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Behavior of some enzymatic systems to the action of the cytostatic active EGlCP glucanic biopreparation upon HeLa neoplastic cells

Author(s): Daniela Gherghel | Cosmin Mihai Teodor | Gabriela Vochita | Elena Truta | Dorina Iurea | Pincu Rotinberg

Journal: Analele Ştiinţifice Ale Universităţii Alexandru Ioan Cuza din Iași,Sectiunea II A : Genetica si Biologie Moleculara
ISSN 1582-3571

Volume: 12;
Issue: 1;
Date: 2011;
Original page

Interference of an autochthonous cytostatic active EGlCP glucanic biopreparation (in dose of 1.5 mg/mL) with the activity of some key enzymes, involved in the development of active transmembranary transport, of the intermediary and energetic metabolism, as well as in cellular answer to the oxidative stress, of HeLa neoplastic cells has been investigated. The study revealed: the intensification of the membranary Na+-K+-ATP-ase, of the cellular Mg2+-ATP-ase, of the superoxide dismutase activities; the operating level attenuation of the of catalase, peroxidase, glutathion peroxidase, lactate dehydrogenase, alkaline phosphatase, acid phosphatase; the diminution of the malondialdehyde content. This functional interference with some cell enzymatic biomolecules has also induced the perturbation of the diverse membrane and metabolic processes, which was incompatible with the survival of HeLa tumoral cells The modulations of the cellular enzymatic equipment activity can be the consequences of the glucanic components direct (with the molecules of the miscellaneous enzymes) or indirect interactions ( with membrane or genetic apparatus) with some cell, subcell and molecular structures, implicated in the control and regulation of the biosynthesis and activity of the enzymatic biomolecules. The central element, which induces this enzymatic imbalance, appears to be the excess generation of the free radicals in the tumoral cells’ metabolism aggressed by glucanic constituents.

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