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Using high density SNP array to detect LOH allows identification of pattern of allelic imbalance with potential prognostic and diagnostic utilities. This usage of SNP array has a huge potential in cancer diagnostics as LOH is a prominent characteristic of most human cancers. Recent studies based on the SNP array technology have shown that not only solid [[tumor]]s (e.g. [[gastric cancer]], [[Hepatocellular carcinoma|liver cancer]] etc) but also [[leukemia|hematologic malignancies]] ([[Leukemia#Acute Lymphocytic Leukemia (ALL)|ALL]], [[Myelodysplastic syndrome|MDS]], [[Leukemia#Chronic Myelogenous Leukemia (CML)|CML]] etc) have a high rate of LOH due to genomic [[deletion (genetics)|deletions]] or UPD and genomic gains. The results of these studies may help to gain insights into mechanisms of these diseases and to create targeted drugs.
== See also ==
* [[Single-nucleotide polymorphism]]
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