mTeSR™ Plus
cGMP, stabilized feeder-free maintenance medium for human ES and iPS cells
Need a high-quality cell source? Choose from our hiPSC healthy control lines, manufactured with mTeSR™ Plus.
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What Our Scientist Says
Innovation is a core value at ƽ. The evolution to mTeSR™ Plus reflects that and our desire to serve the next generation of pluripotent stem cell researchers.
Matthew WongScientist
Overview
Data Figures
Protocols and Documentation
Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.
The Certificate of Analysis for this product has been updated for newly released materials. To access respective CoAs please use this tool.
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 (56)
Publications (271)
Exceptional Longevity Modifying Allele APOE2 Promotes DNA Signaling Pathways Resisting Cellular Senescence in Human Neurons
Aging Cell 2026 May
Abstract
Genome‐wide association studies (GWAS) have identified APOE2 allele as linked to exceptional longevity, with carriers exhibiting a reduced risk of Alzheimer's disease (AD). Apolipoprotein E (APOE), a glycoprotein involved in lipid transport, has three major alleles. However, alterations in lipid metabolism alone do not fully explain APOE2's protective effects. In contrast, APOE4 is the strongest genetic risk factor for AD. To investigate how APOE2 promotes neuronal longevity and confers neuroprotection, we generated human isogenic APOE iPSC‐derived models of both inhibitory GABAergic and excitatory neurons. In GABAergic neurons, APOE alleles differentially influenced endogenous DNA damage, DNA repair, and neuronal motility. Single‐cell RNA sequencing revealed APOE4‐specific gene expression signatures associated with AD, whereas APOE2 GABAergic neurons were enriched for DNA repair and signaling pathways. Consistent with this, APOE2 neurons exhibited significantly lower levels of DNA damage. APOE4 GABAergic neurons exhibit increased expression of repetitive ribosomal RNA, which is associated with DNA damage and cellular senescence. To determine whether the effects extended to excitatory neurons, we used a separate human model of Ngn2‐induced glutamatergic neurons, and found that APOE2 excitatory neurons were more resistant to cellular senescence and DNA damage than isogenic APOE3 and APOE4 neurons. Similarly, we found human APOE2‐targeted replacement mice exhibited less nucleolar enlargement and increased nuclear Lamin A/C, Hmgb1, and H3K9me3 compared to APOE4 counterparts. Together, our findings identify DNA repair and suppression of senescence‐associated processes as key mechanisms by which APOE2 is associated with neuronal resilience, providing mechanistic insight into its association with exceptional longevity and protection against AD. Neurons expressing APOE2 were more resistant to endogenous DNA damage, activated transcriptional signaling pathways associated with DNA repair, and were resilient to stress‐induced DNA damage and cellular senescence. In contrast, APOE4 neurons exhibited elevated expression of rRNA repetitive elements and were prone to becoming senescent.
Human iPSC-Derived Blood Vessel Organoids for Studying Chronic Hypoxia-Induced Microvascular Dysfunction
Journal of Histochemistry and Cytochemistry 2026 May
Abstract
Microvascular dysfunction due to hypoxia is a key contributor in the pathogenesis of many disorders including cancer and retinal and cardiovascular diseases, but relevant human models are missing. Here, we present a robust 3D in vitro method with the use of human induced pluripotent stem cell–derived blood vessel organoids to analyze in vitro microvascular remodeling. We present a detailed practical pipeline combining optical tissue clearing, high-resolution immunofluorescence, and surface marker analysis to quantitatively assess hypoxia-driven changes in endothelial cells, pericytes, and the basal lamina. Exposure of these blood vessel organoids to chronic hypoxia (1% O2) for 1 week recapitulated key pathological features, including structural remodeling and a dysregulated secretome with altered vascular endothelial growth factor signaling. This approach establishes a versatile and human-relevant platform to study microvascular remodeling induced by chronic hypoxia and other pathological stimuli and their contribution to microvascular-related diseases.
Generation of Functional Patient-Specific Thymus Organoids From Human Pluripotent Stem Cells (hPSCs) Using Air–Liquid Interface Culture
Bio-protocol 2026 May
Abstract
The thymus is critical for the establishment of a functional and self-tolerant adaptive immune system, but it involutes with age, resulting in reduced naive T-cell output. Generation of a functional human thymus from human pluripotent stem cells (hPSCs) is an attractive regenerative medicine strategy. Direct differentiation of thymic epithelial progenitors (TEPs) from hPSCs has been demonstrated in vitro, but functional thymic epithelial cells (TECs) develop only after transplantation of TEPs in vivo. Functional human reaggregated thymic organoid cultures (RTOCs) and artificial thymic organoids (ATOs) cultured at the air–liquid interface support T-cell development in vitro and in vivo and permit the interrogation of human thymic function and T-cell development. However, these approaches require access to primary human tissues or murine bone marrow stromal cells, are allogeneic, and do not support negative selection. Recently, we reported the directed differentiation of induced PSCs (iPSCs) to functional thymic epithelial progenitors (TEPs) that support murine T-cell development after transplantation in nude mice. Here, we combined hPSC-derived TEPs, hematopoietic progenitor cells (HPCs), and mesenchymal cells, differentiated from the same hPSC line, and generated functional isogenic stem cell–derived thymic organoids (sTOs). Our revised protocol improves our TEP differentiation process and allows the generation of functional isogenic, patient-specific thymic organoids in vitro.
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Legal Statement:
This product was developed under license to intellectual property owned by WiCell™ Research Institute. This product is sold for research use only (whether the buyer is an academic or for-profit entity) under a non-transferable, limited-use license. Purchase of this product does not include the right to sell, use or otherwise transfer this product for commercial purposes (i.e., any activity undertaken for consideration, such as use of this product for manufacturing, or resale of this product or any materials made using this product, or use of this product or any materials made using this product to provide services) or clinical use (i.e., administration of this product or any material using this product to humans) or the right to implant any material made using this product into an animal by, or in collaboration with, a for-profit entity, for purposes other than basic pre-clinical research applications (including without limitation teratoma assays) to validate the function of the cells. Purchasers who do not agree to the terms and conditions set forth above should return the product in acceptable conditions to the seller for a refund.
This product was developed under license to intellectual property owned by WiCell™ Research Institute. This product is sold for research use only (whether the buyer is an academic or for-profit entity) under a non-transferable, limited-use license. Purchase of this product does not include the right to sell, use or otherwise transfer this product for commercial purposes (i.e., any activity undertaken for consideration, such as use of this product for manufacturing, or resale of this product or any materials made using this product, or use of this product or any materials made using this product to provide services) or clinical use (i.e., administration of this product or any material using this product to humans) or the right to implant any material made using this product into an animal by, or in collaboration with, a for-profit entity, for purposes other than basic pre-clinical research applications (including without limitation teratoma assays) to validate the function of the cells. Purchasers who do not agree to the terms and conditions set forth above should return the product in acceptable conditions to the seller for a refund.
Quality Statement:
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.
