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Tumor necrosis factor and neonates

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https://www.readbyqxmd.com/read/28337264/ip3r-and-ryr-calcium-channels-are-involved-in-neonatal-rat-cardiac-myocyte-hypertrophy-induced-by-tumor-necrosis-factor-%C3%AE
#1
Gui-Jun Wang, Lian-Yi Guo, Hong-Xin Wang, Yu-Sheng Yao
To investigate which calcium channels are involved in cardiac myocyte hypertrophy induced by TNF-α, cultured cardiomyocytes were treated with 100 μg/L TNF-α. In addition, three different calcium channel blockers (2-APB, ryanodine and nifedipine) were used, and the effects of each calcium channel blocker on cardiac hypertrophy induced by TNF-α were carefully observed. Measurements included cytosolic calcium transients ([Ca(2+)]i), the level of intracellular calcium in individual cells, cell protein content, cell protein synthesis and cell volume...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28295397/red-blood-cell-transfusions-can-induce-proinflammatory-cytokines-in-preterm-infants
#2
Carlo Dani, Chiara Poggi, Elena Gozzini, Valentina Leonardi, Alice Sereni, Rosanna Abbate, Anna Maria Gori
BACKGROUND: The risk of developing red blood cell (RBC) transfusion-associated necrotizing enterocolitis (TANEC) in preterm infants has recently been emphasized. Our aim was to assess changes in cytokine serum levels after RBC transfusions in a cohort of very preterm infants to evaluate their possible proinflammatory effect. STUDY DESIGN AND METHODS: We carried out a prospective observational study. One transfusion event was studied in infants less than 32 weeks' gestation and more than 7 days old (n = 20) admitted to a tertiary neonatal intensive care unit...
March 11, 2017: Transfusion
https://www.readbyqxmd.com/read/28262618/2-4-chlorobenzyl-amino-4-methyl-1-3-thiazole-5-carboxylic-acid-exhibits-antidiabetic-potential-and-raises-insulin-sensitivity-via-amelioration-of-oxidative-enzymes-and-inflammatory-cytokines-in-streptozotocin-induced-diabetic-rats
#3
Yam Nath Paudel, Md Rahmat Ali, Sadia Shah, Mohd Adil, Md Sayeed Akhtar, Ravisha Wadhwa, Sandhya Bawa, Manju Sharma
Thiazole derivatives are potential candidates for drug development. They can be efficiently synthesized and are extremely active against several diseases, including diabetes. In our present study, we investigated the anti-diabetic, anti-oxidant and anti-inflammatory properties of 2-[(4-Chlorobenzyl) amino]-4-methyl-1,3-thiazole-5-carboxylic acid (BAC) a new thiazole derivative, in a streptozotocin (STZ) induced neonatal model of non-insulin dependent diabetes mellitus (NIDDM) rats. Diabetes was induced by injecting STZ (100mg/kg) intraperitoneally to two days old pups...
March 2, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28250672/utility-of-cytokine-adhesion-molecule-and-acute-phase-proteins-in-early-diagnosis-of-neonatal-sepsis
#4
M A Fattah, Al Fadhil A Omer, S Asaif, R Manlulu, T Karar, A Ahmed, A Aljada, Ayman M Saleh, Shoeb Qureshi, A Nasr
BACKGROUND AND AIM: Neonatal infection, including bacterial sepsis, is a major health care issue with an annual global mortality in excess of one million lives. Therefore, this study aimed to evaluate the potential diagnostic value of C-reactive protein (CRP), E-selectin, procalcitonin (PCT), interleukins-6 (IL-6), and tumor necrosis factor-α (TNF-α) both independently and in combination for the diagnosis of neonatal sepsis in its earliest stages. MATERIALS AND METHODS: A total of 320 subjects were included in this study...
