The expression levels of the pro-inflammatory proteins iNOS and COX-2 were performed as described above [53 (link)]. Cell lysis was lysed with Tris-HCl buffer (20 mM, pH 7.4) containing the protease inhibitor mixture (5 mg/mL pepstatin A, 5 mg/mL aprotinin, 1 mg/mL chymostatin and 0.1 mM phenylmethanesulfonyl fluoride). The kit used for protein concentration determination was the Lowry Protein Assay Kit (Sigma-Aldrich, Saint Louis, MO, USA). Antibodies used were iNOS (Cayman Chemical, Ann Arbor, MI, USA) and Anti-COX2/Cyclooxygenase 2 (Abcam, Cambridge, UK).
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