regression analysis, age (beta = -0.294, 95\% CI: -0.392: -1.96, p = .001) for FMD and smoking (beta = 1.328, 95\% CI: 0.251, 2.404, p = .017) for CIMT were independent predictors. Conclusions Patients with ADPKD had more impaired endothelial function and subclinical atherosclerosis compared with control subjects. Smoking may increase the risk of subclinical atherosclerosis in ADPKD patients.
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    Cigarette Smoking Increases Pregnancy-associated Plasma Protein-A in Men
    (UNIV WEST INDIES FACULTY MEDICAL SCIENCES, 2017-01-01) Coskun, A.; Bulut, I.; Serteser, M.; Eren, A.; Ozseker, Z. F.; Cuhadaroglu, C.; Aksungar, F. B.; Ozpinar, A.; Can, O.; Yakar I, H.; Unsal, I.
    Objective: Elevation of pregnancy-associated plasma protein-A (PAPP-A), a pro-atherosclerotic molecule, has been shown to be an independent risk factor for acute coronary syndrome. Smoking is also an important risk factor for acute coronary syndrome (ACS). However, the molecular mechanism of this relationship is not clear. In the present study, we aimed to determine the association between smoking and serum PAPP-A levels in men and non-pregnant women. Method: The study population consisted of 112 smokers and 58 age-matched non-smoking healthy subjects as a control group. Blood samples were drawn from the antecubital vein of all subjects and serum PAPP-A levels were measured using an ELISA kit (ultrasensitive ELISA). Results: The serum PAPP-A level was significantly high in male smokers (smokers: 9.11 ng/mL (3.10 ng/mL, 18.55 ng/mL))