Expression of the c-myb oncogene in human small cell lung carcinoma

C. A. Griffin, Stephen B Baylin

Research output: Contribution to journalArticle

Abstract

We have found that the oncogene c-myb is differentially expressed in human lung cancer cell lines and that myb-homologous RNA can be detected only in small cell lung cancer (SCLC) cell lines. Polyadenylic acid-RNA from 13 established cell lines was examined by Northern blotting for its ability to hybridize to a radiolabeled v-myb probe. A 3.5-kilobase RNA transcript homologous to v-myb is present in four of four lines of classic SCLC and in three of four SCLC variant lines but not in five of five non-small cell lung cancer lines tested. This transcript is the same size as that found in the immature myeloid cell lines KG1, but the amount of RNA is only about 10% of that in the KG1 line. A second transcript hybridizing to v-myb, 2.4 kilobases in size, is also present in the variant SCLC lines and the COLO 320 line, all of which have amplification of the c-myc gene and markedly increased c-myc messenger RNA. The presence of myb transcripts in SCLC suggests that the myb gene may have a specific role in the initiation or maintenance of an important human epithelial tumor.

Original languageEnglish (US)
Pages (from-to)272-275
Number of pages4
JournalCancer Research
Volume45
Issue number1
StatePublished - 1985

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myb Genes
Small Cell Lung Carcinoma
RNA
Cell Line
myc Genes
Poly A
Myeloid Cells
Non-Small Cell Lung Carcinoma
Northern Blotting
Lung Neoplasms
Messenger RNA
Neoplasms

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Expression of the c-myb oncogene in human small cell lung carcinoma. / Griffin, C. A.; Baylin, Stephen B.

In: Cancer Research, Vol. 45, No. 1, 1985, p. 272-275.

Research output: Contribution to journalArticle

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