目的:β淀粉樣蛋白(β-amyloid precursor protein,β-APP)是已知的參與阿爾茨海默病機(jī)制的關(guān)鍵因子。β-APP是否參與難治性癲癇中的病理機(jī)制并不清楚。這項(xiàng)研究在于了解β-APP的蛋白在難治性癲癇患者術(shù)后顳葉皮質(zhì)和海馬組織中的表達(dá)是否異常。方法:免疫熒光法半定量測(cè)定難治性癲癇患者術(shù)后顳葉皮質(zhì)和海馬組織中的β-APP陽(yáng)性蛋白的熒光值,并應(yīng)用統(tǒng)計(jì)軟件對(duì)實(shí)驗(yàn)數(shù)據(jù)進(jìn)行單因素方差分析。結(jié)果:免疫熒光強(qiáng)度值分析結(jié)果顯示β-APP在耐藥性癲癇腦組織中表達(dá)較對(duì)照組明顯增高且有統(tǒng)計(jì)學(xué)意義。結(jié)論:β-APP在難治性癲癇腦組織中異常增高,增高的β-APP可能參與了難治性癲癇的病理機(jī)制。
引用本文: 蔣世杰,楊小芳,李勁梅. 免疫熒光和免疫組化聯(lián)合檢測(cè)難治性癲癇患者腦組織中β類淀粉蛋白的表達(dá). 華西醫(yī)學(xué), 2009, 24(1): 32-34. doi: 復(fù)制
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- 1. Salinero O,MorenoFlores MT,Wandosell F.Increasing neurite outgrowth capacity of βamyloid precursor protein proteoglycan in Alzheimer’s disease[J].J Neurosci Res,2000,60(1):87-97..
- 2. 吳遜,沈鼎烈.難治性癲癇[J].中華神經(jīng)科雜志,1998,31:4..
- 3. 王學(xué)峰,肖波,孫紅斌.難治性癲癇[M].上海科學(xué)技術(shù)出版社,2001:5-11..
- 4. Perez RG,Zheng H,Van der Ploeg LH,et al.The βamyloid precursor protein of Alzheimer’s disease enhances neuron viability and modulates neuronal polarity[J].J Neurosci,1997,17(24):9407-9414..
- 5. Niess C,Grauel U,Toennes SW,et al.Incidence of axonal injury in human brain tissue[J].Acta Neuropathol(Berl),2002,104(1):79-84..
- 6. Smith DH,Chen XH,Iwata A,et al.Amyloid β accumulation in axons after traumatic brain injury in humans[J].J Neurosurg,2003,98(5):1072-1077..
- 7. GordonKrajcer W,Gajkowska B.Excitotoxicityinduced expression of amyloid precursor protein (βAPP) in the hippocampus and cortex of rat brain.An electronmicroscopy and biochemical study[J].Folia Neuropathol,2001,39(3):163-173..
- 8. 汪建華,王學(xué)峰,龔云,等.耐藥性癲癇患者術(shù)后腦組織中Tau蛋白的表達(dá)[J].中華神經(jīng)科雜志,2005,38(9):543-546..
- 9. Tomizawa K,Cai XH,Moriwaki A,et al.Involvement of cyclindependent kinase 5/p35(nck5a) in the synaptic reorganization of rat hippocampus during kindling progression[J].Jpn J Physiol,2000,50(5):525-532.
- 10. Pollard H,Khrestchatisky M,Moreau J,et al.Correlation between reactive sprouting and microtubule protein expression in epileptic hippocampus[J].Nuroscience,1994,63(2):627..
- 11. Hoshi M,Sato M,Matsumoto S,et al.Spherical aggregates of βamyloid (amylospheroid) show high neurotoxicity and activate tau protein kinase Ⅰ/glycogen synthase kinase3β[J].Proc Natl Acad Sci USA,2003,100(11):6370-6375..
- 12. Han P,Dou F,Li F,et al.Suppression of cyclindependent kinase 5 activation by amyloid precursor protein:a novel excitoprotective mechanism involving modulation of tau phosphorylation[J].J Neurosci,2005,25(50):11542-11552..
- 13. Takashima A,Honda T,Yasutake K,et al.Activation of tau protein kinase Ⅰ/glycogen synthase kinase3β by amyloid β peptide (2535) enhances phosphorylation of tau in hippocampal neurons[J].Neurosci Res,1998,31(4):317-323..
- 14. Lee MS,Kwon YT,Li M,et al.Neurotoxicity induces cleavage of p35 to p25 by calpain[J].Nature,2000,405(6784):360-364..
- 15. Greenberg SM,Koo EH,Selkoe DJ,et al.Secreted βamyloid precursor protein stimulates mitogenactivated protein kinase and enhances tau phosphorylation[J].Proc Natl Acad Sci USA,1994,91(15):7104-7108.