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2. Immunological response in the mouse melanoma model after local hyperthermia

Creator:
Jiří Kubeš, Jiří Svoboda, Jozef Rosina, Miroslav Starec, and Anna Fišerová
Format:
print, bez média, and svazek
Type:
article, články, model:article, and TEXT
Subject:
Mikrobiologie, mikrobiologie, hypertermie, melanomy, microbiology, hyperthermia, melanomas, local hyperthermia, cytotoxic cells, monocytes, CD69, 2, and 579
Language:
English
Description:
Our study was aimed to characterize the phenotype and functional endpoints of local microwave hyperthermia (LHT, 42 °C) on tumor infiltrating and spleen leukocytes. The effectiveness of LHT applied into the tumor of B16F10 melanoma-bearing C57/BL6 mice was compared with anesthetized and non-treated animals. Subpopulations of leukocytes were analyzed using the flow cytometry, and the cytotoxic activity of splenocytes against syngeneic B16F10 melanoma and NK-sensitive YAC-1 tumor cell lines was evaluated in 51 Cr-release assay. Similarly, the in vitro modification of the heat treatment was performed using healthy and melanoma-bearing splenocytes. We found a 40 % increase of activated monocytes (CD11b+CD69+) infiltration into the tumor microenvironment. In the spleen of experimental animals, the numbers of cytotoxic T lymphocytes (CTLs-CD3+CD8+) and NK cell (CD49b+NK1.1+) raised by 22 % and 14 %, respectively, while the NK1.1+ monocytes decreases by 37 %. This was accompanied by an enhancement of cytotoxic effector function against B16F10 and YAC-1 targets in both in vivo and in vitro conditions. These results demonstrate that LHT induces better killing of syngeneic melanoma targets. Furthermore, LHT evokes the homing of activated monocytes into the tumor microenvironment and increases the counts of NK cells and CTL in the spleen., J. Kubeš, J. Svoboda, J. Rosina, M. Starec, A. Fišerová., and Obsahuje bibliografii a bibliografické údaje
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

5. Mikrobiální biofilmy. 1. Všudypřítomný a přitom málo známý fenomén

Creator:
Martin Rulík and Veronika Holá
Format:
print
Type:
article, články, model:article, and TEXT
Subject:
Mikrobiologie, biofilmy, bakterie, mikroorganismy, 2, and 579
Language:
Czech
Description:
Biofilms are communities of microorganisms irreversibly attached to various substrates which are embedded in the matrix of extracellular polymeric substances. Biofilms are present in both natural and human environments, which may cause serious problems. In this article, we deal with the basic characteristics, origin, development and functions of biofilms. and Martin Rulík, Veronika Holá.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

6. Vláknité houby z povrchu lidského těla

Creator:
Hubka, Vít and Naděžda Mallátová
Format:
print
Type:
article, články, model:article, and TEXT
Subject:
Mikrobiologie, houby, plísně, mykózy, lidské tělo, 2, and 579
Language:
Czech
Description:
Filamentous fungi are frequently isolated from body surface of the patients with suspected dermatomycosis. They may act as human pathogens, but in numerous ca - ses the significance of isolated fungus must be verified by additional investigations. The medically important fungi form a highly diverse and heterogenous group. Our often only limited knowledge of their biology is rapidly expanding particularly due to the development of new and improved methods of molecular biology., Vít Hubka, Naďa Mallátová., and 8 barev. fot.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public