January 2017: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/28241053/release-of-hiv-1-sequestered-in-the-vesicles-of-oral-and-genital-mucosal-epithelial-cells-by-epithelial-lymphocyte-interaction
#5
Aizezi Yasen, Rossana Herrera, Kristina Rosbe, Kathy Lien, Sharof M Tugizov
Oropharyngeal mucosal epithelia of fetuses/neonates/infants and the genital epithelia of adults play a critical role in HIV-1 mother-to-child transmission and sexual transmission of virus, respectively. To study the mechanisms of HIV-1 transmission through mucosal epithelium, we established polarized tonsil, cervical and foreskin epithelial cells. Analysis of HIV-1 transmission through epithelial cells showed that approximately 0.05% of initially inoculated virions transmigrated via epithelium. More than 90% of internalized virions were sequestered in the endosomes of epithelial cells, including multivesicular bodies (MVBs) and vacuoles...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28229280/posterior-urethral-valve-in-fetuses-evidence-for-the-role-of-inflammatory-molecules
#6
Érica Leandro Marciano Vieira, Natalia Pessoa Rocha, Fernando Macedo Bastos, Kátia Daniela da Silveira, Alamanda K Pereira, Eduardo Araújo Oliveira, Débora Marques de Miranda, Ana Cristina Simões E Silva
BACKGROUND: The aim of this cross-sectional study was to investigate inflammatory biomarkers in urine samples of 24 fetuses with posterior urethral valve (PUV) collected at 22 ± 4 weeks of gestation and to compare the findings with measurements in urine samples of 22 male healthy preterm neonates at 23 ± 4 weeks (control group). METHODS: Inflammatory biomarkers in urine were measured using a cytometric bead array [interleukin (IL)-2, IL-4, IL-6, IL-10, interferon (IFN)-γ, soluable tumor necrosis factor receptor (TNFR) 1, sTNFR2, monocyte chemoattractant protein-1/chemokine ligand 2 (MCP-1/CCL2), eotaxin/CCL11 and interferon gamma-induced protein/10/C-X-C motif chemokine 10 (IP-10/CXCL10)] and ELISA assays [TNF, IL-8/CXCL8 and transforming growth factor-beta (TGF-β)]...
February 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28077740/the-jarisch-herxheimer-reaction-after-antibiotic-treatment-of-spirochetal-infections-a-review-of-recent-cases-and-our-understanding-of-pathogenesis
#7
REVIEW
Thomas Butler
Within 24 hours after antibiotic treatment of the spirochetal infections syphilis, Lyme disease, leptospirosis, and relapsing fever (RF), patients experience shaking chills, a rise in temperature, and intensification of skin rashes known as the Jarisch-Herxheimer reaction (JHR) with symptoms resolving a few hours later. Case reports indicate that the JHR can also include uterine contractions in pregnancy, worsening liver and renal function, acute respiratory distress syndrome, myocardial injury, hypotension, meningitis, alterations in consciousness, seizures, and strokes...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28077321/camkii%C3%AE-subtypes-differentially-regulate-infarct-formation-following-ex-vivo-myocardial-ischemia-reperfusion-through-nf-%C3%AE%C2%BAb-and-tnf-%C3%AE
#8
Charles B B Gray, Takeshi Suetomi, Sunny Xiang, Shikha Mishra, Erik A Blackwood, Christopher C Glembotski, Shigeki Miyamoto, B Daan Westenbrink, Joan Heller Brown
Deletion of Ca(2+)/calmodulin-dependent protein kinase II delta (CaMKIIδ) has been shown to protect against in vivo ischemia/reperfusion (I/R) injury. It remains unclear which CaMKIIδ isoforms and downstream mechanisms are responsible for the salutary effects of CaMKIIδ gene deletion. In this study we sought to compare the roles of the CaMKIIδB and CaMKIIδC subtypes and the mechanisms by which they contribute to ex vivo I/R damage. WT, CaMKIIδKO, and mice expressing only CaMKIIδB or δC were subjected to ex vivo global ischemia for 25min followed by reperfusion...
February 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28043299/-mechanism-of-protective-effects-of-tumor-necrosis-factor-receptor-associated-protein-1-on-hypoxic-cardiomyocytes-of-rats
#9
F Xiang, D X Zhang, S Y Ma, Y S Huang
Objective: To investigate the mechanism of protective effects of tumor necrosis factor receptor associated protein 1 (TRAP1) on hypoxic cardiomyocytes of rats. Methods: Primary cultured cardiomyocytes were obtained from neonatal Sprague-Dawley rats (aged 1 to 3 days) and then used in the following experiments. (1) Cells were divided into group TRAP1 and control group according to the random number table (the same grouping method below), and then the total protein of cells was extracted. Total protein of cells in group TRAP1 was added with mouse anti-rat TRAP1 monoclonal antibody, while that in control group was added with the same type of IgG from mouse...
December 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28011791/maternal-smoking-and-newborn-cytokine-and-immunoglobulin-levels
#10
Nikhita Chahal, Alexander C McLain, Akhgar Ghassabian, Kara A Michels, Erin M Bell, David A Lawrence, Edwina H Yeung
INTRODUCTION: Prenatal smoking exposure may lead to permanent changes in neonatal inflammation and immune response that have lifelong implications, including increased risks for atopy and respiratory disorders. METHODS: The effect of maternal smoking on neonatal biomarkers of inflammation and immune response was assessed among 3459 singletons and twins in the Upstate KIDS Study. The following inflammatory biomarkers were measured using newborn dried blood spots (DBSs): interleukin (IL)-1α, IL-1 receptor antagonist, IL-6, IL-8, C-reactive protein, and tumor necrosis factor alpha...
