Stromal macrophages of the choroid plexus situated at an interface between the brain and peripheral immune system constitutively express major histocompatibility class II antigens

Matyszak, M.K., Lawson, L.J., Perry, V.H. and Gordon, S. (1992) Stromal macrophages of the choroid plexus situated at an interface between the brain and peripheral immune system constitutively express major histocompatibility class II antigens. Journal of Neuroimmunology, 40 (2-3), 173-181. (doi:10.1016/0165-5728(92)90131-4).

Abstract

Using immunocytochemistry we have shown that there is a population of macrophages within the stroma of the choroid plexus of rats and mice which expresses high levels of major histocompatibility complex Class II antigens. In whole mount preparations of the choroid plexus, the morphology and regular distribution of these cells is similar to the Langerhans cells of the skin. These cells reside at an important interface between the central nervous system and the peripheral immune system and their possible role in immune-mediated diseases of the central nervous system is discussed.

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