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Differential Proteomic Analysis of Low-Dose Chronic Paralytic Shellfish Poisoning.
Xiujie Liu1, Fuli Wang1, Huilan Yu1
1State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China.
Marine Drugs
|March 27, 2024
Summary
Shellfish poisoning alters brain proteins, impacting synaptic transmission and ion transport. This study reveals key proteomic changes in the brain caused by chronic low-dose exposure, offering insights into neurological effects.
Area of Science:
- Neuroscience
- Proteomics
- Toxicology
Background:
- Shellfish poisoning is a prevalent form of foodborne illness.
- Understanding the neurological impact of chronic low-dose shellfish poisoning is crucial.
Purpose of the Study:
- To comprehensively characterize proteome alterations in the whole brain resulting from shellfish poisoning.
- To investigate the molecular mechanisms underlying the neurological effects of shellfish poisoning.
Main Methods:
- Tandem mass tag (TMT)-based differential proteomic analysis was employed.
- A low-dose chronic shellfish poisoning mouse model was utilized.
- 6798 proteins were identified, with 123 showing significant changes (p < 0.05).
Main Results:
- Significant changes were observed in proteins related to synaptic transmission and nervous system development.
- Alterations in ion transport, including decreased key enzymes in voltage-gated ion channel activity and solute carrier family proteins, were noted.
- Proteins involved in transferase activity also exhibited changes.
Conclusions:
- Chronic low-dose shellfish poisoning induces significant proteomic changes in the mouse brain.
- These alterations suggest nerve damage and disruption of synaptic function and ion transport.
- The findings provide valuable insights into the functional mechanisms of shellfish poisoning's neurological effects.
