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Immunomodulation

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https://www.readbyqxmd.com/read/28749553/myelopathy-in-beh%C3%A3-et-s-disease-the-bagel-sign
#1
Ugur Uygunoglu, Burcu Zeydan, Yesim Ozguler, Serdal Ugurlu, Emire Seyahi, Naci Kocer, Civan Islak, Kejal Kantarci, Sabahattin Saip, Aksel Siva, Orhun H Kantarci
OBJECTIVE: To describe the clinical and distinctive imaging features of myelopathy associated with Behçet's disease. METHODS: We evaluated the records of patients meeting the following criteria: a) fulfillment of the International Study Group criteria for Behçet's disease; b) clinically suggestive of myelopathy; c) simultaneous spinal cord and brain MRIs within 1 month of acute worsening of myelopathy; d) follow-up duration ≥1 year after initial MRI evaluation...
July 27, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28748968/drug-induced-gastrointestinal-injury-digi-updates-reflections-and-key-points
#2
G De Petris, L De Marco, J I López
The goals of this short narrative review are 1) to provide an update in recent developments in the field of drug-induced gastrointestinal injury (DIGI), and 2) to distill few key points to approach with confidence a difficult and vast area of gastrointestinal pathology. DIGI is a challenging diagnosis as it can produce almost any pattern of the injury of the gastrointestinal tract. The recognition of a pattern and the knowledge of which drugs can produce that pattern, are the first step of the diagnostic process; communication with the clinical team and a high level of suspicion are then paramount...
June 2017: Pathologica
https://www.readbyqxmd.com/read/28747010/traditional-knowledge-to-clinical-trials-a-review-on-therapeutic-actions-of-emblica-officinalis
#3
REVIEW
Suraj Singh Yadav, Manish Kumar Singh, Pawan Kumar Singh, Vipin Kumar
Plants are the integral part of the traditional indigenous healthcare system and are becoming concrete source of new drug discovery, evident by the increasing numbers of modern drugs derived from the phytochemicals. Emblica officinalis Gaertn. or Phyllanthus emblica Linn (family Phyllanthaceae) has been explained extensively and well documented for its therapeutic efficacies in indigenous system of medicine, in India. Every part of this plant possesses high medicinal value but fruits are the most valuable part in folklore and therapeutic uses...
July 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28745220/tuftsin-properties-and-analogs
#4
Agnieszka Siebert, Monika Gensicka-Kowalewska, Grzegorz Cholewiński, Krystyna Dzierzbicka
Immunomodulation is one of the significant therapeutic strategies. It includes both stimulation or suppression of the immune system by a variety of substances called immunomodulators, designed to regulate the immune response of the organism to infections of varying etiology. An example of such a substance is tuftsin (TKPA) 3 (Fig. (1)). Tuftsin is an endogenous immunomodulator of a wide spectrum of biological activity. Tetrapeptide 3 provides also antitumor, antimicrobial, anticoagulant and analgesic properties...
July 25, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28744845/drug-induced-dental-caries-a-disproportionality-analysis-using-data-from-vigibase
#5
Emilie Patras de Campaigno, Inès Kebir, Jean-Louis Montastruc, Manuela Rueter, Delphine Maret, Maryse Lapeyre-Mestre, Brigitte Sallerin, Fabien Despas
INTRODUCTION: Dental caries is defined as a pathological breakdown of the tooth. It is an infectious phenomenon involving a multifactorial aetiology. The impact of drugs on cariogenic risk has been poorly investigated. OBJECTIVES: In this study, we identified drugs suspected to induce dental caries as adverse drug reactions (ADRs) and then studied a possible pathogenic mechanism for each drug that had a statistically significant disproportionality. METHODS: We extracted individual case safety reports of dental caries associated with drugs from VigiBase(®) (the World Health Organization global individual case safety report database)...
