Downregulation of the polyamine regulator spermidine/spermine N(1)-acetyltransferase by Epstein-Barr virus in a Burkitt's lymphoma cell line.
Downregulation of the polyamine regulator spermidine/spermine N(1)-acetyltransferase by Epstein-Barr virus in a Burkitt's lymphoma cell line.
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DOI:
10.1016/j.virusres.2013.07.004
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发表时间:
2013-10
期刊:
影响因子:
5
通讯作者:
Scott RS
中科院分区:
文献类型:
--
作者:
Shi M;Gan YJ;Davis TO;Scott RS
Transition of Akata Burkitt's lymphoma (BL) from a malignant to nonmalignant phenotype upon loss of Epstein-Barr virus (EBV) is evidence for a viral contribution to tumorigenesis despite the tight restriction of EBV gene expression in BL. Examination of global cellular gene expression in Akata subclones that retained or lost EBV identified spermidine/spermine N1-acetyltransferase (SAT1), an inducible enzyme whose catabolism of polyamines affects both apoptosis and cell growth, as one of a limited number of cellular genes downregulated upon EBV loss. Re-infection of the EBV-negative Akata clone reduced SAT1 mRNA to a level comparable with the parental EBV-positive Akata. EBV-positive Akata cells demonstrated decreased SAT1 enzyme activity concomitant with altered intracellular polyamine constituents. Reduction of SAT1 in EBV-positive BL was a transcriptional effect. Forced expression of the viral BCL2 homologue, BHRF1, in an EBV-negative Akata clone reduced SAT1 mRNA. Whereas dysregulated c-myc may enhance expression of ornithine decarboxylase elevating polyamine synthesis, EBV repression of polyamine catabolism becomes a complementary alteration favorable to BL lymphomagenesis.
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DOI:
10.1016/s0378-4347(00)83621-x
发表时间:
1986-07-11
期刊:
JOURNAL OF CHROMATOGRAPHY
影响因子:
--
作者:
KABRA, PM;LEE, HK;MARTON, LJ
通讯作者:
MARTON, LJ
影响因子:
5.4
作者:
Komano, J;Maruo, S;Takada, K
通讯作者:
Takada, K
影响因子:
2.9
作者:
FogelPetrovic, M;Vujcic, S;Porter, CW
通讯作者:
Porter, CW
影响因子:
6.7
作者:
Kelly GL;Long HM;Stylianou J;Thomas WA;Leese A;Bell AI;Bornkamm GW;Mautner J;Rickinson AB;Rowe M
通讯作者:
Rowe M
影响因子:
11.4
作者:
Kitagawa, N;Goto, M;Takada, K
通讯作者:
Takada, K