Article(id=1236344968403538108, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236344966058931117, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=1655654400000, acceptedDateStr=2022-06-20, onlineDate=1772697210645, onlineDateStr=2026-03-05, pubDate=1678809600000, pubDateStr=2023-03-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772697210645, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772697210645, creator=13701087609, updateTime=1772697210645, updator=13701087609, issue=Issue{id=1236344966058931117, tenantId=1146029695717560320, journalId=1235980733773295621, year='2023', volume='32', issue='5', pageStart='441', pageEnd='552', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772697210087, creator=13701087609, updateTime=1772697640190, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236346770087793082, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236344966058931117, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236346770087793083, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236344966058931117, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=513, endPage=521, ext={EN=ArticleExt(id=1236344968634224837, articleId=1236344968403538108, tenantId=1146029695717560320, journalId=1235980733773295621, language=EN, title=β-Caryophyllene reduces cerebral ischemia-reperfusion injury in rats by activating HSF1/HSP70 pathway, columnId=null, journalTitle=Chinese Journal of New Drugs, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Objective:

To investigate whether β-caryophyllene (BCP) can reduce cerebral ischemia-reperfusion injury (CIR) in rats via activating heat shock factor 1 (HSF1)/heat shock protein 70 (HSP70) pathway.

Methods:

Male SD rats were randomly assigned to the sham operation group, model group, BCP low, medium, and high dose groups (204,306,408 mg·kg-1), BCP (306 mg·kg-1)+Kribb11 intervention group, and Kribb11 intervention group. The suture method was used to create a rat model of CIR injury, and the neurobehavioral score was recorded 24 hours after the reperfusion. The volume of the cerebral infarct was measured using 2,3,5-triphenyltetrazolium chloride staining, and the pathological changes of cortical neurons were observed using hematoxylin-eosin staining and Nissl staining. Western blotting was applied to detect protein expressions of HSP70, HSF1, p-HSF1, Chop, Caspase 3, Bcl2, and Bax in rat brain cortex; immunofluorescence staining was used to detect protein expressions of p-HSF1 and HSP70; and Tunel staining to evaluate cell apoptosis level. Malondialdehyde level in cortical tissue (MDA), activities of total superoxide dismutase (SOD) and Caspase 3 were measured using a chemical colorimetric technique.

Results:

Compared to the model group, the β-caryophyllene administration group indicated a lower cerebral infarct volume in rats (P<0.01), a lower level of MDA and Caspase 3 activity in the tissue (P<0.01,P<0.05), a decreased expression of Bax, Chop, and Caspase 3 protein (P<0.01), a decreased occurrence of cell apoptosis, and increased protein expressions of HSF1, p-HSF1, HSP70, and Bcl 2 in the tissue (P<0.01), and substantially greater SOD activity in the tissue (P<0.01), reducing ischemia-reperfusion injury. Compared with the BCP group, Kribb11 in the BCP+Kribb11 group antagonized the curative effect of BCP, the protein expressions of HSF1, p-HSF1 and HSP70 were significantly reduced (P<0.05, P<0.01), and tissue oxidation stress levels increased, cortical cell death increased, and ischemia-reperfusion injury aggravated.

Conclusion:

In rats, β-caryophyllene can alleviate cerebral ischemia-reperfusion injury in rats by reducing oxidative stress and minimizing cell apoptosis, which is associated with the activation of the HSF1/HSP70 pathway.

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目的:

探究β-石竹烯(β-caryophyllene, BCP)通过激活热休克转录因子1(heat shock factor 1, HSF1)/热休克蛋白70(heat shock proteins 70, HSP70)通路减轻大鼠脑缺血再灌注(cerebral ischemia-reperfusion, CIR)损伤的机制。

方法:

将雄性SD大鼠随机分为假手术组、模型组、BCP低、中、高剂量组(204,306,408 mg·kg-1)、BCP(306 mg·kg-1)+Kribb11组和Kribb11组。采用线栓法建立大鼠CIR模型,再灌注24 h后进行神经行为学评分;2,3,5-三苯基氯化四氮唑染色法测定脑梗死体积;苏木精-伊红染色、尼式染色观察皮层神经元病理变化;蛋白印迹法检测大鼠脑皮层中HSP70,HSF1,p-HSF1和凋亡相关蛋白(Chop,Caspase 3,Bcl2,Bax)的蛋白表达;免疫荧光染色检测p-HSF1和HSP70蛋白表达;Tunel染色检测细胞凋亡水平;化学比色法检测皮层组织中丙二醛(MDA)含量和总超氧化物歧化酶(SOD)及Caspase 3活性。

