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J Clin Invest. 2004 Mar;113(6):805-6.

Fat's loss is bone's gain.

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  • 1Howard Hughes Medical Institute, Department of Pathology and Laboratory Medicine, University of California, Los Angeles, Los Angeles, California 90095-1662, USA.

Abstract

Osteoporosis, characterized by low bone mass and structural deterioration of bone tissue with an increased susceptibility to fractures, is a major public health threat to the elderly. Bone mass homeostasis in adults is maintained locally by the balance between osteoblastic bone formation and osteoclastic bone resorption. Haploinsufficiency of PPARgamma, a key transcription factor implicated previously in adipogenesis, lipid metabolism, and glucose homeostasis, has now been shown to promote osteogenesis through enhanced osteoblast formation. These findings support a reciprocal relationship between the development of bone and fat, and may prompt further exploration of the PPAR pathway as a potential target for intervention in osteoporosis.

PMID:
15067310
[PubMed - indexed for MEDLINE]
PMCID:
PMC362126
Free PMC Article
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