Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasis

Signal transduction by the Toll-like receptors (TLRs) is conserved and essential for innate immunity in metazoans. The founding member of the TLR family, Drosophila Toll-1, was initially identified for its role in dorsoventral axis formation in early embryogenesis. The Drosophila genome encodes nine...

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Main Author: Daiki Umetsu
Format: Article
Language:English
Published: Taylor & Francis Group 2022-12-01
Series:Fly
Subjects:
Online Access:http://dx.doi.org/10.1080/19336934.2022.2074783
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author Daiki Umetsu
author_facet Daiki Umetsu
author_sort Daiki Umetsu
collection DOAJ
description Signal transduction by the Toll-like receptors (TLRs) is conserved and essential for innate immunity in metazoans. The founding member of the TLR family, Drosophila Toll-1, was initially identified for its role in dorsoventral axis formation in early embryogenesis. The Drosophila genome encodes nine TLRs that display dynamic expression patterns during development, suggesting their involvement in tissue morphogenesis and homeostasis. Recent progress on the developmental functions of TLRs beyond dorsoventral patterning has revealed not only their diverse functions in various biological processes, but also unprecedented molecular mechanisms in directly regulating cell mechanics and cell-cell recognition independent of the canonical signal transduction pathway involving transcriptional regulation of target genes. In this review, I feature and discuss the non-immune functions of TLRs in the control of epithelial tissue homeostasis, tissue morphogenesis, and cell-cell recognition between cell populations with different cell identities.
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spelling doaj.art-196e42fc38624029997ed4e3f5b369de2023-09-21T15:17:01ZengTaylor & Francis GroupFly1933-69341933-69422022-12-0116123324710.1080/19336934.2022.20747832074783Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasisDaiki Umetsu0Tohoku UniversitySignal transduction by the Toll-like receptors (TLRs) is conserved and essential for innate immunity in metazoans. The founding member of the TLR family, Drosophila Toll-1, was initially identified for its role in dorsoventral axis formation in early embryogenesis. The Drosophila genome encodes nine TLRs that display dynamic expression patterns during development, suggesting their involvement in tissue morphogenesis and homeostasis. Recent progress on the developmental functions of TLRs beyond dorsoventral patterning has revealed not only their diverse functions in various biological processes, but also unprecedented molecular mechanisms in directly regulating cell mechanics and cell-cell recognition independent of the canonical signal transduction pathway involving transcriptional regulation of target genes. In this review, I feature and discuss the non-immune functions of TLRs in the control of epithelial tissue homeostasis, tissue morphogenesis, and cell-cell recognition between cell populations with different cell identities.http://dx.doi.org/10.1080/19336934.2022.2074783toll-like receptorsplanar polaritymyosin iicell-cell adhesioncell recognitiontissue morphogenesiscell competitioncell mechanics
spellingShingle Daiki Umetsu
Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasis
Fly
toll-like receptors
planar polarity
myosin ii
cell-cell adhesion
cell recognition
tissue morphogenesis
cell competition
cell mechanics
title Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasis
title_full Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasis
title_fullStr Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasis
title_full_unstemmed Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasis
title_short Cell mechanics and cell-cell recognition controls by Toll-like receptors in tissue morphogenesis and homeostasis
title_sort cell mechanics and cell cell recognition controls by toll like receptors in tissue morphogenesis and homeostasis
topic toll-like receptors
planar polarity
myosin ii
cell-cell adhesion
cell recognition
tissue morphogenesis
cell competition
cell mechanics
url http://dx.doi.org/10.1080/19336934.2022.2074783
work_keys_str_mv AT daikiumetsu cellmechanicsandcellcellrecognitioncontrolsbytolllikereceptorsintissuemorphogenesisandhomeostasis