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Zhang W, Yu J, Fu G, Li J, Huang H, Liu J, Yu D, Qiu M, Li F. ISL1/SHH/CXCL12 signaling regulates myogenic cell migration during mouse tongue development. Development 2022; 149:277065. [DOI: 10.1242/dev.200788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 09/15/2022] [Indexed: 11/06/2022]
Abstract
ABSTRACT
Migration of myoblasts derived from the occipital somites is essential for tongue morphogenesis. However, the molecular mechanisms of myoblast migration remain elusive. In this study, we report that deletion of Isl1 in the mouse mandibular epithelium leads to aglossia due to myoblast migration defects. Isl1 regulates the expression pattern of chemokine ligand 12 (Cxcl12) in the first branchial arch through the Shh/Wnt5a cascade. Cxcl12+ mesenchymal cells in Isl1ShhCre embryos were unable to migrate to the distal region, but instead clustered in a relatively small proximal domain of the mandible. CXCL12 serves as a bidirectional cue for myoblasts expressing its receptor CXCR4 in a concentration-dependent manner, attracting Cxcr4+ myoblast invasion at low concentrations but repelling at high concentrations. The accumulation of Cxcl12+ mesenchymal cells resulted in high local concentrations of CXCL12, which prevented Cxcr4+ myoblast invasion. Furthermore, transgenic activation of Ihh alleviated defects in tongue development and rescued myoblast migration, confirming the functional involvement of Hedgehog signaling in tongue development. In summary, this study provides the first line of genetic evidence that the ISL1/SHH/CXCL12 axis regulates myoblast migration during tongue development.
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Affiliation(s)
- Wei Zhang
- Zhejiang Key Laboratory 1 , Hangzhou 311121 , People's Republic of China
- of Organ Development and Regeneration, Department of Biological Sciences, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences, Hangzhou Normal University 1 , Hangzhou 311121 , People's Republic of China
| | - Jiaojiao Yu
- Zhejiang Key Laboratory 1 , Hangzhou 311121 , People's Republic of China
- of Organ Development and Regeneration, Department of Biological Sciences, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences, Hangzhou Normal University 1 , Hangzhou 311121 , People's Republic of China
| | - Guoquan Fu
- Zhejiang Key Laboratory 1 , Hangzhou 311121 , People's Republic of China
- of Organ Development and Regeneration, Department of Biological Sciences, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences, Hangzhou Normal University 1 , Hangzhou 311121 , People's Republic of China
| | - Jianying Li
- Zhejiang Key Laboratory 1 , Hangzhou 311121 , People's Republic of China
- of Organ Development and Regeneration, Department of Biological Sciences, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences, Hangzhou Normal University 1 , Hangzhou 311121 , People's Republic of China
| | - Huarong Huang
- Zhejiang Key Laboratory 1 , Hangzhou 311121 , People's Republic of China
- of Organ Development and Regeneration, Department of Biological Sciences, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences, Hangzhou Normal University 1 , Hangzhou 311121 , People's Republic of China
| | - Jing Liu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, Department of Environmental Sciences, College of Environmental and Resource Sciences, Zhejiang University 2 , Hangzhou 310058 , People's Republic of China
| | - Dongliang Yu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University 3 , Hangzhou 310018 , People's Republic of China
| | - Mengsheng Qiu
- Zhejiang Key Laboratory 1 , Hangzhou 311121 , People's Republic of China
- of Organ Development and Regeneration, Department of Biological Sciences, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences, Hangzhou Normal University 1 , Hangzhou 311121 , People's Republic of China
| | - Feixue Li
- Zhejiang Key Laboratory 1 , Hangzhou 311121 , People's Republic of China
- of Organ Development and Regeneration, Department of Biological Sciences, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences, Hangzhou Normal University 1 , Hangzhou 311121 , People's Republic of China
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Igarashi M, Honda A, Kawasaki A, Nozumi M. Neuronal Signaling Involved in Neuronal Polarization and Growth: Lipid Rafts and Phosphorylation. Front Mol Neurosci 2020; 13:150. [PMID: 32922262 PMCID: PMC7456915 DOI: 10.3389/fnmol.2020.00150] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 07/16/2020] [Indexed: 12/17/2022] Open
Abstract
Neuronal polarization and growth are developmental processes that occur during neuronal cell differentiation. The molecular signaling mechanisms involved in these events in in vivo mammalian brain remain unclear. Also, cellular events of the neuronal polarization process within a given neuron are thought to be constituted of many independent intracellular signal transduction pathways (the "tug-of-war" model). However, in vivo results suggest that such pathways should be cooperative with one another among a given group of neurons in a region of the brain. Lipid rafts, specific membrane domains with low fluidity, are candidates for the hotspots of such intracellular signaling. Among the signals reported to be involved in polarization, a number are thought to be present or translocated to the lipid rafts in response to extracellular signals. As part of our analysis, we discuss how such novel molecular mechanisms are combined for effective regulation of neuronal polarization and growth, focusing on the significance of the lipid rafts, including results based on recently introduced methods.
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Affiliation(s)
- Michihiro Igarashi
- Department of Neurochemistry and Molecular Cell Biology, Niigata University School of Medicine and Graduate School of Medical/Dental Sciences, Niigata, Japan
| | - Atsuko Honda
- Department of Neurochemistry and Molecular Cell Biology, Niigata University School of Medicine and Graduate School of Medical/Dental Sciences, Niigata, Japan
| | - Asami Kawasaki
- Department of Neurochemistry and Molecular Cell Biology, Niigata University School of Medicine and Graduate School of Medical/Dental Sciences, Niigata, Japan
| | - Motohiro Nozumi
- Department of Neurochemistry and Molecular Cell Biology, Niigata University School of Medicine and Graduate School of Medical/Dental Sciences, Niigata, Japan
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Chang TY, Cheng PL. Relay of cyclin-dependent kinases in the regulation of axonal growth. Exp Neurol 2015; 271:259-61. [PMID: 26102184 DOI: 10.1016/j.expneurol.2015.06.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 06/12/2015] [Accepted: 06/16/2015] [Indexed: 01/18/2023]
Abstract
One of the most perplexing problems in neuronal morphogenesis is how local polarity signals echo genetic instructions to establish structural and functional asymmetry of neuronal compartments, i.e., axons, dendrites, and synapses. However studying these phenomena is complicated because both genes and the local environment influence the phenotype of developing neurons. Cell cycle-associated nuclear transcription regulators involved in axon extension, for example Cdk12 and Cdk13, thus provide ideal models for connecting spatially separated events at specific developmental time points.
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Affiliation(s)
- Ting-Ya Chang
- Institute of Molecular Biology, Academia Sinica, No. 128, Academia Road, Section 2, Nankang, Taipei, Taiwan
| | - Pei-Lin Cheng
- Institute of Molecular Biology, Academia Sinica, No. 128, Academia Road, Section 2, Nankang, Taipei, Taiwan.
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