结果:

与模型组相比,BCP组大鼠脑梗死体积明显降低(P<0.01),组织中HSF1,p-HSF1,HSP70和Bcl2蛋白表达显著增加(P<0.01),Bax,Chop,Caspase 3蛋白表达均明显减少(P<0.01),组织中MDA含量减少(P<0.01)和SOD的活性增加(P<0.01),Caspase 3酶活性显著降低(P<0.05),细胞凋亡减少,从而改善了缺血再灌注损伤;与BCP组相比,BCP+Kribb11组中Kribb11拮抗了BCP的疗效作用,HSF1,p-HSF1和HSP70蛋白表达显著减少(P<0.05,P<0.01),组织氧化应激水平升高,皮层细胞死亡增多,CIR损伤加重。

结论:

BCP能够降低氧化应激水平,抑制细胞凋亡,从而改善大鼠CIR损伤,其机制可能与激活HSF1/HSP70通路有关。

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董志,男,博士,教授,主要从事神经药理学研究。E-mail:
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左天睿,男,硕士研究生,主要从事神经药理学研究。E-mail:

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β-石竹烯通过激活HSF1/HSP70通路减轻大鼠脑缺血再灌注损伤
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左天睿 , 胡晴雯 , 刘京东 , 王萱 , 邓玲 , 董志
中国新药杂志 | 实验研究 2023,32(5): 513-521
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中国新药杂志 | 实验研究 2023, 32(5): 513-521
β-石竹烯通过激活HSF1/HSP70通路减轻大鼠脑缺血再灌注损伤
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左天睿 , 胡晴雯, 刘京东, 王萱, 邓玲, 董志
作者信息
  • 重庆医科大学药学院,重庆市生物化学与分子药理学重点实验室,重庆 400016
  • 左天睿,男,硕士研究生,主要从事神经药理学研究。E-mail:

通讯作者:

董志,男,博士,教授,主要从事神经药理学研究。E-mail:
β-Caryophyllene reduces cerebral ischemia-reperfusion injury in rats by activating HSF1/HSP70 pathway
Tian-rui ZUO , Qing-wen HU, Jing-dong LIU, Xuan WANG, Ling DENG, Zhi DONG
Affiliations
  • Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, School of Pharmacy, Chongqing Medical University, Chongqing 400016, China
出版时间: 2023-03-15
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目的:

探究β-石竹烯(β-caryophyllene, BCP)通过激活热休克转录因子1(heat shock factor 1, HSF1)/热休克蛋白70(heat shock proteins 70, HSP70)通路减轻大鼠脑缺血再灌注(cerebral ischemia-reperfusion, CIR)损伤的机制。

方法:

将雄性SD大鼠随机分为假手术组、模型组、BCP低、中、高剂量组(204,306,408 mg·kg-1)、BCP(306 mg·kg-1)+Kribb11组和Kribb11组。采用线栓法建立大鼠CIR模型,再灌注24 h后进行神经行为学评分;2,3,5-三苯基氯化四氮唑染色法测定脑梗死体积;苏木精-伊红染色、尼式染色观察皮层神经元病理变化;蛋白印迹法检测大鼠脑皮层中HSP70,HSF1,p-HSF1和凋亡相关蛋白(Chop,Caspase 3,Bcl2,Bax)的蛋白表达;免疫荧光染色检测p-HSF1和HSP70蛋白表达;Tunel染色检测细胞凋亡水平;化学比色法检测皮层组织中丙二醛(MDA)含量和总超氧化物歧化酶(SOD)及Caspase 3活性。

结果:

与模型组相比,BCP组大鼠脑梗死体积明显降低(P<0.01),组织中HSF1,p-HSF1,HSP70和Bcl2蛋白表达显著增加(P<0.01),Bax,Chop,Caspase 3蛋白表达均明显减少(P<0.01),组织中MDA含量减少(P<0.01)和SOD的活性增加(P<0.01),Caspase 3酶活性显著降低(P<0.05),细胞凋亡减少,从而改善了缺血再灌注损伤;与BCP组相比,BCP+Kribb11组中Kribb11拮抗了BCP的疗效作用,HSF1,p-HSF1和HSP70蛋白表达显著减少(P<0.05,P<0.01),组织氧化应激水平升高,皮层细胞死亡增多,CIR损伤加重。

