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STEMdiff™ 红系分化试剂盒

用于将人 ES 细胞或 iPS 细胞分化为红系祖细胞
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产品号 #100-0074_C

用于将人 ES 细胞或 iPS 细胞分化为红系祖细胞

产品优势

  • 无血清和无饲养层配方
  • 可在多个人胚胎干细胞（ES）和诱导多能干细胞（iPS）系中稳定高效地产生红细胞祖细胞
  • 人 iPSC/ESC 衍生的红系祖细胞可进一步成

产品组分包括

  • STEMdiff™ 造血基础培养基，120 mL
  • STEMdiff™ 造血补充剂 A，225 μL
  • STEMdiff™ 红细胞补充剂 E1 (10X)，10 mL
  • STEMdiff™ 红细胞补充剂 E2 (10X)，20 mL
  • StemSpan™ SFEM II，100 mL
main product photo
Need a high-quality cell source? Use the hiPSC SCTi003-A (female) control line, manufactured with mTeSR™ Plus.
专为您的实验方案打造的产品
要查看实验方案所需的所有配套产品，请参阅《实验方案与技术文档》。
  1. mTeSR™ Plus
    mTeSR™ Plus

    cGMP, stabilized feeder-free maintenance medium for human ES and iPS cells

总览
实验数据
产品说明书及文档
应用领域
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总览

STEMdiff™ 红系分化试剂盒专为在无血清、无饲养细胞条件下，将人胚胎干细胞（ES细胞）和诱导多能干细胞（iPS细胞）分化为红系前体细胞（红细胞祖细胞）而设计。这些细胞表达 Glycophorin A 和 CD71。该试剂盒采用简便的二维（2D）分化方案，分为两个阶段进行：

第一阶段（第0–12天）：向基础培养基中依次添加 STEMdiff™ 造血补充剂A 和红系补充剂E1，以诱导细胞向红系倾向的造血祖细胞方向分化。此阶段结束时，可轻松从培养上清中收集造血祖细胞。

第二阶段（第10–24天）：通过添加红系补充剂E2 和 StemSpan™ SFEM II，对细胞进一步分化为红系前体细胞。在这一14天的红系分化阶段，细胞平均扩增241倍（±190倍，95%置信区间），第24天的细胞群体中通常含有约74%（±5%，95%置信区间）的 CD71⁺GlyA⁺ 红细胞母细胞。

使用 STEMdiff™ 红系分化试剂盒生成的细胞在适当的成熟培养条件下，还可进一步分化为晚幼红细胞（normoblasts）和网织红细胞（reticulocytes）。该试剂盒已针对以下细胞维持体系进行优化：mTeSR™1（目录号 #85850）、mTeSR™ Plus（目录号 #100-0276）和 TeSR™-E8™（目录号 #05990）。

第一阶段（第0–12天）：向基础培养基中依次添加 STEMdiff™ 造血补充剂A 和红系补充剂E1，以诱导细胞向红系倾向的造血祖细胞方向分化。此阶段结束时，可轻松从培养上清中收集造血祖细胞。

第二阶段（第10–24天）：通过添加红系补充剂E2 和 StemSpan™ SFEM II，对细胞进一步分化为红系前体细胞。在这一14天的红系分化阶段，细胞平均扩增241倍（±190倍，95%置信区间），第24天的细胞群体中通常含有约74%（±5%，95%置信区间）的 CD71⁺GlyA⁺ 红细胞母细胞。

使用 STEMdiff™ 红系分化试剂盒生成的细胞在适当的成熟培养条件下，还可进一步分化为晚幼红细胞（normoblasts）和网织红细胞（reticulocytes）。该试剂盒已针对以下细胞维持体系进行优化：mTeSR™1（目录号 #85850）、mTeSR™ Plus（目录号 #100-0276）和 TeSR™-E8™（目录号 #05990）。

第一阶段（第0–12天）：向基础培养基中依次添加 STEMdiff™ 造血补充剂A 和红系补充剂E1，以诱导细胞向红系倾向的造血祖细胞方向分化。此阶段结束时，可轻松从培养上清中收集造血祖细胞。

