Multicellular organisms are a mosaic of different cells, tissues, and systems, each with their own specific function and interactions with other cells within the organism and/or the larger environment ...

As the immune system ages, it reacts more slowly to pathogens, vaccines become less effective, and the risk of cancer ...

If the COVID-19 pandemic has done one thing, it’s made us all more familiar with some of the important players in the immune system. Antibodies, B cells, and T cells are among the best known parts of ...

The immune system faces a delicate balancing act: it must be aggressive enough to fight infections and cancer, yet restrained ...

It’s supposed to fight off invaders to keep us healthy. But sometimes it turns traitor and attacks our own cells and tissues.

By electrically stimulating macrophages, scientists at Trinity College Dublin have found a way to calm inflammation and promote faster healing. The process turns these immune cells into ...

Our immune system constantly evolves over the years, and certain cells long considered signs of decline might actually play a ...

Cells have an internal skeleton that maintains their structure and also drives their movement. Known as the cytoskeleton, ...

A new study has discovered a molecular signal that tumors exploit to exhaust the T cells meant to destroy them—and how ...

Stem-cell researcher Carolina Florian didn’t trust what she was seeing. Her elderly laboratory mice were starting to look younger. They were more sprightly and their coats were sleeker. Yet all she ...