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https://www.readbyqxmd.com/read/29793094/effects-of-chronic-antipsychotic-drug-exposure-on-the-expression-of-translocator-protein-and-inflammatory-markers-in-rat-adipose-tissue
#1
Anita Calevro, Marie-Caroline Cotel, Sridhar Natesan, Michel Modo, Anthony C Vernon, Valeria Mondelli
The precise effect of antipsychotic drugs on either central or peripheral inflammation remains unclear. An important issue in this debate is to what extent the known peripheral metabolic effects of antipsychotics, including increased adiposity, may contribute to increased inflammation. Adipose tissue is known to contribute to the development of systemic inflammation, which can eventually lead to insulin resistance and metabolic dysregulation. As a first step to address this question, we evaluated whether chronic exposure to clinically comparable doses of haloperidol or olanzapine resulted in the immune activation of rat adipose tissue...
May 16, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29793087/skin-allografting-activates-anti-tumor-immunity-and-suppresses-growth-of-colon-cancer-in-mice
#2
Xiang Li, Xu Lan, Grace Wang, Yi Liu, Ke Zhao, Shan-Zheng Lu, Xiao-Xi Xu, Gang-Gang Shi, Kui Ye, Bao-Ren Zhang, Yi-Ming Zhao, Hong-Qiu Han, Cai-Gan Du, Thomas E Ichim, Hao Wang
INTRODUCTION: The tumor cells could escape from the immune elimination through the immunoediting mechanisms including the generation of immunosuppressive or immunoregulative cells. By contrast, allograft transplantation could activate the immune system and induce a strong allogenic response. The aim of this study was to investigate the efficacy of allogenic skin transplantation in the inhibition of tumor growth through the activation of allogenic immune response. METHODS: Full-thickness skin transplantation was performed from C57BL/6 (H-2b ) donors to BALB/c (H-2d ) recipients that were receiving subcutaneous injection of isogenic CT26 colon cancer cells (2 × 106 cells) at the same time...
May 21, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29792901/identification-and-functional-characterization-including-cytokine-production-modulation-of-the-novel-chicken-interleukin-11
#3
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/29791026/cd99l2-deficiency-inhibits-leukocyte-entry-into-the-central-nervous-system-and-ameliorates-neuroinflammation
#4
Maryna Samus, Ruth Seelige, Kerstin Schäfer, Lydia Sorokin, Dietmar Vestweber
Leukocyte entry into the CNS is a crucial step in the development of multiple sclerosis and its animal model experimental autoimmune encephalomyelitis (EAE). Adhesion molecules mediating the docking of leukocytes to the endothelium of the blood-brain barrier (BBB) represent valuable targets for interference with the disease. However, little is known about the adhesion and signaling mechanisms in endothelial cells that mediate the diapedesis through the BBB. Here, we show that conditional Tie-2-Cre driven gene inactivation of CD99L2 inhibits leukocyte entry into the CNS during active MOG35-55 -induced EAE and alleviates severity of the disease...
May 23, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29790996/dna-methylation-and-inflammation-marker-profiles-associated-with-a-history-of-depression
#5
Bethany Crawford, Zoe Craig, Georgina Mansell, Isobel White, Adam Smith, Steve Spaull, Jennifer Imm, Eilis Hannon, Andrew Wood, Hanieh Yaghootkar, Yingjie Ji, Niamh Mullins, Cathryn M Lewis, Jonathan Mill, Therese M Murphy
Depression is a common and disabling disorder, representing a major social and economic health issue. Moreover, depression is associated with the progression of diseases with an inflammatory etiology including many inflammatory-related disorders. At the molecular level, the mechanisms by which depression might promote the onset of these diseases and associated immune-dysfunction are not well understood. In this study we assessed genome-wide patterns of DNA methylation in whole blood-derived DNA obtained from individuals with a self-reported history of depression (n = 100) and individuals without a history of depression (n = 100) using the Illumina 450K microarray...
