Article(id=1195816326469043119, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1195816324862624679, articleNumber=1001-2494(2024)24-2337-06, orderNo=null, doi=10.11669/cpj.2024.24.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1718640000000, receivedDateStr=2024-06-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763034429423, onlineDateStr=2025-11-13, pubDate=1734796800000, pubDateStr=2024-12-22, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763034429423, onlineIssueDateStr=2025-11-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763034429423, creator=13701087609, updateTime=1763034429423, updator=13701087609, issue=Issue{id=1195816324862624679, tenantId=1146029695717560320, journalId=1190317699101192196, year='2024', volume='59', issue='24', pageStart='2299', pageEnd='2406', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1763034429040, creator=13701087609, updateTime=1763034724390, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1195817563738390939, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1195816324862624679, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1195817563738390940, tenantId=1146029695717560320, journalId=1190317699101192196, issueId=1195816324862624679, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2337, endPage=2342, ext={EN=ArticleExt(id=1195816326670369712, articleId=1195816326469043119, tenantId=1146029695717560320, journalId=1190317699101192196, language=EN, title=Effect of Stachydrine on Hypoxia/Reoxygenation Induced Cardiomyocyte Pyroptosis by Regulating the HIF-1α/NLRP3 Signaling Pathway, columnId=null, journalTitle=Chinese Pharmaceutical Journal, columnName=null, runingTitle=null, highlight=null, articleAbstract=

OBJECTIVE To investigate the effect of stachydrine (STA) on hypoxia inducible factor-1α (HIF-1α)/NOD-like receptor thermal protein domain associated protein 3 (NLRP3) signaling pathway in hypoxia/reoxygenation (H/R) induced cardiomyocyte pyroptosis model. METHODS H9C2 cardiomyocytes were separated into control group (Control group), model group (H/R group), H/R+low concentration STA group (H/R+STA-L group, 5 μmol·L-1), H/R+medium concentration STA group (H/R+STA-M group, 10 μmol·L-1), H/R+high concentration STA group (H/R+STA-H group, 20 μmol·L-1), H/R+high concentration STA (20 μmol·L-1)+HIF-1α activator group [H/R+STA-H+dimethyloxaloglycine(DMOG) group, 20 μmol·L-1 STA+10 μmol·L-1 DMOG]. H9C2 cell viability was tested by cell counting kit-8(CCK-8) assay. H9C2 cell apoptosis was measured by flow cytometry. The levels of IL-1β, IL-18, and LDH in cells were detected by enzyme linked immunosorbent assay (ELISA). The expression levels of IL-1β, IL-18, Caspase-1, HIF-1α, and NLRP3 were quantified using Western blot. RESULTS Compared with the control group, the cell survival rate of the H/R group decreased (P<0.05), the positive expression rate of Caspase-1, levels of IL-1β, IL-18, LDH, and protein expression of Caspase-1, IL-1β, IL-18, HIF-1α, and NLRP3 increased (P<0.05). Compared with the H/R group, the cell survival rates of the H/R+STA-L group, H/R+STA-M group and H/R+STA-H group increased, the positive expression rate of Caspase-1, levels of IL-1β, IL-18, LDH, and protein expression of Caspase-1, IL-1β, IL-18, HIF-1α, and NLRP3 reduced (P<0.05). Compared with the H/R+STA-H group, the cell survival rate of the H/R+STA-H+DMOG group obviously reduced (P<0.05), the positive expression rate of Caspase-1, levels of IL-1β, IL-18, LDH, and protein expression of Caspase-1, IL-1β, IL-18, HIF-1α, and NLRP3 obviously increased (P<0.05). CONCLUSION STA can inhibit H/R induced cardiomyocyte pyroptosis, and its mechanism may be related to the HIF-1α/NLRP3 signaling pathway.

, correspAuthors=Xiaoping ZHANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, 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=Xiaoli LI, Tao WANG, Chuanfang DONG, Yanan XU, Xiaoping ZHANG), CN=ArticleExt(id=1195816476574793945, articleId=1195816326469043119, tenantId=1146029695717560320, journalId=1190317699101192196, language=CN, title=水苏碱调节HIF-1α/NLRP3信号通路对缺氧/复氧诱导的心肌细胞焦亡的影响, columnId=1190352405612040510, journalTitle=中国药学杂志, columnName=论著, runingTitle=null, highlight=null, articleAbstract=

