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https://www.readbyqxmd.com/read/29920114/in-vitro-phagocytosis-of-opsonised-latex-beads-by-hd11-cells-as-a-method-to-assess-the-general-opsonisation-potential-of-chicken-serum
#1
Mohammed Naghizadeh, Eva Wattrang, Rikke B Kjærup, Maja Bakke, Sandra Shih, Tina S Dalgaard
Opsonins, an important arm of the innate immune system, are various soluble proteins, which play a critical role in destruction of invading pathogens directly or via engulfment of pathogens through the intermediate of phagocytosis. The diversity of opsonin profiles is under genetic influenceandmay be associated with variation in disease resistance. The aim of this study, was to set up an assay to determine serum opsonophagocytic potential (OPp) for chicken sera by flow cytometry and to evaluate the assay using samples from different chicken lines...
June 19, 2018: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/29890365/avian-pathogenic-escherichia-coli-induced-activation-of-chicken-macrophage-hd11-cells
#2
Lianci Peng, Mieke G R Matthijs, Henk P Haagsman, Edwin J A Veldhuizen
Avian pathogenic Escherichia coli (APEC) can cause severe respiratory diseases in poultry. The initial interaction between APEC and chicken macrophages has not been characterized well and it is unclear how effective chicken macrophages are in neutralizing APEC. Therefore, the effect of APEC on activation of chicken macrophage HD11 cells was studied. Firstly, the effect of temperature (37 vs 41 °C) on phagocytosis of APEC by HD11 cells was determined. The results showed that APEC was more susceptible to being phagocytosed by HD11 cells at 41 °C than 37 °C...
May 23, 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29887850/avian-leukosis-virus-subgroup-j-attenuates-type-i-interferon-production-through-blocking-i%C3%AE%C2%BAb-phosphorylation
#3
Wencheng Lin, Zhouyi Xu, Yiming Yan, Huanmin Zhang, Hongxin Li, Weiguo Chen, Feng Chen, Qingmei Xie
Avian leukosis virus subgroup J (ALV-J) is an oncogenic retrovirus that causes immunosuppression and enhances susceptibility to secondary infection, resulting in great economic losses. Although ALV-J-induced immunosuppression has been well established, the underlying molecular mechanism for such induction is still unclear. Here, we report that the inhibitory effect of ALV-J infection on type I interferon expression is associated with the down-regulation of transcriptional regulator NF-κB in host cells. We found that ALV-J possess the inhibitory effect on type I interferon production in HD11 cells and that ALV-J causes the up-regulation of IκBα and down-regulation of NF-κB p65, and that ALV-J blocks the phosphorylation of IκBα on Ser32/36 amino acid residues...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29874806/interleukin-34-regulates-th1-and-th17-cytokine-production-by-activating-multiple-signaling-pathways-through-csf-1r-in-chicken-cell-lines
#4
Anh Duc Truong, Yeojin Hong, Janggeun Lee, Kyungbaek Lee, Dong Yong Kil, Hyun S Lillehoj, Yeong Ho Hong
Interleukin-34 (IL-34) is a newly recognized cytokine with functions similar to macrophage colony-stimulating factor 1. It is expressed in macrophages and fibroblasts, where it induces cytokine production; however, the mechanism of chicken IL-34 (chIL-34) signaling has not been identified to date. The aim of this study was to analyze the signal transduction pathways and specific biological functions associated with chIL-34 in chicken macrophage (HD11) and fibroblast (OU2) cell lines. We found that IL-34 is a functional ligand for the colony-stimulating factor receptor (CSF-1R) in chicken cell lines...
June 5, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29792901/identification-and-functional-characterization-including-cytokine-production-modulation-of-the-novel-chicken-interleukin-11
#5
Anh Duc Truong, Yeojin Hong, Deivendran Rengaraj, Janggeun Lee, Kyungbaek Lee, Yeong Ho Hong
Interleukin (IL)-11 plays an important role in the immune system. However, IL-11 has not yet been characterized in avian species, including chickens. This study is the first to clone and functionally characterize chicken IL-11 (chIL-11). Multiple alignments and phylogenetic tree comparisons of chIL-11 with IL-11 proteins from other species revealed high levels of conservation and a close relationship between chicken and Japanese quail IL-11. Our results demonstrate that chIL-11 was a functional ligand of IL-11RA and IL-6ST in chicken HD11 and OU2 cell lines, as well as activated and regulated JAK-STAT, NF-κB, PI3K/AKT, and MAPK signaling pathways in chicken cell lines...
