Quantification of cytokines by ELISA

JF José L. Fachi
LP Laís. P. Pral
HA Helder C. Assis
SO Sarah Oliveira
VR Vinícius R. Rodovalho
JS Jefferson A. C. dos Santos
MF Mariane F. Fernandes
VM Valquíria A. Matheus
RS Renata Sesti-Costa
PB Paulo J. Basso
MS Marina Flóro e Silva
NC Niels O. S. Câmara
SG Selma Giorgio
MC Marco Colonna
MV Marco A. R. Vinolo
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Approximately 100 mg of colon tissue was harvested and homogenized in PBS containing protease inhibitors (Thermo Fisher Scientific). Samples were centrifuged for 10 min at 2000 × g, and supernatants were used for quantifying TNF-α, IL-6, IL-1β, IL-10, KC (Cxcl1), and MIP-2 (Cxcl2) using the Duo Set ELISA kit (R&D Systems; Minneapolis, MN, USA). Data were normalized to the total protein concentration determined using the Bradford protein assay.

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