Transcriptional profiling reveals barcode-like toxicogenomic responses in the zebrafish embryo

Table 6 The number of regulated genes in response to different concentrations of toxicants

Toxicants	Stage	Concentration	Number of regulated genes
4CA	120 hpf	50 mg/l	201
		25 mg/l	2
		5 mg/l	0
Cd	120 hpf	5 mg/l	475
		2.5 mg/l	102
		0.5 mg/l	57
DDT	120 hpf	15 mg/l	25
		1.5 mg/l	0
		0.15 mg/l	0
TCDD	120 hpf	500 ng/l	34
		250 ng/l	34
		50 ng/l	4
VA	120 hpf	50 mg/l	335
		25 mg/l	1
		5 mg/l	4
MeHg	120 hpf	60 μg/l	417
		30 μg/l	20
		6 μg/l	9

The fold change was equal to or greater than 1.5 and p_adj < 0.025. Note that for reasons of increased sensitivity we used a lower fold-change cutoff in this experiment compared with that in Figure 2b, which explains the higher number of regulated genes in this set of experiments.

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