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. 1985 May 24;228(4702):1005-7.
doi: 10.1126/science.4001928.

Involvement of sialic acid on endothelial cells in organ-specific lymphocyte recirculation

Involvement of sialic acid on endothelial cells in organ-specific lymphocyte recirculation

S D Rosen et al. Science. .

Abstract

Mouse lymphocytes incubated on cryostat-cut sections of lymphoid organs (lymph nodes and Peyer's patches) specifically adhere to the endothelium of high endothelial venules (HEV), the specialized blood vessels to which recirculating lymphocytes attach as they migrate from the blood into the parenchyma of the lymphoid organs. Treatment of sections with sialidase eliminated the binding of lymphocytes to peripheral lymph node HEV, had no effect on binding to Peyer's patch HEV, and had an intermediate effect on mesenteric lymph node HEV. These results suggest that sialic acid on endothelial cells may be an organ-specific recognition determinant for lymphocyte attachment.

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