title: [Fluorescent antibody method in the study of an antiviral agent: 5-sulfamido--isatin-thiosemicarbazone].
abstract: Direct immunofluorescence supplied evidence of the antiviral action of a new synthetic derivative (5-sulfamido-ITSC) against vaccina virus in HeLa cell cultures. The antiviral potential of the new derivative is expressed by a 10-18 delay in the appearance of the viral antigen and by the quantitative reduction of synthesis. Administered in a single dose of 40 uM/ml, after infection of the HeLa cells, 5-sulfamido-ITSC does not arrest the infection and bring about elimination of the virus from the cell, in the course of a single viral multiplication cycle. Direct immunofluorescence is a rapid, specific method for detection of the in vitro antiviral action of synthetic derivatives.
mesh_terms: D000998:Antiviral Agents / Q000494:pharmacology*; D005455:Fluorescent Antibody Technique; D006367:HeLa Cells; D007211:Indoles / Q000494:pharmacology*; D007510:Isatin / Q000494:pharmacology*; D013449:Sulfonamides / Q000494:pharmacology; D013882:Thiosemicarbazones / Q000494:pharmacology*; D014616:Vaccinia virus / Q000187:drug effects*; D014779:Virus Replication / Q000187:drug effects
chemical_list: D000998:Antiviral Agents; D007211:Indoles; D013449:Sulfonamides; D013882:Thiosemicarbazones; D007510:Isatin
vernacular_title: Metoda anticorpilor fluorescenţi în studiul unei substanţe antivirale: 5-sulfamide-isatin-tiosemicarbazonă