Category:Clusters of differentiation

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Clusters of differentiation is a term used to identify cell surface markers on lymphocytes as recognised by a subset of monoclonal antibodies. The term is abbreviated to CD and the markers have been numbered in the order of discovery.

There over 300 CD markers, many not exclusive to leucocytes. Many have alternative names, having been identified and characterised in research outside of leucocytes. As research progressed, previously distinct molecules have turned out to be the same protein.

The official list of CD markers are regulated by the Human Cell Differentiation Molecules organisation. Changes are usually published yearly.[1]

The key markers in man are:

  • Haemopoetic stem cell - CD34

For full list, see: