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Biological age adaptation in transplanted organs

Overview

Research indicates that transplanted organs may adapt their biological age to match the recipient rather than remaining fixed to the donor’s age. A study led by Harvard Medical School and Brigham and Women’s Hospital utilized epigenetic clocks to measure DNA methylation in mice and human biopsy samples. The findings showed that younger hearts aged more rapidly in older hosts, while older hearts showed signs of biological rejuvenation in younger recipients.

This molecular adaptation suggests that the recipient’s systemic environment, including hormones and chemical signals, plays a decisive role in organ aging. In clinical settings, medical professionals note that while older organs may have shorter functional lifespans, donor age is not an absolute barrier to transplantation, as the specific health and function of the organ are often more critical than chronological age.

Entities

Harvard University · Harvard Medical School · Jesse Poganik · Brigham and Women’s Hospital · Nature

Timeline

  1. [HEALTH] 3 sources
    Transplanted organs may adapt to recipient's biological age

    Studies show transplanted organs may adapt to a recipient's biological age, while clinicians emphasize that donor age is not a definitive disqualifier for successful organ transplantation.

  2. [HEALTH] 12 sources
    Transplanted hearts adapt biological age to recipients

    Research indicates that transplanted hearts adapt their biological age to match the recipient, with younger hearts aging faster in older hosts and older hearts rejuvenating in younger ones.

Sources

ascii.jp · fanpage.it · fehmarn24.de · focus.it · gizmodo.com · hna.de · kurierverlag.de · lifespan.io · merkur-online.de · newsweek.ro · sbircialanotizia.it · scientificamerican.com · stiintasitehnica.com · stiripesurse.ro · world-today-news.com