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https://www.readbyqxmd.com/read/28914852/-efficiency-of-immunosuppressive-therapy-in-virus-negative-and-virus-positive-patients-with-morphologically-verified-lymphocytic-myocarditis
#1
O V Blagova, A V Nedostup, E A Kogan, V A Sulimov
AIM: To evaluate the efficiency of immunosuppressive therapy (IST) in virus-negative (V-) and virus-positive (V+) patients with lymphocytic myocarditis (LM). SUBJECTS AND METHODS: 60 patients (45 males) (mean age 46.7±11.8 years) with dilated cardiomyopathy (mean left ventricular (LV) end diastolic size (EDS) 6.7±0.7 cm; ejection fraction (EF) 26.2±9.1%) were examined. The diagnosis of active/borderline LM was verified by right ventricular endomyocardial biopsy in 38 patients, by intraoperative LV biopsy in 10, in the study of explanted hearts from 3 patients and at autopsy in 9...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28910563/safety-and-immunogenicity-of-the-killed-bivalent-o1-and-o139-whole-cell-cholera-vaccine-in-the-philippines
#2
Maria Rosario Z Capeding, Maria Liza Antoinette M Gonzales, Mandeep Singh Dhingra, Naveena Aloysia D'cor, Venkat Jayanth Midde, Badri Narayan Patnaik, Yaël Thollot, Eric Desauziers
The killed bivalent (O1 and O139) whole cell oral cholera vaccine (OCV) (Shanchol™) was first licensed in India in 2009 and World Health Organization pre-qualified in 2011. We assessed the safety and immunogenicity of this OCV in the Philippines. This was a phase IV, single-arm, descriptive, open-label study. We recruited 336 participants from two centers: 112 participants in each age group (1-4, 5-14 and ≥15 years). Participants received two OCV doses 14 days apart. Safety was monitored throughout the trial...
September 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28898778/effects-of-imidacloprid-on-rana-catesbeiana-immune-and-nervous-system
#3
Francesca M Rios, Travis E Wilcoxen, Laura M Zimmerman
Imidacloprid (IMD), a neonicotinoid, is generally considered to be of low toxicity in vertebrates. However, the inhibition of acetylcholine (ACh) receptors can have a profound effect on both the immune and nervous system due to the anti-inflammatory effects of ACh. Vertebrates, such as amphibians, might be affected by IMD because they breed in wetlands where the concentration of IMD is high. In our study, we experimentally exposed Rana catesbeiana tadpoles to environmentally relevant IMD and then quantified the ACh and antibody to non-replicating antigens...
August 30, 2017: Chemosphere
https://www.readbyqxmd.com/read/28882444/tetanus-toxoid-carrier-protein-induced-t-helper-cell-responses-upon-vaccination-of-middle-aged-adults
#4
Marieke van der Heiden, Aafke Duizendstra, Guy A M Berbers, Annemieke M H Boots, Anne-Marie Buisman
INTRODUCTION: Vaccines frequently induce suboptimal immune responses in the elderly, due to immunological ageing. Timely vaccination may be a strategy to overcome this problem, which classifies middle-aged adults asan interesting target group for future vaccine interventions. However, the immunological fitness of the middle-aged population is ill-defined. It is currently unknown whether effective T-cell help towards B-cells is initiated by conjugate-carrier vaccines at middle-age. AIM: We characterized systemic Tetanus Toxoid (TT) specific T-helper cell responses in the circulation of middle-aged adults (50-65years of age, n=31) having received the MenACWY-TT vaccination...
September 4, 2017: Vaccine
https://www.readbyqxmd.com/read/28881103/hla-polymorphisms-and-risk-of-red-blood-cell-alloimmunisation-in-polytransfused-patients-with-sickle-cell-anaemia
#5
C Rodrigues, A M Sell, G A S Guelsin, T T Higa, S Pagliarini E Silva, L C Macedo, E Â Sippert, J B de Alencar, Â Zanette, C R L Acorsi, L Castilho, J E L Visentainer
BACKGROUND: Red blood cell (RBC) alloimmunisation is an event that may occur due to factors such as numerous blood transfusions, age, gender and genetic factors such as human leukocyte antigen (HLA). AIMS/OBJECTIVES: The aim of the present study was to investigate the possibility of alloimmunisation to red blood cell group antigens associated with the HLA of individuals and to relate alloimmunisation to risk factors. METHODS: A total of 172 polytransfused patients with sickle cell anaemia (SCA) (44 alloimmunised, 128 non-alloimmunised) participated in this study...
