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https://www.readbyqxmd.com/read/28806188/tubulointerstitial-nephritis-and-uveitis
#1
Kaivon Pakzad-Vaezi, Kathryn L Pepple
PURPOSE OF REVIEW: Tubulointerstitial nephritis and uveitis (TINU) is an important yet underrecognized ocular inflammatory syndrome. This review summarizes key historical publications that identified and defined the syndrome, and more recent literature that reveal the importance of urinary β2-microglobulin testing and kidney biopsy in the diagnostic evaluation of patients with TINU. Additionally, research studies providing new insights into disease pathogenesis are highlighted. RECENT FINDINGS: In contrast with initial reports of TINU manifesting exclusively as an anterior uveitis in pediatric patients, more recent reports have identified TINU in patients of all ages with a wide range of ocular manifestations...
August 12, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28804726/low-dose-of-lipopolysaccharide-pretreatment-preventing-subsequent-endotoxin-induced-uveitis-is-associated-with-pi3k-akt-pathway
#2
Nan Zhang, Shuo Yu, Xinli Liu, Hong Lu
PURPOSE: To explore the effects of LPS pretreatment on endotoxin-induced uveitis and PI3K/AKT pathway. METHODS: Endotoxin-induced uveitis was induced by a single subcutaneous injection of 200 μg LPS. For the endotoxin tolerance group, induction of EIU was preceded by daily subcutaneous injection of 0.1 mg/kg LPS for five days. Clinical scores were graded at 24 h after EIU under a slit lamp microscope. HE stain was performed to observe the histopathology. Aqueous humor TNF-α concentration was quantified with enzyme-linked immunosorbent assay...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28803980/humoral-immune-response-of-galleria-mellonella-after-repeated-infection-with-bacillus-thuringiensis
#3
Paulina Taszłow, Lidiia Vertyporokh, Iwona Wojda
The insect immune system relies on innate mechanisms only. However, there is an increasing number of data reporting that previous immune challenge with microbial elicitors or a low number of microorganisms can modulate susceptibility after subsequent lethal infection with the same or different pathogen. This phenomenon is called immune priming. Its biochemical and molecular mechanisms remain unravelled. Here we present that Galleria mellonella larvae that survived infection induced by intrahemocelic injection of a low dose of Bacillus thuringiensis were more resistant to re-injection of a lethal dose of the same bacteria but not with other bacteria and fungi tested...
August 10, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28803862/recombinant-lcmv-vectors-induce-protective-immunity-following-homologous-and-heterologous-vaccinations
#4
Jessica Wingerath, Dmitrij Ostroumov, Norman Woller, Michael P Manns, Daniel D Pinschewer, Klaus Orlinger, Ursula Berka, Florian Kühnel, Thomas C Wirth
Successful vaccination against cancer and infectious diseases relies on the induction of adaptive immune responses that induce high-titer antibodies or potent cytoxic T cell responses. In contrast to humoral vaccines, the amplification of cellular immune responses is often hampered by anti-vector immunity that either pre-exists or develops after repeated homologous vaccination. Replication-defective lymphocytic choriomeningitis virus (LCMV) vectors represent a novel generation of vaccination vectors that induce potent immune responses while escaping recognition by neutralizing antibodies...
July 20, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28803793/schistosomiasis-from-a-snail-s-perspective-advances-in-snail-immunity
#5
REVIEW
Emmanuel A Pila, Hongyu Li, Jacob R Hambrook, Xinzhong Wu, Patrick C Hanington
The snail's immune response is an important determinant of schistosome infection success, acting in concert with host, parasite, and environmental factors. Coordinated by haemocytes and humoral factors, it possesses immunological hallmarks such as pattern recognition receptors, and predicted gastropod-unique factors like the immunoglobulin superfamily domain-containing fibrinogen-related proteins. Investigations into mechanisms that underpin snail-schistosome compatibility have advanced quickly, contributing functional insight to many observational studies...
