Antigen-presenting cells work to present peptides derived from exogenous and endogenous antigens to circulating T cells, sparking off an immune response. Dendritic cells are unique amongst antigen ...

Most cells in the body send out little messengers called extracellular vesicles that carry proteins, lipids, and other ...

1). What are small molecules? We know best what they are not—nature's DNA, RNA and protein macromolecules residing within their cellular contexts. Cells make naturally occurring small molecules ...

The study is published in Nature. The authors used a combination of spatial transcriptomics and multiplexed single-cell technologies to pinpoint a B cell subtype in normal intestinal lymphoid ...

This page provides educational resources, events, news and products related to the immune system. Content will cover aspects from the cells and molecules from which it is formed, how they interact and ...

This takes place when molecules diffuse across the cell membrane by travelling through specific transport proteins. It occurs down a concentration gradient - molecules move from an area of high to ...

there will be equal movement of water molecules in both directions. The solution is said to be in equilibrium – there is therefore no net movement in one direction. Water leaves the cell by osmosis.

In humans and other multicellular organisms, cells multiply. This defining feature allows embryos to grow into adulthood, and enables the healing of the many bumps, bruises and scrapes along the way.

Johns Hopkins scientists develop mRNA "booster" as potential new way to treat rare genetic diseases marked by too low levels ...

Scientists at YOKOHAMA National University, in collaboration with RIKEN and other institutions in Japan and Korea, have made ...

An innovative new technique uses a novel DNA barcode system to track hundreds of RNA and protein molecules in single cells within thick biological samples, providing researchers with a full picture of ...