Warianty tytułu
Języki publikacji
Abstrakty
Na podstawie piśmiennictwa omówiono rolę proliferacji komórkowej w rozwoju procesu nowotworowego z uwzględnieniem jej biologicznych aspektów - cyklu komórkowego, punktów kontrolnych cyklu oraz regulatorów wzrostu.
Cell proliferation is regulated by the cell cycle which is controlled by a number of cyclin dependent kinases (CDKs). The functions of CDKs are critical for cell cycle and are require to traverse checkpoints. A network of inhibitors (CKI) of the cyclin-dependent kinases provid the important function of regulating the activity of the cyclin complexes. Deregulation of thes results in either uncontrolled proliferation or cell death (apoptosis). Cell proliferation is an important factor in the development of carcinogenesis induced by genotoxic as well as non- genotoxic carcinogens. It is an integral part of the process of converting DNA adducts to mutations, it also decreases the time that is available for DNA repair and is required to clonal expansion of initiated cell populations. Moreover, cell proliferation increases the number of initiated cells by blocking cell death (apoptosis) and pertubing checkpoins in the cell cycle. Two major mechanisms of induction of cell proliferation (regenerative and mitogens-stimulated) were discussed in relation to their potential roles in the carcinogenicity.
Wydawca
Czasopismo
Rocznik
Tom
Numer
Strony
265-278
Opis fizyczny
s.265-278,rys.,tab.,bibliogr.
Twórcy
autor
- Panstwowy Zaklad Higieny, 00-791 Warszawa, ul.Chocimska 24
Bibliografia
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-article-3920b38f-07ed-4cd0-a52d-c27097e00696