May 22, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29790577/esophageal-igg4-levels-correlate-with-histopathologic-and-transcriptomic-features-in-eosinophilic-esophagitis
#6
Chen E Rosenberg, Melissa K Mingler, Julie M Caldwell, Margaret H Collins, Patricia C Fulkerson, David W Morris, Vincent A Mukkada, Philip E Putnam, Tetsuo Shoda, Ting Wen, Marc E Rothenberg
BACKGROUND: Recent data associate eosinophilic esophagitis (EoE) with IgG4 rather than IgE, but its significance and function have not been determined. Our aims were to measure esophageal IgG4 levels and to determine functional correlations as assessed by histologic and transcriptome analyses. METHODS: This case-control study included pediatric subjects with EoE (≥ 15 eosinophils/HPF) and non-EoE controls. Protein lysates were analyzed for IgA, IgM, and IgG1-IgG4 using the Luminex 100 system; IgE was quantified by ELISA...
May 23, 2018: Allergy
https://www.readbyqxmd.com/read/29786143/impact-of-commensal-flora-on-periodontal-immune-response-to-lipopolysaccharide
#7
Daiki Fukuhara, Koichiro Irie, Yoko Uchida, Kota Kataoka, Kentaro Akiyama, Daisuke Ekuni, Takaaki Tomofuji, Manabu Morita
BACKGROUND: Commensal flora are involved in the appropriate development of the mature immune system. However, it is unclear how commensal flora contribute to immune responses against periodontal pathogens, including the response to lipopolysaccharide (LPS). The purpose of this study was to evaluate the expression of immune responses after topical application of LPS in germ-free (GF) and specific-pathogen-free (SPF) mice. METHODS: GF and SPF mice at 8 weeks of age were randomly divided into four groups each: a baseline group (n = 4/group) and three experimental groups (n = 6/group)...
May 22, 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29785672/aberrant-t-cell-subsets-and-cytokines-expression-profile-in-systemic-lupus-erythematosus
#8
Haiyan Zhou, Bailong Hu, Niwen Huang, Xiangang Mo, Wei Li, Bei Zhang, Bo Wei, Mingzhu Gao, Yiming Wang, Xingde Liu, Joshua Liao
To assess T cell subsets and levels of chemokines and cytokines in patients with SLE and determine their relationships between disease activity and organ involvement. Blood samples from SLE patients (n = 24) and healthy controls (n = 36) were analyzed. Frequency of circulating follicular help T cells (Tfh), central memory T cells (Tcm), effector memory T cells (Tem), and naïve T cell subsets was enumerated and their surface markers expression of inducible T cell co-stimulator (ICOS) and programmed death 1(PD-1) protein was examined by flow cytometry...
May 22, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29785404/enhanced-suppressive-activity-of-regulatory-t-cells-in-the-microenvironment-of-malignant-pleural-effusions
#9
Joanna Budna, Mariusz Kaczmarek, Agata Kolecka-Bednarczyk, Łukasz Spychalski, Piotr Zawierucha, Joanna Goździk-Spychalska, Michał Nowicki, Halina Batura-Gabryel, Jan Sikora
Cancer metastatic spread to serous cavity causes malignant pleural effusions (MPEs), indicating dismal prognosis. Tumor microenvironment can implement suppressive activity on host immune responses. Thus, we investigated the prevalence of Tregs and the relationship between them and TGF- β and IL-10 concentrations and measured expression of FOXP3 , CTLA-4 , CD28 , and GITR genes, as well as protein expression of selected genes in benign effusions and MPEs. The percentage of Tregs was determined by means of multicolor flow cytometry system...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/29784005/cd8-t-cells-mediate-the-antitumor-activity-of-frankincense-and-myrrh-in-hepatocellular-carcinoma
#10
Chun Xu, Xian Lu, Wei Liu, Anxian Chen, Gang Meng, Hailin Zhang, Binghua Li, Yonghui Zhang, Junhua Wu, Jiwu Wei
BACKGROUND: Tumor-promoting inflammation is an emerging hallmark of cancer, which participates in both cancer progression and immune escape. Hepatocellular carcinoma (HCC) is a typical inflammation-related cancer with an extremely poor prognosis. Frankincense and myrrh are anti-inflammation agents commonly used in clinic. The purpose of this study is to investigate whether extract of frankincense and myrrh (FM) downregulates inflammatory microenvironment of HCC and thereby restores antitumor immune responses...
