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vaccines and autoimmunity

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https://www.readbyqxmd.com/read/28931639/trispecific-broadly-neutralizing-hiv-antibodies-mediate-potent-shiv-protection-in-macaques
#1
Ling Xu, Amarendra Pegu, Ercole Rao, Nicole Doria-Rose, Jochen Beninga, Krisha McKee, Dana M Lord, Ronnie R Wei, Gejing Deng, Mark Louder, Stephen D Schmidt, Zachary Mankoff, Lan Wu, Mangaiarkarasi Asokan, Christian Beil, Christian Lange, Wulf Dirk Leuschner, Jochen Kruip, Rebecca Sendak, Young Do Kwon, Tongqing Zhou, Xuejun Chen, Robert T Bailer, Keyun Wang, Misook Choe, Lawrence J Tartaglia, Dan H Barouch, Sijy O'Dell, John-Paul Todd, Dennis R Burton, Mario Roederer, Mark Connors, Richard A Koup, Peter D Kwong, Zhi-Yong Yang, John R Mascola, Gary J Nabel
The development of an effective AIDS vaccine has been challenging due to viral genetic diversity and the difficulty in generating broadly neutralizing antibodies (bnAbs). Here, we engineered trispecific antibodies (Abs) that allow a single molecule to interact with three independent HIV-1 envelope determinants: 1) the CD4 binding site, 2) the membrane proximal external region (MPER) and 3) the V1V2 glycan site. Trispecific Abs exhibited higher potency and breadth than any previously described single bnAb, showed pharmacokinetics similar to human bnAbs, and conferred complete immunity against a mixture of SHIVs in non-human primates (NHP) in contrast to single bnAbs...
September 20, 2017: Science
https://www.readbyqxmd.com/read/28930529/a-protocol-for-investigating-the-association-of-vaccination-and-anti-nmda-receptor-encephalitis
#2
Hsiuying Wang
Anti-N-methyl-D-aspartate (Anti-NMDA) receptor encephalitis is an acute autoimmune neurological disorder that can be triggered by virus, H1N1/tetanus/diphtheria/pertussis and polio vaccines or by presence of a tumor. The association between anti-NMDA receptor encephalitis and Japanese encephalitis vaccination was examined and a general protocol of phylogenetic method which details the steps and code and an example of its utility is provided. The approach used here is potentially useful for analyzing the relationship between vaccines and diseases...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28919256/metabolic-links-between-plasma-cell-survival-secretion-and-stress
#3
REVIEW
Wing Y Lam, Deepta Bhattacharya
Humoral immunity is generated and maintained by antigen-specific antibodies that counter infectious pathogens. Plasma cells are the major producers of antibodies during and after infections, and each plasma cell produces some thousands of antibody molecules per second. This magnitude of secretion requires enormous quantities of amino acids and glycosylation sugars to properly build and fold antibodies, biosynthetic substrates to fuel endoplasmic reticulum (ER) biogenesis, and additional carbon sources to generate energy...
September 11, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28915908/advances-in-paediatrics-in-2016-current-practices-and-challenges-in-allergy-autoimmune-diseases-cardiology-endocrinology-gastroenterology-infectious-diseases-neonatology-nephrology-neurology-nutrition-pulmonology
#4
REVIEW
Carlo Caffarelli, Francesca Santamaria, Dora Di Mauro, Carla Mastrorilli, Silvia Montella, Sergio Bernasconi
This review reports main progresses in various pediatric issues published in Italian Journal of Pediatrics and in international journals in 2016. New insights in clinical features or complications of several disorders may be useful for our better understanding. They comprise severe asthma, changing features of lupus erythematosus from birth to adolescence, celiac disease, functional gastrointestinal disorders, Moebius syndrome, recurrent pneumonia. Risk factors for congenital heart defects, Kawasaki disease have been widely investigated...
