目的探讨弥漫性大B细胞淋巴瘤(diffuse large B cell lymphoma,DLBCL)Bcl-2蛋白的表达,血管内皮生长因子(vascular endothelial growth factor,VEGF)和微血管密度(microvessel density,MVD)的相关性,研究弥漫性大B细胞淋巴瘤Bcl-2蛋白...目的探讨弥漫性大B细胞淋巴瘤(diffuse large B cell lymphoma,DLBCL)Bcl-2蛋白的表达,血管内皮生长因子(vascular endothelial growth factor,VEGF)和微血管密度(microvessel density,MVD)的相关性,研究弥漫性大B细胞淋巴瘤Bcl-2蛋白与血管新生的关系。方法采用免疫组织化学染色方法(En Vison)检测弥漫性大B细胞淋巴瘤患者和对照组淋巴结组织中VEGF、Bcl-2、MVD表达情况。结果弥漫性大B细胞淋巴瘤患者Bcl-2蛋白、MVD、VEGF阳性表达均明显高于对照组,差异有统计学意义(P<0.01)。对三者进行两两相关性分析,结果显示MVD与VEGF表达呈正相关,Bcl-2蛋白阳性表达与VEGF表达呈正相关,Bcl-2蛋白阳性表达与MVD表达呈正相关。结论 VEGF的高表达可以促进肿瘤细胞增殖能力及侵袭能力,可促进Bcl-2蛋白高表达,同时加上本身促血管生成的作用,可降低弥漫性大B细胞淋巴瘤细胞凋亡,从而增加弥漫性大B细胞淋巴瘤的恶性程度,既而增加了弥漫性大B细胞淋巴瘤的治疗难度。展开更多
The pathogenesis of liver disease from simple steatosis-metabolic dysfunction-associated steatotic liver disease(MASLD)-and the transition to inflammation and fibrosis-metabolic dysfunction-associated steatohepatitis(...The pathogenesis of liver disease from simple steatosis-metabolic dysfunction-associated steatotic liver disease(MASLD)-and the transition to inflammation and fibrosis-metabolic dysfunction-associated steatohepatitis(MASH)-is not well understood.However,cross-talk between subcutaneous white adipose tissue(WAT)and the liver may be of importance.展开更多
文摘The pathogenesis of liver disease from simple steatosis-metabolic dysfunction-associated steatotic liver disease(MASLD)-and the transition to inflammation and fibrosis-metabolic dysfunction-associated steatohepatitis(MASH)-is not well understood.However,cross-talk between subcutaneous white adipose tissue(WAT)and the liver may be of importance.