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Immunomodulation

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https://www.readbyqxmd.com/read/28926740/immunomodulation-in-multiple-sclerosis-promises-and-pitfalls
#1
REVIEW
Calliope A Dendrou, Lars Fugger
Multiple sclerosis (MS) afflicts about 2.5 million people globally and poses a major personal and socioeconomic burden. The recognition of MS as an inflammatory disease, characterized by infiltration of immune cells into the central nervous system, has spurred research into the autoimmune etiology of the condition and has provided the rationale for its treatment through immunomodulation. Experience with immunotherapies in MS to date has suggested a disparity between the observed immune cell infiltration and the progressive loss of neurons...
September 16, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28925977/equine-pbmc-cytokines-profile-after-in-vitro-%C3%AE-and-%C3%AE-ehv-infection-efficacy-of-a-parapoxvirus-ovis-based-immunomodulator-treatment
#2
Erika S Hue, Eric A Richard, Christine I Fortier, Guillaume D Fortier, Romain Paillot, Rudiger Raue, Stéphane L Pronost
Equine herpesviruses (EHV) infect horses early during life and the persistence of these viruses through establishment of latency represents a real risk. A better understanding of the immune response to EHV infection is necessary to improve our methods of prevention and decrease the risk of transmission. The objectives of this study were to characterise the cytokine gene expression profile of peripheral blood mononuclear cells (PBMC) after in vitro EHV-1, EHV-4, and EHV-2 infection and to determine the efficacy of inactivated Parapoxvirus ovis (iPPVO) against these 3 viruses...
September 19, 2017: Vaccines
https://www.readbyqxmd.com/read/28923765/preparation-and-investigation-of-p28gst-loaded-plga-microparticles-for-immunomodulation-of-experimental-colitis
#3
T H Hoang Thi, P A Priemel, Y Karrout, V Driss, M Delbeke, A Dendooven, M P Flament, M Capron, J Siepmann
The aim of this work was to prepare and characterize (in vitro and in vivo) PLGA-based microparticles loaded with an enzymatic protein derived from the helminth parasite Schistosoma haematobium: glutathione S-transferase P28GST (P28GST). This protein is not only a promising candidate vaccine against schistosomiasis, it also exhibits interesting immunomodulating effects, which can be helpful for the regulation of inflammatory diseases. Helminths express a regulatory role on intestinal inflammation, and immunization by P28GST has recently been shown to be as efficient as infection to reduce inflammation in a murine colitis model...
September 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28923082/characterization-of-a-secreted-cystatin-of-the-parasitic-nematode-haemonchus-contortus-and-its-immune-modulatory-effect-on-goat-monocytes
#4
Yujian Wang, Lingyan Wu, Xinchao Liu, Shuai Wang, Muhammad Ehsan, RuoFeng Yan, XiaoKai Song, LiXin Xu, XiangRui Li
BACKGROUND: Haemonchosis is a disease of the small ruminant caused by a nematode parasite Haemonchus contortus, and it is most important and alarming challenges to the small ruminant's production. The infection of the H. contortus could cause high economic losses worldwide. H. contortus is a blood feeding parasite which penetrates into the abomasal mucosa to feed the blood of the host and causing the anemia and decreased total plasma protein. Modulation and suppression of the immune response of the host by nematode parasites have been reported extensively, and the cysteine protease inhibitor (cystatin) is identified as one of the major immunomodulators...
September 18, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28921458/pharmacogenetics-and-pharmacogenomics-in-moderate-to-severe-psoriasis
#5
REVIEW
María C Ovejero-Benito, Ester Muñoz-Aceituno, Alejandra Reolid, Miriam Saiz-Rodríguez, Francisco Abad-Santos, Esteban Daudén
Pharmacogenetics is the study of variations in DNA sequence related to drug response. Moreover, the evolution of biotechnology and the sequencing of human DNA have allowed the creation of pharmacogenomics, a branch of genetics that analyzes human genes, the RNAs and proteins encoded by them, and the inter-and intra-individual variations in expression and function in relation to drug response. Pharmacogenetics and pharmacogenomics are being used to search for biomarkers that can predict response to systemic treatments, including those for moderate-to-severe psoriasis...
