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Immune globulin

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https://www.readbyqxmd.com/read/28802889/ameliorative-effect-of-propolis-supplementation-in-alleviating-bisphenol-a-toxicity-growth-performance-biochemical-variables-and-oxidative-stress-biomarkers-of-nile-tilapia-oreochromis-niloticus-l-fingerlings
#1
Heba S Hamed, Mohsen Abdel-Tawwab
Bisphenol-A (BPA) is one of the important pollutants in aquatic ecosystems and its detrimental effects on fish have a great concern. Propolis is a natural immune-stimulant that has various biological and pharmacological activities. Thus, its capability to alleviate the toxic effect of BPA on Nile tilapia, Oreochromis niloticus (L.) was assessed in a study based on a 2 × 2 factorial design with two levels of ethanolic extract of propolis (EEP) and two waterborne BPA concentrations in triplicates. Fish (33.9 ± 0...
August 9, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28797029/successful-use-of-equine-anti-thymocyte-globulin-atgam-for-fulminant-myocarditis-secondary-to-nivolumab-therapy
#2
Rebecca Y Tay, Elizabeth Blackley, Catriona McLean, Maggie Moore, Peter Bergin, Sanjeev Gill, Andrew Haydon
BACKGROUND: Immune-mediated myocarditis is an uncommon adverse effect of immune checkpoint inhibition and is associated with a high rate of mortality. METHODS: In this reported case, a 64-year-old woman with right temporo-parietal glioblastoma IDH-WT was treated with nivolumab, temozolomide and radiation therapy on a clinical trial. She developed malignant arrhythmias secondary to histologically confirmed severe immune-mediated myocarditis. She was treated with equine anti-thymocyte globulin (ATGAM) due to development of malignant arrhythmias refractory to high-dose corticosteroids...
August 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28796682/a-guide-to-terminology-for-rh-immunoprophylaxis
#3
S Gerald Sandler, John T Queenan
Rh immunoprophylaxis for Rh-negative women requires an understanding of terminology used for Rh blood typing laboratory reports. The pathophysiology of Rh hemolytic disease of the fetus and newborn was elucidated by studies in rhesus monkeys. Subsequent studies revealed that the human blood group antigen responsible for Rh hemolytic disease of the newborn (D antigen) is related to, but different from, the rhesus monkey antigen. Weak expression of the D antigen on red cells, originally termed D, is currently reported by laboratories as a "serologic weak D phenotype," which can be further defined by RHD genotyping to be either an RHD weak D type or a partial D phenotype...
August 4, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28793866/strategies-for-the-prevention-of-perinatal-hepatitis-b-transmission-in-a-marginalized-population-on-the-thailand-myanmar-border-a-cost-effectiveness-analysis
#4
Angela Devine, Rebecca Harvey, Aung Myat Min, Mary Ellen T Gilder, Moo Koh Paw, Joy Kang, Isabella Watts, Borimas Hanboonkunupakarn, François Nosten, Rose McGready
BACKGROUND: Data on the cost effectiveness of hepatitis B virus (HBV) screening and vaccination strategies for prevention of vertical transmission of HBV in resource limited settings is sparse. METHODS: A decision tree model of HBV prevention strategies utilised data from a cohort of 7071 pregnant women on the Thailand-Myanmar border using a provider perspective. All options included universal HBV vaccination for newborns in three strategies: (1) universal vaccination alone; (2) universal vaccination with screening of women during antenatal visits with rapid diagnostic test (RDT) plus HBV immune globulin (HBIG) administration to newborns of HBV surface antigen positive women; and (3) universal vaccination with screening of women during antenatal visits plus HBIG administration to newborns of women testing HBV e antigen positive by confirmatory test...
August 9, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28767349/igg-endopeptidase-in-highly-sensitized-patients-undergoing-transplantation
#5
MULTICENTER STUDY
Stanley C Jordan, Tomas Lorant, Jua Choi, Christian Kjellman, Lena Winstedt, Mats Bengtsson, Xiaohai Zhang, Torsten Eich, Mieko Toyoda, Britt-Marie Eriksson, Shili Ge, Alice Peng, Sofia Järnum, Kathryn J Wood, Torbjorn Lundgren, Lars Wennberg, Lars Bäckman, Erik Larsson, Rafael Villicana, Joe Kahwaji, Sabrina Louie, Alexis Kang, Mark Haas, Cynthia Nast, Ashley Vo, Gunnar Tufveson
BACKGROUND: Donor-specific antibodies create an immunologic barrier to transplantation. Current therapies to modify donor-specific antibodies are limited and ineffective in the most highly HLA-sensitized patients. The IgG-degrading enzyme derived from Streptococcus pyogenes (IdeS), an endopeptidase, cleaves human IgG into F(ab')2 and Fc fragments inhibiting complement-dependent cytotoxicity and antibody-dependent cellular cytotoxicity, which suggests that IdeS might be useful for desensitization...