目的 研究水苏碱(stachydrine,STA)对缺氧/复氧(hypoxia/reoxygenation,H/R)诱导的心肌细胞焦亡模型缺氧诱导因子-1α(hypoxia inducible factor-1α,HIF-1α)/NOD样受体热蛋白结构域相关蛋白3(NOD-like receptor thermal protein domain associated protein 3,NLRP3)信号通路的影响。方法 将心肌细胞H9C2细胞分为对照组(Control组)、模型组(H/R组)、H/R+低浓度STA组(H/R+STA-L组,5 μmol·L-1)、H/R+中浓度STA组(H/R+STA-M组,10 μmol·L-1)、H/R+高浓度STA组(H/R+STA-H组,20 μmol·L-1)、H/R+高浓度STA(20 μmol·L-1)+HIF-1α激活剂组[H/R+STA-H+二甲基草酰甘氨酸(DMOG)组,20 μmol·L-1的STA+10 μmol·L-1 DMOG]。细胞计数试剂盒8(CCK-8)检测H9C2细胞活性;流式细胞仪检测H9C2细胞焦亡;酶联免疫吸附法(ELISA)检测细胞白细胞介素-1β(IL-1β)、白细胞介素-18(IL-18)、乳酸脱氢酶(LDH)水平。蛋白质印迹(Western blot)检测IL-1β、IL-18、半胱天冬酶-1(Caspase-1)、HIF-1α、NLRP3表达。结果 与Control组比较,H/R组细胞存活率降低(P<0.05),Caspase-1阳性表达率、IL-1β、IL-18、LDH水平、Caspase-1、IL-1β、IL-18、HIF-1α、NLRP3蛋白表达升高(P<0.05);与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组细胞存活率增加,Caspase-1阳性表达率、IL-1β、IL-18、LDH水平、Caspase-1、IL-1β、IL-18、HIF-1α、NLRP3蛋白表达降低(P<0.05);与H/R+STA-H组比较,H/R+STA-H+DMOG组的细胞存活率显著降低(P<0.05),Caspase-1阳性表达率、IL-1β、IL-18、LDH水平、Caspase-1、IL-1β、IL-18、HIF-1α、NLRP3蛋白表达显著升高(P<0.05)。结论 STA能够抑制H/R诱导的心肌细胞焦亡,其机制可能与HIF-1α/NLRP3信号通路相关。

, correspAuthors=张晓苹, authorNote=null, correspAuthorsNote=
* 张晓苹,女,硕士,主治医师 研究方向:老年医学心肾 Tel:(0531)51666666
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李效丽,女,硕士,主治医师 研究方向:老年心脑血管病

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李效丽,女,硕士,主治医师 研究方向:老年心脑血管病

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李效丽,女,硕士,主治医师 研究方向:老年心脑血管病

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Chin Med, 2022, 17(1): 73., articleTitle=Geniposide suppresses NLRP3 inflammasome-mediated pyroptosis via the AMPK signaling pathway to mitigate myocardial ischemia/reperfusion injury, refAbstract=null)], funds=[Fund(id=1196081680059511177, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, awardId=2023BJ000005, language=CN, fundingSource=山东省医药卫生科研项目(2023BJ000005), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1196081675458359628, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, xref=1, ext=[AuthorCompanyExt(id=1196081675462553933, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, companyId=1196081675458359628, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 Department of Special Health Care, 1b.Department of geriatrics, The Third Hospital of Shandong Province, Jinan 250031, China), AuthorCompanyExt(id=1196081675470942542, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, companyId=1196081675458359628, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 山东省立第三医院, a.特需保健科, b.老年病科, 济南 250031)]), AuthorCompany(id=1196081675563217232, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, xref=2, ext=[AuthorCompanyExt(id=1196081675571605841, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, companyId=1196081675563217232, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 Department of General Medicine, 960 Hospital of PLA, Jinan 250031, China), AuthorCompanyExt(id=1196081675579994450, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, companyId=1196081675563217232, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 解放军第九六零医院全科医学科, 济南 250031)])], figs=[ArticleFig(id=1196081678088188287, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=EN, label=Fig.1, caption=The effect of STA on the activity of H9C2 cells. n=6,$\bar{x}±s$

1)P<0.05, vs Control group; 2)P<0.05, vs H/R group; 3)P<0.05, vs H/R+STA-L group; 4)P<0.05, vs H/R+STA-M group; 5)P<0.05, vs H/R+STA-H group.

, figureFileSmall=Rn4lOWpp/QEY1SXUHU15qw==, figureFileBig=XXG/pgaFpPlxCxkojV3XTA==, tableContent=null), ArticleFig(id=1196081678146908544, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=CN, label=图1, caption=水苏碱(STA)对H9C2细胞活性的影响。n=6,$\bar{x}±s$

与Control组相比,1)P<0.05;与H/R组相比,2)P<0.05;与H/R+STA-L组相比,3)P<0.05;与H/R+STA-M组相比,4)P<0.05;与H/R+STA-H组相比,5)P<0.05。

, figureFileSmall=Rn4lOWpp/QEY1SXUHU15qw==, figureFileBig=XXG/pgaFpPlxCxkojV3XTA==, tableContent=null), ArticleFig(id=1196081678243377537, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=EN, label=Fig.2, caption=The effect of STA on pyroptosis in H9C2 cells. n=6,$\bar{x}±s$

A-flow cytometry was used to detect cell pyroptosis (Caspase-1+PI); B-comparison of Caspase-1 positive expression rates. 1)P<0.05, vs control group; 2)P<0.05, vs H/R group; 3)P<0.05, vs H/R+STA-L group; 4)P<0.05, vs H/R+STA-M group; 5)P<0.05, vs H/R+STA-H group.

