健康对照人 iPSC 系，女性，SCTi003-A

人多能干细胞系，冷冻

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产品号 #200-0511_C

人多能干细胞系，冷冻

产品优势

依照IRB协议采集的符合伦理的人iPSCs，使学术和商业研究成为可能
全流程质量控制符合或优于行业标准（ISCBI，2009）的严格质量控制
细胞系已通过 hPSCreg® 认证，提升研究透明度，确保伦理合规与生物一致性
与 TeSR™ 培养基（用于干细胞维持）及 STEMdiff™ 分化试剂盒兼容，便于将人iPSCs整合入现有工作流程

产品组分包括

健康对照人iPSC系，女性，SCTi003-A（产品号#200-0511）

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总览

以可靠、高质量的人诱导多能干细胞（iPSC）——SCTi003-A 细胞系自信地开启您的研究之旅。SCTi003-A 源自健康女性供体外周血单核细胞 (PBMC)，适用于多种应用，例如用作未受影响的对照、基因编辑或下游分化为谱系特异性细胞类型和类器官。

为确保最佳产品性能和可重复性，SCTi003-A 采用严格的质量控制程序，在由mTeSR™+，康宁®Matrigel®hESC-Qualified Matrix，以及ReLeSR™组成的培养体系中生产． SCTi003-A核型稳定，具有三胚层分化潜能，表达未分化细胞标志物，并采用非整合重编程技术进行重编程。已在hPSCreg®注册，确保依据行业共同标准，符合伦理合规与生物一致性。

SCTi003-A 细胞系已通过PBS-MINI生物反应器扩增验证，支持高效规模化放大培养。该细胞系已通过 STEMdiff™ 试剂盒在 2D 和类器官模型中针对多种谱系和组织类型的分化验证（图6-11）。浏览TeSR™和STEMdiff™细胞培养基产品，为您的细胞培养系统建立完整的工作流程。关于不同基因型的对照 iPSC 细胞系，请参阅我们的所有高质量、健康的女性和男性人iPSC对照系。

本产品仅供研究使用 (RUO)，已获得学术和商业用途许可。血样采集符合伦理规范，遵循经过机构审查委员会（IRB）或其他监管机构批准的知情同意书与方案。有关供体详细信息和源细胞库的细胞质量表征，请参阅本页的数据图表。SCTi003-A 来源于 αβ T 细胞，具有 VDJ 序列重排特征。如需了解更多详情，请参阅批次特定的分析证书和诱导多能干细胞系常见问题解答。

全外显子组和全基因组序列数据文件可根据要求提供。请联系我们获取报价。

部分产品只在特定地区有售。在特定地区销售。如需了解更多信息，请联系当地销售代表或产品与科学支持团队，邮箱地址：techsupport@stemcell.com。

实验数据

Table 1. iPSC Line SCTi003-A Is Derived from a Healthy Female Donor

Demographic, health, and genetic characteristics of the SCTi003-A donor are compiled based on self-reported information and whole-exome sequencing. Sex was determined by karyotype. Ancestry and HLA haplotype were calculated from whole-genome and whole-exome sequencing combined data. Blood type (ABO/Rh blood group) was determined by next-generation sequencing. Height, weight, and BMI were calculated at the donation facility. iPSC = induced pluripotent stem cell.

Brightfield images of increasing magnification show typical healthy iPSC morphology

Figure 1. SCTi003-A Human Pluripotent Stem Cells Demonstrate High-Quality Morphology in Routine Culture

Cryopreserved cells from line SCTi003-A were thawed and maintained in mTeSR™ Plus on Corning® Matrigel® Matrix. (A) The resulting iPSC colonies have densely packed cells and show multi-layering when ready to be passaged. (B,C) Cells retain prominent nucleoli and high nuclear-to-cytoplasmic ratios. iPSC = induced pluripotent stem cell.

Chromosomes arranged in a normal karyotype and a cell image showing 2 fluorescent in situ hybridization probes

Figure 2. SCTi003-A Human Pluripotent Stem Cells Maintain a Normal Karyotype

(A) G-T-L banding for thawed cells at p26 (n = 20) shows a normal karyotype with no evidence of clonal abnormalities at a band resolution of 450 - 550 G-bands per haploid genome. (B) Fluorescent in situ hybridization in a representative p26 iPSC using probes for 20p11 (green) and 20q11.21 (red). 94% of cells examined displayed two sets of two probe signals, indicating no aneusomy of chromosome 20 (n = 200). iPSC = induced pluripotent stem cell.

Table 2. Single Nucleotide Polymorphism Microarray Analysis Characterizes SCTi003-A Copy Number Variants

Table displaying single nucleotide polymorphism microarray analysis of the hiPSC control line SCTi003-A.

