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https://www.readbyqxmd.com/read/28346317/the-csf-immune-response-in-hiv-1-associated-cryptococcal-meningitis-macrophage-activation-correlates-of-disease-severity-and-effect-of-antiretroviral-therapy
#1
James E Scriven, Lisa M Graham, Charlotte Schutz, Thomas J Scriba, Katalin A Wilkinson, Robert J Wilkinson, David R Boulware, Britta C Urban, Graeme Meintjes, David G Lalloo
BACKGROUND: Immune modulation may improve outcome in HIV-associated cryptococcal meningitis. Animal studies suggest alternatively activated macrophages are detrimental but human studies are limited. We performed a detailed assessment of the cerebrospinal fluid (CSF) immune response and examined immune correlates of disease severity and poor outcome, and the effects of antiretroviral therapy (ART). METHODOLOGY: We enrolled persons ≥18 years with first episode of HIV-associated cryptococcal meningitis...
March 24, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28344882/tumor-pd-l1-expression-is-correlated-with-increased-tils-and-poor-prognosis-in-penile-squamous-cell-carcinoma
#2
Chuangzhong Deng, Zaishang Li, Shengjie Guo, Peng Chen, Xiaofeng Chen, Qianghua Zhou, Jieping Chen, Xingsu Yu, Xiaoliang Wu, Wenjuan Ma, Qiankun Xie, Yunlin Ye, Yonghong Li, Zike Qin, Zhuowei Liu, Ranyi Liu, Zhenfeng Zhang, Kai Yao, Hui Han, Fangjian Zhou
Despite its rare incidence worldwide, penile squamous cell carcinoma (PeSCC) still presents with significant morbidity and mortality due to the limited treatment options for advanced patients, especially those in developing countries. The program death-1 (PD-1)/PD-1 ligand (PD-L1) axis has been demonstrated to play an important role in tumor immune escape, and immunotherapies targeting this pathway have shown great success in certain cancer types. Here, we analyzed the expression pattern of PD-L1 in tumor cells and tumor-infiltrating lymphocytes (TILs) in PeSCC with a multi-center cohort...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344212/age-dependent-effects-of-prenatal-dexamethasone-exposure-on-immune-responses-in-male-rats
#3
Ming-Yi Chou, Li-Tung Huang, You-Lin Tain, Ho-Chang Kuo, Mao-Meng Tiao, Jiunn-Ming Sheen, Chih-Cheng Chen, Pi-Lien Hung, Kai-Sheng Hsieh, Hong-Ren Yu
Prenatal glucocorticoid therapy is indicated in preterm delivery to prevent respiratory distress. This study was designed to evaluate the age-dependent effects of prenatal dexamethasone (DEX) therapy on the immune system using a rat model. Pregnant Sprague-Dawley rats received an intraperitoneal injection of DEX (0.1 mg/kg/day) or saline (VEH) over gestational days 14-20. Male offspring were sacrificed at postnatal day 7 (D7; infant stage), D120 (young adult stage), and D180 (adult stage) for evaluation of leukocyte subsets and isolation of splenocytes...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28343781/sublingual-targeting-of-sting-with-3-3-cgamp-promotes-systemic-and-mucosal-immunity-against-anthrax-toxins
#4
Tara L Martin, Junbae Jee, Eunsoo Kim, Haley E Steiner, Estelle Cormet-Boyaka, Prosper N Boyaka
Anthrax is caused by Bacillus anthracis, a zoonotic bacterial pathogen affecting humans and livestock worldwide. The current human anthrax vaccine, anthrax vaccine adsorbed (AVA), is an injected vaccine with a cumbersome administration schedule and fails to promote mucosal immunity. Bacterial enterotoxins, which stimulate production of the cyclic nucleotide cAMP are effective experimental mucosal vaccine adjuvants, but their inherent toxicity has precluded their use in humans. We investigated whether cyclic dinucleotides that target Stimulator of Interferon Gamma Genes (STING) in mammalian cells could represent an alternative to bacterial enterotoxins as adjuvant for sublingual immunization and promotion of mucosal immunity and secretory IgA responses in addition to systemic immunity...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28342814/tear-cytokine-profile-of-glaucoma-patients-treated-with-preservative-free-or-preserved-latanoprost
#5
Jose M Martinez-de-la-Casa, Francisco Perez-Bartolome, Elena Urcelay, Jose L Santiago, Javier Moreno-Montañes, Pedro Arriola-Villalobos, Jose M Benitez-Del-Castillo, Julian Garcia-Feijoo
PURPOSE: To determine variations in cytokine levels of glaucoma patients treated either with preservative-free latanoprost or preserved latanoprost, relative to healthy individuals. METHODS: Tear samples were collected from 39 healthy subjects, 20 glaucoma patients treated with preserved latanoprost, and 20 patients treated with preservative-free latanoprost. A set of 27 inflammatory cytokines was analyzed in each group, including interleukin (IL)-1β, IL-1ra, IL-2, IL-4, IL-5, IL-6, IL-7, IL-8, IL9, IL-10, IL-12 (p70), IL-13, IL-15, IL-17, eotaxin, fibroblast growth factor (FGF) basic, granulocyte colony stimulating factor (G-CSF), granulocyte monocyte colony stimulating factor (GM-CSF), interferon (IFN)-γ, interferon gamma-induced protein (IP)-10, monocyte chemo attractant protein (MCP)-1MCAF, macrophage inflammatory protein (MIP)-1α, MIP-1β, platelet-derived growth factor (PDGF)-BB, regulated on activation, normal T cell expressed and secreted (RANTES), tumor necrosis factor (TNF)-α and vascular endothelial growth factor (VEGF)...
