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Chicken Immunology

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https://www.readbyqxmd.com/read/28100167/conserved-gene-expression-in-sperm-reservoirs-between-birds-and-mammals-in-response-to-mating
#1
Mohammad Atikuzzaman, Manuel Alvarez-Rodriguez, Alejandro Vicente Carrillo, Martin Johnsson, Dominic Wright, Heriberto Rodriguez-Martinez
BACKGROUND: Spermatozoa are stored in the oviductal functional sperm reservoir in animals with internal fertilization, including zoologically distant classes such as pigs or poultry. They are held fertile in the reservoir for times ranging from a couple of days (in pigs), to several weeks (in chickens), before they are gradually released to fertilize the newly ovulated eggs. It is currently unknown whether females from these species share conserved mechanisms to tolerate such a lengthy presence of immunologically-foreign spermatozoa...
January 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28098886/novel-zinc-phthalocyanine-as-a-promising-photosensitizer-for-photodynamic-treatment-of-esophageal-cancer
#2
Weronika Kuzyniak, Jacob Schmidt, Wojciech Glac, Janine Berkholz, Gustav Steinemann, Björn Hoffmann, Eugeny A Ermilov, Ayşe Gül Gürek, Vefa Ahsen, Bianca Nitzsche, Michael Höpfner
Photodynamic therapy (PDT) has gathered much attention in the field of cancer treatment and is increasingly used as an alternative solution for esophageal cancer therapy. However, there is a constant need for improving the effectiveness and tolerability of the applied photosensitizers (PS). Here, we propose tetra-triethyleneoxysulfonyl substituted zinc phthalocyanine (ZnPc) as a promising PS for photodynamic treatment of esophageal cancer. ZnPc-induced phototoxicity was studied in two human esophageal cancer cell lines: OE-33 (adenocarcinoma) and Kyse-140 (squamous cell carcinoma)...
January 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28063704/immunization-with-salmonella-enteritidis-secreting-mucosal-adjuvant-labile-toxin-confers-protection-against-wild-type-challenge-via-augmentation-of-cd3-cd4-t-cell-proliferation-and-enhancement-of-ifn-%C3%AE-il-6-and-il-10-expressions-in-chicken
#3
Jonathan Lalsiamthara, John Hwa Lee
The protective efficacy and immunological profiles of chickens immunized with an attenuated Salmonella Enteritidis (SE) constitutively secreting double mutant heat labile enterotoxin (dmLT) were investigated. The dmLT is a detoxified variant of Escherichia coli heat labile toxin and is a potent mucosal adjuvant capable of inducing both humoral and cell-mediated immunity. In this study, four-week-old chickens were inoculated with SE-dmLT strain JOL1641, parental SE strain JOL1087 or phosphate buffered saline control...
January 4, 2017: Vaccine
https://www.readbyqxmd.com/read/28061467/cytological-study-on-the-regulation-of-lymphocyte-homing-in-the-chicken-spleen-during-lps-stimulation
#4
Qian Zhang, Yasir Waqas, Ping Yang, Xuejing Sun, Yi Liu, Nisar Ahmed, Bing Chen, Quanfu Li, Lisi Hu, Yufei Huang, Hong Chen, Bing Hu, Qiusheng Chen
The immune function of the chicken spleen depends on its different compartments of red and white pulps, but little is known about the mechanism underlying lymphocyte homing towards the different compartments. In the present study, the role of lymphocyte homing in the chicken spleen was investigated during lipopolysaccharide (LPS) stimulation. Morphological analysis demonstrated the cuboidal endothelial cells of the splenic sheathed capillary facilitated the passage of lymphocyte homing to the chicken spleen...
January 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28057573/characterization-of-polysaccharides-extracted-from-platycodon-grandiflorus-jacq-a-dc-affecting-activation-of-chicken-peritoneal-macrophages
#5
Pimiao Zheng, Wentao Fan, Shenghua Wang, Pan Hao, Yang Wang, Huiyu Wan, Zhihui Hao, Jianzhu Liu, Xiaona Zhao
Polysaccharides were isolated from Platycodon grandiflorus (Jacq.) A.DC. (PG) and the effects of three polysaccharides (PGPS80, PGPS60, PGPSt) on their immunological activities were studied. The structure identification of PGPSs was assessed using physicochemical and spectral methods. Results showed that PGPSt(2.67×10(5)Da) compared to PGPS80(1.01×10(5)Da) and PGPS60(1.12×10(5)Da) has relatively higher average molecular weight(Mw) at the first peak with a narrower molecular weight distribution and all consisted of glucose, mannose, arabinose, galactose, xylose and rhamnose in different mass percentages...
