Overview
Zebrafish Interleukins (ILs) are cytokine proteins that mediate immune responses in zebrafish, a model organism widely used in biomedical research. These molecules are functionally analogous to human interleukins, sharing conserved signaling pathways despite evolutionary divergence. As key regulators of inflammation and immunity, zebrafish ILs are instrumental in studying host-pathogen interactions, autoimmune diseases, and vaccine development. Their small size and transparency make zebrafish ideal for in vivo imaging of immune processes.
Physical and Chemical Properties
Zebrafish ILs are typically globular proteins with molecular weights ranging from 15-30 kDa. They exhibit stability in neutral pH buffers but may degrade under extreme conditions. Most commercial preparations are provided as lyophilized powders or sterile-filtered solutions. The biological activity of these proteins depends on proper folding and post-translational modifications. Researchers should verify bioactivity through functional assays, as structural integrity directly impacts experimental outcomes in immune response studies.
Main Applications
In pharmaceutical research, zebrafish ILs serve as tools for screening immunomodulatory compounds. Their conserved pathways allow extrapolation to human drug targets while benefiting from zebrafish's high-throughput capabilities. Academic laboratories employ these cytokines to investigate innate immunity mechanisms, particularly in infectious disease models. The zebrafish IL system also aids in developmental immunology studies, revealing how immune function emerges during embryogenesis.
Safety and Storage
While not classified as hazardous materials, zebrafish ILs require proper biosafety level 1 (BSL-1) handling. Use personal protective equipment to prevent contamination and avoid inhalation of lyophilized powders. For optimal stability, store aliquots at -80°C with desiccants. Reconstituted solutions maintain activity for approximately one week at 4°C. Always include carrier proteins like BSA in working dilutions to prevent surface adsorption losses.
B2B Procurement Guide
When sourcing zebrafish interleukins, prioritize suppliers with demonstrated expertise in aquatic model systems. Key selection criteria include certificate of analysis (CoA) detailing purity (>95% by SDS-PAGE), endotoxin levels (<1 EU/μg), and functional validation data. Consider ordering small test quantities to verify performance in your specific assay systems before large-scale purchases. For specialized applications, some vendors offer custom expression services for rare or modified IL variants.
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