July 25, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28744067/helminth-products-potently-modulate-experimental-autoimmune-encephalomyelitis-by-downregulating-neuroinflammation-and-promoting-a-suppressive-microenvironment
#6
Alberto N Peón, Yadira Ledesma-Soto, Jonadab E Olguín, Marcel Bautista-Donis, Edda Sciutto, Luis I Terrazas
A negative correlation between the geographical distribution of autoimmune diseases and helminth infections has been largely associated in the last few years with a possible role for such type of parasites in the regulation of inflammatory diseases, suggesting new pathways for drug development. However, few helminth-derived immunomodulators have been tested in experimental autoimmune encephalomyelitis (EAE), an animal model of the human disease multiple sclerosis (MS). The immunomodulatory activities of Taenia crassiceps excreted/secreted products (TcES) that may suppress EAE development were sought for...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28743043/neurotrophy-and-immunomodulation-of-induced-neural-stem-cell-grafts-in-a-mouse-model-of-closed-head-injury
#7
Mou Gao, Hui Yao, Qin Dong, Yan Zhang, Yang Yang, Yihua Zhang, Zhijun Yang, Minhui Xu, Ruxiang Xu
Closed head injury (CHI) usually results in severe and permanent neurological impairments, which are caused by several intertwined phenomena, such as cerebral edema, blood-brain barrier (BBB) disruption, neuronal loss, astroglial scarring and inflammation. We previously reported that induced neural stem cells (iNSCs), similar to neural stem cells (NSCs), can accelerate neurological recovery in vivo and produce neurotrophic factors in vitro. However, the effects of iNSC neurotrophy following CHI were not determined...
July 18, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28742984/single-versus-combined-immunoregulatory-approach-using-pd-1-and-ctla-4-modulators-in-controlling-sepsis
#8
Courtney P Rudick, David L Cornell, Devendra K Agrawal
Sepsis is a disease process characterized by an extreme inflammatory response followed by a period of severe immunosuppression. In recent years, there has been improved survival in the initial immune response during systemic inflammatory response syndrome, and compensatory anti-inflammatory response, yet is mostly unchanged with 18-30% mortality during the later stage of sepsis despite numerous Phase 3 clinical trials. Areas covered: This review article presents a critical evaluation of the most promising newer studies aimed at improving the immunosuppressive stage of sepsis...
July 25, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28740520/vitamin-d-levels-and-their-impact-on-mineral-metabolism-in-hiv-infected-patients-an-exploratory-study
#9
Silvina Mastaglia, Dana Watson, Natalia Bello, Vanesa Fridman, Daniel Stecher, Beatriz Oliveri
Vitamin D has immunomodulating properties. The nuclear receptor for vitamin D is expressed in several immune cells, which convert 25-hydroxyvitamin D (25OHD) to the active form 1,25 hydroxyvitamin D [1,25(OH)2 D]. Under conditions of infection, 1,25(OH)2 D promotes production of cathelicidin (an antimicrobial peptide) in monocytes and activated macrophages. In vitro studies have shown the ability of cathelicidin to inhibit replication of human immunodeficiency virus (HIV-1) in T CD4 lymphocytes and macrophages...
January 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28740511/safety-and-tolerance-of-donor-derived-mesenchymal-stem-cells-in-pediatric-living-donor-liver-transplantation-the-mystep1-study
#10
Steffen Hartleif, Michael Schumm, Michaela Döring, Markus Mezger, Peter Lang, Marc H Dahlke, Joachim Riethmüller, Alfred Königsrainer, Rupert Handgretinger, Silvio Nadalin, Ekkehard Sturm
BACKGROUND: Calcineurin inhibitors (CNI) have significantly improved patient and graft survival in pediatric liver transplantation (pLT). However, CNI toxicity leads to significant morbidity. Moreover, CNIs cannot prevent long-term allograft injury. Mesenchymal stem (stromal) cells (MSC) have potent immunomodulatory properties, which may promote allograft tolerance and ameliorate toxicity of high-dose CNI. The MYSTEP1 trial aims to investigate safety and feasibility of donor-derived MSCs in pLT...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28740415/the-extracellular-matrix-of-eggshell-displays-anti-inflammatory-activities-through-nf-%C3%AE%C2%BAb-in-lps-triggered-human-immune-cells
#11
Tram T Vuong, Sissel B Rønning, Henri-Pierre Suso, Ralf Schmidt, Kristian Prydz, Marlene Lundström, Anders Moen, Mona E Pedersen
Avian eggshell membrane (ESM) is a natural biomaterial that has been used as an alternative natural bandage on burned and cut skin injuries for >400 years in Asian countries, and is available in large quantities from egg industries. Our aim was to characterize ESM that was separated and processed from egg waste, and to study whether this material possesses anti-inflammatory properties, making it suitable as an ingredient in industrial production of low cost wound healing products. Our results show that the processed ESM particles retain a fibrous structure similar to that observed for the native membrane, and contain collagen, and carbohydrate components such as hyaluronic acid and sulfated glycosaminoglycans, as well as N-glycans, mostly with uncharged structures...
