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Tolerance induction

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https://www.readbyqxmd.com/read/28210182/successful-cataract-surgery-in-a-patient-with-refractory-wegener-s-granulomatosis-effectively-treated-with-rituximab-a-case-report
#1
Abdullah M Alfawaz
: Wegener's granulomatosis is a granulomatous disorder associated with systemic necrotizing vasculitis. Eye involvement occurs in approximately 50% of Wegener's granulomatosis patients and is an important cause of morbidity. Conventional treatment-related morbidity and failure have led to studies of alternative treatment modalities. In this case of a 35-year-old man with severe Wegener's granulomatosis, conventional therapy failed to induce remission. Despite the standard immunosuppressive therapy, progression of the disease was observed, mainly with ocular manifestations and renal impairment...
July 2016: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28209713/mir-718-represses-pro-inflammatory-cytokine-production-through-targeting-pten
#2
Parisa Kalantari, Omid F Harandi, Sarika Agarwal, Florentina Rus, Evelyn A Kurt-Jones, Katherine A Fitzgerald, Daniel R Caffrey, Douglas T Golenbock
Bacterial sepsis involves a complex interaction between the host immune response and bacterial lipopolysaccharides (LPS). LPS binds Toll-like receptor (TLR) 4, which leads to the release of pro-inflammatory cytokines that are essential for a potent innate immune response against pathogens. The innate immune system is tightly regulated as excessive inflammation can lead to organ failure and death. MicroRNAs have recently emerged as important regulators of the innate immune system. Here, we determined the function of miR-718, which is conserved across mammals and overlaps with the 5 UTR of the Interleukin-1 Receptor-Associated Kinase (IRAK1) gene...
February 16, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28209457/metabolomic-approach-reveals-the-biochemical-mechanisms-underlying-drought-stress-tolerance-in-thyme
#3
Parviz Moradi, Brian Ford-Lloyd, Jeremy Pritchard
Thyme as a perennial herb has been recognized globally for its antimicrobial, antiseptic and spasmolytic effects. In this investigation, we have used non-targeted metabolite and volatile profiling combined with the morpho-physiological parameters in order to understand the responses at the metabolite and physiological level in drought sensitive and tolerant thyme plant populations. The results at the metabolic level identified the significantly affected metabolites. Significant metabolites belonging to different chemical classes consisting amino acids, carbohydrates, organic acids and lipids have been compared in tolerant and sensitive plants...
February 13, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28209181/de-novo-sequencing-and-comparative-transcriptome-analysis-of-adventitious-root-development-induced-by-exogenous-indole-3-butyric-acid-in-cuttings-of-tetraploid-black-locust
#4
Jine Quan, Seng Meng, Erhui Guo, Sheng Zhang, Zhong Zhao, Xitian Yang
BACKGROUND: Indole-3-butyric acid (IBA) is applied to the cuttings of various plant species to induce formation of adventitious roots (ARs) in commercial settings. Tetraploid black locust is an attractive ornamental tree that is drought resistant, sand tolerant, can prevent sand erosion and has various commercial uses. To further elucidate the mechanisms of AR formation, we used Illumina sequencing to analyze transcriptome dynamics and differential gene expression at four developmental stages in control (CK) and IBA-treated groups...
February 16, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28205285/natural-history-and-clinical-characteristics-of-inhibitors-in-previously-treated-haemophilia-a-patients-a-case-series
#5
A Iorio, A M Barbara, M Makris, K Fischer, G Castaman, C Catarino, E Gilman, K Kavakli, T Lambert, R Lassila, T Lissitchkov, E Mauser-Bunschoten, M E Mingot-Castellano, N Ozdemir, I Pabinger, R Parra, J Pasi, K Peerlinck, A Rauch, V Roussel-Robert, M Serban, A Tagliaferri, J Windyga, E Zanon
BACKGROUND: Development of inhibitors is the most serious complication in haemophilia A treatment. The assessment of risk for inhibitor formation in new or modified factor concentrates is traditionally performed in previously treated patients (PTPs). However, evidence on risk factors for and natural history of inhibitors has been generated mostly in previously untreated patients (PUPs). The purpose of this study was to examine cases of de novo inhibitors in PTPs reported in the scientific literature and to the EUropean HAemophilia Safety Surveillance (EUHASS) programme, and explore determinants and course of inhibitor development...