September 18, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28917854/tilia-tomentosa-pectins-exhibit-dual-mode-of-action-on-phagocytes-as-%C3%AE-glucuronic-acid-monomers-are-abundant-in-their-rhamnogalacturonans-i
#6
Yordan N Georgiev, Berit S Paulsen, Hiroaki Kiyohara, Milan Ciz, Manol H Ognyanov, Ondrej Vasicek, Frode Rise, Petko N Denev, Antonin Lojek, Tsvetelina G Batsalova, Balik M Dzhambazov, Haruki Yamada, Reidar Lund, Hilde Barsett, Albert I Krastanov, Irina Z Yanakieva, Maria G Kratchanova
Silver linden flowers contain different pectins (PSI-PSIII) with immunomodulating properties. PSI is a low-esterified pectic polysaccharide with predominant homogalacturonan region, followed by rhamnogalacturonan I (RGI) with arabinogalactan II and RGII (traces) domains. PSII and PSIII are unusual glucuronidated RGI polymers. PSIII is a unique high molecular weight RGI, having almost completely O-3 glucuronidated GalA units with >30% O-3 acetylation at the Rha units. Linden pectins induced reactive oxygen species (ROS) and NO generation from non-stimulated whole blood phagocytes and macrophages, resp...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917247/the-optimism-surrounding-stereotactic-body-radiation-therapy-and-immunomodulation
#7
Hannah Tharmalingam, Peter J Hoskin
In recent years, rapidly evolving radiation techniques have enabled the precise delivery of very high doses of radiation to local targets with stereotactic ablative body radiotherapy (SABR). In addition to its direct cytotoxicity, radiation and in particular SABR has powerful immunomodulatory effects resulting in immunogenic cell death and potentiation of the anti-tumour immune response. However, due to the immunosuppressive nature of non-irradiated sites of metastases, radiotherapy alone is seldom sufficient to induce the systemic response required for distant tumour rejection...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28916315/the-effect-of-immune-modulation-of-streptococcus-constellatus-sc10-strain-upon-acinetobactor-baumannii-infection
#8
Abdullah A Alyousef, Israa M S Al-Kadmy
Acinetobacter baumannii is a tiny, plump and rod-shaped Gram-negative coccobacillus, notorious as an opportunistic pathogen, which is now being considered by CDC as a serious public health threat. Preventing colonization may be a better therapeutic choice using microbiota to protect against A. baumannii transmission. Human microbiota not only regulates immune homeostasis as well provides essential health benefits therefore discovering the interface due microbiota in host immune system will allow to recognise novel immuno- or microbe-based therapies...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28915699/biological-effects-and-epidemiological-consequences-of-arsenic-exposure-and-reagents-that-can-ameliorate-arsenic-damage-in-vivo
#9
REVIEW
Chinthalapally V Rao, Sanya Pal, Altaf Mohammed, Mudassir Farooqui, Mark P Doescher, Adam S Asch, Hiroshi Y Yamada
Through contaminated diet, water, and other forms of environmental exposure, arsenic affects human health. There are many U.S. and worldwide "hot spots" where the arsenic level in public water exceeds the maximum exposure limit. The biological effects of chronic arsenic exposure include generation of reactive oxygen species (ROS), leading to oxidative stress and DNA damage, epigenetic DNA modification, induction of genomic instability, and inflammation and immunomodulation, all of which can initiate carcinogenesis...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915287/efficacy-and-safety-of-desoximetasone-0-25-spray-in-adult-atopic-dermatitis-subjects-pilot-study
#10
Lauren K Hoffman, Leon Kircik
BACKGROUND: Atopic dermatitis (AD) is a chronic, relapsing, inflammatory skin disorder. One of the most disturbing symptoms of AD is pruritus. The first line treatment for AD is topical corticosteroids, topical immunomodulators, topical barrier creams, oral antihistamines, and systemic treatments. Desoximetasone 0.25% spray is a superpotent topical corticosteroid delivered in a novel way and it may be a suitable option for the treatment of pruritus in adult atopic dermatitis patients...