May 21, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29783162/a-peripheral-immune-response-to-remembering-trauma-contributes-to-the-maintenance-of-fear-memory-in-mice
#11
Matthew B Young, Leonard L Howell, Lauren Hopkins, Cassandra Moshfegh, Zhe Yu, Lauren Clubb, Jessica Seidenberg, Jeanie Park, Adam P Swiercz, Paul J Marvar
Alterations in peripheral immune markers are observed in individuals with post-traumatic stress disorder (PTSD). PTSD is characterized in part by impaired extinction of fear memory for a traumatic experience. We hypothesized that fear memory extinction is regulated by immune signaling stimulated when fear memory is retrieved. The relationship between fear memory and the peripheral immune response was tested using auditory Pavlovian fear conditioning in mice. Memory for the association was quantified by the amount of conditioned freezing exhibited in response to the conditioned stimulus (CS), extinction and time-dependent changes in circulating inflammatory cytokines...
May 17, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29782315/tlr4-gene-expression-and-pro-inflammatory-cytokines-in-alzheimer-s-disease-and-in-response-to-hippocampal-deafferentation-in-rodents
#12
Justin Miron, Cynthia Picard, Josée Frappier, Doris Dea, Louise Théroux, Judes Poirier
One important aspect in Alzheimer's disease pathology is the presence of chronic inflammation. Considering its role as a key receptor in the microglial innate immune system, TLR4 was shown to regulate the binding and phagocytosis of amyloid plaques by microglia in several mouse models of amyloidosis, as well as the production of pro-inflammatory cytokines. To our knowledge, TLR4 and its association with cytokines have not been thoroughly examined in the brains of subjects affected with Alzheimer's disease. Using quantitative reverse transcription polymerase chain reaction (qRT-PCR) in postmortem human brains, we observed increased expression for the TLR4 and TNF genes (p = 0...
May 16, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29782191/lipid-protein-and-microrna-composition-within-mesenchymal-stem-cell-derived-exosomes
#13
Hao Deng, Chun Sun, Yingxin Sun, Huhu Li, Lin Yang, Danbin Wu, Qing Gao, Xijuan Jiang
Mesenchymal stem cells (MSCs) were regarded as one of the most promising type of seed cells in tissue engineering due to its easy accessibility and multipotent feature of being able to differentiate into adipocyte, osteoblast, cardiomyocytes, and neurons. For years, MSCs have been applied in treating cardiovascular disease, reconstructing kidney injury, and remodeling immune system with remarkable achievements. Basic researches revealed that its clinic effects are not only due to their pluripotent ability but also through their paracrine function that they synthesize and secrete a broad spectrum of growth factors and cytokines...
May 21, 2018: Cellular Reprogramming
https://www.readbyqxmd.com/read/29782055/clinical-and-immunological-effects-of-adsorptive-myeloid-lineage-leukocyte-apheresis-in-patients-with-immune-disorders
#14
REVIEW
Takuro Kanekura
Adsorptive granulocyte and monocyte apheresis (GMA) with the Adacolumn® is an extracorporeal treatment, which uses cellulose acetate (CA) beads as adsorptive leukocytapheresis carriers designed to remove elevated and potentially activated myeloid lineage leukocytes. Reports on the clinical efficacy of GMA in patients with skin lesions have appeared in the published work. Dermatological diseases, which are known to respond to GMA, include pyoderma gangrenosum, skin lesions of Behçet's disease, rheumatoid arthritis, pustular psoriasis, psoriatic arthritis, adult-onset Still's disease, Sweet's syndrome, cutaneous allergic vasculitis and systemic lupus erythematosus rashes...
May 21, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29781755/more-robust-gut-immune-responses-induced-by-combining-intranasal-and-sublingual-routes-for-prime-boost-immunization
#15
Hye Suk Hwang, Sao Puth, Wenzhi Tan, Vivek Verma, Kwangjoon Jeong, Shee Eun Lee, Joon Haeng Rhee
Norovirus causes acute and debilitating gastroenteritis, characterized by vomiting and diarrhea. We recently reported a recombinant GII. 4 P domain particle (Pd) vaccine adjuvanted with a flagellin, Vibrio vulnificus FlaB, effectively promoting both humoral and cell-mediated immune responses. In the previous study, we found that sublingual (SL) immunization induced higher fecal secretory IgA (SIgA) responses while intranasal (IN) route provided higher amplitude of humoral and cellular immune responses in the systemic compartment...
