Abstract: Placodes, specialized thickened areas of the ectoderm, give rise to both sensory and non-sensory structures. Placode induction and differentiation is a multi-step process involving interactions between several organs and signaling pathways. These placodes develop from the pre-placodal region, which encircles the cranial part of the neural plate. They are induced by FGF signaling and inhibited by Wnt and Bmp pathways. Vital sensory organs like the olfactory epithelium, inner ear, and eye lens are formed because of FGF signaling, which is critical for supporting the specification of diverse placodal progenitors. Different placodal types are differentiated simultaneously by regulating the Wnt and BMP pathways, creating epithelial structures like hair, teeth, and breasts. In addition to being essential to developmental biology, understanding the precise molecular mechanisms driving placode induction and differentiation has important implications for research in regenerative medicine and evolution. Further investigation could reveal new information about the complex mechanisms that control tissue specialization and functional variety in vertebrate species.
Keywords: Placodes, pre-placodal region, neural tube, progenitors, regenerative medicine.
Title: The Molecular Mechanisms Driving Placode Development; A Multifaceted Process Driven by Complex Signaling Pathways: A Review
Author: Mamdouh Eldesoqui
International Journal of Life Sciences Research
ISSN 2348-313X (Print), ISSN 2348-3148 (online)
Vol. 12, Issue 3, July 2024 - September 2024
Page No: 6-13
Research Publish Journals
Website: www.researchpublish.com
Published Date: 08-July-2024