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https://www.readbyqxmd.com/read/28527399/the-effects-of-melamine-with-or-without-cyanuric-acid-on-immune-function-in-ovalbumin-sensitized-mice
#1
Rong H Yin, Qiao Dong, Hua S Li, Jing Yuan, Xi T Li, Rong L Yin, Wen Li, Wen C Wang, Bao S Liu, Xiao H Han, Ren F Wang, Xin Wang, Wen L Bai
Melamine is commonly used in the chemical industry, and it has been found to exist on food processing equipment and utensils. Previous investigations suggested that melamine alone or its combination with cyanuric acid appears to be toxic to immune system in animals. The objective of this study is to investigate the potential effects of melamine with or without cyanuric acid on immune function in ovalbumin- sensitized mice. Our data indicated that melamine-related administration caused a significant decreasing in the content of IL-4 in mice in comparison to negative control group...
May 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28527302/aortic-adventitial-fibroblast-sensitivity-to-mitogen-activated-protein-kinase-inhibitors-depends-on-substrate-stiffness
#2
Rebecca A Scott, Prathamesh M Kharkar, Kristi L Kiick, Robert E Akins
Adventitial fibroblasts (AFs) are key determinants of arterial function and critical mediators of arterial disease progression. The effects of altered stiffness, particularly those observed across individuals during normal vascular function, and the mechanisms by which AFs respond to altered stiffness, are not well understood. To study the effects of matrix stiffness on AF phenotype, cytokine production, and the regulatory pathways utilized to interpret basic cell-matrix interactions, human aortic AFs were grown in 5%, 7...
May 10, 2017: Biomaterials
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#3
Shima Bibi, Luís Fernando de Sousa Moraes, Noelle Lebow, Mei-Jun Zhu
Obesity is a risk factor for developing inflammatory bowel disease. Pea is unique with its high content of dietary fiber, polyphenolics, and glycoproteins, all of which are known to be health beneficial. We aimed to investigate the impact of green pea (GP) supplementation on the susceptibility of high-fat diet (HFD)-fed mice to dextran sulfate sodium (DSS)-induced colitis. Six-week-old C57BL/6J female mice were fed a 45% HFD or HFD supplemented with 10% GP. After 7-week dietary supplementation, colitis was induced by adding 2...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28521869/high-fgf21-levels-are-associated-with-altered-bone-homeostasis-in-hiv-1-infected-patients
#4
José M Gallego-Escuredo, Maria Karuna Lamarca, Joan Villarroya, Joan C Domingo, Ma Gracia Mateo, Ma Del Mar Gutierrez, Francesc Vidal, Francesc Villarroya, Pere Domingo, Marta Giralt
BACKGROUND: Fibroblast growth factor-21 (FGF21) has emerged as an important regulator of glucose, lipid, and body weight homeostasis. However, recent experimental studies have reported that increased FGF21 levels may lead to bone loss. OBJECTIVE: To assess the relationship of serum FGF21 levels and altered bone homeostasis in HIV-1-infected patients. DESIGN: Cross-sectional study of 137 HIV-1-infected patients and 35 healthy controls conducted at the Hospital de la Santa Creu i Sant Pau, Barcelona...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28521173/thymoquinone-ameliorates-renal-damage-in-unilateral-ureteral-obstruction-in-rats
#5
Sara Hosseinian, Abolfazl Khajavi Rad, Alireza Ebrahimzadeh Bideskan, Mohammad Soukhtanloo, Hamidreza Sadeghnia, Mohammad Naser Shafei, Fatemeh Motejadded, Reza Mohebbati, Samira Shahraki, Farimah Beheshti
BACKGROUND: It is well established that renin-angiotensin system (RAS) play a central role in pathophysiology of renal damage following unilateral ureteral obstruction (UUO). The present study investigated the effects of thymoquinone and RAS blockade on renal tissue damage and renal expression of angiotensin II after UUO in rats. METHODS: Forty male rats were divided to five groups: Sham-operated group, UUO group and rats with UUO treated with losartan, captopril and thymoquinone...
