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C3 complement

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https://www.readbyqxmd.com/read/28428059/the-decreased-growth-performance-and-impaired-immune-function-and-structural-integrity-by-dietary-iron-deficiency-or-excess-are-associated-with-tor-nf-%C3%AE%C2%BAb-p38mapk-nrf2-and-mlck-signaling-in-head-kidney-spleen-and-skin-of-grass-carp-ctenopharyngodon-idella
#1
Yan-Lin Guo, Wei-Dan Jiang, Pei Wu, Yang Liu, Xiao-Qiu Zhou, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Lin Feng
This study was conducted to investigate the effects of dietary iron on the growth, and immune function and structural integrity in head kidney, spleen and skin as well as the underlying signaling of young grass carp (Ctenopharyngodon idella). Total 630 grass carp (242.32 ± 0.58 g) were fed diets containing graded levels of iron at 12.15 (basal diet), 35.38, 63.47, 86.43, 111.09, 136.37 mg/kg (diets 2-6 were added with ferrous fumarate) and 73.50 mg/kg (diet 7 was added with ferrous sulfate) diet for 60 days...
April 18, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28426788/association-between-hemoglobin-glycation-index-with-insulin-resistance-and-carotid-atherosclerosis-in-non-diabetic-individuals
#2
Maria Adelaide Marini, Teresa Vanessa Fiorentino, Elena Succurro, Elisabetta Pedace, Francesco Andreozzi, Angela Sciacqua, Francesco Perticone, Giorgio Sesti
Hemoglobin glycation index (HGI), defined as the difference between the observed HbA1c value and the value of HbA1c predicted from plasma glucose levels, represents a measure of the degree of non-enzymatic glycation of hemoglobin and it has been found to be positively associated with micro- and macro-vascular complications in subjects with type 2 diabetes. To investigate the pathophysiological abnormalities responsible for the increased cardiovascular risk of patients with higher HGI, we evaluated the association of HGI with cardio-metabolic characteristics in nondiabetic offspring of type 2 diabetic individuals...
2017: PloS One
https://www.readbyqxmd.com/read/28426384/a-2-year-old-boy-with-circulatory-failure-owing-to-streptococcal-toxic-shock-syndrome-case-report
#3
Werner Keenswijk, Johan Vande Walle
A 2-year-old boy presented with severe hypotension and acute kidney injury after a prodrome of non-bloody diarrhoea and fever in the preceding 3 days. He had a mild Ebstein cardiac anomaly but otherwise a normal past history and growth. On examination, he looked ill, his temperature was 37.5 °C, circulation was poor, and there were several purpuric lesions on the face, hands and scrotum. Haemoglobin was 7.8 g/dL (11-14), total white cell count 27 × 10(9)/L, platelets 62 × 10(9)/L, blood urea nitrogen 20...
April 20, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28416449/complement-c3-targeted-therapy-replacing-long-held-assertions-with-evidence-based-discovery
#4
REVIEW
Dimitrios C Mastellos, Edimara S Reis, Daniel Ricklin, Richard J Smith, John D Lambris
Complement dysregulation underlies several inflammatory disorders, and terminal complement inhibition has thus far afforded significant clinical gains. Nonetheless, emerging pathologies, fueled by complement imbalance and therapy-skewing genetic variance, underscore the need for more comprehensive, disease-tailored interventions. Modulation at the level of C3, a multifaceted orchestrator of the complement cascade, opens up prospects for broader therapeutic efficacy by targeting multiple pathogenic pathways modulated by C3-triggered proinflammatory crosstalk...
April 14, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28416098/ideal-cardiovascular-health-and-inflammation-in-european-adolescents-the-helena-study
#5
E M González-Gil, J Santabárbara, J Ruiz, S Bel-Serrat, I Huybrechts, R Pedrero-Chamizo, A de la O, F Gottrand, A Kafatos, K Widhalm, Y Manios, D Molnar, S De Henauw, M Plada, M Ferrari, G Palacios Le Blé, A Siani, M González-Gross, S Gómez-Martínez, A Marcos, L A Moreno Aznar
BACKGROUND AND AIMS: Inflammation plays a key role in atherosclerosis and this process seems to appear in childhood. The ideal cardiovascular health index (ICHI) has been inversely related to atherosclerotic plaque in adults. However, evidence regarding inflammation and ICHI in adolescents is scarce. The aim is to assess the association between ICHI and inflammation in European adolescents. METHODS AND RESULTS: As many as 543 adolescents (251 boys and 292 girls) from the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study, a cross-sectional multi-center study including 9 European countries, were measured...
