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褪黑素對血小板衍生生長因子誘導(dǎo)的肝星狀細(xì)胞增殖的影響及機(jī)制研究

發(fā)布時間:2022-12-23 13:02
  目的:觀察褪黑素對血小板衍生生長因子-BB(platelet-derived growth factor-BB,PDGF-BB)刺激的大鼠肝星狀細(xì)胞(hepatic stellate cells,HSCs)增殖、PDGF-BB、血小板衍生生長因子受體-β(platelet-derived growth factor receptor-β,PDGFR-β)、α-平滑肌肌動蛋白(α-Smooth Muscle Actin,α-SMA)、細(xì)胞外信號調(diào)節(jié)激酶1/2(extracellular signal-regulated protein kinases1/2,ERK1/2)、磷酸化細(xì)胞外信號調(diào)節(jié)激酶1/2(phosphorylated extracellular signal-regulated kinase 1/2,p-ERK1/2)表達(dá)的影響,探討褪黑素抗肝纖維化的分子機(jī)制。方法:以HSC-T6細(xì)胞為研究對象,分為對照組、模型組、褪黑素處理組(1 nmol/L、1μmol/L、0.1 mmol/L),培養(yǎng)24 h后,更換為無血清培養(yǎng)基,除對照組外均加入PDGF-BB(10 ng/mL)... 

【文章頁數(shù)】:59 頁

【學(xué)位級別】:碩士

【文章目錄】:
主要英文縮寫一覽表
中文摘要
Abstract
1. 前言
2. 實(shí)驗(yàn)材料與試劑
    2.1 細(xì)胞株
    2.2 主要實(shí)驗(yàn)儀器
    2.3 主要實(shí)驗(yàn)試劑
    2.4 主要試劑配制
3. 實(shí)驗(yàn)方法
    3.1 HSC-T6細(xì)胞的培養(yǎng),換液,傳代,凍存及復(fù)蘇
    3.2 MTT實(shí)驗(yàn)檢測褪黑素對PDGF-BB激活的HSC-T6細(xì)胞的影響
    3.3 q PCR實(shí)驗(yàn)檢測褪黑素對PDGF-BB激活的HSC-T6細(xì)胞PDGF-BB、PDGFR-β m RNA表達(dá)的影響
    3.4 細(xì)胞免疫組化實(shí)驗(yàn)檢測褪黑素對PDGF-BB激活的HSC-T6細(xì)胞α-SMA、ERK1/2、p-ERK1/2 蛋白表達(dá)的影響
    3.5 Western blot實(shí)驗(yàn)檢測褪黑素對PDGF-BB激活的HSC-T6細(xì)胞α-SMA、ERK1/2、p-ERK1/2 蛋白表達(dá)的影響
4. 統(tǒng)計(jì)學(xué)處理
5. 實(shí)驗(yàn)結(jié)果
    5.1 褪黑素對PDGF-BB誘導(dǎo)的HSC-T6細(xì)胞增殖的影響
    5.2 褪黑素對PDGF-BB誘導(dǎo)的HSC-T6細(xì)胞中PDGF-BB和PDGFR-βm RNA表達(dá)的影響
    5.3 細(xì)胞免疫組化實(shí)驗(yàn)中褪黑素對PDGF-BB誘導(dǎo)的HSC-T6細(xì)胞中α-SMA、ERK1 /2 及p-ERK1 /2 蛋白表達(dá)的影響
    5.4 Western blot實(shí)驗(yàn)中褪黑素對PDGF-BB誘導(dǎo)的HSC-T6細(xì)胞中α-SMA、ERK1/2 及p-ERK1/2 蛋白表達(dá)的影響
6. 討論
    6.1 HSCs與肝纖維化的關(guān)系
    6.2 ERK1/2 信號通路與肝纖維化及肝星狀細(xì)胞的關(guān)系
    6.3 褪黑素與肝纖維化及HSCs的關(guān)系
    6.4 褪黑素抑制HSCs中ERK1/2 信號通路的關(guān)系
7. 結(jié)論
8. 創(chuàng)新與不足之處
參考文獻(xiàn)
附錄
    個人簡歷
致謝
綜述
    參考文獻(xiàn)


【參考文獻(xiàn)】:
期刊論文
[1]內(nèi)皮抑素通過調(diào)控PDGFR/ERK信號通路抑制人成纖維細(xì)胞纖維化的研究(英文)[J]. Yuan LI,Hai-tao REN.  Journal of Zhejiang University-Science B(Biomedicine & Biotechnology). 2017(11)
[2]褪黑素抑制肝星狀細(xì)胞增殖的機(jī)制研究[J]. 謝園園,洪汝濤,汪玉榮.  安徽醫(yī)科大學(xué)學(xué)報(bào). 2017(09)
[3]Liver fibrosis and hepatic stellate cells: Etiology, pathological hallmarks and therapeutic targets[J]. Chong-Yang Zhang,Wei-Gang Yuan,Pei He,Jia-Hui Lei,Chun-Xu Wang.  World Journal of Gastroenterology. 2016(48)
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