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interferon beta

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https://www.readbyqxmd.com/read/28937875/multiplex-cytokine-analysis-of-aqueous-humor-from-the-patients-with-chronic-primary-angle-closure-glaucoma
#1
Roopam Duvesh, George Puthuran, Kavitha Srinivasan, Venkatesh Rengaraj, S R Krishnadas, Sharmila Rajendrababu, Vijayakumar Balakrishnan, Pradeep Ramulu, Periasamy Sundaresan
PURPOSE: To compare the levels of cytokines and growth factor in aqueous humor of the patients with chronic primary angle closure glaucoma (PACG) and cataract. METHODS: Aqueous humor samples were collected from 19 chronic PACG patients and compared with 14 nonglaucomatous controls presenting for cataract surgery. The levels of 27 cytokines and growth factors were measured in the aqueous samples using multiplex bead immunoassay and compared across groups. RESULTS: Significantly higher levels of interleukin (IL)-8 (p < 0...
September 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28923179/drugs-and-hyperglycemia-a-practical-guide
#2
REVIEW
Vandana Jain, Ronak Kumar Patel, Zaureen Kapadia, Sneha Galiveeti, Maryann Banerji, Lisel Hope
Drug-induced diabetes is one of the factors contributing to the increasing incidence of diabetes worldwide. This review considers the frequency, pathogenesis and treatment of drug-induced diabetes. Drugs that induce diabetes include hormonal therapy, especially glucocorticoids and androgen blockers, cardiovascular drugs, especially statins, beta-blockers and diuretics, antipsychotics, especially clozapine, olanzapine and quetiapine, antiretrovirals (protease inhibitors and non-reverse transcriptase inhibitors - NRTIs) and other drugs (mechanistic target of rapamycin inhibitors -mTORs, post organ transplantation drugs, tyrosine kinase inhibitors and interferon-alpha)...
October 2017: Maturitas
https://www.readbyqxmd.com/read/28919584/reduced-ifn-%C3%AE-production-in-chronic-brucellosis-patients
#3
Ehsanollah Ghaznavi Rad, Khadijeh Khosravi, Nader Zarinfar, Ghasem Mosayebi
BACKGROUND: Brucella is a well-known intracellular bacterium entailing acute and chronic illnesses in humans and domestic animals. The infection chronicity may be affected by the cell-mediated immunity and cytokine patterns. OBJECTIVE: To evaluate the patterns of T-helper cytokines in patients suffering from chronic and acute brucellosis. METHODS: In this cross-sectional study, 22 individuals with acute brucellosis, 21 individuals with chronic brucellosis, and 21 healthy individuals with the same genetic background were recruited from October 2015 to April 2016...
September 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28914581/circulating-lymphocyte-levels-and-relationship-with-infection-status-in-patients-with-relapsing-remitting-multiple-sclerosis-treated-with-daclizumab-beta
#4
Gavin Giovannoni, Heinz Wiendl, Benjamin Turner, Kimberly Umans, Oksana Mokliatchouk, Wanda Castro-Borrero, Steven J Greenberg, Peter McCroskery, Giorgio Giannattasio
BACKGROUND: Reversible lymphocyte count reductions have occurred following daclizumab beta treatment for relapsing-remitting multiple sclerosis. OBJECTIVE: To analyse total and differential lymphocyte levels and relationship with infection status. METHODS: In DECIDE, blood samples were collected at 12-week intervals from daclizumab beta- ( n = 919) or intramuscular interferon beta-1a-treated ( n = 922) patients. Infections/serious infections were assessed proximate to grade 2/3 lymphopenia or low CD4(+)/CD8(+) T-cell counts...
