Article

Pax9 governs anterior identity and deployment of sclerotome to the median fins

2026-06-26

Abstract excerpt

<h4>ABSTRACT</h4> The caudal fin is an anomaly among vertebrate locomotory appendages: its internal skeleton is as asymmetric as the human hand, but it lacks the Shh-secreting Zone of Polarizing Activity (ZPA) and the Gli3/HoxD/Hand2 programs that govern anterior-posterior patterning in other appendages. As the caudal fin was also the first appendage to evolve, deciphering its alternative patterning program may p...

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Literature Corpus work: 1b444dfc-bb34-51f6-8143-017645a65d16
DOI: 10.64898/2026.06.25.733239

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