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https://www.readbyqxmd.com/read/28345265/cytokine-and-antioxidant-gene-profiles-from-peripheral-blood-mononuclear-cells-of-pelibuey-lambs-after-haemonchus-contortus-infection
#1
Zaira Estrada-Reyes, Ma Eugenia López-Arellano, Felipe Torres-Acosta, Alberto López-Reyes, Alfredo Lagunas-Martínez, Pedro Mendoza-de-Gives, Roberto González-Garduño, Sara Olazarán-Jenkins, David Reyes-Guerrero, Gabriel Ramírez-Vargas
The expression profiles of cytokines and anti-oxidant genes were determined from an experimental infection with H. contortus in Pelibuey lambs. The infection was followed for 34 days (d) to determine the number of eggs per gram (epg) and the packed cell volume (PCV). Differential white cell counts and expression profile estimations of IL2, IL4, IL5, IL6, IL8, IL10, IL13, FCεR1A, GPX and SOD1 were determined at 0 h, 4 h, 2 d and 14 d post-infection (PI) in infected and control groups. Comparison of the fold-change between 0 and 4 h, 4 h and 2 d, and 2 and 14 d periods was performed...
March 27, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28337124/interleukin-4-protects-dopaminergic-neurons-in-vitro-but-is-dispensable-for-mptp-induced-neurodegeneration-in-vivo
#2
Laura Hühner, Jennifer Rilka, Ralf Gilsbach, Xiaolai Zhou, Venissa Machado, Björn Spittau
Microglia are involved in physiological as well as neuropathological processes in the central nervous system (CNS). Their functional states are often referred to as M1-like and M2-like activation, and are believed to contribute to neuroinflammation-mediated neurodegeneration or neuroprotection, respectively. Parkinson's disease (PD) is one the most common neurodegenerative disease and is characterized by the progressive loss of midbrain dopaminergic (mDA) neurons in the substantia nigra resulting in bradykinesia, tremor, and rigidity...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28330868/protein-arginine-methyltransferase-1-modulates-innate-immune-responses-through-regulation-of-peroxisome-proliferator-activated-receptor-gamma-dependent-macrophage-differentiation
#3
Irina Tikhanovich, Jie Zhao, Jody Olson, Abby Adams, Ryan Taylor, Brian Bridges, Laurie Marshall, Benjamin Roberts, Steven A Weinman
Arginine methylation is a common posttranslational modification that has been shown to regulate both gene expression and extranuclear signaling events. We recently reported defects in Protein Arginine Methyltransferase 1 (PRMT1) activity and arginine methylation in the livers of cirrhosis patients with a history of recurrent infections. To examine the role of PRMT1 in innate immune responses in vivo, we created a cell type specific knockout mouse model. We showed that myeloid specific PRMT1 knockout mice demonstrate higher proinflammatory cytokine production and a lower survival rate after cecal ligation and puncture...
March 22, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28317149/association-between-variants-in-genes-involved-in-the-immune-response-and-prostate-cancer-risk-in-men-randomized-to-the-finasteride-arm-in-the-prostate-cancer-prevention-trial
#4
Danyelle A Winchester, Cathee Till, Phyllis J Goodman, Catherine M Tangen, Regina M Santella, Teresa L Johnson-Pais, Robin J Leach, Jianfeng Xu, S Lilly Zheng, Ian M Thompson, M Scott Lucia, Scott M Lippman, Howard L Parnes, William B Isaacs, Angelo M De Marzo, Charles G Drake, Elizabeth A Platz
BACKGROUND: We reported that some, but not all single nucleotide polymorphisms (SNPs) in select immune response genes are associated with prostate cancer, but not individually with the prevalence of intraprostatic inflammation in the Prostate Cancer Prevention Trial (PCPT) placebo arm. Here, we investigated whether these same SNPs are associated with risk of lower- and higher-grade prostate cancer in men randomized to finasteride, and with prevalence of intraprostatic inflammation among controls...
March 20, 2017: Prostate
https://www.readbyqxmd.com/read/28293435/interleukin-1-receptor-antagonist-and-interleukin-4-genes-variable-number-tandem-repeats-are-associated-with-adiposity-in-malaysian-subjects
#5
Yung-Yean Kok, Hing-Huat Ong, Yee-How Say
Interleukin-1 receptor antagonist (IL1RA) intron 2 86 bp repeat and interleukin-4 (IL4) intron 3 70 bp repeat are variable number tandem repeats (VNTRs) that have been associated with various diseases, but their role in obesity is elusive. The objective of this study was to investigate the association of IL1RA and IL4 VNTRs with obesity and adiposity in 315 Malaysian subjects (128 M/187 F; 23 Malays/251 ethnic Chinese/41 ethnic Indians). The allelic distributions of IL1RA and IL4 were significantly different among ethnicities, and the alleles were associated with total body fat (TBF) classes...
