Article(id=1208402460729786763, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208402455038112170, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2020-0981, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1592150400000, receivedDateStr=2020-06-15, revisedDate=1594742400000, revisedDateStr=2020-07-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1766035197669, onlineDateStr=2025-12-18, pubDate=1610380800000, pubDateStr=2021-01-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766035197669, onlineIssueDateStr=2025-12-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766035197669, creator=13701087609, updateTime=1766035197669, updator=13701087609, issue=Issue{id=1208402455038112170, tenantId=1146029695717560320, journalId=1189982191388893191, year='2021', volume='56', issue='1', pageStart='1', pageEnd='370', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766035196313, creator=13701087609, updateTime=1766137278516, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1208830618876637998, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208402455038112170, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1208830618876637999, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208402455038112170, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=208, endPage=216, ext={EN=ArticleExt(id=1208402461170188729, articleId=1208402460729786763, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Evaluation of the preventive effect of DL0805-2 against monocrotaline induced rat pulmonary arterial hypertension, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
In the treatment of hypertensive crisis, the novel Rho kinase inhibitor DL0805-2 can rapidly lower systematic blood pressure, reduce pulmonary artery pressure, and has a significant protective effect on lung injury.This experiment intends to evaluate the efficacy of DL0805-2 against pulmonary arterial hypertension (PAH) and preliminarily reveals its underlying mechanism. Animal welfare and experimental procedures are in accordance with the provision of the Animal Ethics Committee of the Institute of Materia Medica, Chinese Academy of Medical Sciences. Sprague Dawley (SD) rats were randomly divided into DL0805-2 low, medium, and high dose groups(1, 3, and 10 mg·kg-1), bosentan positive control group, model group, and blank control group. The drug was administered daily on the 7th day after model establishment by monocrotaline injection. On the 25th day of the experiment, relevant indicators were examined to observe the therapeutic effect of DL0805-2 on pulmonary hypertension. DL0805-2 significantly relieved the abnormal changes in the physiological parameters related to PAH induced by monocrotaline, including reducing right ventricular systolic pressure, alleviating cardiac damage caused by pressure overload, and reducing the levels of endothelin-1 and inflammatory factors in lung tissues.DL0805-2 also attenuated pulmonary arteries remodeling. It was preliminarily discovered that DL0805-2 exerts preventive and therapeutic effect on PAH through Rho-kinase pathway. Our results suggested that DL0805-2 had good therapeutic effects on monocrotaline-induced PAH rat model. It intervened early in the disease process, effectively prevented the development of the disease, and reduced the mortality of the diseased animals. The mechanism is related to Rho-kinase pathway.
, correspAuthors=Lian-hua FANG, Guan-hua DU, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2021 Acta Pharmaceutica Sinica. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Di CHEN, Tian-yi YUAN, Yu-cai CHEN, Hui-fang ZHANG, Zi-ran NIU, Lian-hua FANG, Guan-hua DU), CN=ArticleExt(id=1208402464018121379, articleId=1208402460729786763, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=DL0805-2防治野百合碱诱导的大鼠肺动脉高压的药效评价, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