September 16, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28906131/effects-of-immunomodulators-on-the-response-induced-by-vaccines-against-autoimmune-diseases
#5
Dante J Marciani
A promising treatment for T-cell-mediated autoimmune diseases is the induction of immune tolerance by modulating the immune response against self-antigens, an objective that may be achieved by vaccination. There are two main types of vaccines currently under development. The tolerogenic vaccines, composed of proteins formed by a cytokine fused to a self-antigen, which usually induce tolerance by eliminating the T-cells that are immune reactive against the self-antigen. The immunogenic vaccines, comprised of a self-antigen plus a sole Th2 adjuvant either free or conjugated, that alleviate autoimmunity by switching the immune response against the self-antigen, from a damaging pro-inflammatory Th1/Th17 to an anti-inflammatory Th2 immunity...
September 14, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28904568/pediatric-autoimmune-encephalitis
#6
REVIEW
Massimo Barbagallo, Giovanna Vitaliti, Piero Pavone, Catia Romano, Riccardo Lubrano, Raffaele Falsaperla
Autoimmune (antibody mediated) encephalitis (AE) is emerging as a more common cause of pediatric encephalopathy than previously thought. The autoimmune process may be triggered by an infection, vaccine, or occult neoplasm. In the latter case, onconeural autoantibodies are directed against intracellular neuronal antigens, but a recent heterogeneous group of encephalitic syndromes has been found not to have underlying tumor but is associated with autoantibodies to the neuronal surface or synaptic antigens. Neuropsychiatric symptoms are very common in autoimmune encephalopathy; as a result, affected children may be initially present to psychiatrists...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28900354/knowledge-attitudes-beliefs-and-practices-of-occupational-physicians-towards-seasonal-influenza-vaccination-a-cross-sectional-study-from-north-eastern-italy
#7
REVIEW
M Riccò, S Cattani, F Casagranda, G Gualerzi, C Signorelli
INTRODUCTION: The present study aims to characterize personal attitudes and knowledge of a sample of Italian Occupational Physicians (OPh) towards Seasonal Influenza Vaccine (SIV) in healthcare workers (HCWs). METHODS: In total, 92 OPh (42.4% males, 57.6% females, mean age of 47.3 ± 10.4 years, 50 specialists in Occupational Medicine, 42 specialists in Hygiene and Public Health) were asked about their attitudes towards influenza vaccine, their general knowledge of vaccine practice, their propensity towards vaccines and, eventually, their risk perception about the influenza and influenza vaccine was investigated...
June 2017: Journal of Preventive Medicine and Hygiene
https://www.readbyqxmd.com/read/28888842/evidence-refuting-the-existence-of-autoimmune-autoinflammatory-syndrome-induced%C3%A2-by-adjuvants-asia
#8
Rohan Ameratunga, David Gillis, Michael Gold, Allan Linneberg, J Mark Elwood
Autoimmune/autoinflammatory syndrome induced by adjuvants (ASIA) was described in 2011. Over time the condition and its triggers have broadened to include several autoimmune disorders, the macrophagic myofasciitis syndrome, the Gulf war syndrome, the sick building syndrome, siliconosis, and the chronic fatigue syndrome. The aluminum-containing adjuvants in the hepatitis B vaccine and the human papillomavirus vaccine in particular have been stated to be the major causes of the disorder. Here, we review the specificity of the diagnostic criteria for ASIA...
September 6, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28882443/debate-on-vaccines-and-autoimmunity-do-not-attack-the-author-yet-discuss-it-methodologically
#9
Nicola Luigi Bragazzi, Abdulla Watad, Howard Amital, Yehuda Shoenfeld
Since Jenner, vaccines and vaccinations have stirred a hot, highly polarized debate, leading to contrasting positions and feelings, ranging from acritical enthusiasm to blind denial. On the one hand, we find anti-vaccination movements which divulge and disseminate misleading information, myths, prejudices, and even frauds, with the main aim of denying that vaccination practices represent a major public health measure, being effective in controlling infectious diseases and safeguarding the wellbeing of entire communities...