January 2, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28010157/evaluation-of-immune-response-in-challenged-chickens-vaccinated-with-newcastle-disease-vaccine-using-gums-from-cedrela-odorata-and-khaya-senegalensis-as-delivery-agents
#6
V O Oyebanji, B O Emikpe, Omolade A Oladele, M O Odeniyi, A Salami, O I Osowole, O B Kasali, O A Akinboade
Immune response of challenged chickens following previous vaccinations with Newcastle disease vaccine using gums from Cedrela odorata and Khaya senegalensis as delivery agent were evaluated. Two hundred and fifty-two (252) one-day old chickens were divided into vaccine-gum oral (GVOR), vaccine-gum ocular (GVOC), vaccine oral (VOR), vaccine ocular (VOC), gum oral (GOR), gum ocular (GOC), No-gum-no-vaccine/challenged (NGNV/C) & No-gum-no-vaccine/unchallenged (NGNV/U) groups. They were vaccinated at days 21 & 42 and challenged at day 84...
December 23, 2016: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/27894330/marek-s-disease-in-chickens-a-review-with-focus-on-immunology
#7
REVIEW
Nitish Boodhoo, Angila Gurung, Shayan Sharif, Shahriar Behboudi
Marek's disease (MD), caused by Marek's disease virus (MDV), is a commercially important neoplastic disease of poultry which is only controlled by mass vaccination. Importantly, vaccines that can provide sterile immunity and inhibit virus transmission are lacking; such that vaccines are only capable of preventing neuropathy, oncogenic disease and immunosuppression, but are unable to prevent MDV transmission or infection, leading to emergence of increasingly virulent pathotypes. Hence, to address these issues, developing more efficacious vaccines that induce sterile immunity have become one of the important research goals for avian immunologists today...
November 28, 2016: Veterinary Research
https://www.readbyqxmd.com/read/27853585/domestication-and-tameness-brain-gene-expression-in-red-junglefowl-selected-for-less-fear-of-humans-suggests-effects-on-reproduction-and-immunology
#8
Johan Bélteky, Beatrix Agnvall, Martin Johnsson, Dominic Wright, Per Jensen
The domestication of animals has generated a set of phenotypic modifications, affecting behaviour, appearance, physiology and reproduction, which are consistent across a range of species. We hypothesized that some of these phenotypes could have evolved because of genetic correlation to tameness, an essential trait for successful domestication. Starting from an outbred population of red junglefowl, ancestor of all domestic chickens, we selected birds for either high or low fear of humans for five generations...
August 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27817787/-effect-of-montelukast-sodium-intervention-on-airway-remodeling-and-percentage-of-th17-cells-cd4-cd25-regulatory-t-cells-in-asthmatic-mice
#9
Li Li, Chun-Yan Lou, Min Li, Jian-Bo Zhang, Jie Chen
OBJECTIVE: To study the dynamic changes in the percentage of Th17 cells/CD4(+)CD25(+) regulatory T cells after intervention with montelukast sodium, a leukotriene receptor antagonist, in asthmatic mice and the association between them. METHODS: Balb/c mice were randomly divided into blank group, asthma group, and montelukast sodium group. The asthmatic mouse model of airway remodeling was established by sensitization with intraperitoneal injection of chicken ovalbumin (OVA) and aluminum hydroxide suspension and aerosol inhalation of OVA...
November 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27800150/immunoglobulin-detection-in-wild-birds-effectiveness-of-three-secondary-anti-avian-igy-antibodies-in-direct-elisas-in-41-avian-species
#10
Carol A Fassbinder-Orth, Travis E Wilcoxen, Tiffany Tran, Raoul K Boughton, Jeanne M Fair, Erik K Hofmeister, Jennifer L Grindstaff, Jen C Owen
Immunological reagents for wild, non-model species are limited or often non-existent for many species.In this study, we compare the reactivity of a new anti-passerine IgY secondary antibody with existing secondary antibodies developed for use with birds. Samples from 41 species from the following six avian orders were analysed: Anseriformes (1 family, 1 species), Columbiformes (1 family, 2 species), Galliformes (1 family, 1 species), Passeriformes (16 families, 34 species), Piciformes (1 family, 2 species) and Suliformes (1 family, 1 species)...