, figureFileSmall=Qco1Bjrmf+ffrEeyAgHt5w==, figureFileBig=ExOpioHj1mFMYmEGcHU+JA==, tableContent=null), ArticleFig(id=1196081679321313666, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=CN, label=图2, caption=STA对H9C2细胞焦亡的影响。n=6,$\bar{x}±s$

A-流式细胞术检测细胞焦亡[半胱天冬酶-1(Caspase-1)+PI];B-Caspase-1阳性表达率比较。与Control组相比,1)P<0.05;与H/R组相比,2)P<0.05;与H/R+STA-L组相比,3)P<0.05;与H/R+STA-M组相比,4)P<0.05;与H/R+STA-H组相比,5)P<0.05。

, figureFileSmall=Qco1Bjrmf+ffrEeyAgHt5w==, figureFileBig=ExOpioHj1mFMYmEGcHU+JA==, tableContent=null), ArticleFig(id=1196081679396811139, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=EN, label=Fig.3, caption=Protein levels of Caspase-1, IL-1 β and IL-18 in H9C2 cells of each group.n=6,$\bar{x}±s$

A-Western blot was used to detect the protein expression of Caspase-1, IL-1β, and IL-18 in H9C2 cells; B-comparison of Caspase-1, IL-1β, and IL-18 protein levels. 1)P<0.05, vs Control group; 2)P<0.05, vs H/R group; 3)P<0.05, vs H/R+STA-L group; 4)P<0.05, vs H/R+STA-M group; 5)P<0.05, vs H/R+STA-H group.

, figureFileSmall=jtk/+0f7g4GD52YavoH33g==, figureFileBig=3C+3R6WWR1t/POOuLSV0sw==, tableContent=null), ArticleFig(id=1196081679472308612, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=CN, label=图3, caption=各组H9C2细胞中Caspase-1、IL-1β、IL-18蛋白水平。n=6,$\bar{x}±s$

A-Western blot检测H9C2细胞中Caspase-1、IL-1β、IL-18蛋白表达;B-Caspase-1、IL-1β、IL-18蛋白水平比较。与Control组相比,1)P<0.05;与H/R组相比,2)P<0.05;与H/R+STA-L组相比,3)P<0.05;与H/R+STA-M组相比,4)P<0.05;与H/R+STA-H组相比,5)P<0.05。

, figureFileSmall=jtk/+0f7g4GD52YavoH33g==, figureFileBig=3C+3R6WWR1t/POOuLSV0sw==, tableContent=null), ArticleFig(id=1196081679581360517, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=EN, label=Fig.4, caption=Levels of HIF-1α/NLRP3 signaling pathway related proteins in H9C2 cells of each group.n=6,$\bar{x}±s$

A-Western blot was used to detect the expression of HIF-1α and NLRP3 proteins in H9C2 cells; B-comparison of HIF-1α and NLRP3 protein levels; 1)P<0.05, vs control group; 2)P<0.05, vs H/R group; 3)P<0.05, vs H/R+STA-L group; 4)P<0.05, vs H/R+STA-M group; 5)P<0.05, vs H/R+STA-H group.

, figureFileSmall=b8hfOIcfPsl5SuHkMEmIVw==, figureFileBig=0BtYJhS7P5BDVfsDZ0AriQ==, tableContent=null), ArticleFig(id=1196081679665246598, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=CN, label=图4, caption=各组H9C2细胞中缺氧诱导因子-1α(HIF-1α)/NOD样受体热蛋白结构域相关蛋白3(NLRP3)信号通路相关蛋白水平。n=6,$\bar{x}±s$

A-Western blot检测H9C2细胞中HIF-1α、NLRP3蛋白表达;B-HIF-1α、NLRP3蛋白水平比较。与Control组相比,1)P<0.05;与H/R组相比,2)P<0.05;与H/R+STA-L组相比,3)P<0.05;与H/R+STA-M组相比,4)P<0.05;与H/R+STA-H组相比,5)P<0.05。

, figureFileSmall=b8hfOIcfPsl5SuHkMEmIVw==, figureFileBig=0BtYJhS7P5BDVfsDZ0AriQ==, tableContent=null), ArticleFig(id=1196081679736549767, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=EN, label=Tab.1, caption=

