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Comparison of shell vials and conventional tubes seeded with rhabdomyosarcoma and MRC-5 cells for the rapid detection of herpes simplex virus.

Mayo Clinic and Foundation, Rochester, Minnesota 55905.

ABSTRACT

Shell vials (SV) and conventional tubes (CT) were seeded with rhabdomyosarcoma (RD) and MRC-5 cells and inoculated with clinical specimens, and the systems were evaluated for the rapid diagnosis of herpes simplex virus (HSV) infections by detection of cytopathic effects (CPE) (for CT, for 7 days) and by using fluoresceinated monoclonal antibodies (for SV, 16 h postinoculation). Of 245 genital specimens (16 from males and 229 from females) 56 (23%) seeded with MRC-5 cells (14 type 1 and 42 type 2) and 55 (22%) seeded with RD cells were detected in CT; however, CPE were recognized in only 26 (46%) of the total HSV-positive cultures 1 day postinoculation. Forty-eight (86% sensitivity, MRC-5) and 46 (84% sensitivity, RD) HSV strains were detected immunologically in SV 16 h postinoculation. Early CPE in CT or fluorescent foci in SV were easier to detect in MRC-5 than in RD cell cultures. MRC-5 and RD cells were equally sensitive to infection with HSV. CT cell cultures were more sensitive than SV but less rapid for the detection of HSV infection (P less than 0.01). We recommend using SV for the rapid diagnosis of HSV infections, but in addition, CT must be inoculated with MRC-5 or RD to ensure maximum detection of this virus.

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