Abstract:
:Hepatic copper levels differ among patients with Wilson disease (WD) and normal individuals depending on the dietary intake, copper bioavailability, and genetic factors. Copper chloride (CuCl2 ) caused dose-dependent reduction in cell viability of human teratocarcinoma (HepG2) cell line, measured using the 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. Cells were exposed to different concentrations of CuCl2 in log doses and maximum cell viability reduction was recorded at 15 µg/mL. Toxic dose of CuCl2 is potent inducer of reactive oxygen species (ROS). Apoptosis as a pattern of cell death was confirmed through sub-G1 fraction and morphological changes such as mitochondrial depolarization, endoplasmic reticulum and lysosomal destabilization, phosphatidylserine translocation, and DNA damage. Our transcriptional and translational results strongly support apoptotic cell death. Using the available data present in dbSNP and bioinformatics tools, three nonsynonymous single nucleotide polymorphisms (nsSNPs) were identified as deleterious, reducing the stability of protein ATP7B. Structural analysis of native and mutant ATP7B proteins was investigated using molecular dynamics simulation (MDS) approach. Mutation in ATP7B gene might disturb the structural conformation and catalytic function of the ATP7B protein may be inducing WD. Hence, excess dietary intake of copper chloride must be avoided for safety of health to prevent from WD.
journal_name
J Cell Biochemjournal_title
Journal of cellular biochemistryauthors
Agnihotry S,Dhusia K,Srivastav AK,Upadhyay J,Verma V,Shukla PK,Ramteke PW,Gautam Bdoi
10.1002/jcb.29199subject
Has Abstractpub_date
2019-11-01 00:00:00pages
18826-18844issue
11eissn
0730-2312issn
1097-4644journal_volume
120pub_type
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