Bioorg Med Chem Lett
Research Department, ConjuChem Inc., 225 President-Kennedy Ave., Suite 3950, Montréal, QC, Canada H2X 3Y8.
Published: October 2003
Atrial natriuretic peptide (ANP) is a clinically useful anti-hypertensive hormone. Maleimide derivatives of ANP have been synthesized and conjugated to cysteine-34 of human serum albumin. The conjugates were analyzed to assess their stability, receptor binding affinity and ability to stimulate guanylyl-cyclase activity in rat lung fibroblasts.
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http://dx.doi.org/10.1016/s0960-894x(03)00790-x | DOI Listing |
Circulation
January 2025
Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN (Y.N.V.R., A.T., M.M.R., B.A.B.).
Background: Plasma NT-proBNP (N-terminal pro-B-type natriuretic peptide) is commonly used to diagnose heart failure with preserved ejection fraction (HFpEF), but its diagnostic performance in the ambulatory/outpatient setting is unknown because previous studies lacked objective reference standards.
Methods: Among patients with chronic dyspnea, diagnosis of HFpEF or noncardiac dyspnea was determined conclusively by exercise catheterization in a derivation cohort (n=414), multicenter validation cohort 1 (n=560), validation cohort 2 (n=207), and a nonobese Japanese validation cohort 3 (n=77). Optimal NT-proBNP cut points for HFpEF rule out (optimizing sensitivity) and rule in (optimizing specificity) were derived and tested, stratified by obesity and atrial fibrillation.
Br J Hosp Med (Lond)
December 2024
Clinical Laboratory, Suzhou Kowloon Hospital Affiliated with Shanghai Jiaotong University School of Medicine, Suzhou, Jiangsu, China.
Chronic heart failure (CHF) is a complex clinical syndrome resulting from various cardiac diseases, characterized by weakened cardiac pumping capacity and inadequate blood supply to body tissues. This study aims to investigate the expression and clinical implications of pro-B-type natriuretic peptide (pro-BNP) and soluble suppression of tumorigenicity 2 (sST2) in CHF to explore their potential in early diagnosis and severity assessment of the pathological condition. This study included 146 CHF patients treated at our hospital from January 2022 to December 2023, who were classified in the observation group, and 150 concurrent healthy people categorized in the control group.
View Article and Find Full Text PDFEur Heart J Imaging Methods Pract
January 2025
Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico 155, Rome 00161, Italy.
Aims: Outcome in pulmonary arterial hypertension (PAH) is determined by right ventricular (RV) function adaptation to increased afterload. Echocardiography is easily available to assist bedside evaluation of the RV. However, no agreement exists about the feasibility and most relevant measurements.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Clinical Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
We investigated the impact of trimetazidine treatment on left ventricular (LV) functions and cardiac biomarkers in diabetic patients with diastolic dysfunction as an early stage of diabetic cardiomyopathy. Sixty-three patients were randomly assigned to receive either trimetazidine or a placebo for 3 months. At baseline and after 3-months of treatment, measurements of serum levels of glycemic control parameters, lipid profile, tumor necrosis factor alpha, transforming growth factor beta 1, n-terminal pro brain natriuretic peptide and assessment of modified Medical Research Council (mMRC) dyspnea score, echocardiographic indices of LV functions and LV global longitudinal strain (GLS) were performed.
View Article and Find Full Text PDFNat Commun
January 2025
Interfakultäres Institut für Biochemie, University of Tübingen, Tübingen, Germany.
A balanced activity of cGMP signaling contributes to the maintenance of cardiovascular homeostasis. Vascular smooth muscle cells (VSMCs) can generate cGMP via three ligand-activated guanylyl cyclases, the NO-sensitive guanylyl cyclase, the atrial natriuretic peptide (ANP)-activated GC-A, and the C-type natriuretic peptide (CNP)-stimulated GC-B. Here, we study natriuretic peptide signaling in murine VSMCs and atherosclerotic lesions.
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