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Wyszukujesz frazę "cell culture" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Cardiac endothelial cells isolated from mouse heart - a novel model for radiobiology
Autorzy:
Jelonek, Karol
Walaszczyk, Anna
Gabryś, Dorota
Pietrowska, Monika
Kanthou, Chryso
Widłak, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1039895.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
cardiac endothelial cells
radiation
cardiotoxicity
primary cell culture
stress response
Opis:
Cardiovascular disease is recognized as an important clinical problem in radiotherapy and radiation protection. However, only few radiobiological models relevant for assessment of cardiotoxic effects of ionizing radiation are available. Here we describe the isolation of mouse primary cardiac endothelial cells, a possible target for cardiotoxic effects of radiation. Cells isolated from hearts of juvenile mice were cultured and irradiated in vitro. In addition, cells isolated from hearts of locally irradiated adult animals (up to 6 days after irradiation) were tested. A dose-dependent formation of histone γH2A.X foci was observed after in vitro irradiation of cultured cells. However, such cells were resistant to radiation-induced apoptosis. Increased levels of actin stress fibres were observed in the cytoplasm of cardiac endothelial cells irradiated in vitro or isolated from irradiated animals. A high dose of 16 Gy did not increase permeability to Dextran in monolayers formed by endothelial cells. Up-regulated expression of Vcam1, Sele and Hsp70i genes was detected after irradiation in vitro and in cells isolated few days after irradiation in vivo. The increased level of actin stress fibres and enhanced expression of stress-response genes in irradiated endothelial cells are potentially involved in cardiotoxic effects of ionizing radiation.
Źródło:
Acta Biochimica Polonica; 2011, 58, 3; 397-404
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hepatitis C - new developments in the studies of the viral life cycle
Autorzy:
Rychłowska, Małgorzata
Bieńkowska-Szewczyk, Krystyna
Powiązania:
https://bibliotekanauki.pl/articles/1040855.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
hepatitis C virus
HCV replicons
HCVcc-cell culture-derived
HCV pseudoparticles
Opis:
Hepatitis C virus (HCV) is a causative agent of chronic liver disease leading to cirrhosis, liver failure and hepatocellular carcinoma. The prevalence of HCV is estimated as 3% of the world population and the virus is a major public health problem all over the world. For over 16 years, since HCV had been discovered, studies of the mechanisms of the viral life cycle and virus-host interactions have been hampered by the lack of a cell culture system allowing the virus to be grown in laboratory conditions. However, in recent years some new model systems to study HCV have been developed. The major breakthrough of the last two years was the cell culture system for maintaining the virus in an adapted hepatocyte-derived cell line. This review describes the techniques and applications of most of the in vitro systems and animal models currently used for working with hepatitis C virus.
Źródło:
Acta Biochimica Polonica; 2007, 54, 4; 703-715
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cadmium-induced changes in antioxidant enzymes in suspension culture of soybean cells.
Autorzy:
Sobkowiak, Robert
Rymer, Katarzyna
Rucińska, Renata
Deckert, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1043349.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
ascorbate peroxidase
superoxide dismutase
peroxidase
soybean cell suspension culture
catalase
cadmium
Opis:
Cadmium (Cd), similarly to other heavy metals, inhibits plant growth. We have recently showed that Cd2+ either stimulates (1-4 μM) or inhibits (ł 6 μM) growth of soybean (Glycine max L.) cells in suspension culture (Sobkowiak & Deckert, 2003, Plant Physiol Biochem. 41: 767-72). Here, soybean cell suspension cultures were treated with various concentrations of Cd2+ (1-10 μM) and the following enzymes were analyzed by native electrophoresis: superoxide dismutase (SOD), catalase (CAT), peroxidase (POX) and ascorbate peroxidase (APOX). We found a significant correlation between the cadmium-induced changes of soybean cell culture growth and the isoenzyme pattern of the antioxidant enzymes. The results suggest that inhibition of growth and modification of antioxidant defense reactions appear in soybean cells when Cd2+ concentration in culture medium increases only slightly, from 4 to 6 μM.
Źródło:
Acta Biochimica Polonica; 2004, 51, 1; 219-222
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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