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Wyszukujesz frazę "lipid A" wg kryterium: Temat


Wyświetlanie 1-5 z 5
Tytuł:
Lactoferrin-monophosphoryl lipid a complex enhances immunity of mice to Plesiomonas shigelloides CNCTC 138/92
Autorzy:
Chodaczek, Grzegorz
Zimecki, Michal
Lukasiewicz, Jolanta
Lugowski, Czesław
Powiązania:
https://bibliotekanauki.pl/articles/1040820.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
lactoferrin
Plesiomonas shigelloides
adjuvant
monophosphoryl lipid A
Opis:
Our previous study showed the efficacy of lactoferrin-monophosphoryl lipid A isolated from Hafnia alvei LPS complex (LF-MPLH.a.) as an adjuvant in stimulation of humoral and cellular immune response in mice to conventional antigens and a lower pyrogenicity of the complex as compared with MPLH.a. alone. In the present investigation we demonstrated that LF-MPLH.a. complex enhanced the immunity of BALB/c mice immunized with Plesiomonas shigelloides CNCTC 138/92 bacterial vaccine, against P. shigelloides infection. The adjuvant effect was evidenced by a significant increase of the antigen-specific serum IgG, IgG2a, and IgG1 and elevation of antigen-specific serum IgA concentrations. In addition, application of the adjuvant facilitated better clearance of the bacteria in spleens and livers of infected mice when compared with MPLH.a. alone. These features of the new adjuvant may predispose it for vaccination protocols in humans.
Źródło:
Acta Biochimica Polonica; 2008, 55, 1; 91-96
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Straight and branched (ω-1)-hydroxylated very long chain fatty acids are components of Bradyrhizobium lipid A
Autorzy:
Choma, Adam
Komaniecka, Iwona
Powiązania:
https://bibliotekanauki.pl/articles/1039947.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
symbiosis
fatty acids
LPS
Bradyrhizobium
lipid A
Opis:
Lipopolysaccharides of seven Bradyrhizobium strains and three whole-cell fatty acid preparations from bacteria isolated from nodules of Sarothamnus scoparius (Common Broom) were studied for the presence of very long chain (ω-1)-hydroxy fatty acids. Several such fatty acids were identified. Among them, straight-chain as well as mono- and dimethyl branched acids with chains in the range from 26 to 34 carbon atoms were found. Pyrrolidides and 4,4-dimethyloxazoline derivatives were used to determine the branching position. Carbons at the (ω-10) and/or (ω-11) positions in alkyl chains were points of attachment of methyl groups. These data complete the structure of bradyrhizobial lipid A with important details. The obtained results can be applied in the chemotaxonomy of Bradyrhizobium.
Źródło:
Acta Biochimica Polonica; 2011, 58, 1; 51-58
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Authors’ response (September 1, 2017) to the letter to the Editor concerning the paper “Impact of electromagnetic radiation emitted by monitors on changes in the cellular membrane structure and protective antioxidant effect of vitamin A – In vitro study”
Autorzy:
Lewicka, Małgorzata
Henrykowska, Gabriela
Zawadzka, Magdalena
Rutkowski, Maciej
Pacholski, Krzysztof
Buczyński, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2159971.pdf
Data publikacji:
2017-12-21
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
electromagnetic radiation
malondialdehyde
LCD monitors
vitamin A
lipid peroxidation
antioxidant vitamins
Opis:
-
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2018, 31, 3; 373-375
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of electromagnetic radiation emitted by monitors on changes in the cellular membrane structure and protective antioxidant effect of vitamin A – In vitro study
Autorzy:
Lewicka, Małgorzata
Henrykowska, Gabriela
Zawadzka, Magdalena
Rutkowski, Maciej
Pacholski, Krzysztof
Buczyński, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2161898.pdf
Data publikacji:
2017-07-14
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
lipid peroxidation
antioxidants
vitamin A
malondialdehyde
electromagnetic radiation
LCD monitors
Opis:
Objectives The increasing number of devices emitting electromagnetic radiation (EMR) in people’s everyday life attracted the attention of researchers because of possible adverse effects of this factor on living organisms. One of the EMR effect may be peroxidation of lipid membranes formed as a result of free radical process. The article presents the results of in vitro studies aimed at identifying changes in malondialdehyde (MDA) concentration – a marker of lipid peroxidation and antioxidant role of vitamin A during the exposure of blood platelets to electromagnetic radiation generated by liquid-crystal-display (LCD) monitors. Material and Methods Electromagnetic radiation emitted by LCD monitors is characterized by parameters: 1 kHz frequency and 220 V/m intensity (15 cm from display screen). The time of exposure was 30 and 60 min. The study was conducted on porcine blood platelets. The samples were divided into 6 groups: unexposed to radiation, unexposed + vitamin A, exposed for 30 min, exposed for 30 min + vitamin A, exposed for 60 min, exposed for 60 min + vitamin A. Results The MDA concentration in blood platelets increases significantly as compared to control values after 60 min of exposure to EMR. A significant decrease in MDA concentration after the addition of vitamin A was noticed. In the blood samples exposed to EMR for 30 and 60 min the MDA concentration was significantly increased by addition of vitamin A. Conclusions The results show the possibly negative effect of electromagnetic radiation on the cellular membrane structure manifested by changes in malondialdehyde concentration and indicate a possible protective role of vitamin A in this process. Int J Occup Med Environ Health 2017;30(5):695–703
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2017, 30, 5; 695-703
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Beneficial effect of predominantly coconut oil consumption on lipid profile: a study of a rare population in Indonesia
Autorzy:
Nugraha, Gaga Irawan
Hutabarat, Astri
Regina, Natalia
Kurnia, Irma Susan
Rachmi, Cut Novianti
Powiązania:
https://bibliotekanauki.pl/articles/1166079.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Apolipoprotein A1
Cocos nucifera
Indonesia
LDL-c/HDL-c ratio
coconut oil
profil lipid
Opis:
Coconut oil is a source of fat which still sparks controversies when it comes to function. Some stated it can worsen lipid profile which then play an important role as a risk factor of cardiovascular disease. This cross sectional study was conducted in Indonesia involving 57 participants who used coconut oil as a predominant source of fat. Body mass index, physical activity and dietary intake were considered as subject characteristics. Serum concentrations of total cholesterol, triglyceride, LDL-c, HDL-c were determined by using the enzymatic method and Apo A1 were determined by using immunoturbidometry method. Result implied normal range of lipid profile and 78.95% of the subjects have optimal LDL-c/HDL-c ratio. Majority of the subjects (61.4%) have acceptable level of Apo A1, it showed that they have good HDL-c level. These results are consistent with other studies that support beneficial effect of coconut oil on lipid profile.
Źródło:
World Scientific News; 2018, 106; 131-140
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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