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@article{1372466,
author = {Babica, Pavel and Čtveráčková, Lucie and Lenčešová, Zuzana and Trosko, James E. and Upham, Brad L.},
article_location = {ABINGDON},
article_number = {5},
doi = {http://dx.doi.org/10.1080/01635581.2016.1180409},
keywords = {CELL-CELL COMMUNICATION; CANCER CHEMOPREVENTION; STEM-CELLS; GREEN TEA; H2O2-INDUCED INHIBITION; CHEMICAL CARCINOGENESIS; DOWN-REGULATION; CHEMOTHERAPY; PREVENTION; QUERCETIN},
language = {eng},
issn = {0163-5581},
journal = {Nutrition and cancer : an international journal},
title = {Chemopreventive Agents Attenuate Rapid Inhibition of Gap Junctional Intercellular Communication Induced by Environmental Toxicants},
url = {http://www.tandfonline.com/doi/abs/10.1080/01635581.2016.1180409?journalCode=hnuc20},
volume = {68},
year = {2016}
}
TY - JOUR
ID - 1372466
AU - Babica, Pavel - Čtveráčková, Lucie - Lenčešová, Zuzana - Trosko, James E. - Upham, Brad L.
PY - 2016
TI - Chemopreventive Agents Attenuate Rapid Inhibition of Gap Junctional Intercellular Communication Induced by Environmental Toxicants
JF - Nutrition and cancer : an international journal
VL - 68
IS - 5
SP - 827-837
EP - 827-837
PB - ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
SN - 01635581
KW - CELL-CELL COMMUNICATION
KW - CANCER CHEMOPREVENTION
KW - STEM-CELLS
KW - GREEN TEA
KW - H2O2-INDUCED INHIBITION
KW - CHEMICAL CARCINOGENESIS
KW - DOWN-REGULATION
KW - CHEMOTHERAPY
KW - PREVENTION
KW - QUERCETIN
UR - http://www.tandfonline.com/doi/abs/10.1080/01635581.2016.1180409?journalCode=hnuc20
L2 - http://www.tandfonline.com/doi/abs/10.1080/01635581.2016.1180409?journalCode=hnuc20
N2 - Altered gap junctional intercellular communication (GJIC) has been associated with chemical carcinogenesis, where both chemical tumor promoters and chemopreventive agents (CPAs) are known to conversely modulate GJIC. The aim of this study was to investigate whether attenuation of chemically inhibited GJIC represents a common outcome induced by different CPAs, which could be effectively evaluated using in vitro methods. Rat liver epithelial cells WB-F344 were pretreated with a CPA for either 30min or 24h, and then exposed to GJIC-inhibiting concentration of a selected tumor promoter or environmental toxicant [12-O-tetradecanoylphorbol-13-acetate (TPA), lindane, fluoranthene, 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (DDT), perfluorooctanoic acid (PFOA), or pentachlorophenol]. Out of nine CPAs tested, quercetin and silibinin elicited the most pronounced effects, preventing the dysregulation of GJIC by all the GJIC inhibitors, but DDT. Metformin and curcumin attenuated the effects of three GJIC inhibitors, whereas the other CPAs prevented the effects of two (diallyl sulfide, emodin) or one (indole-3-carbinol, thymoquinone) GJIC inhibitor. Significant attenuation of chemically induced inhibition of GJIC was observed in 27 (50%) out of 54 possible combinations of nine CPAs and six GJIC inhibitors. Our data demonstrate that in vitro evaluation of GJIC can be used as an effective screening tool for identification of chemicals with potential chemopreventive activity.
ER -
BABICA, Pavel, Lucie ČTVERÁČKOVÁ, Zuzana LENČEŠOVÁ, James E. TROSKO and Brad L. UPHAM. Chemopreventive Agents Attenuate Rapid Inhibition of Gap Junctional Intercellular Communication Induced by Environmental Toxicants. \textit{Nutrition and cancer : an international journal}. ABINGDON: ROUTLEDGE JOURNALS, TAYLOR \&{}amp; FRANCIS LTD, 2016, vol.~68, No~5, p.~827-837. ISSN~0163-5581. Available from: https://dx.doi.org/10.1080/01635581.2016.1180409.
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