Research Article

PAHs Target Hematopoietic Linages in Bone Marrow through Cyp1b1 Primarily in Mesenchymal Stromal Cells but Not AhR: A Reconstituted In Vitro Model

Table 1

Genes targeted by Cyp1b1 endogenous substrates and AhR. Separation by DMBA responses.

GeneWT (FC)Cyp1b1-ko (FC)Set
TCDDDMBAControlDMBA

Stimulated

Cyp1b13.52.5n/an/aA
Cyp1a19.715.0nd
Ahrr3.84.1nd

IL63.0ns2.54.5B
Tnfa2.0ns1.53.0
2.0ns1.54.0
2.9ns2.54.4

2.41.32.2nsC
Fau2.01.52.21.3
1.7ns1.6ns
Creb3l32.9ns7.61.9
2.61.32.7ns
1.5ns5.02.2
Polr2a5.0ns6.22.3

Klf43.61.32.11.7D
Nr4a13.6ns2.02.2
8.5ns2.63.0
1.81.42.82.4
Socs32.01.52.02.8

Rag1−1.8ns−3.0E
Erdr12.5ns−2.4−2.4
Col5a3−1.5ns−2.0
Faim3−1.51.3−2.9−1.5
Spp1−3.01.6−2.2−1.9

Fold-changes (FC) are all significant; .
ns: not significant.
n/a: not available.
nd: not detectable.
: relative to Cyp1b1-ko control genotype effect on PAH.
responses from family members (a1, Egr1; a2, Hbb-a1/a2; a3, Hspa-lb; a4, Cxcl9; a5, Hoxb9; a6, Sox15; a7, Gimap1).
response from family member, Alas1.
significant difference from BP.