September 7, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28862080/evaluation-of-brain-targeted-chitosan-nanoparticles-through-blood-brain-barrier-cerebral-microvessel-endothelial-cells
#6
Adem Sahin, Digdem Yoyen-Ermis, Secil Caban-Toktas, Utku Horzum, Yesim Aktas, Patrick Couvreur, Gunes Esendagli, Yilmaz Capan
The blood-brain barrier is the major problem for the treatment of central nervous system diseases. A previous study from our group showed that the brain-targeted chitosan nanoparticles-loaded with large peptide moieties can rapidly cross the barrier and provide neuroprotection. The present study aims to determine the efficacy of the brain-targeted chitosan nanoparticles' uptake by the human blood-brain barrier cerebral microvessel endothelial cells (hCMECs) and to investigate the underlying mechanisms for enhanced cellular entry...
September 1, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28855902/different-adjuvants-induce-common-innate-pathways-that-are-associated-with-enhanced-adaptive-responses-against-a-model-antigen-in-humans
#7
Wivine Burny, Andrea Callegaro, Viviane Bechtold, Frédéric Clement, Sophie Delhaye, Laurence Fissette, Michel Janssens, Geert Leroux-Roels, Arnaud Marchant, Robert A van den Berg, Nathalie Garçon, Robbert van der Most, Arnaud M Didierlaurent
To elucidate the role of innate responses in vaccine immunogenicity, we compared early responses to hepatitis B virus (HBV) surface antigen (HBsAg) combined with different Adjuvant Systems (AS) in healthy HBV-naïve adults, and included these parameters in multi-parametric models of adaptive responses. A total of 291 participants aged 18-45 years were randomized 1:1:1:1:1 to receive HBsAg with AS01B, AS01E, AS03, AS04, or Alum/Al(OH)3 at days 0 and 30 (ClinicalTrials.gov: NCT00805389). Blood protein, cellular, and mRNA innate responses were assessed at early time-points and up to 7 days after vaccination, and used with reactogenicity symptoms in linear regression analyses evaluating their correlation with HBs-specific CD4(+) T-cell and antibody responses at day 44...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28803419/specific-periodontopathic-bacterial-infection-affects-hypertension-in-male-cardiovascular-disease-patients
#8
Norio Aoyama, Jun-Ichi Suzuki, Hidetoshi Kumagai, Yuichi Ikeda, Hiroshi Akazawa, Issei Komuro, Masato Minabe, Yuichi Izumi, Mitsuaki Isobe
Hypertension (HT) is a systemic disorder that results in the decline of quality of life and death. While patients with periodontitis are at a high risk of HT, little causal information has been provided to date. To clarify the relationship, periodontopathic bacterial infection in cardiovascular patients with or without HT was evaluated. The subjects were patients with (n = 412) or without (n = 199) HT who attended Tokyo Medical and Dental University hospital. Blood examinations and periodontal measurements were performed...
August 12, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28800777/bortezomib-treatment-induces-a-higher-mortality-rate-in-lupus-model-mice-with-a-higher-disease-activity
#9
Tomoko Ikeda, Hiroshi Fujii, Masato Nose, Yukiko Kamogawa, Tsuyoshi Shirai, Yuko Shirota, Tomonori Ishii, Hideo Harigae
BACKGROUND: Bortezomib (Bz) is a proteasome inhibitor that directly targets antibody-producing plasma cells. We recently reported the first randomized control trial that evaluated the effects of Bz in patients with systemic lupus erythematosus (SLE). In that study, we demonstrated that Bz treatment is associated with many adverse reactions in patients with refractory disease. In the present study, we examine the therapeutic and toxic effects of Bz on MRL/MpJ-lpr/lpr (MRL/lpr) mice with severe disease activity...
August 11, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28782884/chronic-lymphocytic-leukemia-2017-update-on-diagnosis-risk-stratification-and-treatment
#10
REVIEW
Michael Hallek
DISEASE OVERVIEW: Chronic lymphocytic leukemia (CLL) is the commonest leukemia in western countries. The disease typically occurs in elderly patients and has a highly variable clinical course. Leukemic transformation is initiated by specific genomic alterations that impair apoptosis of clonal B cells. DIAGNOSIS: The diagnosis is established by blood counts, blood smears, and immunophenotyping of circulating B lymphocytes, which identify a clonal B-cell population carrying the CD5 antigen and B-cell markers...