August 11, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28803590/differential-protein-analysis-of-serum-exosomes-post-intravenous-immunoglobulin-therapy-in-patients-with-kawasaki-disease
#6
Li Zhang, Qi-Fang Song, Jing-Jie Jin, Ping Huang, Zhou-Ping Wang, Xiao-Fei Xie, Xiao-Qiong Gu, Xue-Juan Gao, Hong-Ling Jia
BACKGROUND: Kawasaki disease, which is characterised by systemic vasculitides accompanied by acute fever, is regularly treated by intravenous immunoglobulin to avoid lesion formation in the coronary artery; however, the mechanism of intravenous immunoglobulin therapy is unclear. Hence, we aimed to analyse the global expression profile of serum exosomal proteins before and after administering intravenous immunoglobulin. METHODS: Two-dimensional electrophoresis coupled with mass spectrometry analysis was used to identify the differentially expressed proteome of serum exosomes in patients with Kawasaki disease before and after intravenous immunoglobulin therapy...
August 14, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28803529/the-role-of-the-amygdala-in-incongruity-resolution-the-case-of-humor-comprehension
#7
Tagiru Nakamura, Tomoko Matsui, Akira Utsumi, Mika Yamazaki, Kai Makita, Tokiko Harada, Hiroki C Tanabe, Norihiro Sadato
A dominant theory of humor comprehension suggests that people understand humor by first perceiving some incongruity in an expression and then resolving it. This is called "the incongruity-resolution theory." Experimental studies have investigated the neural basis of humor comprehension, and multiple neural substrates have been proposed; however, the specific substrate for incongruity resolution is still unknown. The reason may be that the resolution phase, despite its importance in humor comprehension, has not been successfully distinguished from the perception phase because both phases occur almost simultaneously...
August 14, 2017: Social Neuroscience
https://www.readbyqxmd.com/read/28803259/opportunities-and-challenges-in-the-immunological-therapy-of-pediatric-malignancy-a-concise-snapshot
#8
REVIEW
Francesco Ceppi, Maja Beck-Popovic, Jean-Pierre Bourquin, Raffaele Renella
Over the last 50 years, collaborative clinical trials have reduced the number of children dying from pediatric cancer significantly. Unfortunately, certain tumor types have remained resistant to conventional surgical, radiotherapy and chemotherapy combinations, and relapsing and/or refractory disease remains associated with dismal outcomes. Recently, renewed attention has been given to the role for immunotherapies in pediatric oncology. In fact, these combine several attractive features, including (but possibly not limited to) the specificity for cancer cells, potentially in vivo persistence and longevity, and potency against refractory disease...
August 12, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28802841/effects-of-symbiotic-status-on-cellular-immunity-dynamics-in-sitophilus-oryzae
#9
Sergio López-Madrigal, Justin Maire, Séverine Balmand, Anna Zaidman-Rémy, Abdelaziz Heddi
Many insects maintain intracellular symbiosis with mutualistic bacteria that improve their adaptive capabilities in nutritionally poor habitats. Adaptation of insect immune systems to such associations has been shown in several symbiotic consortia, including that of the rice weevil Sitophilus oryzae with the gammaproteobacterium Sodalis pierantonius. Although authors have mostly focused on the role of humoral immunity in host-symbiont interactions, recent studies suggest that symbiotic bacteria may also interfere with the cellular, hemocyte-based, immunity...
August 9, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28802755/pneumococcal-conjugate-vaccination-response-in-patients-after-community-acquired-pneumonia-differences-in-patients-with-s-pneumoniae-versus-other-pathogens
#10
G H J Wagenvoort, B J M Vlaminckx, D A van Kessel, R C L Geever, B A W de Jong, J C Grutters, W J W Bos, B Meek, G T Rijkers
OBJECTIVES: The goal of this study is to investigate the immune response to the 13-valent pneumococcal conjugate vaccine (PCV13) in former pneumococcal CAP patients. We hypothesize that an impaired or suboptimal humoral immune response against (specific) pneumococcal serotypes might explain the vulnerability for pneumococcal disease. METHODS: Hospitalised adult CAP patients who participated in two trials (2004-2006 (n=201) and, 2007-2009 (n=304)) were screened. Patients eligible for inclusion had CAP caused by either S...
