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Translational immunology

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https://www.readbyqxmd.com/read/28325629/towards-integrating-extracellular-matrix-and-immunological-pathways
#1
David F Boyd, Paul G Thomas
The extracellular matrix (ECM) is a complex and dynamic structure made up of an estimated 300 different proteins. The ECM is also a rich source of cytokines and growth factors in addition to numerous bioactive ECM degradation products that influence cell migration, proliferation, and differentiation. The ECM is constantly being remodeled during homeostasis and in a wide range of pathological contexts. Changes in the ECM modulate immune responses, which in turn regulate repair and regeneration of tissues. Here, we review the many components of the ECM, enzymes involved in ECM remodeling, and the signals that feed into immunological pathways in the context of a dynamic ECM...
March 18, 2017: Cytokine
https://www.readbyqxmd.com/read/28321810/overview-of-basic-immunology-for-clinical-investigators
#2
Bettzy Stephen, Joud Hajjar
Tumor exists as a complex network of structures with an ability to evolve and evade the host immune surveillance mechanism. The immune milieu which includes macrophages, dendritic cells, natural killer cells, neutrophils, mast cells, B cells, and T cells are found in the core, the invasive margin, or the adjacent stromal or lymphoid component of the tumor. The immune infiltrate is heterogeneous and varies within a patient and between patients of the same tumor histology. The location, density, functionality, and the cross talk between the immune cells in the tumor microenvironment influence the nature of immune response, prognosis, and treatment outcomes in cancer patients...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28320438/regulatory-t-cell-frequency-but-not-plasma-il-33-levels-represents-potential-immunological-biomarker-to-predict-clinical-response-to-intravenous-immunoglobulin-therapy
#3
Mohan S Maddur, Emmanuel Stephen-Victor, Mrinmoy Das, Praveen Prakhar, Varun K Sharma, Vikas Singh, Magalie Rabin, Jamma Trinath, Kithiganahalli N Balaji, Francis Bolgert, Jean-Michel Vallat, Laurent Magy, Srini V Kaveri, Jagadeesh Bayry
BACKGROUND: Intravenous immunoglobulin (IVIG) is a polyspecific pooled immunoglobulin G preparation and one of the commonly used therapeutics for autoimmune diseases including those of neurological origin. A recent report in murine model proposed that IVIG expands regulatory T (Treg) cells via induction of interleukin 33 (IL-33). However, translational insight on these observations is lacking. METHODS: Ten newly diagnosed Guillain-Barré syndrome (GBS) patients were treated with IVIG at the rate of 0...
March 20, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28303465/pharmacotherapy-in-generalized-anxiety-disorder-novel-experimental-medicine-models-and-emerging-drug-targets
#4
REVIEW
David S Baldwin, Ruihua Hou, Robert Gordon, Nathan T M Huneke, Matthew Garner
Many pharmacological and psychological approaches have been found efficacious in patients with generalized anxiety disorder (GAD), but many treatment-seeking patients will not respond and others will relapse despite continuing with interventions that initially had beneficial effects. Other patients will respond but then stop treatment early because of untoward effects such as sexual dysfunction, drowsiness, and weight gain. There is much scope for the development of novel approaches that could have greater overall effectiveness or acceptability than currently available interventions or that have particular effectiveness in specific clinical subgroups...
March 16, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28295371/remuscularization-of-the-failing-heart
#5
Wolfram-Hubertus Zimmermann
Myocardial remuscularization can be achieved by cardiomyocyte implantation. Electromechanical integration and long-term survival of cardiomyocyte grafts are essential for maximal therapeutic impact. Cardiomyocyte application with support material has been instrumental to enhance cell retention. Co-administration of pro-survival factors and immunological matching are additional strategies for increased cell graft survival. Finally, larger cardiomyocyte grafts, although therapeutically desirable, will increase the risk for arrhythmias and, if pluripotent stem cells are used to derive cardiomyocytes, tumor formation...