DNA was extracted from a vial of SCTi003-A from the Master Cell Bank and subject to SNP microarray analysis to identify large-scale copy number variants (CNVs). The cells display two reportable CNVs, defined as those greater than 400kb in size, on chromosome 7 and 14 (rows highlighted in bold font). These losses are located in the TCR regions of the genome and are indicative of VDJ recombination process during T Cell development. Array design, genomics position, genes, and chromosome banding are based on genome build GRCh37/hg19. chr = chromosome; start cyto = cytogenetic band at the start of the base pair imbalance; end cyto = cytogenetic band at the end of the base pair imbalance; bp = base pairs; SNP = single nucleotide polymorphism; TCR = T Cell Receptor; VDJ = variable, diversity, joining segment.

Bar graph and flow cytometry plot quantification of OCT3/4 and TRA-1-60 gene expression

Figure 3. SCTi003-A iPSCs Express Undifferentiated Cell Markers

Cell line SCTi003-A was characterized using flow cytometry for undifferentiated cell markers OCT3/4 and TRA-1-60. (A) Percentage marker expression was quantified 5 passages after thawing from the Master Cell Bank from analyses of three technical replicates. Representative flow cytometry plots are displayed for (B) TRA-1-60 and (C) OCT3/4. iPSC = induced pluripotent stem cell.

Bar graph quantifying gene expression of 6 trilineage markers by flow cytometry

Figure 4. SCTi003-A Human Pluripotent Stem Cells Demonstrate a High Trilineage Differentiation Capacity

Cells from SCTi003-A were split into 3 groups, differentiated using STEMdiff™ Trilineage Differentiation Kit (#05230), and then subjected to flow cytometry analysis. Two markers for each embryonic germ layer were assessed, and bars present mean marker expression for each group of cells (n = 2 biological replicates). PAX6 and Nestin confirm differentiation to the ectoderm lineage, NCAM and Brachyury (T) to the mesoderm lineage, and CXCR4 and SOX17 to the endoderm lineage.

Confirmation of hematopoietic progenitor cell markers and morphology, and CFU assay results for hematopoietic differentiation of SCTi003-A

Figure 5. SCTi003-A iPSCs Can Form Hematopoietic Progenitor Cells and Have Colony-Forming Potential

STEMdiff™ Hematopoietic Kit (#05310) was used to generate HPCs from the SCTi003-A cell line. (A) Percentages and yields of CD34+CD45+ HPCs per cm2 after differentiation (n = 2 biological replicates). (B) Brightfield image of SCTi003-A-derived HPCs indicates that these cells transitioned through a typical endothelial-to-hematopoietic transition (EHT). The resulting HPCs were then subject to a CFU assay (n = 2) with MethoCult™ SF H4636. (C) After 14 days of incubation, colonies were imaged with STEMvision™ and (D) enumerated from digital images. Both myeloid (black) and erythroid (red) colonies can be formed from this line. iPSCs = induced pluripotent stem cells; HPCs = hematopoietic progenitor cells; CFU = colony-forming unit.

Confirmation of microglia cell markers and brightfield morphology

Figure 6. SCTi003-A Human Pluripotent Stem Cells Can Effectively Differentiate into Microglia

Hematopoietic progenitor cells generated from cell line SCTi003-A using the STEMdiff™ Hematopoietic Kit (#05310) were further differentiated using STEMdiff™ Microglia Differentiation and Maturation Kits (#100-0019, #100-0020). (A) The resulting cells are small with visible processes, are non-adherent on Matrigel®, and exhibit small cytoplasmic-to-nuclear ratios characteristic of microglia. (B) Co-expression of CD45 and CD11b was observed by flow cytometry. (C) The resulting cells are also adherent on poly-D-lysine, and contain < 20% monocyte-like cells (large, with lightly stained cytoplasm; arrow) as assessed by May-Grunwald Giemsa stain at Day 27.

Immunofluorescent images of 2 neural progenitor markers, a mature neuron marker, and a nuclear stain along with their quantification

Figure 7. SCTi003-A Human Pluripotent Stem Cells Can Efficiently Differentiate into Neural Progenitor Cells

NPCs were generated from SCTi003-A iPSCs using STEMdiff™ SMADi Neural Induction Kit (#08581) following the monolayer protocol in the Product Information Sheet, and subsequently cryopreserved. The resulting NPCs were thawed, established in culture, and fixed for immunocytochemistry. The NPCs express neural progenitor markers (A) SOX1 and (B) PAX6 with low expression of (C) class III β-tubulin (TUJ1). (D) In addition, they display the expected small, teardrop-shaped morphology. (E) Marker expression was quantified and found to be greater than 90% for neural progenitor markers and less than 10% for mature neuronal markers. Error bars represent standard deviation (n = 2 biological replicates). NPCs = neural progenitor cells; iPSCs = induced pluripotent stem cells.