2017: Journal of Obesity
https://www.readbyqxmd.com/read/28289589/polymorphism-of-the-il13-gene-may-be-associated-with-uterine-leiomyomas-in-slovenian-women
#6
J Krsteski, S Jurgec, M Pakiž, I But, U Potočnik
Uterine leiomyomas (ULM) are a common cause of solid pelvic tumors in women. Their etiopathogenesis remains unclear. Interleukins (ILs) and their receptors can influence tumor biology of ULM. The aim of this study was to evaluate single nucleotide polymorphisms (SNPs) exhibited in the genes IL4 (rs2070874), IL4R (rs1801275), IL12RB1 (rs11575934), IL12B (rs6887695), IL13 (rs20541) and IL23R (rs7517847) as risk factors for ULM in Slovenian women and to identify associations between corresponding clinical parameters and the analyzed SNPs...
December 1, 2016: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/28270525/adipocyte-sirt1-controls-systemic-insulin-sensitivity-by-modulating-macrophages-in-adipose-tissue
#7
Xiaoyan Hui, Mingliang Zhang, Ping Gu, Kuai Li, Yuan Gao, Donghai Wu, Yu Wang, Aimin Xu
Adipose tissue inflammation, characterized by augmented infiltration and altered polarization of macrophages, contributes to insulin resistance and its associated metabolic diseases. The NAD(+)-dependent deacetylase SIRT1 serves as a guardian against metabolic disorders in multiple tissues. To dissect the roles of SIRT1 in adipose tissues, metabolic phenotypes of mice with selective ablation of SIRT1 in adipocytes and myeloid cells were monitored. Compared to myeloid-specific SIRT1 depletion, mice with adipocyte-selective deletion of SIRT1 are more susceptible to diet-induced insulin resistance...
March 7, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28259042/probiotic-treatment-reduces-depressive-like-behaviour-in-rats-independently-of-diet
#8
Anders Abildgaard, Betina Elfving, Marianne Hokland, Gregers Wegener, Sten Lund
The gut microbiota has recently emerged as an important regulator of brain physiology and behaviour in animals, and ingestion of certain bacteria (probiotics) therefore appear to be a potential treatment for major depressive disorder (MDD). However, some conceptual and mechanistical aspects need further elucidation. We therefore aimed at investigating whether the habitual diet may interact with the effect of probiotics on depression-related behaviour and further examined some potentially involved mechanisms underlying the microbe-mediated behavioural effects...
February 16, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28258715/human-macrophages-chronically-exposed-to-lps-can-be-reactivated-by-stimulation-with-mdp-to-acquire-an-antimicrobial-phenotype
#9
Silvia Guzmán-Beltrán, Martha Torres, Monserrat Arellano, Esmeralda Juárez
Macrophages are important in host defense and can differentiate into functionally distinct subsets named classically (M1) or alternatively (M2) activated. In several inflammatory disorders, macrophages become tolerized to prevent deleterious consequences. This tolerization reduces the ability of macrophages to respond to bacterial components (e.g., LPS) maintaining a low level of inflammation but compromising the ability of macrophages to mount an effective immune response during subsequent pathogen encounters...
February 21, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28254844/vegf-a-expressing-adipose-tissue-shows-rapid-beiging-enhanced-survival-after-transplantation-and-confers-il4-independent-metabolic-improvements
#10
Jiyoung Park, Min Kim, Kai Sun, Yu Aaron An, Xue Gu, Philipp E Scherer
Adipocyte-derived VEGF-A plays a crucial role in angiogenesis and contributes to adipocyte function and systemic metabolism, such as insulin resistance, chronic inflammation and beigeing of subcutaneous adipose tissue. Utilizing a doxycycline (Dox)-inducible adipocyte-specific VEGF-A overexpressing mouse model, we investigated the dynamics of local VEGF-A effects on tissue beiging of adipose tissue transplants. VEGF-A overexpression in adipocytes triggers angiogenesis. We also observe a rapid appearance of beige fat cells in subcutaneous white adipose tissue (sWATs) within as early as 2 days post induction of VEGF-A...