October 2016: Methods in Ecology and Evolution
https://www.readbyqxmd.com/read/27785128/virulence-associated-genes-deleted-salmonella-montevideo-is-attenuated-highly-immunogenic-and-confers-protection-against-virulent-challenge-in-chickens
#11
Jonathan Lalsiamthara, John H Lee
To construct a novel live vaccine against Salmonella enterica serovar Montevideo (SM) infection in chickens, two important bacterial regulatory genes, lon and cpxR, which are associated with invasion and virulence, were deleted from the wild type SM genome. Attenuated strains, JOL1625 (Δlon), JOL1597 (ΔcpxR), and JOL1599 (ΔlonΔcpxR) were thereby generated. Observations with scanning electron microscopy suggested that JOL1625 and JOL1599 cells showed increased ruffled surface which may be related to abundant extracellular polysaccharide (EPS) production...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27747653/in-vitro-immunological-and-biological-evaluations-of-the-angiogenic-potential-of-platelet-rich-fibrin-preparations-a-standardized-comparison-with-prp-preparations
#12
Mito Kobayashi, Tomoyuki Kawase, Kazuhiro Okuda, Larry F Wolff, Hiromasa Yoshie
BACKGROUND: Platelet-rich fibrin (PRF), a platelet-rich plasma (PRP) derivative mainly composed of fibrin networks, has been increasingly demonstrated to be effective in wound healing in clinical and pre-clinical animal studies. However, there has still been a concern that major growth factors may significantly be loss from PRF during its preparation through the slow clotting process. To address this concern, we compared the angiogenic potential of PRF and PRP by standardization of procedures based on volume ratios...
December 2015: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27692091/marek-s-disease-virus-immunosuppression-alters-host-cellular-responses-and-immune-gene-expression-in-the-skin-of-infected-chickens
#13
Mohammad Heidari, Dan Wang, Phillip Delekta, Shuhong Sun
Marek's disease virus (MDV), a highly cell-associated lymphotropic α-herpesvirus, is the causative agent of Marek's disease (MD) in domestic chickens. MDV replicates in chicken lymphocytes and establishes a latent infection within CD4(+) T cells. The latently infected CD4(+) T cells carry the virus to visceral organs, peripheral nerves, and feather follicle epithelium (FFE). FFE is the only anatomical site where infectious enveloped cell-free virus particles are produced and disseminated into the environment...
November 1, 2016: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/27692048/infectivity-of-wild-bird-origin-avian-paramyxovirus-serotype-1-and-vaccine-effectiveness-in-chickens
#14
Muhammad Zubair Shabbir, Sameera Akhtar, Yi Tang, Tahir Yaqub, Arfan Ahmad, Ghulam Mustafa, Muhammad Azhar Alam, Diwakar Santhakumar, Venugopal Nair, Muhammad Munir
Newcastle disease virus, a prototype avian paramyxovirus serotype 1 (APMV-1), causes economically devastating disease in avian species around the world. Newcastle disease is enzootic in Pakistan and recurrent outbreaks are frequent in multiple avian species even after continuous and extensive use of vaccines. A number of APMV-1 and pigeon paramyxovirus serotype 1 (PPMV-1) strains have been isolated and genetically characterized in recent years. However, the impact of recently characterized wild bird-origin APMVs in domestic poultry, and the potency of routinely used vaccines against these novel and genetically diverse viruses remain unknown...
December 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27631618/novel-reassortant-h5n6-influenza-a-virus-from-the-lao-people-s-democratic-republic-is-highly-pathogenic-in-chickens
#15
Jeffrey Butler, Cameron R Stewart, Daniel S Layton, Phouvong Phommachanh, Jennifer Harper, Jean Payne, Ryan M Evans, Stacey Valdeter, Som Walker, Gemma Harvey, Songhua Shan, Matthew P Bruce, Christina L Rootes, Tamara J Gough, Andreas Rohringer, Grantley R Peck, Sarah J Fardy, Adam J Karpala, Dayna Johnson, Jianning Wang, Bounlom Douangngeun, Christopher Morrissy, Frank Y K Wong, Andrew G D Bean, John Bingham, David T Williams
Avian influenza viruses of H5 subtype can cause highly pathogenic disease in poultry. In March 2014, a new reassortant H5N6 subtype highly pathogenic avian influenza virus emerged in Lao People's Democratic Republic. We have assessed the pathogenicity, pathobiology and immunological responses associated with this virus in chickens. Infection caused moderate to advanced disease in 6 of 6 chickens within 48 h of mucosal inoculation. High virus titers were observed in blood and tissues (kidney, spleen, liver, duodenum, heart, brain and lung) taken at euthanasia...
