SELL

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Related to sell down the river: haul over the coals, sell someone down the river

SELL

A gene on chromosome 1q23-q25 that encodes l-selectin, a cell surface adhesion/homing receptor required for binding and rolling of leukocytes on endothelial cells, facilitating leukocyte migration into secondary lymphoid organs and inflammation sites. 

Molecular pathology
SELL polymorphisms are associated with various diseases, including IgA nephropathy.