产品号 #100-0016_C
用于从人 ES 和 iPS 细胞衍生的星形胶质细胞前体生成皮质型星形胶质细胞的成熟试剂盒
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用于从人 ES 和 iPS 细胞衍生的星形胶质细胞前体生成皮质型星形胶质细胞的成熟试剂盒
Enzyme-free reagent for the selective detachment of neural rosettes
Serum-free medium kit for highly efficient SMAD inhibition-mediated neural induction of human ES and iPS cells
Serum-free differentiation kit for generating astrocyte precursors from hPSC-derived neural progenitor cells
Frozen human neural progenitor cells differentiated from the human induced pluripotent stem cell line, SCTi003-A
Dulbecco's Modified Eagle's Medium/Nutrient Ham's Mixture F-12 (DMEM/F-12) with 15 mM HEPES buffer
Compatible antibodies for purity assessment of isolated cells
STEMdiff™ 星形胶质细胞成熟试剂盒用于快速高效地将通过 STEMdiff™ 星形胶质细胞分化试剂盒(目录号 #100-0016)从人类多能干细胞(hPSCs)衍生的星形胶质前体分化为皮层型的星形胶质细胞。使用该系统,最快可在 7 周内从 hPSC 中分离出高纯度的星形胶质细胞群(平均 S100B 阳性细胞 > 70%、GFAP 阳性细胞 > 60%;双皮质素阳性细胞 < 15%),并可在培养中长期维持。使用这些产品分离的细胞可作为构建人类神经发育和疾病模型、药物筛选、毒性测试和细胞疗法验证的多功能工具。
亚型
专用培养基
细胞类型
星形胶质细胞,神经细胞,PSC衍生
种属
人
应用
细胞培养,分化,功能学筛选
品牌
STEMdiff
研究领域
疾病建模,药物发现和毒理检测,神经科学
Figure 1. Schematic for the Embryoid Body Protocol
Cortical-type astrocytes can be generated from astrocyte precursors after 20 days in STEMdiff™ Astrocyte Differentiation Medium. For differentiation of precursors from embryonic and induced pluripotent stem cells, see the PIS.
Figure 2. Schematic for the Monolayer Protocol
Cortical-type astrocytes can be generated from astrocyte precursors after 21 days in STEMdiff™ Astrocyte Differentiation Medium. For differentiation of precursors from embryonic and induced pluripotent stem cells, see the PIS.
Figure 3. Cortical-Type Astrocytes Are Generated After Culture in STEMdiff™ Astrocyte Differentiation and Maturation Kits
NPCs generated from hPSCs in TeSR™-E8™ using the STEMdiff™ SMADi Neural Induction Kit embryoid body (EB) protocol were differentiated and matured to cortical-type astrocytes using the STEMdiff™ Astrocyte Differentiation and Maturation Kits. Cortical-type astrocytes were formed after iPS cell-derived NPCs were cultured with the STEMdiff™ Astrocyte Differentiation Kit for 3 weeks and STEMdiff™ Astrocyte Maturation Kit for 3 weeks. (A) Nuclei are labeled with DAPI (gray). The resulting cultures contain a highly pure population of astrocytes, which are (B) more than 60% GFAP-positive (green) and (C) more than 70% S100B-positive (magenta), with (D) fewer than 15% neurons (DCX-positive cells, cyan). Scale bar = 100 μm.
Figure 4. STEMdiff™ Astrocyte Kits Generate Cells Expressing Expected Levels of Genes Characteristic for Astrocytes
Embryonic stem and induced pluripotent stem cells from a variety of lines (n = 6, maintained in mTeSR™1 or TeSR™-E8™) were differentiated to NPCs using the STEMdiff™ SMADi Neural Induction Kit embryoid body protocol. Cells were then grown in STEMdiff™ Astrocyte Differentiation Kit for 3 weeks followed by STEMdiff™ Astrocyte Maturation Kit for 3 weeks prior to analysis. Expression levels were measured by quantitative PCR (qPCR) and normalized to hPSC controls relative to housekeeping genes 18S and TBP.
Figure 5. PSC-Derived Astrocytes and Neurons Can Be Co-Cultured to Model Cell-Cell Interactions In Vitro
NPCs generated from the H1 cell line were differentiated to astrocytes using STEMdiff™ Astrocyte Differentiation and Maturation Kits. H9 cell-derived NPCs were differentiated to forebrain-type neurons using STEMdiff™ Forebrain Neuron Differentiation and Maturation Kits. For co-culture, matured astrocytes were seeded onto forebrain neurons that had been in STEMdiff™ Forebrain Neuron Maturation Medium for at least one week. Co-cultures were then switched to STEMdiff™ Forebrain Neuron Maturation Medium the following day and for the remaining co-culture. (A) Neurons cultured alone, following the co-culture feeding schedule, are labeled with DCX (green). (B) DCX-positive neurons (green) and astrocytes (GFAP, red) can be co-cultured for at least 1 - 2 weeks prior to analysis. For a detailed co-culture protocol, please see the Methods Library.
Figure 6. PSC-Derived Neurons Survive and Mature when Co-Cultured with PSC-Derived Astrocytes
NPCs generated from the STiPS-R038 cell line were differentiated to astrocytes using STEMdiff™ Astrocyte Differentiation and Maturation Kits. STiPS-M001 cell-derived NPCs were differentiated to forebrain-type neurons using STEMdiff™ Forebrain Neuron Differentiation and Maturation Kits. After co-culture for one week, neurons (A) had significantly increased neurite outgrowth as measured on MAP2-positive neurons with the NeuriteTracer plugin for ImageJ (M Pool et al. J Neurosci Methods, 2008) and (B) were more numerous than neurons cultured alone using the same feeding schedule. *, p < 0.05; **, p < 0.01.
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