Publication Date:
1984-04-27
Description:
The productively rearranged immunoglobulin mu chain gene and the translocated cellular oncogene c-myc are transcribed at high levels both in human Burkitt lymphoma cells carrying the t(8;14) chromosome translocation and in mouse plasmacytoma X Burkitt lymphoma cell hybrids. In the experiments reported here these genes were found to be repressed in mouse 3T3 fibroblast X Burkitt lymphoma cell hybrids. Such repression probably occurs at the transcriptional level since no human mu- and c-myc messenger RNA's are detectable in hybrid clones carrying the corresponding genes. It is therefore concluded that the ability to express these genes requires a differential B cell environment. The results suggest that the 3T3 cell assay may not be suitable to detect oncogenes directly involved in human B cell oncogenesis, since 3T3 cells apparently are incapable of transcribing an oncogene that is highly active in malignant B cells with specific chromosomal translocations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nishikura, K -- ar-Rushdi, A -- Erikson, J -- DeJesus, E -- Dugan, D -- Croce, C M -- CA 09171/CA/NCI NIH HHS/ -- CA 10815/CA/NCI NIH HHS/ -- GM 31060/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):399-402.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6424234" target="_blank"〉PubMed〈/a〉
Keywords:
Animals
;
Burkitt Lymphoma/*genetics
;
Fibroblasts
;
*Gene Expression Regulation
;
Genes
;
Humans
;
Hybrid Cells/*metabolism
;
Immunoglobulin Heavy Chains/*genetics
;
Immunoglobulin mu-Chains/*genetics
;
Mice
;
*Oncogenes
;
RNA, Messenger/genetics
;
Transcription, Genetic
;
*Translocation, Genetic
Print ISSN:
0036-8075
Electronic ISSN:
1095-9203
Topics:
Biology
,
Chemistry and Pharmacology
,
Computer Science
,
Medicine
,
Natural Sciences in General
,
Physics
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