Partial Reprogramming Reverses Features of Aging in Human T Lymphocytes
2024

Reversing Aging in Human T Cells

Sample size: 4000 publication Evidence: moderate

Author Information

Author(s): Kimmel Jacob

Primary Institution: NewLimit, South San Francisco, California, United States

Hypothesis

Can partial reprogramming using diverse transcription factors restore youthful characteristics in aged human T lymphocytes?

Conclusion

Partial reprogramming can durably reverse the phenotypic age of human T cells without disrupting their identity.

Supporting Evidence

  • Partial reprogramming can restore youthful gene expression in aged T cells.
  • Diverse transcription factors can reverse cell age without affecting T cell identity.
  • TF combinations are more effective than individual factors in reversing cell age.

Takeaway

Scientists found a way to make old immune cells act young again by using special proteins, and this change can last even after the proteins are gone.

Methodology

Developed a screening technology called Partial-seq to measure the effect of partial reprogramming on gene expression across thousands of transcription factor sets.

Participant Demographics

Aged human T cells.

Digital Object Identifier (DOI)

10.1093/geroni/igae098.0869

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