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Aging (Albany NY). 2010 Dec;2(12):1017-22.

Rejuvenating somatotropic signaling: a therapeutical opportunity for premature aging?

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1
Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología, Universidad de Oviedo, 33006-Oviedo, Spain.

Abstract

We have recently reported that progeroid Zmpste24-/- mice, which exhibit multiple defects that phenocopy Hutchinson-Gilford progeria syndrome, show a profound dysregulation of somatotropic axis, mainly characterized by the occurrence of very high circulating levels of growth hormone (GH) and a drastic reduction in insulin-like growth factor-1 (IGF-1). We have also shown that restoration of the proper GH/IGF-1 balance in Zmpste24-/- mice by treatment with recombinant IGF-1 delays the onset of many progeroid features in these animals and significantly extends their lifespan. Here, we summarize these observations and discuss the importance of GH/IGF-1 balance in longevity as well as its modulation as a putative therapeutic strategy for the treatment of human progeroid syndromes.

PMID:
21212467
PMCID:
PMC3034170
DOI:
10.18632/aging.100262
[Indexed for MEDLINE]
Free PMC Article
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