1.中国中医科学院 中药研究所,北京 100700
2.安徽中医药大学,合肥 230012
3.北京城市学院,北京 100191
张琪曼,在读硕士,从事中药药理学研究,E-mail:zyqm1012@163.com
李韶菁,博士,研究员,博士生导师,从事整合调控疾病的中药药理学研究,E-mail:shaojingli2004@126.com
收稿:2024-10-27,
网络出版:2024-11-12,
纸质出版:2024-12-20
移动端阅览
张琪曼,高艳华,吴文洁等.基于线粒体MCU通道探究甲基莲心碱促血管再生抗脑缺血的作用机制[J].中国实验方剂学杂志,2024,30(24):103-113.
ZHANG Qiman,GAO Yanhua,WU Wenjie,et al.Exploring Mechanism of Neferine in Promoting Vascular Regeneration Against Cerebral Ischemia Based on Mitochondrial MCU Channel[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(24):103-113.
张琪曼,高艳华,吴文洁等.基于线粒体MCU通道探究甲基莲心碱促血管再生抗脑缺血的作用机制[J].中国实验方剂学杂志,2024,30(24):103-113. DOI: 10.13422/j.cnki.syfjx.20250967.
ZHANG Qiman,GAO Yanhua,WU Wenjie,et al.Exploring Mechanism of Neferine in Promoting Vascular Regeneration Against Cerebral Ischemia Based on Mitochondrial MCU Channel[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(24):103-113. DOI: 10.13422/j.cnki.syfjx.20250967.
目的
2
探究甲基莲心碱(Nef)通过调控线粒体钙单向转运体(MCU)离子通道促进血管再生,进而抗脑缺血的作用机制。
方法
2
以微血管缺失斑马鱼肠下血管面积为指标,对Nef进行血管再生功效评价,并计算半数有效浓度(EC
50
)。将大鼠随机分为假手术组、模型组、阳性药组(丁苯酞,6 mg·kg
-1
)、Nef低、中、高剂量组(0.125、0.625、3.125 μg·kg
-1
),除假手术组外,其余各组建立大鼠大脑中动脉栓塞(MCAO)模型,造模完成后各组按相应剂量灌胃给药,假手术组、模型组灌胃给予等体积生理盐水,1次/d,连续7 d。对各组大鼠进行神经行为学评分,并通过2,3,5-氯化三苯基四氮唑(TTC)染色计算缺血侧脑组织梗死率;散斑血流成像系统测定各
组大鼠局部脑血流量(rCBF);免疫荧光及蛋白免疫印迹法(Western blot)检测各组大鼠血管内皮生长因子(VEGF)、血小板内皮细胞黏附分子-1(CD31)、缺氧诱导因子-1
α
(HIF-1
α
)蛋白表达。将人脐静脉内皮细胞(HUVECs)分为正常组、模型组、阳性药(黄芪甲苷,10 μmol·L
-1
)组、Nef组(32 nmol·L
-1
);在验证Nef线粒体保护作用及促血管再生机制时,增设精胺组(MCU激动剂)、Nef+精胺组,除正常组外,其余各组建立糖氧剥夺(OGD)的HUVECs模型,通过噻唑蓝(MTT)法检测细胞活力,划痕实验与管成实验评估细胞迁移能力,应用Rhod-2 AM、Fluo-3 AM、JC-1、Calcein AM荧光探针,以及细胞能量代谢分析仪分析Nef的线粒体保护作用。通过分子对接预测Nef与MCU、HIF-1
α
的结合能力,采用Western blot检测Nef对OGD模型HUVECs中MCU、B细胞淋巴瘤-2相关X蛋白(Bax)、胱天蛋白酶-3(Caspase-3)和HIF-1
α
蛋白表达的影响。
结果
2
对微血管缺失斑马鱼的血管生成结果显示,与正常组比较,模型组的肠下血管面积显著下降(
P
<
0.01);与模型组比较,不同浓度Nef组肠下血管面积显著提高(
P
<
0.01),最大耐受浓度为10.24 μmol·L
-1
,EC
50
为0.23 μmol·L
-1
。对MCAO大鼠的抗脑缺血结果显示,与假手术组比较,模型组rCBF显著下降,脑梗死率显著增加,CD31表达显著下降(
P
<
0.01),VEGF、HIF-1
α
蛋白表达明显上升(
P
<
0.05);与模型组比较,各给药组rCBF显著提高,梗死体积显著减少,CD31、VEGF、HIF-1
α
蛋白表达量显著增加(
P
<
0.01)。细胞实验结果显示,与正常组比较,模型组细胞存活率降低,迁移能力下降,细胞质内Ca
2+
和线粒体内Ca
2+
水平上升,线粒体膜通透性转换孔(MPTP)开放程度降低,线粒体能量代谢能力下降,MCU、Bax、Caspase-3、HIF-1
α
的蛋白表达增加(
P
<
0.05,
P
<
0.01);与模型组比较,Nef组细胞存活率上升,迁移能力提高,细胞质内Ca
2+
和线粒体内Ca
2+
水平下降,MPTP开放上升,细胞线粒体能量代谢能力升高,MCU、Bax、Caspase-3的蛋白表达下降,HIF-1
α
蛋白表达增加(
P
<
0.05,
P
<
0.01)。
结论
2
Nef能够稳定线粒体膜电位,抑制线粒体凋亡;并通过下调MCU的表达,抑制细胞内Bax、Caspase-3的激活,同时激活HIF-1
α
信号通路,增强VEGF、CD31的表达,进而促进血管再生来治疗缺血性脑损伤。
Objective
2
To investigate the mechanism of neferine(Nef) in promoting vascular regeneration against cerebral ischemia through modulation of mitochondrial calcium uniporter(MCU) ion channel.