September 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28780512/repeated-administration-of-dapirolizumab-pegol-in-a-randomised-phase-i-study-is-well-tolerated-and-accompanied-by-improvements-in-several-composite-measures-of-systemic-lupus-erythematosus-disease-activity-and-changes-in-whole-blood-transcriptomic-profiles
#11
Chris Chamberlain, Peter J Colman, Ann M Ranger, Linda C Burkly, Geoffrey I Johnston, Christian Otoul, Christian Stach, Miren Zamacona, Thomas Dörner, Murray Urowitz, Falk Hiepe
OBJECTIVES: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease associated with diffuse immune cell dysfunction. CD40-CD40 ligand (CD40L) interaction activates B cells, antigen-presenting cells and platelets. CD40L blockade might provide an innovative treatment for systemic autoimmune disorders. We investigated the safety and clinical activity of dapirolizumab pegol, a polyethylene glycol conjugated anti-CD40L Fab' fragment, in patients with SLE. METHODS: This 32-week randomised, double-blind, multicentre study (NCT01764594) evaluated repeated intravenous administration of dapirolizumab pegol in patients with SLE who were positive for/had history of antidouble stranded DNA/antinuclear antibodies and were on stable doses of immunomodulatory therapies (if applicable)...
August 5, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28780000/systemic-infusions-of-anti-interleukin-1%C3%AE-neutralizing-antibodies-reduce-short-term-brain-injury-after-cerebral-ischemia-in-the-ovine-fetus
#12
Xiaodi Chen, Virginia Hovanesian, Syed Naqvi, Yow-Pin Lim, Richard Tucker, John E Donahue, Edward G Stopa, Barbara S Stonestreet
Perinatal hypoxic-ischemic reperfusion (I/R)-related brain injury is a leading cause of neurologic morbidity and life-long disability in children. Infants exposed to I/R brain injury develop long-term cognitive and behavioral deficits, placing a large burden on parents and society. Therapeutic strategies are currently not available for infants with I/R brain damage, except for hypothermia, which can only be used in full term infants with hypoxic-ischemic encephalopathy (HIE). Moreover, hypothermia is only partially protective...
August 2, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28770196/functionality-of-immunoglobulin-g-and-immunoglobulin-m-antibody-physisorbed-on-cellulosic-films
#13
Ziwei Huang, Vikram Singh Raghuwanshi, Gil Garnier
The functionality and aging mechanism of antibodies physisorbed onto cellulosic films was investigated. Blood grouping antibodies immunoglobulin G (IgG) and immunoglobulin M (IgM) were adsorbed onto smooth cellulose acetate (CAF) and regenerated cellulose (RCF) films. Cellulose films and adsorbed IgG layers were characterized at the air and liquid interface by X-ray and neutron reflectivity (NR), respectively. Cellulose film 208 Å thick (in air) swell to 386 Å once equilibrated in water. IgG adsorbs from solution onto cellulose as a partial layer 62 Å thick...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28762591/ean-consensus-review-on-prevention-diagnosis-and-management-of-tick-borne-encephalitis
#14
REVIEW
P Taba, E Schmutzhard, P Forsberg, I Lutsar, U Ljøstad, Å Mygland, I Levchenko, F Strle, I Steiner
BACKGROUND AND PURPOSE: Tick-borne encephalitis (TBE) is an infection of the central nervous system (CNS) caused by tick-borne encephalitis virus (TBEV) and transmitted by ticks, with a variety of clinical manifestations. The incidence of TBE in Europe is increasing due to an extended season of the infection and the enlargement of endemic areas. Our objectives are to provide recommendations on the prevention, diagnosis and management of TBE, based on evidence or consensus decisions. METHODS: For systematic evaluation, the literature was searched from 1970 to 2015 (including early online publications of 2016), and recommendations were based on evidence or consensus decisions of the Task Force when evidence-based data were not available...
August 1, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28761185/comparative-efficacy-of-intranasal-and-injectable-vaccines-in-stimulating-bordetella-bronchiseptica-reactive-anamnestic-antibody-responses-in-household-dogs
#15
John A Ellis, Sheryl P Gow, Lindsey B Lee, Stacey Lacoste, Eileen C Ball
In order to determine the comparative efficacy of injectable and intranasal vaccines to stimulate Bordetella bronchiseptica (Bb)-reactive anamnestic antibodies, a trial was conducted using 144 adult household dogs of various breeds and ages, which had been previously administered intranasal Bb vaccine approximately 12 months before enrollment. Dogs were randomized into 2 groups and blood, nasal swabs, and pharyngeal swabs were collected prior to the administration of single component Bb vaccines intranasally or parenterally...