March 10, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28294139/imaging-to-study-solid-tumour-origin-and-progression-lessons-from-research-and-clinical-oncology
#6
REVIEW
Stefania Raimondo, Giovanni Zito
Biomedical imaging in recent decades has clarified our understanding of normal and pathological cellular processes in vivo. In particular, this approach recently provided insights into processes occurring at a molecular or genetic level rather than at the anatomical level. The evolution of this discipline by engineering have led to its integration into biomedical research to (1) increase sensitivity and resolution imaging and to (2) improve tissue and cell specificity. Currently, imaging approaches are used in three different biomedical areas: (a) identification of cellular processes in physiological and disease state, (b) in vivo single cell imaging, and (c) identification of new prognostic and therapeutical strategies...
March 15, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28289723/setting-the-target-for-pemphigus-vulgaris-therapy
#7
REVIEW
Christoph T Ellebrecht, Aimee S Payne
Despite the rising incidence of autoimmunity, therapeutic options for patients with autoimmune disease still rely on decades-old immunosuppressive strategies that risk severe and potentially fatal complications. Thus, novel therapeutic approaches for autoimmune diseases are greatly needed in order to minimize treatment-related toxicity. Such strategies would ideally target only the autoreactive immune components to preserve beneficial immunity. Here, we review how several decades of basic, translational, and clinical research on the immunology of pemphigus vulgaris (PV), an autoantibody-mediated skin disease, have enabled the development of targeted immunotherapeutic strategies...
March 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28287530/open-tracheostomy-gastric-acid-aspiration-murine-model-of-acute-lung-injury-results-in-maximal-acute-nonlethal-lung-injury
#8
Ravi Alluri, Hilliard L Kutscher, Barbara A Mullan, Bruce A Davidson, Paul R Knight
Acid pneumonitis is a major cause of sterile acute lung injury (ALI) in humans. Acid pneumonitis spans the clinical spectrum from asymptomatic to acute respiratory distress syndrome (ARDS), characterized by neutrophilic alveolitis, and injury to both alveolar epithelium and vascular endothelium. Clinically, ARDS is defined by acute onset of hypoxemia, bilateral patchy pulmonary infiltrates and non-cardiogenic pulmonary edema. Human studies have provided us with valuable information about the physiological and inflammatory changes in the lung caused by ARDS, which has led to various hypotheses about the underling mechanisms...
February 26, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28286912/the-23rd-scientific-conference-of-the-society-on-neuroimmune-pharmacology
#9
Marcus Kaul
The 23rd Scientific Conference of the Society on Neuroimmune Pharmacology (SNIP) will take place in Philadelphia, PA, USA, from March 29 to April 1, 2017. The conference will present a selection of the latest and most advanced research in the intersecting areas of neuroscience, immunology, pharmacology and its translational aspects.
March 13, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28286085/hspa5-gene-encoding-hsp70-chaperone-bip-in-the-endoplasmic-reticulum
#10
REVIEW
Jie Wang, Jessica Lee, David Liem, Peipei Ping
The HSPA5 gene (Ensembl ID: ENSG00000044574 (WTSI/EMBL-EBI, 2015)) encodes the binding immunoglobulin protein (BiP), an Hsp70 family chaperone localized in the ER lumen. As a highly conserved molecular chaperone, BiP assists in a wide range of folding processes via its two structural domains, a nucleotide-binding domain (NBD) and substrate-binding domain (SBD). BiP is also an essential component of the translocation machinery for protein import into the ER, a regulator for Ca(2+) homeostasis in the ER, as well as a facilitator of ER-associated protein degradation (ERAD) via retrograde transportation of aberrant proteins across the ER membrane...
March 7, 2017: Gene
https://www.readbyqxmd.com/read/28281241/decellularized-cryopreserved-allografts-as-off-the-shelf-allogeneic-alternative-for-heart-valve-replacement-in-vitro-assessment-before-clinical-translation
#11
Laura Iop, Adolfo Paolin, Paola Aguiari, Diletta Trojan, Elisa Cogliati, Gino Gerosa
Cryopreserved allogeneic conduits are the elective biocompatible choice among currently available substitutes for surgical replacement in end-stage valvulopathy. However, degeneration occurs in 15 years in adults or faster in children, due to recipient's immunological reactions to donor's antigens. Here, human aortic valves were decellularized by TRICOL, based on Triton X-100 and sodium cholate, and submitted to standard cryopreservation (TRICOL-human aortic valves (hAVs)). Tissue samples were analyzed to study the effects of the combined procedure on original valve architecture and donor's cell removal...