第二阶段（第10–24天）：通过添加红系补充剂E2 和 StemSpan™ SFEM II，对细胞进一步分化为红系前体细胞。在这一14天的红系分化阶段，细胞平均扩增241倍（±190倍，95%置信区间），第24天的细胞群体中通常含有约74%（±5%，95%置信区间）的 CD71⁺GlyA⁺ 红细胞母细胞。

使用 STEMdiff™ 红系分化试剂盒生成的细胞在适当的成熟培养条件下，还可进一步分化为晚幼红细胞（normoblasts）和网织红细胞（reticulocytes）。该试剂盒已针对以下细胞维持体系进行优化：mTeSR™1（目录号 #85850）、mTeSR™ Plus（目录号 #100-0276）和 TeSR™-E8™（目录号 #05990）。

第一阶段（第0–12天）：向基础培养基中依次添加 STEMdiff™ 造血补充剂A 和红系补充剂E1，以诱导细胞向红系倾向的造血祖细胞方向分化。此阶段结束时，可轻松从培养上清中收集造血祖细胞。

第二阶段（第10–24天）：通过添加红系补充剂E2 和 StemSpan™ SFEM II，对细胞进一步分化为红系前体细胞。在这一14天的红系分化阶段，细胞平均扩增241倍（±190倍，95%置信区间），第24天的细胞群体中通常含有约74%（±5%，95%置信区间）的 CD71⁺GlyA⁺ 红细胞母细胞。

使用 STEMdiff™ 红系分化试剂盒生成的细胞在适当的成熟培养条件下，还可进一步分化为晚幼红细胞（normoblasts）和网织红细胞（reticulocytes）。该试剂盒已针对以下细胞维持体系进行优化：mTeSR™1（目录号 #85850）、mTeSR™ Plus（目录号 #100-0276）和 TeSR™-E8™（目录号 #05990）。

亚型
专用培养基
 
细胞类型
红系细胞，造血干/祖细胞
 
种属
人
 
应用
细胞培养，分化，扩增
 
品牌
STEMdiff
 
研究领域
疾病建模，药物发现和毒理检测，干细胞生物学，移植研究
 
制剂类别
无血清
 

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实验数据

Figure showing the protocol for differentiating human pluripotent stem cells to erythroid cells using STEMdiff™ Erythroid Kit

Figure 1. Erythroid Differentiation Protocol

The protocol involves two main steps: (A) hematopoietic specification of human embryonic stem (hES) or induced pluripotent stem (hiPS) cells and (B) differentiation of hES or hiPS cell-derived HPCs into erythroid cells. One day prior to differentiation, hES or hiPS cells were plated as small aggregates (100 - 200 µm diameter) at a density of 15 - 20 aggregates/cm2 in mTeSR™1, mTeSR™ Plus, or TeSR™-E8™ medium on Corning® Matrigel®-coated plates. After attaching overnight, mesoderm differentiation was initiated by changing the medium to Medium A (STEMdiff™ Hematopoietic Basal Medium + STEMdiff™ Hematopoietic Supplement A). On day 3, the medium was changed to Medium E1 (STEMdiff™ Hematopoietic Basal Medium + STEMdiff™ Erythroid Supplement E1) to induce hematoendothelial and hematopoietic specification. On day 10, hematopoietic progenitor cells (HPCs) in suspension were harvested from the culture and counted. Following this, HPCs were replated in Medium E2 (StemSpan™ SFEM II + STEMdiff™ Erythroid Supplement E2) at a density of 4 x 10 4 cells/mL and cultured for 14 days to generate erythroblasts.

