cells proliferate cells provide cells reached cells react cells receive cells recognize cells regenerate cells release cells remain cells remained cells remaining cells represent cells reproduce cells require cells requires cells resistant cells respond cells responsible cells results cells resuspended cells secrete cells serve cells share cells should cells show cells shown cells so cells stained cells start cells still cells stimulated cells stop cells such cells surrounding cells survive cells suspended cells take cells taken cells tend cells tested cells that are not cells that can cells that contain cells that do cells that express cells that form cells that have cells that help cells that line cells that make cells that may cells that produce cells that secrete cells that will cells then cells to become cells to communicate cells to create cells to die cells to divide cells to fight cells to form cells to grow cells to produce cells to repair cells together cells too cells transduced cells transfected cells transformed cells treated cells turn cells typically cells under a microscope cells undergo cells undergoing cells use cells used cells using cells usually cells washed cells were analyzed cells were assayed cells were centrifuged cells were collected cells were cultured cells were determined cells were fixed cells were found cells were grown cells were harvested cells were harvested by centrifugation cells were incubated cells were infected cells were isolated cells were lysed cells were observed cells were obtained cells were passaged