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Fig. 3 | Molecular Neurodegeneration

Fig. 3

From: Calcium-dependent cytosolic phospholipase A2 activation is implicated in neuroinflammation and oxidative stress associated with ApoE4

Fig. 3

Increased p-cPLA2 in APOE4 is mediated by p38 MAPK. a, Phosphorylated and total p38 and ERK levels in primary astrocyte from ApoE3-TR and ApoE4-TR mice were detected by WB. b, Phosphorylated and total p38 and ERK levels in cortical homogenates from APOE3-TR and APOE4-TR mice were detected by WB. c, ApoE4 primary astrocytes from mouse were pre-treated with p38 inhibitors SB 202190 (10 μM) or SB 203580 (10 μM) for 20 min and then treated with medium or TNFα plus IFNγ together for 30 min. The total and phosphorylated cPLA2 and p38 were detected in the cell lysate by WB. d, cPLA2 bound with p38. Immunoprecipitation was performed in the cell lysate of immortalized ApoE4 astrocytes using anti-cPLA2 antibody or species-matched IgG. cPLA2 and p38 were co-detected after immunoprecipitation by WB. WB: Western Blot

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