Human Cell Differentiation Molecules, an organisation which runs HLDA (Human Leucocyte Differentiation Antigens) Workshops and names and characterises CD molecules.

The mission of HCDM is to characterise the structure, function and distribution of leucocyte surface molecules and other molecules of the immune system.

The next HLDA Workshop, HLDA9, will be Chaired by Pablo Engel, Immunology Unit. Department Cellular Biology and Pathology. Medical School; University of Barcelona. Casanova 143. Barcelona E-08036.

Information on the CD molecules can be found on this website, and in the book "Leukocyte and Stromal Cell Molecules: The CD Markers", published by John Wiley and Sons.

UPDATED: Information on the "B-cell Malignancies" Section of the HLDA9 Workshop is now available at the HLDA9 page.