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间充质干细胞在克罗恩病治疗中的应用研究进展 被引量:3

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摘要 克罗恩病(CD)是炎症性肠病的一种,是多因素共同作用所致的肠道免疫失衡疾病。间充质干细胞(MSCs)可通过极化和归巢发挥其生物学功能。MSCs极化可分为促炎型MSC1与抗炎型MSC2,MSC1可抑制肿瘤细胞的增殖,MSC2在发挥抗炎作用的同时,促进肿瘤细胞的增殖、生长。MSCs的归巢可影响肿瘤细胞的增殖、凋亡及迁移。MSCs治疗CD的作用机制可能与免疫调节、极化、归巢、TLRs受体激活、组织修复与免疫原性低下等因素有关。目前用于CD治疗的MSCs主要来源于脂肪组织、骨髓及脐带血。MSCs适用于糖皮质激素、免疫抑制剂与生物制剂等治疗效果有限时的重症CD或合并肛瘘患者,尤其是对于复杂难治性肛瘘CD患者,MSCs治疗是一种很有前景的方法。应用前应判断CD疾病状态,排除腹腔、盆腔脓肿或其他感染。临床对MSCs治疗CD的剂量与疗程尚没有统一标准,MSCs给予方法有静脉输注、局部注射、肠系膜上动脉注射、股动脉注射等。MSCs治疗CD疗效及安全性均较好。
出处 《山东医药》 CAS 2021年第6期90-94,共5页 Shandong Medical Journal
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