中国中西医结合肾病杂志
中國中西醫結閤腎病雜誌
중국중서의결합신병잡지
CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN NEPHROLOGY
2014年
10期
857-860
,共4页
汪丽%谌卫%彭忠将%刘长城%张彩虹%郭志勇
汪麗%諶衛%彭忠將%劉長城%張綵虹%郭誌勇
왕려%심위%팽충장%류장성%장채홍%곽지용
组蛋白去乙酰化酶抑制剂%SAHA%草酸钙结晶%氧化应激%OPN%CD44
組蛋白去乙酰化酶抑製劑%SAHA%草痠鈣結晶%氧化應激%OPN%CD44
조단백거을선화매억제제%SAHA%초산개결정%양화응격%OPN%CD44
Histone deacetylase inhibitor%SAHA%Crystallization of calcium oxalate%Oxidative stress%OPN%CD44
目的:观察组蛋白去乙酰化酶抑制剂辛二酰苯胺异羟肟酸(suberoylanilide hydroxamic acid,SAHA)对草酸钙结晶模型小鼠肾结晶沉积的作用,初步探讨 SAHA 对减轻草酸钙结晶肾损伤的机制。方法:24只 ICR 雄性小鼠随机分为4组,即空白对照组(A 组)和实验组(B、C、D 组);B 组:50 mg/ kg 的生理盐水(NS)+100 mg/ kg 乙醛酸盐,C 组:50 mg/ kg 的DMSO +100 mg/ kg 乙醛酸盐,D 组:50 mg/ kg 的 SAHA +100 mg/ kg 乙醛酸盐;实验组给予乙醛酸盐6 h 前分别予以 NS、DMSO、SAHA 50 mg/ kg 等量腹腔注射,7 d 后处死全部小鼠。检测各组小鼠肾组织钙含量水平,丙二醛(MDA)、超氧化物歧化酶(SOD)、谷胱甘肽还原酶(GSH)的含量或活力,并且在光镜下观察各组小鼠肾组织切片中草酸钙结晶的分布,免疫组化及其半定量分析比较骨桥蛋白(OPN)、CD44分子在肾脏中的表达情况。结果:与 B、C 组相比,D 组小鼠的肾组织钙含量和MDA 含量显著下降(P 均<0.05),肾组织切片冯库萨染色显示草酸钙结晶沉积明显减少(P <0.05),OPN 与 CD44表达水平也明显下降(P <0.05)。而 B 组与 C 组肾结晶形成的差异无统计学意义。结论:研究结果首次证实 SAHA 对减少小鼠草酸钙肾结晶形成有预防作用,而且其机制可能与抑制氧化应激和降低 OPN、CD44表达水平有关。
目的:觀察組蛋白去乙酰化酶抑製劑辛二酰苯胺異羥肟痠(suberoylanilide hydroxamic acid,SAHA)對草痠鈣結晶模型小鼠腎結晶沉積的作用,初步探討 SAHA 對減輕草痠鈣結晶腎損傷的機製。方法:24隻 ICR 雄性小鼠隨機分為4組,即空白對照組(A 組)和實驗組(B、C、D 組);B 組:50 mg/ kg 的生理鹽水(NS)+100 mg/ kg 乙醛痠鹽,C 組:50 mg/ kg 的DMSO +100 mg/ kg 乙醛痠鹽,D 組:50 mg/ kg 的 SAHA +100 mg/ kg 乙醛痠鹽;實驗組給予乙醛痠鹽6 h 前分彆予以 NS、DMSO、SAHA 50 mg/ kg 等量腹腔註射,7 d 後處死全部小鼠。檢測各組小鼠腎組織鈣含量水平,丙二醛(MDA)、超氧化物歧化酶(SOD)、穀胱甘肽還原酶(GSH)的含量或活力,併且在光鏡下觀察各組小鼠腎組織切片中草痠鈣結晶的分佈,免疫組化及其半定量分析比較骨橋蛋白(OPN)、CD44分子在腎髒中的錶達情況。結果:與 B、C 組相比,D 組小鼠的腎組織鈣含量和MDA 含量顯著下降(P 均<0.05),腎組織切片馮庫薩染色顯示草痠鈣結晶沉積明顯減少(P <0.05),OPN 與 CD44錶達水平也明顯下降(P <0.05)。而 B 組與 C 組腎結晶形成的差異無統計學意義。結論:研究結果首次證實 SAHA 對減少小鼠草痠鈣腎結晶形成有預防作用,而且其機製可能與抑製氧化應激和降低 OPN、CD44錶達水平有關。
