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Wyświetlanie 1-15 z 21
Tytuł:
Immunosuppressive influence of Anguillid herpesvirus-1 (AngHV-1) infection on cellular defense mechanisms in European eel (Anguilla anguilla)
Autorzy:
Schulz, P.
Deperasińska, I.
Kaczorek-Łukowska, E.
Siwicki, A.K.
Powiązania:
https://bibliotekanauki.pl/articles/2087405.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
alloherpesviruses
cellular immunity
immunosuppression
innate immunity
Źródło:
Polish Journal of Veterinary Sciences; 2019, 4; 785-787
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Local immunity of the respiratory mucosal system in chickens and turkeys
Autorzy:
Smialek, M.
Tykalowski, B.
Stenzel, T.
Koncicki, A.
Powiązania:
https://bibliotekanauki.pl/articles/31146.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
local immunity
respiratory system
mucosal immunity
chicken
turkey
bird
pathological condition
Opis:
This review article presents fundamental mechanisms of the local mucosal immunity in selected regions of the respiratory tract in healthy birds and in some pathological conditions. The respiratory system, whose mucosa come into direct contact with microorganisms contaminating inhaled air, has some associated structures, such as Harderian gland (HG), conjunctive-associated lymphoid tissue (CALT) and paranasal glands (PG), whose participation in local mechanisms of the mucosal immunity has been corroborated by numerous scientific studies. The nasal mucosa, with structured clusters of lymphoid tissue (NALT – nasal-associated lymphoid tissue) is the first to come into contact with microorganisms which contaminate inhaled air. Lymphoid nodules, made up of B cells with frequently developed germinal centres (GC), surrounded by a coat of CD4+ cells, are the major NALT structures in chickens, whereas CD8+ cells are situated in the epithelium and in the lamina propria of the nasal cavity mucosa. Studies into respiratory system infections (e.g. Mycoplasma gallisepticum) have shown the reactivity of the tracheal mucosa to infection, despite a lack of essential lymphoid tissue. Bronchus-associated lymphoid tissue (BALT) takes part in bronchial immune processes and its structure, topography and ability to perform defensive function in birds is largely age-dependent. Mature BALT is covered by a delicate layer of epithelial cells, called follicle-associated epithelium (FAE). Germinal centres (GC), surrounded by CD4+ cells are developed in most mature BALT nodules, while CD8+ lymphocytes are dispersed among lymphoid nodules and in the epithelium, and they are rarely present in GC. Macrophages make up the first line of defence mechanisms through which the host rapidly responds to microorganisms and their products in the respiratory mucosal system. Another very important element are polymorphonuclear cells, with heterophils being the most important of them. Phagocytic cells obtained from lung lavages in birds are referred to as FARM (free avian respiratory macrophages). Their number in chickens and turkeys is estimated to be 20 times lower than that in mice and rats, which indicates a deficit in the first-line of defence in the birds’ respiratory system. There are numerous B cells and antibody secreting cells (ASC) present throughout the respiratory system in birds. Their role comes down to perform antigen-specific protection by producing antibodies (IgM, IgY or IgA class) as a result of contact with pathogenic factors.
Źródło:
Polish Journal of Veterinary Sciences; 2011, 14, 2
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Does increased immune response at early postpartum period have a relationship with metabolic markers and subsequent fertility?
Autorzy:
Yazlik, M.O.
Çolakoğlu, H.E.
Kaya, U.
Küplülü, Ş.
Vural, M.R.
Powiązania:
https://bibliotekanauki.pl/articles/2087342.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cow
immunity
fertility
metabolites
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 1; 27-35
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Guarding the gates: stomatal responses to pathogens
Autorzy:
Bourdais, G.
Zhou, J.
Robatzek, S.
Powiązania:
https://bibliotekanauki.pl/articles/79964.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
stomatal response
pathogen
plasma membrane
FLS2 receptor
plant immunity
flagellin
stomatal immunity
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modulation of lymphocyte subsets and humoral immune response by florfenicol administered to sheep red blood cell-immunized broiler chickens
Autorzy:
Lis, M.
Szczypka, M.
Suszko-Pawłowska, A.
Świtała, M.
Pawłowski, P.
Obmińska-Mrukowicz, B.
Powiązania:
https://bibliotekanauki.pl/articles/2087412.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
florfenicol
antibodies
bird
broilers
immunity
lymphocytes
Źródło:
Polish Journal of Veterinary Sciences; 2019, 4; 677-683
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The evaluation of selected parameters of cellular nonspecific immunity in normal and allergic horses
Autorzy:
Wilkolek, P.
