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In JoVE (1)
Other Publications (1)
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Articles by Michael J. Galko in JoVE
Lokala och globala Metoder för att bedöma Thermal Nociception i
Abanti Chattopadhyay*1, A'Tondra V. Gilstrap*1,2, Michael J. Galko1,3,4
1Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, 2Scholars Academy/MARC Scholar, University of Houston-Downtown, 3Genes and Development Graduate Program, University of Texas Graduate School of Biomedical Sciences, 4Neuroscience Graduate Program, University of Texas Graduate School of Biomedical Sciences
I den här artikeln visar vi analyser för att studera termisk nociception i
Other articles by Michael J. Galko on PubMed
Live Imaging of Wound Inflammation in Drosophila Embryos Reveals Key Roles for Small GTPases During in Vivo Cell Migration
The Journal of Cell Biology. Feb, 2005 | Pubmed ID: 15699212
Aa robust inflammatory response to tissue damage and infection is conserved across almost all animal phyla. Neutrophils and macrophages, or their equivalents, are drawn to the wound site where they engulf cell and matrix debris and release signals that direct components of the repair process. This orchestrated cell migration is clinically important, and yet, to date, leukocyte chemotaxis has largely been studied in vitro. Here, we describe a genetically tractable in vivo wound model of inflammation in the Drosophila melanogaster embryo that is amenable to cinemicroscopy. For the first time, we are able to examine the roles of Rho-family small GTPases during inflammation in vivo and show that Rac-mediated lamellae are essential for hemocyte motility and Rho signaling is necessary for cells to retract from sites of matrix- and cell-cell contacts. Cdc42 is necessary for maintaining cellular polarity and yet, despite in vitro evidence, is dispensable for sensing and crawling toward wound cues.