September 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28914229/clinical-effectiveness-and-cost-effectiveness-of-beta-interferon-and-glatiramer-acetate-for-treating-multiple-sclerosis-systematic-review-and-economic-evaluation
#5
G J Melendez-Torres, Peter Auguste, Xavier Armoiry, Hendramoorthy Maheswaran, Rachel Court, Jason Madan, Alan Kan, Stephanie Lin, Carl Counsell, Jacoby Patterson, Jeremy Rodrigues, Olga Ciccarelli, Hannah Fraser, Aileen Clarke
BACKGROUND: At the time of publication of the most recent National Institute for Health and Care Excellence (NICE) guidance [technology appraisal (TA) 32] in 2002 on beta-interferon (IFN-β) and glatiramer acetate (GA) for multiple sclerosis, there was insufficient evidence of their clinical effectiveness and cost-effectiveness. OBJECTIVES: To undertake (1) systematic reviews of the clinical effectiveness and cost-effectiveness of IFN-β and GA in relapsing-remitting multiple sclerosis (RRMS), secondary progressive multiple sclerosis (SPMS) and clinically isolated syndrome (CIS) compared with best supportive care (BSC) and each other, investigating annualised relapse rate (ARR) and time to disability progression confirmed at 3 months and 6 months and (2) cost-effectiveness assessments of disease-modifying therapies (DMTs) for CIS and RRMS compared with BSC and each other...
September 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28913840/loss-of-regulatory-characteristics-in-cd4-cd25-hi-t-cells-induced-by-impaired-transforming-growth-factor-beta-secretion-in-pneumoconiosis
#6
Lu-Qin Bian, Ling Mao, Ying Bi, Shao-Wei Zhou, Zi-Dan Chen, Jun Wen, Jin Shi, Ling Wang
Pneumoconiosis is caused by the accumulation of airborne dust in the lung, which stimulates a progressive inflammatory response that ultimately results in lung fibrosis and respiratory failure. It is possible that regulatory cells in the immune system could function to suppress inflammation and possibly slow or reverse disease progression. However, results in this study suggest that in pneumoconiosis patients, the regulatory T cells (Tregs) and B cells are functionally impaired. First, we found that pneumoconiosis patients presented an upregulation of CD4(+) CD25(+) T cells compared to controls, whereas the CD4(+) CD25(+) and CD4(+) CD25(hi) T cells were enriched with Th1- and Th17-like cells but not Foxp3-expressing Treg cells and evidenced by significantly higher T-bet, interferon (IFN)-γ, and interleukin (IL)-17 expression but lower Foxp3 and transforming growth factor (TGF)-β expression...
September 15, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28901194/acute-renal-graft-versus-host-disease-in-a-murine-model-of-allogeneic-bone-marrow-transplantation
#7
Peter M Schmid, Abdellatif Bouazzaoui, Karin Schmid, Christoph Birner, Christian Schach, Lars S Maier, Ernst Holler, Dierk H Endemann
Acute kidney injury (AKI) is a very common complication after allogeneic bone marrow transplantation (BMT) and is associated with a poor prognosis. Generally, the kidneys are assumed to not be no direct targets of graft-versus-host disease (GvHD), and renal impairment is often attributed to several other factors occurring in the early phase after BMT. Our study aimed to prove the existence of renal GvHD in a fully major histocompatibility complex (MHC)-mismatched model of BALB/c mice conditioned and transplanted according to 2 different intensity protocols...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28895584/effects-of-lobeglitazone-a-novel-thiazolidinedione-on-adipose-tissue-remodeling-and-brown-and-beige-adipose-tissue-development-in-db-db-mice
#8
G Kim, Y-H Lee, M R Yun, J-Y Lee, E G Shin, B-W Lee, E S Kang, B-S Cha
BACKGROUND/OBJECTIVES: We investigated the effect of long-term treatment with lobeglitazone, a novel thiazolidinedione-based activator of PPARγ, on adipose tissue (AT), focusing on its effects on insulin resistance in obese db/db mice. METHODS: Seven-week-old male db/db mice were assigned to either a vehicle-treated (n=8) or lobeglitazone-treated (n=8) group. Lobeglitazone (1 mg/kg daily) was injected intraperitoneally for 20 weeks. RESULTS: Lobeglitazone treatment for 20 weeks resulted in a remarkably improved glycemic index, including significantly decreased glucose levels, enhanced insulin sensitivity, and preserved pancreatic beta cells...