Effects of STA on IL-1β, IL-18, and LDH levels in H9C2 cells.n=6,$\bar{x}±s$

, figureFileSmall=null, figureFileBig=null, tableContent=
Group ρ(IL-1β)/pg·mL-1 ρ(IL-18)/pg·mL-1 LDH/U·L-1
Control 9.29±0.11 13.56±1.41 122.18±13.25
H/R 41.57±4.231) 42.39±4.361) 226.49±23.611)
H/R+STA-L 32.59±3.512) 35.39±3.652) 165.24±17.242)
H/R+STA-M 23.16±2.452)3) 26.37±2.712)3) 152.36±16.362)3)
H/R+STA-H 12.56±1.372)3)4) 17.28±2.322)3)4) 131.25±13.512)3)4)
H/R+STA-H+DMOG 38.75±0.415) 38.51±3.975) 206.31±13.225)
), ArticleFig(id=1196081679866573192, tenantId=1146029695717560320, journalId=1190317699101192196, articleId=1195816326469043119, language=CN, label=表1, caption=

STA对H9C2细胞中白细胞介素-1β(IL-1β)、白细胞介素-18(IL-18)、乳酸脱氢酶(LDH)水平的影响。n=6,$\bar{x}±s$

, figureFileSmall=null, figureFileBig=null, tableContent=
Group ρ(IL-1β)/pg·mL-1 ρ(IL-18)/pg·mL-1 LDH/U·L-1
Control 9.29±0.11 13.56±1.41 122.18±13.25
H/R 41.57±4.231) 42.39±4.361) 226.49±23.611)
H/R+STA-L 32.59±3.512) 35.39±3.652) 165.24±17.242)
H/R+STA-M 23.16±2.452)3) 26.37±2.712)3) 152.36±16.362)3)
H/R+STA-H 12.56±1.372)3)4) 17.28±2.322)3)4) 131.25±13.512)3)4)
H/R+STA-H+DMOG 38.75±0.415) 38.51±3.975) 206.31±13.225)
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水苏碱调节HIF-1α/NLRP3信号通路对缺氧/复氧诱导的心肌细胞焦亡的影响
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李效丽 1a , 王涛 1a , 董传芳 1b , 许亚男 1a , 张晓苹 2, *
中国药学杂志 | 论著 2024,59(24): 2337-2342
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中国药学杂志 | 论著 2024, 59(24): 2337-2342
水苏碱调节HIF-1α/NLRP3信号通路对缺氧/复氧诱导的心肌细胞焦亡的影响
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李效丽1a, 王涛1a, 董传芳1b, 许亚男1a, 张晓苹2, *
作者信息
  • 1 山东省立第三医院, a.特需保健科, b.老年病科, 济南 250031
  • 2 解放军第九六零医院全科医学科, 济南 250031
  • 李效丽,女,硕士,主治医师 研究方向:老年心脑血管病

通讯作者:

* 张晓苹,女,硕士,主治医师 研究方向:老年医学心肾 Tel:(0531)51666666
Effect of Stachydrine on Hypoxia/Reoxygenation Induced Cardiomyocyte Pyroptosis by Regulating the HIF-1α/NLRP3 Signaling Pathway
Xiaoli LI1a, Tao WANG1a, Chuanfang DONG1b, Yanan XU1a, Xiaoping ZHANG2, *
Affiliations
  • 1 Department of Special Health Care, 1b.Department of geriatrics, The Third Hospital of Shandong Province, Jinan 250031, China
  • 2 Department of General Medicine, 960 Hospital of PLA, Jinan 250031, China
出版时间: 2024-12-22 doi: 10.11669/cpj.2024.24.006
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目的 研究水苏碱(stachydrine,STA)对缺氧/复氧(hypoxia/reoxygenation,H/R)诱导的心肌细胞焦亡模型缺氧诱导因子-1α(hypoxia inducible factor-1α,HIF-1α)/NOD样受体热蛋白结构域相关蛋白3(NOD-like receptor thermal protein domain associated protein 3,NLRP3)信号通路的影响。方法 将心肌细胞H9C2细胞分为对照组(Control组)、模型组(H/R组)、H/R+低浓度STA组(H/R+STA-L组,5 μmol·L-1)、H/R+中浓度STA组(H/R+STA-M组,10 μmol·L-1)、H/R+高浓度STA组(H/R+STA-H组,20 μmol·L-1)、H/R+高浓度STA(20 μmol·L-1)+HIF-1α激活剂组[H/R+STA-H+二甲基草酰甘氨酸(DMOG)组,20 μmol·L-1的STA+10 μmol·L-1 DMOG]。细胞计数试剂盒8(CCK-8)检测H9C2细胞活性;流式细胞仪检测H9C2细胞焦亡;酶联免疫吸附法(ELISA)检测细胞白细胞介素-1β(IL-1β)、白细胞介素-18(IL-18)、乳酸脱氢酶(LDH)水平。蛋白质印迹(Western blot)检测IL-1β、IL-18、半胱天冬酶-1(Caspase-1)、HIF-1α、NLRP3表达。结果 与Control组比较,H/R组细胞存活率降低(P<0.05),Caspase-1阳性表达率、IL-1β、IL-18、LDH水平、Caspase-1、IL-1β、IL-18、HIF-1α、NLRP3蛋白表达升高(P<0.05);与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组细胞存活率增加,Caspase-1阳性表达率、IL-1β、IL-18、LDH水平、Caspase-1、IL-1β、IL-18、HIF-1α、NLRP3蛋白表达降低(P<0.05);与H/R+STA-H组比较,H/R+STA-H+DMOG组的细胞存活率显著降低(P<0.05),Caspase-1阳性表达率、IL-1β、IL-18、LDH水平、Caspase-1、IL-1β、IL-18、HIF-1α、NLRP3蛋白表达显著升高(P<0.05)。结论 STA能够抑制H/R诱导的心肌细胞焦亡,其机制可能与HIF-1α/NLRP3信号通路相关。

