Does old-to-young kidney transplantation rejuvenate old donor kidneys?

Mayumi Takahashi-Kobayashi, Kunio Kawanishi, Joichi Usui, Satoshi Yamazaki, Surya V Seshan, Kunihiro Yamagata

Department of Nephrology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan.Department of Nephrology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan. · pubmed

Paper

Abstract

The number of older organ donors is increasing due to the aging population. Aged kidneys often face problems such as delayed graft function but previous murine experiments suggested the possibilities of rejuvenation, for example, in a parabiosis setting between old and young mice. To investigate kidney-graft rejuvenation, we compared an old-to-young (O-Y) patient transplantation group and a transplantation group with donors/recipients of approx. the same age (SA) with the renal senescence marker p16 in kidney biopsy samples at baseline and one year post-transplantation.

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Research summary

The paper claims that old-to-young kidney transplantation may rejuvenate old donor kidneys. This research is relevant as it explores the potential for rejuvenation of aging organs, addressing the underlying mechanisms of aging and their implications for longevity.

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