Coordinated contraction or beating behavior of cardiomyocytes in a culture dish, and quantification of the beat frequency and duration

Figure 8. SCTi003-A Human Pluripotent Stem Cells Can Successfully Differentiate into Ventricular Cardiomyocytes

Ventricular cardiomyocytes were generated from SCTi003-A iPSCs using STEMdiff™ Ventricular Cardiomyocyte Differentiation Kit (#05010). (A) Monolayer cultures at Day 15 of differentiation show iPSC-derived ventricular cardiomyocytes that exhibit beating behavior. (B) Beating ventricular cardiomyocytes can be replated and maintained in a well of an MEA plate for functional analysis. (C) Of the resulting cells, 89% express cardiomyocyte marker cTnT, as detected by flow cytometry. (D) The iPSC-derived ventricular cardiomyocytes at Day 22 of differentiation beat at ~25 BPM (n = 3 replicates, mean +/-SD plotted) and (E) have a field potential duration of ~500 ms (n = 3 replicates, mean +/-SD plotted), as assessed by MEA. iPSCs = induced pluripotent stem cells; MEA = microelectrode array.

Immunofluorescent images of 2 neuronal markers, an astrocyte marker, and a nuclear stain in a dorsal forebrain organoid at low and high magnification

Figure 9. SCTi003-A Human Pluripotent Stem Cells Can Successfully Differentiate into Neural Organoids

iPSCs from SCTi003-A were differentiated to neural organoids using STEMdiff™ Dorsal Forebrain Organoid Differentiation Kit (#08620). Dorsal forebrain organoids were maintained until Day 105 with STEMdiff™ Neural Organoid Maintenance Kit (#100-0120) before fixing, cryosectioning, and immunofluorescent staining. The resulting organoids were stained for (A) DAPI (blue), (B) MAP2 (magenta), (C) NEUN (yellow), and (D) GFAP (cyan). (E) 4-channel merged image. Panels show cellular-level detail at 63x magnification. Insets show the full cryosection at 10x magnification. iPSCs = induced pluripotent stem cells.

13-day time course brightfield images of iPSCs differentiating into intestinal organoids, changing morphology, and detaching from the culture plate

Figure 10. Human Pluripotent Stem Cells from Line SCTi003-A Can Successfully Differentiate into Intestinal Organoids

(A) SCTi003-A iPSCs were plated down for use with STEMdiff™ Intestinal Organoid Kit (#05140). (B) By Day 3 of the protocol outlined in the Product Information Sheet, the monolayers show more uniformity and display characteristics of patterning to definitive endoderm. (C) After switching to mid-/hindgut medium, 3D structures become visible atop the monolayer culture, and (D) spheroids detach from the mid-/hindgut culture at Day 7 of differentiation. (E) Collections of spheroids can be embedded in Matrigel® domes for subsequent maturation into human intestinal organoids, which (F) expand significantly after just 6 days in matrix. The maturing organoids can be passaged and expanded using STEMdiff™ Intestinal Organoid Growth Medium (#05145). iPSCs = induced pluripotent stem cells.

Table 3. Comprehensive Risk Variant Profile for the SCTi003-A iPSC Line

Table providing risk variants identified for the hiPSC control line, SCTi003-A.

The table presents risk variants identified for the SCTi003-A iPSC line. DNA was purified from the master cell bank, and whole-genome sequencing was performed to capture the entire genomic landscape. Sequencing was conducted on the NovaSeq 6000 System, achieving a 50x coverage. Coverage of coding regions and adjacent splice junction sites was enhanced for 20,000 genes using the SureSelect Human All Exon V6 Kit (Agilent Technologies). Variants were called and analyzed following GATK4 best practices, incorporating a Convolutional Neural Network to score each variant. High-confidence variants were annotated with predicted functional consequences and ClinVar IDs. ClinVar entries required two or more supporting ALT reads and an assertion criteria of one gold star or more in ClinVar to be considered. This comprehensive profile assists in understanding the genetic landscape and potential health impacts associated with the SCTi003-A iPSC line.

Note that the classification of variants as pathogenic or likely pathogenic is provided by ClinVar and STEMCELL has not verified its accuracy. Further, this reflects knowledge at the time the report was generated, and the classification of variants as pathogenic or likely pathogenic may change over time.

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种属	Human
Contains	CryoStor® CS10
纯度	≥ 80% TRA-1-60+ and OCT4+ by flow cytometry
细胞与组织来源	Peripheral Blood, Pluripotent Stem Cells
Donor Status	Normal

健康对照人 iPSC 系，女性，SCTi003-A

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健康对照人 iPSC 系，女性，SCTi003-A

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