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https://www.readbyqxmd.com/read/29041003/depression-in-the-context-of-medical-disorders-new-pharmacological-pathways-revisited
#1
Undine E Lang, Marc Walter
The depressive state has been characterised as one of elevated inflammation, changed cardiovascular parameters and a deranged metabolic situation all of which holds promise for a better understanding and handling of treatment-resistance in affective disorders as well as for future developments in treatment algorithms. In this context several biomarkers are differentially regulated by antidepressant treatment and connected to metabolic, inflammatory, cardiovascular and apoptotic components of the pathophysiology, i...
October 17, 2017: Neuro-Signals
https://www.readbyqxmd.com/read/29040534/macrophages-escape-klotho-gene-silencing-in-the-mdx-mouse-model-of-duchenne-muscular-dystrophy-and-promote-muscle-growth-and-increase-satellite-cell-numbers-through-a-klotho-mediated-pathway
#2
Michelle Wehling-Henricks, Steven S Welc, Guiseppina Samengo, Chiara Rinaldi, Catherine Lindsey, Ying Wang, Jeongyoon Lee, Makoto Kuro-O, James G Tidball
Duchenne muscular dystrophy (DMD) is a muscle wasting disease in which inflammation influences the severity of pathology. We found that the onset of muscle inflammation in the mdx mouse model of DMD coincides with large increases in expression of pro-inflammatory cytokines [tumor necrosis factor-α (TNFα); interferon gamma (IFNγ)] and dramatic reductions of the pro-myogenic protein Klotho in muscle cells and large increases of Klotho in pro-regenerative, CD206+ macrophages. Furthermore, TNFα and IFNγ treatments reduced Klotho in muscle cells and increased Klotho in macrophages...
October 12, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29036979/-role-of-ash2-absent-small-or-homeotic-like-and-jumonji-domain-containing-protein-3-on-histone-methylation-of-interferon-gamma-gene-and-their-associations-with-vascular-damage-of-kawasaki-disease
#3
J H Mei, G Tang, Q Wang, P Q Wen, M G Xu, D Cui, D L Ma, C Liu, G B Wang
Objective: To investigate the impacts of ash2 (absent, small, or homeotic)-like (Ash2L) and Jumonji domain-containing protein 3 (Jmjd3) on histone methylation of interferon-gamma(IFN-γ) gene and association with vascular damage of Kawasaki disease (KD) in acute phase. Methods: This study was performed among 36 children with KD in acute phase (KD group) and 28 age-matched health children (control group), who were treated or underwent physical examination in our hospital between February 2015 and June 2016. Patients were further divided into KD groups with or without coronary artery lesions (KD-CAL(+) , 16 cases; KD-CAL(-), 20 cases)...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29036636/genetic-reduction-of-nrf2-exacerbates-cognitive-deficits-in-a-mouse-model-of-alzheimer-s-disease
#4
Caterina Branca, Eric Ferreira, Thuy-Vi Nguyen, Kristian Doyle, Antonella Caccamo, Salvatore Oddo
Aging is the major risk factor for several neurodegenerative diseases, including Alzheimer's disease (AD). However, the mechanisms by which aging contributes to neurodegeneration remain elusive. The nuclear factor (erythroid-derived 2)-like 2 (Nrf2) is a transcription factor that regulates expression of a vast number of genes by binding to the antioxidant response element. Nrf2 levels decrease as a function of age, and reduced Nrf2 levels have been reported in postmortem human brains and animal models of AD...
September 19, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29034543/pd-l1-expression-is-mainly-regulated-by-ifn-%C3%AE-associated-with-jak-stat-pathway-in-gastric-cancer
#5
Kousaku Mimura, Jun Liang Teh, Hirokazu Okayama, Kensuke Shiraishi, Ley-Fang Kua, Vivien Koh, Duane T Smoot, Hassan Ashktorab, Takahiro Oike, Yoshiyuki Suzuki, Zul Fazreen, Bernadette R Asuncion, Asim Shabbir, Wei-Peng Yong, Jimmy So, Richie Soong, Koji Kono
Despite multidisciplinary treatment for patients with advanced gastric cancer, their prognosis still remains poor. Therefore, the development of novel therapeutic strategies is urgently needed, and immunotherapy utilizing anti-programmed death 1/-programmed death ligand-1 mAb is an attractive approach. However, as there is limited information on how programmed death ligand-1 is upregulated on tumor cells within the tumor microenvironment, we examined the mechanism of programmed death ligand-1 regulation with a particular focus on interferon gamma in in-vitro setting and in clinical samples...
