Context: Insulin resistance has been detected in a majority of patients with polycystic ovary syndrome (PCOS). Elevated neprilysin levels are associated with insulin resistance.
Objective: The present study aims to investigate plasma neprilysin and its relationship with endocrine and metabolic characteristics in patients with PCOS.
Subjects And Methods: Thirty-five premenopausal PCOS patients and 35 healthy volunteers of similar age were included in the study. Demographic characteristics, biochemical and hormonal findings and also plasma neprilysin levels were determined in these patients and healthy controls.
Results: In our study, HOMA-IR values were significantly higher in PCOS patients (3.3 ± 1.8) compared with the controls [(1.6 ± 1), p<0.01]. Plasma neprilysin levels were significantly higher in the PCOS group compared to the control group (1502.1 ± 1641.2 . 764.6 ± 562.6 pg/mL). There was no difference in plasma neprilysin levels when PCOS patients were classified as overweight-obesity (BMI≥25kg/m) or non-obesity (BMI<25kg/m).
Conclusion: Our findings revealed significantly higher levels for plasma neprilysin and HOMA-IR values in PCOS patients when compared to controls. No significant differences were noted between obese PCOS patients and non-obese PCOS patients in terms of plasma neprilysin levels.
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http://dx.doi.org/10.4183/aeb.2022.35 | DOI Listing |
Diabetol Int
January 2025
First Department of Medicine, Wakayama Medical University, 811‑1 Kimi‑idera, Wakayama, 641‑8509 Japan.
Sacubitril/valsartan, an angiotensin receptor neprilysin inhibitor (ARNI), is becoming more common in the treatment of heart failure and hypertension. Neprilysin is highly expressed in the renal tubules, and reports have shown increases in urinary C-peptide reactivity (CPR) levels after administration of ARNI. However, the effect of ARNI on serum CPR levels, a critical marker of insulin secretion in diabetes, remains underexplored.
View Article and Find Full Text PDFNaunyn Schmiedebergs Arch Pharmacol
January 2025
Department of Physiology, College of Medicine, King Saud University, 12271, Riyadh, Saudi Arabia.
Ischemia-reperfusion injury (IRI) is a common pathogenic situation that arises throughout all liver surgeries, including liver transplants. We aimed to compare the preventive effects of valsartan (VST) against valsartan + sacubitril (LCZ696) on hepatic injury caused by IRI. A total of thirty-six male Westar albino rats were split into six groups randomly: sham, IRI, VST + IRI, LCZ696 + IRI, VST, and LCZ696.
View Article and Find Full Text PDFESC Heart Fail
December 2024
Division of Cardiology, Department of Medicine, Mazankowski Alberta Heart Institute, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada.
Ren Fail
December 2024
Department of Nephrology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.
Background: Whether angiotensin receptor-neprilysin inhibitor (ARNI) can reduce the incidence of cardiovascular events and improve peritoneal function in peritoneal dialysis (PD) patients remains unclear. Thus, this study aims to clarify the role of ARNI in PD patients.
Methods: This was a multicenter retrospective study.
J Am Heart Assoc
December 2024
Department of Medicine Christchurch Heart Institute, University of Otago-Christchurch Christchurch New Zealand.
Background: LCZ696 (sacubitril/valsartan) antagonizes the renin-angiotensin system while simultaneously augmenting the natriuretic peptides (NPs). Inhibition of phosphodiesterase 9 inhibition (PDE9i), which hydrolyses NP-generated cGMP may be a more specific means of enhancing NP bioactivity. The objective of the present study was to compare for the first time effects of LCZ696 and PDE9i+valsartan in experimental heart failure (HF) and investigate combination PDE9i+LCZ696.
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