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Disease

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By studying modifications to chromatin — the structure DNA forms when bound to histone proteins — MIT biologists identified genetic regions that regulate heart cell development.

Probing matters of the heart

New study of stem cell differentiation could help researchers better understand the genetic basis of heart disease.

September 14, 2012

In this image of mouse embryonic fibroblasts undergoing reprogramming, each colored dot represents messenger RNA associated with a specific gene. Red dots represent mRNA for the gene Sall4, green is Sox2 and blue is Fbxo15.

Tracking stem cell reprogramming

Biologists reveal genes key to development of pluripotency, in single cells.

September 13, 2012

Zebrafish embryos, seen here, are transparent and have internal organs that can be easily seen as they develop.

Imaging fish on the fly

New MIT technology allows high-speed study of zebrafish larvae, often used to model human diseases.

July 19, 2010