August 3, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28762497/t-cell-dependent-antigen-adjuvanted-with-dotap-cpg-b-but-not-dotap-cpg-a-induces-robust-germinal-center-responses-and-high-affinity-antibodies-in-mice
#6
Munir Akkaya, Billur Akkaya, Patrick W Sheehan, Pietro Miozzo, Mirna Pena, Chen-Feng Qi, Javier Manzella-Lapeira, Silvia Bolland, Susan K Pierce
The development of vaccines for infectious diseases for which we currently have none, including HIV, will likely require the use of adjuvants that strongly promote germinal center responses and somatic hypermutation to produce broadly neutralizing antibodies. Here we compared the outcome of immunization with the T-cell dependent antigen, NP-conjugated to chicken gamma globulin (NP-CGG) adjuvanted with the toll-like receptor 9 (TLR9) ligands, CpG-A or CpG-B, alone or conjugated with the cationic lipid carrier, DOTAP...
August 1, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28744833/evaluation-of-in-vivo-probiotic-efficiency-of-bacillus-amyloliquefaciens-in-labeo-rohita-challenged-by-pathogenic-strain-of-aeromonas-hydrophila-mtcc-1739
#7
Ankita Nandi, Goutam Banerjee, Suhas Kumar Dan, Koushik Ghosh, Arun Kumar Ray
Diseases in aquatic organisms, including fish, are a major concern in aquaculture production. In this present investigation, we have evaluated the beneficial effects of dietary Bacillus amyloliquefaciens CCF7 (GenBank Acc. No. KP256501) supplementation in rohu (Labeo rohita) challenged by a pathogenic strain of Aeromonas hydrophila MTCC 1739. Four experimental diets were formulated: control diet (no probiotics) and three experimental diets (different concentrations of probiotic candidate B. amyloliquefaciens CCF7 at 10(5) (T1), 10(7) (T2), 10(9) (T3) CFU/g)...
July 25, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28742673/practice-bulletin-no-181-prevention-of-rh-d-alloimmunization
#8
(no author information available yet)
Advances in the prevention and treatment of Rh D alloimmunization have been one of the great success stories of modern obstetrics. There is wide variation in prevalence rates of Rh D-negative individuals between regions, for example from 5% in India to 15% in North America (1). However, high birth rates in low prevalence areas means Rh hemolytic disease of the newborn is still an important cause of morbidity and mortality in countries without prophylaxis programs (1). In such countries, 14% of affected fetuses are stillborn and one half of live born infants suffer neonatal death or brain injury (1)...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28742667/practice-bulletin-no-181-summary-prevention-of-rh-d-alloimmunization
#9
(no author information available yet)
Advances in the prevention and treatment of Rh D alloimmunization have been one of the great success stories of modern obstetrics. There is wide variation in prevalence rates of Rh D-negative individuals between regions, for example from 5% in India to 15% in North America (1). However, high birth rates in low prevalence areas means Rh hemolytic disease of the newborn is still an important cause of morbidity and mortality in countries without prophylaxis programs (1). In such countries, 14% of affected fetuses are stillborn and one half of live born infants suffer neonatal death or brain injury (1)...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28729300/rapamycin-is-highly-effective-in-murine-models-of-immune-mediated-bone-marrow-failure
#10
Xingmin Feng, Zenghua Lin, Wanling Sun, Maile K Hollinger, Marie J Desierto, Keyvan Keyvanfar, Daniela Malide, Pawel Muranski, Jichun Chen, Neal S Young
Acquired aplastic anemia, the prototypical bone marrow failure disease, is characterized by pancytopenia and marrow hypoplasia. Most aplastic anemia patients respond to immunosuppressive therapy, usually as anti-thymocyte globulin and cyclosporine, but some relapse on cyclosporine withdrawal or require long-term administration of cyclosporine to maintain blood counts. In the current study, we tested efficacy of rapamycin as a new or alternative treatment in mouse models of immune-mediated bone marrow failure...
July 20, 2017: Haematologica
https://www.readbyqxmd.com/read/28716071/primary-solitary-plasmacytoma-of-the-liver-successful-treatment-with-fractionated-stereotactic-radiotherapy-cyberknife%C3%A2-a-case-report
#11
Thomas Chalopin, Isabelle Barillot, Jean-Paul Biny, Flavie Arbion, Marie Besson, Maria Santiago-Ribeiro, Eric Piver, Olivier Herault, Emmanuel Gyan, Lotfi Benboubker
BACKGROUND: Solitary plasmacytoma of the liver is a very rare and aggressive form of plasma cell dyscrasia. To the best of our knowledge, very few cases have been reported without systemic disease. We reported a rare case of hepatic solitary plasmacytoma that successfully responded to fractionated stereotactic radiotherapy. CASE PRESENTATION: A 64-year-old white French man had monoclonal gammopathy of the immune globulin G lambda type; he developed a cholestasis and cytolysis with the discovery of a subscapular nodule...
