J 2021

Deregulation of signaling pathways controlling cell survival and proliferation in cancer cells alters induction of cytochrome P450 family 1 enzymes

KRKOŠKA, Martin; Jana SVOBODOVÁ; Markéta KABÁTKOVÁ; Ondřej ZAPLETAL; Alena HYRŠLOVÁ VACULOVÁ et al.

Základní údaje

Originální název

Deregulation of signaling pathways controlling cell survival and proliferation in cancer cells alters induction of cytochrome P450 family 1 enzymes

Autoři

KRKOŠKA, Martin; Jana SVOBODOVÁ; Markéta KABÁTKOVÁ; Ondřej ZAPLETAL; Alena HYRŠLOVÁ VACULOVÁ; Jana NEKVINDOVÁ a Jan VONDRÁČEK

Vydání

Toxicology, Elsevier Ireland Ltd, 2021, 0300-483X

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

30108 Toxicology

Stát vydavatele

Irsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

Impakt faktor

Impact factor: 4.571

Označené pro přenos do RIV

Ano

Kód RIV

RIV/00216224:14310/21:00122306

Organizační jednotka

Přírodovědecká fakulta

EID Scopus

Klíčová slova anglicky

Cell proliferation; AhR; p300; CYP1 enzymes; β-Catenin signaling; Cancer cells

Štítky

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 11. 10. 2021 15:48, Mgr. Marie Novosadová Šípková, DiS.

Anotace

V originále

Cytochrome P450 family 1 (CYP1) enzymes contribute both to metabolism of xenobiotics and to the control of endogenous levels of ligands of the aryl hydrocarbon receptor (AhR). Their activities, similar to other CYPs, can be altered in tumor tissues. Here, we examined a possible role of proliferative/survival pathways signaling, which is often deregulated in tumor cells, and possible links with p300 histone acetyltransferase (a transcriptional co-activator) in the control of CYP1 expression, focusing particularly on CYP1A1. Using cell models derived from human liver, we observed that the induction of CYP1A1 expression, as well as other CYP1 enzymes, was reduced in exponentially growing cells, as compared with their non-dividing counterparts. The siRNAmediated inhibition of proliferation/pro-survival signaling pathway effectors (such as β-catenin and/or Hippo pathway effectors YAP/TAZ) increased the AhR ligand-induced CYP1A1 mRNA levels in liver HepaRG cells, and/ or in colon carcinoma HCT-116 cells. The activation of proliferative Wnt/β-catenin signaling in HCT-116 cells reduced both the induction of CYP1 enzymes and the binding of p300 to the promoter of CYP1A1 or CYP1B1 genes. These results seem to indicate that aberrant proliferative signaling in tumor cells could suppress induction of CYP1A1 (or other CYP1 enzymes) via competition for p300 binding. This mechanism could be involved in modulation of the metabolism of both endogenous and exogenous substrates of CYP1A1 (and other CYP1 enzymes), with possible further consequences for alterations of the AhR signaling in tumor cells, or additional functional roles of CYP1 enzymes.