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    Wyświetlanie 1-7 z 7
    Tytuł:
    Comparison of two commercial ELISA kits for serological monitoring of avian encephalomyelitis in a reproductive turkey flock
    Autorzy:
    Śmiałek, M.
    Kowalczyk, J.
    Ogonowska-Woźniak, B.
    Koncicki, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/16647389.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    reproductive turkey flock
    ELISA
    avian encephalomyelitis virus
    serological monitoring
    Opis:
    Avian encephalomyelitis (AE) is a viral disease of poultry. Although the disease has a milder clinical course in turkeys than in chickens, reproductive flocks of turkeys are vaccinated against AE. Commercial AE ELISA kits are specifically designed for chickens, which makes it difficult to implement these tests in serological monitoring of turkey flocks. The aim of the study was to compare the AE serological results provided by two ELISA kits from different producers when testing an AE-vaccinated flock of turkey hens and their progeny. We detected differences in the sensitivity of the ELISAs for testing specific anti-AE antibody levels in turkey serum samples.
    Źródło:
    Polish Journal of Veterinary Sciences; 2022, 25, 4; 621-624
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Differentiation of infectious bronchitis virus vaccine strains Ma5 and 4/91 by TaqMan real-time PCR
    Autorzy:
    Śmiałek, M.
    Stenzel, T.
    Dziewulska, D.
    Tykałowski, B.
    Kowalczyk, J.
    Koncicki, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087893.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Źródło:
    Polish Journal of Veterinary Sciences; 2017, 3; 599-601
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of Lactobacillus spp. and yeast based probiotic (Lavipan) supplementation for the reduction of Salmonella Enteritidis after infection of broiler chickens
    Autorzy:
    Smialek, M.
    Kaczorek, E.
    Szczucińska, E.
    Burchardt, S.
    Kowalczyk, J.
    Tykałowski, B.
    Koncicki, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087578.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    chicken
    probiotic
    Salmonella Enteritidis
    serological response
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 1; 5-10
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in the quality of meat from roe deer (Capreolus capreolus L.) bucks during cold storage under vacuum and modified atmosphere
    Autorzy:
    Daszkiewicz, T.
    Kondratowicz, J.
    Koba-Kowalczyk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/30486.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    This paper analyses changes in the quality of meat (M. longissimus dorsi) of roe deer bucks during 21 days of cold storage (2℃) under vacuum and modified atmosphere (MA) conditions (40% CO₂/60% N₂ and 60% CO₂/40% N₂). After 21 days of storage, meat packaged in a MA with 40% CO₂ had higher (P ≤ 0.05) L*, a*, b* and C* values in comparison with meat stored under vacuum and MA with 60% CO₂. The mean pH and TBARS values of meat packaged under vacuum and a MA with 40% CO₂ were increasing for the first 7 days of storage, and then they decreased (P ≤ 0.05). Following storage, the colour of meat became lighter (L*) and more yellow (b*). The meat stored under vacuum was characterised by increased (P ≤ 0.05) cooking loss. During meat storage, a significant increase (P ≤ 0.05) in total microbial counts and psychrotrophic bacteria was observed.
    Źródło:
    Polish Journal of Veterinary Sciences; 2011, 14, 3
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growth factor and cytokine interactions in myogenesis Part I The effect of TNF-alpha and IFN gamma on IGF-I-dependent differentiation in mouse C2C12 myogenic cells
    Autorzy:
    Wieteska-Skrzeczynska, W.
    Grzelkowska-Kowalczyk, K.
    Tokarska, J.
    Grabiec, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/32459.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The aim of this study was to examine the potential interactions of IGF-I with TNF-α and IFN-γ with regard to regulation of the myogenesis and proliferative potential of mouse C2C12 myoblasts. The stimulation of myogenesis by IGF-I (30 nmol/l) was manifested by an enhanced myoblast fusion and expression of myosin heavy chain (MHC) during the first 3 days of differentiation. IGF-I-dependent fusion and MHC expression was reduced by TNF-α and IFN-γ. Both cytokines prevented the stimulatory effect of IGF-I on MyoD expression with minor modification of the myogenin level. Both TNF-α and IFN-γ activated the expression of cyclin A in myoblasts restimulated to proliferation; however, when used in combination with IGF-I these cytokines prevented the rise in cyclin A induced by growth factor. In conclusion: i) TNF-α and IFN-γ reduce IGF-I-dependent myogenesis which was manifested by the reduction of myoblast fusion and MHC cellular levels, ii) Molecular mechanisms of inhibitory action of TNF-α and IFN-γ on IGF-I-mediated differentiation involve a decrease in MyoD whereas myogenin level plays a minor role, iii) TNF-α and IFN-γ increase the proliferative potential of myoblasts; however, they reduced the mitogenic effect of IGF-I, manifested by a decrease of IGF-I-stimulated cyclin A expression in myoblasts reinduced to proliferation. Interactions among IGF-I and proinflammatory cytokines are therefore important to establish a number of myoblasts and the onset of myogenesis during muscle regeneration.
