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INSL3 in the muscolo-skeletal system
Luca De Toni1, Alexander I Agoulnik2, Marco Sandri3
1Department of Medicine, University of Padova, Via Giustiniani 2, 35121, Padova, Italy.
Molecular and Cellular Endocrinology
|January 10, 2019
Summary
Insulin-like peptide 3 (INSL3) and its receptor RXFP2 play a key role in regulating the bone and skeletal muscle functional unit. This peptide offers potential new therapeutic targets for musculoskeletal conditions.
Area of Science:
- Endocrinology
- Musculoskeletal Biology
- Molecular Endocrinology
Background:
- Bone and skeletal muscle form a unified functional unit with complementary regulation.
- Hormonal regulation of this unit is primarily attributed to androgens, like testosterone.
- Emerging evidence highlights the role of insulin-like peptide 3 (INSL3) beyond testosterone's known anabolic effects.
Purpose of the Study:
- To review recent findings on the INSL3/RXFP2 axis in the musculoskeletal system.
- To explore mechanistic insights and phenotypic consequences of INSL3 signaling.
- To discuss potential pathophysiological and therapeutic implications.
Main Methods:
- Review of current scientific literature on INSL3 and RXFP2.
- Analysis of studies investigating INSL3's role in bone and muscle.
- Synthesis of data on mechanistic pathways and observed phenotypes.
Main Results:
- INSL3, acting via its receptor RXFP2, influences the musculoskeletal system.
- The INSL3/RXFP2 axis presents novel mechanisms of hormonal regulation.
- Research is uncovering specific phenotypic effects and potential disease links.
Conclusions:
- The INSL3/RXFP2 axis is a significant regulator of the bone-muscle unit.
- Understanding this axis opens new avenues for treating musculoskeletal disorders.
- Further research is warranted to fully elucidate its therapeutic potential.
