多奈哌齊對PC12細(xì)胞淀粉樣前體蛋白α代謝途徑的影構(gòu)
[Abstract]:Objective to investigate the effect of Donepezil on non-amyloid metabolic pathway (偽 pathway) of amyloid precursor protein (APP) in PC12 cells and its possible signal mechanism. Methods PC12 cells cultured in vitro were divided into blank control group, Donepezil (20 渭 mol/L) group and LY294002 group (20 渭 mol/L) PI3-K inhibitor (LY group). Donepezil (20 渭 mol/L) P 38 inhibitor SB203580 group (SB group), Donepezil (20 渭 mol/L) JNK inhibitor SP600125 group (SP group). Each inhibitor group was given corresponding inhibitors 30 minutes before the addition of Donepezil. After 24 hours of culture, the levels of APP,ADAM10 and ADAM17 protein in the supernatant of cell culture were detected by Western blot and sAPP 偽 and sAPP/ 尾 in the supernatant were detected by ELISA method. Result 1. APP protein expression: there was no significant difference in the expression of APP protein between control group, Donepezil group, LY group, SB group and SP group (P > 0. 05). 2. ADAM10 and ADAM17 proteins: ADAM10 and ADAM17 proteins were detected by Western blot. Compared with the control group, the ADAM10 and ADAM17 of Donepezil group, LY group, SB group and SP group were increased significantly (P < 0. 05). The expression of ADAM10 and ADAM17 in LY group was not significantly different from that in Donepezil group (P > 0. 05), SB and SP group, P < 0. 05). 3. Expression of sAPP 偽 and sAPP 尾: sAPP 偽 and sAPP 尾 protein were detected by ELISA. Compared with the control group, the expression of sAPP 偽 in Donepezil group, LY group, SB group and SP group were all increased, and the expression of sAPP 尾 was decreased (P < 0. 01). The expression of sAPP 偽 and sAPP 尾 in LY group was not significantly different from that in Donepezil group (P > 0. 05), SB and SP group, sAPP 偽 expression was significantly decreased, sAPP 尾 expression was significantly increased (P < 0. 01). Conclusion Donepezil can change the metabolism of APP to non-amyloid pathway (偽 metabolic pathway), and its mechanism may be related to JNK or P38 signaling pathway, but not to PI3-K pathway.
【學(xué)位授予單位】:重慶醫(yī)科大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2012
【分類號】:R749.16
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
1 張頻捷;朱立新;耿小平;;p38 MAPK信號傳導(dǎo)通路及其抑制劑的研究現(xiàn)狀[J];安徽醫(yī)藥;2010年05期
2 趙秀鶴,遲兆富;MAPK信號轉(zhuǎn)導(dǎo)途徑及其在神經(jīng)系統(tǒng)疾病中作用的研究進(jìn)展[J];國外醫(yī)學(xué).神經(jīng)病學(xué)神經(jīng)外科學(xué)分冊;2005年03期
3 高旭紅;李兆圣;賴紅;;PI3-K/Akt信號通路對阿爾茨海默病神經(jīng)元凋亡的調(diào)節(jié)作用[J];解剖科學(xué)進(jìn)展;2008年03期
4 李亞男;金英;;MAPK信號轉(zhuǎn)導(dǎo)通路在阿爾茨海默病中作用的研究進(jìn)展[J];遼寧醫(yī)學(xué)院學(xué)報;2008年01期
5 周銀燕;邵建林;梁榮畢;衡新華;;內(nèi)源性H_2S和NO在大鼠腦缺血-再灌注損傷中的相互作用[J];昆明醫(yī)學(xué)院學(xué)報;2010年10期
6 任彩麗;李東亮;趙紅崗;甄萬里;王n\卿;候志慧;尹曉峰;;全腦缺血-再灌注大鼠腦組織內(nèi)源性硫化氫的動態(tài)變化[J];中國腦血管病雜志;2008年04期
7 李薇;趙光瑜;邵建林;;一氧化氮誘導(dǎo)海馬神經(jīng)元凋亡信號通路的研究[J];臨床麻醉學(xué)雜志;2008年04期
8 夏春咸;苗永昌;梁輝;;p38MAPK通路在消化系腫瘤研究中的新進(jìn)展[J];實用腫瘤雜志;2008年05期
9 連瑜;李澤宇;張國華;孫建清;;一氧化氮及其合成酶在腦缺血中的作用[J];中國藥物與臨床;2007年10期
10 施榮富,厲紅,王克玲;氣體類神經(jīng)遞質(zhì)與神經(jīng)系統(tǒng)疾病[J];中華兒科雜志;2004年09期
相關(guān)博士學(xué)位論文 前2條
1 張華;胰島素樣生長因子-1對PC12細(xì)胞APP代謝和BACE-1表達(dá)的影響及其機(jī)制的研究[D];重慶醫(yī)科大學(xué);2011年
2 蔡志友;BACE1在糖尿病大鼠海馬組織中的表達(dá)及胰島素信號通路對其表達(dá)的影響[D];重慶醫(yī)科大學(xué);2009年
相關(guān)碩士學(xué)位論文 前2條
1 代政偉;外源性硫化氫對PC12細(xì)胞APP/Aβ代謝途徑及BACE1表達(dá)的影響[D];重慶醫(yī)科大學(xué);2011年
2 李潔穎;胰島素信號通路磷脂酰肌醇-3激酶/絲氨酸蘇氨酸蛋白激酶對海馬神經(jīng)元BACE1表達(dá)的影響[D];重慶醫(yī)科大學(xué);2010年
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