2017: Journal of Inflammation Research
https://www.readbyqxmd.com/read/28738696/the-role-of-autoantibodies-in-the-syndromes-of-orthostatic-intolerance-a-systematic-review
#12
Mohammed Ruzieh, Lillian Batizy, Osama Dasa, Carson Oostra, Blair Grubb
Orthostatic intolerance is defined as the provocation of symptoms upon standing, commonly caused by neurogenic orthostatic hypotension (OH) and postural tachycardia syndrome (POTS), the etiology for which has not been fully uncovered yet. Many reports have described the occurrence of dysautonomia, orthostatic intolerance and POTS following febrile illness, presumably viral and post-vaccine. Furthermore, patients with dysautonomia have higher rates of autoimmune disorders such as Hashimoto thyroiditis and SLE...
July 24, 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28738534/high-expression-of-cd47-predicts-adverse-prognosis-in-chinese-patients-and-suppresses-immune-response-in-melanoma
#13
Wenhua Fu, Jisen Li, Wei Zhang, Peng Li
BACKGROUND: Cluster of differentiation 47 (CD47) negatively regulates macrophage phagocytosis and is correlated with adverse survival of multiple cancers. In melanoma patients, especially in Chinese melanoma patients, its prognostic value is unclear. In this study, we aim to study the prognostic value of CD47 in a Chinse melanoma patient cohort and its immunomodulation roles in mouse model. METHOD: 164 melanoma tissue specimens were collected. The expression of CD47 in these clinical samples was examined by immunohistochemistry staining (IHC)...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28736629/biologic-therapy-in-esophageal-and-gastric-malignancies-current-therapies-and-future-directions
#14
REVIEW
Pamela Samson, A Craig Lockhart
Biologic agents, including targeted antibodies as well as immunomodulators, are demonstrating unparalleled development and study across the entire spectrum of human malignancy. This review summarizes the current state of biologic therapies for esophageal, esophagogastric, and gastric malignancies, including those that target human epidermal growth factor receptor 2 (HER2), epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), c-Met, mechanistic target of rapamycin (mTOR) and immunomodulators...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28736263/facile-assembly-and-loading-of-theranostic-polymersomes-via-multi-impingement-flash-nanoprecipitation
#15
Sean Allen, Omar Osorio, Yu-Gang Liu, Evan Scott
Flash nanoprecipitation (FNP) has proven to be a powerful tool for the rapid and scalable assembly of solid-core nanoparticles from block copolymers. The process can be performed using a simple confined impingement jets mixer and provides an efficient and reproducible method of loading micelles with hydrophobic drugs. To date, FNP has not been applied for the fabrication of complex or vesicular nanoarchitectures capable of encapsulating hydrophilic molecules or bioactive protein therapeutics. Here, we present FNP as a single customizable method for the assembly of bicontinuous nanospheres, filomicelles and vesicular, multilamellar and tubular polymersomes from poly(ethylene glycol)-bl-poly(propylene sulfide) block copolymers...