2016: PloS One
https://www.readbyqxmd.com/read/27619928/evolutionary-consequences-of-a-decade-of-vaccination-against-subtype-h6n2-influenza
#16
Dionne Rauff, Christine Strydom, Celia Abolnik
The evolutionary dynamics of chicken-origin H6N2 viruses isolated in South Africa between 2002 and 2013 were investigated. Sub-lineages I and II continued to co-circulate under vaccination pressure, but sub-lineage I, from which the inactivated vaccine was derived, displayed a markedly higher mutation rate and a three-fold increase in the emergence of potential antigenic sites on the globular head of HA compared to sub-lineage II. Immunological pressure culminated in a critical phenotypic change as four of the five isolates from 2012 to 2013 had lost the ability to haemagglutinate chicken erythrocytes, correlating with a pattern of predicted O-glycosylation sites at residues 134, 137 and 141 within the critical 130 loop of the receptor binding domain site...
November 2016: Virology
https://www.readbyqxmd.com/read/27591280/a-comparison-of-mott-cell-morphology-of-three-avian-species-ii-bad-behavior-by-plasmacytes
#17
Paul F Cotter, Murray R Bakst
Mott cells are atypical plasmacytes recognized microscopically by endoplasmic reticulum (ER) distensions (Russell bodies) a result of retained secretory product (antibody). Originally associated with parasitism, they are observed in a broad spectrum of immunopathology, sometimes involving hypergammaglobulinemia. Few descriptions of Mott cells appear in avian literature. The purpose of the manuscript is to provide examples identified by light microscopy in three poultry species. Transmission electron micrographs (TEM) of plasmacytes from the turkey oviduct mucosa are included for comparison with Mott cell light microscopic images...
September 2, 2016: Poultry Science
https://www.readbyqxmd.com/read/27561535/structure-characterization-of-three-polysaccharides-and-a-comparative-study-of-their-immunomodulatory-activities-on-chicken-macrophage
#18
Wentao Fan, Shijie Zhang, Pan Hao, Pimiao Zheng, Jianzhu Liu, Xiaona Zhao
In this study, we evaluated structure characterization and immunomodulatory activity of polysaccharides from Astragalus aboriginum Richardson (RAPS), Atractylodes macrocephala Koidz (RAMPS) and Rumia seseloides Hoffm (RSPS) in vitro on chicken macrophage. We found that molecular weight of RAPS and RAMPS was 122.4 and 109.4kDa higher than 64.71kDa of RSPS. Glucose occupied 83.95% and 66.39% in RAPS and RAMPS, respectively. RSPS mainly contained glucose and galacturonic acid, which accounted for 32.35% and 29...
November 20, 2016: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27558123/the-establishment-and-characteristics-of-cell-adapted-ibv-strain-h120
#19
Yingshun Zhou, Xin Yang, Hongning Wang, Fanya Zeng, Zhikun Zhang, Anyun Zhang, Hui Liu
Avian infectious bronchitis virus is an important pathogen in poultry worldwide. Vaccination is the only effective way to prevent and control IBV infection. H120, one of the safest vaccine strains, which has been used worldwide as a primary vaccine, cannot adapt to passaged cells, which severely restricts the quality of the vaccine. Based on the reverse genetics of our previous research work, we constructed the recombinant R-H120-Beaudette-p65(S) strain by replacing the complete spike gene of H120 with the corresponding spike gene from the Beaudette p65 strain...
November 2016: Archives of Virology
https://www.readbyqxmd.com/read/27536042/effect-of-endosulfan-on-immunological-competence-of-layer-birds
#20
P P Singh, Ashok Kumar, R S Chauhan, P K Pankaj
AIM: The present study was aimed to investigate the immunological competence of endosulfan insecticide after limited oral administration in White Leghorn layer chickens. MATERIALS AND METHODS: A total of 20 White Leghorn birds were given endosulfan in drinking water at 30 ppm/bird/day (no observable effect level dose) for a period of 3-months. Immune competence status of layer birds and chicks hatched from endosulfan offered birds were estimated at 15-day interval in layer birds and at monthly interval in chicks using immunological, biochemical parameters, and teratological estimates...
July 2016: Veterinary World
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