September 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28912251/neuro-immune-interaction-and-the-regulation-of-intestinal-immune-homeostasis
#11
Simon Verheijden, Guy E Boeckxstaens
Many essential gastrointestinal functions, including motility, secretion and blood flow are regulated by the autonomic nervous system (ANS), both through intrinsic enteric neurons and extrinsic (sympathetic and parasympathetic) innervation. Recently identified neuro-immune mechanisms, in particular the interplay between enteric neurons and muscularis macrophages, are now considered to be essential for fine-tuning peristalsis. These findings shed new light on how intestinal immune cells can support enteric nervous function...
September 14, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28912184/inflammatory-cardiomyopathic-syndromes
#12
REVIEW
Barry H Trachtenberg, Joshua M Hare
Inflammatory activation occurs in nearly all forms of myocardial injury. In contrast, inflammatory cardiomyopathies refer to a diverse group of disorders in which inflammation of the heart (or myocarditis) is the proximate cause of myocardial dysfunction, causing injury that can range from a fully recoverable syndrome to one that leads to chronic remodeling and dilated cardiomyopathy. The most common cause of inflammatory cardiomyopathies in developed countries is lymphocytic myocarditis most commonly caused by a viral pathogenesis...
September 15, 2017: Circulation Research
https://www.readbyqxmd.com/read/28906316/secondary-loss-of-response-to-infliximab-in-pediatric-crohn-s-disease-does-it-matter-how-and-when-we-start
#13
Rishi Bolia, Jeremy Rosenbaum, Vered Schildkraut, Winita Hardikar, Mark Oliver, Donald Cameron, George Alex
OBJECTIVES: A significant proportion of children with Crohn's disease develop a secondary loss of response (LOR) to infliximab. Our aim was to study the impact of initial treatment strategies on secondary LOR. METHODS: We reviewed the medical records of children with Crohn's disease who received scheduled maintenance infliximab therapy for at least 12 months. We compared children who developed LOR with those who did not; with regards to their clinical and laboratory parameters, disease phenotype and treatment strategy before developing LOR...
September 12, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28906131/effects-of-immunomodulators-on-the-response-induced-by-vaccines-against-autoimmune-diseases
#14
Dante J Marciani
A promising treatment for T-cell-mediated autoimmune diseases is the induction of immune tolerance by modulating the immune response against self-antigens, an objective that may be achieved by vaccination. There are two main types of vaccines currently under development. The tolerogenic vaccines, composed of proteins formed by a cytokine fused to a self-antigen, which usually induce tolerance by eliminating the T-cells that are immune reactive against the self-antigen. The immunogenic vaccines, comprised of a self-antigen plus a sole Th2 adjuvant either free or conjugated, that alleviate autoimmunity by switching the immune response against the self-antigen, from a damaging pro-inflammatory Th1/Th17 to an anti-inflammatory Th2 immunity...
September 14, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28905654/opsoclonus-myoclonus-syndrome-following-long-term-use-of-cyclosporine
#15
Hyun Goo Kang, Sung Kwang Park, Su Jeong Wang, Sun-Young Oh, Han Uk Ryu
BACKGROUND: Cyclosporine A (CsA) is a widely used immunosuppressive agent that may provoke unexpected neurologic complications. The mechanism is unclear and variable intervals have been reported between CsA administration and onset of the related side effects. Here, we describe a case of delayed-onset CsA neurotoxicity presenting as opsoclonus-myoclonus syndrome (OMS). CASE DETAILS: A 37-year-old woman with a two-week period of opsoclonus and upper extremity myoclonus was admitted to our hospital...
