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异基因造血干细胞移植患者抗内皮细胞抗体阳性血清对人脐带内皮细胞的作用
  • ISSN号:0253-2727
  • 期刊名称:《中华血液学杂志》
  • 时间:0
  • 分类:R457.7[医药卫生—治疗学;医药卫生—临床医学]
  • 作者机构:[1]中国医学科学院、北京协和医学院血液学研究所、血液病医院,天津300020
  • 相关基金:国家自然科学基金青年基金(81200116);国家863计划(2013AA020103);心肌缺血省部共建教育部重点实验室(哈尔滨医科大学)开放基金(KF201213、KF201303)
中文摘要:

目的 探讨抗内皮细胞抗体(AECA)介导的血管内皮(EC)损伤在异基因造血干细胞移植(allo-HSCT)中的病理生理机制.方法 收集allo-HSCT后患者的血清并纯化IgG型免疫球蛋白,将后者与人脐静脉内皮细胞(HUVEC)共培养,观察HUVEC的功能变化及凋亡情况.结果 HUVEC与AECA阳性的IgG共培养后,黏附分子表达显著增高:IgG浓度为160、320、640 μg/ml时,上清可溶性胞间黏附分子-1浓度分别为(117.10±12.82)对(78.17±4.90)pg/ml,(151.30±15.35)对(89.46±6.02)pg/ml,(239.00±32.53)对(127.8±13.86) pg/ml(P值均<0.01);IgG浓度为40、80、160、320、640μg/ml时,上清可溶性血管细胞黏附分子-1浓度分别为(38.51±3.762)对(24.78±250)pg/ml,(61.34±6.99)对(38.20±3.17)pg/ml,(135.60±24.46)对(63.73±5.08)pg/ml,(221.3±29.40)对(112.80±8.91)pg/ml,(420.90±31.70)对(224.40±20.79)pg/ml(P值均<0.01).HUVEC与AECA阳性的IgG共培养后,凝血活性因子表达显著增高:IgG浓度为80、160,320、640 μg/ml时,上清血管性血友病因子浓度分别为(19.51±0.72)对(17.17±0.60) ng/ml,(22.97±1.18)对(18.27±0.614)ng/ml,(26.40± 1.54)对(19.53±0.701)ng/ml,(34.35±1.60)对(23.81±0.92)ng/ml(P值均<0.05);IgG浓度为320、640 μg/ml时,上清血栓调节素浓度分别为(57.50±4.50)对(40.31±4.39)pg/ml,(59.18±4.11)对(38.84±5.16)pg/ml(P值均<0.05).AECA阳性IgG对HUVEC分泌炎性因子(IL-1β、IL-6、IL-8及ANG2)无明显作用(P>0.05).此外,AECA并不诱导HUVEC凋亡,对细胞增殖亦无影响(P>0.05).结论 AECA能引起EC功能发生显著变化,并不引起细胞凋亡,对于阐明AECA介导的EC损伤在移植物抗宿主病等移植并发症中的作用机制有重要意义.

英文摘要:

Objective To clarify the role of endothelial cells (ECs) injury induced by antiendothelial cell antibody (AECA) in allogeneic hematopoietic stem cell transplantation (allo-HSCT).Methods Serum immunoglobulin (IgG) from allo-HSCT recipients were purified and incubated with human umbilical vein vascular endothelium (HUVEC) in vitro,then the functional changes and cell apoptosis were tested.Results After incubation with AECA positive IgG,soluble adhesion molecules significantly elevated in culture supernatant.When concentration of IgG was 160,320,and 640 μg/ml,concentrations of soluble intercellular adhesion molecule-1 in supernatant were statistically higher in AECA positive groups [(117.10±12.82) vs (78.17±4.90) pg/ml,(151.30±15.35) vs (89.46±6.02) pg/ml,(239.00±32.53) vs (127.80± 13.86) pg/ml,P<0.01)].When concentration of IgG was 40,80,160,320,and 640 μg/ml,concentrations of soluble vascular cell adhesion molecule-1 in supernatant were also statistically higher in AECA positive groups [(38.51±3.76) vs (24.78±2.59) pg/ml,(61.34±6.99) vs (38.20±3.17) pg/ml,(135.60±24.46) vs (63.73±5.08) pg/ml,(221.30±29.40) vs (112.80±8.91) pg/ml,(420.90 ± 31.70) vs (224.40 ± 20.79) pg/ml,P<0.01].Clotting activity factors also elevated in culture supematant after incubation with AECA positive IgG.When concentration of IgG was 80,160,320,and 640 μg/ml,concentrations of von Willebrand factor were statistically higher in AECA positive groups [(19.51±0.72) vs (17.17±0.60) ng/ml,P=0.0193;(22.97±1.18) vs (18.27±0.61) ng/ml,(26.40±1.54) vs (19.53±0.70) ng/ml,(34.35±1.60) vs (23.81±0.92) ng/ml,P<0.01].When concentration ofIgG was 320 and 640 μg/ml,concentrations of thrombomodulin were statistically higher in AECA positive groups [(57.50±4.50) vs (40.31±4.39) pg/ml,P=0.0132;(59.18±4.11) vs (38.84±5.16) pg/ml,P<0.01].However,inflammatory factors (IL-1β,IL-6,IL-8 and A

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期刊信息
  • 《中华血液学杂志》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中华医学会
  • 主编:
  • 地址:天津市南京路288号
  • 邮编:300020
  • 邮箱:cnblood82@yahoo.com.cn
  • 电话:022-27304167
  • 国际标准刊号:ISSN:0253-2727
  • 国内统一刊号:ISSN:12-1090/R
  • 邮发代号:6-54
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘(网络版),荷兰文摘与引文数据库,美国生物医学检索系统,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊(2004版),中国北大核心期刊(2008版),中国北大核心期刊(2011版),中国北大核心期刊(2014版),中国北大核心期刊(2000版)
  • 被引量:25538