STEMdiff™ Endothelial Differentiation Kit
Efficient differentiation of human pluripotent stem cells to endothelial cells
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Products for Your Protocol
To see all required products for your protocol, please consult the
Protocols and Documentation.
- STEMdiff™ Mesoderm Induction Medium
Defined, xeno-free induction medium for early mesodermal differentiation
- Heparin Solution
Cell culture supplement
- Y-27632 (Dihydrochloride)
RHO/ROCK pathway inhibitor; Inhibits ROCK1 and ROCK2
- ձ™1
cGMP, feeder-free maintenance medium for human ES and iPS cells
Overview
Data Figures
Protocols and Documentation
Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.
Applications
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 (8)
Publications (5)
Distinct Inflammatory Responses of hiPSC-Derived Endothelial Cells and Cardiomyocytes to Cytokines Involved in Immune Checkpoint Inhibitor-Associated Myocarditis
Cells 2025 Sep
Abstract
Inflammatory cytokines, particularly interferon-γ (IFN-γ), are markedly elevated in the peripheral blood of patients with immune checkpoint inhibitor-induced myocarditis (ICI-M). Endomyocardial biopsies from these patients also show GBP-associated inflammasome overexpression. While both factors are implicated in ICI-M pathophysiology, their interplay and cellular targets remain poorly characterized. Our aim was to elucidate how ICI-M-associated cytokines affect the viability and inflammatory responses of endothelial cells (ECs) and cardiomyocytes (CMs) using human induced pluripotent stem cell (hiPSC)-derived models. ECs and CMs were differentiated from the same hiPSC line derived from a healthy donor. Cells were exposed either to IFN-γ alone or to an inflammatory cytokine cocktail (CCL5, GZMB, IL-1β, IL-2, IL-6, IFN-γ, TNF-α). We assessed large-scale transcriptomic changes via microarray and evaluated inflammatory, apoptotic, and cell death pathways at cellular and molecular levels. hiPSC-ECs were highly sensitive to cytokine exposure, displaying significant mortality and marked transcriptomic changes in immunity- and inflammation-related pathways. In contrast, hiPSC-CM showed limited transcriptional changes and reduced susceptibility to cytokine-induced death. In both cell types, cytokine treatment upregulated key components of the inflammasome pathway, including regulators (GBP5, GBP6, P2X7, NLRC5), a core component (AIM2), and the effector GSDMD. Increased GBP5 expression and CASP-1 cleavage mirrored the findings found elsewhere in endomyocardial biopsies from ICI-M patients. This hiPSC-based model reveals a distinct cellular sensitivity to ICI-M-related inflammation, with endothelial cells showing heightened vulnerability. These results reposition endothelial dysfunction, rather than cardiomyocyte injury alone, as a central mechanism in ICI-induced myocarditis. Modulating endothelial inflammasome activation, particularly via AIM2 inhibition, could offer a novel strategy to mitigate cardiac toxicity while preserving antitumor efficacy.
A4GALT-targeting siRNA lipid nanoparticles ameliorate Fabry disease phenotype: Greater efficacy in endothelial cells than in podocytes
Molecular Therapy. Nucleic Acids 2025 May
Abstract
In this study, we explore the therapeutic feasibility of globotriaosylceramide (Gb3) synthase (A4GALT)-specific siRNA-loaded polyhistidine (pHis)-incorporated lipid nanoparticles (HLNPs) for Fabry disease (FD). HLNPs were developed to deliver siRNAs targeting A4GALT using a microfluidic device, with pHis aiding in endosome escape. The therapy was tested on GLA-knockout human-induced pluripotent-stem-cell-derived endothelial cells (GLA-KO-hiPSC-ECs) and podocytes (GLA-KO-hiPSC-PCs). GLA-KO-hiPSCs-ECs or -PCs, upon differentiation, were treated with A4GALT-siRNA-HLNP. Successful intracellular uptake of A4GALT-siRNA-HLNP was confirmed through fluorescence and electron microscopy in both cell types. A4GALT-siRNA-HLNP treatment confirmed both cell types’ stability at 5 ?g/mL. Increased Gb3 deposition and zebra body formation were detected in both cell types, but A4GALT-siRNA-HLNP treatment attenuated these FD phenotypes, demonstrating reduced expression of A4GALT through western blot analysis. RNA sequencing analysis revealed that the expression of transcripts associated with FD was restored by A4GALT-siRNA-HLNP treatment in GLA-KO-hiPSCs-ECs, whereas in GLA-KO-hiPSCs-PCs, this effect was relatively less pronounced. Suppression of A4GALT via siRNA/HLNP treatment significantly rescued FD phenotypes especially in EC, presenting a novel therapeutic approach for FD. Graphical abstract This study highlights the therapeutic potential of A4GALT-siRNA delivered via HLNPs for Fabry disease (FD). In GLA-KO-hiPSC-derived endothelial cells and podocytes, treatment reduced Gb3 accumulation, restored transcriptomic changes, and mitigated FD phenotypes, with stronger effects in endothelial cells, supporting its promise as a novel FD therapy.
Endothelial TREM-1 mediates sepsis-induced blood?brain barrier disruption and cognitive impairment via the PI3K/Akt pathway
Journal of Neuroinflammation 2025 May
Abstract
The blood?brain barrier (BBB) is a critical selective interface between the central nervous system (CNS) and the blood circulation. BBB dysfunction plays an important role in the neurological damage caused by sepsis. However, the mechanisms underlying the disruption of the BBB during sepsis remain unclear. We established a human induced pluripotent stem cell (iPSC)-derived BBB model and reported that treating with sepsis patient serum leads to structural and functional disruption of the BBB. In a cecal ligation and puncture (CLP)-induced mouse model of sepsis, we also observed disruption of the BBB, inflammation in the brain, and impairments in cognition. In both models, we found that the expression of TREM-1 was significantly increased in endothelial cells. TREM-1 knockout specifically in endothelial cells alleviated BBB dysfunction and cognitive impairments. Further study revealed that TREM-1 affects the expression of genes involved in the PI3K/Akt signaling pathway. The protective effects of TREM-1 inhibition on the BBB and cognition were abrogated by PI3K inhibitors. Our findings suggest that endothelial TREM-1 induces sepsis-induced BBB disruption and cognitive impairments via the PI3K/Akt signaling pathway. Targeting endothelial TREM-1 or the PI3K/Akt signaling pathway may be a promising strategy to maintain BBB integrity and improve cognitive function in sepsis patients.Supplementary InformationThe online version contains supplementary material available at 10.1186/s12974-025-03469-5.
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PRODUCTS ARE FOR RESEARCH USE ONLY AND NOT INTENDED FOR HUMAN OR ANIMAL DIAGNOSTIC OR THERAPEUTIC USES UNLESS OTHERWISE STATED. FOR ADDITIONAL INFORMATION ON QUALITY AT ƽ, REFER TO WWW.ƽ.COM/COMPLIANCE.
PRODUCTS ARE FOR RESEARCH USE ONLY AND NOT INTENDED FOR HUMAN OR ANIMAL DIAGNOSTIC OR THERAPEUTIC USES UNLESS OTHERWISE STATED. FOR ADDITIONAL INFORMATION ON QUALITY AT ƽ, REFER TO WWW.ƽ.COM/COMPLIANCE.
