For scientists
Do science that changes medicine.
We build enhancer maps, learn the language of the genome, and use CRISPR to find disease genes. Come do it with us — or use our data and tools in your own lab.
Engreitz Lab · Stanford Medicine
We're mapping the regulatory wiring of the heart — cell by cell, switch by switch — to understand congenital and adult heart disease and to build a new generation of genetic cures.
Our genome contains two million regulatory switches that decide when each of our 21,000 genes turns on. Get the wiring wrong, and disease follows. We are building the map of that wiring in the human heart — and using it to design a new generation of cures.
Two ways in
For scientists
We build enhancer maps, learn the language of the genome, and use CRISPR to find disease genes. Come do it with us — or use our data and tools in your own lab.
For supporters
Surgeons can patch a heart; we are working to fix the DNA defects underneath. Your support accelerates the search for the first CRISPR therapies for heart disease.
The science, in four scrolls
Only ~2% of the human genome codes for proteins. The rest was long dismissed as "junk" — but it holds the instructions for when and where each gene is used.
These are enhancers — short stretches of DNA that turn nearby genes on. Each cell type uses its own combination to build its identity.
Over 100,000 genetic variants linked to human disease fall inside these switches — including hundreds for heart disease. But which gene does each one break?
Using massively parallel CRISPR screens and the Activity-by-Contact model, we trace each enhancer to the gene it controls. The wiring rewires from one heart cell type to the next — switch cell types below to see it move.
By the numbers
noncoding "words" in the human genome that decide when genes turn on
a genetic atlas of the developing human heart, finished ahead of schedule
enough scale to find and read even the rarest cell types in the heart
found with Perturb-seq — each a possible target for a new drug
UCSF · Harvard · MIT · Broad · Stanford · UCSD · WashU · MSK
The next five years
Comprehensive maps of enhancer–gene connections across every cell type in the heart — and, ultimately, the human body.
Gene-program maps across the 20 major cell types of the human heart, defining the regulatory logic of each.
Causal pathways for 10 major heart diseases, uncovered through genome-wide Perturb-seq.
Prototype CRISPR therapies that reprogram the regulatory genome to treat disease at its source.
Latest
A genetic map of the heart during development, built from ~1 million single cells across 100 samples.
Read more →Perturb-seq in endothelial cells turns 2,000 candidate variants into a shortlist of causal targets.
Read more →How we combine massively parallel perturbation with deep learning to decode gene regulation.
Read more →The people
The heart's regulatory code doesn't respect disciplinary lines, so neither do we. Our team is trained at the intersection of genomics and heart disease — biologists who code, engineers who run CRISPR screens, and computational scientists fluent in the wet lab. Training the next generation of scientists is central to everything we do.
Meet the teamSupported by


Broad InstituteNIH