دورية أكاديمية
c-Myc enhances protein synthesis and cell size during B lymphocyte development.
العنوان: | c-Myc enhances protein synthesis and cell size during B lymphocyte development. |
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المؤلفون: | Iritani BM; Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109-1024, USA., Eisenman RN |
المصدر: | Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 1999 Nov 09; Vol. 96 (23), pp. 13180-5. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. |
اللغة: | English |
بيانات الدورية: | Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print Cited Medium: Print ISSN: 0027-8424 (Print) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Washington, DC : National Academy of Sciences |
مواضيع طبية MeSH: | B-Lymphocytes/*cytology , Cell Size/*physiology , Proto-Oncogene Proteins c-myc/*physiology, Animals ; Cell Cycle ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Proto-Oncogene Proteins c-myc/biosynthesis ; Transgenes |
مستخلص: | Members of the myc family of nuclear protooncogenes play roles in cell proliferation, differentiation, and apoptosis. Moreover, inappropriate expression of c-myc genes contributes to the development of many types of cancers, including B cell lymphomas in humans. Although Myc proteins have been shown to function as transcription factors, their immediate effects on the cell have not been well defined. Here we have utilized a murine model of lymphomagenesis (Emu-myc mice) to show that constitutive expression of a c-myc transgene under control of the Ig heavy-chain enhancer (Emu) results in an increase in cell size of normal pretransformed B lymphocytes at all stages of B cell development. Furthermore, we show that c-Myc-induced growth occurs independently of cell cycle phase and correlates with an increase in protein synthesis. These results suggest that Myc may normally function by coordinating expression of growth-related genes in response to mitogenic signals. Deregulated c-myc expression may predispose to cancer by enhancing cell growth to levels required for unrestrained cell division. |
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معلومات مُعتمدة: | K08 AI001445-06 United States AI NIAID NIH HHS; R01CA20525 United States CA NCI NIH HHS; 1 K08 AJ01445-01 United States PHS HHS; K08 AI001445-04 United States AI NIAID NIH HHS; R01 CA020525 United States CA NCI NIH HHS; HL54881 United States HL NHLBI NIH HHS; K08 AI001445-05 United States AI NIAID NIH HHS; P50 HL054881 United States HL NHLBI NIH HHS |
المشرفين على المادة: | 0 (Proto-Oncogene Proteins c-myc) |
تواريخ الأحداث: | Date Created: 19991111 Date Completed: 19991213 Latest Revision: 20230331 |
رمز التحديث: | 20230331 |
مُعرف محوري في PubMed: | PMC23921 |
DOI: | 10.1073/pnas.96.23.13180 |
PMID: | 10557294 |
قاعدة البيانات: | MEDLINE |
تدمد: | 0027-8424 |
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DOI: | 10.1073/pnas.96.23.13180 |