December 23, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28411212/insights-into-the-effects-of-complement-factor-h-on-the-assembly-and-decay-of-the-alternative-pathway-c3-proconvertase-and-c3-convertase
#6
Serena Bettoni, Elena Bresin, Giuseppe Remuzzi, Marina Noris, Roberta Donadelli
No abstract text is available yet for this article.
April 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28410933/the-role-of-complement-in-the-acute-phase-response-after-burns
#7
REVIEW
H Ibrahim Korkmaz, Paul A J Krijnen, Magda M W Ulrich, E de Jong, Paul P M van Zuijlen, Hans W M Niessen
Severe burns induce a complex systemic inflammatory response characterized by a typical prolonged acute phase response (APR) that starts approximately 4-8h after-burn and persists for months up to a year after the initial burn trauma. During this APR, acute phase proteins (APPs), including C-reactive protein (CRP) and complement (e.g. C3, C4 and C5) are released in the blood, resulting amongst others, in the recruitment and migration of inflammatory cells. Although the APR is necessary for proper wound healing, a prolonged APR can induce local tissue damage, hamper the healing process and cause negative systemic effects in several organs, including the heart, lungs, kidney and the central nervous system...
April 11, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28409385/the-effect-of-dietary-folic-acid-on-biochemical-parameters-and-gene-expression-of-three-heat-shock-proteins-hsps-of-blunt-snout-bream-megalobrama-amblycephala-fingerling-under-acute-high-temperature-stress
#8
Daniella Fatmata Sesay, Habte-Michael Habte-Tsion, Qunlan Zhou, Mingchun Ren, Jun Xie, Bo Liu, Ruli Chen, Liangkun Pan
The effects of dietary folic acid on biochemical parameters and gene expression of three heat shock proteins (HSPs) of blunt snout bream (Megalobrama amblycephala) fingerling under acute high temperature stress. Six dietary folic acid groups (0.0, 0.5, 1.0, 2.0, 5.0, and 10.0) mg/kg diets were designed and assigned into 18 tanks in three replicates each (300 l/tank) and were administered for 10 weeks in a re-circulated water system. The fingerlings with an initial weight of 27.0 ± 0.03 g were fed with their respective diets four times daily...
April 13, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28409016/surface-complement-c3-fragments-and-cellular-binding-of-microparticles-in-patients-with-sle
#9
Line Kjær Winberg, Claus Henrik Nielsen, Søren Jacobsen
OBJECTIVES: To examine microparticles (MPs) from patients with SLE and healthy controls (HCs) by determining the cellular origin of the MPs, quantifying attached fragments of complement component 3 (C3) and assessing the ability of MPs to bind to circulating phagocytes and erythrocytes. These features may be relevant for clearance of MPs in SLE pathogenesis. METHODS: Attached C3 fragments (C3b, iC3b, C3d), membrane integrity and cell surface markers of MPs from 18 patients with SLE and 11 HCs were measured by adding specific antibodies, 7-aminoactinomycin D (7AAD) and annexin V...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/28408754/lack-of-association-of-c3-gene-with-uveitis-additional-insights-into-the-genetic-profile-of-uveitis-regarding-complement-pathway-genes
#10
Ming Ming Yang, Jun Wang, Li Dong, De Ju Kong, Yan Teng, Ping Liu, Jiao Jie Fan, Xu Hui Yu
Uveitis is a devastating ocular disease that causes blindness. Our previous studies have achieved great advancements in depicting the genetic profiles of uveitis regarding complement pathway genes. This study aimed to provide additional insights into this interest by testing the "central" factor of the complement system, C3 gene variants, in two uveitis entities. Eight haplotype-tagging SNPs of C3 gene were genotyped in 141 anterior uveitis (AU), 158 non-infectious intermediate and posterior uveitis (NIPU) and 293 controls...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28408428/risitano-am-ricklin-d-huang-y-et-al-peptide-inhibitors-of-c3-activation-as-a-novel-strategy-of-complement-inhibition-for-the-treatment-of-paroxysmal-nocturnal-hemoglobinuria-blood-2014-123-13-2094-2101