March 9, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/28263125/stem-cell-therapies-in-post-prostatectomy-erectile-dysfunction-a-critical-review
#12
Naşide Mangır, Levent Türkeri
INTRODUCTION: Erectile dysfunction (ED) is still a common complication of radical prostatectomy. Current treatments of ED are mainly symptomatic. Mesenchymal stem cells (MSCs) have been widely investigated as a potential curative treatment. Although MSC therapy consistently improved erectile functions in the pre-clinical studies the initial expectations seem to be unmet. The aim of this study is to critically review the existing studies on use of stem cells in post-prostatectomy ED and understand factors that preclude clinical translation of the available evidence...
February 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28260308/-developing-and-application-of-an-autoverification-system-for-clinical-chemistry-and-immunology-test-results
#13
L Y Xia, X Q Cheng, Q Liu, L Liu, X Z Qin, L Zhang, J W Ding, E M Xu, L Qiu
Objective: To develop and validate an autoverification system for biochemistry and immunology test results for application in routine work. Methods: Algorithms was designed and translated into the laboratory information system. Parameters including verify limit, delta check, logic relation between tests was set up in the system. Verification rate of every test and the causes of fails were analyzed, according to which the system and parameters were modified. The autoverified reports were evaluated by chief technicians...
February 28, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28259864/-an-attempt-to-identify-22q11-2-microdeletions-in-samples-of-the-hungarian-schizophrenia-dna-bank-by-multiplex-ligation-based-probe-amplification-mlpa-literature-review-methodology-and-results
#14
Izabella Klein, Katalin Szocs, Katalin Vincze, Judit Benkovits, Szilvia Somogyi, Levente Herman, Janos M Rethelyi
Schizophrenia is a severe debilitating psychiatric disorder, with a typical onset in adolescence or early adulthood. This condition is characterized by heterogeneous symptoms (hallucinations, delusions, disorganized behaviour, affective flattening, and social isolation) and a life-time prevalence of 0.5-1.2%. In spite of the efforts to uncover the etiology of the disorder, its pathogenesis and neurobiological background are poorly understood. Given the high heritability in schizophrenia, genetic research remains an important area of focus...
December 2016: Neuropsychopharmacologia Hungarica
https://www.readbyqxmd.com/read/28246359/remembering-emil-von-behring-from-tetanus-treatment-to-antibody-cooperation-with-phagocytes
#15
EDITORIAL
Stefan H E Kaufmann
A century ago, Emil von Behring passed away. He was the first to be honored by the Nobel Prize for Medicine in 1901 for the successful therapy of diphtheria and tetanus, which he had developed from the bench to the bed. He also contributed to the foundation of immunology, since his therapy was based on passive immunization with specific antisera. Being an ambitious character, he did not shy away from friction with his colleagues Paul Ehrlich and Elias Metchnikoff and his mentor, Robert Koch. Behring was not only an excellent translational researcher but also a successful entrepreneur and early proponent of public-private partnerships...
February 28, 2017: MBio
https://www.readbyqxmd.com/read/28243742/integrative-multi-omics-analysis-revealed-snp-lncrna-mrna-slm-networks-in-human-peripheral-blood-mononuclear-cells
#16
Wei Xia, Xiao-Wei Zhu, Xin-Bo Mo, Long-Fei Wu, Jian Wu, Yu-Fan Guo, Ke-Qin Zeng, Ming-Jun Wang, Xiang Lin, Ying-Hua Qiu, Lan Wang, Pei He, Fang-Fei Xie, Peng-Fei Bing, Xin Lu, Yao-Zhong Liu, Neng-Jun Yi, Fei-Yan Deng, Shu-Feng Lei
Long non-coding RNAs (lncRNAs) serve as important controller of cellular functions via regulating RNA transcription, degradation and translation. However, what are the regulation patterns of lncRNAs on downstream mRNA and how the upstream genetic variants regulate lncRNAs are largely unknown. We first performed a comprehensive expression quantitative trait locus (eQTL) analysis (MatrixeQTL package, R) using genome-wide lncRNA expression and SNP genotype data from human peripheral blood mononuclear cells (PBMCs) of 43 unrelated individuals...