September 12, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28883123/post-translational-modification-of-the-interferon-gamma-receptor-alters-its-stability-and-signaling
#9
James D Londino, Dexter L Gullick, Travis B Lear, Tomeka L Suber, Nathaniel M Weathington, Luke S Masa, Bill B Chen, Rama K Mallampalli
The IFN gamma receptor 1 (IFNGR1) binds IFN gamma and activates gene transcription pathways crucial for controlling bacterial and viral infections. Although decreases in IFNGR1 surface levels have been demonstrated to inhibit IFN gamma signaling, little is known regarding the molecular mechanisms controlling receptor stability. Here we show in epithelial and monocytic cell lines that IFNGR1 displays K48 polyubiquitination, is proteasomally degraded, and harbors three ubiquitin acceptor sites at K277, K279, and K285...
September 7, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28882979/multiple-sclerosis-and-subsequent-human-immunodeficiency-virus-infection-a-case-with-the-rare-comorbidity-focus-on-novel-treatment-issues-and-review-of-the-literature
#10
Charalampos Skarlis, Maria Gontika, Serafeim Katsavos, Giorgios Velonakis, Panagiotis Toulas, Maria Anagnostouli
BACKGROUND: The comorbidity between Multiple Sclerosis (MS) and Human Immunodeficiency Virus (HIV) infection is particularly rare. Only a few cases of comorbidity of Clinically Definite(CD)-MS and HIV have been documented worldwide, while the potential beneficial role of antiretroviral therapy regarding MS activity has long been an area of debate. CASE REPORT: We present a 36-year old male, bearing a diagnosis of CD-MS for twelve years. He had been treated for ten years with interferon-beta-1b, when he voluntarily discontinued therapy, claiming clinical stability...
September 2017: In Vivo
https://www.readbyqxmd.com/read/28878732/multiple-sclerosis-treatments-affect-monocyte-derived-microvesicle-production
#11
Maria Blonda, Antonella Amoruso, Roberta Grasso, Valeria Di Francescantonio, Carlo Avolio
Microvesicles (MVs) are released by immune cells especially of the myeloid lineage upon stimulation with ATP on its cognate receptor P2X7, both in physiological and pathological conditions. In multiple sclerosis (MS) the role of MVs remains little investigated. We aimed to compare the release of MVs in peripheral blood monocytes from MS patients with healthy donors (HDs) and to see how current MS treatment may affect such a production. We also assessed the treatment effect on M1 and M2 monocyte polarization and on the inflammasome components...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28877912/type-1-interferons-potentiate-human-cd8-t-cell-cytotoxicity-through-a-stat4-and-granzyme-b-dependent-pathway
#12
Brittney N Newby, Todd M Brusko, Baiming Zou, Mark A Atkinson, Michael Clare-Salzler, Clayton E Mathews
Events defining the progression to human type 1 diabetes (T1D) have remained elusive owing to the complex interaction between genetics, the immune system, and the environment. Type 1 Interferons (T1-IFN) are known to be a constituent of the auto-inflammatory milieu within the pancreas of patients with T1D. However, the capacity of IFNα/β to modulate human activated auto-reactive CD8(+) T cell (CTL) responses within the islets of patients with T1D have not been investigated. Here, we engineer human beta cell specific CTLs and demonstrate that T1-IFN augments cytotoxicity by inducing rapid phosphorylation of STAT4, resulting in direct binding at the granzyme B (GZMB) promoter within 2 hours of exposure...
