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The anterior cruciate ligament (ACL) is an essential component in knee joint stability. The development of the ACL during embryogenesis is a critical yet complex process. The embryonic formation of the ACL is a highly regulated process driven by mesenchymal cell differentiation and complex molecular signaling pathways, with the Wnt pathways (canonical and non-canonical) playing a central role. This is a glimpse into the process of ACL embryonic formation, shedding light on the developmental origins and molecular mechanisms that underlie its creation, elucidating the origins of ligamentocytes, the molecular signaling pathways involved, and the implications for understanding ACL-related pathologies. We describe the aspects of ACL degeneration, focusing on the effects of aging and microtrauma, underscoring the importance of understanding these mechanisms for injury prevention. By examining the underlying cellular mechanisms, there are insights into potential interventions for ACL preservation.

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Embryology and Histology of the Anterior Cruciate Ligament of the Knee in Relation to the Transition of Structure and Function Through Ages

  • 章节

  • 发表日期：

    2025年

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  • Nahum Rosenberg,
  • Andrey A. Gritsyuk

摘要

The anterior cruciate ligament (ACL) is an essential component in knee joint stability. The development of the ACL during embryogenesis is a critical yet complex process. The embryonic formation of the ACL is a highly regulated process driven by mesenchymal cell differentiation and complex molecular signaling pathways, with the Wnt pathways (canonical and non-canonical) playing a central role. This is a glimpse into the process of ACL embryonic formation, shedding light on the developmental origins and molecular mechanisms that underlie its creation, elucidating the origins of ligamentocytes, the molecular signaling pathways involved, and the implications for understanding ACL-related pathologies. We describe the aspects of ACL degeneration, focusing on the effects of aging and microtrauma, underscoring the importance of understanding these mechanisms for injury prevention. By examining the underlying cellular mechanisms, there are insights into potential interventions for ACL preservation.