{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T15:30:29Z","timestamp":1790523029070,"version":"4.1.0"},"reference-count":31,"publisher":"Portland Press Ltd.","issue":"7","license":[{"start":{"date-parts":[[2019,9,19]],"date-time":"2019-09-19T00:00:00Z","timestamp":1568851200000},"content-version":"vor","delay-in-days":80,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["portlandpress.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2019,7,31]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Background: Previous studies have found that hydrogen sulfide (H2S) has multiple functions such as anti-inflammatory, antioxidative in addition to biological effects\u00a0among\u00a0the\u00a0various\u00a0organs. Exaggerated proliferation and resistance to apoptosis of pulmonary artery smooth muscle cells (PASMCs) is a key component of vascular remodeling. We hypothesized that endogenous bioactive molecular known to suppress endoplasmic reticulum (ER) stress signaling, like H2S, will inhibit the disruption of the ER-mitochondrial unit and prevent\/reverse pulmonary arterial hypertension (PAH).<\/jats:p>\n                  <jats:p>Methods and results: A hypoxic model was established with PASMCs to investigate the possible role of H2S in PAH. Effects of H2S on proliferation of PASMCs were evaluated by CCK-8 and EdU assay treated with or without GYY4137 (donor of H2S). H2S significantly inhibited hypoxia-induced increase in PASMCs proliferation in a dose-dependent manner. H2S by intraperitoneal injection with rats both prevented and reversed chronic hypoxia-induced pulmonary hypertension in rats, decreasing pulmonary vascular resistance, pulmonary artery remodeling and right ventricular hypertrophy, and improving functional capacity without affecting systemic hemodynamic. Exogenous H2S suppressed ER stress indexes in vivo and in vitro, decreased activating transcription factor 6 activation, and inhibited the hypoxia-induced decrease in mitochondrial calcium and mitochondrial function.<\/jats:p>\n                  <jats:p>Conclusion: H2S effectively inhibits hypoxia-induced increase in cell proliferation, migration, and oxidative stress in PASMCs, and NOX-4 might be the underlying mechanism of PAH. Attenuating ER stress with exogenous H2S may be a novel therapeutic strategy in pulmonary hypertension with high translational potential.<\/jats:p>","DOI":"10.1042\/bsr20190304","type":"journal-article","created":{"date-parts":[[2019,6,25]],"date-time":"2019-06-25T12:45:11Z","timestamp":1561466711000},"update-policy":"https:\/\/doi.org\/10.1042\/crossmark_policy","source":"Crossref","is-referenced-by-count":50,"title":["H2S attenuates endoplasmic reticulum stress in hypoxia-induced pulmonary artery hypertension"],"prefix":"10.1042","volume":"39","author":[{"given":"Jianjun","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"},{"name":"The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weili","family":"Pan","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"},{"name":"The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chao","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Xing","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingbo","family":"Hou","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shaohong","family":"Fang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"},{"name":"The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hulun","family":"Li","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4676-3778","authenticated-orcid":false,"given":"Fan","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"},{"name":"The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo","family":"Yu","sequence":"additional","affiliation":[{"name":"Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Province Heilongjiang, China"},{"name":"The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, Province Heilongjiang, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"288","published-online":{"date-parts":[[2019,7,8]]},"reference":[{"key":"2021111619440754900_B1","doi-asserted-by":"publisher","first-page":"e005812","DOI":"10.1161\/CIRCINTERVENTIONS.117.005812","article-title":"Pulmonary artery denervation by determining targeted ablation sites for treatment of pulmonary arterial hypertension","volume":"10","author":"Fujisawa","year":"2017","journal-title":"Circ. 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