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1

The pH-dependent effect of mitochondria on Ca2plus influx into Jurkat cells

100%
Zablocki K., Makowska A., Szczepanowska J., Duszynski J.
Cellular and Molecular Biology Letters
|
2002
|
tom 07
|
nr Suppl.
2

Modulation of CD40L antigen expression in Jurkat cells: involvement of protein kinase C activity

86%
Lisowska K., Bryl E., Soroczynska M., Witkowski J. M.
Folia Histochemica et Cytobiologica
|
2003
|
tom 41
|
nr 4
3

CD3 receptor modulation in Jurkat leukemic cell line

86%
Jozwik A., Soroczynska M., Witkowski J. M., Bryl E.
Folia Histochemica et Cytobiologica
|
2004
|
tom 42
|
nr 1
4
Content available remote

Arecoline inhibits interleukin-2 secretion in Jurkat cells by decreasing the expression of alpha7-nicotinic acetylcholine receptors and prostaglandin E2

72%
Hwang G. S., Hu S., Lin Y. H., Chen S. T., Tang T. K., Wang P. S., Wang S. W.
Journal of Physiology and Pharmacology
|
2013
|
tom 64
|
nr 5
5

Benzalkonium chloride (BAK) induces apoptosis or necrosis, but has no major influence on the cell cycle of Jurkat cells

58%
Pozarowska D., Pozarowski P.
Folia Histochemica et Cytobiologica
|
2011
|
tom 49
|
nr 2
6
Content available remote

Ciprofloxacin inhibits proliferation and promotes generation of aneuploidy in Jurkat cells

58%
Koziel R., Szczepanowska J., Magalska A., Piwocka K., Duszynski J., Zablocki K.
Journal of Physiology and Pharmacology
|
2010
|
tom 61
|
nr 2
Ciprofloxacin is widely used in antimicrobial therapy. However it also inhibits mitochondrial topoisomerase II and therefore affects cellular energy metabolism. At a concentration exceeding 80 µg/ml ciprofloxacin induces apoptosis, while at 25 µg/ml it inhibits proliferation of Jurkat cells without any symptoms of cell death. The aim of this study was to explain the mechanisms of ciprofloxacin-evoked perturbations of the cell cycle. Human lymphoidal cells (Jurkat) were exposed to ciprofloxacin (25 µg/ml) for 4-11 days and effects of the drug on cell proliferation (light microscopy), cell cycle (flow cytometry), cell size and morphology (confocal microscopy) as well as number of chromosomes (chromosomal spread analysis) were investigated. Exposition of Jurkat cells to ciprofloxacin inhibited cell proliferation, increased proportion of cells in the G2/M-phase of the cell cycle, compromised formation of the mitotic spindle and induced aneuploidy. These observations indicate that ciprofloxacin applied at concentrations insufficient for induction of apoptosis may stop cell proliferation by inhibition of mitosis. Chromosomal instability of such cells may, at least potentially, increase a risk of cancer development.
7

Participation of phospholipase A2 isoforms in the control of calcium influx into electrically non-excitable cells

58%
Zablocki K., Wasniewska M., Duszynski J.
Acta Biochimica Polonica
|
2000
|
tom 47
|
nr 3
The participation of phospholipase A2 isoforms in capacitative store-operated Ca2+ influx into Jurkat leukemic T and MDCK cells was investigated. Preincubation of Jurkat cells with either bromophenacyl bromide (an inhibitor of secreted phospholipase A2, sPLA2) or Helss (an inhibitor of calcium independent phospholipase A2 iPLA2) resulted in a significant inhibition of the calcium influx. The extent of this inhibition depended on the pH of the extracellular millieu; it increased with alkalisation. The rate of Ca2+ influx into MDCK cells was reduced by bromophenacyl bromide. Preincubation of these cells with Helss resulted in the stimulation of the influx. These observations suggest the participation of different PLA2 isoforms in the regulation of Ca2+ influx. They also show that the extent that PLA2 isoforms control the influx depends on the pH of the medium. Finally, these data indicate that various phospholipase A2 isoforms may play a role in the control of Ca2+ influx in different cell lines.
8

Effect of lactoferrin on proliferation and differentiation of the Jurkat human lymphoblastic T cell line

58%
Bi B. Y., Lefebvre A. M., Dus D., Spik G., Mazurier J.
Archivum Immunologiae et Therapiae Experimentalis
|
1997
|
tom 45
|
nr 4
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