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CAR-based Cell Therapies with Fully Human Platforms

The right binder, delivered to the right immune cell
Overview
Fully Human CARs
Functional Screening
In Vivo Delivery

Innovations and a Toolkit Built for Cell Therapies

Nona Biosciences overcomes key challenges in CAR-based therapeutic development through an integrated set of modular technologies. Leverage our fully human HCAb-based VH domains, functional CAR screening tools, and antibody-directed LNP delivery to streamline development across both ex vivo and in vivo applications. From binder discovery to construct optimization to targeted gene delivery, our platforms support the full range of CAR T, CAR NK, and CAR M development

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A Modular Platform for CAR-based Therapies
mRNA-LNP
mRNA-LNP
encoding
CAR
T Cell-Specific VH-Conjugated LNP
NonaCarFx™ Functional Screening

NonaCAR™:

Fully Human HCAb-derived CAR

NonaCAR™ provides fully human VH domains derived from heavy chain-only antibodies (HCAbs) using our Harbour Mice® platform. These compact, stable domains are ideal for CAR-based cell therapies, supporting high surface expression, reduced immunogenicity, and flexible formatting for diverse construct designs. In addition to traditional ex vivo applications, NonaCAR™ domains also support next-generation delivery strategies such as in vivo programming through mRNA-based approaches.

  • It will shorten the workflow for positive plasma cell screening from months to a single day.

  • The high throughput screening with 14K or 20K chips dramatically decreases labor costs for screening more than 10,000 cells.

  • Direct screening with individual plasma cells prevents the diversity loss/bias during hybridoma screening.

Benefits of NonaCAR™:
  • Heavy Chain-Only Antibodies:
    Compact, single-domain VH antibodies reduce immunogenicity risks and avoid linker-related challenges seen in scFvs.
  • Fully Human Antibodies:
    Generated without the need for humanization, significantly lowering anti-drug antibody risks in HCAb-derived CAR therapies.
  • Simplified Structure:
    Optimized for efficient CAR design and flexible therapeutic applications.

Antibody Discovery in a “Single Day” by Beacon® Technology

Berkeley Lights Beacon® Optofluidic System

Beacon® can support the separation and screening of 10,000+ cells in a single run with one 14K or 20K OptoSelect chip. Enriched plasma cells are individually loaded into NanoPen chambers on the chip. Our proprietary medium preserves the viability and facilitates antibody secretion of these plasma cells. Multiple in-chip assays can be sequentially performed to screen those plasma cells, and the cells with desired signals wll beare selected and exported one by one through OEP technology. The entire workflow is completed in just one day.

High Throughput Chip

Each 20K OptoSelect chip has 20,000 individual NanoPen chambers and can separate and screen up to 20,000 cells within a single run.

Versatile In-Chip Assays

With real-time fluorescent microscopy technology, different assays could be performed in-chip for plasma cell screening, including:

  • Antigen beads binding assay
  • Cell binding assay
  • Competition assay
  • Reporter cell assay

All these advantages make SBC platform to become highly efficient and robust antibody discovery platform.

Precisely Single Cell Exporting

Opto-electro positioning (OEP) technology precisely manipulates and unloads cells to 96-well plates preloaded with single-cell sequencing reagents.

NonaCarFx™:

Direct CAR-Function-Based Screening

The NonaCarFx™ platform streamlines CAR binder discovery with a proprietary system that integrates fully human VH domains, derived from HCAb libraries, directly into CAR-formatted lentiviral vectors. This functional screening process ensures that only the most active and developable CAR constructs are advanced. By enabling discovery and validation in a single workflow, NonaCarFx™ empowers researchers to identify the best therapeutic candidates faster, supporting both ex vivo and in vivo applications while maintaining rigorous standards. Learn how we apply this system for CAR-T characterization.
Overview of NonaCarFx™:
  • Direct Library Cloning:
    HCAb libraries are seamlessly cloned into CAR-lentiviral vectors.
  • Reporter Cell-Based Validation:
    Dual-readout tools identify functional CAR binders based on activation and GFP expression.

   

  • Comprehensive Output:
    Delivers candidates with high sequence diversity and stable CAR expression.
  • Multi-Round Screening:
    Sequential target-specific stimulation refines lead selection for precise functionality.
  • It will shorten the workflow for positive plasma cell screening from months to a single day.

  • The high throughput screening with 14K or 20K chips dramatically decreases labor costs for screening more than 10,000 cells.

  • Direct screening with individual plasma cells prevents the diversity loss/bias during hybridoma screening.

Reporter Cell-Based Lead VH Validation

To streamline CAR-based screening, Nona Biosciences has pioneered a cutting-edge dual-readout reporter cell line. This innovation enables efficient and dependable assessments of lead VH candidates, expediting your research endeavors.

In Vivo Cell Therapy, Enabled by Precision Targeting

Nona Biosciences supports in vivo CAR development through a modular platform that combines fully human antibody discovery, functional CAR screening, and targeted mRNA delivery. Using HCAb-derived VH domains identified through our Harbour Mice® platform, we screen CAR constructs for performance using NonaCarFx™ and apply site-specific conjugation to enable cell-directed lipid nanoparticle (LNP) delivery. This approach enables the direct programming of T cells in vivo, all without the need for ex vivo manipulation or preconditioning. Furthermore, our system has demonstrated efficient CAR expression and cytotoxic activity in primary T cell models, reinforcing its potential to streamline and scale next-generation cell therapy development.

CD8+ T Cell-Specific Delivery of CAR mRNA

Partnering with Umoja Biopharma on In Vivo CAR-T

Learn more about Umoja Biopharma

Nona Biosciences has teamed up with Umoja Biopharma to advance in vivo CAR-T therapies. By combining Nona’s HCAb Harbour Mice® and NonaCarFx™ platforms with Umoja’s VivoVec™ delivery system, the partnership aims to generate off-the-shelf CAR-T candidates with improved targeting and reduced immunogenicity.

Read the full press release

Ready to deliver the right CAR to the right cell?

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