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Wyświetlanie 1-3 z 3
Tytuł:
Organometallic iron complexes as potential cancer therapeutics
Autorzy:
Mojžišová, Gabriela
Mojžiš, Ján
Vašková, Janka
Powiązania:
https://bibliotekanauki.pl/articles/1039190.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
organometallic iron complexes
cytotoxic and antiproliferative effects
anticancer agents
Opis:
Metal-containing drugs have long been used for medicinal purposes in more or less empirical way. The potential of these anticancer agents has only been fully realised and explored since the discovery of the biological activity of cisplatin. Cisplatin and carboplatin have been two of the most successful anti-cancer agents ever developed, and are currently used to treat ovarian, lung and testicular cancers. They share certain side effects, so their clinical use is severely limited by dose-limiting toxicity. Inherent or acquired resistance is a second problem often associated with platinum-based drugs, with further limits of their clinical use. These problems have prompted chemists to employ different strategies in development of the new metal-based anticancer agents with different mechanisms of action. There are various metal complexes still under development and investigation for the future cancer treatment use. In the search for novel bio-organometallic molecules, iron containing anti-tumoral agents are enjoying an increasing interest and appear very promising as the potential drug candidates. Iron, as an essential cofactor in a number of enzymes and physiological processes, may be less toxic than non essential metals, such as platinum. Up to now, some of iron complexes have been tested as cytotoxic agents and found to be endowed with an antitumor activity in several in vitro tests (on cultured cancer cell lines) and few in vivo experiments (e. g. on Ehrlich's ascites carcinoma). Although the precise molecular mechanism is yet to be defined, a number of observations suggest that the reactive oxygen species can play important role in iron-induced cytotoxicty. This review covers some relevant examples of research on the novel iron complexes.
Źródło:
Acta Biochimica Polonica; 2014, 61, 4; 651-654
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of various sport activities on the degeneration of intervertebral discs
Autorzy:
Rapčan, Róbert
Poliak, Ľubomír
Rapčanová, Simona
Lenčéš, Peter
Buriánek, Miroslav
Vašková, Janka
Kočan, Ladislav
Powiązania:
https://bibliotekanauki.pl/articles/2036808.pdf
Data publikacji:
2020-12-06
Wydawca:
Fundacja Edukacji Medycznej, Promocji Zdrowia, Sztuki i Kultury Ars Medica
Tematy:
back injury
back pain
intervertebral disc
spine
sport
Opis:
Excessive physical activity is one of the main risk factors in the formation of degenerative changes of the intervertebral discs. Recreational and elite sport also represents a repeated increased physical load, and based on the type of sport, a more intense and sometimes less intense action of direct forces on the intervertebral discs. On the other hand, sport and training is in general regarded as beneficial for our health. Many doctors also regards sport as a form of prevention against back injuries. The authors analyze numerous sporting activities with different types of direct forces acting on the spine, with the goal to inform on realistic scientific facts regarding the impact of these activities on the degeneration of the intervertebral disc. They inform about the available facts, which confirm the positive effects of a certain type of sport load on the degeneration of the intervertebral disc, and its correlation with the clinically manifested back pain.
Źródło:
Polish Journal of Sports Medicine; 2020, 36(3); 115-121
1232-406X
2084-431X
Pojawia się w:
Polish Journal of Sports Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antiproliferative effect of β-escin - an in vitro study
Autorzy:
Mojžišová, Gabriela
Kello, Martin
Pilátová, Martina
Tomečková, Vladimíra
Vašková, Janka
Vaško, Ladislav
Bernátová, Silvia
Mirossay, Ladislav
Mojžiš, Ján
Powiązania:
https://bibliotekanauki.pl/articles/1038845.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
escin
apoptosis
mitochondria
fluorescence fingerprint
Opis:
This study examined the antiproliferative effects of β-escin (E) in cancer cells. The study showed that E inhibited cancer cells growth in a dose-dependent manner. The flow cytometric analysis revealed an escin-induced increase in the sub-G1 DNA content, which is considered to be a marker of apoptosis. Apoptosis was also confirmed by annexin V staining and DNA fragmentation assay. These effects were associated with increased generation of reactive oxygen species (ROS), caspase-3 activation and decreased mitochondrial membrane potential (MMP). Moreover, escin decreased mitochondrial protein content and mitochondrial fluorescence intensity as well as caused depletion of glutathione (GSH). However, activity of glutathione peroxidase (GPx) and glutathione reductase (GR) was not significantly changed in escin-treated cells. In conclusion, our results demonstrated that E has apoptotic effects in human cancer cells through the mechanisms involving mitochondrial perturbation. Although the exact mechanism needs to be investigated further, it can be concluded that E may be a useful candidate agent for cancer treatment.
Źródło:
Acta Biochimica Polonica; 2016, 63, 1; 79-87
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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