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Classify every gene variant. Match every patient to the right drug.

Most gene variants in cancer and rare disease are Variants of Uncertain Significance (VUS), leaving targeted therapies out of reach for patients who could benefit. And even well-established disease-causing variants need deeper functional understanding to drive the patient stratification, biomarker integration, and label expansion that modern precision medicine demands.

Using geneSlice, our proprietary gene editing platform, we build high-throughput functional assays that resolve gene variants into actionable classifications — so drug developers can guide patient selection, design better-tailored trials, expand label eligibility, and accelerate precision medicine programmes.

The VUS gap

For most clinically actionable genes, only a fraction of patient variants are classified.

The majority — particularly missense variants — remain functionally uncharacterised, leaving trial design and treatment decisions without the variant-level data they need.

Our approach

We engineer cell models for each variant of interest and run them through high-throughput functional assays. The output: variant-level drug sensitivity data at scale, ready to inform trial design, patient stratification, and label-expansion programmes.

VUS resolution workflow
01
Patient variant identified
e.g. BRCA2 c.5946delT
02
Classified as VUS
Uncertain functional impact
03
geneSlice functional assay
Engineered cell model + drug screen
04
Actionable classification
Loss-of-function · drug-sensitive
How a project runs

Two pathways, one platform

Every project begins with a consultation. From there, projects run on one of two pathways — a productised variant-library workflow, or a bespoke design when the standard shape isn't the right fit.

Path 1

Variant library workflow

01

Consultation

Scope the gene, variant library, and readout.

2–4 weeks
02

Cell line development

geneSlice-powered cell line build.

~6 months
03

Variant library & screening

Library construction, delivery, and functional assays.

~6 months
04

Data delivery

Functional scores, resistance maps, annotated databases.

deliverable
Path 2

Bespoke workflow

01

Consultation

Scientific question and assay architecture.

2–4 weeks
02

Bespoke assay design

Custom cell-line build and tailored readouts.

scoped
03

Execution

Functional assays, arrayed screens, and bioinformatics.

scoped
04

Data delivery

As agreed.

deliverable

Total timeline: typically 6–12 months for variant library projects; bespoke projects scoped per project. See Technology for the full process.

Partners

Active programmes with leading pharmaceutical companies, biotech innovators, and academic partners.

Development partner: TIDE Genetics.

Talk to our team.

Whether you're scoping a new programme, exploring a partnership, or evaluating geneSlice for an upcoming trial, we'd like to hear from you.

Book a meetingContact us