Journal
BIOLOGY OF SEX DIFFERENCES
Volume 14, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13293-023-00500-3
Keywords
Sex; Cartilage; Degeneration; Regeneration; Stem cell therapy; Hormone
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Despite recognition of sex-based differences in cartilage biology, the implications for study design and treatment efficacy remain unclear. This paper summarizes current findings on sex-dependent variation in knee anatomy, sex hormones' effect on cartilage, and cartilaginous degeneration and regeneration, with a focus on stem cell therapies. The contribution of both stem cell donor and recipient sex to sex-related differences in treatment efficacy is highlighted. More research is needed to optimize strategies for cartilage regeneration, taking sex into account for more effective and personalized treatments.
Despite acknowledgement in the scientific community of sex-based differences in cartilage biology, the implications for study design remain unclear, with many studies continuing to arbitrarily assign demographics. Clinically, it has been well-established that males and females differ in cartilage degeneration, and accumulating evidence points to the importance of sex differences in the field of cartilage repair. However, a comprehensive review of the mechanisms behind this trend and the influence of sex on cartilage regeneration has not yet been presented. This paper aims to summarize current findings regarding sex-dependent variation in knee anatomy, sex hormones' effect on cartilage, and cartilaginous degeneration and regeneration, with a focus on stem cell therapies. Findings suggest that the stem cells themselves, as well as their surrounding microenvironment, contribute to sex-based differences. Accordingly, this paper underscores the contribution of both stem cell donor and recipient sex to sex-related differences in treatment efficacy. Cartilage regeneration is a field that needs more research to optimize strategies for better clinical results; taking sex into account could be a big factor in developing more effective and personalized treatments. The compilation of this information emphasizes the importance of investing further research in sex differences in cartilage biology.
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