목적:관찰조단백거을선화매억제제신이선분알이간우산(suberoylanilide hydroxamic acid,SAHA)대초산개결정모형소서신결정침적적작용,초보탐토 SAHA 대감경초산개결정신손상적궤제。방법:24지 ICR 웅성소서수궤분위4조,즉공백대조조(A 조)화실험조(B、C、D 조);B 조:50 mg/ kg 적생리염수(NS)+100 mg/ kg 을철산염,C 조:50 mg/ kg 적DMSO +100 mg/ kg 을철산염,D 조:50 mg/ kg 적 SAHA +100 mg/ kg 을철산염;실험조급여을철산염6 h 전분별여이 NS、DMSO、SAHA 50 mg/ kg 등량복강주사,7 d 후처사전부소서。검측각조소서신조직개함량수평,병이철(MDA)、초양화물기화매(SOD)、곡광감태환원매(GSH)적함량혹활력,병차재광경하관찰각조소서신조직절편중초산개결정적분포,면역조화급기반정량분석비교골교단백(OPN)、CD44분자재신장중적표체정황。결과:여 B、C 조상비,D 조소서적신조직개함량화MDA 함량현저하강(P 균<0.05),신조직절편풍고살염색현시초산개결정침적명현감소(P <0.05),OPN 여 CD44표체수평야명현하강(P <0.05)。이 B 조여 C 조신결정형성적차이무통계학의의。결론:연구결과수차증실 SAHA 대감소소서초산개신결정형성유예방작용,이차기궤제가능여억제양화응격화강저 OPN、CD44표체수평유관。
Objective:To observe the effect of Histone Deacetylase inhibitor SAHA on kidney crystal formation in calcium oxalate Model Mice,and to investigate the underlying mechanism of renoprotective effect of SAHA. Methods:Twenty - four male ICR rats were randomly divided into four groups:namely blank control group(A group)and experiment groups( B、C、D group),B group:50 mg/ kg normal saline(NS)+ 100 mg/ kg glyoxylate,C group:50 mg/ kg DMSO + 100 mg/ kg glyoxylate,D group:50 mg/ kg SAHA + 100 mg/ kg glyoxylate. The rats in experiment groups were injected with 50 mg/ kg NS,DMSO,SAHA into abdominal cavity respectively 6 hours before glyoxylate. Rats were sacrified after seven days and the kidneys were harvested to detect calcium concentra-tion levels,malondialdehyde(MDA),superoxide dismutase(SOD)and glutathione reductase(GSH). Furthermore,we observed the distribution of crystallization of calcium oxalate in kidney tissue by microscopy. Immunohistochemical staining and semi - quantita-tive analysis were used to detect the expression of osteopontin(OPN)and its cell surface receptor CD44 . Results:Compared with B、C group,the levels of the calcium concentration,MDA siginificantly decreased and crystallization of calcium oxalate in kidney tissue as well as the expression of OPN,CD44 were also lower in D group(all P < 0. 05). However,the crystallization of calcium oxalate be-tween B and C groups had no statistical differences. Conclusion:The results of this study firstly prove the preventive effect of SAHA treatment for kidney crystal formation and the mechanism may involves inhibition of oxidative stress and downregulating levels of OPN, CD44 .