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Advancing Alzheimer’s Disease Research with iPSC-Based Panels

Advantages of Our Alzheimer’s Disease Panel

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Comprehensive Data

RNA and whole-exome sequencing, including APOE status, and essential endpoint analyses.

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Ready-to-Use

Pre-validated for immediate research use. No additional assay validation needed.

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Biomarker Identification

Multi-omics data for precise patient stratification and targeted biomarker discovery.

Alzheimer’s Disease Panel Overview

Our Alzheimer’s Disease (AD) panel leverages precisely defined molecular data to facilitate the identification of biomarkers for patient stratification.

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Quantify with Precision

Gain accurate and reliable quantitative data with our endpoint ELISA assays. Our AD Panel offers robust and reproducible ELISA data, enabling researchers to measure protein levels and detect changes in established biomarkers critical for AD research.

pTau excitatory neurons ELISA
pTau, and Tau levels normalized per 1000 neurons assayed on week 6 post-differentiation in 10 AD patient-derived hiPSC excitatory neurons. Tau and pTau were measured in lysates by ELISA. Cell numbers were quantified with Hoechst by ICC. ApoE genotype is indicated for each hiPSC line: blue dots are for ApoE4/4, black dots are for ApoE3/4 and ochre dots are No ApoE4 (2/2 or 3/3).

pTau in Excitatory Neurons

Our Alzheimer’s Disease Panel provides valuable insights into patient-specific drug responses. Our healthy donor-derived excitatory neurons consistently respond to a GSK3β inhibitor, showing uniform sensitivity (see figure below). In contrast, AD patient-derived excitatory neurons exhibit high variability in drug response, mirroring the diversity seen in patients. This emphasizes the translational potential of our AD models, as they closely replicate the genetic and phenotypic diversity of the patient population. Such models are essential for identifying genetic determinants of drug resistance and improving patient stratification.

ad panel ELISA data

Excitatory neurons were differentiated from four healthy control subjects using our excitatory neuron Sendai virus kit. ELISA data indicates the levels of pTau (p-tau231; U/mL) protein in lysates, normalized to protein concentrations, at week 4 in culture. These neurons were treated with DMSO and various concentrations of GSK3βi (SAR502250), for 72 hours prior to sample collection.

Cohen’s D Analysis 

Cohen’s D quantifies how effectively a drug differentiates patient populations based on gene variants. A high Cohen’s d indicates gene variants that play a critical role in differentiating patient subgroups, enabling informed decisions on drug efficacy and patient stratification. 

Thresholds for interpretation:

  • Small effect (𝑑=0.2: Minimal difference, limited relevance for stratification.
  • Medium effect (𝑑=0.5): Moderate differentiation, potentially meaningful.
  • Large effect (𝑑=0.8+): Strong differentiation, high importance for stratification.
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Analysis of 183 variants across 29 Alzheimer’s disease (AD)-related genes. Variants were evaluated for their potential impact on drug efficacy and biomarker expression using Cohen’s d analysis. Variants with larger Cohen’s d values indicate stronger contributions to patient stratification and drug sensitivity differentiation.

Alzheimer’s Disease Panel Deliverables

ParameterDeliverable
Compounds Tested2 compounds
iPSC Lines11 AD patient-derived lines,
4 healthy donor lines
ReadoutsAmyloid-β42 levels,
Phosphorylated Tau (pTau) levels,
Total Tau levels
Statistical AnalysisCohen's d analysis is performed to evaluate biomarker data and determine the effect sizes
Project Timeline~8 weeks

The Ricoh Biosciences Difference

Generate specialized human cells in just 1-2 weeks with our flexible iPSC/ESC differentiation solutions. Our simple workflows let any lab create diverse cell types, and our technology produces functional models that scale easily for high-content screening.

Fast

Use our kits or use our service to generate differentiated cell and tissue types from human iPSCs and ESCs in just 1-2 weeks.

Flexible

Our workflows mean any lab can easily differentiate any iPS or ES cell line, expanding the options for cell type, disease state, and genetic background.

Functional

Ricoh Biosciences’ iPSC differentiation technology produces functional and more physiologically relevant cell-based models that better represent human biology.

Scalable

Produce virtually limitless amounts of identical human cells with our quick and easy differentiation technology—ideal for high content screening applications.

Contact Us

Have a question about our products, services, or custom projects? Our team is here to help—reach out and we’ll get back to you as soon as possible.

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