... biotin in terms of a clearly lower background.All antibo dies were diluted in PBS containing 5%bovine serum albumin. The signal was developed byincubation with hydrogen peroxide and DAB (diamino-benzidine ... counter-stained with hematoxylin, mounted with aquatex(Merck, Darmstadt, Germany), and examined by lightmicroscopy.Immunomagnetic separation of CD166+/- cells Expanded OA chondrocytes (passage ... cells/ mesenchymal progenitor cells (MSCs/MPCs) have beendiscovered in almost all tissues, including peripheralblood, bone marrow, muscle, fat, pancreas, skin, and nervous system, and, interestingly, in...