ActoFactor™ Recombinant Human Interleukin 34

CSC-CTK0276

IL-34 is a homodimeric cytokine that is expressed in a range of tissues including spleen, heart, brain, liver, kidney, lung, ovary, thymus, testis, small intestine, prostate and colon. IL-34 is a ligand for colony-stimulating factor-1 receptor (CSF1R), which also binds to CSF-1. It specifically binds CD14+ monocytes, promotes survival and proliferation of human peripheral blood monocytes, and stimulates macrophage colony formation by human bone marrow cells. IL-34, like human CSF-1 stimulates phosphorylation of MAPK1/ERK2 and MAPK3/ERK1. Recombinant human IL-34 is a 52.5 kDa homodimeric glycoprotein consisting of 460 amino acid residues, including a C-terminal His-Tag.

Human

Human IL34 expressed in HEK293 cells

52.5 kDa

CAT# CSC-CTK0276-10 (10 μg); CAT# CSC-CTK0276-50 (50 μg)

HEK293 cells

Greater than 95% as determined by SDS-PAGE and HPLC.

Measured by ist ability to induce secretion of MCP-1 from PBMCs.

Less than 1 EU/μg.

Sterile-filtered through a 0.2 micron filter and lyophilized from 20 mM citric acid (pH 3.0).

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.

The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored dessicated at -20°C. Reconstituted protein should be used immediately or stored long-term in undiluted working aliquots at –20°C. For long term storage, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze / thaw cycles.

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