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Transforming growth factor-β enhances human T-cell leukemia virus type I infection

✍ Scribed by Masako Moriuchi; Hiroyuki Moriuchi


Book ID
102381567
Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
68 KB
Volume
67
Category
Article
ISSN
0146-6615

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✦ Synopsis


Abstract

Human T‐cell leukemia virus type I (HTLV‐I), the causative agent of adult T‐cell leukemia/lymphoma, is transmitted vertically by breast milk and sexually by semen. The transforming growth factor‐β (TGF‐β), a pleiotropic cytokine that is abundant in breast milk and semen, facilitates replication of HTLV‐I in lymphocytes derived from asymptomatic HTLV‐I carriers and transmission to cord blood lymphocytes in vitro. Transient expression assays revealed that TGF‐β can transactivate HTLV‐I long terminal repeat promoter. These results suggest that TGF‐β may play a role in replication and transmission of HTLV‐I. J. Med. Virol. 67:427–430, 2002. © 2002 Wiley‐Liss, Inc.


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