Mouse models for understanding the growth hormone insulin-like growth factor-I axis.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Mouse models that include spontaneous mutations, as well as those carrying allelic differences, have been extremely useful in clarifying the role of skeletal and circulating insulin-like growth factor I (IGF-I) in peak bone acquisition. The role of peroxisome proliferator-activated receptor gamma, a nuclear receptor and key differentiation factor for adipogenesis, has provided new insights into the relationship of marrow fat to skeletal mass. Mouse models continue to deepen our understanding of IGF-I signaling and the role of IGF-I in determining marrow stromal cell fate.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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