Both MIP-1 alpha and MIP-1 beta are structurally and functionally related CC chemokines. They participate in the host response to invading bacterial, viral, parasite and fungal pathogens by regulating the trafficking and activation state of selected subgroups of inflammatory cells e.g. macrophages, lymphocytes and NK cells. While both MIP-1 alpha and MIP-1 beta exert similar effects on monocytes their effect on lymphocytes differ; with MIP-1 alpha selectively attracting CD8+ lymphocytes and MIP-1 beta selectively attracting CD4+ lymphocytes. Additionally, MIP-1 alpha and MIP-1 beta have also been shown to be potent chemoattractants for B cells, eosinophils and dendritic cells. Both human and murine MIP-1 alpha and MIP-1 beta are active on human and murine hematopoietic cells. Recombinant rat MIP-1 beta is a 7.8 kDa protein containing 69 amino acid residues, including the four highly conserved cysteine residues present in CC chemokines.
Rat Ccl4 expressed in E.coli
CAT# CSC-CTK0861-10 (10 μg); CAT# CSC-CTK0861-50 (50 μg)
Greater than 98% as determined by SDS-PAGE and HPLC analysis.
Determined by its ability to chemoattract human monocytes using a concentration range of 0.01- 1.0 μg/ml.
Less than 1 EU/μg.
Lyophilized from a sterile-filtered solution with no additives.
Please centrifuge product briefly before opening vial. The lyophilized protein should be reconstituted in sterile, ultra-pure water to a concentration of 0.1-1.0 mg/ml. This solution can then be diluted into other aqueous buffers and stored at -20°C for future use.
Storage & Stability
The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted rRa MIP-1 beta should be used immediately or stored long- term in undiluted working aliquots at -20°C. Avoid repeated freeze-thaw cycles.
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