Scientists reversed some signs of immune aging in mice with a new treatment that could one day potentially be used in humans.
The new immunotherapy works by disrupting a natural process by which the immune system becomes biased towards making one type of cell as it ages.
The mouse study is an “important” proof-of-concept, but it’s currently difficult to gauge the significance of the findings, Dr. Janko Ž. Nikolich-Zugich, a professor of immunobiology at the University of Arizona who was not involved in the research, told Live Science in an email. More work is needed to see how well the therapy shifts the immune system into a more youthful, effective state.
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