水苏碱  /  缺氧诱导因子-1α/NOD样受体热蛋白结构域相关蛋白3  /  缺氧/复氧  /  心肌细胞  /  细胞焦亡

OBJECTIVE To investigate the effect of stachydrine (STA) on hypoxia inducible factor-1α (HIF-1α)/NOD-like receptor thermal protein domain associated protein 3 (NLRP3) signaling pathway in hypoxia/reoxygenation (H/R) induced cardiomyocyte pyroptosis model. METHODS H9C2 cardiomyocytes were separated into control group (Control group), model group (H/R group), H/R+low concentration STA group (H/R+STA-L group, 5 μmol·L-1), H/R+medium concentration STA group (H/R+STA-M group, 10 μmol·L-1), H/R+high concentration STA group (H/R+STA-H group, 20 μmol·L-1), H/R+high concentration STA (20 μmol·L-1)+HIF-1α activator group [H/R+STA-H+dimethyloxaloglycine(DMOG) group, 20 μmol·L-1 STA+10 μmol·L-1 DMOG]. H9C2 cell viability was tested by cell counting kit-8(CCK-8) assay. H9C2 cell apoptosis was measured by flow cytometry. The levels of IL-1β, IL-18, and LDH in cells were detected by enzyme linked immunosorbent assay (ELISA). The expression levels of IL-1β, IL-18, Caspase-1, HIF-1α, and NLRP3 were quantified using Western blot. RESULTS Compared with the control group, the cell survival rate of the H/R group decreased (P<0.05), the positive expression rate of Caspase-1, levels of IL-1β, IL-18, LDH, and protein expression of Caspase-1, IL-1β, IL-18, HIF-1α, and NLRP3 increased (P<0.05). Compared with the H/R group, the cell survival rates of the H/R+STA-L group, H/R+STA-M group and H/R+STA-H group increased, the positive expression rate of Caspase-1, levels of IL-1β, IL-18, LDH, and protein expression of Caspase-1, IL-1β, IL-18, HIF-1α, and NLRP3 reduced (P<0.05). Compared with the H/R+STA-H group, the cell survival rate of the H/R+STA-H+DMOG group obviously reduced (P<0.05), the positive expression rate of Caspase-1, levels of IL-1β, IL-18, LDH, and protein expression of Caspase-1, IL-1β, IL-18, HIF-1α, and NLRP3 obviously increased (P<0.05). CONCLUSION STA can inhibit H/R induced cardiomyocyte pyroptosis, and its mechanism may be related to the HIF-1α/NLRP3 signaling pathway.