#11
https://www.readbyqxmd.com/read/28408375/uric-acid-is-associated-with-inflammatory-biomarkers-and-induces-inflammation-via-activating-the-nf-%C3%AE%C2%BAb-signaling-pathway-in-hepg2-cells
#12
Rosangela Spiga, Maria Adelaide Marini, Elettra Mancuso, Concetta Di Fatta, Anastasia Fuoco, Francesco Perticone, Francesco Andreozzi, Gaia Chiara Mannino, Giorgio Sesti
OBJECTIVE: Serum uric acid (UA) has been associated with increased risk of cardiovascular and metabolic diseases. However, the causal mechanisms linking elevated UA levels to cardio-metabolic diseases are still unsettled. One potential explanation for how UA might contribute to cardio-metabolic disease might be its ability to induce systemic inflammation. APPROACH AND RESULTS: Herein, we report a positive relationship between serum UA and acute-phase reactants, such as high-sensitivity C-reactive protein, fibrinogen, ferritin, complement C3, and erythrocyte sedimentation rate, in a cohort of 2731 nondiabetic adults...
April 13, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28403670/genetic-variants-in-fh-are-associated-with-renal-histopathologic-subtypes-of-lupus-nephritis-a-large-cohort-study-from-china
#13
M Tan, J-B Hao, H Chu, F-M Wang, D Song, L Zhu, F Yu, Y-Z Li, Y Song, M-H Zhao
Objective Genetic variants in FH (complement factor H) were reported to associate with susceptibility to systemic lupus erythematosus (SLE). This study proposed that the genetic defects of FH in the susceptibility and in the development of lupus nephritis might be different. Methods This study enrolled 334 lupus nephritis patients, 269 SLE patients without clinical renal involvement and 350 controls. Two-step genotyping was performed. First, all the exons of the FH gene were fully sequenced in 100 lupus nephritis patients and 100 healthy controls...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28402228/complement-components-are-expressed-by-infiltrating-macrophages-activated-microglia-early-following-viral-infection
#14
Jane E Libbey, Matthew F Cusick, Daniel J Doty, Robert S Fujinami
The individual innate immune components, interleukin-6 and complement component C3, play a role in the development of acute seizures in the Theiler's murine encephalomyelitis virus-induced seizure model. We examined the mRNA expression of various other complement components, cytokines, chemokines, and major histocompatibility complex antigens both within brain and in isolated ramified microglial and infiltrating macrophage/activated microglial cell populations over a time course covering the first 3 days postinfection...
April 12, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28400421/kidney-outcomes-and-risk-factors-for-nephritis-flare-de-novo-in-a-multiethnic-cohort-of-pregnant-patients-with-lupus
#15
Jill P Buyon, Mimi Y Kim, Marta M Guerra, Sifan Lu, Emily Reeves, Michelle Petri, Carl A Laskin, Michael D Lockshin, Lisa R Sammaritano, D Ware Branch, T Flint Porter, Allen Sawitzke, Joan T Merrill, Mary D Stephenson, Elisabeth Cohn, Jane E Salmon
BACKGROUND AND OBJECTIVES: Kidney disease is a critical concern in counseling patients with lupus considering pregnancy. This study sought to assess the risk of renal flares during pregnancy in women with previous lupus nephritis in partial or complete remission, particularly in those with antidouble-stranded DNA antibodies and low complement levels, and the risk of new-onset nephritis in patients with stable/mildly active SLE. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We assessed active nephritis (renal flares and de novo kidney disease) and associated predictors during pregnancy in patients with lupus with urine protein ≤1000 mg and serum creatinine <1...
