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Macrophages and cytokines are important in the control of inflammation and regulation of the immune response. However, they can also contribute to immunopathology in the host after viral infection and the regulatory network can be subverted by infectious agents, including viruses, some of which produce cytokine analogues or have mechanisms that inhibit cytokine function. African swine fever virus...
AIM. We investigated effects of pulsating electromagnetic field (PEMF-50 Hz, 45 ± 5 mT) on viability and cytokine production by human peripheral blood mononuclear cells (PBMC) from healthy donors and from Crohn’s disease patients (CD). METHODS. The study was performed after activation of cells with phytohaemaglutinin (PHA) and lipopolisaccharide (LPS). Exposure of PBMC cultures to PEMF from both CD...
Apoptosis is a fundamental process in the development of the fast growing intestinal mucosa. Apoptotic cells are present along the whole length of the villi and in the crypts. The mechanisms involved in the induction of apoptosis in the gut mucosa are still unknown. Cytokines are believed to play a role in auto- and paracrine models because the cells are dying in so-called "packets" containing...
Since serum is a source of hormones, growth factors, cytokines and antioxidants being a survival factor for cell culture its withdrawal from the culture medium induces apoptosis in a variety of cell types. In the present study the effect of FCS - deprivation on Bcl-2 protein level, Bax transcript and apoptosis of L1210 leukaemic cells was examined. The possibility of the existence of cellular origin...
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