August 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28802752/in-vitro-and-in-vivo-studies-of-deglycosylated-chimeric-porcine-reproductive-and-respiratory-syndrome-virus-as-a-vaccine-candidate-and-its-realistic-revenue-impact-at-commercial-pig-production-level
#11
Jung-Ju Kim, Jung-Ah Lee, Hwi-Yeon Choi, Jang-Hyuck Han, Won Huh, Jae-Ho Pi, Jung-Keun Lee, Sangshin Park, Ki-Hyun Cho, Joong-Bok Lee
Porcine reproductive and respiratory syndrome virus (PRRSV) causes major economic losses in the swine industry worldwide. Vaccination is the most effective method to control the disease. In a previous study, a chimeric PRRSV named as K418 which had a genome composed of ORF 1 from the FL12 strain and ORF 2-7 from the Korean representative LMY strain was created. We constructed K418DM, K418 with deglycosylated glycoprotein 5 (GP5), to improve its humoral immunity. In the follow-up on in vivo and in vitro virological and serological tests, no back mutation in amino acids of GP5 associated with deglycosylation was shown after 9 passages on MARC-145 cells, whereas only one case of back mutation was detected after single passage in pig...
August 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28802641/enhanced-effects-of-dna-vaccine-against-botulinum-neurotoxin-serotype-a-by-targeting-antigen-to-dendritic-cells
#12
Bo-Yang Chen, Guo Zhou, Qing-Li Li, Jian-Sheng Lu, Dan-Yang Shi, Xiao-Bin Pang, Xiao-Wei Zhou, Yun-Zhou Yu, Pei-Tang Huang
As dendritic cells (DCs) play a critical role in priming antigen-specific immune responses, the efficacy of DNA vaccines may be enhanced by targeting the encoded antigen proteins to DCs. In this study, we constructed a DC-targeted DNA vaccine encoding the Hc domain of botulinum neurotoxin serotype A (AHc) fused with scDEC, a single-chain Fv antibody (scFv) specific for the DC-restricted antigen-uptake receptor DEC205. Intramuscular injections of mice with the DC-targeted DNA vaccine (pVAX1-scDEC-AHc) stimulated more DCs to mature than the non-targeted DNA vaccine (pVAX1-SAHc) in the splenocytes...
August 9, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28802306/ilsi-southeast-asia-region-conference-proceedings-the-gut-its-microbes-and-health-relevance-for-asia
#13
Yuan Kun Lee, Patricia Conway, Sven Pettersson, G Balakrish Nair, Ingrid Surono, Yusra Egayanti, Maria Sofia Amarra
BACKGROUND AND OBJECTIVES: The human being is a complex entity, involving interaction between microbes and the human host. Evidence shows that the nutritional value of food is influenced in part by the structure and operations of an individual's gut microbial community, and food in turn shapes the individual's microbiome. A conference was held to promote understanding of the intestinal microbiome and its implications for health and disease, particularly among Asian populations. METHODS AND STUDY DESIGN: Papers describing 1) the intestinal ecosystem in Asian populations, 2) changes in intestinal microbiota through life and its effects, 3) the Asian gut microbiota in disease conditions, 4) indigenous probiotics to maintain a healthy gut microbiota, 5) probiotic regulation in an Asian country, and 6) the results of a panel discussion are included in this report...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28802258/human-blood-tfr-cells-are-indicators-of-ongoing-humoral-activity-not-fully-licensed-with-suppressive-function
#14
Valter R Fonseca, Ana Agua-Doce, Ana Raquel Maceiras, Wim Pierson, Filipa Ribeiro, Vasco C Romão, Ana Rita Pires, Susana Lopes da Silva, João Eurico Fonseca, Ana E Sousa, Michelle A Linterman, Luis Graca
Germinal center (GC) responses are controlled by T follicular helper (Tfh) and T follicular regulatory (Tfr) cells and are crucial for the generation of high-affinity antibodies. Although the biology of human circulating and tissue Tfh cells has been established, the relationship between blood and tissue Tfr cells defined as CXCR5(+)Foxp3(+) T cells remains elusive. We found that blood Tfr cells are increased in Sjögren syndrome, an autoimmune disease with ongoing GC reactions, especially in patients with high autoantibody titers, as well as in healthy individuals upon influenza vaccination...
August 11, 2017: Science Immunology
https://www.readbyqxmd.com/read/28802204/humanized-mouse-models-to-study-human-cell-mediated-and-humoral-responses-to-dengue-virus
#15
REVIEW
Anuja Mathew
Several candidate dengue virus vaccines are in clinical trials and show promise as an effective measure to control dengue. However, it is becoming clear that additional vaccine candidates may be needed as there is concern about the durability of the immune response to all four serotypes of vaccine components and efficacy varies dependent on the immune status of the individual. The lack of an appropriate animal model to mimic human dengue has deterred the development of vaccines and anti-viral therapies to dengue virus...
