Abstract:Muscle growth must be tightly regulated during development in order to obtain the final muscle shape. Myoblast fusion is a critical step of muscle growth, driving the formation of syncytial myofibers attaching at both ends to tendons. We investigated the role of the CXCR7 chemokine receptor in foetal muscle growth during chicken limb development. We show that CXCR7 displays a regionalized expression at the tips of myofibers close to tendons in foetal limb muscles, which is exclusive to the central location of … Show more
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