Expression data from polarized macrophages: effect of p53

p53 is critically important in preventing oncogenesis but its role in non-cancer biology remains unclear. Macrophages exist as two subtypes (M1 and M2). Nutlin-3a (p53 activator) inhibits M2 gene expression and phenotype. p53 acts by suppressing transcription of c-Myc and thence regulates expression of a subset of M2 markers. This work has implications for our understanding of the mechanisms that regulate plasticity of macrophages in health and disease.

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Li L, Ng DS, Mah WC, Almeida FF, Rahmat SA, Rao VK, Leow SC, Laudisi F, Peh MT, Goh AM, Lim JS, Wright GD, Mortellaro A, Taneja R, Ginhoux F, Lee CG, Moore PK, Lane DP