Method
2
Taking the area of subintestinal vessels in microvascular deficiency zebrafish as an index, the vascular
regenerative efficacy of Nef was evaluated, and the median effective concentration(EC
50
) was calculated. Rats were randomly divided into a sham operation group, a model group, a positive drug group(butylphthalide, 6 mg·kg
-1
), and Nef low, medium, and high dose groups(0.125, 0.625, 3.125 μg·kg
-1
). Except for the sham operation group, the middle cerebral artery occlusion(MCAO) model was established in other groups. After modeling, the groups were administered the corresponding dose of drugs by gavage, while the sham operation and model groups received equal volumes of saline, once a day for 7 consecutive days. Neurobehavioral scores were assessed for each group of rats, and the infarct rate of ischemic brain tissue was calculated by 2,3,5-triphenyltetrazolium chloride(TTC) staining. The regional cerebral blood flow(rCBF) of each group was measured using a speckle contrast imaging. Immunofluorescence and Western blot were conducted to detect the expression of vascular endothelial growth factor(VEGF), platelet endothelial cell adhesion molecule-1(CD31), and hypoxia-inducible factor-1
α
(HIF-1
α
) proteins in each group. Human umbilical vein endothelial cells(HUVECs) were divided into the normal group, model group, positive drug group(astragaloside Ⅳ, 10 μmol·L
-1
), and Nef group (32 nmol·L
-1
). In the verification of mitochondrial protection of Nef and its mechanism in promoting vascular regeneration, the spermine(MCU agonist) and Nef+spermine group were added. HUVECs model of oxygen-glucose deprivation(OGD) was established in all groups except the normal group, the cell viability was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) assay, and cell migration ability was evaluated through scratch and tube formation assays. Fluorescent probes(Rhod-2 AM, Fluo-3 AM, JC-1, Calcein AM) and a cellular energy metabolism analyzer were used to analyze the mitochondrial protective effects of Nef. Molecular docking
was performed to predict the binding ability of Nef with MCU and HIF-1
α
, and Western blot was used to detect the effects of Nef on the protein expressions of MCU, B-cell lymphoma-2 associated X protein(Bax), Caspase-3 and HIF-1
α
in the OGD model HUVECs.
Result
2
The results of vascular regeneration in microvascular deficiency zebrafish showed that compared to the normal group, the area of subintestinal vessels in the model group significantly decreased(
P
<
0.01). Compared to the model group, different concentrations of Nef could significantly increase the area of subintestinal vessels(
P
<
0.01), with the maximum tolerated concentration of 10.24 μmol·L
-1
and the EC
50
of 0.23 μmol·L
-1
. Anti-cerebral ischemia results on MCAO rats showed that compared to the sham operation group, the model group had a significant decrease in rCBF and a significant increase in infarct rate, while CD31 expression significantly decreased(
P
<
0.01), and VEGF and HIF-1
α
protein expressions significantly increased(
P
<
0.05). Compared to the model group, the treated groups showed significant increases in rCBF, significant reductions in infarct volume, and significant increases in CD31, VEGF, and HIF-1
α
protein expression(
P
<
0.01). Cell experiment results showed that compared to the normal group, the model group had decreased cell viability and migration ability, increased intracellular Ca
2+
and mitochondrial Ca
2+
levels, reduced mitochondrial permeability transition pore(MPTP) opening, and decreased mitochondrial energy metabolism capability, with increased expressions of MCU, Bax, Caspase-3 and HIF-1
α
proteins(
P
<
0.05,
P
<
0.01). Compared to the model group, the Nef group showed increased cell viability and migration ability, decreased intracellula
r Ca
2+
and mitochondrial Ca
2+
levels, increased MPTP opening, enhanced mitochondrial energy metabolism capability, decreased expressions of MCU, Bax and Caspase-3 proteins, and increased HIF-1
α
protein expression(
P
<
0.05,
P
<
0.01).