August 9, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28800647/effects-of-vitrectomy-and-lensectomy-on-older-rhesus-macaques-oxygen-distribution-antioxidant-status-and-aqueous-humor-dynamics
#16
Carla J Siegfried, Ying-Bo Shui, Baohe Tian, T Michael Nork, Gregg A Heatley, Paul L Kaufman
Purpose: The purpose of this study is to evaluate effects of vitrectomy (PPV) and lens extraction with intraocular lens implantation (PE/IOL) on molecular oxygen (pO2) distribution, aqueous humor antioxidant-oxidant balance, aqueous humor dynamics, and histopathologic changes in the trabecular meshwork (TM) in the older macaque monkey. Methods: Six rhesus monkeys underwent PPV followed by PE/IOL. pO2, outflow facility, and intraocular pressure (IOP) were measured...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28800629/protective-effects-on-the-retina-after-ranibizumab-treatment-in-an-ischemia-model
#17
Stephanie C Joachim, Marina Renner, Jacqueline Reinhard, Carsten Theiss, Caroline May, Stephanie Lohmann, Sabrina Reinehr, Gesa Stute, Andreas Faissner, Katrin Marcus, H Burkhard Dick
Retinal ischemia is common in eye disorders, like diabetic retinopathy or retinal vascular occlusion. The goal of this study was to evaluate the potential protective effects of an intravitreally injected vascular endothelial growth factor (VEGF) inhibitor (ranibizumab) on retinal cells in an ischemia animal model via immunohistochemistry (IF) and quantitative real-time PCR (PCR). A positive binding of ranibizumab to rat VEGF-A was confirmed via dot blot. One eye underwent ischemia and a subgroup received ranibizumab...
2017: PloS One
https://www.readbyqxmd.com/read/28800119/new-insights-contributing-to-the-development-of-effective-vaccines-and-therapies-to-reduce-the-pathology-caused-by-hrsv
#18
REVIEW
Nicolás M S Gálvez, Jorge A Soto, Alexis M Kalergis
Human Respiratory Syncytial Virus (hRSV) is one of the major causes of acute lower respiratory tract infections (ALRTI) worldwide, leading to significant levels of immunocompromisation as well as morbidity and mortality in infants. Its main target of infection is the ciliated epithelium of the lungs and the host immune responses elicited is ineffective at achieving viral clearance. It is thought that the lack of effective immunity against hRSV is due in part to the activity of several viral proteins that modulate the host immune response, enhancing a Th2-like pro-inflammatory state, with the secretion of cytokines that promote the infiltration of immune cells to the lungs, with consequent damage...
August 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28799590/potentiating-the-immune-response-of-muc1-based-antitumor-vaccines-using-a-peptide-based-nanovector-as-a-promising-vaccine-adjuvant
#19
Yonghui Liu, Youzhi Wang, Fan Yu, Zhenqing Zhang, Zhimou Yang, Wenpeng Zhang, Peng George Wang, Wei Zhao
We utilize the supramolecular self-assembling peptide of Nap-G(D)F(D)F(D)Y(D)K to construct chemically programmed, self-assembling and self-adjuvant MUC1-based antitumor vaccines. The vaccines, with antigen and adjuvant conjugation through covalent bonds, elicited both humoral and cellular immune responses.
August 11, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28797085/comparison-of-cytokine-profiles-in-the-aqueous-humor-of-eyes-with-pseudoexfoliation-syndrome-and-glaucoma
#20
Justus G Garweg, Souska Zandi, Isabel B Pfister, Magdalena Skowronska, Christin Gerhardt
PURPOSE: To compare the cyto- and chemokine profiles in the aqueous humor of PEXS eyes in the absence or presence of secondary glaucoma with or without luxation of the intraocular lens (IOL). METHODS: Samples of aqueous humor were collected intraoperatively from 20 healthy controls and from 73 eyes with PEX-syndrome, which was manifested in the absence of any other local or systemic desease. The latter group was sub-devided into eyes with an early form of PEX-syndrome in the absence of complications (PEX, n = 33), those with a late form of PEX-syndrome and glaucoma (PEXG, n = 30), and those with a late form of PEX-syndrome with luxation of the IOL that required surgery (PEXL, n = 10)...
2017: PloS One
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