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https://www.readbyqxmd.com/read/29146891/heart-transplantation-and-risk-of-cardiac-vasculopathy-development-what-factors-are-important
#1
Małgorzata Sobieszczańska-Małek, Jerzy Korewicki, Krzysztof Komuda, Małgorzata Karczmarz, Sylwia Szymańska, Alicja Cicha-Mikołajczyk, Paweł Bekta, Adam Parulski, Maciej Pronicki, Wiesława Grajkowska, Grzegorz Małek, Przemysław Leszek, Maria Kaczorowska, Mariusz Kuśmierczyk, Tomasz Zieliński
BACKGROUND The aim of this study was to find the main risk factors for development of cardiac allograft vasculopathy (CAV), especially factors identified before the surgical procedure and factors related to the recipient profile and the medical history of the donor. MATERIAL AND METHODS There were 147 patients who had heart transplantation (HT) included in this study: mean age was 45.8±15.3 years. All study patients had coronary angiography after HT. Analyzed risk factors were: non-immunologic recipient risk factors (age of transplantation, smoking, hypertension, lipids, diabetes, obesity and weight gain after HT), immunologic recipient risk factors (acute cellular rejection (ACR), acute humoral rejection (AMR), cytomegalovirus (CMV) episodes), and donor-related risk factors (age, sex, catecholamine usage, ischemic time, compatibility of sex and blood groups, cause of death, cardiac arrest)...
November 17, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29146454/beyond-immunity-the-imd-pathway-as-a-coordinator-of-host-defense-organismal-physiology-and-behavior
#2
Zongzhao Zhai, Xiaoshan Huang, Yulong Yin
The humoral arm of host defense in Drosophila relies on two evolutionarily conserved NFκB signaling cascades, the Toll and the immune deficiency (Imd) pathways. The Imd signaling pathway senses and neutralizes Gram-negative bacteria. Its activity is tightly adjusted, allowing the host to simultaneously prevent infection by pathogenic bacteria and tolerate beneficial gut microbiota. Over-activation of Imd signaling is detrimental at least in part by causing gut dysbiosis that further exacerbates intestinal pathologies...
November 13, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29146446/hericium-caput-medusae-bull-fr-pers-polysaccharide-enhance-innate-immune-response-immune-related-genes-expression-and-disease-resistance-against-aeromonas-hydrophila-in-grass-carp-ctenopharyngodon-idella
#3
Changlong Gou, Jiazhen Wang, Yuqiong Wang, Wenlong Dong, Xiaofeng Shan, Yujie Lou, Yunhang Gao
The objective was to add 0, 400, 800 or 1200 mg/kg of Hericium caput-medusae polysaccharide (HCMP) to the basal diet of grass carp (Ctenopharyngodon idella) and determine effects on humoral innate immunity, expression of immune-related genes and disease resistance. Adding HCMP enhanced (P < 0.05) bactericidal activity at 1, 2 and 3 weeks and also lysozyme activity, complement C3, and SOD activity at 2 and 3 weeks. Supplementing 800 or 1200 mg/kg of HCMP for 2 or 3 weeks increased (P < 0.05) serum concentrations of total protein, albumin and globulin...
November 13, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29145521/characterization-of-rubella-specific-humoral-immunity-following-two-doses-of-mmr-vaccine-using-proteome-microarray-technology
#4
Iana H Haralambieva, Michael J Gibson, Richard B Kennedy, Inna G Ovsyannikova, Nathaniel D Warner, Diane E Grill, Gregory A Poland
INTRODUCTION//BACKGROUND: The lack of standardization of the currently used commercial anti-rubella IgG antibody assays leads to frequent misinterpretation of results for samples with low/equivocal antibody concentration. The use of alternative approaches in rubella serology could add new information leading to a fuller understanding of rubella protective immunity and neutralizing antibody response after vaccination. METHODS: We applied microarray technology to measure antibodies to all rubella virus proteins in 75 high and 75 low rubella virus-specific antibody responders after two MMR vaccine doses...