July 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28705454/efficacy-of-two-different-doses-of-rabbit-anti-t-lymphocyte-globulin-to-prevent-graft-versus-host-disease-in-children-with-haematological-malignancies-transplanted-from-an-unrelated-donor-a-multicentre-randomised-open-label-phase-3-trial
#12
Franco Locatelli, Maria Ester Bernardo, Alice Bertaina, Carla Rognoni, Patrizia Comoli, Attilio Rovelli, Andrea Pession, Franca Fagioli, Claudio Favre, Edoardo Lanino, Giovanna Giorgiani, Pietro Merli, Daria Pagliara, Arcangelo Prete, Marco Zecca
BACKGROUND: Although rabbit anti-T-lymphocyte globulin (ATLG) is largely used for the prevention of immune-mediated complications in patients given allogeneic haemopoietic stem-cell transplantation (HSCT) from an unrelated donor, the optimum dose of this drug in children is still undefined. We aimed to test whether a higher dose of ATLG was superior to a lower dose for prevention of grade II-IV acute graft-versus-host disease (GVHD). METHODS: We conducted a multicentre, randomised, open-label, phase 3 trial in seven Italian centres comparing two different doses of ATLG (30 mg/kg vs 15 mg/kg, given intravenously over 3 days, from day -4 to -2) in children (aged 0-18 years) with haematological malignancies transplanted from an unrelated donor, selected using high-resolution typing for HLA-class I/II loci...
August 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28693110/potential-effects-of-brevetoxins-and-toxic-elements-on-various-health-variables-in-kemp-s-ridley-lepidochelys-kempii-and-green-chelonia-mydas-sea-turtles-after-a-red-tide-bloom-event
#13
Justin R Perrault, Nicole I Stacy, Andreas F Lehner, Cody R Mott, Sarah Hirsch, Jonathan C Gorham, John P Buchweitz, Michael J Bresette, Catherine J Walsh
Natural biotoxins and anthropogenic toxicants pose a significant risk to sea turtle health. Documented effects of contaminants include potential disease progression and adverse impacts on development, immune function, and survival in these imperiled species. The shallow seagrass habitats of Florida's northwest coast (Big Bend) serve as an important developmental habitat for Kemp's ridley (Lepidochelys kempii) and green (Chelonia mydas) sea turtles; however, few studies have been conducted in this area. Our objectives were (1) to evaluate plasma analytes (mass, minimum straight carapace length, body condition index [BCI], fibropapilloma tumor score, lysozyme, superoxide dismutase, reactive oxygen/nitrogen species, plasma protein electrophoresis, cholesterol, and total solids) in Kemp's ridleys and green turtles and their correlation to brevetoxins that were released from a red tide bloom event from July-October 2014 in the Gulf of Mexico near Florida's Big Bend, and (2) to analyze red blood cells in Kemp's ridleys and green turtles for toxic elements (arsenic, cadmium, lead, mercury, selenium, thallium) with correlation to the measured plasma analytes...
July 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28689435/effect-of-molecular-weight-and-ratio-of-poly-ethylene-glycols-derivatives-in-combination-with-trehalose-on-stability-of-freeze-dried-igg
#14
Amir Hossein Mohammad Zadeh, Abdolhosein Rouholamini Najafabadi, Alireza Vatanara, Homa Faghihi, Kambiz Gilani
The influence of PEG (poly ethylene glycol) at different molecular weights and ratios was studied on the stability of freeze- dried IgG (immune globulin G). PEGs (600 to 4000 Dalton) at concentrations of 0.5 and 5% W/V were applied in the presence of 40 and 60% W/W of trehalose to prepare freeze- dried IgG formulations. Size- exclusion chromatography, Infra- red spectroscopy, Differential scanning calorimetery and Gel electrophoresis were performed to characterize lyophilized samples. Pure IgG demonstrated the highest aggregation of 5...
July 10, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28679960/preexisting-antibodies-can-protect-against-congenital-cytomegalovirus-infection-in-monkeys
#15
Cody S Nelson, Diana Vera Cruz, Dollnovan Tran, Kristy M Bialas, Lisa Stamper, Huali Wu, Margaret Gilbert, Robert Blair, Xavier Alvarez, Hannah Itell, Meng Chen, Ashlesha Deshpande, Flavia Chiuppesi, Felix Wussow, Don J Diamond, Nathan Vandergrift, Mark R Walter, Peter A Barry, Michael Cohen-Wolkowiez, Katia Koelle, Amitinder Kaur, Sallie R Permar
Human cytomegalovirus (HCMV) is the most common congenital infection and a known cause of microcephaly, sensorineural hearing loss, and cognitive impairment among newborns worldwide. Natural maternal HCMV immunity reduces the incidence of congenital infection, but does not prevent the disease altogether. We employed a nonhuman primate model of congenital CMV infection to investigate the ability of preexisting antibodies to protect against placental CMV transmission in the setting of primary maternal infection and subsequent viremia, which is required for placental virus exposure...