October 16, 2017: Cancer Science
https://www.readbyqxmd.com/read/29033545/downregulation-of-a20-increases-the-cytotoxicity-of-ifn-%C3%AE-in-hepatocellular-carcinoma-cells
#6
Lei Yin, Zheng Fang, Ning-Jia Shen, Ying-He Qiu, Ai-Jun Li, Yong-Jie Zhang
Hepatocellular carcinoma (HCC) is a highly fatal disease mandating development of novel, effective therapeutic strategy. Interferon-gamma (IFN-γ) is a pleiotropic cytokine with immunomodulatory, antiviral, and antitumor effects. Although IFN-γ is a promising antitumor agent, its application is limited by resistance in tumor cells. A20 is a zinc-finger protein that was initially identified as a gene product induced by tumor necrosis factor α in human umbilical vein endothelial cells. In this study, we found that silencing of A20 combined with IFN-γ significantly represses cell viability, and induces apoptosis and cell-cycle arrest in HCC cells...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29031483/duox-expression-in-human-keratinocytes-and-bronchial-epithelial-cells-influence-of-vanadate
#7
Thomas Hill, Robert H Rice
Dual oxygenases (DUOX) 1 and 2, expressed in many animal tissues, participate in host defense at mucosal surfaces and may have important signaling roles through generation of reactive oxygen. Present work addresses their expression in cultured human epidermal keratinocytes and effects of cytokines and metal/metalloid compounds. Both DUOX1 and 2 were expressed at much higher levels after confluence than in the preconfluent state. Maximal DUOX1 mRNA levels were 50 fold those of DUOX2. DUOX1 and 2 were induced ≈3 fold by interleukin 4, but only DUOX1 was induced by interferon gamma (IFNγ)...
October 11, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29028794/condensin-ii-and-gait-complexes-cooperate-to-restrict-line-1-retrotransposition-in-epithelial-cells
#8
Jacqueline R Ward, Kommireddy Vasu, Emily Deutschman, Dalia Halawani, Peter A Larson, Dongmei Zhang, Belinda Willard, Paul L Fox, John V Moran, Michelle S Longworth
LINE-1 (L1) retrotransposons can mobilize (retrotranspose) within the human genome, and mutagenic de novo L1 insertions can lead to human diseases, including cancers. As a result, cells are actively engaged in preventing L1 retrotransposition. This work reveals that the human Condensin II complex restricts L1 retrotransposition in both non-transformed and transformed cell lines through inhibition of L1 transcription and translation. Condensin II subunits, CAP-D3 and CAP-H2, interact with members of the Gamma-Interferon Activated Inhibitor of Translation (GAIT) complex including the glutamyl-prolyl-tRNA synthetase (EPRS), the ribosomal protein L13a, Glyceraldehyde 3-phosphate dehydrogenase (GAPDH), and NS1 associated protein 1 (NSAP1)...
October 13, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29022387/lactobacillus-plantarum-is-10506-supplementation-reduced-scorad-in-children-with-atopic-dermatitis
#9
C R S Prakoeswa, N Herwanto, R Prameswari, L Astari, S Sawitri, A N Hidayati, D M Indramaya, E R Kusumowidagdo, I S Surono
Lactobacillus plantarum IS-10506 is a novel probiotic isolated from dadih, an Indonesian traditional fermented buffalo milk. It's in vitro and in vivo probiotic properties have been assessed. Probiotic function has been shown in vivo by the suppression of allergic reactions in BALB/c mice through the action of T-regulatory cells cytokines by balancing Th1 and Th2 immune response. Atopic dermatitis (AD) is a chronic recurrent inflammatory skin disease characterised by the imbalance of Th1 and Th2. The aim of the study was to assess the probiotic function of L...
October 12, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/29020010/assay-optimisation-and-technology-transfer-for-multi-site-immuno-monitoring-in-vaccine-trials
#10
Steven G Smith, Stephanie A Harris, Iman Satti, Donna Bryan, K Barry Walker, Hazel M Dockrell, Helen McShane, Mei Mei Ho
Cellular immunological assays are important tools for the monitoring of responses to T-cell-inducing vaccine candidates. As these bioassays are often technically complex and require considerable experience, careful technology transfer between laboratories is critical if high quality, reproducible data that allows comparison between sites, is to be generated. The aim of this study, funded by the European Union Framework Program 7-funded TRANSVAC project, was to optimise Standard Operating Procedures and the technology transfer process to maximise the reproducibility of three bioassays for interferon-gamma responses: enzyme-linked immunosorbent assay (ELISA), ex-vivo enzyme-linked immunospot and intracellular cytokine staining...