新型Rho激酶抑制剂DL0805-2在高血压危象的治疗中不仅能快速降低系统血压, 也可降低肺动脉压力, 并对肺部损伤具有明显保护作用。本实验拟探究DL0805-2防治肺动脉高压的药效并初步探究其分子机制。动物福利和实验过程均遵循中国医学科学院药物研究所动物伦理委员会规定。将SD (Sprague Dawley)大鼠随机分为DL0805-2低、中和高剂量组(1、3和10 mg·kg-1)、波生坦阳性对照组、模型组及空白对照组, 在野百合碱造模后的第7天开始给药, 实验终点第25天检测各项指标, 观察DL0805-2对肺动脉高压的防治作用。DL0805-2对野百合碱导致的与肺动脉高压相关的生理指标的异常改变具有明显改善作用, 包括降低右心室收缩压, 减轻压力负荷导致的心脏损伤, 降低肺部疾病标志物内皮素-1及炎症因子的水平, 改善肺动脉重构情况, 初步的机制研究发现DL0805-2通过Rho激酶通路发挥对肺动脉高压的防治作用。DL0805-2对野百合碱诱导的大鼠肺动脉高压具有良好的药效, 其在疾病发生早期进行干预可有效缓解疾病的发展进程, 降低模型动物死亡率, 其机制与Rho激酶通路相关。
, correspAuthors=方莲花, 杜冠华, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有© 《药学学报》编辑部2021, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=5YZM+3cpfNB3E+hC87iCFw==, magXml=iVYpEiIjwnurweV14Q9bQg==, pdfUrl=null, pdf=r+3Z+Tsjmy7Sm5daKVoP0A==, pdfFileSize=1169451, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=kISjXKm3pUv5IlbF9zLl9Q==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=RsqIodGrFpA7R0ghByE3rA==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=陈迪, 袁天翊, 陈俞材, 张惠芳, 牛子冉, 方莲花, 杜冠华)}, authors=[Author(id=1208478653625774630, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1208478653835489850, 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Effects of DL0805-2 on the monocrotaline induced pulmonary arterial hypertension (PAH) rats.A: Changes in body weight of rats in each group during the experiment; B: Statistics of changes in body weight of rats in each group compared with that at day 0.Values are expressed as mean±standard error of mean (SEM), n=10-12.###P < 0.001 vs control.D2:DL0805-2;BST: Bosentan , figureFileSmall=unHFhF4ONhxygjoJGjtsfw==, figureFileBig=yxH5sC6Um6x1nD9FKYjqxw==, tableContent=null), ArticleFig(id=1208478660672204870, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=8VYhLwAZZjrgLiNRE5BO3Q==, figureFileBig=Vc/Pk2bb0LoBN2wE56OZOw==, tableContent=null), ArticleFig(id=1208478660990971988, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 2, caption=
Effects of DL0805-2 on right ventricular systolic pressure (RVSP, A) and right ventricular hypertrophy index (RVHI, B) of the monocrotaline induced PAH rats.Values are expressed as mean±SEM, n=8-10.###P < 0.001 vs control; *P < 0.05, ***P < 0.001 vs model.RV: Right ventricle; LV: Left ventricle; S: Septum , figureFileSmall=8VYhLwAZZjrgLiNRE5BO3Q==, figureFileBig=Vc/Pk2bb0LoBN2wE56OZOw==, tableContent=null), ArticleFig(id=1208478661120995420, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=Fwnr0SlRNaozWC4be/C/BA==, figureFileBig=cNwIe2jSfumyo2RerzxILQ==, tableContent=null), ArticleFig(id=1208478661259407467, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 3, caption=
Effects of DL0805-2 on systemic hemodynamics of the monocrotaline induced PAH rats.A: Heart rate; B: Systolic blood pressure (SBP); C: Diastolic blood pressure (DBP).Values are expressed as mean±SEM, n=8-10 , figureFileSmall=Fwnr0SlRNaozWC4be/C/BA==, figureFileBig=cNwIe2jSfumyo2RerzxILQ==, tableContent=null), ArticleFig(id=1208478661364265074, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=XAMayKUC7IgdEMP5ZH5hoQ==, figureFileBig=Tp449gfucIfYaki4MHWHYw==, tableContent=null), ArticleFig(id=1208478661439762558, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 4, caption=
Effects of DL0805-2 on the organ index of the monocrotaline induced PAH rats including heart (A), heart ventricle (B), liver (C), and lung (D).Values are expressed as mean±SEM, n=8.###P < 0.001 vs control; *P < 0.05, ***P < 0.001 vs model.RW: Right heart weight; BW: Body weight , figureFileSmall=XAMayKUC7IgdEMP5ZH5hoQ==, figureFileBig=Tp449gfucIfYaki4MHWHYw==, tableContent=null), ArticleFig(id=1208478661544620171, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=LSa+j3CZwLSq9vK4N/8kTg==, figureFileBig=HhPdzj3gaf42SKbyPlz5rg==, tableContent=null), ArticleFig(id=1208478661687226523, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 5, caption=
