Rapid Flow Cytometry–Based Structural Maintenance of Chromosomes 1 (SMC1) Phosphorylation Assay for Identification of Ataxia-Telangiectasia Homozygotes and Heterozygotes

Abstract excerpt

BACKGROUND: No rapid reliable method exists for identifying ataxia-telangiectasia (A-T) homozygotes or heterozygotes. Heterozygotes are at an increased risk of cancer and are more sensitive to the effects of ionizing radiation (IR) than the general population. We report a rapid flow cytometry (FC)-based ataxia-telangiectasia mutated (ATM) kinase assay that measures ATM- dependent phosphorylation of structural...

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