Aquaporin-1 (AQ-1) is a transmembrane water channel protein reportedly expressed in continuous capillary endothelium and intestinal lacteals. We investigated endothelial AQ-1 expression in rat intestine and mesentery, and also in lymph nodes.
Microcirculation and Lymphology Laboratory, Department of Anatomy, School of Medicine, & Center for Heart, Lung & Circulation Research, Flinders University, Adelaide, South Australia. bren.gannon@flinders.edu.au