August 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28758182/which-is-better-stainless-steel-or-titanium-alloy
#16
Sibel Akyol, Hakan Bozkus, Suzan Adin Cinar, Mehmet Murat Hanci
AIM: To investigate immunologic reactions after implantation of stainless steel (SS) alloy and titanium (Ti) alloy in a rat model. Macrophage and cytokine responses have been reported after the in vivo and in vitro application of different biomaterials. MATERIAL AND METHODS: Wistar albino rats after an exploration of the thoracolumbar paravertebral muscle tissue of the subjects, group I underwent a sham surgery, and groups II and III were implanted Ti alloy and SS alloy rods respectively...
June 14, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28753791/a-prospective-observational-study-for-assessment-and-outcome-association-of-circulating-endothelial-cells-in-clear-cell-renal-cell-carcinoma-patients-who-show-initial-benefit-from-first-line-treatment-the-circles-circulating-endothelial-cells-study-sogug-cec
#17
Jesús García-Donas, Luis Angel Leon, Emilio Esteban, Maria Jose Vidal-Mendez, Jose Angel Arranz, Xavier Garcia Del Muro, Laura Basterretxea, Aranzazu González Del Alba, Miguel Angel Climent, Juan Antonio Virizuela, Carlos Álvarez, Juan Sepúlveda, Urbano Anido, Carlos López, Maria Jose Ortiz-Morales, Xavier Pérez, Cristina Rodriguez-Antona, Juan Francisco Rodriguez-Moreno, Susana Hernando, Daniel Castellano
BACKGROUND: Markers able to predict the response to antiangiogenics in metastatic clear cell renal cell carcinoma (ccRCC) are not available. The development of new treatment options like immunotherapy are reaching the clinic; therefore, predictors of benefit from these different available treatments are increasingly needed. OBJECTIVE: In this study, we prospectively assessed the association of circulating endothelial cells (CECs) in peripheral blood with long-term benefit from first-line treatment in ccRCC...
October 4, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28750654/different-therapeutic-effects-of-cells-derived-from-human-amniotic-membrane-on-premature-ovarian-aging-depend-on-distinct-cellular-biological-characteristics
#18
Chenyue Ding, Hong Li, Yun Wang, Fuxin Wang, Huihua Wu, Rulei Chen, Jinghuan Lv, Wei Wang, Boxian Huang
BACKGROUND: Many reports have shown that various kinds of stem cells have the ability to recover premature ovarian aging (POA) function. Transplantation of human amniotic epithelial cells (hAECs) improves ovarian function damaged by chemotherapy in a mice model. Understanding of how to evaluate the distinct effects of adult stem cells in curing POA and how to choose stem cells in clinical application is lacking. METHODS: To build a different degrees of POA model, mice were administered different doses of cyclophosphamide: light dose (70 mg/kg, 2 weeks), medium dose (70 mg/kg, 1 week; 120 mg/kg, 1 week), and high dose (120 mg/kg, 2 weeks)...
July 27, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28746217/18f-fluoro-deoxy-glucose-positron-emission-tomography-combined-with-computed-tomography-can-reliably-rule-out-infection-and-cancer-in-patients-with-anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-suspected-of-disease-relapse
#19
Evan C Frary, Søren Hess, Oke Gerke, Helle Laustrup
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of autoimmune diseases characterized by systemic inflammation in small- to medium-sized blood vessels. Although immunosuppressive therapy has greatly improved the prognosis for these patients, there are still significant comorbidities, such as cancer and infection, associated with AAV. These comorbidities are often indistinguishable from an underlying AAV disease relapse, and create a clinical conundrum, as these conditions are normally contraindications for immunosuppressive treatment...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28742815/il33-mediated-ilc2-activation-and-neutrophil-il5-production-in-the-lung-response-after-severe-trauma-a-reverse-translation-study-from-a-human-cohort-to-a-mouse-trauma-model
#20
Jing Xu, Jesse Guardado, Rosemary Hoffman, Hui Xu, Rami Namas, Yoram Vodovotz, Li Xu, Mostafa Ramadan, Joshua Brown, Heth R Turnquist, Timothy R Billiar
BACKGROUND: The immunosuppression and immune dysregulation that follows severe injury includes type 2 immune responses manifested by elevations in interleukin (IL) 4, IL5, and IL13 early after injury. We hypothesized that IL33, an alarmin released early after tissue injury and a known regulator of type 2 immunity, contributes to the early type 2 immune responses after systemic injury. METHODS AND FINDINGS: Blunt trauma patients admitted to the trauma intensive care unit of a level I trauma center were enrolled in an observational study that included frequent blood sampling...
July 2017: PLoS Medicine
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