April 2017: Human Genetics
https://www.readbyqxmd.com/read/28237313/peripheral-administration-of-the-soluble-tnf-inhibitor-xpro1595-modifies-brain-immune-cell-profiles-decreases-beta-amyloid-plaque-load-and-rescues-impaired-long-term-potentiation-in-5xfad-mice
#17
Kathryn P MacPherson, Pradoldej Sompol, George T Kannarkat, Jianjun Chang, Lindsey Sniffen, Mary E Wildner, Christopher M Norris, Malú G Tansey
Clinical and animal model studies have implicated inflammation and peripheral immune cell responses in the pathophysiology of Alzheimer's disease (AD). Peripheral immune cells including T cells circulate in the cerebrospinal fluid (CSF) of healthy adults and are found in the brains of AD patients and AD rodent models. Blocking entry of peripheral macrophages into the CNS was reported to increase amyloid burden in an AD mouse model. To assess inflammation in the 5xFAD (Tg) mouse model, we first quantified central and immune cell profiles in the deep cervical lymph nodes and spleen...
February 24, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28228587/prophylactic-herpes-simplex-virus-2-hsv-2-vaccines-adjuvanted-with-stable-emulsion-and-toll-like-receptor-9-agonist-induce-a-robust-hsv-2-specific-cell-mediated-immune-response-protect-against-symptomatic-disease-and-reduce-the-latent-viral-reservoir
#18
Michael T Hensel, Jason D Marshall, Michael R Dorwart, Darren S Heeke, Eileen Rao, Padmaja Tummala, Li Yu, Gary H Cohen, Roselyn J Eisenberg, Derek D Sloan
Several prophylactic vaccines targeting HSV-2 have failed in the clinic to demonstrate a sustained depression in viral shedding or protection from recurrences. Although these vaccines have generated high titers of neutralizing antibodies, their induction of robust CD8 T cells has largely been unreported, even though evidence for the importance of HSV-2 antigen-specific CD8 T cells is mounting in animal models and in translational studies involving subjects with active HSV-2-specific immune responses. We developed a subunit vaccine composed of the neutralizing antibody (nAb) targets gD and gB, the novel T cell antigen and tegument protein UL40, and we compared this to a whole-inactivated virus vaccine (FI-HSV-2)...
February 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28226229/a-perspective-on-the-role-of-computational-models-in-immunology
#19
Arup K Chakraborty
This is an exciting time for immunology because the future promises to be replete with exciting new discoveries that can be translated to improve health and treat disease in novel ways. Immunologists are attempting to answer increasingly complex questions concerning phenomena that range from the genetic, molecular, and cellular scales to that of organs, whole animals or humans, and populations of humans and pathogens. An important goal is to understand how the many different components involved interact with each other within and across these scales for immune responses to emerge, and how aberrant regulation of these processes causes disease...
February 6, 2017: Annual Review of Immunology
https://www.readbyqxmd.com/read/28209609/pancreatic-cancer-progress-and-challenges-in-a-rapidly-moving-field
#20
Eric A Collisson, Kenneth P Olive
"Pancreatic Cancer: Advances in Science and Clinical Care," a Special Conference of the American Association for Cancer Research, was held in Orlando, FL, on May 12 to 15, bringing together more than 450 basic, translational, clinical, and epidemiologic pancreatic cancer researchers as well as pancreatic cancer patients, survivors, and advocates. Pancreatic cancer remains one of the great challenges in medicine, but the accelerating pace of research and early hints of clinical successes to come were palpable throughout the meeting...
February 16, 2017: Cancer Research
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