HTLV-1 pathogenesis mediated by HTLV-1 bZIP factor
نویسندگان
چکیده
منابع مشابه
HTLV-1 bZIP factor gene: Its roles in HTLV-1 pathogenesis.
The HTLV-1 bZIP factor (HBZ) gene is transcribed as an anti-sense transcript of HTLV-1 from the 3' long terminal repeat (LTR). Recent studies showed that the HBZ gene was expressed in all ATL cases, suggesting its critical role in leukemogenesis. In addition, only the HBZ gene sequence remains intact, unaffected by nonsense mutations and deletion. HBZ mRNA promotes proliferation of adult T-cell...
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Human T-cell leukemia virus type 1 (HTLV-1) causes both a neoplastic disease and inflammatory diseases, including HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The HTLV-1 basic leucine zipper factor (HBZ) gene is encoded in the minus strand of the proviral DNA and is constitutively expressed in infected cells and ATL cells. HBZ increases the number of regulatory T (Treg) ...
متن کاملHTLV-1 bZIP factor impairs cell-mediated immunity by suppressing production of Th1 cytokines.
Adult T-cell leukemia (ATL) patients and human T-cell leukemia virus-1 (HTLV-1) infected individuals succumb to opportunistic infections. Cell mediated immunity is impaired, yet the mechanism of this impairment has remained elusive. The HTLV-1 basic leucine zipper factor (HBZ) gene is encoded in the minus strand of the viral DNA and is constitutively expressed in infected cells and ATL cells. T...
متن کاملThe bZIP transcription factor ATFx binds human T-cell leukemia virus type 1 (HTLV-1) Tax and represses HTLV-1 long terminal repeat-mediated transcription.
The human T-cell leukemia virus type 1 (HTLV-1) viral protein Tax is a transactivator of transcription driven by the cognate viral long terminal repeat (LTR). Tax exerts its effect through three nonidentical copies of the Tax-responsive element (TxRE), a member of the asymmetric cyclic AMP response element (CRE) family of enhancer sequences. Transactivation is mediated via interaction of Tax wi...
متن کاملتظاهرات چشمی HTLV-1
چکیده عفونت با ویروس سلول T لنفوتروپیک انسانی( HTLV-1 ) در برخی از مناطق دنیا اندمیک م یباشد که یکی از مناطق شیوع آن در خراسان م یباشد. یکی از درگیری های این ویروس درگیری چشمی م یباشد. تظاهرات شناخته شده چشمی این ویروس شامل انفیلتراسیون بدخیمی در بیماران با لوکمی /لنفوم T سل بالغین، دژنراسیون شبکیه، درگیری نوروافتالمیک، واسکولیت و اگزودا در پریفر شبکیه، کراتو کونژکتویت سیکا - به خصوص در بیماران...
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ژورنال
عنوان ژورنال: Uirusu
سال: 2012
ISSN: 0042-6857
DOI: 10.2222/jsv.62.113