March 14, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28514870/biomarker-profile-of-sepsis-associated-coagulopathy-using-biochip-assay-for-inflammatory-cytokines
#6
Amanda Walborn, Debra Hoppensteadt, Daneyal Syed, Michael Mosier, Jawed Fareed
Disseminated intravascular coagulation (DIC) is a major pathophysiological mechanism of sepsis and greatly increases the risk of death in septic patients. Disseminated intravascular coagulation is a complex physiological phenomenon that involves inappropriate activation of coagulation, inflammation, and endothelial processes. The purpose of this study was to analyze the levels of inflammatory cytokines in the plasma of patients with DIC in order to compare the measured levels with those from healthy individuals, draw correlations, and provide a basis for further biomarker panel development...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28508193/neutrophil-depletion-improves-diet-induced-non-alcoholic-fatty-liver-disease-in-mice
#7
Rongying Ou, Jia Liu, Mingfen Lv, Jingying Wang, Jinmeng Wang, Li Zhu, Liang Zhao, Yunsheng Xu
PURPOSE: Non-alcoholic fatty liver disease is highly associated with morbidity and mortality in population. Although studies have already demonstrated that the immune response plays a pivotal role in the development of non-alcoholic fatty liver disease, the comprehensive regulation is unclear. Therefore, present study was carried out to investigate the non-alcoholic fatty liver disease development under neutrophil depletion. METHODS: To achieve the aim of the study, C57BL/6 J mice were fed with high fat diet for 6 weeks before treated with neutrophil deplete antibody 1A8 or isotype control (200 μg/ mouse every week) for another 4 weeks...
April 6, 2017: Endocrine
https://www.readbyqxmd.com/read/28504607/innate-inflammatory-gene-expression-profiling-in-potential-brain-dead-donors-detailed-investigation-of-the-effect-of-common-corticosteroid-therapy
#8
Reza Gholamnezhadjafari, Nader Tajik, Reza Falak, Reza Aflatoonian, Sanaz Dehghan, Abbas Rezaei
Our study aimed to assess the influence of common methylprednisolone therapy on innate inflammatory factors in potential brain-dead organ donors (BDDs). The study groups consisted of 50 potential BDDs who received 15 mg/kg/d methylprednisolone and 25 live organ donors (LDs) as control group. Innate immunity gene expression profiling was performed by RT-PCR array. Soluble serum cytokines and chemokines, complement components, heat shock protein 70 (HSP70) and high mobility group box-1 (HMGB1) were measured by ELISA...
January 1, 2017: Innate Immunity
https://www.readbyqxmd.com/read/28502917/the-role-of-heparin-cofactor-%C3%A2-in-the-regulation-of-insulin-sensitivity-and-maintenance-of-glucose-homeostasis-in-humans-and-mice
#9
Kiyoe Kurahashi, Seika Inoue, Sumiko Yoshida, Yasumasa Ikeda, Kana Morimoto, Ryoko Uemoto, Kazue Ishikawa, Takeshi Kondo, Tomoyuki Yuasa, Itsuro Endo, Masato Miyake, Seiichi Oyadomari, Toshio Matsumoto, Masahiro Abe, Hiroshi Sakaue, Ken-Ichi Aihara
AIM: Accelerated thrombin action is associated with insulin resistance. It is known that upon activation by binding to dermatan sulfate proteoglycans, heparin cofactor Ⅱ(HCⅡ) inactivates thrombin in tissues. Because HCⅡ may be involved in glucose metabolism, we investigated the relationship between plasma HCⅡ activity and insulin resistance. METHODS AND RESULTS: In a clinical study, statistical analysis was performed to examine the relationships between plasma HCⅡ activity, glycosylated hemoglobin (HbA1c), fasting plasma glucose (FPG), and homeostasis model assessment-insulin resistance (HOMA-IR) in elderly Japanese individuals with lifestyle-related diseases...
May 15, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28501766/therapeutic-effects-of-zerumbone-in-an-alkali-burned-corneal-wound-healing-model
#10
Jong Won Kim, Hyuneui Jeong, Myeon-Sik Yang, Chae Woong Lim, Bumseok Kim
Cornea is an avascular transparent tissue. Ocular trauma caused by a corneal alkali burn induces corneal neovascularization (CNV), inflammation, and fibrosis, leading to vision loss. The purpose of this study was to examine the effects of Zerumbone (ZER) on corneal wound healing caused by alkali burns in mice. CNV was induced by alkali-burn injury in BALB/C female mice. Topical ZER (three times per day, 3μl each time, at concentrations of 5, 15, and 30μM) was applied to treat alkali-burned mouse corneas for 14 consecutive days...