结论:

BCP能够降低氧化应激水平,抑制细胞凋亡,从而改善大鼠CIR损伤,其机制可能与激活HSF1/HSP70通路有关。

脑缺血再灌注损伤  /  β-石竹烯  /  HSF1/HSP70信号通路  /  氧化应激  /  凋亡
Objective:

To investigate whether β-caryophyllene (BCP) can reduce cerebral ischemia-reperfusion injury (CIR) in rats via activating heat shock factor 1 (HSF1)/heat shock protein 70 (HSP70) pathway.

Methods:

Male SD rats were randomly assigned to the sham operation group, model group, BCP low, medium, and high dose groups (204,306,408 mg·kg-1), BCP (306 mg·kg-1)+Kribb11 intervention group, and Kribb11 intervention group. The suture method was used to create a rat model of CIR injury, and the neurobehavioral score was recorded 24 hours after the reperfusion. The volume of the cerebral infarct was measured using 2,3,5-triphenyltetrazolium chloride staining, and the pathological changes of cortical neurons were observed using hematoxylin-eosin staining and Nissl staining. Western blotting was applied to detect protein expressions of HSP70, HSF1, p-HSF1, Chop, Caspase 3, Bcl2, and Bax in rat brain cortex; immunofluorescence staining was used to detect protein expressions of p-HSF1 and HSP70; and Tunel staining to evaluate cell apoptosis level. Malondialdehyde level in cortical tissue (MDA), activities of total superoxide dismutase (SOD) and Caspase 3 were measured using a chemical colorimetric technique.

Results:

Compared to the model group, the β-caryophyllene administration group indicated a lower cerebral infarct volume in rats (P<0.01), a lower level of MDA and Caspase 3 activity in the tissue (P<0.01,P<0.05), a decreased expression of Bax, Chop, and Caspase 3 protein (P<0.01), a decreased occurrence of cell apoptosis, and increased protein expressions of HSF1, p-HSF1, HSP70, and Bcl 2 in the tissue (P<0.01), and substantially greater SOD activity in the tissue (P<0.01), reducing ischemia-reperfusion injury. Compared with the BCP group, Kribb11 in the BCP+Kribb11 group antagonized the curative effect of BCP, the protein expressions of HSF1, p-HSF1 and HSP70 were significantly reduced (P<0.05, P<0.01), and tissue oxidation stress levels increased, cortical cell death increased, and ischemia-reperfusion injury aggravated.

Conclusion:

In rats, β-caryophyllene can alleviate cerebral ischemia-reperfusion injury in rats by reducing oxidative stress and minimizing cell apoptosis, which is associated with the activation of the HSF1/HSP70 pathway.

cerebral ischemia-reperfusion injury  /  β-caryophyllene  /  HSF1/HSP70 signal pathway  /  oxidative stress  /  apoptosis
左天睿, 胡晴雯, 刘京东, 王萱, 邓玲, 董志. β-石竹烯通过激活HSF1/HSP70通路减轻大鼠脑缺血再灌注损伤. 中国新药杂志, 2023 , 32 (5) : 513 -521 .
Tian-rui ZUO, Qing-wen HU, Jing-dong LIU, Xuan WANG, Ling DENG, Zhi DONG. β-Caryophyllene reduces cerebral ischemia-reperfusion injury in rats by activating HSF1/HSP70 pathway[J]. Chinese Journal of New Drugs, 2023 , 32 (5) : 513 -521 .
  • 重庆市自然科学基金:重庆市基础研究与前沿探索专项(cstc2018jcyjAX0378)
  • 重庆市渝中区基础研究与前沿探索项目(20210121)
2023年第32卷第5期
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  • 首发时间:2026-03-05
  • 出版时间:2023-03-15
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  • 录用日期:2022-06-20
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重庆市自然科学基金:重庆市基础研究与前沿探索专项(cstc2018jcyjAX0378)
重庆市渝中区基础研究与前沿探索项目(20210121)
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    重庆医科大学药学院,重庆市生物化学与分子药理学重点实验室,重庆 400016

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董志,男,博士,教授,主要从事神经药理学研究。E-mail:
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2种不同金属材料的力学参数

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Genus
种数
Number of
species
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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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