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Fibroblast growth factor receptors and regeneration of the eye lens
Author(s) -
McDevitt David S.,
Brahma Samir K.,
Courtois Yves,
Jeanny JeanClaude
Publication year - 1997
Publication title -
developmental dynamics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.634
H-Index - 141
eISSN - 1097-0177
pISSN - 1058-8388
DOI - 10.1002/(sici)1097-0177(199702)208:2<220::aid-aja9>3.0.co;2-k
Subject(s) - biology , fibroblast growth factor , notophthalmus viridescens , lens (geology) , regeneration (biology) , microbiology and biotechnology , receptor , fibroblast growth factor receptor , iris (biosensor) , anatomy , genetics , paleontology , computer security , computer science , biometrics
If the eye lens of the adult newt, Notophthalmus viridescens , is removed, a new lens will regenerate and only from the dorsal, not the ventral, iris. The source, pigmented epithelial cells, would normally no longer divide, but upon lentectomy they do re‐enter the cell cycle and form lens. The cause for this capability is unknown, but the mitogenic Fibroblast Growth Factors and their receptors may be involved. We have demonstrated that FGF receptors are present and operative in lens regeneration, since receptor‐directed mitotoxins inhibit regeneration; heterogeneity and differential density in FGF‐binding and receptor localization in iris sectors is also present. We propose that the spatial distribution of FGF receptors, especially the amphibian homolog of FGFR‐3, is important in initiation of regeneration of eye lens. Dev. Dyn. 208:220–226, 1997. © 1997 Wiley‐Liss, Inc.