September 6, 2017: Diabetes
https://www.readbyqxmd.com/read/28877664/adherence-satisfaction-and-functional-health-status-among-patients-with-multiple-sclerosis-using-the-betaconnect%C3%A2-autoinjector-a-prospective-observational-cohort-study
#13
Ingo Kleiter, Michael Lang, Judith Jeske, Christiane Norenberg, Barbara Stollfuß, Markus Schürks
BACKGROUND: Maintaining patient adherence to disease modifying drugs in multiple sclerosis is a challenge, which can be improved by autoinjectors. The BETACONNECT® is a fully electronic autoinjector for the injection of interferon beta-1b (IFN beta-1b) automatically recording injections. METHODS: The BETAEVAL study was a prospective, observational, cohort study over 24 weeks among patients with relapsing remitting multiple sclerosis or clinically isolated syndrome treated with IFN beta-1b in Germany using the BETACONNECT®...
September 6, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28874687/cell-based-assay-identifies-tlr2-and-tlr4-stimulating-impurities-in-interferon-beta
#14
Lydia Asrat Haile, Swamy Kumar Polumuri, Roshni Rao, Logan Kelley-Baker, Dimitri Kryndushkin, Rajesh Rajaiah, Tomer Israely, V Ashutosh Rao, Daniela Verthelyi
Immunogenicity can have devastating consequences on the safety and efficacy of therapeutic proteins. Therefore, evaluating and mitigating the risk of product immunogenicity is critical for the development these products. This study, showed that Betaseron and Extavia, which are reported to be more immunogenic among IFNβ products in clinical usage, contain residual innate immune response modulating impurities (IIRMIs) capable of activating NF-κB and induced expression of inflammatory mediators. These IIRMIs were undetectable in Rebif or Avonex...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28868167/comparing-the-effects-of-combined-general-epidural-anaesthesia-and-general-anaesthesia-on-serum-cytokine-levels-in-radical-cystectomy
#15
Meltem Savran Karadeniz, Orkhan Mammadov, Hayriye Şentürk Çiftci, Sebahat Akgül Usta, Kamil Pembeci
OBJECTIVE: Surgical stress combined with general anaesthesia (GA) suppresses the immune system and leads to cancer cell growth and premature metastasis in major oncological interventions. Epidural analgesia decreases the need for inhalation agents and opioids during surgery by suppressing sympathetic and neuroendocrine responses in the postoperative period. This study aimed to compare the effects of combined general/epidural anaesthesia (GEA)+patient-controlled epidural analgesia (PCEA) and GA+IV patient-controlled analgesia (PCA) on serum tumour necrosis factor-alpha TNF-α), interleukin-1 beta (IL-1β) and interferon-gamma (IFN-γ) levels in patients undergoing radical cystectomy...
August 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28856908/butyrate-modulating-effects-on-pro-inflammatory-pathways-in-human-intestinal-epithelial-cells
#16
A Elce, F Amato, F Zarrilli, A Calignano, R Troncone, G Castaldo, R B Canani
Butyrate acts as energy source for intestinal epithelial cells and as key mediator of several immune processes, modulating gene expression mainly through histone deacetylation inhibition. Thanks to these effects, butyrate has been proposed for the treatment of many intestinal diseases. Aim of this study was to investigate the effect of butyrate on the expression of a large series of target genes encoding proteins involved in pro-inflammatory pathways. We performed quantitative real-time-PCR analysis of the expression of 86 genes encoding proteins bearing to pro-inflammatory pathways, before and after butyrate exposure, in primary epithelial cells derived from human small intestine and colon...