stachydrine  /  hypoxia inducible factor-1α/NOD-like receptor thermal protein domain associated protein 3  /  hypoxia/reoxygenation  /  cardiomyocyte  /  cell pyroptosis
李效丽, 王涛, 董传芳, 许亚男, 张晓苹. 水苏碱调节HIF-1α/NLRP3信号通路对缺氧/复氧诱导的心肌细胞焦亡的影响. 中国药学杂志, 2024 , 59 (24) : 2337 -2342 . DOI: 10.11669/cpj.2024.24.006
Xiaoli LI, Tao WANG, Chuanfang DONG, Yanan XU, Xiaoping ZHANG. Effect of Stachydrine on Hypoxia/Reoxygenation Induced Cardiomyocyte Pyroptosis by Regulating the HIF-1α/NLRP3 Signaling Pathway[J]. Chinese Pharmaceutical Journal, 2024 , 59 (24) : 2337 -2342 . DOI: 10.11669/cpj.2024.24.006
心肌梗死是全球患者死亡的主要原因之一,临床上,及时的再灌注对挽救缺血心肌组织、减少梗死面积、维持左心室收缩功能、防止心力衰竭的发生至关重要。然而,治疗本身可能矛盾地诱发心肌损伤和心功能恶化,这种现象被称为心肌缺血再灌注损伤(myocardial ischemia reperfusion injury,MIRI)[1]。已有相关研究发现,细胞焦亡参与MIRI的发生发展过程[2]。因此,对缺氧/复氧(hypoxia/reoxygenation,H/R)诱导的心肌细胞焦亡的分子机制进行研究具有重要意义。水苏碱(stachydrine,STA)主要是从菊科、唇形科等多种中药植物中分离提取出的一种生物碱[3]。已有研究发现,STA在肾脏、心脏等多种脏器部位中发挥重要的作用[4]。Guo等[5]研究报道,STA能够改善心肌细胞的能量代谢,发挥抗心肌缺血的功能。细胞焦亡是一种依赖于半胱天冬酶-1(Caspase-1)的新的程序性死亡,会诱导炎症级联反应的发生[6]。已有相关研究发现,缺氧诱导因子-1α(hypoxia inducible factor-1α,HIF-1α)可对炎性小体热蛋白结构域相关蛋白3(NOD-like receptor thermal protein domain associated protein 3,NLRP3)进行激活,诱导炎症反应的发生,进而促进神经细胞焦亡[7]。本研究利用H/R诱导大鼠心肌细胞(H9C2)焦亡模型,基于HIF-1α/NLRP3信号通路探讨STA的心肌细胞保护作用。
H9C2细胞(货号:ZQ0102,上海中乔新舟生物科技有限公司)。
杜氏改良Eagle培养基(DEME)培养基(含体积分数10%胎牛血清(FBS)和质量分数1%青霉素-链霉素)(上海酶联生物科技有限公司,货号:OMDCM-031);STA(四川省维克奇生物科技有限公司,纯度:HPLC≥96%,相对分子质量:143.18,分子式:C7H13NO2,货号:WKQ-0001874);HIF-1α激活剂[二甲基草酰甘氨酸(DMOG),上海嵘崴达实业有限公司,货号:R024469-250 mg];细胞计数试剂盒8(cell counting kit-8,CCK-8)(艾美捷科技有限公司,货号:BY-Q50356);FAM-FLICA Caspase-1试剂盒(北京诺博莱德科技有限公司,货号:ICT097);白细胞介素-1β(interleukin-1β,IL-1β)酶联免疫吸附测定(enzyme-linked immunosorbent assay,ELISA)试剂盒(浙江羽翔生物科技有限公司,货号:EYX-DD02225);乳酸脱氢酶(lactatedehydrogenase,LDH)ELISA试剂盒(上海富雨生物科技有限公司,货号:FY-A014670);白细胞介素-18(interleukin-18,IL-18)ELISA试剂盒(杭州铂赛生物科技有限公司,货号:MM-0169M1);IL-1β、IL-18、Caspase-1、HIF-1α、NLRP3、磷酸甘油醛脱氢酶(reduced glyceraldehyde-phosphate dehydrogenase,GAPDH)抗体(美国Abcam公司,货号:ab283818、ab207324、ab62698、ab51608、ab283819、ab181602);流式细胞仪(赛默飞世尔科技公司,型号:AttuneTM NxT);CO2细胞培养箱(Eppendorf艾本德中国公司,型号:CellXpert);显微镜(Cytek Biosciences,型号:DMi1);凝胶成像仪(上海金鹏分析仪器有限公司,型号:ZF-208)等。
将H9C2细胞接种在DMEM培养基中,细胞培养箱(温度37 ℃,体积分数为5%CO2)中进行培养,在培养过程中对细胞的颜色以及生长状态进行观察,并将培养液进行定期更换,待细胞生长密度达到70%以上时,对细胞进行收集传代,用于后续实验。
2 mg STA溶于1 379 μL磷酸盐缓冲液中,混匀后用滤菌器过滤,并在-20 ℃冻存备用,实验时用无血清DMEM稀释至所需浓度。
