STEMdiff™ SMADi Neural Induction Kit
Serum-free medium kit for highly efficient SMAD inhibition-mediated neural induction of human ES and iPS cells
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Overview
More Information
| Safety Statement | CA WARNING: This product can expose you to chemicals including Nickel Compounds which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to |
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Protocols and Documentation
Find supporting information and directions for use in the Product Information Sheet or explore additional protocols below.
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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 (29)
Publications (32)
Functional characterization of the MED12 p.Arg1138Trp variant in females: implications for neural development and disease mechanism
Molecular Medicine 2025 Sep
Abstract
Seven female individuals with multiple congenital anomalies, developmental delay and/or intellectual disability have been found to have a genetic variant of uncertain significance in the mediator complex subunit 12 gene ( MED12 c.3412C>T, p.Arg1138Trp). The functional consequence of this genetic variant in disease is undetermined, and insight into disease mechanism is required. We identified a de novo MED12 p.Arg1138Trp variant in a female patient and compared disease phenotypes with six female individuals identified in the literature. To investigate affected biological pathways, we derived two induced pluripotent stem cell (iPSC) lines from the patient: one expressing wildtype MED12 and the other expressing the MED12 p.Arg1138Trp variant. We performed neural disease modelling, transcriptomics and protein analysis, comparing healthy and variant cells. When comparing the two cell lines, we identified altered gene expression in neural cells expressing the variant, including genes regulating RNA polymerase II activity, transcription, pre-mRNA processing, and neural development. We also noted a decrease in MED12L expression. Pathway analysis indicated temporal delays in axon development, forebrain differentiation, and neural cell specification with significant upregulation of pre-ribosome complex gene pathways. In a human neural model, expression of MED12 p.Arg1138Trp altered neural cell development and dysregulated the pre-ribosome complex providing functional evidence of disease aetiology and mechanism in MED12-related disorders. The online version contains supplementary material available at 10.1186/s10020-025-01365-5.
Lithium partially rescues gene expression and enhancer activity from heterozygous knockout of AKAP11 while inducing novel differential changes
Scientific Reports 2025 Oct
Abstract
Bipolar disorder (BD) is a complex psychiatric condition usually requiring long-term treatment. Lithium (Li) remains the most effective mood stabilizer for BD, yet it benefits only a subset of patients, and its precise mechanism of action remains elusive. Exome sequencing has identified AKAP11 (A-kinase anchoring protein 11) as a shared risk gene for BD and schizophrenia (SCZ). Given that both the AKAP11-Protein Kinase A (PKA) complex and Li target and inhibit Glycogen Synthase Kinase-3 beta (GSK3β), we hypothesize that Li may partially normalize the transcriptomic and/or epigenomic alterations observed in heterozygous AKAP11-knockout (Het-AKAP11-KO) iPSC-derived neurons. In this study, we employed genome-wide approaches to assess the effects of Li on the transcriptome and epigenome of human iPSC-derived Het-AKAP11-KO neuronal culture. We show that chronic Li treatment in this cellular model upregulates key pathways that were initially downregulated by Het-AKAP11-KO, several of which have also been reported as downregulated in synapses of BD and SCZ post-mortem brain tissues. Moreover, we demonstrated that Li treatment partially rescues certain transcriptomic alterations resulting from Het-AKAP11-KO, bringing them closer to the WT state. We suggest two possible mechanisms underlying these transcriptomic effects: (1) Li modulates histone H3K27ac levels at intergenic and intronic enhancers, influencing enhancer activity and transcription factor binding, and (2) Li enhances GSK3β serine 9 phosphorylation, impacting WNT/β-catenin signaling and downstream transcription. These findings underscore Li’s potential as a therapeutic agent for BD and SCZ patients carrying AKAP11 loss-of-function variants or exhibiting similar pathway alterations to those observed in Het-AKAP11-KO models.
High-throughput transcriptomic screening reveals entrectinib as a repositioning opportunity in 19q12 autism spectrum disorder
Scientific Reports 2025 Nov
Abstract
Discovering new and viable therapies for genetic diseases is a time-consuming and cost-intensive process, especially for rare disorders. In this study, we highlight how a high-throughput drug discovery platform was utilized to uncover drugs at scale that normalized the signature for a rare neurological neurodevelopmental disease, 19q12 autism spectrum disorder (ASD) associated with deficiencies in ZNF536 and TSHZ3. We first identified the transcriptomic fingerprint of the disease in an in vitro disease model in the form of dysregulated pathways. Subsequently, we measured the biological impact of small molecule drugs in a relevant wild-type cell line and uncovered an approved drug Entrectinib that induced the opposite effect to that in the disease fingerprint, demonstrating the capability to normalize the disease fingerprint. Entrectinib was further prescribed off-label to the identified patient with 19q12 and drug effect was characterized both from blood collection and neuropsychological assessments. Biomarkers from blood recapitulated Entrectinib’s pharmacodynamic effect and normalized the disease signature. We show how generation of transferrable transcriptomics-derived disease signatures allows for measuring drug effects on a signature in related wild-type cell lines, making the screen universally applicable and reducing the need for expensive screens in disease models.
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Need a high-quality cell source? Choose from our hiPSC healthy control lines, manufactured with mTeSR™ Plus.
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.
Safety Statement:
CA WARNING: This product can expose you to chemicals including Nickel Compounds which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