February 15, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28202000/safety-and-efficacy-of-lobaplatin-combined-with-5-fluorouracil-as-first-line-induction-chemotherapy-followed-by-lobaplatin-radiotherapy-in-locally-advanced-nasopharyngeal-carcinoma-preliminary-results-of-a-prospective-phase-ii-trial
#6
Liang-Ru Ke, Wei-Xiong Xia, Wen-Ze Qiu, Xin-Jun Huang, Jing Yang, Ya-Hui Yu, Hu Liang, Guo-Ying Liu, Yan-Fang Ye, Yan-Qun Xiang, Xiang Guo, Xing Lv
BACKGROUND: Due to improvements in imaging and radiological techniques as well as the use of chemotherapy, distant metastasis has become the predominant mode of treatment failure in patients with locally advanced nasopharyngeal carcinoma (LA-NPC). Platinum-based systemic chemotherapy has shown survival benefits and is now the standard strategy for systemic therapy in patients with LA-NPC. Notably, the third-generation platinum reagent lobaplatin has shown anti-tumor effects in several solid tumors with lower incidences of gastrointestinal, hepatic and renal toxicity relative to other platinum drugs...
February 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28197735/beneficial-contribution-of-the-arbuscular-mycorrhizal-fungus-rhizophagus-irregularis-in-the-protection-of-medicago-truncatula-roots-against-benzo-a-pyrene-toxicity
#7
Ingrid Lenoir, Joël Fontaine, Benoît Tisserant, Frédéric Laruelle, Anissa Lounès-Hadj Sahraoui
Arbuscular mycorrhizal fungi are able to improve plant establishment in polluted soils but little is known about the genes involved in the plant protection against pollutant toxicity by mycorrhization, in particular in the presence of polycyclic aromatic hydrocarbons (PAH). The present work aims at studying in both symbiotic partners, Medicago truncatula and Rhizophagus irregularis: (i) expression of genes putatively involved in PAH tolerance (MtSOD, MtPOX, MtAPX, MtGST, MtTFIIS, and MtTdp1α), (ii) activities of antioxidant (SOD, POX) and detoxification (GST) enzymes, and (iii) H2O2 and the heavy PAH, benzo[a]pyrene (B[a]P) accumulation...
February 15, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28197701/-innovative-forms-of-specific-immunotherapy
#8
REVIEW
P Zieglmayer
The clinical efficacy of allergen-specific immunotherapy depends on tolerance induction. Treatment success is currently limited by treatment-related adverse reactions. Novel approaches mainly target improvement of tolerability in addition to optimized immunogenicity. For epicutaneous immunotherapy (EPIT), commercially available treatment extracts are applied to skin via a patch. The route exhibits excellent tolerability and good clinical efficacy. The first encouraging data on a peanut EPIT were published in 2016...
February 14, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28194465/unravelling-the-role-of-protein-kinase-ck2-in-metal-toxicity-using-gene-deletion-mutants
#9
Adam J Johnson, Mohammad S Zaman, Filip Veljanoski, Alex A Phrakaysone, Suhua Li, Patrick J O'Doherty, Gayani Petersingham, Gabriel G Perrone, Mark P Molloy, Ming J Wu
Metal ions, biologically essential or toxic, are present in the surrounding environment of living organisms. Understanding their uptake, homeostasis or detoxification is critical in cell biology and human health. In this study, we investigated the role of protein kinase CK2 in metal toxicity using gene deletion strains of Saccharomyces cerevisiae against a panel of six metal ions. The deletion of CKA2, the yeast orthologue of mammalian CK2α', leads to a pronounced resistant phenotype against Zn(2+) and Al(3+), whilst the deletion of CKB1 or CKB2 results in tolerance to Cr(6+) and As(3+)...
February 14, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28194055/treatment-of-acute-promyelocytic-leukemia-with-single-agent-arsenic-trioxide-experience-from-a-tertiary-care-center-in-india
#10
Karthik Udupa, Joseph Thomas, Chethana Babu Udupa, V S Binu, Prahlad Sharan
APML is a highly curable hematological malignancy which is treated with differentiation agents and chemotherapy. The morbidity caused by chemotherapy in the treatment of APML is a great cause of concern. We treated 12 patients with newly diagnosed APML with single agent arsenic trioxide between 2010 and 2014 irrespective of risk stratification. Out of 12 patient 2 patients died during induction. All the ten patients who completed induction, completed their consolidation and maintenance without any delays. One out of these ten patients relapsed 10 months after treatment...
