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TRPV1 Channel Contributes to the Behavioral Hypersensitivity in a Rat Model of Complex Regional Pain Syndrome Type 1
This study was carried out in accordance with National Institutes of Health guide for the care and use of Laboratory animals (NIH Publications No. 8023, revised 1978) and approved by the Animal Ethics Committee of Zhejiang Chinese Medical University. Author Contributions QH performed the western blot, immunostaining, and behavioral test. QW performed the patch clamp experiments. CW supervised the patch clamp experiments. QH and BoyuL performed the behavioral test. YT, XS, and JF analyzed the data and reviewed the manuscript. BoyiL designed, supervised the study, and wrote the manuscript. Funding This project was suppor...
Source: Frontiers in Pharmacology - April 25, 2019 Category: Drugs & Pharmacology Source Type: research

Human, Nonhuman Primate, and Bat Cells Are Broadly Susceptible to Tibrovirus Particle Cell Entry
Discussion Tibroviruses are highly undercharacterized rhabdoviruses with unknown pathogenic potential. All isolated tibroviruses (BAV, BHV, CPV, SWBV, and TIBV) have only been found in biting midge vectors or in various, apparently healthy non-human mammals (Cybinski et al., 1980; Standfast et al., 1984; Cybinski and Gard, 1986; Gibbs et al., 1989). The discovery of BASV, EKV-1, and EKV-2 genomes in human sera (Grard et al., 2012; Stremlau et al., 2015) suggests that at least some tibroviruses could infect humans. Because BASV was discovered in the serum of a severely ill individual, tibroviruses should be considered pote...
Source: Frontiers in Microbiology - April 25, 2019 Category: Microbiology Source Type: research

T Cell Receptor Expression Timing and Signal Strength in the Functional Differentiation of Invariant Natural Killer T Cells
Nyambayar Dashtsoodol1,2*, Sabrina Bortoluzzi1 and Marc Schmidt-Supprian1* 1Department of Hematology and Medical Oncology, Klinikum rechts der Isar and TranslaTUM Cancer Center, Technische Universität München, München, Germany 2Department of Microbiology and Immunology, School of Biomedicine, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia The CD1d-restricted Vα14 invariant NKT (iNKT) cell lineage in mice (Vα24 in humans) represents an evolutionary conserved innate-like immune cell type that recognizes glycolipid antigens. Because of their unique a...
Source: Frontiers in Immunology - April 25, 2019 Category: Allergy & Immunology Source Type: research

USF receives new NIH grant to help eliminate malaria in Southeast Asia
(University of South Florida (USF Innovation)) The University of South Florida has been awarded approximately $700,000 in initial funding (3U19AI089672-11S1) from the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, to study the effects of malaria treatments and mosquito control measures on health outcomes in Southeast Asia. USF may receive up to approximately $4.56 million over five years for the project if milestones are met.
Source: EurekAlert! - Infectious and Emerging Diseases - April 24, 2019 Category: Infectious Diseases Source Type: news

Th2-TRMs Maintain Life-Long Allergic Memory in Experimental Asthma in Mice
This study was carried out in strict accordance with the guidelines for the care and use of laboratory animals of the Austrian Ministry of Science. The protocol was approved by the Committee on the Ethics of the Austrian Ministry of Science (Number: GZ: 66.009/0330-II/3b/2013). All painful procedures were performed under anesthesia, and all efforts were made to minimize suffering. Author Contributions BB designed and performed experiments, analyzed the samples and contributed to the manuscript preparation. SK designed and performed experiments, analyzed the samples and contributed to the manuscript preparation. LA perfor...
Source: Frontiers in Immunology - April 23, 2019 Category: Allergy & Immunology Source Type: research

Scurfy Mice Develop Features of Connective Tissue Disease Overlap Syndrome and Mixed Connective Tissue Disease in the Absence of Regulatory T Cells
Discussion Treg represent a lineage of T cells which play a fundamental role in maintaining humoral tolerance in the periphery. This subset of “suppressor T cells” is identified as FoxP3-expressing CD4+ T cells (16, 17). The unrestrained expression of FoxP3 is essential for the development and function of Treg (4). Accordingly, a disruption of the Foxp3 gene in scurfy mice results in an autoimmune lymphoproliferative disorder with fatal multi-organ inflammation (18). Since the causative mutation occurs in orthologous genes, the scurfy phenotype is indicated as the murine equivalent of the human IPEX sy...
Source: Frontiers in Immunology - April 23, 2019 Category: Allergy & Immunology Source Type: research

Antigen-Specific Single B Cell Sorting and Monoclonal Antibody Cloning in Guinea Pigs
This study was supported by NIH/NIAID grants R01AI102766 (YL), P01AI104722 (RW and YL), UM1 AI100663 (RW), and Bill and Melinda Gates Foundation grant OPP1084519 (RW). JS is a trainee of NIH training grant T32AI125186A to Anne Simon at University of Maryland, College Park. This study was also partially funded by the International AIDS Vaccine Initiative (IAVI) (RW) with the generous support of United States Agency for International Development (USAID), and Ministry of Foreign Affairs of the Netherlands. Conflict of Interest Statement The authors declare that the research was conducted in the absence of any commercial or ...
Source: Frontiers in Microbiology - April 22, 2019 Category: Microbiology Source Type: research

The Emerging Epigenetic Role of CD8+T Cells in Autoimmune Diseases: A Systematic Review
The Emerging Epigenetic Role of CD8+T Cells in Autoimmune Diseases: A Systematic Review Qiancheng Deng1, Yangyang Luo1,2, Christopher Chang3, Haijing Wu1, Yan Ding4* and Rong Xiao1* 1Hunan Key Laboratory of Medical Epigenetics, Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, China 2Department of Dermatology, Hunan Children's Hospital, Changsha, China 3Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA, United States 4Department of Dermatology, Hainan Provincial Dermatology Disease Hospital, Haikou, China A...
Source: Frontiers in Immunology - April 17, 2019 Category: Allergy & Immunology Source Type: research

