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Astrocytes 2.0 differentiated from human iPS cells, frozen
genetic status
Quantity (Cells Per Vials)
Catalog #
Astrocytes 2.0 differentiated from human iPS cells, frozen
iCell Astrocytes 2.0 are serum-free and ready for isogenic co-culture. These iPSC-derived human astrocytes are a highly pure population of human astrocytes derived from induced pluripotent stem (iPS) cells using FCDI’s proprietary differentiation protocol. They have an extended purity and functional quality control profile and are cultured in serum-free medium to provide a robust, reliable, and consistent off-the-shelf option for human astrocytes.
iCell Astrocytes 2.0 express known astroglia markers (CD44, CD49f, S100β, GFAP) and display functional properties of astrocytes, including glutamate uptake, IL-6 secretion in response to inflammatory stimuli, and enhancement of neural network formation in co-culture with iCell® GlutaNeurons. These cells provide a reliable source of human astrocytes suitable for use in targeted drug discovery, toxicity testing, and other discovery research.
iCell Astrocytes 2.0 benefits:
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Our specialists are here to help you find the best product for your application.
Our regular business hours are 9:00am to 5:00pm Central Time (USA)
Top) iCell Astrocytes 2.0 were analyzed at thaw using flow cytometry, showing a highly pure population of astrocytes as identified by expression of CD44, GFAP, and CD49f. Bottom) Representative immunocytochemistry images of iCell Astrocytes 2.0 at 7 days post thaw showing expression of CD44, CD49f, S100b, and GFAP.
iCell Astrocytes 2.0 from four differentiation lots (Lots 1-4) were plated at 5x104 cells/cm2 and cultured for 7 days using iCell Astrocyte Medium. iCell Astrocytes 2.0 were cultured for 1 hour with Glutamate (20 µM) and evaluated for glutamate uptake. Data show consistent glutamate uptake across lots. Additon of 300μM DL-threo-β-Benzyloxyaspartic acid (TBOA), a selective inhibitor of glutamate excitatory amino-acid transporters, reducd glutamate uptake in all lots.
iCell Astrocytes 2.0 cultured for 7 days using iCell Astrocytes 2.0 Medium. Astrocytes were the stimulated for 24 hours with IL-1β at multiple dose concentrations. Cell culture supernatants were collected and analyzed for IL-6 secretion using ELISA. iCell Astrocytes 2.0 display low basal IL-6 secretion which dose-dependently increased with IL-1β addition. Comparatively, iCell Astrocytes, 01434 (Cat # C1037) show higher basal IL-6 and reduced secretion following stimulation.
iCell Astrocytes 2.0 were plated with iCell GlutaNeurons in a 1:6 ratio and cultured following the FCDI application protocol to co-culture for multielectrode array (MEA) recording on the Axion Maestro. Representative MEA raster plots at 21 days in vitro indicate improved neural network synchrony of GlutaNeurons in co-culture with iCell Astrocytes 2.0. Two lots of iCell Astrocytes 2.0 were tested and display similar network maturation compared to iCell GlutaNeurons in culture alone.
iCell Astrocytes 2.0 were cultured with iCell Induced Excitatory Neurons following the iCell NeuroSphere Application Protocol. Each well contained 25,000 cells at varying Astrocyte to Neuron ratios (1:1, 1:2, and 1:4). (A) Representative images of an iCell NeuroSphere after 3 weeks. (B) After 24 days in culture, neurospheres were loaded with a calcium indicator and calcium oscillations were recorded. Representative oscillation plots demonstrate the effect of different astrocyte to neuron ratio affects calcium oscillation activity.