| pubmed-article:8577715 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C0174680 | lld:lifeskim |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C0872070 | lld:lifeskim |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C0035696 | lld:lifeskim |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C0058988 | lld:lifeskim |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C0029282 | lld:lifeskim |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C0205217 | lld:lifeskim |
| pubmed-article:8577715 | lifeskim:mentions | umls-concept:C1519613 | lld:lifeskim |
| pubmed-article:8577715 | pubmed:issue | 3 | lld:pubmed |
| pubmed-article:8577715 | pubmed:dateCreated | 1996-3-14 | lld:pubmed |
| pubmed-article:8577715 | pubmed:abstractText | The structure of m7GpppN (where N is any nucleotide), termed cap, is present at the 5' end of all eukaryotic cellular mRNAs (except organellar). The eukaryotic initiation factor 4E (eIF-4E) binds to the cap and facilitates the formation of translation initiation complexes. eIF-4E is implicated in control of cell growth, as its overexpression causes malignant transformation of rodent cells and deregulates HeLa cell growth. It was suggested that overexpression of eIF-4E results in the enhanced translation of poorly translated mRNAs that encode growth-promoting proteins. Indeed, enhanced expression of several proteins, including cyclin D1 and ornithine decarboxylase (ODC), was documented in eIF-4E-overexpressing NTH 3T3 cells. However, the mechanism underlying this increase has not been elucidated. Here, we studied the mode by which eIF-4E increases the expression of cyclin D1 and ODC. We show that the increase in the amount of cyclin D1 and ODC is directly proportional to the degree of eIF-4E overexpression. Two mechanisms, which are not mutually exclusive, are responsible for the increase. In eIF-4E-overexpressing cells the rate of translation initiation of ODC mRNA was increased inasmuch as the mRNA sedimented with heavier polysomes. For cyclin D1 mRNA, translation initiation was not increased, but rather its amount in the cytoplasm increased, without a significant increase in total mRNA. Whereas, in the parental NIH 3T3 cell line, a large proportion of the cyclin D1 mRNA was confined to the nucleus, in eIF-4E-overexpressing cells the vast majority of the mRNA was present in the cytoplasm. These results indicate that eIF-4E affects directly or indirectly mRNA nucleocytoplasmic transport, in addition to its role in translation initiation. | lld:pubmed |
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| pubmed-article:8577715 | pubmed:language | eng | lld:pubmed |
| pubmed-article:8577715 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8577715 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:8577715 | pubmed:month | Feb | lld:pubmed |
| pubmed-article:8577715 | pubmed:issn | 0027-8424 | lld:pubmed |
| pubmed-article:8577715 | pubmed:author | pubmed-author:RousseauDD | lld:pubmed |
| pubmed-article:8577715 | pubmed:author | pubmed-author:SonenbergNN | lld:pubmed |
| pubmed-article:8577715 | pubmed:author | pubmed-author:GehrkeLL | lld:pubmed |
| pubmed-article:8577715 | pubmed:author | pubmed-author:KasparRR | lld:pubmed |
| pubmed-article:8577715 | pubmed:author | pubmed-author:RosenwaldII | lld:pubmed |
| pubmed-article:8577715 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:8577715 | pubmed:day | 6 | lld:pubmed |
| pubmed-article:8577715 | pubmed:volume | 93 | lld:pubmed |
| pubmed-article:8577715 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:8577715 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:8577715 | pubmed:pagination | 1065-70 | lld:pubmed |
| pubmed-article:8577715 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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