July 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28659358/b-cell-extrinsic-myd88-and-fcer1g-negatively-regulate-autoreactive-and-normal-b-cell-immune-responses
#16
Rebecca A Sweet, Kevin M Nickerson, Jaime L Cullen, Yujuan Wang, Mark J Shlomchik
MyD88 and FcR common γ-chain (Fcer1g, FcRγ) elicit proinflammatory responses to exogenous Ags. Deletion of these receptors in autoimmune models has generally led to reduced overall disease. In B cells, Myd88 is required for anti-DNA and anti-RNA autoantibody responses, whereas Fcer1g is not expressed in these cells. The roles of these receptors in myeloid cells during B cell autoimmune activation remain less clear. To investigate the roles of Myd88 and Fcer1g in non-B cells, we transferred anti-self-IgG (rheumatoid factor) B cells and their physiologic target Ag, anti-chromatin Ab, into mice lacking Fcer1g, Myd88, or both and studied the extrafollicular plasmablast response...
August 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28657764/two-cases-of-the-variant-rhd-dau5-allele-associated-with-maternal-alloanti-d
#17
Jennifer A Duncan, Susan Nahirniak, Rodrigo Onell, Gwen Clarke
Rh is a complex blood group system with diverse genotypes that may encode weak and partial D variants. Standard serologic analysis may identify clinically significant D variants as D+; nevertheless, individuals with these D variants should be managed as D- patients to prevent antibody formation to absent D epitopes. Variant identification is necessary during pregnancy to allow for timely and appropriate Rh immune globulin (RhIG) prophylaxis for hemolytic disease of the fetus and newborn (HDFN) as D alloimmunization can occur with some D variants...
June 2017: Immunohematology
https://www.readbyqxmd.com/read/28649876/myasthenia-gravis-induced-by-nivolumab-in-patients-with-non-small-cell-lung-cancer-a-case-report-and-literature-review
#18
Yoshikazu Hasegawa, Shigeru Kawai, Takayo Ota, Hiroshi Tsukuda, Masahiro Fukuoka
A 76-year-old woman who was diagnosed with non-small-cell lung cancer presented with left eyelid ptosis and grade 4 creatine phosphokinase elevation after the second cycle of nivolumab monotherapy. Nivolumab has demonstrated promising efficacy in patients with non-small-cell lung cancer in several trials. Dyspnea and muscle weakness developed rapidly with an acute exacerbation. She underwent plasmapheresis and intravenous immune globulin followed by treatment with low-dose prednisolone. She had gradual symptoms improvement...
June 26, 2017: Immunotherapy
https://www.readbyqxmd.com/read/28648995/when-the-ball-is-in-the-female-s-court-how-the-scramble-competition-mating-system-of-the-north-american-red-squirrel-has-shaped-male-physiology-and-testosterone-dynamics
#19
Rudy Boonstra, Adam Dušek, Jeffrey E Lane, Stan Boutin
Male reproductive success in most mammals is determined by their success in direct inter-male competition through aggression and conflict, resulting in female-defense mating systems being predominant. This is linked to male testosterone levels and its dynamics. However, in certain environments, a scramble-competition mating system has evolved, where female reproductive behavior takes precedence and male testosterone dynamics are unlikely to be related to inter-male competition. We studied the North American red squirrel (Tamiasciurus hudsonicus), a species with a well-established scramble-competition system...
June 23, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28647558/durable-chimerism-and-long-term-survival-after-unrelated-umbilical-cord-blood-transplantation-for-pediatric-hemophagocytic-lymphohistiocytosis-a-single-center-experience
#20
Sachit A Patel, Heather A Allewelt, Jesse D Troy, Paul L Martin, Timothy A Driscoll, Vinod K Prasad, Joanne Kurtzberg, Kristin M Page, Suhag H Parikh
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening disorder of immune dysregulation characterized by fever, hepatosplenomegaly, cytopenias, central nervous system disease, increased inflammatory markers, and hemophagocytosis. Currently, allogeneic hematopoietic stem cell transplantation is the only curative approach for patients with HLH, with reported survival ranging from 50% to 70% with myeloablative conditioning (MAC) regimens. However, donor availability and transplantation-related mortality associated with conventional MAC are major barriers to success...
June 21, 2017: Biology of Blood and Marrow Transplantation
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