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24 February 2026
Travel Guide
Dendritic cells are key elements of the immune system, processing the agents [antigens] that stimulate an immune response. They migrate from tissues to lymph nodes (where they present antigens to other immune system cells) in the lymphatic vessels, and here researchers have shown that they're guided from the tissue into the vessels by a gradient of the molecule chemokine C–C motif ligand 21
Read the published research article here
Written by
- Image from work by Victor Collado-Diaz, Maria-Nefeli Christakopoulou and Philipp Schineis, and colleagues
- Institute of Pharmaceutical Sciences, ETH Zurich, Zurich, Switzerland
- Image originally published with a Creative Commons Attribution 4.0 International (CC BY 4.0)
- Published in Journal of Cell Biology, January 2026
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BPoD stands for Biomedical Picture of the Day. Managed by the MRC Laboratory of Medical Sciences until Jul 2023, it is now run independently by a dedicated team of scientists and writers. The website aims to engage everyone, young and old, in the wonders of biology, and its influence on medicine. The ever-growing archive of more than 4000 research images documents over a decade of progress. Explore the collection and see what you discover. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.
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