Conclusion
2
Nef can stabilize mitochondrial membrane potential and inhibit mitochondrial apoptosis. By down-regulating the expression of MCU, it suppresses the activation of intracellular Bax and Caspase-3 while activating the HIF-1
α
signaling pathway, enhancing the expression of VEGF and CD31, thereby promoting vascular regeneration to treat ischemic brain injury.
黄志霖 , 徐发邵 , 施静 , 等 . 线栓法建立卒中后吞咽障碍的大鼠模型 [J]. 中国康复理论与实践 , 2023 , 29 ( 10 ): 1147 - 1153 .
ZHANG H Y , TIAN Y , SHI H Y , et al . The critical role of the endolysosomal system in cerebral ischemia [J]. Neural Regen Res , 2023 , 18 ( 5 ): 983 - 990 .
田甜 , 吕宏祥 . 阿司匹林与氯吡格雷联合治疗急性缺血性脑血管病的临床效果 [J]. 中西医结合心血管病电子杂志 , 2023 , 11 ( 27 ): 38 - 41 .
曾珍 , 廉源沛 , 蔡佳丽 , 等 . 孟河医派特色炮制猪心血拌丹参及其他炮制品活性成分与抗脑缺血氧化损伤相关性分析 [J]. 中国实验方剂学杂志 , 2024 , 30 ( 15 ): 162 - 171 .
程禄萍 , 赵玥 , 周康钰 , 等 . 甲基莲心碱治疗心血管疾病的药理作用及其机制研究进展 [J]. 现代药物与临床 , 2021 , 36 ( 9 ): 1983 - 1987 .
BHARATHI PRIYA L , HUANG C Y , HU R M , et al . An updated review on pharmacological properties of neferine-A bisbenzylisoquinoline alkaloid from Nelumbo nucifera [J]. J Food Biochem , 2021 , 45 ( 12 ): e13986 .
WU C , CHEN J , YANG R , et al . Mitochondrial protective effect of neferine through the modulation of nuclear factor erythroid 2-related factor 2 signalling in ischaemic stroke [J]. Br J Pharmacol , 2019 , 176 ( 3 ): 400 - 415 .
ZHANG F W , PENG L Y , SHI C J , et al . Baicalein mediates the anti-tumor activity in osteosarcoma through lncRNA-NEF driven Wnt/ β -catenin signaling regulatory axis [J]. J Orthop Translat , 2022 , 33 : 132 - 141 .
LIU Y , ZHAO H , CHEN N , et al . PHLDA1 knockdown alleviates mitochondrial dysfunction and endoplasmic reticulum stress-induced neuronal apoptosis via activating PPAR γ in cerebral ischemia-reperfusion injury [J]. Brain Res Bull , 2023 , 194 : 23 - 34 .
QIN J , LIU L , LIU L , et al . The effect of regulating MCU expression on experimental ischemic brain injury [J]. Exp Neurol , 2023 , 362 : 114329 .
LUO Z , YAO J , WANG Z , et al . Mitochondria in endothelial cells angiogenesis and function: Current understanding and future perspectives [J]. J Transl Med , 2023 , 21 ( 1 ): 441 .
PAYNE R , LI C , FOSKETT J K . Variable assembly of EMRE and MCU creates functional channels with distinct gatekeeping profiles [J]. iScience , 2020 , 23 ( 4 ): 101037 .
NOVOROLSKY R J , NICHOLS M , KIM J S , et al . The cell-permeable mitochondrial calcium uniporter inhibitor Ru265 preserves cortical neuron respiration after lethal oxygen glucose deprivation and reduces hypoxic/ischemic brain injury [J]. J Cereb Blood Flow Metab , 2020 , 40 ( 6 ): 1172 - 1181 .
沈青 . 血清钙调蛋白、低氧诱导因子1α和髓鞘碱性蛋白在急性脑梗死患者中的意义 [J]. 河北医药 , 2018 , 40 ( 19 ): 2968 - 2970,2974 .
LU S , CHEN Z , LIU Z , et al . Unmasking the biological function and regulatory mechanism of NOC2L:A novel inhibitor of histone acetyltransferase [J]. J Transl Med , 2023 , 21 ( 1 ): 31 .
程顺昇 , 徐超凡 , 康蕊 , 等 . 中药通过促进血管新生抗心力衰竭的研究进展 [J]. 实用心脑肺血管病杂志 , 2023 , 31 ( 12 ): 22 - 26 .
王志刚 , 朱长乐 , 陈信义 , 等 . 健脾益气摄血方及其拆方对辛伐他汀诱导斑马鱼肝脏出血防治作用研究 [J]. 世界中西医结合杂志 , 2022 , 17 ( 7 ): 1308 - 1312 .
