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https://www.readbyqxmd.com/read/28226245/subconjunctival-injectable-dendrimer-dexamethasone-gel-for-the-treatment-of-corneal-inflammation
#1
Uri Soiberman, Siva P Kambhampati, Tony Wu, Manoj K Mishra, Yumin Oh, Rishi Sharma, Jiangxia Wang, Abdul Elah Al Towerki, Samuel Yiu, Walter J Stark, Rangaramanujam M Kannan
Corneal inflammation is often encountered as a key pathological event in many corneal diseases. Current treatments involve topical corticosteroids which require frequent instillations due to rapid tear turnover, causing side-effects such as corneal toxicity and elevated intraocular pressure (IOP). Hence, new interventions that can reduce side effects, dosing frequency, and increase patient compliance can be highly beneficial. In this study, we explore a subconjunctival injectable gel based on G4-PAMAM dendrimer and hyaluronic acid, cross-linked using thiol-ene click chemistry, incorporated with dendrimer dexamethasone (D-Dex) conjugates as a potential strategy for sustained delivery and enhanced bioavailability of corticosteroids...
February 16, 2017: Biomaterials
https://www.readbyqxmd.com/read/28220542/the-gut-microbiome-in-human-neurological-disease-a-review
#2
REVIEW
Helen Tremlett, Kylynda C Bauer, Silke Appel-Cresswell, Brett B Finlay, Emmanuelle Waubant
Almost half the cells and 1% of the unique genes found in our bodies are human, the rest are from microbes; predominantly bacteria, archaea, fungi, and viruses. These microorganisms collectively form the human microbiota, with most colonizing the gut. Recent technological advances, open access data-libraries, and application of high throughput sequencing have allowed these microbes to be identified and their contribution to neurological health examined. Emerging evidence links perturbations in the gut microbiota to neurological disease, including disease risk, activity, and progression...
February 21, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28219579/glomerular-diseases-and-renal-transplantation-pathogenic-pathways-and-evolution-of-therapeutic-interventions
#3
S Marinaki, C Skalioti, J Boletis
Glomerular diseases and renal transplantation are the main fields of nephrology in which the immune system plays a prevalent role. Glomerular diseases have traditionally been attributed to auto-immune conditions, whereas allograft rejection has been considered an allo-immune response. However, common immunopathologic mechanisms that include Toll-like receptors, complement and B-cell activation, as well as genetic and infectious factors appear to be involved in the pathogenesis of both entities. Novel therapeutic regimens directed against specific targets of the immune system show promising results in glomerulopathies as well as in renal transplantation...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28209904/noninvasive-imaging-of-human-immune-responses-in-a-human-xenograft-model-of-graft-versus-host-disease
#4
Catharina H M J Van Elssen, Mohammad Rashidian, Vladimir Vrbanac, Kai W Wucherpfennig, Zeina El Habre, Jana Sticht, Christian Freund, Johanne Jacobsen, Juanjo Cragnolini, Jessica Ingram, Loes Plaisier, Eric Spierings, Andrew M Tager, Hidde Ploegh
The immune system plays a crucial role in many diseases. Activation or suppression of immunity is often related to clinical outcome. Methods to explore the dynamics of immune responses are important to elucidate their role in conditions characterized by inflammation, such as infectious disease, cancer or auto-immunity. Immuno-PET is a non-invasive method by which disease and immune cell infiltration can be explored simultaneously. Using radiolabeled antibodies or fragments derived from them, it is possible to image disease-specific antigens and immune cell subsets...
February 16, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28191667/metastatic-recurrence-of-17-years-relapse-free-melanoma-during-anti-tnfa-therapy
#5
Ioana Cosgarea, Andreas Körber, Dorothee Dill, Dirk Schadendorf, Selma Ugurel
Tumor-necrosis-factor-alpha (TNFa) is an innate cytokine involved in regulating inflammation, immunity, tumorigenesis, and apoptosis. TNFa inhibitors became a powerful tool in the treatment of auto-immune inflammatory diseases such as Crohn's disease, ulcerative colitis, rheumatoid arthritis and psoriasis. Known side effects of TNFa inhibitors range from infections to malignancies [1]. We report a male patient who was in 1998 at age 36 diagnosed with amelanotic melanoma of the leg, Breslow thickness 11.0 mm, no ulceration...
