Abstract
Tityus serrulatus accident promote vast symptomatology related to toxins of the venom, which leads to a massive release of neurotransmitters, notably dopamine, affecting behavior and neurochemistry. The recommended treatment for envenomation is the antiscorpionic serum (SAEsc) administration. Related to this complexity of the Tityus serrulatus envenomation, this study aimed to assess organism responses to the venom, its impact on behavior, oxidative stress, neurochemistry, and genetic impacts, as well as the efficacy of SAEsc, especially concerning dopamine levels and genetic interactions. Swiss mice were divided into groups and administered different venom concentrations intracerebroventricularly to assess behavioral impacts and brain oxidative stress. Oxidative stress was evaluated through reactive oxygen species (ROS) analysis and antioxidant assays, including dichloro-dihydro-fluorescein diacetate (DCF), thiobarbituric acid reactive substances (TBARS), superoxide dismutase (SOD), and glutathione (GSH) measurements. Swiss mice were divided into four groups to evaluate genomic modulation, micronucleus enhancement, and dopamine levels. Additionally, SAEsc's neutralizing effect on dopamine was also investigated. Results showed that venom doses (100-300 ng/μL) increased lipid peroxidation in the brain, with SAEsc maintaining dopamine balance and neutralizing venom up to 24 hours post-envenomation. After 24 hours, cellular repair became less efficient, leading to mutagenic damage in both treated and untreated animals. The results highlight the importance of considering genomic and neurotransmitter function modulation in the treatment of Tityus serrulatus envenomation.
Published Version
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