Abstract
Asymmetric division was formed as an evolutionary conserved mechanism of self-maintenance of cellular populations and creation of a variety of cell types during ontogenesis. Asymmetric division enables a special mechanism of determinant segregation, which further defines development of daughter cells. As a result two unequal cells are developed. Recent research demonstrates the interplay of disturbed asymmetric division of stem cells and tumorigenesis. Genes implicated in cell’s polarization and normal progression of asymmetric mitosis were identified in Drosophila. Other genes regulating asymmetric mitosis were described as tumor suppressors, and their mutations were shown to initiate neoplastic growth. Comparative study of gene expression suggests that the disturbance of asymmetric division might be one of the reasons for neoplasm progression in vertebrates.
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