Western blot analysis of ITGA6/CD49f expression in cell lysates (1-3) and tissue homogenates (4-6). Lane 1: human placenta tissue lysates, lane 2: human Hela whole cell lysates, lane 3: human Caco-2 whole cell lysates, lane 4: rat kidney tissue lysates, lane 5: rat lung tissue lysates, lane 6: mouse kidney tissue lysates. Loading amount: 50 ug protein per lane. SDS-PAGE: reducing conditions.