2017: PloS One
https://www.readbyqxmd.com/read/29018452/kv1-3-channel-blockade-modulates-the-effector-function-of-b-cells-in-granulomatosis-with-polyangiitis
#11
Judith Land, Lucas L Lintermans, Coen A Stegeman, Ernesto J Muñoz-Elías, Eric J Tarcha, Shawn P Iadonato, Peter Heeringa, Abraham Rutgers, Wayel H Abdulahad
B cells are central to the pathogenesis of granulomatosis with polyangiitis (GPA), exhibiting both (auto)antibody-dependent and -independent properties. Class-switched memory B cells in particular are a major source of pathogenic autoantibodies. These cells are characterized by high expression levels of Kv1.3 potassium channels, which may offer therapeutic potential for Kv1.3 blockade. In this study, we investigated the effect of the highly potent Kv1.3 blocker ShK-186 on B cell properties in GPA in vitro. Circulating B cell subsets were determined from 33 GPA patients and 17 healthy controls (HCs)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29017941/novel-ifn%C3%AE-homologue-identified-in-nile-tilapia-oreochromis-niloticus-links-with-immune-response-in-gills-under-different-stimuli
#12
Janet Velázquez, Jannel Acosta, Naylin Herrera, Antonio Morales, Osmany González, Fidel Herrera, Mario Pablo Estrada, Yamila Carpio
Interferon gamma (IFN-γ) has important roles in both innate and adaptive immune responses. This cytokine plays a very important role in defining Th1 immune response in all vertebrates. In the present study, we identified and isolated for the first time the gene coding for Nile tilapia (Oreochromis niloticus) IFNγ from spleen lymphocytes. The isolated tilapia IFNγ has between 23 and 62% of amino acid identity as compared to reported sequences for other teleost fishes. It has close phylogenetic relationships with IFNγ molecules belonging to the group of Perciforms and presents the typical structural characteristics of gamma interferon molecules...
October 7, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29017616/quantitative-interferon-gamma-responses-predict-future-disease-progression-in-badgers-naturally-infected-with-mycobacterium-bovis
#13
S N Buzdugan, M A Chambers, R J Delahay, J A Drewe
The diagnosis and control of Mycobacterium bovis infection (bovine tuberculosis: TB) continues to present huge challenges to the British cattle industry. A clearer understanding of the magnitude and duration of immune response to M. bovis infection in the European badger (Meles meles) - a wildlife maintenance host - may assist with the future development of diagnostic tests, and vaccination and disease management strategies. Here, we analyse 5280 diagnostic test results from 550 live wild badgers from a naturally-infected population to investigate whether one diagnostic test (a gamma interferon release [IFNγ] assay, n = 550 tests) could be used to predict future positive results on two other tests for the same disease (a serological test [n = 2342 tests] and mycobacterial culture [n = 2388 tests]) and hence act as an indicator of likely bacterial excretion or disease progression...
October 11, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/29016903/screening-for-latent-tuberculosis-in-uk-health-care-workers
#14
M Henderson, S J Howard
Background: Active tuberculosis (TB) infection was diagnosed in two health care workers (HCWs) originally from high-incidence countries at a National Health Service (NHS) hospital trust in Northern England. In response, the trust screened current clinical employees from countries with a high TB prevalence for active and latent TB infection (LTBI). Aims: To identify the number of HCWs, within the organization, who are at risk of TB infection. Methods: Clinical employees from countries with a high TB prevalence (those described by the World Health Organization as having an incidence of >40 cases per 100000 populations) were reviewed...