将H9C2细胞在含有体积分数95%N2和体积分数5%CO2缺氧的条件下,置于不含有血清的培养基中培养6 h,之后,将其在含有体积分数95%O2和体积分数5%CO2有氧的条件下,置于含有血清的培养基中培养12 h,构建H/R细胞模型。本研究共分为以下几组:对照组(Control组):正常培养基培养细胞;模型组(H/R):H/R条件下培养细胞;H/R+低、中、高浓度STA组(H/R+STA-L、M、H组):在H/R条件下分别加入5、10、20 μmol·L-1STA[9]培养细胞;H/R+高浓度STA+HIF-1α激活剂组:在H/R条件下加入20 μmol·L-1STA和10 μmol·L-1 HIF-1α激活剂DMOG[10]培养细胞。
收集各组H9C2细胞,将其接种在96孔板中,培养48 h,在每个孔中加入10 μL CCK-8溶液,在37 ℃,体积分数5% CO2的细胞培养箱中进行孵育,4 h后,利用酶标仪对各个孔450 nm处的吸光值进行检测。实验重复6次。
收集处于对数生长期的各组H9C2细胞,离心取沉淀,并进行重悬。将经过FAM-FLICA标记的Caspase-1抗体加入细胞沉淀中混匀,在黑暗条件下反应1 h,对细胞洗涤(1×Wash Buffer)2次,加入碘化丙锭(PI)染色液对细胞进行重悬。利用流式细胞仪对细胞焦亡情况进行检测。细胞焦亡水平用Caspase-1和PI双阳性的细胞代表[11]。实验重复6次。
收集各组处于对数生长期的H9C2细胞,3 000 r·min-1离心10 min,弃沉淀,取上清置于-80 ℃冰箱中进行保存。采用ELISA对细胞IL-1β、IL-18、LDH水平进行检测,检测操作方法按照试剂盒的说明书进行。实验重复6次。
收集各组培养至对数生长期的H9C2细胞,在蛋白裂解液的作用下冰上裂解30 min,将裂解后的细胞进行离心,取上清液,利用二辛可宁酸(BCA)试剂盒对蛋白总量进行测定。蛋白提取物的分离用十二烷基硫酸钠-聚丙烯酰胺凝胶电泳(SDS-PAGE)进行,分离后的蛋白凝胶置于聚偏二氟乙烯(PVDF)膜上进行转膜,在冰上反应1 h,清洗,质量分数5%的脱脂奶粉封闭30 min,清洗,分别加入(IL-1β、IL-18、Caspase-1、HIF-1α、NLRP3和GAPDH)抗体,4℃过夜;加入二抗,室温孵育2 h。用凝胶成像仪对蛋白表达情况进行观察。实验重复6次。
所得数据采用均数±标准差($\bar{x}±s$)表示,SPSS 25.0处理数据。各组间比较,如H/R组、H/R+STA-L组以及H/R+STA-M组、H/R+STA-H组等采用F检验,组间两两比较采用SNK-q检验。P<0.05为差异有统计学意义。
与Control组比较,H/R组的细胞存活率降低(P<0.05);与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组细胞存活率均增加,且随着STA浓度的增加,细胞存活率逐渐增加(P<0.05);与H/R+STA-H组比较,H/R+STA-H+DMOG组的细胞存活率显著降低(P<0.05)。结果见图1
与Control组比较,H/R组Caspase-1阳性表达率升高(P<0.05);与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组Caspase-1阳性表达率均降低,且随着STA浓度的增加,Caspase-1阳性表达率逐渐降低(P<0.05);与H/R+STA-H组比较,H/R+STA-H+DMOG组的Caspase-1阳性表达率显著升高(P<0.05)。结果见图2
与Control组比较,H/R组IL-1β、IL-18、LDH水平均升高(P<0.05);与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组IL-1β、IL-18、LDH水平均降低,且随着STA浓度的增加,IL-1β、IL-18、LDH水平逐渐降低(P<0.05);与H/R+STA-H组比较,H/R+STA-H+DMOG组的IL-1β、IL-18、LDH水平显著升高(P<0.05)。结果见表1
与Control组比较,H/R组Caspase-1、IL-1β、IL-18蛋白表达均升高(P<0.05);与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组Caspase-1、IL-1β、IL-18蛋白表达均降低,且随着STA浓度的增加,Caspase-1、IL-1β、IL-18蛋白表达逐渐降低(P<0.05);与H/R+STA-H组比较,H/R+STA-H+DMOG组的Caspase-1、IL-1β、IL-18蛋白表达显著升高(P<0.05)。结果见图3
与Control组比较,H/R组HIF-1α、NLRP3蛋白表达均升高(P<0.05);与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组HIF-1α、NLRP3蛋白表达均降低,且随着STA浓度的增加,HIF-1α、NLRP3蛋白表达逐渐降低(P<0.05);与H/R+STA-H组比较,H/R+STA-H+DMOG组的HIF-1α、NLRP3蛋白表达显著升高(P<0.05)。见图4
近年来,急性心肌梗死的发病率呈现一种不断增加的趋势,对人们的生命健康安全造成严重威胁[12]。而治疗急性心肌梗死时发生的MIRI会加重心肌损伤,从而造成患者心功能的恶化,对治疗效果造成影响[13]。目前,关于心肌梗死发生发展的分子机制还不十分明确,因此,需要深入研究其发生发展涉及的相关机制,为急性心肌梗死的早期诊断以及治疗提供理论依据。
