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    Wyświetlanie 1-7 z 7
    Tytuł:
    The effects of prenatal exposure to methylxanthines
    Autorzy:
    Skopinski, P.
    Woronkowicz, M.
    Skopinska-Rozewska, E.
    Siwicki, A.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/31027.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    This review discusses epidemiology and laboratory studies on the effects of prenatal methylxanthine administration on some systems developing organisms. They are mainly absorbed from coffee, tea and cocoa products such as cola beverages and chocolate bars. Prenatal methylxanthine exposure can induce several unfavourables changes in the developing organism, which are persistent even in later phases of life. Based on results obtained from animal studies, the effect on embryogenesis is not only poorly understood but also controversial. It is therefore important to study interspecies differences as results may differ depending on animals used and administration methods.
    Źródło:
    Polish Journal of Veterinary Sciences; 2011, 14, 4
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biological effects of conjugated linoleic acids supplementation
    Autorzy:
    Oleszczuk, J.
    Oleszczuk, L.
    Siwicki, A.K.
    Skopinska-Rozewska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/32126.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Conjugated linoleic acids (CLA) are a group of polyunsaturated fatty acids (PUFA) with a single pair of conjugated double bonds. The major natural CLA isomer is 18:2 cis-9, trans-11 (c9, t11) linoleic acid, or rumenic acid (RA). Chemically synthesized CLA is also available, mostly as a mixture of RA and 18:2 trans-10, cis-12 (t10, c12) isomers in equal amounts (50:50). Consumption of ruminant meat (beef and lamb) and dairy products (milk and cheese) is the main source of dietary exposure to CLA. Despite numerous studies on animal and human models (tumorigenesis, obesity, immune response) it has not been established whether additional supplementation of CLA is of benefit. Moreover, some studies, conducted both in animals and in humans, reveal that CLA isomers may induce insulin resistance. Presently, balanced diet rich in CLA from natural sources is recommended. The purpose of this review was to sum up the results available in the literature.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In vivo inhibitory effect of Aloe vera gel on the ability of mouse parental splenic lymphocytes to induce cutaneous angiogenesis in recipient F1 mice
    Autorzy:
    Skopinski, P.
    Lewicki, S.
    Balan, B.J.
    Kocik, J.
    Zdanowski, R.
    Skopinska-Rozewska, E.
    Siwicki, A.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/30546.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Lymphocyte-induced angiogenesis test (LIA) is a model of local graft-versus-host (GVH) reaction, marker of the earliest events resulting from activation of donor lymphocytes after contact with host semi-allogeneic histocompatibility antigens. The effect of in vivo oral administration of Aloe vera gel for 21 days to maternal strain (Balb/c) donor mice on the ability of their splenic lymphocytes to induce cutaneous angiogenesis (LIA test) in F1 Balb/c x C3H recipients, was studied. Results: Neovascular reaction evaluated 72 hours after cells grafting was significantly lower in F1 mice grafted with lymphocytes collected from Aloe- fed donors, than in recipients of lymphocytes collected from respective controls. Conclusions: This observation opens the promise of safe and ethically acceptable possibility of use of Aloe vera gel in human donors in prevention of GVHD in recipients of bone marrow grafts.
    Źródło:
    Polish Journal of Veterinary Sciences; 2014, 17, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphometric abnormalities in spleen and kidney of the progeny of mice fed American cranberry extract (Vaccinium macrocarpon) during pregnancy and lactation
    Autorzy:
    Balan, B.J.
    Lewicki, S.
    Siwicki, A.K.
    Stelmasiak, M.
    Skopinski, P.
    Skopinska-Rozewska, E.
    Wasiutynski, A.
    Zdanowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/30729.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Cranberries and cranberry-derived diet supplements are often recommended for the treatment of urinary tract infections, also during pregnancy. These products contain strongly anti-angiogenic chemical compounds which could not be indifferent to the developing fetus. In the present work we evaluated the effect of feeding pregnant and lactating mice American cranberry extract (daily dose 0.88 mg) on the morphology and some parameters of spleen and kidney function of their adult progeny. Six weeks after delivery the morphometry of spleen and kidney, cytometric analysis of spleen lymphocytes, evaluation of humoral response to SRBC (Sheep Red Blood Cells), and examination of serum creatinine/urea concentration, were performed in the offspring. Spleens of progeny from experimental (E) group differed from the spleens of progeny of control mice in the lower number of lymphatic nodules and their larger diameter. Cytometry of spleen cells from progeny of E mothers revealed more CD19⁺ and CD8⁺ lymphocytes than in the control group. No difference was seen in the response to immunization by red blood cells of sheep (SRBC) between control and E offspring. An increase in the diameter of glomeruli was observed in the kidneys of the experimental group in comparison with the control group. No abnormalities in creatinine and urea serum level were observed. A higher concentration of VEGF and bFGF in E offspring sera in comparison to the controls was seen. Conclusion: Although the observed differences between the control and experimental group were not large, caution is recommended in using cranberries and their extracts during pregnancy until more research will be done on this topic.
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 20, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spleen content of selected polyphenols, splenocytes morphology and function in mice fed Rhodiola kirilowii extracts during pregnancy and lactation
    Autorzy:
    Lewicki, S.