February 13, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28174236/merkel-cell-carcinomas-arising-in-autoimmune-disease-affected-patients-treated-with-biological-drugs-including-tnf
#6
John C Rotondo, Ilaria Bononi, Andrea Puozzo, Marcello Govoni, Valentina Foschi, Giovanni Lanza, Roberta Gafà, Antoine Touzè, Pauline Gaboriaud, Rita Selvatici, Fernanda Martini, Mauro Tognon
PURPOSE: The purpose of this investigation was to characterize Merkel cell carcinomas (MCC) arising in patients affected by auto-immune diseases, treated with biologic drugs. EXPERIMENTAL DESIGN: Serum samples from MCC patients were analyzed for the presence and titer of antibodies against antigens of the oncogenic Merkel cell polyomavirus (MCPyV). IgG antibodies against the viral oncoproteins Large T (LT) and small t (ST) antigens and the viral capsid protein 1 were analyzed by indirect E...
February 7, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28161150/mechanisms-of-action-of-intravenous-immunoglobulin
#7
REVIEW
Benjamin Chaigne, Luc Mouthon
Taking advantage of the "World Apheresis Association/Société Française d'Hémaphérèse" meeting held in Paris in April 2016, this article reviews the current knowledge on the mechanisms of action of intravenous immunoglobulins. Immunoglobulins are a plasma-derived drug, which have been initially used as a replacement therapy for patients with antibody deficiency. Since 1980 they have also been used for their anti-inflammatory and immunomodulating efficacy in auto-immune diseases. Herein, we review the requirements for their production and composition before giving a specific attention to their mechanisms of action including substitution and immunomodulation...
December 30, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28150352/use-of-topical-glucocorticoids-a-population-based-cohort-study
#8
Maya El-Khoury, Ratanak Thay, Maodo N'Diaye, Laurence Fardet
BACKGROUND: Little is known about the prescriptions of topical glucocorticoids in the general population. OBJECTIVES: To report an overall picture of topical glucocorticoid prescriptions in France. METHODS: This study used the Echantillon Généraliste de Bénéficiaires (EGB) database, a 1/97(th) random sampling of the French population covered by the main national healthcare insurance system (approximately 90% of the whole population). All patients prescribed topical glucocorticoids over a 5-year period (January 1, 2011 to December 31, 2015) were identified using a specific codes list for topical glucocorticoids...
February 1, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28149645/new-insights-into-hcv-related-rheumatologic-disorders-a-review
#9
REVIEW
Patrice Cacoub, Cloé Comarmond
Hepatitis C virus (HCV) infected patients are known to be exposed to major liver complications i.e. cirrhosis and hepatocellular carcinoma. In addition, many extrahepatic manifestations including rheumatologic disorders have been reported in up to two-third of HCV infected patients. These manifestations include frank auto-immune and rheumatic diseases (such as arthralgia, myalgia, arthritis, sicca syndrome and vasculitis) which may dominate the course of infection. Until recently, the standard of care of HCV has been the use of interferon-alpha based regimens, which not only had limited effectiveness in HCV cure but were poorly tolerated...
March 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28149102/magnetic-resonance-imaging-brain-findings-in-a-case-of-aquaporin-4-antibody-positive-neuromyelitis-optica-spectrum-disorder-presenting-with-intractable-vomiting-and-hiccups
#10
Prerna Garg, Muthusubramanian Rajasekaran, Salil Pandey, Gnanashanmugam Gurusamy, Devanand Balalakshmoji, Rajakumar Rathinasamy
Neuromyelitisoptica (NMO) and multiple sclerosis (MS) were once considered to be differing manifestation of same auto immune disease, NMO predominantly involving the optic nerve and cord. Now with discovery of NMO antibody the concept has changed and a spectrum of disorders with lesions in brain has been identified. Occasionally, brain may be the first or the only site of involvement in these disorders hence it is essential to be aware of this spectrum. The brain lesions in NMO/NMOSD may be located in characteristic regions and present with symptoms mimicking non neurological disease...
January 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28146301/simultaneous-determination-of-mycophenolic-acid-and-its-glucuronide-and-glycoside-derivatives-in-canine-and-feline-plasma-by-uhplc-uv
#11
Sol Maiam Rivera, Jeniffer E Slovak, Michael H Court, Nicolas F Villarino
Cats and dogs can suffer from multiple auto-immune diseases. Mycophenolic acid (MPA) is a potentially useful immunosuppressant drug in cats and dogs, because of its well-documented efficacy in controlling autoimmune disease in humans. However, the pharmacokinetics and pharmacodynamics in these species remains to be determined. We have developed and validated a sensitive, precise, accurate, and reproducible method that provides consistent quantification of MPA and its major derivatives, MPA phenol glucoside and MPA phenol glucuronide in canine and feline plasma using ultra-high-pressure liquid chromatography coupled to an ultraviolet detector...