Szczepanik, M.
Golynski, M.
Adamek, L.
Pomorska, A.
Maj-Martyniuk, M.
Sitkowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/31773.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
selected parameter
cellular immunity
non-specific immunity
healthy animal
diseased animal
allergy
horse
animal disease
phagocytosis
Opis:
The main aim of this study was to compare selected nonspecific immunity parameters in 14 allergic and 12 healthy horses. Each animal was assessed according to the following parameters: in vitro functional capacity of phagocytic cells using the nitro blue tetrazolium chloride reduction test, both spontaneous (NBT) and zymozan stimulated (NBTs), and ingestion capacity of phagocytic cells using a phagocytic index test (IF) and percentage of phagocytosing neutrophils activity (%KF). Differences were demonstrated between the group of allergic horses, especially with severe allergy symptoms, and healthy horses in NBTs values, with higher values in healthy horses. The values of the phagocytic index were significantly higher in horses with allergy.
Źródło:
Polish Journal of Veterinary Sciences; 2011, 14, 2
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Immunomodulating effect of Inter Yeast S on the non-specific and specific cellular and humoral immunity in lambs
Autorzy:
Malaczewska, J
Milewski, S.
Powiązania:
https://bibliotekanauki.pl/articles/30202.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
dietary supplement
Inter Yeast S dietary supplement
total protein level
lamb
immunomodulating effect
prebiotic
Saccharomyces cerevisiae
non-specific humoral immunity parameter
specific humoral immunity parameter
cellular immunity parameter
immunomodulation
Opis:
The objective of this study was to determine the stimulating effect of the Inter Yeast S dietary supplement on selected parameters of specific and non-specific humoral and cellular immunity in lambs. The study involved 32 lambs aged 30±3 days, divided into two equal groups: I - control, and II - experimental. Experimental group animals were fed a C-J concentrate mixed with a prebiotic, the Inter Yeast S, commercially available, containing dried brewer's yeast Saccharomyces cerevisiae in the amount of 3 g/kg of the concentrate. At the beginning of the experiment (day 0) and on the 15th, 30th and 60th day of the study, blood was sampled from the jugular vein to determine selected parameters of biochemical, specific and non-specific humoral and cellular immunity in lambs (total protein levels, gamma globulin levels, lysozyme activity, ceruloplasmin activity, proliferative response of blood lymphocytes (MTT) after stimulation with LPS or ConA, the metabolic activity (RBA) and potential killing activity (PKA) of phagocytes). As regards humoral immunity parameters, significantly higher gamma globulin levels and higher lysozyme and ceruloplasmin activity were found in blood serum of experimental lambs administered the Inter Yeast S, compared with those determined in control lambs not fed the supplement. No statistically significant differences in serum total protein were found between the control and experimental groups. An analysis of cellular immunity indicators revealed significantly higher levels of RBA and PKA, and higher proliferative response of blood lymphocytes (MTT) after stimulation with LPS and ConA in the experimental group, compared with those observed in the control group.
Źródło:
Polish Journal of Veterinary Sciences; 2010, 13, 1; 163-170
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of antibiotics on acquired immunity in vivo - current state of knowledge
Autorzy:
Pomorska-Mol, M.
Pejsak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/31788.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
antibiotic
acquired immunity
in vivo culture
knowledge
immunomodulation
Opis:
Antibiotics are widely used in the therapy of infections. Besides the respective interactions between antibiotics and pathogens it seems that antibiotics also directly interact with the immune system. Some commonly used antibiotics are currently known to have effects on the innate immune response, as shown by in vitro, ex vivo and also in vivo animal experiments and clinical studies. Most of the experimental papers published to date, as well as most reviews, relate to how antibiotics affect the innate immune response or non-specific monocyte or lymphocyte proliferation. However the effects of antibiotics on the adaptive immune response are still not well characterized. This review of the literature considering different in vivo experiments indicate the real importance of interrelations existing between acquired immune responses and antibiotics, however, the mechanism of immunomodulatory effects of antibiotics are still poorly understood. Currently, data on the immunomodulating effects of antibiotics often remain heterogeneous, contradictory or insufficient, but most results published to date revealed the immunosuppressive effect of antibiotics on the antigen- specific immune response in vivo. In pigs as well as in poultry herds, it is not uncommon practice to add antibiotics to drinking water or feed at the time of vaccination. Information on the effects of such practices on the immune system of animals is restricted and more in vivo studies are needed to investigate the effects of antimicrobial drugs on the immune system, especially in the field conditions.
