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Wyszukujesz frazę "sodium butyrate" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Changes in the cellular behaviour of human colonic cell line Caco-2 in response to butyrate treatment.
Autorzy:
Dzierżewicz, Zofia
Orchel, Arkadiusz
Węglarz, Ludmiła
Latocha, Małgorzata
Wilczok, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1043829.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
colonocytes
sodium butyrate
interleukin-8
apoptosis
differentiation
Caco-2 cells
Opis:
Gut-derived adenocarcinoma Caco-2 cells were treated with sodium butyrate (NaB) at physiologically relevant concentrations. We characterized its effects on proliferation, differentiation, apoptosis, adhesion to the solid support and interleukin-8 secretion. Differentiation was determined by brush border alkaline phosphatase activity. Apoptosis was assessed by acridine orange and Hoechst stains. Differentiation and apoptosis were analyzed in both adherent and floating cell populations. The transformed Caco-2 cells did not retain their malignant phenotype in the presence of NaB. They appeared to undergo a change in the phenotype induced by NaB, as indicated by reduced proliferation, enhanced differentiation, stimulation of apoptosis leading to decreased viability of cells, and stimulation of interleukin-8 secretion. Considering all the above facts and data, we postulate that Caco-2 cells cultured in NaB supplemented medium could regain the phenotypic characteristics of the phenotype of the parent cell from which originated the Caco-2 line.
Źródło:
Acta Biochimica Polonica; 2002, 49, 1; 211-220
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Expression pattern of histone H3 subtypes in articular chondrocytes
Autorzy:
Kulczycka, A.
Orchel, J.
Orchel, A.
Dzierżewicz, Z.
Bednarek, I.
Powiązania:
https://bibliotekanauki.pl/articles/284752.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
histone H3 subtypes
proliferative marker
chondrocytes
RT-PCR
sodium butyrate
Opis:
Three-dimensional cell culture used for tissue engineering has its own rules and directions. There is a deficiency of proliferative markers suitable for tissue engineering research when cells are cross-linked in network of fibers or suspended in hydrogel. It limits cell harvesting or impairs the flow to cell area conventional chemicals used as proliferative markers. According to current published data, the expression of replication-dependent histone H3 genes could be novel proliferative marker of cells. The intensive synthesis of H3 histones is tightly correlated with DNA synthesis and H3 mRNA is rapidly degraded when the S phase is completed or inhibited by cell cycle inhibitors. Based on this relation, non-dividing cells contain no H3 mRNA. The aim of the study was to determine expression pattern of replication-dependent H3 subtypes and tissue-specific H3/t subtype in normal human connective tissue cells. Analyzed cellular model was chondrocytes cell line due to the phenomenon that articular cartilage doesn't have natural ability to heal its injuries, consequently development of cartilage engineering is necessary. Evaluation of expression pattern was performed using Reverse Transcription PCR and reaction products were visualized on the gel electrophoresis. This study demonstrated that RT-PCR technique can be successfully used to study the expression of different histone H3 subtypes. Presented electrophoregram showed differential expression of the analyzed subtypes (no expression of H3/g and H3/t subtypes). Incubation with sodium butyrate and quantitative Real Time PCR enabled quantification of mRNA level of selected H3/d subtype. This part of study showed a significant reduction in the mRNA level of H3/d when the sodium butyrate was added. Obtained results indicated the possibility of using the expression of individual histone H3 subtype as a new proliferative marker.
Źródło:
Engineering of Biomaterials; 2012, 15, 113; 2-5
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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