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Association of endothelial nitric oxide synthase (NOS3) rs2070744 variant with advanced retinopathy of prematurity: a case-control study and meta-analysis.
Sci Rep
January 2025
Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, Poznan, 60-479, Poland.
Despite advances in neonatal and ophthalmological care, retinopathy of prematurity (ROP) continues to be a leading cause of childhood blindness worldwide. Investigating gene variants associated with vascular responses in ROP may provide valuable insights into its pathogenesis and identify risk or protective factors. Nitric oxide (NO) and endothelin-1 (ET-1) play roles in vascular regulation, influencing processes relevant to ROP development.
View Article and Find Full Text PDFThe dual endothelin A and angiotensin II type 1 receptor antagonist sparsentan (FILSPARI®) exhibits a safe nonclinical male fertility toxicity profile.
Regul Toxicol Pharmacol
December 2024
Division of Nephrology, University of Utah Health, Salt Lake City, UT, USA.
Marketed endothelin receptor antagonists (ERAs) have been associated with testicular tubular atrophy and decreases in male animal fertility in chronic toxicity studies in rats and dogs. Consistent with these findings, reduced sperm count has been observed in the clinical setting and is considered a potential class risk with chronic administration of ERAs. In contrast, no such effects on male animal fertility are noted with angiotensin II type 1 receptor blocker (ARB) treatment.
View Article and Find Full Text PDFPathway to care, treatment and disease burden of pulmonary arterial hypertension: a real-world survey of physicians and patients in Latin America.
BMJ Open
December 2024
Clinical Research Department, Ignacio Chávez National Heart Institute, Mexico City, Mexico
Objectives: To investigate clinical characteristics, symptom profile, testing practices, treatment patterns and quality of life (QoL) among patients with pulmonary arterial hypertension (PAH) in Latin America.
Design: Data from the Adelphi Real World PAH Disease Specific Programme, a cross-sectional survey with retrospective data collection.
Setting: University/teaching hospital, regional centres, private practices and government institutions in Argentina, Brazil, Colombia and Mexico.
Biomarkers of success of anti-PD-(L)1 immunotherapy for non-small cell lung cancer derived from RNA- and whole-exome sequencing: results of a prospective observational study on a cohort of 85 patients.
Front Immunol
December 2024
Institute of Personalized Oncology, I.M. Sechenov First Moscow State Medical University, Moscow, Russia.
Background: Immune checkpoint inhibitors (ICIs) treatment have shown high efficacy for about 15 cancer types. However, this therapy is only effective in 20-30% of cancer patients. Thus, the precise biomarkers of ICI response are an urgent need.
View Article and Find Full Text PDFAbsence of Functional Autoantibodies Targeting Angiotensin II Type 1 Receptor (ATR) and Endothelin-1 Type A Receptor (ETR) in Circulation and Purified IgG from Patients with Systemic Sclerosis.
Arthritis Rheumatol
December 2024
Department of Rheumatology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands.
Objective: Systemic sclerosis (SSc) is a rare but severe autoimmune disease characterized by immune dysregulation, fibrosis, and vasculopathy. While previous studies have highlighted the presence of functional autoantibodies targeting the angiotensin II type 1 receptor (ATR) and endothelin-1 type A receptor (ETR), leading to autoantibody-mediated receptor stimulation and subsequent activation of endothelial cells (ECs), a comprehensive understanding of the direct interaction between these autoantibodies and their receptors is currently lacking. Moreover, existing data confirming the presence of these autoantibodies in SSc often rely on similar methodologies and assays.
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