Źródło:
Polish Journal of Veterinary Sciences; 2012, 15, 3
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Participation of interferon type I during canine parvovirus infection
Autorzy:
Reyes-Cruz, T.
Martínez-Gómez, D.
Verdugo-Rodríguez, A.
Bustos-Martínez, J.
López-Islas, J.
Méndez-Olvera, E.T.
Powiązania:
https://bibliotekanauki.pl/articles/2087108.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
canine parvovirus
antiviral immunity
IFNβ
viral pathogenesis
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 3; 375-384
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dietary supplementation with Lactobacillus plantarum and β-glucan affects immune parameters in the tench (Tinca tinca) fry
Autorzy:
Kazuń, B.
Małaczewska, J.
Kazuń, K.
Kamiński, R.
Żylińska-Urban, J.
Powiązania:
https://bibliotekanauki.pl/articles/2087258.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
aquaculture
synbiotic
Lactobacillus plantarum
innate immunity
tench fry
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 4; 611-618
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dietary supplementation with mannan oligosaccharide and clinoptilolite modulates innate and adaptive immune parameters of weaned pigs
Autorzy:
Valpotić, H.
Žura Žaja, I.
Samardžija, M.
Habrun, B.
Ostović, M.
Duricić, D.
Maćesić, N.
Mikulec, Z.
Kočila, P.
Sobiech, P.
Valpotić, I.
Vince, S.
Powiązania:
https://bibliotekanauki.pl/articles/2087763.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
mannan oligosaccharide
clinoptilolite
innate/adaptive immunity
weaned pigs
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 1; 83-93
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of porcine epidemic diarrhea virus infection on Toll-like receptor expression and cytokine levels in porcine intestinal epithelial cells
Autorzy:
Wang, F.
Wang, S.Q.
Wang, H.F.
Wu, Z.C.
Bao, W.B.
Wu, S.L.
Powiązania:
https://bibliotekanauki.pl/articles/2087351.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pig
porcine epidemic diarrhea virus
TLRs
innate immunity
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 1; 119-126
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Potential immune modulating properties and antioxidant activity of supplementing commercially available lactoferrin and/orLactobacillus sp. in healthy Ossimi lambs
Autorzy:
El-Ashker, M.
Risha, E.
Abdelhamid, F.
Ateya, A.
Powiązania:
https://bibliotekanauki.pl/articles/2087639.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
immunity
lactoferrin
lambs
redox status
probiotic
RT-PCR
sheep
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 4; 705-713
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of the GNSS Jamming in Real Environment
Autorzy:
Morong, Tomáš
Puričer, Pavel
Kovář, Pavel
Powiązania:
https://bibliotekanauki.pl/articles/963941.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
GNSS
GPS
jamming
test method
signal propagation
interference immunity
Opis:
GNSS systems are susceptible to radio interference despite then operating in a spread spectrum. The commerce jammers power up to 2 watts that can block the receiver function at a distance of up to 15 kilometers in free space. Two original methods for GNSS receiver testing were developed. The first method is based on the usage of a GNSS simulator for generation of the satellite signals and a vector signal RF generator for generating different types of interference signals. The second software radio method is based on a software GNSS simulator and a signal processing in Matlab. The receivers were tested for narrowband CW interference, FM modulated signal and chirp jamming signals, and scenarios. The signal to noise ratio usually drops down to 27 dBc-Hz while the jamming to signal ratio is different for different types of interference. The chirp signal is very effective. The jammer signal is well propagated in free space while in the real mobile urban and suburban environment it is usually strongly attenuated.
Źródło:
International Journal of Electronics and Telecommunications; 2019, 65, 1; 65-70
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effects of lack of movement in sows during pregnancy period on cortisol, acute phase proteins and lymphocytes proliferation level in piglets in early postnatal period
Autorzy:
Kulok, M.
Wojtas, K.
Ciorga, M.
Pejsak, Z.
Kołacz, R.
Powiązania:
https://bibliotekanauki.pl/articles/2087242.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
lack of movement
gestation crates
sows
stress
piglets
cortisol
acute phaseprotein
immunity
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 1; 85-92
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 21

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