Title : 2,3,7,8-Tetrachlorodibenzo-p-Dioxin (TCDD)-Inducible Poly-ADP-Ribose Polymerase (TIPARP/PARP7) Catalytic Mutant Mice (TiparpH532A) Exhibit Increased Sensitivity to TCDD-Induced Hepatotoxicity and Lethality.

Pub. Date : 2021 Aug 30

PMID : 34129049






13 Functional Relationships(s)
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1 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7) catalytic mutant mice (TiparpH532A) exhibit increased sensitivity to TCDD-induced hepatotoxicity and lethality. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
2 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7) catalytic mutant mice (TiparpH532A) exhibit increased sensitivity to TCDD-induced hepatotoxicity and lethality. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
3 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7) catalytic mutant mice (TiparpH532A) exhibit increased sensitivity to TCDD-induced hepatotoxicity and lethality. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
4 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7) catalytic mutant mice (TiparpH532A) exhibit increased sensitivity to TCDD-induced hepatotoxicity and lethality. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
5 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7) catalytic mutant mice (TiparpH532A) exhibit increased sensitivity to TCDD-induced hepatotoxicity and lethality. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
6 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7) catalytic mutant mice (TiparpH532A) exhibit increased sensitivity to TCDD-induced hepatotoxicity and lethality. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
7 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7), an aryl hydrocarbon receptor (AHR) target gene and mono-ADP-ribosyltransferase, acts as part of a negative feedback loop to repress AHR signaling. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
8 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7), an aryl hydrocarbon receptor (AHR) target gene and mono-ADP-ribosyltransferase, acts as part of a negative feedback loop to repress AHR signaling. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
9 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7), an aryl hydrocarbon receptor (AHR) target gene and mono-ADP-ribosyltransferase, acts as part of a negative feedback loop to repress AHR signaling. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
10 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-inducible poly-ADP-ribose polymerase (TIPARP/PARP7), an aryl hydrocarbon receptor (AHR) target gene and mono-ADP-ribosyltransferase, acts as part of a negative feedback loop to repress AHR signaling. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
11 We hypothesized that the loss of TIPARP catalytic activity would increase sensitivity to TCDD-induced toxicity in vivo. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
12 Treatment of mouse embryonic fibroblasts or hepatocytes isolated from TiparpH532A mice confirmed the increased TCDD-induced expression of the AHR target genes Cyp1a1, Cyp1b1 and Tiparp. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus
13 Taken together, these data further support TIPARP as a critical negative regulator of AHR activity and show that loss of its catalytic activity is sufficient to increase sensitivity to TCDD-induced steatohepatitis and lethality. Polychlorinated Dibenzodioxins TCDD-inducible poly(ADP-ribose) polymerase Mus musculus