March 22, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28342802/adjuvant-interferon-gamma-immunotherapy-in-a-patient-with-progressive-cerebral-nocardia-abscesses
#6
Jenneke Leentjens, Mark S Gresnigt, Frank L van de Veerdonk, Matthijs Kox, Bart Jan Kullberg, Peter Pickkers, Annemarie E Brouwer, Mihai G Netea
Despite advances in medical care, mortality due to cerebral Nocardia abscesses remains unacceptably high. In this report we present a typical immunocompromised patient, who deteriorated clinically despite optimal antimicrobial treatment. Adjuvant immunotherapy with IFN-γ resulted in partial restoration of the immune response, and paralleled clinical and radiographic recovery.
March 22, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28342599/concentrate-supplementation-of-a-diet-based-on-medium-quality-grass-silage-for-4-weeks-prepartum-effects-on-cow-performance-health-metabolic-status-and-immune-function
#7
M W Little, N E O'Connell, M D Welsh, F J Mulligan, C P Ferris
Because negative energy balance (EB) contributes to transition-period immune dysfunction in dairy cows, dietary management strategies should aim to minimize negative EB during this time. Prepartum diets that oversupply energy may exacerbate negative EB in early lactation, with detrimental effects on immune function. However, with lower body condition score (BCS) cows, it has been shown that offering concentrates in addition to a grass silage-based diet when confined during an 8-wk dry period resulted in increased neutrophil function in early lactation...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28339906/interstitial-fibrosis-scored-on-whole-slide-digital-imaging-of-kidney-biopsies-is-a-predictor-of-outcome-in-proteinuric-glomerulopathies
#8
Laura H Mariani, Sebastian Martini, Laura Barisoni, Pietro A Canetta, Jonathan P Troost, Jeffrey B Hodgin, Matthew Palmer, Avi Z Rosenberg, Kevin V Lemley, Hui-Ping Chien, Jarcy Zee, Abigail Smith, Gerald B Appel, Howard Trachtman, Stephen M Hewitt, Matthias Kretzler, Serena M Bagnasco
Background.: Interstitial fibrosis (IF), tubular atrophy (TA) and interstitial inflammation (II) are known determinants of progression of renal disease. Standardized quantification of these features could add value to current classification of glomerulopathies. Methods.: We studied 315 participants in the Nephrotic Syndrome Study Network (NEPTUNE) study, including biopsy-proven minimal change disease (MCD = 98), focal segmental glomerulosclerosis (FSGS = 121), membranous nephropathy (MN = 59) and IgA nephropathy (IgAN = 37)...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339344/correlation-of-leptin-adiponectin-and-resistin-levels-in-different-types-of-lipodystrophy-in-hiv-aids-patients
#9
Danica Srdic, Al Musalhi Khawla, Ivan Soldatovic, Jelena Nikolic, Djordje Jevtovic, Devaki Nair, Gordana Dragovic
BACKGROUND: Leptin, adiponectin, and resistin may play an important role in the development of lipodystrophy (LD) in HIV/AIDS patients. The aim of this study was to correlate levels of leptin, adiponectin, and resistin between HIV/AIDS patients with LD and without lipodystrophy (non-LD), as well as between subgroups of LD [lipoatrophy (LA), lipohypertrophy (LH), and mixed fat redistribution (MFR)] and non-LD patients. METHODS: Cross-sectional study of 66 HIV/AIDS patients...
