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听力学及言语疾病杂志JOURNAL OF AUDIOLOGY AND SPEECH PATHOLOGY
2000 Vol.8 No.4 P.215-216,240
杂色和白色豚鼠听反应阈及耳蜗血管纹细胞增殖活性的差异
The difference in Auditory Threshold and Cell Proliferative Activity of the Stria Vascularis Between Pigmented and Albino Guinea Pigs
钟时勋
刘兆华
摘 要:目的研究杂色和白色成年豚鼠正常听反应阈及耳蜗血管纹细胞增殖活性的差异。方法用听觉诱发电位仪分别测定杂色和白色豚鼠40Hz听觉相关电位(40HzAERP)及听性脑干反应(ABR)阈值;用免疫组化法检测两种豚鼠耳蜗血管纹增殖细胞核抗原(PCNA)表达的差异。结果杂色和白色豚鼠耳蜗血管纹中间细胞PCNA染色均呈阳性,但前者PCNA的表达显著强于后者;两种豚鼠的听反应阈值无显著性差异。结论正常杂色和白色成年豚鼠血管纹中间细胞均具有增殖能力,但前者的增殖能力显著高于后者,不过这种差异并不造成两种豚鼠的正常听反应阈有明显差异。
关键词:豚鼠;耳蜗;增殖细胞核抗原;黑色素
文章编号:1006-7299(2000)04-0215-03
作者简介:钟时勋(1972-),男,四川人,硕士,主要从事内耳病理生理方面的研究。
作者单位:钟时勋(第三军医大学附属大坪医院野战外科研究所耳鼻咽喉-头颈外科重庆 400032)
刘兆华(第三军医大学附属大坪医院野战外科研究所耳鼻咽喉-头颈外科重庆 400032)
参考文献:
[1]Hilding DA,Ginzburg GD.Pigmentation of the stria vascularis [J].Acta Otolaryngol (Stockh),1977,84:24.
[2]Conlee JW,Bennett ML,Creel DJ.Differential effects of gentamicin on the distribution of cochlear function in the albino and pigmented guinea pig[J].Acta Otolaryngol(Stockh),1995,115:367.
[3]Conlee JW,Greity LC,Westenberg IS,et al.Pigment-dependent differences in the stria vascularis of albino and pigmented guinea pigs and rats.Hear Res,1994,72:108.
[4]Takahashi M,Hokunan K,Unno T.S-phase cells in the guinea pig endolymphatic sac.Acta Otolaryngol(Stockh),1994,114:259.
[5]Conlee JW,Gerity LC,Bennett ML.Ongoing proliferation of melanocytes in the stria vascularis of adult guinea pig.Hear Res,1994,79:115.
[6]于黎明,顾瑞,姜泗长.1 kHz短纯音诱发40Hz听觉相关电位的频率特性.中华耳鼻咽喉科杂志,1997,32:27.
[7]Conlee JW,Jensen RP,Parks TN,et al.Turn-specific and pigment-dependent differences in the stria vasualris of normal and gentamicin-treated albino and pigmented guinea pigs.Hear Res,1991,55:57.
[8]Gill SS,Salt A.Quantitative differences in endolymphatic calium and endocochlear potential betwwen pigmented and albino guniea pigs.Hear Res,1997,113:191.
