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Biomedical subjects

L A Falk

Publications and source records attributed to L A Falk.

At least 73 records · Page 4Linked to original sources
PubMed1975

Experimental infection of marmosets with a cytomegalovirus of human origin.

Two adult and two neonatal cotton-topped marmosets and two neonatal white-lipped marmosets (Saguinus species) were inoculated with 10(7) plaque-forming units of cytomegalovirus (Colburn strain). No overt clinical disease developed in four marmosets during observation for eight months; one adult and one neonatal cotton-topped marmoset died from nonspecific causes 63 and 259 days after inoculation, respectively. By days 7-16 after inoculation, all marmosets developed plasma antibodies, which were detectable by neutralization and immunofluorescence assays (peak titers, 1:128-1:256 and 1:64-1:256, respectively). Attempts to isolate virus from whole blood, peripheral lymphocytes, oropharyngeal swabs, or vaginal swabs by cocultivation with permissive cell cultures were unsuccessful. Virus was recovered, however, by cocultivation from the kidney tissues of the adult marmoset that died. Immunosuppressive treatment with azathioprine resulted in a fourfold increase in antibody levels in plasma of two of three marmosets.

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