Broken String Biosciences

Broken String Biosciences

Is this your company? Claim your profile to update info and connect with investors.
Claim profile

Private Company

Total funding raised: $45M

Overview

Broken String Biosciences is a private, platform technology company providing essential tools for the gene therapy development sector. Its core innovation, the INDUCE-seq® platform, directly detects DNA breaks caused by gene editors like CRISPR, offering a more accurate and scalable method for assessing on- and off-target effects compared to traditional indirect assays. The company is positioned to capitalize on growing regulatory demands for empirical, genome-wide safety data, aiming to become the standard for de-risking gene editing programs from discovery through IND-enabling studies. Recent leadership changes and a strategic rebrand underscore its focus on commercial expansion.

RNA & Gene TherapyCell & Gene Therapy

Technology Platform

INDUCE-seq®: A PCR-free, in situ platform that directly labels and captures DNA double-strand breaks in cells for unbiased, genome-wide on- and off-target analysis of gene editing events. It integrates wet-lab assays with bioinformatics to provide actionable data for guide selection and safety assessment.

Funding History

2
Total raised:$45M
Series A$30M
Seed$15M

Opportunities

The company is positioned to capitalize on the rapid growth of the gene therapy market and increasing regulatory demands for empirical, genome-wide off-target data.
Its platform-agnostic technology allows it to address a broad market across diverse cell types and editing systems, from CRISPR to next-generation base and prime editors.

Risk Factors

Key risks include slow adoption by an industry accustomed to legacy assays, competition from other emerging detection technologies or CRO services, and dependence on the overall growth and regulatory climate of the gene therapy sector.
Executing the transition from technology developer to a scalable commercial entity also presents significant challenges.

Competitive Landscape

Broken String competes with legacy off-target detection methods (e.g., GUIDE-seq, CIRCLE-seq), specialized CROs offering sequencing-based services, and other platform companies developing novel genomics assays. Its primary differentiation is the direct, PCR-free measurement of DNA breaks in cells, which it positions as more accurate and scalable than indirect, outcome-based assays.