Immune deficiency augments the prevalence of p53 loss of heterozygosity in spontaneous tumors but not bi-directional loss of heterozygosity in bone marrow progenitors.

Abstract excerpt

p53 loss of heterozygosity (LOH) is a frequent event in tumors of somatic and Li-Fraumeni syndrome patients harboring p53 mutation. Here, we focused on resolving a possible crosstalk between the immune-system and p53 LOH. Previously, we reported that p53 heterozygous bone-marrow mesenchymal progenitor cells undergo p53 LOH in-vivo. Surprisingly, the loss of either the wild-type p53 allele or mutant p53 allele was...

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