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Molecular assay reagents intended to identify mutations in the Nijmegen breakage syndrome 1 (nibrin) (NBN) gene, located at chromosome 8q21, which encodes for the protein nibrin that is involved in several critical cellular functions, including the repair of damaged DNA. Mutations at this locus have been identified in patients with Nijmegen breakage syndrome type 1, aplastic anemia, and acute lymphoblastic leukemia (ALL).
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