February 1, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28137734/early-thyroxine-treatment-in-down-syndrome-and-thyroid-function-later-in-life
#12
Nitash Zwaveling-Soonawala, Emma Witteveen, Jan Pieter Marchal, Femke Klouwer, Nadine Ikelaar, Anne Smets, Rick van Rijn, E Endert, Eric Fliers, Paul van Trotsenburg
OBJECTIVE: The hypothalamus-pituitary-thyroid (HPT) axis set point develops during the fetal period and first two years of life. We hypothesized that thyroxine treatment during these first two years, in the context of a randomized controlled trial (RCT) in children with Down syndrome, may have influenced the HPT-axis set point and may also have influenced the development of Down syndrome associated autoimmune thyroiditis. METHODS: We included 123 children with Down syndrome 8...
January 30, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28131494/immunomodulation-by-hyperimmunoglobulins-after-solid-organ-transplantation-beyond-prevention-of-viral-infection
#13
REVIEW
Rogier van Gent, Herold J Metselaar, Jaap Kwekkeboom
Hyperimmunoglobulins are pharmaceutical formulations of human IgG which contain high titers of antibodies against specific viruses. They have been successfully used in solid organ transplantation (SOT) to prevent Cytomegalovirus (CMV) and Hepatitis B Virus (HBV) infection. The introduction of effective and cheaper antiviral drugs has resulted in decreasing usage of hyperimmunoglobulins in SOT. However, it may still be attractive to combine antiviral drug therapy with hyperimmunoglobulins after SOT, as there is some evidence that hyperimmunoglobulins, similar to high doses of intravenous immunoglobulins (IVIgs), might exert anti-inflammatory activity and thereby prevent immunological graft damage and improve graft and patient survival...
January 19, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28110869/benzenesulphonamide-inhibitors-of-the-cytolytic-protein-perforin
#14
Julie A Spicer, Christian K Miller, Patrick D O'Connor, Jiney Jose, Kristiina M Huttunen, Jagdish K Jaiswal, William A Denny, Hedieh Akhlaghi, Kylie A Browne, Joseph A Trapani
The pore-forming protein perforin is a key component of mammalian cell-mediated immunity and essential to the pathway that allows elimination of virus-infected and transformed cells. Perforin activity has also been implicated in certain auto-immune conditions and therapy-induced conditions such as allograft rejection and graft versus host disease. An inhibitor of perforin activity could be used as a highly specific immunosuppressive treatment for these conditions, with reduced side-effects compared to currently accepted therapies...
February 15, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28090274/the-role-of-m2000-as-an-anti-inflammatory-agent-in-toll-like-receptor-2-microrna-155-pathway
#15
Fatemeh Pourgholi, Mahsa Hajivalili, Rasoul Razavi, Shadi Esmaeili, Behzad Baradaran, Ali Akbar Movasaghpour, Sanam Sadreddini, Hamidreza Goodarzynejad, Abbas Mirshafiey, Mehdi Yousefi
BACKGROUND: M2000 is a newly designed and safe Non-Steroidal Anti-Inflammatory Drug (NSAID). The aim of this study was to assess the effects of M2000 on expression levels of Suppressor of Cytokine Signaling-1 (SOCS-1) and Src Homology-2 domain-containing inositol-5'-phosphatase 1 (SHIP1) proteins via Toll-Like Receptor (TLR) 2/microRNA-155 pathway. METHODS: HEK293 TLR2 cell line and Peripheral Blood Mononuclear Cells (PBMCs) were treated by different concentrations of M2000 in MTT assay...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28088516/structural-study-of-the-effects-of-mutations-in-proteins-to-identify-the-molecular-basis-of-the-loss-of-local-structural-fluidity-leading-to-the-onset-of-autoimmune-diseases
#16
Ananya Ali, Semanti Ghosh, Angshuman Bagchi
Protein-Protein Interactions (PPIs) are crucial in most of the biological processes and PPI dysfunctions are known to be associated with the onsets of various diseases. One of such diseases is the auto-immune disease. Auto-immune diseases are one among the less studied group of diseases with very high mortality rates. Thus, we tried to correlate the appearances of mutations with their probable biochemical basis of the molecular mechanisms leading to the onset of the disease phenotypes. We compared the effects of the Single Amino Acid Variants (SAVs) in the wild type and mutated proteins to identify any structural deformities that might lead to altered PPIs leading ultimately to disease onset...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28070877/idiopathic-retroperitoneal-fibrosis-and-its-overlap-with-igg4-related-disease
#17
REVIEW
Giovanni Maria Rossi, Rossana Rocco, Eugenia Accorsi Buttini, Chiara Marvisi, Augusto Vaglio
Retroperitoneal fibrosis (RPF) is a rare disease characterised by fibrous tissue proliferation in the retroperitoneum, with encasement of the ureters and large vessels of the abdomen as the most destructive of potentially severe complications. It can either be idiopathic, or secondary to infections, malignancies, or the use of certain drugs. The idiopathic form accounts for approximately 75% of the cases, and is usually responsive to immunosuppressive therapy. In recent years, the emergence of a new clinical entity, IgG4-related disease (IgG4-RD), shed light on many fibro-inflammatory disorders once thought to be separate clinical entities, although frequently associated in the so-called multifocal fibrosclerosis...
