Damage modes of hepatocytes after bilateral nephrectomy in rats
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Damage modes of hepatocytes after bilateral nephrectomy in rats
Journal of Chongqing Medical UniversityVol. 38, Issue 6, Pages: 781-785(2014)
作者机构:
辽宁医学院科学实验中心,辽宁,121000
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Published:2014,
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Liu Yuling, Bao Cuifen, Shao Youzhi. Damage modes of hepatocytes after bilateral nephrectomy in rats. [J]. Journal of Chongqing Medical University 38(6):781-785(2014)
DOI:
Liu Yuling, Bao Cuifen, Shao Youzhi. Damage modes of hepatocytes after bilateral nephrectomy in rats. [J]. Journal of Chongqing Medical University 38(6):781-785(2014)DOI:
Damage modes of hepatocytes after bilateral nephrectomy in rats
Objective:To observe the morphological changes of hepatocyte injury induced by bilateral nephrectomy due to non ischemic acute kidney injury(NIAKI). Methods:Western blot,immunohistochemical staining,light and electron microscopy were used in this observation at 24 h after bilateral nephrectomy. Results:Acute liver damage was observed at 24 h after bilateral nephrectomy. Necrotic and vacuolization lesions were predominately evident in damaged livers after nephrectomy. Besides necrosis,hepatocytes with vac-uolization was also observed under electron microscopes. Meanwhile,polyADP-ribose polymerase-1(PARP-1),tumor necrosis factor receptor 1 and caspase-3 were expressed much stronger in NIAKI associated livers by Western blot analysis. Immunohistochemical staining demonstrated that PARP-1 positive nucleuses and caspase-3 positive cells were observed in the acute hepatic injury induced by nephrectomy. Conclusion:NIAKI can induce necrosis,apoptosis and vacuolation of liver cells,more evident in necrosis and apop-tosis,based on morphological observation. PARP mediated cell death and caspase-dependent cell death are involved in NIAKI asso-ciated hepatic damages.
关键词
非缺血性急性肾损伤双侧肾切除肝细胞坏死PARP-1介导的细胞死亡凋亡caspase依赖的细胞死亡
Keywords
non ischemic acute kidney injurybilateral nephrectomyhepatocytenecrosisPARP-1 mediated cell deathapoptosiscaspase dependent cell death