Cancer Terms

Loss of Heterozygosity

Cancer Terms -> Biological Process -> Subcellular Process -> Biochemical Process -> Molecular Sequence Alteration -> DNA Sequence Alteration -> Loss of Heterozygosity

Loss of Heterozygosity Definition

A genetic abnormality that is characterized by the partial loss of specific gene function via the deletion or mutation of one allele of a heterozygous gene locus. When this occurs at a tumor suppressor gene locus in a phenotype that already contains an abnormal allele, loss of heterozygosity can contribute to neoplastic transformation.

Loss of Heterozygosity Synonyms

Loss of Heterozygosity, LOH

Terms in Loss of Heterozygosity category



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