Advanced approaches for endotoxin detection and removal from snake antivenoms

Area of Science:

• Biotechnology
• Analytical Chemistry
• Immunology

Background:

• Endotoxins, lipopolysaccharides (LPS), are critical contaminants in biotechnological preparations.
• Excessive or systemic exposure to LPS can lead to severe pathophysiological consequences.
• Understanding endotoxin properties is crucial for ensuring product safety and efficacy.

Purpose of the Study:

• To conduct a comprehensive literature assessment of endotoxin detection and removal strategies.
• To review the history, chemical, and physical properties of endotoxins.
• To discuss pathophysiological effects and interaction with proteins.

Main Methods:

• Literature review of endotoxin detection and removal techniques.
• Analysis of adsorption, ultrafiltration, and chromatography methods for endotoxin removal.
• Evaluation of the Limulus Amebocyte Lysate (LAL) assay for endotoxin detection.

Main Results:

• Affinity resin-based chromatography is identified as the most efficient endotoxin elimination method.
• Heat activation and specific buffer rehydration of LAL reagent optimize endotoxin detection in polyvalent snake venom antiserum.
• Several methods offer high protein recovery during endotoxin removal processes.

Conclusions:

• Effective endotoxin control is vital in biotechnological manufacturing.
• Affinity chromatography offers superior endotoxin removal efficiency.
• Optimized LAL testing protocols are necessary for complex biological samples like antisera.