July 20, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28735365/an-update-on-the-use-of-immunotherapy-in-the-treatment-of-lymphoma
#16
REVIEW
Thomas U Marron, Matko Kalac, Joshua Brody
PURPOSE OF REVIEW: Throughout the field of oncology, immunotherapy is moving further towards the first-line setting, and there is encouraging data for the use of these novel therapies in the management of lymphomas, utilizing treatments approved for both solid and hematologic malignancies. Herein, we review promising advances in this rapidly moving field from the past year. RECENT FINDINGS: In the last year, we have seen promising clinical data on engineered antibody therapies for the treatment of lymphomas, as well as further optimization of engineered antibody fragments fused onto linkers or chimeric T cell receptors, both of the modalities capable of transforming non-specific T cells into tumor-specific, serial killer cells...
July 22, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28735186/development-of-a-robust-reporter-gene-assay-to-measure-the-bioactivity-of-anti-pd-1-anti-pd-l1-therapeutic-antibodies
#17
Lan Wang, Chuanfei Yu, Yalan Yang, Kai Gao, Junzhi Wang
Being regarded as the 'cancer panacea', the anti-PD-1/anti-PD-L1 monoclonal antibodies (mAbs) have become the R&D focus of biopharmaceutical industries. Several marketed such mAbs have been proved particularly effective in treating various cancers. However, the cell-based bioassay to measure the biological activities of the anti-PD-1/anti-PD-L1 mAbs as the lot release or stability test has been a great challenge to quality control laboratories due to the immunomodulating nature of the mAbs. Here, we describe the development and validation of a reporter gene assay consisting of two-cell systems to measure the bioactivity of the anti-PD-1/anti-PD-L1 mAbs...
May 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28734166/naturally-occurring-immunomodulators-with-antitumor-activity-an-insight-on-their-mechanisms-of-action
#18
REVIEW
Shimaa Ibrahim Abdelmonym Mohamed, Ibrahim Jantan, Md Areeful Haque
Natural products with immunomodulatory activity are widely used in treatment of many diseases including autoimmune diseases, inflammatory disorders in addition to cancer. They gained a great interest in the last decades as therapeutic agents since they provide inexpensive and less toxic products than the synthetic chemotherapeutic agents. Immunomodulators are the agents that have the ability to boost or suppress the host defense response that can be used as a prophylaxis as well as in combination with other therapeutic modalities...
July 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28733429/proteogenomic-analysis-and-discovery-of-immune-antigens-in-mycobacterium-vaccae
#19
Jianhua Zheng, Lihong Chen, Liguo Liu, Haifeng Li, Bo Liu, Dandan Zheng, Tao Liu, Jie Dong, Lilian Sun, Yafang Zhu, Jian Yang, Xiaobing Zhang, Qi Jin
Tuberculosis (TB) is one of the leading causes of death worldwide, especially in developing countries. Neonatal BCG vaccination occurs in various regions, but the level of protection varies in different populations. Recently, Mycobacterium vaccae is found to be an immunomodulating therapeutic agent that could confer a significant level of protection against TB. It is the only vaccine in a phase III trial from WHO to assess its efficacy and safety in preventing TB disease in people with latent TB infection. However, the mechanism of immunotherapy of M...
July 21, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28732748/controlling-the-pro-inflammatory-function-of-6-sulfo-lacnac-slan-dendritic-cells-with-dimethylfumarate
#20
Stephanie Oehrl, Florina Olaru, Anja Kunze, Michael Maas, Silvia Pezer, Marc Schmitz, Knut Schäkel
BACKROUND: The fumaric acid ester (FAE) dimethylfumarate (DMF) is a small molecule immunomodulator successfully used for the treatment of psoriasis and multiple sclerosis (MS). DMF is thought to inhibit pathogenic immune responses with Th17/Th1T cells, and IL-23/IL-12 producing dendritic cells (DCs). 6-sulfo LacNAc expressing dendritic cells (slanDCs) are a human pro-inflammatory cell type found frequently among the infiltrating leukocytes in skin lesions of psoriasis and brain lesions of MS...
June 24, 2017: Journal of Dermatological Science
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