在接受移植的老年人中,抗供体T细胞反应没有减弱
Yu Sasaki1, Kentaro Ide, Yuka Tanaka
1From the Department of Gastroenterological and Transplant Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
概括
65岁及以上的脏移植接受者在移植后没有显示抗供体T细胞反应的下降. 这表明,在老年移植患者的免疫抑制降低时,需要谨慎.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 免疫学 免疫学 免疫学
- 移植手术 移植手术
背景情况:
- 老年患者的移植正在增加,但缺乏具体的治疗指南.
- 老年接受者通常被认为有更低的排斥风险,需要更少的免疫抑制.
- 最近的报道表明,老年活体捐赠者移植接受者中,慢性T细胞中介排斥的发生率较高.
研究的目的:
- 为了研究衰老对活体捐赠者移植接受者的抗捐赠者T细胞反应的影响.
- 为了比较老年人 (≥65岁) 和非老年移植接受者之间的T细胞反应.
- 为老年移植接受者提供免疫抑制策略的信息.
主要方法:
- 70名成年活体捐赠者脏移植接受者与负交叉匹配的回顾性评估.
- 使用基于环素的免疫抑制疗法.
- 进行了连续的混合淋巴细胞反应试验,以评估抗剂T细胞反应.
主要成果:
- 老年接受者更有可能从配偶那里接受移植.
- 在老年人群中观察到更多的HLA-DRB1不匹配.
- 在移植后的老年人群中,抗体供体低反应患者的比例没有增加.
结论:
- 老年活体捐赠者移植接受者的抗捐赠者T细胞反应不会随着时间的推移而减弱.
- 在减少免疫抑制剂在这个人群中之前,需要仔细考虑.
- 需要进一步的大规模前性研究来证实这些发现.
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