广州医学院学报
廣州醫學院學報
엄주의학원학보
ACADEMIC JOURNAL OF GUANGZHOU MEDICAL COLLEGE
2014年
2期
30-33
,共4页
余卫%李萡%罗英%谭雪芳%陈玲珍
餘衛%李萡%囉英%譚雪芳%陳玲珍
여위%리萡%라영%담설방%진령진
再生障碍性贫血%骨髓间充质干细胞%移植%淋巴细胞%T细胞
再生障礙性貧血%骨髓間充質榦細胞%移植%淋巴細胞%T細胞
재생장애성빈혈%골수간충질간세포%이식%림파세포%T세포
aplastic anemia%bone marrow mesenchymal stem cells%transplantation%lymphocytes%T cells
目的:探索异基因骨髓间充质干细胞( allo-BMSC)对重型再生障碍性贫血( SAA)患者T细胞免疫功能的影响。方法:将allo-BMSC与SAA患者( n=15)外周血T细胞按不同比例( allo-BMSC:T cell分别为0∶1,1∶100,1∶50,1∶25)及进行共培养。72 h后,检测T cell数及allo-BMSC:T cell分别为0∶1(对照组)和1∶25(allo-BMSC组)上清中IL-10、IFN-γ、TNFα的含量。结果:(1).不同比例allo-BMSC(0∶1,1∶100,1∶50,1∶25)对SAA患者T淋巴细胞增殖抑制率分别为3%±2%,51%±17%,64%±21%,73%±18%,抑制作用与allo-BMSC的数量呈正相关(r=0.684,P<0.001);(2).allo-BMSC组IL-10浓度显著增加[(300±175)ng/mL vs (25±14)pg/mL,P<0.05],allo-BMSC组IFN-γ浓度显著降低[(2.1±1.5)ng/mL vs(3.5±1.9) ng/mL,P<0.05];allo-BMSC组TNFα浓度显著降低[(8±5)pg/mL vs (17±11)pg/mL,P<0.05]。结论:allo-BMSC可以抑制SAA患者T细胞增殖,并减低Th1细胞炎性因子的表达,而增加Th2细胞因子的表达。
目的:探索異基因骨髓間充質榦細胞( allo-BMSC)對重型再生障礙性貧血( SAA)患者T細胞免疫功能的影響。方法:將allo-BMSC與SAA患者( n=15)外週血T細胞按不同比例( allo-BMSC:T cell分彆為0∶1,1∶100,1∶50,1∶25)及進行共培養。72 h後,檢測T cell數及allo-BMSC:T cell分彆為0∶1(對照組)和1∶25(allo-BMSC組)上清中IL-10、IFN-γ、TNFα的含量。結果:(1).不同比例allo-BMSC(0∶1,1∶100,1∶50,1∶25)對SAA患者T淋巴細胞增殖抑製率分彆為3%±2%,51%±17%,64%±21%,73%±18%,抑製作用與allo-BMSC的數量呈正相關(r=0.684,P<0.001);(2).allo-BMSC組IL-10濃度顯著增加[(300±175)ng/mL vs (25±14)pg/mL,P<0.05],allo-BMSC組IFN-γ濃度顯著降低[(2.1±1.5)ng/mL vs(3.5±1.9) ng/mL,P<0.05];allo-BMSC組TNFα濃度顯著降低[(8±5)pg/mL vs (17±11)pg/mL,P<0.05]。結論:allo-BMSC可以抑製SAA患者T細胞增殖,併減低Th1細胞炎性因子的錶達,而增加Th2細胞因子的錶達。
목적:탐색이기인골수간충질간세포( allo-BMSC)대중형재생장애성빈혈( SAA)환자T세포면역공능적영향。방법:장allo-BMSC여SAA환자( n=15)외주혈T세포안불동비례( allo-BMSC:T cell분별위0∶1,1∶100,1∶50,1∶25)급진행공배양。72 h후,검측T cell수급allo-BMSC:T cell분별위0∶1(대조조)화1∶25(allo-BMSC조)상청중IL-10、IFN-γ、TNFα적함량。결과:(1).불동비례allo-BMSC(0∶1,1∶100,1∶50,1∶25)대SAA환자T림파세포증식억제솔분별위3%±2%,51%±17%,64%±21%,73%±18%,억제작용여allo-BMSC적수량정정상관(r=0.684,P<0.001);(2).allo-BMSC조IL-10농도현저증가[(300±175)ng/mL vs (25±14)pg/mL,P<0.05],allo-BMSC조IFN-γ농도현저강저[(2.1±1.5)ng/mL vs(3.5±1.9) ng/mL,P<0.05];allo-BMSC조TNFα농도현저강저[(8±5)pg/mL vs (17±11)pg/mL,P<0.05]。결론:allo-BMSC가이억제SAA환자T세포증식,병감저Th1세포염성인자적표체,이증가Th2세포인자적표체。
Objective:To explore the effects of allogeneic bone marrow mesenchymal stem cells ( allo-BMSCs) on T lymphocytes in patients with severe aplastic anemia. Methods: The allo-BMSCs were cocultured with T cells derived from 15 patients with severe aplastic anemia ( allo-BMSC/T cell ratio, 0∶1, 1∶100, 1∶50 and 1∶25 ) . T cells count and cytokine levels ( IL-10, IFN-γ and TNF-α) in culture supernatants were determined in control group ( allo-BMSC/T cell ratio, 0:1) and allo-BMSC group ( allo-BMSC/T cell ratio, 0:25) after 72 hours of cultivation. Results: The allo-BMSCs of different ratios ( 0∶1, 1∶100, 1∶50, 1∶25) resulted in the suppression rate of proliferation of 3%± 2%, 51%± 17%,64%± 21% and 73%± 18%,respectively,suggesting a positive correlation between the inhibitory effects and allo-BMSC count ( r=0.684,P<0.001). The allo-BMSCs group was associated with markedly higher levels of IL-10 [(300±175)ng/mL vs (25± 14)pg/mL,P<0.05] and decreased levels of IFN-γ [(2.1±1.5) ng/mL vs (3.5±1.9)ng/mL, P<0.05] and TNF-α [(8±5)pg/mL vs (17±11)pg/mL, P<0.05] in the supernatant. Conclusion: The allo-BMSCs may inhibit T cell proliferation,attenuate Th1 cytokines expression and augment Th2 expression.