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Visualizing Chemokine-Dependent T Cell Activation and Migration in Response to Central Nervous System Infection

 Last Update: 2020-11-23
 Source: Internet
 Author: User

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polymerase chain reaction purpose

central nervous system damage

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In response to central nervous system (CNS) injury and infection, astrocytes, neurons, and CNS vasculature express several chemokines, including CCL21. Quantitative polymerase chain reaction (q
PCR
), western blot, and immunohistochemical methods can quantify mRNA and protein expression. However, these methods do not quantify chemokine bioavailability and bioactivity, variables modified by many environmental factors including composition of the extracellular matrix (ECM). Here we illustrate how two-photon microscopy and carboxyfluorescein succinimidyl ester (CFSE or CFDA SE) labeling of T cells coupled with flow cytometry can be used as tools to assess chemokine-mediated regulation of T cell proliferation, activation, and migration.

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