May 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28501115/postconditioning-attenuates-coronary-perivascular%C3%A2-and-interstitial-fibrosis-through-modulating-angiotensin-ii-receptors-and-angiotensin-converting-enzyme-2-after-myocardial-infarction
#11
Zhang-Feng Wang, Ning-Ping Wang, Suzanna Harmouche, Tiji Philip, Xue-Fen Pang, Feng Bai, Zhi-Qing Zhao
BACKGROUND: Postconditioning (Postcon) is known to reduce infarct size. This study tested the hypothesis that Postcon attenuates the perivascular and interstitial fibrosis after myocardial infarction through modulating angiotensin II-activated fibrotic cascade. MATERIALS AND METHODS: Male Sprague-Dawley rats were subjected to 45-min coronary occlusion followed by 1 and 6 wk of reperfusion. Postcon was applied at the onset of reperfusion with four cycles of 10/10-s reperfusion-ischemia at the onset of reperfusion...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28497987/elevated-activating-transcription-factor-4-and-glucose-regulated-78-kda-protein-levels-correlate-with-inflammatory-cytokines-in-the-aqueous-humor-and-vitreous-of-proliferative-diabetic-retinopathy
#12
Yanuo Wang, Sha Gao, Yanji Zhu, Xi Shen
PURPOSE: To determine concentrations of endoplasmic reticulum (ER) stress-related factors activating transcription factor 4 (ATF4) and glucose-regulated 78 kDa protein (GRP78) in vitreous and aqueous humor (AqH) of patients with proliferative diabetic retinopathy (PDR) and the correlation of ATF4, GRP78 and inflammatory cytokines interleukin-6(IL-6) and monocyte chemoattractant protein-1 (MCP-1). MATERIALS AND METHODS: AqH and vitreous samples were collected from eyes of patients with PDR and idiopathic macular hole (IMH) which needed vitrectomy...
May 12, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28497030/fda-approved-immunosuppressants-targeting-staphylococcal-superantigens-mechanisms-and-insights
#13
REVIEW
Teresa Krakauer
Immunostimulating staphylococcal enterotoxin B (SEB) and related superantigenic toxins cause diseases in human beings and laboratory animals by hyperactivating cells of the immune system. These protein toxins bind to the major histocompatibility complex class II (MHC II) molecules and specific Vβ regions of T-cell receptors (TCRs), resulting in the stimulation of both monocytes/macrophages and T lymphocytes. The bridging of TCR with MHC II molecules by superantigens triggers intracellular signaling cascades, resulting in excessive release of proinflammatory mediators and massive polyclonal T-cell proliferation...
2017: ImmunoTargets and Therapy
https://www.readbyqxmd.com/read/28496138/severe-bilateral-ischemic-reperfusion-renal-injury-hyperacute-and-acute-changes-in-apparent-diffusion-coefficient-t1-and-t2-mapping-with-immunohistochemical-correlations
#14
Sheung-Fat Ko, Hon-Kan Yip, Yen-Yi Zhen, Chia-Chang Lee, Chen-Chang Lee, Shyh-Jer Huang, Chung-Cheng Huang, Shu-Hang Ng, Jui-Wei Lin
The aim of this study was to investigate the hyperacute and acute changes in apparent diffusion coefficient (ADC), T1, and T2 mapping in rat kidneys after severe bilateral renal ischemic-reperfusion injury (IRI). After baseline MRI, 24 Spraque-Dawley rats with renal IRI were divided equally as group 1 (post-IRI MRI at 6 hours, days 1, 3, and 7) and groups 2, 3, and 4 (post-IRI MRI at 6 hours; 6 hours and day 1; 6 hours, days 1 and 3, respectively), while six other rats without IRI (group 5) were used as sham control...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28492394/sub-saharan-african-migrants-have-slower-initial-cd4-cell-recovery-after-combined-antiretroviral-treatment-initiation-than-french-natives
#15
Rémonie Seng, Mathilde Ghislain, Pierre-Marie Girard, Laurent Cotte, Agnès Meybeck, François Raffi, Sophie Abgrall, Yazdan Yazdanpanah, Cécile Goujard, Rosemary Dray-Spira, Laurence Meyer
OBJECTIVE: Poorer immunologic responses to combined antiretroviral treatment (cART) have been reported among sub-Saharan African (SSA) migrants than among native Europeans. We studied whether differences in CD4 cell recovery between French natives and SSA migrants starting first-line cART could be explained by differences in socioeconomic conditions, inflammatory marker levels, and other established determinants. METHODS: We compared 319 French natives and 175 SSA migrants (ANRS-COPANA cohort)...