April 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28337224/gut-mesenchymal-stromal-cells-in-immunity
#10
REVIEW
Valeria Messina, Carla Buccione, Giulia Marotta, Giovanna Ziccheddu, Michele Signore, Gianfranco Mattia, Rossella Puglisi, Benedetto Sacchetti, Livia Biancone, Mauro Valtieri
Mesenchymal stromal cells (MSCs), first found in bone marrow (BM), are the structural architects of all organs, participating in most biological functions. MSCs possess tissue-specific signatures that allow their discrimination according to their origin and location. Among their multiple functions, MSCs closely interact with immune cells, orchestrating their activity to maintain overall homeostasis. The phenotype of tissue MSCs residing in the bowel overlaps with myofibroblasts, lining the bottom walls of intestinal crypts (pericryptal) or interspersed within intestinal submucosa (intercryptal)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28337207/gastrointestinal-microbiome-dysbiosis-in-infant-mice-alters-peripheral-cd8-t-cell-receptor-signaling
#11
Gabriela Gonzalez-Perez, Esi S N Lamousé-Smith
We recently reported that maternal antibiotic treatment (MAT) of mice in the last days of pregnancy and during lactation dramatically alters the density and composition of the gastrointestinal microbiota of their infants. MAT infants also exhibited enhanced susceptibility to a systemic viral infection and altered adaptive immune cell activation phenotype and function. CD8(+) effector T cells from MAT infants consistently demonstrate an inability to sustain interferon gamma (IFN-γ) production in vivo following vaccinia virus infection and in vitro upon T cell receptor (TCR) stimulation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28336871/magnetic-nanovectors-for-the-development-of-dna-blood-stage-malaria-vaccines
#12
Fatin M Nawwab Al-Deen, Sue D Xiang, Charles Ma, Kirsty Wilson, Ross L Coppel, Cordelia Selomulya, Magdalena Plebanski
DNA vaccines offer cost, flexibility, and stability advantages, but administered alone have limited immunogenicity. Previously, we identified optimal configurations of magnetic vectors comprising superparamagnetic iron oxide nanoparticles (SPIONs), polyethylenimine (PEI), and hyaluronic acid (HA) to deliver malaria DNA encoding Plasmodium yoelii (Py) merozoite surface protein MSP119 (SPIONs/PEI/DNA + HA gene complex) to dendritic cells and transfect them with high efficiency in vitro. Herein, we evaluate their immunogenicity in vivo by administering these potential vaccine complexes into BALB/c mice...
February 10, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28334685/serum-ifn-%C3%AE-induced-protein-10-ip-10-as-a-biomarker-for-severity-of-acute-respiratory-infection-in-healthy-adults
#13
Mary S Hayney, Kelsey M Henriquez, Jodi H Barnet, Tola Ewers, Heather M Champion, Sean Flannery, Bruce Barrett
BACKGROUND: The inflammatory chemokine, interferon-gamma inducible protein of 10kDa (IP-10), is a biomarker associated with several conditions. OBJECTIVES: This study investigated serum concentrations of IP-10 in healthy individuals who developed acute respiratory infection (ARI). The hypothesis is that serum IP-10 concentrations correlate with ARI severity and detection of viral pathogens. STUDY DESIGN: Data come from a randomized controlled trial measuring the effects of mindfulness meditation or exercise on ARI (Clinical Trials ID: NCT01654289)...
March 16, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28332776/interferon-gamma-and-interleukin-10-polymorphisms-in-chinese-children-with-hemophagocytic-lymphohistiocytosis
#14
Qi An, Shao-Yan Hu, Cheng-Min Xuan, Ming-Wei Jin, Qiang Ji, Yi Wang
AIM: The aim of the study is to investigate the association of interferon gamma (IFN-γ) and interleukin-10 (IL-10) gene single nucleotide polymorphisms with the susceptibility of hemophagocytic lymphohistiocytosis (HLH) in Chinese children without known family history of HLH. PROCEDURE: Forty children with HLH and 160 age- and gender-matched healthy controls from Xuzhou Children's Hospital were enrolled in the study. Serum IFN-γ and IL-10 levels were measured by enzyme linked-immunosorbent assay...
March 23, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28332235/toll-like-receptor-and-related-cytokine-mrna-expression-in-bovine-corpora-lutea-during-the-oestrous-cycle-and-pregnancy
#15
J E Gadsby, A M Tyson Nipper, H A Faircloth, M D'Annibale-Tolhurst, J Chang, P W Farin, I M Sheldon, D H Poole
Improving our understanding of the mechanisms controlling the corpus luteum (CL) and its role in regulating the reproductive cycle should lead to improvements in the sustainability of today's global animal industry. The corpus luteum (CL) is a transient endocrine organ composed of a heterogeneous mixture steroidogenic, endothelial and immune cells, and it is becoming clear that immune mechanisms play a key role in CL regulation especially in luteolysis. Toll-like receptors (TLR) mediate innate immune mechanisms via the production of pro-inflammatory cytokines, especially within various tissues, although the role of TLR within CL remains unknown...
