vinclozolin: Vinclozolin from AR in vitro assay

Description Usage Format Details Source Examples

Description

Dose-response experiment with vinclozolin in an AR reporter gene assay

Usage

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Format

A data frame with 53 observations on the following 3 variables.

exper

a factor with levels 10509 10821 10828 10904 11023 11106

conc

a numeric vector of concentrations of vinclozolin

effect

a numeric vector of luminescense effects

Details

The basic dose-response experiment was repeated 6 times on different days. Chinese Hamster Ovary cells were exposed to various concentrations of vinclozolin for 22 hours and the resulting luminescense effects were recorded.

Data are part of mixture experiment reported in Nellemann et al (2003).

Source

Nellemann C., Dalgaard M., Lam H.R. and Vinggaard A.M. (2003) The combined effects of vinclozolin and procymidone do not deviate from expected additivity in vitro and in vivo, Toxicological Sciences, 71, 251–262.

Examples

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vinclozolin.m1 <- drm(effect~conc, exper, data=vinclozolin, fct = LL.3())
plot(vinclozolin.m1, xlim=c(0,50), ylim=c(0,2800), conLevel=1e-4)

vinclozolin.m2 <- drm(effect~conc, data=vinclozolin, fct = LL.3())
plot(vinclozolin.m2, xlim=c(0,50), conLevel=1e-4, add=TRUE, type="none", col="red")

## Are the ED50 values indetical across experiments?
vinclozolin.m3 <- update(vinclozolin.m1, pmodels=data.frame(exper, exper, 1))
anova(vinclozolin.m3, vinclozolin.m1)  # No!

drc documentation built on May 1, 2019, 8:43 p.m.

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