Detection of type D retrovirus in a human amnion cell line (FL)
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Updated: Oct 2, 2026

High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
Published on: November 23, 2013
Abstract:
This paper describes the detection of viral particles in a human amnion cell line (FL). These particles belong to the group of type D retroviruses, because of their characteristic morphology, their major antigenic determinants, and the presence of particle-associated Mg++-preferring RNA-dependent DNA polymerase. In addition to budding and mature type D virus particles, intracytoplasmic type A structures have also been found. Immunological analysis provided evidence of cross-reactivity between the particles described and the Mason-Pfizer monkey virus as well as type D retroviruses from other human cell lines (PMF, HEp-2). Particles isolated from FL cell medium were shown to infect type D virus-susceptible human TU 197 cells.

