Kupffer cells (KC), also known as stellate macrophages, are liver macrophages that reside in the lumen of the liver sinusoids. Kupffer cells play a critical role in maintaining liver functions including the removal of pathogens & foreign materials, antigen presentation and modulating innate immune responses. In vitro studies of Kupffer cells have been hindered by the difficulty in isolating sufficient number of primary cells and the limited lifespan of the cells in culture.
ImKC is a cytokine-producing immortalized Kupffer cell line that was established from transgenic mice expressing the thermolabile mutant tsA58 of the Simian virus 40 large T antigen under the control of the H-2kb promoter. Primary KC were obtained using a three step procedure: liver perfusion, centrifugal elutriation, and sorting for F4/80+ cells. ImKC were identified within the small-intermediate population of KC that maintained stable expression of F4/80, and the surface antigens CD11b, CD14 and TLR4.
Cell Line Description
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Research Sub Category
Inflammation & Immunology
• Each vial contains ≥ 1X106 viable cells.
• Cells tested negative for infectious diseases by a Mouse/Rat Comprehensive CLEAR panel PCR panel by Charles River Animal Diagnostic Services.
• Cells tested negative for mycoplasma contamination
Storage and Stability
Store in liquid nitrogen. The cells can be cultured for at least 10 passages after initial thawing without significantly affecting the cell marker expression and functionality.