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Dynamics and quantitative analyses of monospecific antibody during the primary and secondary humoral responses were determined in outbred rabbits and in the F1 generation of breeding with siblings. The antibody response in rabbits immunized with Keyhole Limpet Hemocyanin (KLH) was studied during a 4-month immunization period. ELISA determination of anti-KLH Ig and anti-KLH IgG alone, in preimmune and immune rabbit sera, was performed. Antibody response in both groups of rabbits was similar when assessed by anti-rabbit Ig but displayed differences when assessed by anti-rabbit IgG. A statistically significant increase in anti-KLH IgG was observed in the F1 inbred rabbits compared to the control group after primary immunization from days 14 to 35. Immunomodulation also elicited differences in the antibody response in the two groups of animals. C3-binding glycoprotein isolated from Cuscuta europea (C3bgp), applied simultaneously with antigen (KLH), produced a much stronger secondary immune response than the antigen alone, in both experimental groups. The enhancement of anti-KLH Ig in C3bgp-treated inbred rabbits was statistically significant in comparison with nontreated inbred rabbits. A significant increase in anti-KLH IgG was observed only for the inbred group after treatment with C3bgp. The results demonstrate that the F1 generation of breeding with sibling leads to significant differences in antibody responses to immunization compared with outbred rabbits, as well as to immunomodulation with C3bgp. 相似文献
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Cornelia Adlhoch Aleksandra Miteva Anna Zdravkova Tihana Miki Draen Kneevic Sokratis Perdikaris Krzysztof
mietanka Edyta
wito Vilem Kopriva Martin Chudý Luis Jose Romero Gonzlez Ines Moreno Gil Annica Walln Norell Frank Verdonck 《Zoonoses and public health》2019,66(7):874-878
We estimated that more than 11,000 people were exposed to highly pathogenic avian influenza viruses in EU/EEA countries over the outbreak period October 2016–September 2018 by cross‐linking data submitted by Member States to European Food Safety Authority and EMPRES‐i. A stronger framework for collecting human exposure data is required. 相似文献
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aterina Vackova Darko Bosnakovski Bodil Bjrndal Penka Yonkova Natalia Grigorova Zhenya Ivanova Georgi Penchev Galina Simeonova Lyuba Miteva Anelya Milanova Tatyana Vachkova Spaska Stanilova Ivan Penchev Georgiev 《Journal of animal physiology and animal nutrition》2019,103(3):925-934
Adipose‐derived stem cells (ADSCs) possess multipotent properties, and their proper functionality is essential for further development of metabolic disorders. In the current study, we explored the impact of two n‐3 LC‐PUFAs (long‐chain polyunsaturated fatty acids, DHA—docosahexaenoic; C22:6, and EPA—eicosapentaenoic; C20:5) on a specific profile of lipolytic‐related gene expressions in the in vitro‐differentiated subcutaneous and visceral ADSCs from rabbits. The subcutaneous and visceral ADSCs were obtained from 28‐day‐old New Zealand rabbits. The primary cells were cultured up to passage 4 and were induced for adipogenic differentiation. Thereafter, the differentiated cells were treated with 100 µg EPA or DHA for 48 hr. The total mRNA was isolated and target genes expression evaluated by real‐time RCR. The results demonstrated that treatment of rabbit ADSCs with n‐3 PUFAs significantly enhanced mRNA expression of Perilipin A, while the upregulation of leptin and Rab18 genes was seen mainly in ADSCs from visceral adipose tissue. Moreover, the EPA significantly enhanced PEDF (Pigment Derived Epithelium Factor) mRNA expression only in visceral cells. Collectively, the results suggest activation of an additional lipolysis pathway most evident in visceral cells. The data obtained in our study indicate that in vitro EPA up‐regulates the mRNA expression of the studied lipolysis‐associated genes stronger than DHA mainly in visceral rabbit ADSCs. 相似文献
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