March 22, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28331843/curative-effect-of-hf10-on-liver-and-peritoneal-metastasis-mediated-by-host-antitumor-immunity
#16
Yoshihiro Hotta, Hideki Kasuya, Itzel Bustos, Yoshinori Naoe, Toru Ichinose, Maki Tanaka, Yasuhiro Kodera
BACKGROUND: HF10 is a highly attenuated type 1 herpes simplex virus (HSV) with proven effective oncolytic effect. Previous investigations have demonstrated that colon cancer mice model treated with HF10 not only had better survival but were also resistant to the reimplantation of the antitumor effect mediated by host antitumor immunity. Importantly, it has also been noted that in mice with antitumors implanted on both sides of the back, an injection of HF10 on only one side strongly restrains not only the injected antitumor but also the non-injected ones...
2017: Oncolytic Virotherapy
https://www.readbyqxmd.com/read/28331078/tuberculin-skin-testing-boosts-interferon-gamma-responses-to-diva-reagents-in-mycobacterium-bovis-infected-cattle
#17
Gareth J Jones, Mick Coad, Bhagwati Khatri, Javier Bezos, Natalie A Parlane, Bryce M Buddle, Bernardo Villarreal-Ramos, R Glyn Hewinson, H Martin Vordermeier
BCG vaccination sensitises cattle to bovine tuberculin which compromises the use of the current bovine TB surveillance tests. Although the performance of a blood test (that utilises antigens expressed by Mycobacterium bovis but not by BCG) capable of discriminating infected from vaccinated animals (DIVA interferon-gamma test, DIT) has been evaluated in naturally infected TB field reactors, there is a need to perform similar analysis in a BCG vaccinated/M. bovis infected population. Furthermore, we explored different scenarios under which a DIT may be implemented alongside BCG vaccination: (i) serial testing to resolve potential false positive skin test results; or (ii) standalone test to replace the single intradermal comparative cervical tuberculin skin test (SICCT)...
March 22, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28330786/investigating-acetaminophen-hepatotoxicity-in-multi-cellular-organotypic-liver-models
#18
Sophia M Orbach, Margaret E Cassin, Marion F Ehrich, Padmavathy Rajagopalan
In vivo studies clearly demonstrate the participation and subsequent death of non-parenchymal liver cells (NPCs) with corresponding hepatocyte effects. This results in a critical need to investigate how major liver cell types function cohesively during hepatotoxicity. However, virtually no studies replicate these phenomena in vitro. We report the design of multi-cellular three-dimensional (3D) organotypic liver models of primary rat hepatocytes, liver sinusoidal endothelial cells (LSECs) and Kupffer cells (KCs)...
March 19, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28325761/the-aryl-hydrocarbon-receptor-governs-epithelial-cell-invasion-during-oropharyngeal-candidiasis
#19
Norma V Solis, Marc Swidergall, Vincent M Bruno, Sarah L Gaffen, Scott G Filler
Oropharyngeal candidiasis (OPC), caused predominantly by Candida albicans, is a prevalent infection in patients with advanced AIDS, defects in Th17 immunity, and head and neck cancer. A characteristic feature of OPC is fungal invasion of the oral epithelial cells. One mechanism by which C. albicans hyphae can invade oral epithelial cells is by expressing the Als3 and Ssa1 invasins that interact with the epidermal growth factor receptor (EGFR) on epithelial cells and stimulate endocytosis of the organism. However, the signaling pathways that function downstream of EGFR and mediate C...
March 21, 2017: MBio
https://www.readbyqxmd.com/read/28323055/a-6-alkylsalicylate-histone-acetyltransferase-inhibitor-inhibits-histone-acetylation-and-pro-inflammatory-gene-expression-in-murine-precision-cut-lung-slices
#20
Thea van den Bosch, Niek G J Leus, Hannah Wapenaar, Alexander Boichenko, Jos Hermans, Rainer Bischoff, Hidde J Haisma, Frank J Dekker
Lysine acetylations are post-translational modifications of cellular proteins, that are crucial in the regulation of many cellular processes. Lysine acetylations on histone proteins are part of the epigenetic code regulating gene transcription and are installed by histone acetyltransferases. Observations that inflammatory lung diseases, such as asthma and chronic obstructive pulmonary disease, are characterized by increased histone acetyltransferase activity indicate that development of small molecule inhibitors for these enzymes might be a valuable approach towards new therapies for these diseases...
March 16, 2017: Pulmonary Pharmacology & Therapeutics
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