部分门静脉动脉化对大鼠肝门部胆管的影响

Journal of Chinese PLA Postgraduate Medical School(2011)

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Abstract
目的探讨部分门静脉动脉化重建胆管血流后对大鼠肝门部胆管、肝功能及胆管上皮细胞凋亡的影响。方法 45只大鼠随机分为对照组(A组)、肝动脉结扎组(B组)和部分门静脉动脉化组(C组),每组15只,分别于术后3d、7d和1月应用HE染色观察胆管病理学改变,检测血清ALP、GGT变化、肝门部胆管上皮细胞的凋亡情况。结果 A组各时间点肝门部胆管未见明显改变,B组术后3d,可见部分胆管上皮细胞胞质空泡化,7d胆管壁增厚,伴腺体增生,仍可见少量上皮细胞胞质空泡化,1个月胆管壁恢复正常;C组仅3d时出现胆管上皮细胞轻度水肿,无胞质空泡化及腺体增生。血清ALP、GGT均值B组最高,但无统计学意义。各组肝门部胆管上皮细胞均未检测到阳性凋亡。结论部分门静脉动脉化明显减轻肝总动脉结扎后对大鼠肝门部胆管的损害。
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Key words
Rats,Apoptosis,Bile Ducts,Portal Vein
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