Provided is a method including providing a population of cells including a target type of differentiated cells having a pre-identified cytoskeletal profile and at least one cell selected from undifferentiated cells, differentiating cells and differentiated cells being different from the target type of differentiated cells and incubating the population of cells with a cytotoxic agent, in an amount and for a time period effective to form a modified population of cells including predominantly or consisting essentially of the target type of differentiated cells. The pre-identified cytoskeletal profile can include the presence of class III β-tubulin on neuronal cells and the population of cells includes neural cells and neuronal cells.