May 21, 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29712441/construction-of-pspi12-cured-salmonella-enterica-serovar-pullorum-and-identification-of-ipaj-as-an-immune-response-modulator
#6
Chao Yin, Lijuan Xu, Yang Li, Zijian Liu, Dan Gu, Qiuchun Li, Xinan Jiao
In Salmonella, plasmids participate in many pathways involved in virulence, metabolism, and antibiotic resistance. To investigate the function of the ipaJ gene in a multi-copy plasmid pSPI12 prevalent in Salmonella enterica serovar Pullorum (S. Pullorum), we established a method to eliminate the plasmid and constructed the plasmid-cured bacteria C79-13-ΔpSPI12 by using the suicide vector pDM4. Briefly, a 500 bp fragment ipaJU from pSPI12 was cloned into pDM4 and transformed into S. Pullorum C79-13 by conjugative transfer...
August 2018: Avian Pathology: Journal of the W.V.P.A
https://www.readbyqxmd.com/read/29702211/mir-146a-5p-promotes-replication-of-infectious-bronchitis-virus-by-targeting-irak2-and-tnfrsf18
#7
Hui Liu, Xin Yang, Zhi-Kun Zhang, Wen-Cheng Zou, Hong-Ning Wang
Avian infectious bronchitis virus (IBV) is a coronavirus which infects chickens (Gallus gallus) of all ages and causes significant economic losses to the poultry industry worldwide. The present study aims to analyze the miRNAs related to pathogenicity of nephropathogenic IBVs. It was found that four miRNAs (miR-1454, miR-3538, miR-146a-5p and miR-215-5p) were related to the infection of virulent nephropathogenic IBV with transcript per million (TPM) > 500 and more than a 2-fold alteration. In vitro study results showed that the alterations of these four miRNAs were consistent with in vivo data...
April 24, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29670609/enhanced-replication-of-virulent-newcastle-disease-virus-in-chicken-macrophages-is-due-to-polarized-activation-of-cells-by-inhibition-of-tlr7
#8
Pingze Zhang, Zhuang Ding, Xinxin Liu, Yanyu Chen, Junjiao Li, Zhi Tao, Yidong Fei, Cong Xue, Jing Qian, Xueli Wang, Qingmei Li, Tobias Stoeger, Jianjun Chen, Yuhai Bi, Renfu Yin
Newcastle disease (ND), caused by infections with virulent strains of Newcastle disease virus (NDV), is one of the most important infectious disease affecting wild, peridomestic, and domestic birds worldwide. Vaccines constructed from live, low-virulence (lentogenic) viruses are the most accepted prevention and control strategies for combating ND in poultry across the globe. Avian macrophages are one of the first cell lines of defense against microbial infection, responding to signals in the microenvironment...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29541669/dataset-on-characterization-of-recombinant-interleukin-23%C3%AE-il-12p40-and-il-23-complex-protein-which-activates-jak-stat-signaling-pathway-in-chicken-cell-lines-using-immunocytochemical-staining
#9
Anh Duc Truong, Cong Thanh Hoang, Yeojin Hong, Janggeun Lee, Kyungbaek Lee, Hyun S Lillehoj, Yeong Ho Hong
The data herein is related to the research article entitled "Functional analyses of the interaction of chicken interleukin 23 subunit p19 with IL-12 subunit p40 to form the IL-23 complex" [1] where we demonstrated that the chicken interleukin (IL)-23α, IL-12p40, and IL-23 complex regulates Th1, Th17, and Treg cytokine production through heterodimer receptors as well as a homodimer receptor consisting of IL-12Rβ1 and IL-23R, and activates the JAK/STAT signaling pathways. Here, we evaluated the effects of the recombinant chicken IL-23α, IL-12p40, and IL-23 complex protein on cell proliferation and nitric oxide (NO) production in chicken macrophage (HD11) and CU91 T cell lines...
February 2018: Data in Brief
https://www.readbyqxmd.com/read/29518451/characterisation-of-susceptibility-of-chicken-macrophages-to-infection-with-toxoplasma-gondii-of-type-ii-and-iii-strains
#10
Irene Malkwitz, Angela Berndt, Arwid Daugschies, Berit Bangoura
Toxoplasma gondii is known to be able to infect any nucleated cell including immune cells like macrophages. In addition, it is assumed that macrophages serve as trojan horse during distribution in hosts. The underlying causes of parasite host interaction remain yet not fully understood. The aim of the present study was to investigate susceptibility of chicken macrophages to infection with T. gondii and the process of infection in avian cells in comparison to cells of mammalian origin. Primary avian blood monocyte-derived macrophages were infected with tachyzoites of type II (ME49) and III (NED) strains...
