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Table 1 In vitro assays and their modes of action

From: The European technical report on aquatic effect-based monitoring tools under the water framework directive

Name/ s of assay

Mode of action/ endpoint

AR CALUX (anti-)

Androgen receptor (activation or blocking)

DR CALUX

AH receptor binding

ER CALUX (anti-)

Alpha and beta/estrogen receptors

GR CALUX (anti-)

Glucocorticoid receptor

PAH CALUX

AH receptor binding

PR CALUX

Progesterone receptor

Acetylcholinesterase inhibition assay

Inhibition of acetylcholinesterase activity

Carboxylesterase inhibition assay

Inhibition of carboxylesterase activity

Ames

Mutagenicity

umuC

Primary DNA damage

TTR-binding

Competition with thyroid hormone for binding to TTR (transport protein)

TRb CALUX

Thyroid receptor beta

EROD

EROD induction

YES

ER receptor

YAS

AR receptor

P-53 accumulation

Genotoxicity

Green screen

Genotoxicity

RYA

ER receptor

ABC assay

Antibiotic activity