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preprint · bioRxiv

A self-supervised DNA foundation model with collapse-resistant multimodal fusion

Yuyan Chen reports that a DNA foundation model combines sequence with local and global chromatin accessibility while trying to prevent one modality from overwhelming the representation.

Author affiliations

  • ModelsLive Inc.

In plain English

The model first learns from DNA sequence, then adds two views of which genomic regions are open in cells. A normalization step is designed to keep the accessibility signal from collapsing into an uninformative shortcut.

How the study worked

A plain-language walk through the work behind the result.

  1. Pretrained a self-supervised DNA model and fused local and global chromatin-accessibility representations.

  2. Tested the representation on peak detection and external ClinVar, GTEx eQTL, and PBMC caQTL tasks.

What they found

  • The preprint reports a 4.6-fold AUPRC improvement over a DNA-only baseline for peak detection.
  • The authors report transfer across variant and regulatory-association datasets.

Why it matters

Genomic foundation models may need cell-state context, not sequence alone, to represent regulatory function.

The catch

  • The work is a preprint and has not been peer reviewed.
  • The sole author discloses being founder and CEO of ModelsLive.

Evidence ledger

Sources behind this brief

  1. 01
    Primary source

    bioRxiv preprint version 1

    preprint · Accessed August 25, 2026