December 23, 2016: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28005456/physicochemical-and-biological-characterization-of-sb2-a-biosimilar-of-remicade%C3%A2-infliximab
#11
Juyong Hong, Yuhwa Lee, Changsoo Lee, Suhyeon Eo, Soyeon Kim, Nayoung Lee, Jongmin Park, Seungkyu Park, Donghyuck Seo, Min Jeong, Youngji Lee, Soojeong Yeon, George Bou-Assaf, Zoran Sosic, Wei Zhang, Orlando Jaquez
A biosimilar is a biological medicinal product that contains a version of the active substance of an already authorized original biological medicinal product. Biosimilarity to the reference product (RP) in terms of quality characteristics, such as physicochemical and biological properties, safety, and efficacy, based on a comprehensive comparability exercise needs to be established. SB2 (Flixabi® and Renflexis®) is a biosimilar to Remicade® (infliximab). The development of SB2 was performed in accordance with relevant guidelines of the International Conference on Harmonisation, the European Medicines Agency, and the United States Food and Drug Administration...
February 2017: MAbs
https://www.readbyqxmd.com/read/27960200/systematic-review-and-meta-analysis-gene-association-studies-in-neonatal-sepsis
#12
Lakshmi Srinivasan, Daniel T Swarr, Megha Sharma, C Michael Cotten, Haresh Kirpalani
Background Association studies of various gene variants in neonatal sepsis show conflicting results. Objective We performed a systematic review of candidate gene association studies in neonatal sepsis to provide pooled estimates of risk for selected gene variants. Methods We performed a search using MeSH terms "infection," "sepsis," "infant," "genetic variation," "polymorphism," and "genetic association studies." We included studies evaluating associations between neonatal sepsis and genetic variants (2000-2015)...
December 13, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27928674/cord-blood-tnf-%C3%AE-and-il-6-levels-as-diagnostic-indicators-of-brain-damage-in-neonates-with-non-asphyxia-fetal-distress
#13
Chunfang Tian, Liqin Cheng, Xiaoshan Gu
PURPOSE: We investigated prospectively cord blood TNF-α and IL-6 levels as diagnostic indicators of brain damage in neonates with non-asphyxia fetal distress. METHODS: Eighty neonates delivered by cesarean section from January 2013 to December 2014 were enrolled. Magnetic resonance imaging was conducted to determine brain damage. Neonates were assigned to a healthy control group (n = 30) or, with fetal distress, apportioned to groups with or without brain damage (n = 20 and 30, respectively)...
December 7, 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/27916093/-protective-effect-of-interleukin-22-against-hyperoxia-induced-lung-injury-in-neonatal-rats
#14
Li Yuan, Xiuxiang Liu, Ruiwei Gao, Jinshuai Ma, Suni Lu, Haihong Zhang
Objective To study the protective effect of interleukin-22 (IL-22) against the hyperoxia-induced lung injury in neonatal SD rats. Methods The neonatal SD rats were randomized into control group, hyperoxia group and IL-22 (10 ng/g) treatment group. Each group was randomly divided into three subgroups of 1, 3, 7 days (n=9). Body mass in every group was detected; lung pathological changes were observed by HE staining; tumor necrosis factor α (TNF-α) in lung tissues was tested by quantitative real-time PCR; and IL-1β in plasma was measured by ELISA...
December 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/27913060/outcome-of-pregnancy-and-neonatal-complications-with-anti-tumor-necrosis-factor-%C3%AE-use-in-females-with-immune-mediated-diseases-a-systematic-review-and-meta-analysis
#15
REVIEW
Fukiko Komaki, Yuga Komaki, Dejan Micic, Akio Ido, Atsushi Sakuraba
BACKGROUND: Immune mediated diseases such as rheumatoid arthritis (RA), ankylosing spondylitis (AS), and inflammatory bowel disease (IBD) commonly affect young and adolescent females. Anti-tumor necrosis factor (TNF)-α agents are increasingly used to treat these conditions, but their safety during pregnancy remains unclear. OBJECTIVES: To evaluate the risk of pregnancy related outcomes in patients with various immune mediated diseases treated with anti-TNF-α agents...
