Single Amino Acid Insertion in Loop 4 Confers Amphotropic Murine Leukemia Virus Receptor Function upon Murine Pit1
نویسندگان
چکیده
منابع مشابه
Tumor rejection mediated by an amphotropic murine leukemia virus.
We studied the effects of murine leukemia virus infection on the growth of tumors in inbred strain 2 guinea pigs. Fibrosarcomas, induced by treatment of guinea pig fetal cells with chemical carcinogens, were exposed in vitro to the amphotropic murine leukemia virus, 4070A. Tumor cells exposed to murine leukemia virus 4070A in vitro expressed virus antigens, released both reverse transcriptase a...
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Recombinants of amphotropic murine leukemia virus (A-MuLV) have found widespread use in retroviral vector systems due to their ability to efficiently and stably infect cells of several different species, including human. Previous work has shown that replication-competent recombinants containing the amphotropic env gene, encoding the major SU envelope glycoprotein that determines host tropism, i...
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Background: Despite of isolation of Xenotropic murine leukaemia virus-related virus (XMRV) from the patients acquired prostate cancer in 2006 and patients with chronic fatigue syndrome in 2009, there have been controversial findings about its potential role in human diseases and frequencies in different population groups. In the present study, we aimed to determine the frequency of XMRV genome ...
متن کاملAmphotropic murine leukemia virus entry is determined by specific combinations of residues from receptor loops 2 and 4.
Pit2 is the human receptor for amphotropic murine leukemia virus (A-MuLV); the related human protein Pit1 does not support A-MuLV entry. Interestingly, chimeric proteins in which either the N-terminal or the C-terminal part of Pit2 was replaced by the Pit1 sequence all retained A-MuLV receptor function. A possible interpretation of these observations is that Pit1 harbors sequences which can spe...
متن کاملتولید، تغلیظ و تعیین عیار ناقل ویروسی بر پایه murine leukemia virus
ابزارهای گوناگونی به منظور انتقال ژن به سلول های یوکاریوتی توسعه یافته اند، در میان آن ها، کارایی ویروس های rna دار متعلق به خانواده رتروویریده به دلیل الحاق پایدار ژنوم خود در کروموزوم های میزبان بالاتر است. ویروس لوکمی موش (mlv) شناخته شده ترین عضو جنس اورتورتروویرینا از گامارتروویروس ها است. ناقل ویروسی بر پایه mlv تنها قادر به بیان ژن های خارجی در سلول های در حال تقسیم میتوز می باشد، که بیا...
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ژورنال
عنوان ژورنال: Journal of Virology
سال: 1998
ISSN: 0022-538X,1098-5514
DOI: 10.1128/jvi.72.5.4524-4527.1998