March 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28193829/soluble-cd83-inhibits-t-cell-activation-by-binding-to-the-tlr4-md-2-complex-on-cd14-monocytes
#11
Joe M Horvatinovich, Elizabeth W Grogan, Marcus Norris, Alexander Steinkasserer, Henrique Lemos, Andrew L Mellor, Irina Y Tcherepanova, Charles A Nicolette, Mark A DeBenedette
The transmembrane protein CD83, expressed on APCs, B cells, and T cells, can be expressed as a soluble form generated by alternative splice variants and/or by shedding. Soluble CD83 (sCD83) was shown to be involved in negatively regulating the immune response. sCD83 inhibits T cell proliferation in vitro, supports allograft survival in vivo, prevents corneal transplant rejection, and attenuates the progression and severity of autoimmune diseases and experimental colitis. Although sCD83 binds to human PBMCs, the specific molecules that bind sCD83 have not been identified...
February 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28192407/ttf-1-nkx2-1-binds-to-ddb1-and-confers-replication-stress-resistance-to-lung-adenocarcinomas
#12
Z Liu, K Yanagisawa, S Griesing, M Iwai, K Kano, N Hotta, T Kajino, M Suzuki, T Takahashi
TTF-1, also known as NKX2-1, is a transcription factor that has indispensable roles in both lung development and physiology. We and others have reported that TTF-1 frequently exhibits high expression with increased copy number in lung adenocarcinomas, and also has a role as a lineage-survival oncogene through transcriptional activation of crucial target genes including ROR1 and LMO3. In the present study, we employed a global proteomic search for proteins that interact with TTF-1 in order to provide a more comprehensive picture of this still enigmatic lineage-survival oncogene...
February 13, 2017: Oncogene
https://www.readbyqxmd.com/read/28189043/type-i-interferon-signalling-is-not-required-for-the-induction-of-endotoxin-tolerance
#13
Yalda Karimi, Sophie M Poznanski, Fatemeh Vahedi, Branson Chen, Marianne V Chew, Amanda J Lee, Ali A Ashkar
Endotoxin, or LPS tolerance, is an immunomodulatory mechanism that results in a significantly diminished response to secondary LPS exposure, which may serve to protect the host against endotoxic shock. Type I interferons (IFNs) are cytokines released upon LPS binding to TLR4 and have been shown to have immunomodulatory properties. Due to this regulatory function of type I IFN, we aimed to investigate the role of type I IFN signalling in LPS tolerance. Our data suggests that type I IFN does not play a role in LPS tolerance in vitro, as both wild type and IFNAR1(-/-) peritoneal macrophages showed reduced cytokine production after secondary LPS exposure...
February 8, 2017: Cytokine
https://www.readbyqxmd.com/read/28188748/association-between-high-avidity-t-cell-receptors-induced-by-alpha-fetoprotein-derived-peptides-and-anti-tumor-effects-in-patients-with-hepatocellular-carcinoma
#14
Hidetoshi Nakagawa, Eishiro Mizukoshi, Eiji Kobayashi, Toshikatsu Tamai, Hiroshi Hamana, Tatsuhiko Ozawa, Hiroyuki Kishi, Masaaki Kitahara, Tatsuya Yamashita, Kuniaki Arai, Takeshi Terashima, Noriho Iida, Kazumi Fushimi, Atsushi Muraguchi, Shuichi Kaneko
BACKGROUND & AIMS: Levels of alpha fetoprotein (AFP) are measured for surveillance and diagnosis of hepatocellular carcinoma (HCC). We performed a phase 1 trial to evaluate the safety and efficacy of AFP-derived peptides as an anti-tumor vaccine for patients with advanced HCC, and characterized induction of AFP-specific T-cell receptors (TCRs). METHODS: We performed a prospective study, of 15 patients with HCC seen at Kanazawa University Hospital in Japan from March 2010 through March 2012...
February 7, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28188715/-multiple-sclerosis-current-immunological-aspects
#15
Carlos Cuevas-García
Multiple sclerosis is the most common inflammatory, chronic and degenerative condition of the central nervous system, and represents the first cause of disability in young adults. In Mexico, 11 to 20 out of every 100 000 people suffer from this disease. The causes of multiple sclerosis remain unknown, but several theories have been proposed: the interaction of environmental factors, viral infectious factors and genetic and immune susceptibility of each individual patient, which induce an autoimmune response and promote neuronal/axonal degeneration...
