“…4b). Discussion The exposure to environmental toxic chemicals can cause several detrimental effects in biological cell systems (Topham, 1980;House et al, 1996;Snyder and Andrews, 1996;Griffin et al, 2000;Wang et al, 2007Wang et al, , 2013Al-Griw et al, 2015a,b,c). TCE, a widely used industrial agent and a ubiquitous environmental contaminant, is non-carcinogenic (group 3) because there is inadequate evidence for carcinogenicity in both human and animals according to EPA and National Toxicology Program (NTP) technical report (NTP, 2000;EPA, 2007).…”