May 21, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29781148/improved-osteogenesis-of-boron-incorporated-calcium-silicate-coatings-via-immunomodulatory-effects
#16
Xiang Lu, Kai Li, Youtao Xie, Shengcai Qi, Qingyi Shen, Jiangming Yu, Liping Huang, Xuebin Zheng
Osteoimmunology has revealed the importance of a favorable immune response for successful biomaterial-mediated osteogenesis. Boron-incorporated calcium silicate (Ca11 Si4 B2 O22 , B-CS) coating has been reported as a potential candidate for improving osteogenesis in orthopedic applications in vitro. However, relatively little is known about its effects on the immune response and subsequent osteogenesis. In this work, the immunomodulatory properties of the B-CS coating and its specific mechanism of action were explored...
May 20, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29780651/fatal-outcome-of-imatinib-in-a-patient-with-idiopathic-hypereosinophilic-syndrome
#17
Ashraf Abugroun, Ahmed Chaudhary, Gabriel Rodriguez
Cytokine storm is a poorly explained clinical entity caused by an undesired and aggrandized immune system response leading to unregulated activation of the proinflammatory cascade, often contributing to multisystem organ failure and even death. Its potentially diverse etiologies and sepsis-like presentation have made it even more challenging to diagnose, and so far, no well-established treatment protocol has been proposed. Its association with certain medications, especially with monoclonal antibodies, has well been reported in literature...
2018: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29780375/effect-of-artinm-on-human-blood-cells-during-infection-with-paracoccidioides-brasiliensis
#18
Luciana P Ruas, Livia M Genaro, Amauri S Justo-Junior, Lilian O Coser, Lívia F de Castro, Plinio Trabasso, Ronei L Mamoni, Maria-Cristina Roque-Barreira, Maria-Heloisa S L Blotta
Infections caused by fungi are prominent in our environment and can be potentially fatal. paracoccidioidomycosis (PCM), caused by fungi of the Paracoccidioides genus, is the most frequent systemic mycosis in Brazil and the main cause of death among immunocompetent individuals. The antifungal therapy for PCM is usually effective but side effects and relapses are often reported. The latter could be avoided with alternative or complementary therapies aimed at boosting the immune response to combat this pathogen...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29780305/comparing-effects-of-transforming-growth-factor-%C3%AE-1-on-microglia-from-rat-and-mouse-transcriptional-profiles-and-potassium-channels
#19
Starlee Lively, Doris Lam, Raymond Wong, Lyanne C Schlichter
The cytokine, transforming growth factor β1 (TGFβ1), is up-regulated after central nervous system (CNS) injuries or diseases involving microglial activation, and it has been proposed as a therapeutic agent for treating neuroinflammation. Microglia can produce and respond to TGFβ1. While rats and mice are commonly used for studying neuroinflammation, very few reports directly compare them. Such studies are important for improving pre-clinical studies and furthering translational progress in developing therapeutic interventions...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29779041/the-potential-importance-of-myeloid-derived-suppressor-cells-mdscs-in-the-pathogenesis-of-alzheimer-s-disease
#20
REVIEW
Antero Salminen, Kai Kaarniranta, Anu Kauppinen
The exact cause of Alzheimer's disease (AD) is still unknown, but the deposition of amyloid-β (Aβ) plaques and chronic inflammation indicates that immune disturbances are involved in AD pathogenesis. Recent genetic studies have revealed that many candidate genes are expressed in both microglia and myeloid cells which infiltrate into the AD brains. Invading myeloid cells controls the functions of resident microglia in pathological conditions, such as AD pathology. AD is a neurologic disease with inflammatory component where the immune system is not able to eliminate the perpetrator, while, concurrently, it should prevent neuronal injuries induced by inflammation...
May 19, 2018: Cellular and Molecular Life Sciences: CMLS
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