近年来,人们对中药以及中药的活性成分的关注日趋增多。STA已经被发现具有抗氧化、抗炎以及抗细胞凋亡的作用,是唇形科中药植物益母草的一种主要成分[14]。Zhu等[15]研究显示,STA通过激活SIRT1-Nrf2通路保护H/R损伤,抑制心肌细胞氧化应激和凋亡。Liu等[16]研究发现,在异丙肾上腺素导致的小鼠心肌纤维化中,STA发挥重要作用。细胞焦亡是不同于细胞坏死和细胞凋亡的一种促炎性细胞程序性死亡,研究发现,Caspase-1蛋白的表达是判断细胞焦亡的依据[17]。IL-1β、IL-18是在细胞焦亡中重要的促炎细胞因子,会进一步加重炎症反应,而LDH参与炎症反应[18]。近期研究显示,水苏碱通过抑制IL-1β、IL-18和焦亡蛋白GSDMD、GSDMD-N、GSDMD表达缓解氧糖剥夺再灌注诱导的海马神经元焦亡[19]。本研究结果显示,与Control组比较,H/R组细胞存活率值降低,IL-1β、IL-18、LDH水平升高,表明H/R诱导的H9C2细胞模型构建成功。与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组细胞存活率值增加,IL-1β、IL-18、LDH水平降低,表明使用不同浓度STA处理H/R诱导的H9C2细胞,可以增加细胞活性,降低促炎因子水平。与以往STA在H/R诱导的H9C2中的研究[9,15]不同,本实验关注的是细胞焦亡的变化,Caspase-1、IL-1β、IL-18蛋白均是与细胞焦亡相关的蛋白[20]。本研究首次通过检测焦亡标志蛋白的表达分析STA对H/R诱导的H9C2细胞焦亡的影响,结果显示,与Control组比较,H/R组Caspase-1阳性表达率、Caspase-1、IL-1β、IL-18蛋白表达升高;与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组Caspase-1阳性表达率、Caspase-1、IL-1β、IL-18蛋白降低,表明经H/R诱导会促进H9C2的细胞焦亡,而STA可以抑制H/R诱导的细胞焦亡。以上研究结果提示STA通过减少Caspase-1、IL-1β蛋白表达,降低H9C2细胞中下游促炎介质的产生,从而减轻H/R导致的细胞焦亡。
已有相关研究发现,NLRP3是最常见也是研究最为清楚的一种炎症小体[21]。HIF-1α是一种可以感知氧浓度的转录因子,在正常的氧浓度状态下,HIF-1α表达水平相对较低,而当细胞因为炎症、损伤等原因处于缺氧状态时,HIF-1α表达水平会升高[22]。Chen等[23]研究发现,通过对HIF-1α信号通路进行抑制可以一定程度减轻缺血性脑损伤产生的有害影响。且通过HIF-1α对NLRP3的抑制,可对炎症反应进行一定程度的减轻,进一步缓解细胞焦亡[7]。本研究中,与Control组比较,H/R组HIF-1α、NLRP3蛋白表达升高,表明H/R诱导心肌细胞HIF-1α/NLRP3通路激活。与H/R组比较,H/R+STA-L组、H/R+STA-M组、H/R+STA-H组HIF-1α、NLRP3蛋白表达降低,说明不同浓度STA均可抑制HIF-1α/NLRP3信号通路,且抑制作用随STA剂量的增高而增强,推测STA可以通过抑制HIF-1α/NLRP3信号通路,从而改善细胞焦亡。进一步用HIF-1α激活剂DMOG和STA共同处理细胞,结果发现HIF-1α、NLRP3蛋白水平较H/R+STA-H组升高,表明DMOG的加入激活了HIF-1α/NLRP3信号通路,促进了H9C2细胞焦亡。上述结果提示STA可能通过抑制HIF-1α水平减少NLRP3、凋亡相关斑点样蛋白(apoptosis-associated speck-like protein containing a CARD,ASC)、消皮素D的N端(N terminal of gasdermin-D,N-GSDMD)、caspase-1和IL-1β蛋白表达,进而抑制NLRP3炎症小体的激活,减少了心肌细胞中下游促炎介质(包括IL-18和IL-1β)的产生,缓解H/R诱导的心肌细胞焦亡[24]
综上所述,STA可以通过抑制HIF-1α/NLRP3信号通路,减轻H/R诱导的心肌细胞焦亡,从而发挥抗炎作用。本研究为STA防治心血管疾病提供了实验依据,并对其作用机制提出了新的解释。但是本研究仅在体外实验细胞上进行了研究,后续会进一步通过体内实验进行验证。
  • 山东省医药卫生科研项目(2023BJ000005)
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2024年第59卷第24期
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doi: 10.11669/cpj.2024.24.006
  • 接收时间:2024-06-18
  • 首发时间:2025-11-13
  • 出版时间:2024-12-22
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  • 收稿日期:2024-06-18
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山东省医药卫生科研项目(2023BJ000005)
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    1 山东省立第三医院, a.特需保健科, b.老年病科, 济南 250031
    2 解放军第九六零医院全科医学科, 济南 250031

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* 张晓苹,女,硕士,主治医师 研究方向:老年医学心肾 Tel:(0531)51666666
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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