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胆酸钠对山羊鼻腔相关扁桃体黏膜上皮吸收灭活病毒的影响

DOI: 10.7685/j.issn.1000-2030.2012.04.017, PP. 94-98

Keywords: 胆酸钠,山羊,扁桃体,灭活病毒

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Abstract:

为研究胆酸钠促进山羊鼻腔相关扁桃体黏膜上皮吸收禽流感灭活病毒的形态学机制,经鼻腔接种胆酸钠和禽流感灭活病毒后,用组织学光镜和电镜制片技术研究山羊咽扁桃体和咽鼓管扁桃体上皮结构的变化以及灭活病毒的吸收情况。结果表明单独应用灭活病毒后扁桃体黏膜上皮结构完整;而应用胆酸钠或胆酸钠配合灭活病毒后扁桃体中可观察到较多脱离黏膜上皮的细胞,脱落的细胞大部分是上皮细胞和淋巴细胞,上皮细胞间间隙增大,紧密连接被打开。应用胆酸钠配合灭活病毒后可观察到部分细胞内含有病毒的囊泡。鼻腔接种后第3天,应用胆酸钠的扁桃体黏膜上皮结构基本恢复,几乎没有观察到脱离上皮的细胞。结论胆酸钠通过打开山羊鼻腔相关扁桃体黏膜上皮细胞之间的紧密连接来促进灭活病毒的吸收;虽然胆酸钠可引起部分上皮脱落,但这种副作用是短暂的并是可修复的。

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