September 4, 2017: Vaccine
https://www.readbyqxmd.com/read/28874322/prevaccination-epidemiology-of-herpes-zoster-in-denmark-quantification-of-occurrence-and-risk-factors
#10
Sigrun A J Schmidt, Mogens Vestergaard, Lisbeth M Baggesen, Lars Pedersen, Henrik C Schønheyder, Henrik T Sørensen
BACKGROUND: Herpes zoster (HZ) is a vaccine-preventable disease caused by reactivation of the varicella-zoster virus. Unfortunately, formulation of recommendations on routine immunization is hampered by a lack of data on disease burden, since most countries do not record cases of HZ in the general population. We developed and validated an algorithm to identify HZ based on routinely collected registry data and used it to quantify HZ occurrence and risk factors in Denmark prior to marketing of the HZ vaccine...
September 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28868890/autoimmunity-autonomic-neuropathy-and-the-hpv-vaccination-a-vulnerable-subpopulation
#11
Jill R Schofield, Jeanne E Hendrickson
No abstract text is available yet for this article.
September 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28868142/recent-advances-in-understanding-and-treating-chronic-granulomatous-disease
#12
REVIEW
Andrew Gennery
A number of recent advances have been made in the epidemiology and treatment of chronic granulomatous disease. Several reports from developing regions describe the presentations and progress of local populations, highlighting complications due to Bacillus Calmette-Guérin vaccination. A number of new reports describe complications of chronic granulomatous disease in adult patients, as more survivors reach adulthood. The complications experienced by X-linked carriers are particularly highlighted in three new reports, confirming that infection and inflammatory or autoimmune conditions are more common and severe than previously recognised...
2017: F1000Research
https://www.readbyqxmd.com/read/28866779/live-attenuated-enterovirus-vaccine-opv-is-not-associated-with-islet-autoimmunity-in-children-with-genetic-susceptibility-to-type-1-diabetes-prospective-cohort-study
#13
Hanna Viskari, Sami Oikarinen, Sanna Hoppu, Tytti Vuorinen, Heini Huhtala, Jorma Toppari, Riitta Veijola, Jorma Ilonen, Mikael Knip, Heikki Hyöty
AIMS/HYPOTHESIS: Animal and human studies have implied that enterovirus infections may modulate the risk of islet autoimmunity and type 1 diabetes. We set out to assess whether serial administration of live oral poliovirus vaccine (OPV) in early life can influence the initiation of islet autoimmunity in a cohort of genetically predisposed children. METHODS: OPV was administered to 64 children and a further 251 children received inactivated poliovirus vaccine (IPV)...
September 2, 2017: Diabetologia
https://www.readbyqxmd.com/read/28862177/effect-of-disease-modifying-antirheumatic-drug-therapy-on-immune-response-to-trivalent-influenza-vaccine-in-rheumatoid-arthritis
#14
Vikramraj K Jain, Nandhini Bhashini, L Karthik Balajee, Sujatha Sistla, Subhash Chandra Parija, Vir Singh Negi
BACKGROUND & OBJECTIVES: Patients with autoimmune rheumatic diseases may be at an increased risk of infection due to disease and use of disease-modifying antirheumatic drug (DMARD) therapy. The present study was done to evaluate the immune response to influenza vaccination in patients with rheumatoid arthritis (RA). METHODS: Fifty one RA patients on stable methotrexate (MTX) therapy (≥15 mg/wk), 51 newly diagnosed DMARD-naïve RA patients and 45 healthy controls received a single dose of inactivated seasonal trivalent influenza vaccine...
April 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28852481/infectious-complications-of-rituximab-therapy-in-renal-disease
#15
Andrew Nixon, Leanne Ogden, Alexander Woywodt, Ajay Dhaygude
Rituximab, an anti-CD20 monoclonal antibody, was originally used to treat B-cell malignancies. Its use has significantly increased in recent years, as it is now also used to treat a variety of autoimmune diseases including rheumatoid arthritis and ANCA-associated vasculitis (AAV). Initial studies suggested that the adverse effects of rituximab were minimal. Though the risk of malignancy with rituximab-based immunosuppressive regimens appears similar to that of the general population, there are now concerns regarding the risk of infectious complications...