    Źródło:
    Polish Journal of Veterinary Sciences; 2011, 14, 3
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Interleukin-1beta stimulates early myogenesis of mouse C2C12 myoblasts: the impact on myogenic regulatory factors, extracellular matrix components, IGF binding proteins and protein kinases
    Autorzy:
    Grabiec, K.
    Tokarska, J.
    Milewska, M.
    Blaszczyk, M.
    Gajewska, M.
    Grzelkowska-Kowalczyk, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/30341.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The purpose of the study was to examine the mechanisms important for early myogenesis in mouse C2C12 myogenic cells exposed to interleukin-1β. Cyclin A and cyclin B1 were increased by interleukin-1β (1 ng/ml), but the level of cyclin D1 and total DNA content was unaffected. Fusion index and the rate of protein synthesis was increased in the presence of IL-1β, but these effects were limited to 3-day-treatment. IL-1β increased the level of MyoD, myogenin and MHC on the 3rd day of differentiation, without altering the content of the active form of myostatin, as well as it augmented the level of fibronectin, integrin β1 and full length 100 kDa form of ADAM12. IL-1β caused a decrease in IGFBP-4 and IGFBP-6 levels and a marked increase in IGFBP-5. The phosphorylation of PKB and ERK1/2 and the cellular content of p38 were elevated by IL-1β. We conclude that the myogenic effect of IL-1β was limited to the onset of myoblast fusion and was associated with: i) increase in the level of myogenic transcription factors i.e. MyoD and myogenin expression, ii) modification of extracellular matrix assembly and signaling, manifested by an increase in fibronectin, integrin-β1 and ADAM12 content, iii) drop in IGFBP-4 and IGFBP-6, and an increase in IGFBP-5, that could alter the local IGF-1 bioavailability, and iv) increase in phosphorylation of PKB and ERK1/2, and the expression of p38 kinase, leading to activation of intracellular pathways essential for myogenic differentiation.
    Źródło:
    Polish Journal of Veterinary Sciences; 2013, 16, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tumor necrosis factor - Alpha alters integrins and metalloprotease ADAM12 levels and signaling in differentiating myoblasts
    Autorzy:
    Grzelkowska-Kowalczyk, K.
    Tokarska, J.
    Grabiec, K.
    Gajewska, M.
    Milewska, M.
    Blaszczyk, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/31937.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The extracellular matrix (ECM) is important in the regulation of myogenesis. We hypothesized that tumor necrosis factor-α (TNF-α) modifies ECM during differentiation of mouse C2C12 myoblasts. Exogenous TNF-α (1 ng/ml) stimulated myoblast fusion on the 3rd day (by 160% vs control) but not on the 5th day of myogenesis. The level of integrin α5 was significantly augmented by TNF-α during 5 day-differentiation; however, integrin β1 was higher than control only on the 3rd day of cytokine treatment. Both the abundance of integrin α5 bound to actin and the level of integrin β1 complexed with integrin α5 increased in the presence of TNF-α, especially on the 3rd day of differentiation. Similarly, the stimulatory effects of TNF-α on integrin α3, metalloprotease ADAM12 and kinases related to integrins, FAK and ILK, were limited to the 3rd day of differentiation. We concluded that TNF-α-induced changes in ECM components in differentiating myogenic cells, i.e. i) increased expression of integrin α5, β1, α3, and metalloprotease ADAM12, ii) enhanced formation of α5β1 integrin receptors and interaction of integrin α5-cytoskeleton, and iii) increased expression of kinases associated with integrin signaling, FAK and ILK, were temporarily associated with the onset of myocyte fusion.
    Źródło:
    Polish Journal of Veterinary Sciences; 2016, 19, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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