FIG. 2.

Retrovirus-like particles described in diseased human tissues and cultured cells. (a) LM7 particles from leptomeningeal cells from MS induced by ICP0 protein of herpes simplex virus type 1. (Reprinted from reference 393 with permission of the publisher.) (b) Particles in cultured lymphocytes from MS. (Reprinted from reference 194 with permission from Elsevier.) (c) Particles in SS salivary gland (see arrows). (Reprinted from reference 540 with permission of the publisher.) (d) HICRV in ICL. Bar, 0.5 μm. (Reprinted from reference 193 with permission.) (e) Virus-like particles in human milk. (Reprinted from reference 429 by permission from Macmillan Publishers Ltd.) (f) Particles in PBC. (Reprinted from reference 538 with permission of the publisher. Copyright 2003 National Academy of Sciences, U.S.A.) (g) Particles in myeloproliferative disease. Bar, 100 nm. (Reprinted from reference 66 with permission from Elsevier.) (h) HERV-K in teratocarcinoma-derived cell lines labeled with gold anti-HERV-K Gag. (Reprinted from reference 61 with permission from Elsevier.)