Journal of Experimental Medicine

Medical research

Discovery of aging mechanism for hematopoietic stem cells

By transferring mouse aged hematopoietic stem cells (aged HSCs) to the environment of young mice (bone marrow niche), it was demonstrated that the pattern of stem cell gene expression was rejuvenated to that of young hematopoietic ...

Medical research

Researchers discover new particle in the blood of septic patients

Researchers at La Jolla Institute for Immunology (LJI) have found that people with sepsis have never-before-seen particles in their blood. The scientists are the first to show that these particles, called elongated neutrophil-derived ...

Diseases, Conditions, Syndromes

COVID-19 immunity may last six months or more

Around the world, coronavirus cases are surging and deaths due to the disease keep ticking up—more than 240,000 in the United States so far—but a new antibody analysis offers a hint of hope.

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