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口服普萘洛尔对婴幼儿血管瘤相关生长因子及凋亡因子表达水平的影响
by
李铭 郭志辉 谢义德 周亚宽 陈小松 江成鸿 詹明坤 王立敏
in
凋亡诱导因子
/ 普萘洛尔
/ 血管生成蛋白质类
/ 血管瘤
2015
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口服普萘洛尔对婴幼儿血管瘤相关生长因子及凋亡因子表达水平的影响
by
李铭 郭志辉 谢义德 周亚宽 陈小松 江成鸿 詹明坤 王立敏
in
凋亡诱导因子
/ 普萘洛尔
/ 血管生成蛋白质类
/ 血管瘤
2015
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Journal Article
口服普萘洛尔对婴幼儿血管瘤相关生长因子及凋亡因子表达水平的影响
2015
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目的观察口服普萘洛尔对婴幼儿血管瘤病灶内相关生长因子及凋亡因子表达水平的影响。方法选择2010年5月-2011年12月收治的年龄≤3个月、血管瘤病灶位于肢体或隐蔽部位、家属要求手术治疗但具备单独口服普萘洛尔治疗条件、排除用药禁忌证、先前未接受过任何治疗的病例作为研究对象,共39例。所有患者均在局麻下夹取血管瘤体组织活检,然后口服普萘洛尔(每次1mg/kg,每12h服药一次)8周,继而手术切除瘤体。通过HE染色观察用药前后组织结构及细胞形态的变化,采用免疫组化、实时荧光定量RT-PCR检测用药前后病灶组织内ADRB1、ADRB2、ERK、Akt、NF-κB、VEGFA、Cyclin D1、Cyclin E1、Ki-67、Bax、Bcl-2、caspase-8、Fas、Fas L、caspase-9、caspase-3表达水平的变化,并分别用CD34、Ki-67免疫组化染色及TUNEL染色检测用药前后病灶内新生血管密度(MVD)、细胞增殖情况(Ki-67阳性率)以及细胞凋亡指数。结果与用药前比较,口服普萘洛尔后血管瘤病灶内ADRB1、ADRB2、ERK、Akt、NF-κB、VEGFA、Cyclin D1、Cyclin E1、Ki-67、Bcl-2表达水平明显下降(P〈0.01),Bax、caspase-3、caspase-9表达水平明显增高(P〈0.01),Fas、Fas L、caspase-8表达水平无明显改变(P〉0.05)。与用药前比较,用药后病灶内MVD、Ki-67阳性率明显下降(P〈0.01),凋亡指数明显增高(P〈0.01)。结论普萘洛尔可通过调节MAPKs和PI3K-Akt通路抑制血管瘤增殖,促进内源性凋亡,但对外源性凋亡途径无明显影响。
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