August 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28846502/rare-high-affinity-anti-pathogen-antibodies-from-human-repertoires-discovered-using-microfluidics-and-molecular-genomics
#16
Adam S Adler, Rena A Mizrahi, Matthew J Spindler, Matthew S Adams, Michael A Asensio, Robert C Edgar, Jackson Leong, Renee Leong, Lucy Roalfe, Rebecca White, David Goldblatt, David S Johnson
Affinity-matured, functional anti-pathogen antibodies are present at low frequencies in natural human repertoires. These antibodies are often excellent candidates for therapeutic monoclonal antibodies. However, mining natural human antibody repertoires is a challenge. In this study, we demonstrate a new method that uses microfluidics, yeast display, and deep sequencing to identify 247 natively paired anti-pathogen single-chain variable fragments (scFvs), which were initially as rare as 1 in 100,000 in the human repertoires...
August 28, 2017: MAbs
https://www.readbyqxmd.com/read/28843039/tnf-tnf-inducers-and-tnfr2-agonists-a-new-path-to-type-1-diabetes-treatment
#17
REVIEW
Denise L Faustman
BACKGROUND: In the past decade, interest in the century-old tuberculosis vaccine, bacillus Calmette-Guerin (BCG), has been revived for potential new therapeutic uses in type 1 diabetes and other forms of autoimmunity. METHODS: Diverse clinical trials are now proving the value of BCG in prevention and treatment of type 1 diabetes, in the treatment of new onset multiple sclerosis and other immune conditions. BCG contains the avirulent tuberculosis strain Mycobacterium bovis, a vaccine originally developed for tuberculosis prevention...
August 26, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28840564/human-leukemia-antigen-a-0201-restricted-epitopes-of-human-endogenous-retrovirus-w-family-envelope-herv-w-env-induce-strong-cytotoxic-t-lymphocyte-responses
#18
Xiaoning Tu, Shan Li, Lijuan Zhao, Ran Xiao, Xiuling Wang, Fan Zhu
Human endogenous retrovirus W family (HERV-W) envelope (env) has been reported to be related to several human diseases, including autoimmune disorders, and it could activate innate immunity. However, there are no reports investigating whether human leukemia antigen (HLA)-A*0201(+) restriction is involved in the immune response caused by HERV-W env in neuropsychiatric diseases. In the present study, HERV-W env-derived epitopes presented by HLA-A*0201 are described with the potential for use in adoptive immunotherapy...
August 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28829438/an-atlas-of-b-cell-clonal-distribution-in-the-human-body
#19
Wenzhao Meng, Bochao Zhang, Gregory W Schwartz, Aaron M Rosenfeld, Daqiu Ren, Joseph J C Thome, Dustin J Carpenter, Nobuhide Matsuoka, Harvey Lerner, Amy L Friedman, Tomer Granot, Donna L Farber, Mark J Shlomchik, Uri Hershberg, Eline T Luning Prak
B-cell responses result in clonal expansion, and can occur in a variety of tissues. To define how B-cell clones are distributed in the body, we sequenced 933,427 B-cell clonal lineages and mapped them to eight different anatomic compartments in six human organ donors. We show that large B-cell clones partition into two broad networks-one spans the blood, bone marrow, spleen and lung, while the other is restricted to tissues within the gastrointestinal (GI) tract (jejunum, ileum and colon). Notably, GI tract clones display extensive sharing of sequence variants among different portions of the tract and have higher frequencies of somatic hypermutation, suggesting extensive and serial rounds of clonal expansion and selection...
September 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28829241/construction-and-immunogenicity-analysis-of-whole-gene-mutation-dna-vaccine-of-aleutian-mink-virus-isolated-virulent-strain
#20
Dongxu Liu, Jianming Li, Kun Shi, Fanli Zeng, Ying Zong, Xue Leng, Huijun Lu, Rui Du
Aleutian mink disease (AD) is a chronic viral infection that causes autoimmune disorders in minks and presents a significant economic burden on mink farming. Despite the substantial challenges presented by AD, no effective vaccine is available and only partial protection has been achieved. We constructed a whole-gene nucleic acid vaccine from an isolated virulent Aleutian mink disease virus (ADV) strain (pcDNA3.1-ADV). Based on this whole-gene nucleic acid vaccine, we generated truncated mutant constructs by removing portions of the ADV VP2 gene using overlap extension polymerase chain reaction...
August 22, 2017: Viral Immunology
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