ArticleCirculation. Genomic and precision medicine2018
Loss-of-Function ABCC8 Mutations in Pulmonary Arterial Hypertension.
Article in Circulation. Genomic and precision medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.
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Who cites it
57 citing papers in PubMed, 78 citations in OpenAlex.
- Trial
- Genetic Determinants of Pulmonary Artery Size in over 50,000 Subjects with and without COPD.medRxiv : the preprint server for health sciences · 2026Article
- Expanding the genetic burden of low-evidence genes in pulmonary arterial hypertension.European journal of human genetics : EJHG · 2026Article
- Molecular-Genetic Basis of Pulmonary Arterial Hypertension (PAH).Current issues in molecular biology · 2026Review
- The Role of Genetics in Congenital Heart Disease-Associated Pulmonary Arterial Hypertension.Pediatric cardiology · 2026Observational
- The exquisite link between potassium homeostasis regulation and cardiovascular health: exploration and analysis.Frontiers in physiology · 2026Review
- Systemic Sclerosis Associated Pulmonary Arterial Hypertension with Venous Involvement - a Novel ABCC8 Pathogenic Variant.Arquivos brasileiros de cardiologia · 2026Article
- Gene and metabolite changes triggered by downregulation of JUNB and ZNF281 in idiopathic pulmonary arterial hypertension: potential mechanisms revealed by multi-omics study.Translational pediatrics · 2025Article
- Pathogenic variation in insulin resistance genes is common in polycystic ovary syndrome (PCOS): a strategy for causal gene discovery using whole-exome sequencing (WES) in complex traits.medRxiv : the preprint server for health sciences · 2025Article
- Genome-Wide Association Study of Atrial Fibrillation Recurrence After Radiofrequency Catheter Ablation in a Japanese Population.Journal of cardiovascular electrophysiology · 2025Article
- Bayliss-Starling Prize Lecture: KThe Journal of physiology · 2025Article
- Review
- Mechanisms and treatment of pulmonary arterial hypertension.Nature reviews. Cardiology · 2025Review
- Uncovering Candidate Genes Associated with Cardiovascular Disease in Patients with Arteriovenous Fistula and End-Stage Renal Disease.Cardiorenal medicine · 2025Article
- Precision Medicine for Pulmonary Vascular Disease: The Future Is Now (2023 Grover Conference Series).Pulmonary circulation · 2025Article
- Whole-exome sequencing reveals the genetic causes and modifiers of moyamoya syndrome.Scientific reports · 2024Article
- Seeing pulmonary hypertension through a paediatric lens: a viewpoint.The European respiratory journal · 2024Article
- Endothelial Function in Pulmonary Arterial Hypertension: From Bench to Bedside.Journal of clinical medicine · 2024Review
- Hemodynamic and Clinical Profiles of Pulmonary Arterial Hypertension Patients with GDF2 and BMPR2 Variants.International journal of molecular sciences · 2024Article
- Genetic variants of ABCC8 and clinical manifestations in eight Chinese children with hyperinsulinemic hypoglycemia.BMC endocrine disorders · 2024Article
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Authors and funding
50 authors at 1 institution in 1 country.
Funding
Abstract
backgroundIn pulmonary arterial hypertension (PAH), pathological changes in pulmonary arterioles progressively raise pulmonary artery pressure and increase pulmonary vascular resistance, leading to right heart failure and high mortality rates. Recently, the first potassium channelopathy in PAH, because of mutations in KCNK3, was identified as a genetic cause and pharmacological target.
methodsExome sequencing was performed to identify novel genes in a cohort of 99 pediatric and 134 adult-onset group I PAH patients. Novel rare variants in the gene identified were independently identified in a cohort of 680 adult-onset patients. Variants were expressed in COS cells and function assessed by patch-clamp and rubidium flux analysis.
resultsWe identified a de novo novel heterozygous predicted deleterious missense variant c.G2873A (p.R958H) in ABCC8 in a child with idiopathic PAH. We then evaluated all individuals in the original and a second cohort for rare or novel variants in ABCC8 and identified 11 additional heterozygous predicted damaging ABCC8 variants. ABCC8 encodes SUR1 (sulfonylurea receptor 1)-a regulatory subunit of the ATP-sensitive potassium channel. We observed loss of ATP-sensitive potassium channel function for all ABCC8 variants evaluated and pharmacological rescue of all channel currents in vitro by the SUR1 activator, diazoxide.
conclusionsNovel and rare missense variants in ABCC8 are associated with PAH. Identified ABCC8 mutations decreased ATP-sensitive potassium channel function, which was pharmacologically recovered.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.