Fin ray branching is defined by TRAP + osteolytic tubules in zebrafish
Résumé
Significance Skeletal function is inherently linked to the correct shaping of the bones. However, how different cells regulate bone shaping remains unclear. The zebrafish fins are particularly suitable to study bone shaping, as bone rays undergo a simple bifurcation process, easily tracked in vivo. Here, we show that the bifurcation of a bone element relies on stitching and antistitching events, rather than on the splitting of a single unit. This report describes tartrate-resistant acid phosphatase-positive (TRAP +) osteolytic tubules and their role in bone bifurcation. Our study provides valuable insights into how cells coordinate to shape bones, thereby contributing to our understanding of bone degenerative and dysmorphic diseases and the identification of new therapeutic strategies.
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Origine : Publication financée par une institution
Licence : CC BY NC ND - Paternité - Pas d'utilisation commerciale - Pas de modification
Licence : CC BY NC ND - Paternité - Pas d'utilisation commerciale - Pas de modification