{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T08:07:28Z","timestamp":1791533248078,"version":"4.3.4"},"reference-count":44,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2023,6,1]],"date-time":"2023-06-01T00:00:00Z","timestamp":1685577600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key Research and Development Program of China","award":["2019YFE0119400"],"award-info":[{"award-number":["2019YFE0119400"]}]},{"name":"National Key Research and Development Program of China","award":["81970052"],"award-info":[{"award-number":["81970052"]}]},{"name":"National Key Research and Development Program of China","award":["82170057"],"award-info":[{"award-number":["82170057"]}]},{"name":"National Key Research and Development Program of China","award":["8200054"],"award-info":[{"award-number":["8200054"]}]},{"name":"Natural Science Foundation of China","award":["2019YFE0119400"],"award-info":[{"award-number":["2019YFE0119400"]}]},{"name":"Natural Science Foundation of China","award":["81970052"],"award-info":[{"award-number":["81970052"]}]},{"name":"Natural Science Foundation of China","award":["82170057"],"award-info":[{"award-number":["82170057"]}]},{"name":"Natural Science Foundation of China","award":["8200054"],"award-info":[{"award-number":["8200054"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Pulmonary arterial hypertension (PAH) is a rare but fatal disease characterized by elevated pulmonary vascular resistance and increased pressure in the distal pulmonary arteries. Systematic analysis of the proteins and pathways involved in the progression of PAH is crucial for understanding the underlying molecular mechanism. In this study, we performed tandem mass tags (TMT)-based relative quantitative proteomic profiling of lung tissues from rats treated with monocrotaline (MCT) for 1, 2, 3 and 4 weeks. A total of 6759 proteins were quantified, among which 2660 proteins exhibited significant changes (p-value &lt; 0.05, fold change &lt; 0.83 or &gt;1.2). Notably, these changes included several known PAH-related proteins, such as Retnla (resistin-like alpha) and arginase-1. Furthermore, the expression of potential PAH-related proteins, including Aurora kinase B and Cyclin-A2, was verified via Western blot analysis. In addition, we performed quantitative phosphoproteomic analysis on the lungs from MCT-induced PAH rats and identified 1412 upregulated phosphopeptides and 390 downregulated phosphopeptides. Pathway enrichment analysis revealed significant involvement of pathways such as complement and coagulation cascades and the signaling pathway of vascular smooth muscle contraction. Overall, this comprehensive analysis of proteins and phosphoproteins involved in the development and progression of PAH in lung tissues provides valuable insights for the development of potential diagnostic and treatment targets for PAH.<\/jats:p>","DOI":"10.3390\/ijms24119629","type":"journal-article","created":{"date-parts":[[2023,6,2]],"date-time":"2023-06-02T02:41:35Z","timestamp":1685673695000},"page":"9629","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Quantitative Proteomic and Phosphoproteomic Profiling of Lung Tissues from Pulmonary Arterial Hypertension Rat Model"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7831-6430","authenticated-orcid":false,"given":"Ang","family":"Luo","sequence":"first","affiliation":[{"name":"College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yangfan","family":"Jia","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rongrong","family":"Hao","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yafang","family":"Yu","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xia","family":"Zhou","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chenxin","family":"Gu","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meijuan","family":"Ren","sequence":"additional","affiliation":[{"name":"Life Science Research Core Service, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9537-2891","authenticated-orcid":false,"given":"Haiyang","family":"Tang","sequence":"additional","affiliation":[{"name":"College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"384","DOI":"10.1097\/MCP.0000000000000699","article-title":"How low should we go? 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