Diseases

Whitehead Institute Founding Member Rudolf Jaenisch and colleagues developed an approach to isolate and analyze phagosomes, which are an important organelle in microglia, a type of immune cell found in the brain. Microglia are involved in brain development, as well as neurodegeneration, brain cancer, and more so understanding their biology has many potential implications.

Whitehead Institute Member David Page and colleagues measured the effects of the sex chromosomes on two types of immune cells, gaining insights into the cell-type-specific effects of gene regulation by sex chromosome genes. Their work also explores the biological underpinnings of sex biases in immunity and autoimmune disease.

Whitehead Institute Member Sebastian Lourido and colleagues performed the first genome-wide screen of Toxoplasma gondii in live hosts, uncovering genes that are important for infection but had been undetected in cell culture experiments. Their results demonstrate the importance of studying parasites in live hosts and point to a possible new drug target.

Whitehead Institute Founding Member Rudolf Jaenisch and colleagues have uncovered how the Rett syndrome disease gene plays a key role in the expression of many other neuronal genes, expanding our understanding of the biology of Rett syndrome and, potentially, autism spectrum disorder.

Whitehead Institute Member Jonathan Weissman and colleagues used large-scale systematic genetic screens to identify the molecules and pathways that populate the mitochondrial surface with important and diverse signaling proteins. They deciphered the logic by which the cell ensures the proper delivery of these proteins. These findings may have important implications for understanding the impact on health and disease when these processes go awry.

Whitehead Institute Member Jonathan Weissman and collaborators developed a tool to reconstruct the family trees and individual states of cells in humans, revealing how blood cell production changes in old age.

Whitehead Institute Founding Member Rudolf Jaenisch and colleagues found that SARS-Cov-2 can infect sensory neurons and alter their gene expression. This may help to explain the peripheral nervous system symptoms associated with Covid-19, such as loss of smell.

Once considered genomic “junk,” repetitive sequences in DNA are being discovered to have important roles in our biology. Whitehead Institute researchers are investigating different types of these repeated sequences, from repetitive DNA regions to excessive repeats within genes, in order to understand what roles they play in cells and how they contribute to health and disease.

In an increasingly interconnected and complex world, collaboration is more important than ever for progress in science. By coming together, scientists can share knowledge and ideas to solve complex problems, learn new skills, and advance their careers. Researchers at Whitehead Institute recognize the importance of collaboration when taking on big challenges in science.