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Wyszukujesz frazę "winnicka, M." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Evaluation of reticulated platelets in dogs with breed-related thrombocytopenia
    Autorzy:
    Zmigrodzka, M.
    Guzera, M.
    Winnicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/32313.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The aim of this study was to evaluate the percentage of reticulated platelets in healthy dogs with breed-related thrombocytopenia. Seventy two dogs, clinically healthy, were enrolled in the study. Blood was collected from the patients and anticoagulated with tripotassium ethylenediaminetetraacetic acid (K3-EDTA) and sodium citrate. Platelet count was obtained by an impedance haematology analyser and platelet morphology was evaluated by examination of blood smears. Patients were allocated into two groups. Group 1 consisted of 30 dogs with normal platelet count, whereas group 2 was composed of 42 dogs with thrombocytopenia. Thrombocytopenia was present in both K3-EDTA and citrate blood samples. Patients with thrombocytopenia were divided into two subgroups: the first subgroup included dogs with platelet count in K3-EDTA anticoagulated blood from 100 to 200 x10⁹/L, patients in the second subgroup had a platelet count of less than 100 x10⁹/L. The percentage of young reticulated platelets (RPs) labelled with thiazole orange, and the percentage of platelets coated with platelet surface-associated IgG, were determined in platelet-rich plasma (PRP) by a flow cytometer. The mean percentage of RPs in K3-EDTA and citrate PRP was significantly higher in dogs with thrombocytopenia than in dogs with normal platelet count. The mean percentage of RPs was significantly higher in citrate PRP than in K3-EDTA PRP in all groups. The results suggest that idiopathic, asymptomatic thrombocytopenia is not caused by platelet surface-associated IgG. Dogs with breed-related thrombocytopenia have a competent bone marrow.
    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:
    Flow cytometric assessment of activation of peripheral blood platelets in dogs with normal platelet count and asymptomatic thrombocytopenia
    Autorzy:
    Zmigrodzka, M.
    Guzera, M.
    Winnicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/31870.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Platelets play a crucial role in hemostasis. Their activation has not yet been evaluated in healthy dogs with a normal and low platelet count. The aim of this study was to determine the influence of activators on platelet activation in dogs with a normal platelet count and asymptomatic thrombocytopenia. 72 clinically healthy dogs were enrolled. Patients were allocated into three groups. Group 1 consisted of 30 dogs with a normal platelet count, group 2 included 22 dogs with a platelet count between 100 and 200×109/l and group 3 consisted of 20 dogs with a platelet count lower than 100×109/l. Platelet rich-plasma (PRP) was obtained from peripheral blood samples using tripotassium ethylenediaminetetraacetic acid (K3-EDTA) as anticoagulant. Next, platelets were stimulated using phorbol-12-myristate-13-acetate or thrombin, stabilized using procaine or left unstimulated. The expression of CD51 and CD41/CD61 was evaluated. Co-expression of CD41/CD61 and Annexin V served as a marker of platelet activation. The expression of CD41/CD61 and CD51 did not differ between the 3 groups. Thrombin-stimulated platelets had a significantly higher activity in dogs with a normal platelet count than in dogs with asymptomatic thrombocytopenia. Procaine inhibited platelet activity in all groups. In conclusion, activation of platelets of healthy dogs in vitro varied depending on the platelet count and platelet activator.
    Źródło:
    Polish Journal of Veterinary Sciences; 2016, 19, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of the influence of ADTA-K3 and sodium citrate on haematology analysis in healthy dogs
    Autorzy:
    Zmigrodzka, M.
    Winnicka, A.
    Guzera, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/32272.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The study was carried out on 30 clinically healthy dogs of various breeds. Haemoglobin concentration, haematocrit, platelet count and platelet haematocrit were significantly lower in citrate blood than in tripotassium ethylenediaminetetraacetic acid (EDTA-K3) blood. The study confirmed the limited usage of sodium citrate in haematology analysis, unless canine EDTA-dependent thrombocytopenia is suspected.
    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:
    Influence of chronic caprine arthritis-encephalitis virus infection on the population of peripheral blood leukocytes
    Autorzy:
    Kaba, J.
    Winnicka, A.
    Zaleska, M.
    Nowicki, M.
    Bagnicka, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/30735.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The influence of caprine arthritis-encephalitis (CAE) virus infection on the population of peripheral blood leukocytes in goats was evaluated. For this purpose two groups of adult dairy female goats were formed. The experimental group consisted of 17 goats, which had been naturally infected for many years. The control group comprised 29 non-infected goats, which originated from CAE-free herd. All goats were clinically healthy. Whole blood was collected and tested in hematological analyzer and light microscope to assess the total number of leukocytes and the percentage of four leukocyte populations - neutrophils, eosinophils, monocytes and lymphocytes. Then, flow cytometry with monoclonal antibodies against several surface antigens (namely CD14, CD2, B-B2, CD4, CD8h, TCR-N6, WC1-N2 and WC1-N3) was performed to assess the proportion of lymphocyte subpopulations. Statistically significant differences (α ≤ 0.01) were observed only in the subpopulations of T lymphocytes - percentage of all subpopulations were significantly higher in the group of seropositive goats. No statistically significant differences were revealed with respect to the total number of blood leukocytes, the average percentage of blood leukocyte populations and proportions of both T and B lymphocytes.
