M F Lipscomb, L D Cope, G L Stephens, J S Deng, J N Gilliam
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引用次数: 0
Abstract
There has been some controversy regarding the relative merits of cell lines versus frozen tissue substrates for the detection of antinuclear antibodies (ANA) by indirect immunofluorescence. We have compared two cell lines (KB and HEP2) with frozen mouse kidney for the detection of ANA in several groups of individuals. Cell lines were more likely to detect ANA than frozen mouse kidney in normal individuals and in hospital and clinic patients with diseases other than connective tissue diseases when sera were examined at manufacturer's recommended screening dilutions. There was also a trend for the cell lines to demonstrate ANA more frequently than mouse kidney in patients with systemic lupus erythematosus and other connective tissue diseases, but the differences were not statistically significant. Centromere antibodies could be reliably suspected only on cell lines and could be confirmed only if mitotic figures were present.
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