    Stankiewicz, W.
    Skopinska-Rozewska, E.
    Wilczak, J.
    Lesniak, M.
    Suska, M.
    Siwicki, A.K.
    Skopinski, P.
    Zdanowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/31572.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The genus Rhodiola (Crassulaceae) consists of many species, growing mainly in Asia and traditionally used as adaptogens and anti-inflammatory drugs. In order to elaborate herbal immunostimulator which could be safely given to pregnant women, we performed a study on immunotropic effects of feeding pregnant and lactating mice Rhodiola kirilowii extracts. This paper presents the results of the first part of our study – spleen content of selected polyphenols, spleen cellularity, splenocytes phenotype and their response to mitogens. Experiments were performed on adult inbred females of Balb/c strain, mated with adult males. Females, since copulatory plug was noted, up to the 28-th day after delivery were fed daily with 20 mg/kg b.m. water (RKW) or hydro- lcoholic (RKW-A) extracts of Rhodiola kirilowii. Results: 1. Significantly lower proportion of pregnant mice in experimental groups than in the control. 2. Cellularity of spleen and flavonol quercetin spleen concentration were significantly lower in experimental groups in comparison to the controls. 3. Flavanols ( (+)-catechin and epicatechin) levels were significantly higher in the spleens of experimental mice than in the controls. 4. Positive correlation between spleen cellularity and quercetin, and negative correlation between spleen cellularity and epicatechin content were observed. 5. Spleen mass and spleen lymphocytes phenotype and proliferation in RKW and RKW-A fed mice did not differ from the control. These results, together with suspicion of some embryo- oxicity, are worrying and eliminate the possibility of use Rhodiola kirilowii extracts for long-term treatment in pregnant females.
    Źródło:
    Polish Journal of Veterinary Sciences; 2015, 18, 4
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Suppressive effect of electromagnetic field on analgesic activity of tramadol in rats
    Autorzy:
    Bodera, P.
    Stankiewicz, W.
    Antkowiak, B.
    Paluch, M.
    Kieliszek, J.
    Sobiech, J.
    Zdanowski, R.
    Wojdas, A.
    Siwicki, A.K.
    Skopinska-Rozewska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/32288.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    suppressive effect
    electromagnetic field
    analgesic activity
    tramadol
    rat
    analgesic effect
    pain perception
    Opis:
    The electromagnetic fields (EMFs) have been shown to alter animal and human behavior, such as directional orientation, learning, pain perception (nociception or analgesia) and anxiety-related behaviors. The aim of this study was to evaluate the influence of electromagnetic fields of high-frequency microwaves on pain perception and anti-nociceptive activity of tramadol (TRAM) - analgetic effective in the treatment of moderate to severe acute and chronic pain states. Electromagnetic fields exposures of a) 1500 MHz frequency and b) modulated, 1800 MHz (which is identical to that generated by mobile phones) were applied. Paw withdrawal latency (PWL) to thermal stimulus was measured in vehicle or tramadol (TRAM) treated animals before and after 30, 60 and 90 minutes from injections. The differences in the level of pain (PWL) between control group and rats exposed to EMF alone in three measurements, were not observed. Tramadol alone significantly increased PWLs to thermal stimulus in comparison to vehicle results at 30 (p < 0.001) and 60 minutes (p < 0.05) after drug injection. EMF exposure of both frequencies transiently suppressed analgesic effect of tramadol, significantly reducing paw withdrawal latency in animals treated with this drug at 30 minutes from the drug injection.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of undecanones and their derivatives on tumor angiogenesis and VEGF content
    Autorzy:
    Gibka, J
    Wasiutynski, A.
    Skopinska-Rozewska, E.
    Siwicki, A.K.
    Chorostowska-Wynimko, J.
    Sommer, E.
    Mazurkiewicz, M.
    Glinski, M.
    Skurzak, H.
    Wojcik, R.
    Jung, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/31734.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    mice
    mouse
    undecan-x-one
    derivative
    angiogenesis
    tumour
    VEGF zob.vascular endothelial growth factor
    enantiomer
    histological examination
    vascular endothelial growth factor
    sarcoma cell
    Opis:
    The in vivo effects of some derivatives of aliphatic ketones (2-undecanone, 3-undecanone, 4-undecanone and their derivatives) on L-l sarcoma tumor angiogenesis and VEGF content were studied in Balb/c mice. Mice that inhaled 10% solution of 3-undecanone(3-on) or 1% solution of 2-undecanone propylene acetal (Acpr2) for 3 days after tumor cells implantation, presented lower neovascular response measured by tumor-induced cutaneous angiogenesis test (TIA) and lower tumor VEGF content in 5-days tumors, than non-inhaled controls. Other substances presented various effects on tumor VEGF concentration and angiogenesis. Histological examination of lesions collected from mice inhaled Acpr2, or non-inhaled controls, revealed small diffused areas of necrosis in the former group. In both groups, slight to moderate inflammatory infiltrations were seen at the tumor's margin. In Acpr2 group, there were less small blood vessels at tumor's margin than in the control group.
    Źródło:
    Polish Journal of Veterinary Sciences; 2010, 13, 1; 105-115
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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