January 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/27871914/neonatal-levels-of-adiponectin-interleukin-10-and-interleukin-12-are-associated-with-the-risk-of-developing-type-1-diabetes-in-childhood-and-adolescence-a-nationwide-danish-case-control-study
#16
Steffen U Thorsen, Christian B Pipper, Stefanie Eising, Kristin Skogstrand, David M Hougaard, Jannet Svensson, Flemming Pociot
BACKGROUND/AIM: An in-depth understanding of the early phase of type 1 diabetes (T1D) pathogenesis is important for targeting primary prevention. We examined if 14 preselected mediators of immune responses differed in neonates that later developed T1D compared to control neonates. METHODS: The study is a case-control study with a 1:2 matching. The individuals were born between 1981 through 2002. Cases were validated using the National Patient Register and the Danish Childhood Diabetes Register...
November 15, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27854156/demonstration-of-physicochemical-and-functional-similarity-between-the-proposed-biosimilar-adalimumab-msb11022-and-humira%C3%A2
#17
Laurent Magnenat, Angelo Palmese, Christèle Fremaux, Fabio D'Amici, Mariagrazia Terlizzese, Mara Rossi, Laurent Chevalet
Biosimilars are biological products that are highly similar to existing products approved by health authorities. Demonstration of similarity starts with the comprehensive analysis of the reference product and its proposed biosimilar at the physicochemical and functional levels. Here, we report the results of a comparative analysis of a proposed biosimilar adalimumab MSB11022 and its reference product, Humira®. Three batches of MSB11022 and up to 23 batches of Humira® were analyzed by a set of state-of-the-art orthogonal methods...
January 2017: MAbs
https://www.readbyqxmd.com/read/27849634/inflammation-and-apoptosis-dual-mediator-role-for-toll-like-receptor-4-in-the-development-of-necrotizing-enterocolitis
#18
Yin Zhou, Yibo Li, Bin Zhou, Keling Chen, Zhaoying Lyv, Dongmei Huang, Bin Liu, Zhicheng Xu, Bo Xiang, Shuguang Jin, Xiaofeng Sun, Yuan Li
BACKGROUND: Necrotizing enterocolitis (NEC) is the leading cause of neonatal gastrointestinal mortality; effective interventions are lacking with limited understanding of the pathogenesis of NEC. The importance of Toll-like receptor 4 (TLR4) signaling in NEC is well documented; however, the potential mechanisms that regulate enterocyte inflammation and apoptosis remain unclear. The aim of this study was to characterize the role of TLR4-mediated inflammation and apoptosis in the development of NEC and to determine the major apoptotic pathways and regulators in the process...
January 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27793739/globular-ctrp3-promotes-mitochondrial-biogenesis-in-cardiomyocytes-through-ampk-pgc-1%C3%AE-pathway
#19
Cheng-Lin Zhang, Han Feng, Li Li, Jin-Yu Wang, Dan Wu, Yan-Ting Hao, Zheng Wang, Yan Zhang, Li-Ling Wu
BACKGROUND: Mitochondrial biogenesis is crucial for the maintenance of mitochondrial function and cellular homeostasis. C1q/tumor necrosis factor-related protein-3 (CTRP3) is an adipokine that owns multiple functions on metabolic and cardiovascular diseases. However, whether CTRP3 affects mitochondrial biogenesis in cardiomyocytes remains unknown. METHODS: Neonatal rat ventricular myocytes were cultured and treated with globular CTRP3 (gCTRP3). The expression of mitochondrial biogenesis related genes was measured by real-time PCR and western blot analysis...
January 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27648693/multiplex-cytokine-profiling-identifies-interleukin-27-as-a-novel-biomarker-for-neonatal-early-onset-sepsis
#20
Yu He, Wei Xia Du, Hong Yan Jiang, Qing Ai, Jinxing Feng, Zhenqiu Liu, Jia Lin Yu
BACKGROUND: Early onset sepsis (EOS) remains a major cause of mortality and morbidity in neonates, and traditional clinical markers effective for adults are less effective in these patients. This study aimed to assess the value of individual plasma biomarkers as well as biomarker combinations for predicting EOS in neonates. METHODS: This prospective study included 151 neonates with suspected EOS. Plasma levels of interleukin (IL)-27, IL-6, IL-8, tumor necrosis factor (TNF)-α, heat shock protein (HSP) 70, macrophage inflammatory protein (MIP)-1α, MIP-1β, granzyme B, and matrix metalloproteinase (MMP)-8 were measured through multiplex cytokine profiling and assessed along with C-reactive protein (CRP) and procalcitonin (PCT)...
February 2017: Shock
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