STEMdiff™ Microglia Maturation Kit
Maturation kit for the generation of microglia from human ES and iPS cell-derived microglia precursors
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- DMEM/F-12 with 15 mM HEPES
Dulbecco's Modified Eagle's Medium/Nutrient Ham's Mixture F-12 (DMEM/F-12) with 15 mM HEPES buffer
- Falcon® Conical Tubes, 15 mL
Sterile polypropylene conical tubes
- STEMdiff™ Microglia Differentiation Kit
Differentiation kit for the generation of microglia precursors from human ES and iPS cell-derived hematopoietic progenitor cells
- STEMdiff™ Hematopoietic Kit
For differentiation of human ES or iPS cells into hematopoietic progenitor cells
Based on the protocol from the laboratory of Mathew Blurton-Jones (Abud et al., 2017), the resulting cells are a highly pure population of microglia (> 80% CD45/CD11b-positive, > 50% TREM2-positive microglia; < 20% morphologically distinct monocytes or macrophages).
Cells derived using these products are versatile tools for modeling neuroinflammation, studying human neurological development and disease, co-culture applications, and toxicity testing.
Figure 1. Schematic for the STEMdiff™ Microglia Culture System Protocol
Functional microglia can be generated in 4-10 days from microglial precursors after 24 days in STEMdiff™ Microglia Differentiation Medium. For the differentiation of microglial precursors from hPSC-derived hematopoietic progenitor cells, see the PIS.
Figure 2. Microglia Generated with STEMdiff™ Microglia Culture System Are Transcriptionally Similar to Those from Published Differentiation and Maturation Protocols
RNA-seq datasets were extracted from 4 different publications (protocols A-D) that generated hPSC-derived microglia and compared their transcriptional profiles to those of other immune cell types (N = 500 genes). Principal component analysis (PCA) was performed on these data along with RNA-seq data from microglia generated with STEMdiff™ Microglia Culture System. The hPSC-derived microglia from STEMdiff™ Microglia Culture System plot most closely to those from protocols A and B.
Figure 3. STEMdiff™ Microglia Culture System Generates Functional Microglia Capable of Phagocytosis at Day 34
Microglia taking up pH-sensitive bioindicator particles at a concentration of 250 μg/mL (small dots) were measured over a 12-hour time period with live cell imaging. As the particles are phagocytosed, the cells turn red. Over time, the number of small dots decreased, and the red cells increased in number and aggregated. Scale bar = 100μm.
Figure 4. PSC-Derived Microglia Incorporate into Brain Organoids After 10 Days and Display an Activated Morphology upon Injury.
(A) Representative microglia and brain organoid co-cultures after 10 days, stained with IBA1 for microglia (green) and MAP2 for neurons (magenta). The microglia integrate among the neurons and display an unactivated morphology with extended processes (arrow). (B) The microglia display an activated amoeboid morphology upon injury as shown by IBA1 staining.
Protocols and Documentation
Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.
This product is designed for use in the following research area(s) as part of the highlighted workflow stage(s). Explore these workflows to learn more about the other products we offer to support each research area.
Resources and Publications
Educational Materials (17)
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STEMdiff™ Microglia Maturation Kit
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