2017: PloS One
https://www.readbyqxmd.com/read/29143488/isolation-and-characterization-of-novel-goose-parvovirus-related-virus-reveal-the-evolution-of-waterfowl-parvovirus
#5
P Li, S Lin, R Zhang, J Chen, D Sun, J Lan, S Song, Z Xie, S Jiang
Short beak and dwarfism syndrome (SBDS) has been constantly breaking out in China since 2015. It is caused by a novel goose parvovirus-related virus (NGPV) and can severely restrict the growth of ducks. In this study, seven NGPV stains were isolated from different regions in China between 2015 and 2016. To better understand the correlation between NGPV and goose parvovirus (GPV), we conducted complete genome sequencing and a comprehensive analysis of the NGPV genome. The phylogenetic and alignment analysis showed that NGPV is a branch of GPV, sharing 92...
November 16, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29142122/adaptive-immune-responses-following-senecavirus-a-infection-in-pigs
#6
Mayara F Maggioli, Steve Lawson, Marcelo de Lima, Lok R Joshi, Tatiane C Faccin, Fernando V Bauermann, Diego G Diel
Senecavirus A (SVA), an emerging picornavirus of swine, causes vesicular disease (VD) that is clinically indistinguishable from foot-and-mouth disease (FMD) in pigs. Many aspects of SVA interactions with the host and the host immune responses to infection, however, remain unknown. In the present study, humoral and cellular immune responses to SVA were evaluated following infection in pigs. We show that SVA infection elicited an early and robust neutralizing antibody (NA) response, which coincided with and was strongly correlated with VP2- and VP3-specific IgM responses...
November 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29141870/ig%C3%AE-ubiquitination-activates-pi3k-signals-required-for-endosomal-sorting
#7
Margaret Veselits, Azusa Tanaka, Yaoqing Chen, Keith Hamel, Malay Mandal, Matheswaran Kandasamy, Balaji Manicassamy, Shannon K O'Neill, Patrick Wilson, Roger Sciammas, Marcus R Clark
A wealth of in vitro data has demonstrated a central role for receptor ubiquitination in endocytic sorting. However, how receptor ubiquitination functions in vivo is poorly understood. Herein, we report that ablation of B cell antigen receptor ubiquitination in vivo uncouples the receptor from CD19 phosphorylation and phosphatidylinositol 3-kinase (PI3K) signals. These signals are necessary and sufficient for accumulating phosphatidylinositol (3,4,5)-trisphosphate (PIP3) on B cell receptor-containing early endosomes and proper sorting into the MHC class II antigen-presenting compartment (MIIC)...
November 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29141474/assessment-of-immunotoxicity-in-female-fischer-344-n-and-sprague-dawley-rats-and-female-b6c3f1-mice-exposed-to-hexavalent-chromium-via-the-drinking-water
#8
Kelly A Shipkowski, Christopher M Sheth, Matthew J Smith, Michelle J Hooth, Kimber L White, Dori R Germolec
Sodium dichromate dihydrate (SDD), an inorganic compound containing hexavalent chromium (Cr(VI)), is a common environmental contaminant of groundwater sources due to widespread industrial use. There are indications in the literature that Cr(VI) may induce immunotoxic effects following dermal exposure, including acting as both an irritant and a sensitizer; however, the potential immunomodulatory effects of Cr(VI) following oral exposure are relatively unknown. Following the detection of Cr(VI) in drinking water sources, the National Toxicology Program (NTP) conducted extensive evaluations of the toxicity and carcinogenicity of SDD following drinking water exposure, including studies to assess the potential for Cr(VI) to modulate immune function...