January 9, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28057010/update-on-lysinuric-protein-intolerance-a-multi-faceted-disease-retrospective-cohort-analysis-from-birth-to-adulthood
#18
Wladimir Mauhin, Florence Habarou, Stéphanie Gobin, Aude Servais, Anaïs Brassier, Coraline Grisel, Célina Roda, Graziella Pinto, Despina Moshous, Fahd Ghalim, Pauline Krug, Nelly Deltour, Clément Pontoizeau, Sandrine Dubois, Murielle Assoun, Louise Galmiche, Jean-Paul Bonnefont, Chris Ottolenghi, Jacques de Blic, Jean-Baptiste Arnoux, Pascale de Lonlay
BACKGROUND: Lysinuric protein intolerance (LPI) is a rare metabolic disease resulting from recessive-inherited mutations in the SLC7A7 gene encoding the cationic amino-acids transporter subunit y(+)LAT1. The disease is characterised by protein-rich food intolerance with secondary urea cycle disorder, but symptoms are heterogeneous ranging from infiltrative lung disease, kidney failure to auto-immune complications. This retrospective study of all cases treated at Necker Hospital (Paris, France) since 1977 describes LPI in both children and adults in order to improve therapeutic management...
January 5, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28052092/the-prevalence-incidence-and-natural-course-of-positive-antithyroperoxidase-antibodies-in-a-population-based-study-tehran-thyroid-study
#19
Atieh Amouzegar, Safoora Gharibzadeh, Elham Kazemian, Ladan Mehran, Maryam Tohidi, Fereidoun Azizi
OBJECTIVE: Thyroid peroxidase antibody (TPOAb), the most common antibody frequently measured in population surveys is a protein expressed in the thyroid gland. We conducted the present study to analyze the prevalence and incidence of thyroid auto immunity and natural course of TPOAb in a population based study. MATERIAL AND METHODS: This prospective study was conducted within the framework of the Tehran Thyroid Study (TTS) on 5783 (2376 men and 3407 women) individuals aged ≥ 20 years who had thyroid function tests at baseline and were followed up for median 9...
2017: PloS One
https://www.readbyqxmd.com/read/28051349/a-suite-of-receptor-like-kinases-and-a-putative-mechano-sensitive-channel-are-involved-in-autoimmunity-and-plasma-membrane-based-defenses-in-arabidopsis
#20
Zhongqin Zhang, Chika Tateda, Shang-Chuan Jiang, Jay Shrestha, Joanna Jelenska, Dequantarius J Speed, Jean Greenberg
In plants, cell surface pattern recognition receptors (PRRs) provide a first line of defense against pathogens. Although each PRR recognizes a specific ligand, they share common signaling outputs such as callose and other cell wall-based defenses. Several PRRs are also important for callose induction in response to the defense signal salicylic acid (SA). The extent to which common components are needed for PRR signaling outputs is not known. The gain-of-function Arabidopsis mutant of ACCELERATED CELL DEATH6 (ACD6) acd6-1 shows constitutive callose production that partially depends on PRRs...
January 4, 2017: Molecular Plant-microbe Interactions: MPMI
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