September 14, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28905653/induction-of-cellular-and-molecular-immunomodulatory-pathways-by-vitamin-e-and-vitamin-c
#16
Joseph J Bivona, Sapna Patel, Michael Vajdy
Vitamins E and C are well known small molecules that have been used to maintain health for decades. Recent studies of the cellular and molecular pathways leading to immunomodulation by these molecules have been of interest, as have their anti-oxidant properties and signal transduction pathways for curing or improving infectious diseases and cancer. Areas covered: Herein, the authors provide a definition and the structural classification of vitamins E and C and how these molecules influence cellular function...
September 14, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28905118/administration-of-low-dose-combination-anti-ctla4-anti-cd137-and-anti-ox40-into-murine-tumor-or-proximal-to-the-tumor-draining-lymph-node-induces-systemic-tumor-regression
#17
Jonathan P O Hebb, Adriane R Mosley, Felipe Vences-Catalán, Narendiran Rajasekaran, Anna Rosén, Peter Ellmark, Dean W Felsher
The delivery of immunomodulators directly into the tumor potentially harnesses the existing antigen, tumor-specific infiltrating lymphocytes, and antigen presenting cells. This can confer specificity and generate a potent systemic anti-tumor immune response with lower doses and less toxicity compared to systemic administration, in effect an in situ vaccine. Here, we test this concept using the novel combination of immunomodulators anti-CTLA4, -CD137, and -OX40. The triple combination administered intratumorally at low doses to one tumor of a dual tumor mouse model had dramatic local and systemic anti-tumor efficacy in lymphoma (A20) and solid tumor (MC38) models, consistent with an abscopal effect...
September 13, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28904531/potential-therapeutic-mechanisms-and-tracking-of-transplanted-stem-cells-implications-for-stroke-treatment
#18
REVIEW
Yanhong Zhang, Honghong Yao
Stem cell therapy is a promising potential therapeutic strategy to treat cerebral ischemia in preclinical and clinical trials. Currently proposed treatments for stroke employing stem cells include the replacement of lost neurons and integration into the existing host circuitry, the release of growth factors to support and promote endogenous repair processes, and the secretion of extracellular vesicles containing proteins, noncoding RNA, or DNA to regulate gene expression in recipient cells and achieve immunomodulation...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28904445/epidemiology-of-peripheral-neuropathy-an-indian-perspective
#19
REVIEW
Sweety Trivedi, Alak Pandit, Goutam Ganguly, Shyamal Kumar Das
Peripheral neuropathy (PN) is a common disorder and presents as diagnostic and therapeutic challenge to physicians and neurologists. In epidemiological studies from India from various regions the overall prevalence of PN varied from 5 to 2400 per 10,000 population in various community studies. India is composed of a multiethnic, multicultural population who are exposed to different adverse environmental factors such as arsenic and lead. Use of different chemotherapeutic agents with propensity to affect peripheral nerves, increasing methods of diagnosis of connective tissue disorders and use of immunomodulating drugs, growing aging population is expected to change the spectrum and burden of peripheral neuropathy in the community...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28902599/the-potential-role-of-inhibitory-receptors-in-the-treatment-of-psoriasis
#20
Neha Shah, Sabina Sandigursky, Adam Mor
Psoriasis is a common autoimmune disorder that affects the skin. Approximately 30% of individuals with psoriasis will develop inflammatory arthritis, often in the setting of human leukocyte antigen B27. Both forms of disease are thought to be the result of prolonged inflammation mediated by T lymphocytes, dendritic cells, and keratinocytes. While there are treatments aimed at immunomodulation, targeting T cell co-inhibitory receptors signaling pathways may provide therapeutic benefit. This review will discuss in detail four T cell co-inhibitory receptors and their potential application for the treatment of psoriasis and psoriatic arthritis...
May 2017: Bulletin of the Hospital for Joint Diseases
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