Effects of DL0805-2 on inflammatory factors including tumor necrosis factor-α(TNF-α, A), interleukin (IL)-6 (B), and IL-1β (C) in lung tissues of the monocrotaline induced PAH rats.Values are expressed as mean±SEM, n=6.#P < 0.05, ##P < 0.01 vs control; *P < 0.05, **P < 0.01, ***P < 0.001 vs model , figureFileSmall=LSa+j3CZwLSq9vK4N/8kTg==, figureFileBig=HhPdzj3gaf42SKbyPlz5rg==, tableContent=null), ArticleFig(id=1208478661821444266, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=sl3SYWwM9VuwX6xbmxFTtQ==, figureFileBig=VIH9DzucsGNp0GprLP+Mpg==, tableContent=null), ArticleFig(id=1208478661938884796, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 6, caption=
DL0805-2 significantly decreased the release of NT-pro BNP (A) in the serum and ET-1 (B) in lungs of the monocrotaline induced PAH rats.Values are expressed as mean±SEM, n=6.###P < 0.001 vs control; *P < 0.05, ***P < 0.001 vs model.NT-pro BNP: N-terminal pro brain natriuretic peptide; ET-1:Endothelin-1 , figureFileSmall=sl3SYWwM9VuwX6xbmxFTtQ==, figureFileBig=VIH9DzucsGNp0GprLP+Mpg==, tableContent=null), ArticleFig(id=1208478662081491144, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=zbD5gyiNPGJv7MJS30rveg==, figureFileBig=1D4bHTTtcnu1yd5K0AZcXA==, tableContent=null), ArticleFig(id=1208478662215708886, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 7, caption=
Effects of DL0805-2 on serum levels of aspartate aminotransferase (AST, A), alanine aminotransferase (ALT, B), and lactic dehy‐drogenase (LDH, C) in the monocrotaline induced PAH rats.Values are expressed as mean±SEM, n=6.#P < 0.05 vs control; *P < 0.05 vs model , figureFileSmall=zbD5gyiNPGJv7MJS30rveg==, figureFileBig=1D4bHTTtcnu1yd5K0AZcXA==, tableContent=null), ArticleFig(id=1208478662324760799, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=o8UzDnX5EU7KJQVxQ1dvqA==, figureFileBig=mZKV6us6zNRycg4XUWZ0Ew==, tableContent=null), ArticleFig(id=1208478662450589933, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 8, caption=
Hematoxylin and eosin (HE) staining of main pulmo‐nary arteries in the monocrotaline induced PAH rats (200×).Scale bar: 50 μm.A–F: Representative vascular morphology images of normal or PAH rats treated with or without drugs; G: Statistical re‐sults of vascular wall thickness.Values are expressed as mean±SEM, n=5.###P < 0.001 vs control; *P < 0.05, **P < 0.01 vs model , figureFileSmall=o8UzDnX5EU7KJQVxQ1dvqA==, figureFileBig=mZKV6us6zNRycg4XUWZ0Ew==, tableContent=null), ArticleFig(id=1208478662597390587, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=zoMd9zaAJd+qsSrSqv9iWg==, figureFileBig=gzspUZC5VHalRogzpoEZ8w==, tableContent=null), ArticleFig(id=1208478662710636804, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Figure 9, caption=
Effects of DL0805-2 on the ROCK pathway in the main pulmonary artery of PAH rats.A-C: Densitometric analyses of the relative amount of Rho-associated protein kinase 2 (ROCK2, A), phospho-myosin phosphatase target subunit 1 (p-MYPT1, B), and phospho-ezrin radixin moesin (p-ERM, C) compared to the glyceraldehyde-3-phosphate dehydrogenase (GAPDH); D: Representative Western blot analyses for ROCK2, p-MYPT1, total-MYPT1, p-ERM, total-ERM, and GAPDH.Values are expressed as mean±SEM, n=4.###P < 0.001 vs control; *P < 0.05, **P < 0.01 vs model , figureFileSmall=zoMd9zaAJd+qsSrSqv9iWg==, figureFileBig=gzspUZC5VHalRogzpoEZ8w==, tableContent=null), ArticleFig(id=1208478662844854549, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Group | Dose/mg·kg-1 | Survival rate/% |
| Control | 0 | 100.0 |
| Model | 0 | 68.2 |
| BST | 30 | 95.5 |
| DL0805-2 | 1 | 77.3 |
| 3 | 90.9 |
| 10 | 90.9 |
), ArticleFig(id=1208478662962295072, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208402460729786763, language=CN, label=Table 1, caption=
Effect of DL0805-2 on survival rate of the monocrotaline induced PAH rats (n = 22)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Group | Dose/mg·kg-1 | Survival rate/% |
| Control | 0 | 100.0 |
| Model | 0 | 68.2 |
| BST | 30 | 95.5 |
| DL0805-2 | 1 | 77.3 |
| 3 | 90.9 |
| 10 | 90.9 |
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