December 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/29141392/-the-progress-of-studies-on-aqueous-humor-dynamics-abnormality-induced-by-trabecular-meshwork-and-schlemm-canal-endothelial-cell-senescence-and-its-relation-with-glaucoma
#9
M M Song, Y Lei, J H Wu, X H Sun
Glaucoma is the second leading cause of blindness in the world next to cataract. Aging is a strong risk factor leading to elevated intraocular pressure (IOP). IOP is associated with aqueous humor circulation. Trabecular meshwork cells and Schlemm canal endothelial cells, which form the conventional outflow pathway, play an important role in maintaining the IOP. Cell senescence induces abnormalities of the aqueous humor dynamics, leading to elevated IOP. Trabecular meshwork cells cause increased intrinsic stiffness, autophagy dysfunction, abnormal expression of microRNA and mitochondrial dysfunction with senescence...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29141217/th1-like-plasmodium-specific-memory-cd4-t-cells-support-humoral-immunity
#10
Ryan A Zander, Rahul Vijay, Angela D Pack, Jenna J Guthmiller, Amy C Graham, Scott E Lindner, Ashley M Vaughan, Stefan H I Kappe, Noah S Butler
Effector T cells exhibiting features of either T helper 1 (Th1) or T follicular helper (Tfh) populations are essential to control experimental Plasmodium infection and are believed to be critical for resistance to clinical malaria. To determine whether Plasmodium-specific Th1- and Tfh-like effector cells generate memory populations that contribute to protection, we developed transgenic parasites that enable high-resolution study of anti-malarial memory CD4 T cells in experimental models. We found that populations of both Th1- and Tfh-like Plasmodium-specific memory CD4 T cells persist...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141035/influence-of-boron-supplementation-on-performance-immunity-and-antioxidant-status-of-lambs-fed-diets-with-or-without-adequate-level-of-calcium
#11
T Vijay Bhasker, N K S Gowda, D T Pal, S Karthik Bhat, P Krishnamoorthy, S Mondal, A K Pattanaik, A K Verma
Little is known about biological significance of effects of dietary Boron (B) and Calcium (Ca) interaction on health and production of farm animals. This is a preliminary investigation to evaluate the effects of B supplementation in lambs fed diets with (normal) or without adequate (low) levels of Ca. Twenty-four crossbred ram lambs were randomly distributed into four groups with six animals each in a 2x2 factorial design namely, normal-Ca diet (NCa) and low-Ca diet (LCa) fed without or with 40 ppm B (NCaB-40 and LCaB-40)...
2017: PloS One
https://www.readbyqxmd.com/read/29140548/a-phase-ib-open-label-single-arm-study-to-assess-the-safety-pharmacokinetics-and-impact-on-humoral-sensitization-of-sanguinate-infusion-in-patients-with-end-stage-renal-disease
#12
Bassam G Abu Jawdeh, E Steve Woodle, Abbie D Leino, Paul Brailey, Simon Tremblay, Tonya Dorst, Mouhamad H Abdallah, Amit Govil, Daniel Byczkowski, Hemant Misra, Abraham Abuchowski, Rita R Alloway
The endeavor to study desensitization in kidney transplantation hasn't been matched by an effort to investigate strategies to prevent sensitization. In this study (NCT02437422), we investigated the safety, impact on sensitization and pharmacokinetics of SANGUINATE (SG), a hemoglobin-based oxygen carrier, as a potential alternative to packed red blood cells (PRBC) in transplant candidates with end-stage renal disease (ESRD). Ten ESRD subjects meeting inclusion/exclusion (I/E) criteria were planned to receive 3 weekly infusions of SG (320mg/Kg)...
November 15, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29139548/prospects-from-systems-serology-research
#13
REVIEW
Kelly B Arnold, Amy W Chung
Antibodies are highly functional glycoproteins capable of providing immune protection through multiple mechanisms, including direct pathogen neutralization and the engagement of their Fc-portions with surrounding effector immune cells and immune components that induce anti-pathogenic responses. Small modifications to multiple antibody biophysical features induced by vaccines and other therapeutic regimens can significantly alter functional immune outcomes, though it is difficult to predict which combinations confer protective immunity...
November 15, 2017: Immunology
https://www.readbyqxmd.com/read/29138885/delayed-recovery-of-serum-immunoglobulin-g-is-a-poor-prognostic-marker-in-patients-with-follicular-lymphoma-treated-with-rituximab-maintenance
#14
Yoshiharu Kusano, Masahiro Yokoyama, Norihito Inoue, Hirofumi Yamauchi, Anna Takahashi, Naoko Tsuyama, Yuko Mishima, Noriko Nishimura, Kengo Takeuchi, Yasuhito Terui, Kiyohiko Hatake
Clinical trials involving various treatment schedules for rituximab maintenance have been conducted for patients with follicular lymphoma (FL) and have not confirmed their impact on serum immunoglobulin (sIg) levels until the completion of maintenance. However, the long-term use of rituximab is a concern because of circulating plasma cell-depletion risk, suggesting that the mechanism of change in sIg levels after RM has not been determined. Additionally, the relationship between host humoral immunity and the prognosis of patients with B cell malignancies has not been determined...
November 14, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29138328/reply-to-highly-efficacious-novel-vaccine-humoral-immunity-and-ocular-herpes-simplex-virus-1-reality-or-myth
#15
Derek J Royer, Daniel J J Carr
No abstract text is available yet for this article.
