Viruses 2010, 2(9), 2037-2077; doi:10.3390/v2092037

Human T Lymphotropic Virus Type 1 (HTLV-1): Molecular Biology and Oncogenesis

1,2email and 1,2,3,4,* email
Received: 7 July 2010; in revised form: 25 August 2010 / Accepted: 15 September 2010 / Published: 24 September 2010
(This article belongs to the Special Issue Cell Transformation by RNA Viruses)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Human T lymphotropic viruses (HTLVs) are complex deltaretroviruses that do not contain a proto-oncogene in their genome, yet are capable of transforming primary T lymphocytes both in vitro and in vivo. There are four known strains of HTLV including HTLV type 1 (HTLV-1), HTLV-2, HTLV-3 and HTLV-4. HTLV-1 is primarily associated with adult T cell leukemia (ATL) and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). HTLV-2 is rarely pathogenic and is sporadically associated with neurological disorders. There have been no diseases associated with HTLV-3 or HTLV-4 to date. Due to the difference in the disease manifestation between HTLV-1 and HTLV-2, a clear understanding of their individual pathobiologies and the role of various viral proteins in transformation should provide insights into better prognosis and prevention strategies. In this review, we aim to summarize the data accumulated so far in the transformation and pathogenesis of HTLV-1, focusing on the viral Tax and HBZ and citing appropriate comparisons to HTLV-2.
Keywords: HTLV-1; leukemogenesis; cellular transformation; Tax; HBZ
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MDPI and ACS Style

Kannian, P.; Green, P.L. Human T Lymphotropic Virus Type 1 (HTLV-1): Molecular Biology and Oncogenesis. Viruses 2010, 2, 2037-2077.

AMA Style

Kannian P, Green PL. Human T Lymphotropic Virus Type 1 (HTLV-1): Molecular Biology and Oncogenesis. Viruses. 2010; 2(9):2037-2077.

Chicago/Turabian Style

Kannian, Priya; Green, Patrick L. 2010. "Human T Lymphotropic Virus Type 1 (HTLV-1): Molecular Biology and Oncogenesis." Viruses 2, no. 9: 2037-2077.

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