Striated muscle cells and storage granules observed in the atria were found in main branches of the pulmonary veins and superior and inferior venae cavae of the rat, pig, and ox. The presence of atrial natriuretic polypeptide (ANP) in these veins was examined by reverse-phase high-performance liquid chromatography coupled with a radioimmunoassay for ANP. The veins contained 0.6 to 8.0 ng ANP/mg wet tissue with the major molecular form being gamma-ANP. ANP was detected in the peripheral lung tissue in a small quantity, but was not detected in the pulmonary artery. The identification of gamma-ANP and storage granules stained with an anti-ANP antiserum in the pulmonary vein and vena cava suggest that the veins may participate in regulating volume status, blood pressure, and cardiovascular homeostasis through the release of ANP.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/0006-291x(87)90814-x | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Angiographic Characterization and Sex-Related Anatomical Differences of Atrial Coronary Arteries Anatomy-A Proposal of Systematic Classification.
Catheter Cardiovasc Interv
January 2025
Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands.
Background: The coronary atrial circulation is the network of vessels that supply blood to the atria, originating from the left circumflex and right coronary arteries. Current descriptions of this arterial system are based on anatomical studies with a limited number of patients, predominantly male. In addition, there is a lack of consensus its angiographic nomenclature.
View Article and Find Full Text PDFPrevalence and predictors of left atrial thrombus in patients with rheumatic atrial fibrillation undergoing cardiac surgery: a cross-sectional study.
BMC Cardiovasc Disord
January 2025
Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, Shanghai, China.
Background: Unlike non-rheumatic atrial fibrillation (AF), where left atrial thrombus (LAT) is predominantly confined to the left atrial appendage (LAA), a significant proportion of LAT in rheumatic AF occurs within the left atrial cavity (LAC). However, LAC thrombosis in rheumatic AF has not been extensively studied. This study aimed to evaluate the prevalence of LAT and its subtypes and identify potential predictors of LAT.
View Article and Find Full Text PDFA novel sequential endocardial mapping strategy for locating atrial fibrillation sources based on repetitive conduction patterns: An in-silico study.
J Mol Cell Cardiol Plus
March 2024
Department of Physiology, Maastricht University, Universiteitssingel 50, Maastricht 6229ER, Netherlands.
Background: In persistent atrial fibrillation (AF), localized extra-pulmonary vein sources may contribute to arrhythmia recurrences after pulmonary vein isolation. This in-silico study proposes a high-density sequential mapping strategy to localize such sources.
Method: Catheter repositioning was guided by repetitive conduction patterns, moving against the prevailing conduction direction (upstream) toward the sources.
Myocardial bridging resulting in an atypical acute coronary syndrome in a young athlete: a case report.
Eur Heart J Case Rep
January 2025
Service de Cardiologie, Hôpital Trousseau, CHU de Tours, Avenue de la République, 37170 Chambray-Les-Tours, France.
Background: Myocardial bridging (MB) is considered a frequent and benign condition. However, some patients may experience symptoms. The recent ESC guidelines on sports participation provide guidance on the management of these symptomatic patients with MB but do not provide guidance in the presence of another cardiac pathology.
View Article and Find Full Text PDFObjective: The study aimed to define atrial fibrillation frequency in endometrial cancer patients, identify risk factors, and propose preventive steps for early detection and treatment leading to decreasing cardiovascular risk. Secondly, we aimed to highlight this topic by presenting a systematic literature review.
Methodology: Retrospective analysis of endometrial cancer patients treated at the Department of Gynecology and Obstetrics at University Hospital Brno between 2006 and 2023 complemented by a systematic literature review.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!