Figure showing generation of CD71+GlyA+ erythroid cells from pluripotent stem cells using STEMdiff™ Erythroid Kit

Figure 2. Robust and Efficient Generation of CD71+GlyA+ Erythroids Using STEMdiff™ Erythroid Kit

hES and hiPS cells were induced to differentiate into CD71+GlyA+ cells using the 24-day protocol shown in Figure 1. Following the initial 10-day culture period and at the end of the 24-day protocol, cells were harvested from the supernatant and analyzed by flow cytometry. Dead cells were excluded by light scatter profile and propidium iodide staining. (A) Representative flow cytometry plot for iPSC-derived (1C) cells analyzed on day 10. Cells were identified as CD34+CD43+ hematopoietic progenitors. (B) After 24 days of culture, cells were identified as having differentiated into CD71+ GlyA+ erythroblasts. The erythroid identity of the generated cells was additionally assessed by cell morphology and hemoglobin expression (see Figure 4).

Figure showing average cell numbers of erythroid cells generated from pluripotent stem cells using STEMdiff™ Erythroid Kit

Figure 3. Production of Erythroid Cells from hES and hiPS cells After 24 Days of Culture in the STEMdiff™ Erythroid Kit

(A) Shown are the average numbers of viable, GlyA+ erythroid cells generated per input cell after culturing hES and hiPS cells for 24 days using the STEMdiff™ Erythroid Kit. (B) The overall frequency of GlyA+ erythroid cells present in culture after 24 days is shown as a percentage of total nucleated cells present. Data are presented as mean and SEM (n = 5 - 21) for six individual hES and hiPS cell lines.

Figures showing erythroid cells generated using STEMdiff™ Erythroid Kit are hemoglobinized and display typical morphology

Figure 4. hES and hiPS cells-Derived Erythroid Cells Are Hemoglobinized and Display Typical Erythroid Morphology

(A) Erythroid cells generated with the STEMdiff™ Erythroid Kit express a mix of primitive (embryonic) and definitive (fetal, adult) hemoglobin. Shown are the results of qPCR analysis for globin gene expression after 24 days of culture. (B) A picture of the cell pellet shows that cells produced in culture are hemoglobinized. (C) Cells display typical basophilic erythroblast morphology after 24 days of culture using the STEMdiff™ Erythroid Kit (40X magnification, May-Grunwald Giemsa stain).

Figures showing erythroid cells generated using STEMdiff™ Erythroid Kit can be further matured into normoblasts

Figure 5. hES and hiPS Cell-Derived Erythroid Cells Can Mature into CD71low/GlyA+ Normoblasts

hES and hiPS cell-derived erythroblasts can mature further when cultured for an additional 7 days in maturation conditions (StemSpan™ SFEM II medium with human serum (3%) and EPO (3 U/mL)). (A) Further maturation of the erythroid cells results in smaller cells with condensed nuclei, which is typical for orthochromatic normoblasts (40X magnification, May-Grunwald Giemsa stain). (B) A representative flow cytometry plot shows that over 90% of the cells are GlyA+ and majority of cells have decreased CD71 expression, which is consistent with erythroid maturation. (C) Bar graphs summarize the average frequencies of GlyA+ erythroid cells on day 31 across all 6 hiPS cell lines. (D) Notably, fold expansion data shows that cell numbers are maintained during the maturation culture. Data are presented as mean and SEM (n=2-6).

产品说明书及文档

请在《产品说明书》中查找相关支持信息和使用说明，或浏览下方更多实验方案。

Document Type
Product Name
Catalog #
Lot #
Language
Document Type
Product Information Sheet
Product Name
STEMdiff™ Erythroid Kit
Catalog #
100-0074
Lot #
All
Language
English
Document Type
Safety Data Sheet 1
Product Name
STEMdiff™ Erythroid Kit
Catalog #
100-0074
Lot #
All
Language
English
Document Type
Safety Data Sheet 2
Product Name
STEMdiff™ Erythroid Kit
Catalog #
100-0074
Lot #
All
Language
English
Document Type
Safety Data Sheet 3
Product Name
STEMdiff™ Erythroid Kit
Catalog #
100-0074
Lot #
All
Language
English
Document Type
Safety Data Sheet 4
Product Name
STEMdiff™ Erythroid Kit
Catalog #
100-0074
Lot #
All
Language
English
Document Type
Safety Data Sheet 5
Product Name
STEMdiff™ Erythroid Kit
Catalog #
100-0074
Lot #
All
Language
English

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种属 Human
配方类别 Serum-Free
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