August 9, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28993759/the-four-way-stop-sign-viruses-12-lipoxygenase-islets-and-natural-killer-cells-in-type-1-diabetes-progression
#15
Michele L Semeraro, Lindsey M Glenn, Margaret A Morris
Natural killer (NK) cells represent an important effector arm against viral infection, and mounting evidence suggests that viral infection plays a role in the development of type 1 diabetes (T1D) in at least a portion of patients. NK cells recognize their target cells through a delicate balance of inhibitory and stimulatory receptors on their surface. If unbalanced, NK cells have great potential to wreak havoc in the pancreas due to the beta cell expression of the as-yet-defined NKp46 ligand through interactions with the activating NKp46 receptor found on the surface of most NK cells...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28990426/gene-therapy-for-modulation-of-t-cell-mediated-immune-response-provoked-by-corneal-transplantation
#16
Marko Pastak, Veronika Kleff, Daniel Raphael Saban, Marta Czugala, Klaus-Peter Steuhl, Süleyman Ergün, Bernhard Singer, Thomas Armin Fuchsluger
Corneal transplantation (=keratoplasty) is the most common type of tissue replacement in the world. The increased rate of graft rejection after keratoplasty is a central problem for repeated transplantations and in inflamed host corneas. It has been shown that apoptosis of grafted epithelium has a role in corneal allograft rejection. Our study focused on the T cell response triggered in BALB/c mice after allogeneic corneal transplantation with and without anti-apoptotic p35-transduced epithelium. To restrict p35 expression to the epithelial cells we created modified allogeneic composite grafts...
October 7, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28989911/the-effect-of-levothyroxine-on-serum-levels-of-interleukin-10-and-interferon-gamma-in-rat-model-of-multiple-sclerosis
#17
Cobra Payghani, Fatemeh Khani, Aryan Rafiee Zadeh, Parham Reisi, Hojjatallah Alaei, Bahman Rashidi
BACKGROUND: There is an increase in inflammatory and a reduction in anti-inflammatory cytokines in multiple sclerosis (MS). Considering the role of thyroid hormones in the development and regulation of both neural and immune systems, the aim of this study was to evaluate the effects of levothyroxine on serum concentrations of interleukin-10 (IL-10) and interferon gamma (IFN-γ) in animal models of MS. MATERIALS AND METHODS: To induce demyelination in male Wistar rats, lysolecithin was injected into the optic chiasm...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28988038/innate-immune-transcriptomic-evaluation-of-pbmc-isolated-from-sheep-after-infection-with-e-ruminantium-welgevonden-strain
#18
T Nefefe, J Liebenberg, M van Kleef, H C Steyn, A Pretorius
Heartwater is a tick-borne non-infectious fatal disease of wild and domestic ruminants caused by the bacterium Ehrlichia ruminantium, transmitted by Amblyomma ticks. Although there is evidence that interferon-gamma (IFN-γ) controls E. ruminantium growth and that cellular immune responses could be protective, an effective recombinant vaccine for this disease is lacking. An overall analysis of which immune pathways are up- or down-regulated in sheep peripheral blood mononuclear cells is expected to lead to a better understanding of the global immune response of sheep to E...
October 4, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28987882/radiation-enhanced-delivery-of-systemically-administered-amphiphilic-cpg-oligodeoxynucleotide
#19
Oliver K Appelbe, Kelly D Moynihan, Amy Flor, Nick Rymut, Darrell J Irvine, Stephen J Kron
Along with vaccines and checkpoint blockade, immune adjuvants may have an important role in tumor immunotherapy. Oligodeoxynucleotides containing unmethylated cytidyl guanosyl dinucleotide motifs (CpG ODN) are TLR9 ligands with attractive immunostimulatory properties, but intratumoral administration has been required to induce an effective anti-tumor immune response. Following on recent studies with radiation-targeted delivery of nanoparticles, we examined enhanced tumor-specific delivery of amphiphile-CpG, an albumin-binding analog of CpG ODN, following systemic administration 3days after tumor irradiation...
October 5, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28986561/galectin-3-captures-interferon-gamma-in-the-tumor-matrix-reducing-chemokine-gradient-production-and-t-cell-tumor-infiltration
#20
Monica Gordon-Alonso, Thibault Hirsch, Claude Wildmann, Pierre van der Bruggen
The presence of T cells in tumors predicts overall survival for cancer patients. However, why most tumors are poorly infiltrated by T cells is barely understood. T-cell recruitment towards the tumor requires a chemokine gradient of the critical IFNγ-induced chemokines CXCL9/10/11. Here, we describe how tumors can abolish IFNγ-induced chemokines, thereby reducing T-cell attraction. This mechanism requires extracellular galectin-3, a lectin secreted by tumors. Galectins bind the glycans of glycoproteins and form lattices by oligomerization...
October 6, 2017: Nature Communications
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