April 11, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28398583/clsi-based-validation-of-manufacturer-derived-reference-intervals-on-the-cobas-8000-platform
#16
Veronika Leitner-Ferenc, Johanna Atamaniuk, Sonja Jansen-Skoupy, Brigitta Stöckelmeier, Katharina Grohs, Manuela Födinger
Background: Reference intervals provided by diagnostic test manufacturers should be transferred to clinical laboratories after validation. Although protocols exist, laboratories rarely perform and report on results of validation studies. Methods: We validated reference intervals (RIs) of 87 analytes on a Cobas 8000 platform according to standards published by the Clinical and Laboratory Standards Institute (CLSI). Results: For 8 analytes, decision limits were provided in the package inserts...
April 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28397718/clinical-predictors-of-outcome-in-patients-with-anti-neutrophil-cytoplasmic-autoantibody-related-renal-vasculitis-experiences-from-a-single-center
#17
Lei Pu, Gui-Sen Li, Yu-Rong Zou, Ping Zhang, Li Wang
BACKGROUND: Primary anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV) is a chronic autoimmune disease associated with multisystem dysfunction. Renal involvement is common and closely associated with outcome. The purpose of this study was to investigate the clinical determinants of mortality of patients with AAV-related renal injury in the first 2 years after diagnosis in a single West Chinese center. METHODS: Demographic and laboratory parameters of 123 consecutive patients with AAV-related renal injury diagnosed in Renal Division and Institute of Nephrology, Sichuan Provincial People's Hospital between 2004 and 2012 were collected retrospectively...
April 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28397464/effects-of-ulinastatin-on-in-vitro-storage-lesions-of-human-red-blood-cells
#18
Ding-Hua Liu, Yun-Tai Yao, Li-Huan Li, Chun-Mei Huang
BACKGROUND: The study aimed to investigate the influence of in vitro storage on erythrocyte complement receptor one (E-CR1), cell shrinkage and eryptosis of human red blood cells (RBCs), and to assess the possible effects of ulinastatin (UTI) on them. METHODS: After collection, RBCs were treated with saline (control group) and different concentrations of UTI (5,000 U/mL, 10,000 U/mL, and 50,000 U/mL in Group C1, Group C2, and Group C3, respectively). E-CR1, cell size, and phosphatidylserine (PS) exposure and intracellular Ca2+ concentration were analyzed by flow cytometer every 7 days up to Day 35...
April 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28394235/a-critical-analysis-of-the-tools-to-evaluate-neuropsychiatric-lupus
#19
K E N Clark, C N Clark, A Rahman
Neuropsychiatric symptoms occur commonly in patients with systemic lupus erythematosus, but they are not always due to active disease. It is crucial to identify cases that are due to active systemic lupus erythematosus so that appropriate treatment can be instituted. There is no single serological or imaging test that distinguishes active neuropsychiatric systemic lupus erythematosus from neuropsychiatric manifestations caused by other factors such as infection. Most patients with neuropsychiatric systemic lupus erythematosus have generalised features of disease activity...
April 2017: Lupus
https://www.readbyqxmd.com/read/28391334/complement-activation-in-pauci-immune-necrotizing-and-crescentic-glomerulonephritis-results-of-a-proteomic-analysis
#20
Sanjeev Sethi, Ladan Zand, An S De Vriese, Ulrich Specks, Julie A Vrana, Siddak Kanwar, Paul Kurtin, Jason D Theis, Andrea Angioi, Lynn Cornell, Fernando C Fervenza
Background: Complement activation plays an important role in the pathophysiology of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), although it remains unclear which pathway is activated. Whether pauci-immune necrotizing crescentic glomerulonephritis (pauci-immune GN) with negative ANCA serology is part of the spectrum of AAV or a different disease entity is essentially unknown. Methods: We used proteomic analysis to delineate the complement profile in a series of 13 kidney biopsies of patients with pauci-immune GN, with either proteinase 3 (PR3) (five patients) or myeloperoxidase (MPO) antibodies (four patients) or with consistently negative ANCA serology (four patients)...
January 1, 2017: Nephrology, Dialysis, Transplantation
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