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- Title
Exposure to low-dose arsenic caused teratogenicity and upregulation of proinflammatory cytokines in zebrafish embryos.
- Authors
Piyushbhai, Modi Kiran; Binesh, Ambika; Shanmugam, S. A.; Venkatachalam, Kaliyamurthi
- Abstract
Arsenic is currently ranked as the most toxicant on the ATSDR 2015 substance priority list and is categorised as a Group 1 human carcinogen. Biota that are subjected to inorganic arsenicals through food, water, occupational or medical exposure pose a risk to the environment and to human health. The present study was carried out to investigate the toxicity caused by inorganic arsenic. After fertilisation, zebrafish embryos were exposed to sodium arsenite at several concentrations (100 nM to 600 nM) for 24 to 96 hpf. The indicators of teratogenicity (hatchability, morphological abnormalities, mortality), behavioural modifications (touch induced escape response (TIER), startle response (SR) and turning behaviour (TB)), biochemical testing (superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), and glutathione S transferase (GST)) and the expressions of tumor necrosis factor α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6) and cyclooxygenase-2 (COX-2) were investigated. The aforementioned parameters were found to be altered in embryos exposed to sodium arsenite. According to the findings of the current study, even a low dose of inorganic arsenic compound caused teratogenicity, behavioural abnormalities, altered enzyme activities and the expression of proinflammatory cytokines in zebrafish embryos.
- Subjects
ZEBRA danio embryos; TUMOR necrosis factors; ARSENIC compounds; BEHAVIOR modification; ARSENIC; BRACHYDANIO; CATALASE; GLUTATHIONE transferase
- Publication
Biological Trace Element Research, 2023, Vol 201, Issue 7, p3487
- ISSN
0163-4984
- Publication type
Article
- DOI
10.1007/s12011-022-03418-w