    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:
    Reference intervals for selected hematological and biochemical variables in Hucul horses
    Autorzy:
    Cywinska, A.
    Czopowicz, M.
    Witkowski, L.
    Gorecka, R.
    Degorski, A.
    Guzera, M.
    Szczubelek, P.
    Turlo, A.
    Schollenberger, A.
    Winnicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/30660.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Background: Hucul horses are the unique, genetically distinct breed of Carpathian Mountains. Even though they are recognized as primitive breed, many morphological differences between them and other primitive horses have been reported. Neither hematological nor blood biochemical studies in this breed have been conducted so far. Objectives: The aim of this study was to establish the reference intervals for basic hematological and selected biochemical variables and to compare them with other breeds. Material and Methods: Blood samples were collected from 168 Hucul horses and the analyses were performed using routine methods. Mainly nonparametric method was used to establish reference intervals. Results: The following reference intervals have been established (rounded to two significant digits): RBC: 7.0-13x1012/l; HGB: 106.1-195.8 g/l; HCT: 0.3-0.6 l/l; MCV: 35-50 fl; MCH 11.9-17.1 pg; MCHC: 31.9-34.8 g/dl; WBC: 7.5-22x109/l, bands: 0-0.5x109/l; segmented neutrophils: 3.3-10x109/l; eosinophils: 0-1.1x109/l; basophils: 0-0.3x109/l; lymphocytes: 1.9-12x109/l; monocytes: 0-0.2x109/l; PLT 95-350x109/l; MPV 5.2-7.0; ALP: 98-425 U/l; AST: 220-470 U/l; GGT: 9.1-31 U/l; total bilirubin: 6.5-29 μmol/l; CPK: 120-640 U/l; triglycerides: 0.1-0.9 mmol/l; urea: 3.8-11 mmol/l; creatinine: 44 -140 μmol/l; serum amyloid A: 130-5200 μg/l. Conclusions: Hematological and biochemical variables in Hucul horses were closer to hot-blooded then to cold-blooded and primitive horses or wild equidae. The reference intervals presented in this study pose clinically useful tool for evaluation of blood check-up in Hucul horses.
    Źródło:
    Polish Journal of Veterinary Sciences; 2015, 18, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of T-2 toxin on percentages of CD4plus, CD8plus, CD4plusCD8plus and CD21plus lymphocytes, and mRNA expression levels of selected cytokines in porcine ileal Peyer’s patches
    Autorzy:
    Obremski, K.
    Podlasz, P.
    Zmigrodzka, M.
    Winnicka, A.
    Wozny, M.
    Brzuzan, P.
    Jakimiuk, E.
    Wojtacha, P.
    Gajecka, M.
    Zielonka, L.
    Gajecki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/30985.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The immune system is one of the main toxicity targets of the T-2 toxin. In view of scant research data demonstrating the effect of T-2 on cellular and humoral responses in gut-associated lymphoid tissue (GALT), this study set out to investigate the effects of chronic exposure to low doses of the T-2 toxin (200 μg T-2 toxin kg⁻¹ feed) on percentages of CD4⁺ and CD8⁺ T lymphocytes, CD4⁺/CD8⁺ double-positive T lymphocytes, CD21⁺ B cells, and IL-2, IFN-γ, IL-4 and IL-10 mRNA expression levels in porcine ileal Peyer’s patches. The investigated material comprised ileum sections sampled from piglets (aged 8-10 weeks, body weight of 15-18 kg) on days 14, 28 and 42 of the experiment. After 42 days of exposure to T-2, a significant drop in the quantity of the IL-10 product was observed (R=0.94; S.E. 0.49-0.79; p<0.001). A gradual decrease in the amount of IL-4 and IFN-γ cytokine transcripts was found throughout the experiment, but the reported trend was not significant. On experimental days 14 and 42, a significant increase in the percentage of CD8⁺ T lymphocytes was observed in comparison with the control (p=0.04 and p=0.05, respectively), whereas on day 28, a significant decrease in the percentage of the above subpopulation was noted (p=0.00). The percentage of CD21⁺ B cells in the experimental group decreased steadily in comparison with the control, and the observed drop was significant on days 28 and 42 (p=0.06 and p=0.00, respectively). On days 14 and 28, the percentages of CD4⁺ and CD8⁺ T lymphocytes were lower in the experimental animals than in the control group, and the drop reported on day 28 was statistically significant (p=0.03).
    Źródło:
    Polish Journal of Veterinary Sciences; 2013, 16, 2
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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