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Am J Hum Genet. 1989 Nov;45(5):689-96.

Allele-specific deletion in exon I of the HRAS1 gene.

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1
Department of Medicine (Hematology/Oncology), New England Medical Center Hospitals, Boston, MA 02111.

Abstract

We have detected a 6-bp deletion in the untranslated first exon of a unique HRAS1 gene cloned from lymphocyte DNA of a familial melanoma patient. The deletion is without apparent functional consequence. Using an RNase protection assay, we have demonstrated the deletion in leukocyte DNAs of individuals unrelated to the patient. In these cases, the deletion marker is specifically associated with one class of common HRAS1 allele, thereby establishing the origin of the unique allele. We discuss the means by which DNA sequence heterogeneity at other loci may be rapidly analyzed.

PMID:
2573274
PMCID:
PMC1683440
[Indexed for MEDLINE]
Free PMC Article
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