Editorial: The Pathogenic Yersiniae –Advances in the Understanding of Physiology and Virulence, Second Edition
Editorial: The Pathogenic Yersiniae–Advances in the Understanding of Physiology and Virulence, Second Edition Matthew S. Francis1* and Victoria Auerbuch2* 1Department of Molecular Biology, Umeå Centre for Microbial Research, Umeå University, Umeå, Sweden2Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, Santa Cruz, CA, United States Editorial on the Research Topic The Pathogenic Yersiniae–Advances in the Understanding of Physiology and Virulence, Second Edition Of the 18 known Yersinia species, Y. pestis, Y. pseudotub...
Source: Frontiers in cellular and infection microbiology - April 17, 2019 Category: Microbiology Source Type: research

ST18 Enhances PV-IgG-Induced Loss of Keratinocyte Cohesion in Parallel to Increased ERK Activation
Discussions Autoantibodies targeting Dsg1 and Dsg3 are pathogenic and cause blister formation by inducing structural desmosomal changes in the skin of PV patients (42). However, the mechanisms underlying disease development and the factors enhancing its manifestation have not yet been fully elucidated. Secondary factors promoting severity of the disease include non-Dsg antibodies (43) as well as genetic alterations such as recently reported ST18 SNPs (29–31) and may also entail keratinocyte-derived cytokine release. Here, we investigate the effect of ST18 overexpression and cytokine secretion on PV-IgG mediated l...
Source: Frontiers in Immunology - April 16, 2019 Category: Allergy & Immunology Source Type: research

Sanguinarine Induces Apoptosis Pathway in Multiple Myeloma Cell Lines via Inhibition of the JaK2/STAT3 Signaling
In this study, we aimed to investigate the potential anti-proliferative and pro-apoptotic activities of SNG in a panel of MM cell lines (U266, IM9, MM1S, and RPMI-8226). SNG treatment of MM cells resulted in a dose-dependent decrease in cell viability through mitochondrial membrane potential loss and activation of caspase 3, 9, and cleavage of PARP. Pre-treatment of MM cells with a universal caspase inhibitor, Z-VAD-FMK, prevented SNG mediated loss of cell viability, apoptosis, and caspase activation, confirming that SNG-mediated apoptosis is caspase-dependent. The SNG-mediated apoptosis appears to be resulted from suppres...
Source: Frontiers in Oncology - April 16, 2019 Category: Cancer & Oncology Source Type: research

Surface (S) Layer Proteins of Lactobacillus acidophilus Block Virus Infection via DC-SIGN Interaction
We describe the unexpected binding of S-layer to cells devoid of DC-SIGN but also confirm that the presence of DC-SIGN was essential for S-layer’s antiviral activity. S-layer protein exerted its antiviral effect with different kinetics than mannan, a known viral inhibitor that also acts on DC-SIGN (Yu et al., 2017). Together our results suggest that inhibition of viral entry by S-layer occurs via a novel S-layer/DC-SIGN interaction. Materials and Methods Isolation of S-Layer Proteins S-layer proteins were extracted from overnight cultures of L. acidophilus ATCC 4356 cells grown in MRS medium at 37°C by usi...
Source: Frontiers in Microbiology - April 15, 2019 Category: Microbiology Source Type: research

Validation of a 16th Century Traditional Chinese Medicine Use of Ginkgo biloba as a Topical Antimicrobial
This study aimed to examine the traditional use of Ginkgo seeds as topical treatment for skin disorders for potential antibacterial efficacy. This is the first study to test and compare the antibacterial activity of various Ginkgo seed extracts on skin pathogens. In this work, we confirmed the ethnomedicinal importance of seeds in the treatment of skin diseases. As reported in the Compendium of Materia Medica Ben Cao Gang Mu, only the seeds were used for medicinal uses, especially as a topical treatment for skin infections. Moreover, our study validates the antimicrobial activity of the seed (i.e., seed coats and immature...
Source: Frontiers in Microbiology - April 15, 2019 Category: Microbiology Source Type: research

Group 2 Innate Lymphoid Cells Are Redundant in Experimental Renal Ischemia-Reperfusion Injury
In this study, we sought to further characterize ILC2s in the kidney, their location within this organ and determine their functional role in IRI using a loss-of-function approach. Here, we found that kidney ILC2s constitutively express IL-5 and are primarily located in close proximity to the renal vasculature, within the adventitia. Additionally, we demonstrate that a reduction, deficiency or depletion of ILC2s had minimal impact on the severity of IRI. Whilst activation of ILC2s and the associated amplification of local type 2 immunity has been previously shown to reduce the deleterious consequences of AKI, our results r...
Source: Frontiers in Immunology - April 15, 2019 Category: Allergy & Immunology Source Type: research

Cellular Immune Function in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)
This study was carried out in accordance with the recommendations of The London School of Hygiene & Tropical Medicine (LSHTM) Research Ethics Committee (Ref. 6123) and the National Research Ethics Service (NRES) London-Bloomsbury Research Ethics Committee (REC ref. 11/10/1760, IRAS ID: 77765), with written informed consent from all subjects. All subjects gave written informed consent in accordance with the Declaration of Helsinki. The protocol was approved by the LSHTM Research Ethics Committee and the NRES London-Bloomsbury Research Ethics Committee. Author Contributions JC, HD, LN, EL, and ER devised the study ...
Source: Frontiers in Immunology - April 15, 2019 Category: Allergy & Immunology Source Type: research