Comment on

• DNA repair is limiting for haematopoietic stem cells during ageing.

  Nijnik A, Woodbine L, Marchetti C, Dawson S, Lambe T, Liu C, Rodrigues NP, Crockford TL, Cabuy E, Vindigni A, Enver T, Bell JI, Slijepcevic P, Goodnow CC, Jeggo PA, Cornall RJ. Nijnik A, et al. Nature. 2007 Jun 7;447(7145):686-90. doi: 10.1038/nature05875. Nature. 2007. PMID: 17554302
• Deficiencies in DNA damage repair limit the function of haematopoietic stem cells with age.

  Rossi DJ, Bryder D, Seita J, Nussenzweig A, Hoeijmakers J, Weissman IL. Rossi DJ, et al. Nature. 2007 Jun 7;447(7145):725-9. doi: 10.1038/nature05862. Nature. 2007. PMID: 17554309