August 31, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28855240/pancreatic-beta-cell-derived-ip-10-cxcl10-isletokine-mediates-early-loss-of-graft-function-in-islet-cell-transplantation
#17
Gumpei Yoshimatsu, Faisal Kunnathodi, Prathab Balaji Saravanan, Rauf Shahbazov, Charles Chang, Carly M Darden, Sandra Zurawski, Gulbahar Boyuk, Mazhar A Kanak, Marlon F Levy, Bashoo Naziruddin, Michael C Lawrence
Pancreatic islets produce and secrete cytokines and chemokines in response to inflammatory and metabolic stress. The physiological role of these "isletokines" in health and disease is largely unknown. We observed that islets release multiple inflammatory mediators in patients undergoing islet transplants within hours of infusion. The proinflammatory cytokine interferon gamma-induced protein 10 (IP-10/CXCL10) was among the highest released, and high levels correlated with poor islet transplant outcomes. Transgenic mouse studies confirmed that donor islet-specific expression of IP-10 contributed to islet inflammation and loss of beta-cell function in islet grafts...
August 30, 2017: Diabetes
https://www.readbyqxmd.com/read/28854691/the-clinical-recovery-of-tuberculosis-patients-undergoing-specific-treatment-is-associated-with-changes-in-the-immune-and-neuroendocrine-responses
#18
Ariana Díaz, Bettina Bongiovanni, Luciano D'Attilio, Natalia Santucci, Griselda Dídoli, Rocío Del Valle Fernández, Leandro Kovalevski, Susana Lioi, Walter Gardeñez, Nadia Brandan, Luis J Nannini, Hugo Besedovsky, Adriana Del Rey, Oscar Bottasso, María Luisa Bay
Tuberculosis (TB) caused by Mycobacterium tuberculosis is a health problem worldwide. Patients with pulmonary TB show a neuro-immune-endocrine imbalance characterized by an impaired cellular immunity together with increased plasma levels of cortisol, pro- and anti-inflammatory cytokines and markedly decreased dehydroepiandrosterone (DHEA) levels. Extending these findings, we now investigated the immune-endocrine profile of TB patients undergoing specific treatment. Patients (n = 24) were bled at diagnosis (T0), 2, 4, 6 months after treatment initiation and 3 months following its completion...
September 29, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28843856/htnv-induced-upregulation-of-mir-146a-in-huvecs-promotes-viral-infection-by-modulating-pro-inflammatory-cytokine-release
#19
Qing-Zhou Chen, Fan Luo, Ming-Xiang Lu, Ning Li, Yan Teng, Qiu-Ling Huang, Ni Zhu, Guan-Yi Wang, Ming Yue, Yun Zhang, Yong Feng, Hai-Rong Xiong, Wei Hou
Increasing research has shown a link between viruses and miRNAs, such as miRNA-146a, in regulating virus infection and replication. In the current study, the association between miR-146a and hantaan virus (HTNV) infection in human umbilical vein endothelial cells (HUVECs) was investigated, with a focus on examining the expression of pro-inflammatory cytokines. The results showed that HTNV infection promoted the production of miR-146a in HUVECs and activated NF-κB(Nuclear factor-κB) signaling, along with the upregulation of pro-inflammatory cytokines, including IL-8(Interleukin 8), CCL5(C-C Motif Chemokine Ligand 5, also RANTES), IP-10(Interferon-inducible protein-10) and IFN-β(Interferon beta)...
August 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28840599/butyltin-compounds-alter-secretion-of-interleukin-6-from-human-immune-cells
#20
Shyretha Brown, Wendy Wilburn, Tyesha Martin, Margaret Whalen
Butyltins (BTs), tributyltin (TBT) and dibutyltin (DBT) are organotin compounds that have been used in a variety of industrial applications; as a result, these compounds have been found in human blood. Interleukin (IL)-6 is a proinflammatory mediator that is produced by T lymphocytes and monocytes. It is responsible for immune response regulation as well as tissue repair and cellular growth. Both BTs decrease the ability of human natural killer cells to destroy tumor cells and alter the secretion of proinflammatory cytokines tumor necrosis factor alpha, interferon gamma and IL-1 beta (β) from human lymphocytes ex vivo...
August 24, 2017: Journal of Applied Toxicology: JAT
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