March 2, 2017: Diabetes
https://www.readbyqxmd.com/read/28250252/association-of-il10-il4-ifng-and-ctla4-gene-polymorphisms-with-efavirenz-hypersensitivity-reaction-in-patients-infected-with-human-immunodeficiency-virus
#11
Raphael de Oliveira Rodrigues, Silvia Helena Barem Rabenhorst, Paulo Germano de Carvalho, Greyce Luri Sasahara, Luciana Mabel Ferreira Vasconcelos, Érico Antônio Gomes de Arruda, Silvia Fernandes Ribeiro da Silva, Ilana Farias Ribeiro, E Aparecida Tiemi Nagao-Dias
We evaluated IL-10 -592 C/A, IL-4 -589 C/T, IFN-γ +874 A/T, CTLA-4 +49 A/G gene polymorphisms in efavirenz hypersensitivity reaction. A total of 63 HIV-positive patients under treatment at a public hospital were included in the study, of which 21 presented efavirenz hypersensitivity. Patients who presented efavirenz hypersensitivity reaction showed a higher frequency of the IL-10 -592A allele than the controls (p = 0.028). The allele A was associated with increased risk to efavirenz hypersensitivity (OR = 2...
February 28, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28250021/mast-cells-promote-seasonal-white-adipose-beiging-in-humans
#12
Brian S Finlin, Beibei Zhu, Amy L Confides, Philip M Westgate, Brianna D Harfmann, Esther E Dupont-Versteegden, Philip A Kern
Human subcutaneous white adipose tissue (SC WAT) increases the expression of beige adipocyte genes in the winter. Studies in rodents suggest that a number of immune mediators are important in the beiging response. Here we studied the seasonal beiging response in SC WAT from lean humans. We measured the gene expression of various immune cell markers and performed multivariate analysis of the gene expression data to identify genes that predict UCP1. IL4 and, unexpectedly, the mast cell marker CPA3 predicted UCP1 gene expression...
March 1, 2017: Diabetes
https://www.readbyqxmd.com/read/28229819/dabigatran-aggravates-topoisomerase-i-peptide-loaded-dendritic-cells-induced-lung-and-skin-fibrosis
#13
Heena Mehta, Shunya Mashiko, Philippe-Olivier Goulet, Jade Desjardins, Gemma Pérez, Martial Koenig, Jean-Luc Senécal, Marika Sarfati
OBJECTIVES: Dysregulated coagulation cascade has been implicated in development of fibrosis in systemic sclerosis (SSc). Thrombin, a key mediator of the coagulation pathway, has both proinflammatory and procoagulant properties. Here, we evaluated the efficacy of oral dabigatran, a direct thrombin inhibitor, on topoisomerase I dendritic cells (TOPOIA DCs)-induced lung and skin fibrosis, an experimental model of SSc. METHODS: Mice were repeatedly immunized with TOPOIA DCs...
February 8, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28226398/dysregulation-of-interleukin-5-expression-in-familial-eosinophilia
#14
Senbagavalli Prakash Babu, Yun-Yun K Chen, Sandra Bonne-Annee, Jun Yang, Irina Maric, Timothy G Myers, Thomas B Nutman, Amy D Klion
BACKGROUND: Familial eosinophilia (FE) is a rare autosomal dominant inherited disorder characterized by the presence of lifelong peripheral eosinophilia (>1500/μL). Mapped to chromosome 5q31-q33, the genetic cause of FE is unknown, and prior studies have failed to demonstrate a primary abnormality in the eosinophil lineage. OBJECTIVE: The aim of the present study was to identify the cells driving the eosinophilia in FE. METHODS: Microarray analysis and real-time PCR were used to examine transcriptional differences in peripheral blood mononuclear cells (PBMC), and in purified cell subsets from affected and unaffected family members belonging to a single large kindred...
February 22, 2017: Allergy
https://www.readbyqxmd.com/read/28223726/dendritic-cells-engineered-to-secrete-anti-dcr3-antibody-augment-cytotoxic-t-lymphocyte-response-against-pancreatic-cancer-in-vitro
#15
Jiang Chen, Xiao-Zhong Guo, Hong-Yu Li, Jia-Jun Zhao, Wen-Da Xu
AIM: To investigate the enhanced cytotoxic T lymphocyte responses against pancreatic cancer (PC) in vitro induced by dendritic cells (DCs) engineered to secrete anti-DcR3 monoclonal antibody (mAb). METHODS: DCs, T lymphocytes and primary PC cells were obtained from PC patients. DCs were transfected with a designed humanized anti-DcR3 monoclonal antibody heavy and light chain mRNA and/or total tumor RNA (DC-tumor-anti-DcR3 RNA or DC-total tumor RNA) by using electroporation technology...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28222797/melanoma-antigen-specific-effector-t-cell-cytokine-secretion-patterns-in-patients-treated-with-ipilimumab
#16
Yana G Najjar, Fei Ding, Yan Lin, Robert VanderWeele, Lisa H Butterfield, Ahmad A Tarhini
BACKGROUND: In a previously reported study, patients with regionally advanced melanoma were treated with neoadjuvant ipilimumab (ipi) (Tarhini in PLoS ONE 9(2): e87705, 3). Significant changes in circulating myeloid derived suppressor cells (MDSC), regulatory T cells (Treg) and peptide specific type I CD4(+) and CD8(+) T cells were noted at week 6 that correlated with clinical outcome. Characterization of antigen-specific effector T cell secreted cytokines may shed insights into ipi associated T cell activation and function...