December 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29138085/in-silico-design-cloning-expression-and-immunologic-evaluation-of-ed-fusion-protein-of-nt-h-influenzae
#16
Ava Behrouzi, Saeid Bouzari, Mana Oloomi, Abolfaz Fateh, Farzam Vaziri, Parviz Afrough, Amir Amanzadeh, Seyed Davar Siadat
Infections due to nontypeable Haemophilus influenzae (NTHi) are important causes of child mortality throughout the world. Given the lack of effective vaccines for these strains and the spread and prevalence of these infections in the world, it is necessary to design novel vaccine candidates against these strains. D and E proteins are conserved membrane-specific lipoproteins among encapsulated and non-encapsulated H. influenza strains, which, according to the exposure surface and conservation degree between both strains, can be considered as vaccine candidates suitable for studies...
November 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29138084/determination-immunogenic-property-of-truncated-mrph-flic-as-a-vaccine-candidate-against-urinary-tract-infections-caused-by-proteus-mirabilis
#17
Zakaria Bameri, Mohammad Reza Asadi Karam, Mehri Habibi, Parastoo Ehsani, Saeid Bouzari
Proteus mirabilis is common cause of urinary tract infections (UTIs) especially in complicated UTIs which are resistant to antibiotic therapy, Consequently, an ideal vaccine is inevitably required. The N-terminal domain of MrpH (Truncated form of MrpH) lies between the most critical antigens of P. mirabilis to consider as vaccine candidate. FliC of Salmonella typhimurium induces several pathways of immunity system, which leads to produce antibody and cytokines. In this study, adjuvant properties of FliC and efficacy of truncated MrpH as important antigen, in tMrpH...
November 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29136138/calcific-aortic-valve-stenosis-hard-disease-in-the-heart-a-biomolecular-approach-towards-diagnosis-and-treatment
#18
Frederique E C M Peeters, Steven J R Meex, Marc R Dweck, Elena Aikawa, Harry J G M Crijns, Leon J Schurgers, Bas L J H Kietselaer
Calcific aortic valve stenosis (CAVS) is common in the ageing population and set to become an increasing economic and health burden. Once present, it inevitably progresses and has a poor prognosis in symptomatic patients. No medical therapies are proven to be effective in holding or reducing disease progression. Therefore, aortic valve replacement remains the only available treatment option. Improved knowledge of the mechanisms underlying disease progression has provided us with insights that CAVS is not a passive disease...
November 10, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29135797/use-of-a-threshold-of-interleukin-10-and-il-10-il-6-ratio-in-ocular-samples-for-the-screening-of-vitreoretinal-lymphoma
#19
Celine Pochat-Cotilloux, Jacques Bienvenu, Anh-Minh Nguyen, Robin Ohanessian, Hervé Ghesquières, Pascal Sève, Lorna Garnier, Laurent Kodjikian
PURPOSE: To determine a threshold for interleukin (IL)-10 and IL-10/IL-6 ratio in the aqueous humor (AH) and the vitreous for the screening of vitreoretinal lymphoma (VRL). METHODS: One hundred nineteen patients for whom IL-10 and IL-6 in the AH and/or vitreous had been measured were included: 16 patients with a final diagnosis of VRL and 103 patients with final diagnosis of uveitis. Groups were compared according to IL-10 and IL-6 levels and demographic data. RESULTS: In patients with VRL (Group 1), mean IL-10 values were 5,636 pg/mL, and in patients with uveitis (Group 2), 6...
November 10, 2017: Retina
https://www.readbyqxmd.com/read/29134676/a-safety-and-immunogenicity-study-of-a-novel-subunit-plague-vaccine-in-cynomolgus-macaques
#20
Li Liu, Dong Wei, Zhe Qu, Li Sun, Yufa Miao, Yanwei Yang, Jinbiao Lu, Weixin Du, Bingxiang Wang, Bo Li
Plague has led to millions of deaths in history and outbreaks continue to the present day. The efficacy limitations and safety concerns of the existing killed whole cell and live-attenuated vaccines call for the development of new vaccines. In this study, we evaluated the immunogenicity and safety of a novel subunit plague vaccine, comprising native F1 antigen and recombinant V antigen. The cynomolgus macaques in low- and high-dose vaccine groups were vaccinated at weeks 0, 2, 4 and 6, at dose levels of 15 μg F1 + 15 μg rV and 30 μg F1 + 30 μg rV respectively...
November 14, 2017: Journal of Applied Toxicology: JAT
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