April 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29302792/mitochondrial-bioenergy-alterations-in-avian-hd11-macrophages-infected-with-infectious-bronchitis-virus
#11
Sergio E L da Silva, Helena L Ferreira, Andrea F Garcia, Felipe E S Silva, Roberto Gameiro, Carolina U F Fabri, Dielson S Vieira, Tereza C Cardoso
To establish an association between mitochondrial dysfunction and apoptosis following infectious bronchitis virus (IBV) infection, HD11 avian macrophage cells were infected with the Massachusetts 41 (M41) strain. Our results show that the M41 strain of IBV induced cytopathic effects followed by the release of new viral particles. Elevated numbers of apoptotic cells were observed at 24, 48 and 72 h post-infection (p.i.). Viral infection was associated with mitochondrial membrane depolarization and reactive oxygen species (ROS) production at all of the examined timepoints p...
April 2018: Archives of Virology
https://www.readbyqxmd.com/read/29249317/chicken-macrophages-infected-with-salmonella-s-enteritidis-or-s-heidelberg-produce-differential-responses-in-immune-and-metabolic-signaling-pathways
#12
Haiqi He, Ryan J Arsenault, Kenneth J Genovese, Casey Johnson, Michael H Kogut
Protein kinases act in coordination with phosphatases to control protein phosphorylation and regulate signaling pathways and cellular processes involved in nearly every functions of cell life. Salmonella are known to manipulate the host kinase network to gain entrance and survive inside host cells. The effect of Salmonella infection on the host kinase network has been studied in mammalian cells, but information is largely lacking in chicken immune cells. Our previous study indicated that chicken macrophage cells respond differentially to different Salmonella strains...
January 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29197030/identification-of-key-genes-fluctuated-induced-by-avian-leukemia-virus-alv-j-infection-in-chicken-cells
#13
Guohong Chen, Zhiteng Li, Shuai Su, Guobin Chang, Lingling Qiu, Pengfei Zhu, Yang Zhang, Qi Xu
Avian leukemia subgroup J (ALV-J) is one of the most detrimental neoplastic diseases in poultry production. However, the differences between somatic cells and immune cells post-infection remain poorly understood. The aim of our study was to detect the different responses in chicken to infection with ALV-J in different cell lines. In this study, we detected transcriptome expression changes during infection with ALV-J in chicken embryo fibroblast (CEF) and HD11 cell lines. RNA-Seq was used to determine the expression levels of mRNA transcripts from the two cell types after infection with ALV-J at 1, 4, and 7 dpi, and gene ontology analyses were used to cluster differentially expressed genes into pathways...
January 2018: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/29196970/endocannabinoid-hydrolases-in-avian-hd11-macrophages-identified-by-chemoproteomics-inactivation-by-small-molecule-inhibitors-and-pathogen-induced-downregulation-of-their-activity
#14
Jung Hwa Lee, Xiang Hou, Evangel Kummari, Abdolsamad Borazjani, Mariola J Edelmann, Matthew K Ross
The endocannabinoids (eCBs) are endogenous arachidonoyl-containing lipid mediators with important roles in host defense. Macrophages are first-line defenders of the innate immune system and biosynthesize large amounts of eCBs when activated. The cellular levels of eCBs are controlled by the activities of their biosynthetic enzymes and catabolic enzymes, which include members of the serine hydrolase (SH) superfamily. The physiologic activity of SHs can be assessed in a class-specific way using chemoproteomic activity-based protein profiling (ABPP) methods...
December 1, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29154854/chicken-il-17a-is-expressed-in-%C3%AE-%C3%AE-and-%C3%AE-%C3%AE-t-cell-subsets-and-binds-to-a-receptor-present-on-macrophages-and-t-cells
#15
Isabelle Walliser, Thomas W Göbel
IL-17A as important cytokine in host defense has been analysed intensively and various homologous have been identified. To further gain insight into the functional properties of chicken (gg) IL-17A its expression profile was analysed by intracellular cytokine staining. In splenocytes and peripheral blood mononuclear cells gg IL-17A was detected in subsets of CD4+ T cells and γδ T cells. In contrast the gg IL-17A producing populations in intestinal intraepithelial lymphocytes were characterized as either CD3+ CD25+ cells or γδ T cells...
