Acronyms that contain the term HTLV 

htlv

The primate T-lymphotropic viruses (PTLVs) are a group of retroviruses that infects primates, using their lymphocytes to reproduce. The ones that infect humans are known as human T-lymphotropic virus (HTLV), and the ones that infect Old World monkeys are called simian T-lymphotropic viruses (STLVs). PTLVs are named for their ability to cause adult T-cell leukemia/lymphoma, but in the case of HTLV-1 it can also cause a demyelinating disease called tropical spastic paraparesis. On the other hand, newer PTLVs are simply placed into the group by similarity and their connection to human disease remains unclear.HTLVs have evolved from STLVs by interspecies transmission. Within each species of PTLV, the HTLV is more similar to its cognate STLV than to the ohter HTLVs. There are currently three species of PTLVs recognized by the ICTV (P/H/STLV-1, -2, -3), plus two that are reported but unrecognized (HTLV-4, STLV-5). The first known, and still most medically important PTLV is HTLV-1, discovered in 1980.HTLVs belong to the genus Deltaretrovirus. The only other recognized species in the genus is Bovine leukemia virus, an economically-important cattle pathogen. As its name suggests, this virus causes leukemia in cows.

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