Telomere shortening impairs organ regeneration by inhibiting cell cycle re-entry of a subpopulation of cells

Satyanarayana Ande, S. U. Wiemann, J. Buer, J. Lauber, K. E.J. Dittmar, T. Wüstefeld, M. A. Blasco, M. P. Manns, K. L. Rudolph

Research output: Contribution to journalArticle

121 Citations (Scopus)

Abstract

Telomere shortening limits the regenerative capacity of primary cells in vitro by inducing cellular senescence characterized by a permanent growth arrest of cells with critically short telomeres. To test whether this in vitro model of cellular senescence applies to impaired organ regeneration induced by telomere shortening in vivo, we monitored liver regeneration after partial hepatectomy in telomerase-deficient mice. Our study shows that telomere shortening is heterogeneous at the cellular level and inhibits a subpopulation of cells with critically short telomeres from entering the cell cycle. This subpopulation of cells with impaired proliferative capacity shows senescence-associated β-galactosidase activity, while organ regeneration is accomplished by cells with sufficient telomere reserves that are capable of additional rounds of cell division. This study provides experimental evidence for the existence of an in vivo process of cellular senescence induced by critical telomere shortening that has functional impact on organ regeneration.

Original languageEnglish (US)
Pages (from-to)4003-4013
Number of pages11
JournalEMBO Journal
Volume22
Issue number15
DOIs
StatePublished - Aug 1 2003

Fingerprint

Telomere Shortening
Reentry
Regeneration
Cell Cycle
Cells
Cell Aging
Telomere
Galactosidases
Telomerase
Liver Regeneration
Liver
Hepatectomy
Cell Division
Growth

Keywords

  • Cell cycle
  • DNA damage
  • G
  • Organ regeneration
  • S arrest
  • Senescence

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

Cite this

Ande, S., Wiemann, S. U., Buer, J., Lauber, J., Dittmar, K. E. J., Wüstefeld, T., ... Rudolph, K. L. (2003). Telomere shortening impairs organ regeneration by inhibiting cell cycle re-entry of a subpopulation of cells. EMBO Journal, 22(15), 4003-4013. https://doi.org/10.1093/emboj/cdg367

Telomere shortening impairs organ regeneration by inhibiting cell cycle re-entry of a subpopulation of cells. / Ande, Satyanarayana; Wiemann, S. U.; Buer, J.; Lauber, J.; Dittmar, K. E.J.; Wüstefeld, T.; Blasco, M. A.; Manns, M. P.; Rudolph, K. L.

In: EMBO Journal, Vol. 22, No. 15, 01.08.2003, p. 4003-4013.

Research output: Contribution to journalArticle

Ande, S, Wiemann, SU, Buer, J, Lauber, J, Dittmar, KEJ, Wüstefeld, T, Blasco, MA, Manns, MP & Rudolph, KL 2003, 'Telomere shortening impairs organ regeneration by inhibiting cell cycle re-entry of a subpopulation of cells', EMBO Journal, vol. 22, no. 15, pp. 4003-4013. https://doi.org/10.1093/emboj/cdg367
Ande, Satyanarayana ; Wiemann, S. U. ; Buer, J. ; Lauber, J. ; Dittmar, K. E.J. ; Wüstefeld, T. ; Blasco, M. A. ; Manns, M. P. ; Rudolph, K. L. / Telomere shortening impairs organ regeneration by inhibiting cell cycle re-entry of a subpopulation of cells. In: EMBO Journal. 2003 ; Vol. 22, No. 15. pp. 4003-4013.
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