February 21, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28215694/comparisons-of-the-humoral-and-cellular-immunity-induced-by-live-a16r-attenuated-spore-and-ava-like-anthrax-vaccine-in-mice
#17
Jin Lv, Ying-Ying Zhang, Xun Lu, Hao Zhang, Lin Wei, Jun Gao, Bin Hu, Wen-Wei Hu, Dun-Zhong Hu, Na Jia, Xin Feng
The live attenuated anthrax vaccine and anthrax vaccine adsorbed (AVA) are two main types of anthrax vaccines currently used in human. However, the immunoprotective mechanisms are not fully understood. In this study, we compared humoral and cellular immunity induced by live A16R spore vaccine and A16R strain derived AVA-like vaccine in mice peripheral blood, spleen and bone marrow. Both A16R spores and AVA-like vaccines induced a sustained IgG antibody response with IgG1/IgG2b subtype dominance. However, A16R spores vaccine induced higher titer of IgG2a compared with AVA-like vaccine, indicating a stronger Th1 response to A16R spores...
February 16, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28206989/il-4-mediated-by-hsv-vector-suppresses-morphine-withdrawal-response-through-decreasing-tnf%C3%AE-nr2b-and-pc-ebp%C3%AE-in-the-periaqueductal-gray-in-rats
#18
H Yi, T Iida, S Liu, D Ikegami, Q Liu, A Iida, D A Lubarsky, S Hao
Chronic opiates induce the development of physical dependence. Opioid physical dependence characterized by withdrawal symptoms, may have very long-lasting effects on the motivation for reward, including the incubation of cue-induced drug-seeking behavior. Elucidation of the mechanisms involved in physical dependence is crucial to developing more effective treatment strategies for opioid dependence. Chronic morphine induces production of proinflammatory cytokines in regional-specific sites of the brain. Interleukin-4 (IL-4) is a prototypical anti-inflammatory cytokine that globally suppresses proinflammatory cytokines...
February 16, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28179513/immune-responses-in-hibernating-little-brown-myotis-myotis-lucifugus-with-white-nose-syndrome
#19
T M Lilley, J M Prokkola, J S Johnson, E J Rogers, S Gronsky, A Kurta, D M Reeder, K A Field
White-nose syndrome (WNS) is a fungal disease responsible for decimating many bat populations in North America. Pseudogymnoascus destructans (Pd), the psychrophilic fungus responsible for WNS, prospers in the winter habitat of many hibernating bat species. The immune response that Pd elicits in bats is not yet fully understood; antibodies are produced in response to infection by Pd, but they may not be protective and indeed may be harmful. To understand how bats respond to infection during hibernation, we studied the effect of Pd inoculation on the survival and gene expression of captive hibernating Myotis lucifugus with varying pre-hibernation antifungal antibody titres...
February 8, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28176427/uterine-serpin-serpina-14-correlates-negatively-with-cytokine-production-at-the-foetal-maternal-interface-but-not-in-the-corpus-luteum-in-pregnant-dairy-heifers-experimentally-infected-with-neospora-caninum
#20
B Serrano-Pérez, S Almería, R Mur-Novales, I López-Helguera, I Garcia-Ispierto, J L Alabart, L Darwich, F López-Gatius
This study examines gene expression patterns in dairy heifers experimentally infected with N. caninum during on Day 110 of pregnancy with live foetuses at euthanasia, 42 days later. The study population was constituted of four non-infected controls and three infected dams. Gene expression was determined on gamma interferon (IFNγ), (Th1 pro-inflammatory cytokine), interleukin-4 (IL4) (Th2 pro-gestation cytokine) or interleukin-10 (IL10) (T regulatory cytokine) and the serine peptidase inhibitor SERPINA14 in intercaruncular, placental, uterine lymph node (UTLN) and luteal tissue samples...
February 7, 2017: Reproduction in Domestic Animals, Zuchthygiene
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