April 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28933760/infectious-bronchitis-virus-infection-induces-apoptosis-during-replication-in-chicken-macrophage-hd11-cells
#16
Xiaoxiao Han, Yiming Tian, Ru Guan, Wenqian Gao, Xin Yang, Long Zhou, Hongning Wang
Avian infectious bronchitis has caused huge economic losses in the poultry industry. Previous studies have reported that infectious bronchitis virus (IBV) infection can produce cytopathic effects (CPE) and apoptosis in some mammalian cells and primary cells. However, there is little research on IBV-induced immune cell apoptosis. In this study, chicken macrophage HD11 cells were established as a cellular model that is permissive to IBV infection. Then, IBV-induced apoptosis was observed through a cell viability assay, morphological changes, and flow cytometry...
July 26, 2017: Viruses
https://www.readbyqxmd.com/read/28884089/splenic-microrna-expression-profiles-and-integration-analyses-involved-in-host-responses-to-salmonella-enteritidis-infection-in-chickens
#17
Peng Li, Wenlei Fan, Qinghe Li, Jie Wang, Ranran Liu, Nadia Everaert, Jie Liu, Yonghong Zhang, Maiqing Zheng, Huanxian Cui, Guiping Zhao, Jie Wen
To understand the role of miRNAs in regulating genes involved in the host response to Salmonella enteritidis (SE) infection, next generation sequencing was applied to explore the altered splenic expression of microRNAs (miRNAs) and deregulated genes in specific-pathogen-free chickens. Birds were either infected or not (controls, C) and those challenged with SE were evaluated 24 h later and separated into two groups on the basis of the severity of clinical symptoms and blood load of SE: resistant (R, SE challenged-slight clinical symptoms and <10(5) cfu / 10 μL), and susceptible (S, SE challenged-severe clinical symptoms and >10(7) cfu/10 μL)...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28813778/the-bactericidal-effect-of-high-temperature-is-an-essential-resistance-mechanism-of-chicken-macrophage-against-brucella-abortus-infection
#18
Lauren Togonon Arayan, Alisha Wehdnesday Bernardo Reyes, Huynh Tan Hop, Huy Tran Xuan, Eun Jin Baek, Wongi Min, Suk Kim
Knowledge of avian host responses to brucellosis is critical to understanding how birds resist this infection; however, this mechanism is not well established. On the other hand, temperature has a major involvement in the physiology of living organisms, and cell death induced by heat is attributed to protein denaturation. This study demonstrates the direct bactericidal effect of a high temperature (41ºC) on Brucella abortus that resulted in the gradual reduction of intracellular bacteria and inhibited bacterial growth within avian macrophage HD11 in an increasing period of time...
October 28, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28673822/discovery-of-novel-long-non-coding-rnas-induced-by-subgroup-j-avian-leukosis-virus-infection-in-chicken
#19
Lingling Qiu, Zhiteng Li, Guobin Chang, Yulin Bi, Xiangping Liu, Lu Xu, Yang Zhang, Wenming Zhao, Qi Xu, Guohong Chen
Avian leukosis virus subgroup J (ALV-J) is an avian oncogenic retrovirus that has led to severe economic losses in the poultry industry in China in recent decades. Here, using high throughput transcriptome sequencing of HD11 and CEF cells infected with ALV-J, a set of 4804 novel long non-coding transcripts and numerous differentially expressed long non-coding RNAs (lncRNAs) were identified. We also found that they share relatively shorter transcripts and fewer exon numbers compared to mRNA. Correlation analysis suggested that many lncRNAs may activate gene expression in an enhancer-like manner other than through transcriptional regulation...
November 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28637471/enhanced-humoural-and-cellular-immune-responses-to-influenza-h7n9-antigen-ha1-2-fused-with-flagellin-in-chickens
#20
Li Song, Dan Xiong, Maozhi Hu, Xilong Kang, Zhiming Pan, Xinan Jiao
BACKGROUND: Sudden increases in the number of human A (H7N9) cases reported during December and January have been observed in previous years. Most reported infection cases are due to prior exposure to live poultry or potentially contaminated environments. Low pathogenicity of influenza A (H7N9) virus in avian species complicates timely discovery of infected birds. Therefore, there is a pressing need to develop safe and effective anti-H7N9 vaccines for poultry to reduce the risk of human infection and prevent the emergence of novel mutated strains...
June 21, 2017: BMC Veterinary Research
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