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https://hdl.handle.net/10316/105814
Título: | Drp1-mediated mitochondrial fission regulates calcium and F-actin dynamics during wound healing | Autor: | Ponte, Susana Carvalho, Lara Gagliardi, Maria Campos, Isabel Oliveira, Paulo J. Jacinto, António |
Palavras-chave: | Calcium; Drp1; F-actin; Mitochondria; Mitochondrial dynamics; Wound healing | Data: | 3-Mai-2020 | Editora: | The Company of Biologists Ltd. | Projeto: | 4, 5 and 6 of article 23.° of D.L. no. 57/2016 of 29 August, as amended by Law no. 57/2017 of 19 July PD/BD/106058/2015 PTDC/BIA-BID/29709/2017; European Research Council [2007-StG-208631] CONGENTO LISBOA-01-0145-FEDER- 022170 |
Título da revista, periódico, livro ou evento: | Biology Open | Volume: | 9 | Número: | 5 | Resumo: | Mitochondria adapt to cellular needs by changes in morphology through fusion and fission events, referred to as mitochondrial dynamics. Mitochondrial function and morphology are intimately connected and the dysregulation of mitochondrial dynamics is linked to several human diseases. In this work, we investigated the role of mitochondrial dynamics in wound healing in the Drosophila embryonic epidermis. Mutants for mitochondrial fusion and fission proteins fail to close their wounds, indicating that the regulation of mitochondrial dynamics is required for wound healing. By live-imaging, we found that loss of function of the mitochondrial fission protein Dynamin-related protein 1 (Drp1) compromises the increase of cytosolic and mitochondrial calcium upon wounding and leads to reduced reactive oxygen species (ROS) production and F-actin defects at the wound edge, culminating in wound healing impairment. Our results highlight a new role for mitochondrial dynamics in the regulation of calcium, ROS and F-actin during epithelial repair. | URI: | https://hdl.handle.net/10316/105814 | ISSN: | 2046-6390 | DOI: | 10.1242/bio.048629 | Direitos: | openAccess |
Aparece nas coleções: | I&D CNC - Artigos em Revistas Internacionais |
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Drp1mediated-mitochondrial-fission-regulates-calcium-and-Factin-dynamics-during-wound-healingBiology-Open.pdf | 6.9 MB | Adobe PDF | Ver/Abrir |
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