June 1, 2017: AIDS
https://www.readbyqxmd.com/read/28490219/recruitment-of-macrophages-from-the-spleen-contributes-to-myocardial-fibrosis-and-hypertension-induced-by-angiotensin-ii
#16
Ning-Ping Wang, James Erskine, Wei-Wei Zhang, Rong-Hua Zheng, Li-Hui Zhang, Garret Duron, Julian Gendreau, Zhi-Qing Zhao
INTRODUCTION: The purpose of this study was to determine whether macrophages migrated from the spleen are associated with angiotensin II-induced cardiac fibrosis and hypertension. METHODS: Sprague-Dawley rats were subjected to angiotensin II infusion in vehicle (500 ng/kg/min) for up to four weeks. In splenectomy, the spleen was removed before angiotensin II infusion. In the angiotensin II AT1 receptor blockade, telmisartan was administered by gastric gavage (10 mg/kg/day) during angiotensin II infusion...
April 2017: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/28489469/significant-se-selectin-levels-reduction-after-6-months-of-anti-tnf-%C3%AE-therapy-in-non-diabetic-patients-with-moderate-to-severe-psoriasis
#17
Fernanda Genre, Susana Armesto, Alfonso Corrales, Raquel López-Mejías, Sara Remuzgo-Martínez, Trinitario Pina, Begoña Ubilla, Verónica Mijares, José Luis Martín-Varillas, Javier Rueda-Gotor, Virginia Portilla, Trinidad Dierssen-Sotos, Marcos Antonio González-López, María Del Carmen González-Vela, Ricardo Blanco, Javier Llorca, José Luis Hernández, Miguel Ángel González-Gay
PURPOSE: Psoriasis patients have high risk of atherosclerosis, characterized by endothelial dysfunction. We aimed to study the association of the endothelial activation biomarkers monocyte chemoattractant protein 1 (MCP-1), soluble (s) E-selectin and P-selectin with disease activity and severity in psoriasis patients treated with anti-TNF-α therapy. Also, to evaluate the relationship of metabolic syndrome features with these biomarkers and the effect of anti-TNF-α therapy on these molecules...
May 10, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28489283/inflammatory-responses-matrix-remodeling-and-re-epithelialization-after-fractional-co2-laser-treatment-of-scars
#18
Danielle M DeBruler, Britani N Blackstone, Molly E Baumann, Kevin L McFarland, Brian C Wulff, Traci A Wilgus, J Kevin Bailey, Dorothy M Supp, Heather M Powell
BACKGROUND AND OBJECTIVE: Fractional CO2 laser therapy has been used to improve scar pliability and appearance; however, a variety of treatment protocols have been utilized with varied outcomes. Understanding the relationship between laser power and extent of initial tissue ablation and time frame for remodeling could help determine an optimum power and frequency for laser treatment. The characteristics of initial injury caused by fractional CO2 laser treatment, the rates of dermal remodeling and re-epithelialization, and the extent of inflammation as a function of laser stacking were assessed in this study in a porcine scar model...
May 10, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28487985/gardenia-jasminoides-has-therapeutic-effects-on-l%C3%A2-nna%C3%A2-induced-hypertension-in%C3%A2-vivo
#19
Shaocheng Chen, Peng Sun, Xin Zhao, Ruokun Yi, Jun Qian, Yanhong Shi, Rui Wang
Gardenia jasminoides is a plant that has been used in traditional Chinese medicine. It has four key active components (genipin gentiobioside, geniposide, crocin 1 and crocin 2). The aim of the present study was to determine the anti‑hypertension effects of Gardenia jasminoidesin vivo. The chemical composition of Gardenia jasminoides was determined using liquid chromatography. The anti‑hypertensive effects of Gardenia jasminoides were determined by a L‑NG‑nitroarginine (L‑NNA)‑induced hypertension animal model...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28484423/evaluation-of-salivary-cytokines-for-diagnosis-of-both-trauma-induced-and-genetic-heterotopic-ossification
#20
Hsiao Hsin Sung Hsieh, Michael T Chung, Ronald M Allen, Kavitha Ranganathan, Joe Habbouche, David Cholok, Jonathan Butts, Arminder Kaura, Ramkumar Tiruvannamalai-Annamalai, Chris Breuler, Caitlin Priest, Shawn J Loder, John Li, Shuli Li, Jan Stegemann, Steven L Kunkel, Benjamin Levi
PURPOSE: Heterotopic ossification (HO) occurs in the setting of persistent systemic inflammation. The identification of reliable biomarkers can serve as an early diagnostic tool for HO, especially given the current lack of effective treatment strategies. Although serum biomarkers have great utility, they can be inappropriate or ineffective in traumatic acute injuries and in patients with fibrodysplasia ossificans progressiva (FOP). Therefore, the goal of this study is to profile the cytokines associated with HO using a different non-invasive source of biomarkers...
2017: Frontiers in Endocrinology
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