January 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28187737/evaluation-of-a-web-based-registry-of-inherited-bleeding-disorders-a-descriptive-study-of-the-brazilian-experience-with-hemovidaweb-coagulopatias
#16
Suely Meireles Rezende, Silvia Helena Lacerda Rodrigues, Kelly Neves Pinheiro Brito, Diego Lima Quintino da Silva, Marcos Lázaro Santo, Bárbara de Jesus Simões, Guilherme Genovez, Helder Teixeira Melo, João Paulo Baccara Araújo, Danila Augusta Accioly Varella Barca
BACKGROUND: Inherited bleeding disorders (IBD) consist of a group of rare heterogeneous diseases, which require treatment for life. Management of these disorders is complex and costly. Therefore, good quality data of the affected population is crucial to guide policy planning. The aim of this manuscript is to describe the impact of a national, web-based registry - the Hemovidaweb Coagulopatias (HWC) - in the management of the IBD in Brazil. METHODS: The system was developed in PHP 5...
February 10, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28186688/mechanisms-of-tolerance-induction-by-hematopoietic-chimerism-the-immune-perspective
#17
EDITORIAL
Esma S Yolcu, Haval Shirwan, Nadir Askenasy
Hematopoietic chimerism is one of the effective approaches to induce tolerance to donor-derived tissue and organ grafts without administration of life-long immunosuppressive therapy. Although experimental efforts to develop such regimens have been ongoing for decades, substantial cumulative toxicity of combined hematopoietic and tissue transplants precludes wide clinical implementation. Tolerance is an active immunological process that includes both peripheral and central mechanisms of mutual education of coresident donor and host immune systems...
January 3, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28184331/verticillin-a-inhibits-leiomyosarcoma-and-malignant-peripheral-nerve-sheath-tumor-growth-via-induction-of-apoptosis
#18
A Zewdu, G Lopez, D Braggio, C Kenny, D Constantino, H K Bid, K Batte, O H Iwenofu, N H Oberlies, C J Pearce, A M Strohecker, D Lev, R E Pollock
OBJECTIVE: The heterogeneity of soft tissue sarcoma (STS) represents a major challenge for the development of effective therapeutics. Comprised of over 50 different histology subtypes of various etiologies, STS subsets are further characterized as either karyotypically simple or complex. Due to the number of genetic anomalies associated with genetically complex STS, development of therapies demonstrating potency against this STS cluster is especially challenging and yet greatly needed...
November 2016: Clinical & Experimental Pharmacology
https://www.readbyqxmd.com/read/28184010/the-pepper-ring-type-e3-ligase-caairf1-regulates-the-aba-and-drought-signaling-via-caadip1-protein-phosphatase-degradation
#19
Chae Woo Lim, Woonhee Baek, Sung Chul Lee
Ubiquitin-mediated protein modification occurs at multiple steps of abscisic acid (ABA) signaling. Here, we sought proteins responsible for degradation of the pepper type 2C protein phosphatase CaADIP1 via the 26S proteasome system. We showed that the RING type E3 ligase CaAIRF1 (Capsicum annuum ADIP1 Interacting RING Finger Protein 1) interacts with and ubiquitinates CaADIP1. CaADIP1 degradation was slower in crude proteins from CaAIRF1-silenced peppers than in those from control plants. CaAIRF1-silenced pepper plants displayed reduced ABA sensitivity and decreased drought tolerance characterized by delayed stomatal closure and suppressed induction of ABA- and drought-responsive marker genes...
February 9, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28178571/genome-wide-identification-and-analysis-of-biotic-and-abiotic-stress-regulation-of-small-heat-shock-protein-hsp20-family-genes-in-bread-wheat
#20
Senthilkumar K Muthusamy, Monika Dalal, Viswanathan Chinnusamy, Kailash C Bansal
Small Heat Shock Proteins (sHSPs)/HSP20 are molecular chaperones that protect plants by preventing protein aggregation during abiotic stress conditions, especially heat stress. Due to global climate change, high temperature is emerging as a major threat to wheat productivity. Thus, the identification of HSP20 and analysis of HSP transcriptional regulation under different abiotic stresses in wheat would help in understanding the role of these proteins in abiotic stress tolerance. We used sequences of known rice and Arabidopsis HSP20 HMM profiles as queries against publicly available wheat genome and wheat full length cDNA databases (TriFLDB) to identify the respective orthologues from wheat...
January 22, 2017: Journal of Plant Physiology
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