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Article

NOS1AP polymorphisms reduce NOS1 activity and interact with prolonged repolarization in arrhythmogenesis.

Cardiovascular research - 21 Jan 2021

Ronchi Carlotta, Bernardi Joyce, Mura Manuela, Stefanello Manuela, Badone Beatrice, Rocchetti Marcella, Crotti Lia, Brink Paul, Schwartz Peter J, Gnecchi Massimiliano, Zaza Antonio

Abstract excerpt

AIMS: NOS1AP single-nucleotide polymorphisms (SNPs) correlate with QT prolongation and cardiac sudden death in patients affected by long QT syndrome type 1 (LQT1). NOS1AP targets NOS1 to intracellular effectors. We hypothesize that NOS1AP SNPs cause NOS1 dysfunction and this may converge with prolonged action-potential duration (APD) to facilitate arrhythmias. Here we test (i) the effects of NOS1 inhibition and...

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Identifiers

PMID: 32061134
DOI: 10.1093/cvr/cvaa036
PMCID: PMC7820868

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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