STEMdiff™ Mesoderm Induction Medium
Defined, xeno-free induction medium for early mesodermal differentiation
Need a high-quality cell source? Choose from our hiPSC healthy control lines, manufactured with mTeSR™ Plus.
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Products for Your Protocol
To see all required products for your protocol, please consult the
Protocols and Documentation.
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Feeder-free, animal component-free culture medium for maintenance of hESCs and hiPSCs
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cGMP, enzyme-free cell dissociation reagent
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RHO/ROCK pathway inhibitor; Inhibits ROCK1 and ROCK2
- ձ™1
cGMP, feeder-free maintenance medium for human ES and iPS cells
Overview
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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 (6)
Publications (6)
Impact of APOE on cerebrovascular lipid profile in Alzheimer’s disease
Acta Neuropathologica 2025 Oct
Abstract
Disturbances within the cerebrovascular system substantially contribute to the pathogenesis of age-related cognitive impairment and Alzheimer’s disease (AD). Cerebral amyloid angiopathy (CAA) is characterized by the deposition of amyloid-β (Aβ) in the leptomeningeal and cortical arteries and is highly prevalent in AD, affecting over 90% of cases. While the ε4 allele of apolipoprotein E ( APOE ) represents the strongest genetic risk factor for AD, it is also associated with cerebrovascular dysregulations. APOE plays a crucial role in brain lipid transport, particularly in the trafficking of cholesterol and phospholipids. Lipid metabolism is increasingly recognized as a critical factor in AD pathogenesis. However, the precise mechanism by which APOE influences cerebrovascular lipid signatures in AD brains remains unclear. In this study, we conducted non-targeted lipidomics on cerebral vessels isolated from the middle temporal cortex of 89 postmortem human AD brains, representing varying degrees of CAA and different APOE genotypes: APOE ε2/ε3 (N = 9), APOE ε2/ε4 (N = 14), APOE ε3/ε3 (N = 21), APOE ε3/ε4 (N = 23), and APOE ε4/ε4 (N = 22). Lipidomics detected 10 major lipid classes with phosphatidylcholine (PC) and phosphatidylethanolamine (PE) being the most abundant lipid species. While we observed a positive association between age and total acyl-carnitine (CAR) levels (p = 0.0008), the levels of specific CAR subclasses were influenced by the APOE ε4 allele. Notably, APOE ε4 was associated with increased PE (p = 0.049) and decreased sphingomyelin (SM) levels (p = 0.028) in the cerebrovasculature. Furthermore, cerebrovascular Aβ40 and Aβ42 levels showed associations with sphingolipid levels including SM (p = 0.0079) and ceramide (CER) (p = 0.024). Weighted correlation network analysis revealed correlations between total tau and phosphorylated tau and lipid clusters enriched for PE plasmalogen and lysoglycerophospholipids. Taken together, our results suggest that cerebrovascular lipidomic profiles offer novel insights into the pathogenic mechanisms of AD, with specific lipid alterations potentially serving as biomarkers or therapeutic targets for AD. The online version contains supplementary material available at 10.1007/s00401-025-02949-5.
Cell type- and factor-specific nonsense-mediated RNA decay
Nucleic Acids Research 2025 May
Abstract
Nonsense-mediated RNA decay (NMD) is a highly conserved RNA turnover pathway that influences several biological processes. Specific features in messenger RNAs (mRNAs) have been found to trigger decay by NMD, leading to the assumption that NMD sensitivity is an intrinsic quality of a given transcript. Here, we provide evidence that, instead, an overriding factor dictating NMD sensitivity is the cell environment. Using several genome-wide techniques to detect NMD-target mRNAs, we find that hundreds of mRNAs are sensitized to NMD as human embryonic stem cells progress to form neural progenitor cells. Another class of mRNAs escape from NMD during this developmental progression. We show that the differential sensitivity to NMD extends to in vivo scenarios, and that the RNA-binding protein, HNRNPL, has a role in cell type-specific NMD. We also addressed another issue in the field—whether NMD factors are core or branch-specific in their action. Surprisingly, we found that UPF3B, an NMD factor critical for the nervous system, shares only 30% of NMD-target transcripts with the core NMD factor UPF2. Together, our findings have implications for how NMD is defined and measured, how NMD acts in different biological contexts, and how different NMD branches influence human diseases.
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.
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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.
