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A practical guide for assessing respiratory burst and phagocytic cell activity in the fathead minnow, an emerging model for immunotoxicity
Thornton Hampton, Leah M. Jeffries, Marlo K. Sellin Venables, Barney J.
Thornton Hampton, Leah M.
Jeffries, Marlo K. Sellin
Venables, Barney J.
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Elsevier
Date
2020-07-01
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Abstract
Measures of respiratory burst and phagocytic cell activity are frequently utilized to assess cellular immune function in teleosts. Respiratory burst predominately occurs in neutrophils and causes the release of reactive oxygen species to kill pathogens. Phagocytosis is the process by which pathogens are engulfed and destroyed by various immune cells. Though a variety of approaches have been utilized to measure respiratory burst and phagocytic cell activity, assays that rely only on common laboratory equipment (e.g., plate reader) may offer advantages over those that rely on more specialized equipment (e.g., flow cytometer). The goal of the current study was to optimize and validate the use of a colorimetric plate-based respiratory burst and fluorometric plate- based phagocytic cell activity assays for use with kidney cells from the fathead minnow ( Pimephales promelas), an emerging immunotoxicity model. In addition, a protocol for the dissection of kidney tissue followed by the extraction of kidney cells, as well as recommendations and resources for future experiments utilizing each of these assays, are provided.
Contents
Subject
Kidney cell extraction
Phagocytosis
Respiratory burst
Cellular immune function
Fish
Phagocytosis
Respiratory burst
Cellular immune function
Fish
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Biology