Article Publish Status: FREE
Abstract Title:

The Aquaporin 1 Inhibitor Bacopaside II Reduces Endothelial Cell Migration and Tubulogenesis and Induces Apoptosis.

Abstract Source:

Int J Mol Sci. 2018 Feb 26 ;19(3). Epub 2018 Feb 26. PMID: 29495367

Abstract Author(s):

Helen M Palethorpe, Yoko Tomita, Eric Smith, Jinxin V Pei, Amanda R Townsend, Timothy J Price, Joanne P Young, Andrea J Yool, Jennifer E Hardingham

Article Affiliation:

Helen M Palethorpe


Expression of aquaporin-1 (AQP1) in endothelial cells is critical for their migration and angiogenesis in cancer. We tested the AQP1 inhibitor, bacopaside II, derived from medicinal plant, on endothelial cell migration and tube-formation in vitro using mouse endothelial cell lines (2H11 and 3B11) and human umbilical vein endothelial cells (HUVEC). The effect of bacopaside II on viability, apoptosis, migration and tubulogenesis was assessed by a proliferation assay, annexin-V/propidium iodide flow cytometry, the scratch wound assay and endothelial tube-formation, respectively. Cell viability was reduced significantly for 2H11 at 15μM (= 0.037), 3B11 at 12.5μM (= 0.017) and HUVEC at 10μM (<0.0001). At 15μM, the reduced viability was accompanied by an increase in apoptosis of 38%, 50% and 32% for 2H11, 3B11 and HUVEC, respectively. Bacopaside II at ≥10 μM significantly reduced migration of 2H11 (= 0.0002) and 3B11 (= 0.034). HUVECs were most sensitive with a significant reduction at≥7.5 μM (= 0.037). Tube-formation was reduced with a 15μM dose for all cell lines and 10 μM for 3B11 (<0.0001). These results suggest that bacopaside II is a potential anti-angiogenic agent.

Study Type : In Vitro Study

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