LONGA E Z , WEINSTEIN P R , CARLSON S , et al . Reversible middle cerebral artery occlusion without craniectomy in rats [J]. Stroke , 1989 , 20 ( 1 ): 84 - 91 .
文丽梅 , 李韶菁 , 吴传鸿 , 等 . 益气解毒方对局灶性脑缺血大鼠线粒体损伤的保护作用 [J]. 北京中医药大学学报 , 2014 , 37 ( 3 ): 175 - 179
黄万刚 , 杨东风 , 冯佳良 , 等 . 黄芪甲苷对PC12细胞氧化应激损伤的保护作用 [J]. 中国临床神经外科杂志 , 2021 , 26 ( 4 ): 270 - 273 .
黄丽 , 莫林宏 , 刘爱贤 . 养血清脑颗粒治疗阿尔茨海默病的疗效及对血管内皮生长因子的影响 [J]. 中国实验方剂学杂志 , 2022 , 28 ( 14 ): 121 - 126 .
李紫东 , 方晓艳 , 苗明三 . 基于文献分析中药皂苷类治疗脑缺血再灌注的作用机制 [J]. 中国实验方剂学杂志 , 2023 , 29 ( 5 ): 194 - 203 .
姚明江 , 张伟 , 杨斌 , 等 . 银杏蜜环口服溶液对化学光栓塞型局灶性脑缺血小鼠模型微血管生成与重构的影响 [J]. 中国实验方剂学杂志 , 2022 , 28 ( 23 ): 38 - 43 .
FAN Y , LI Y , YANG Y , et al . Chlorogenic acid promotes angiogenesis and attenuates apoptosis following cerebral ischaemia-reperfusion injury by regulating the PI3K-Akt signalling [J]. Pharm Biol , 2022 , 60 ( 1 ): 1646 - 1655 .
HUNTER A J , HATCHER J , VIRLEY D , et al . Functional assessments in mice and rats after focal stroke [J]. Neuropharmacology , 2000 , 39 ( 5 ): 806 - 816 .
LI L , ZHANG D , YAO W , et al . Ligustrazine exerts neuroprotective effects via circ_0008146/miR-709/Cx3cr1 axis to inhibit cell apoptosis and inflammation after cerebral ischemia/reperfusion injury [J]. Brain Res Bull , 2022 , 190 : 244 - 255 .
辛高杰 , 刘子馨 , 陈原原 , 等 . 延胡索乙素通过ULK1/FUNDC1通路抑制线粒体自噬减轻H9c2心肌细胞缺氧/复氧损伤 [J]. 中国中药杂志 , 2024 , 49 ( 5 ): 1286 - 1294 .
樊飞燕 , 张运克 . 益气活血中药联合骨髓间充质干细胞促进缺血性脑卒中血管新生的作用与机制 [J]. 中国组织工程研究 , 2021 , 25 ( 13 ): 2060 - 2069 .
TAOUFIK E , PROBERT L . Ischemic neuronal damage [J]. Curr Pharm Des , 2008 , 14 ( 33 ): 3565 - 3573 .
冯翠娥 , 周云 . 丹参酮ⅡA通过HIF-1 α /VEGF信号通路对胚泡植入障碍小鼠子宫内膜容受性的影响 [J]. 解剖学研究 , 2023 , 45 ( 3 ): 193 - 198 .
LI X , ZHAO J , LV Q , et al . Electroacupuncture alleviates multifidus muscle injury by modulating mitochondrial function and Ca 2+ uptake [J]. Anat Rec(Hoboken) , 2023 , 306 ( 12 ): 3060 - 3072 .
SENGKING J , OKA C , WICHA P , et al . Neferine protects against brain damage in permanent cerebral ischemic rat associated with autophagy suppression and AMPK/mTOR regulation [J]. Mol Neurobiol , 2021 , 58 ( 12 ): 6304 - 6315 .
梁恒 , 钱军 , 刘志鹏 , 等 . 新型氮氧自由基HPN对大鼠脑缺血再灌注损伤后缺氧相关蛋白表达的影响 [J]. 遵义医科大学学报 , 2024 , 47 ( 3 ): 230 - 236,245 .
姜兴宇 , 曹继刚 , 邹如政 , 等 . 前列消对BPH模型大鼠前列腺HIF1- α 、VEGF表达的影响 [J]. 时珍国医国药 , 2023 , 34 ( 4 ): 793 - 798 .
谷硕 . PGC-1 α 参与慢性间歇性低压低氧对心肌细胞的保护作用 [D]. 石家庄 : 河北医科大学 , 2018 .
0
浏览量
152
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构
京公网安备11010802024621
