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Summary
Title Electron Micrographs of HTLV Family
Description Electron micrographs of the family of retroviruses that reproduce in t-lymphocytes. Retroviruses, which cause a variety of naturally occurring cancers in many animal species, also cause cancers in human beings. The first two human retroviruses to be discovered and characterized, human t-cell leukemia virus type I (HTLV-I) and type II (HTLV-II), have been associated with the human cancers known, respectively, as adult t-cell leukemia and hairy cell leukemia. HTLV-III is the AIDS virus, now called HIV-I. Epidemiologic studies have shown that HTLV-I infection and t-cell malignancy both cluster in certain geographic areas and in certain populations, and suggest that transmission occurs in the household, through sexual contacts, and perhaps at birth.
Topics/Categories Cells or Tissue, Abnormal Cells or Tissue
Type B&W, Photo
Source Laboratory Of Tumor Cell Biology. National Cancer Institute