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https://www.readbyqxmd.com/read/29454302/aerobic-exercise-inhibits-obesity-induced-respiratory-phenotype
#1
Jefferson Comin Jonco Aquino-Junior, BreAnne MacKenzie, Ana Roberta Almeida-Oliveira, Ana Carolina Martins, Manoel Carneiro Oliveira-Junior, Auriléa Aparecida Britto, Fernanda Magalhaes Arantes-Costa, Nilsa Regina Damaceno-Rodrigues, Elia Garcia Caldini, Ana Paula Ligeiro de Oliveira, Dioze Guadagnini, Luiz Osorio Leiria, Djalma Rabelo Ricardo, Mario Jose Abdalla Saad, Rodolfo Paula Vieira
PURPOSE: Obesity results in decreased lung function and increased inflammation. Moderate aerobic exercise (AE) reduced lung inflammation and remodeling in a variety of respiratory disease models. Therefore, this study investigated whether AE can attenuate a diet-induced obesity respiratory phenotype; including airway hyper-responsiveness (AHR), remodeling and inflammation. METHODS: Sixty C57Bl/6 male mice were distributed into four groups: control lean (CL), exercise lean (EL), obese (O) and obese exercise (OE) groups (2 sets of 7 and 8 mice per group; n = 15)...
February 14, 2018: Cytokine
https://www.readbyqxmd.com/read/29454234/diarylheptanoid-from-rhizomes-of-curcuma-kwangsiensis-dck-inhibited-imiquimod-induced-dendritic-cells-activation-and-th1-th17-differentiation
#2
Qing Liu, Wei Yin, Ling Han, Jiaoyan Lv, Bingji Li, Yuli Lin, Qingsheng Mi, Rui He, Chuanjian Lu
BACKGROUND AND OBJECT: Dendritic cells (DCs) are critical for initiating the activation and differentiation of T cells in inflammatory diseases including psoriasis. Curcuma kwangsiensis S.G. Lee & C.F. Liang is a herb for treating psoriasis and we previously found Diarylheptanoid from rhizomes of Curcuma kwangsiensis (DCK) inhibited keratinocytes proliferation. However, it is unknown whether DCK influences DC functions. Thus we aimed to explore whether DCK affect the major immunological functions of DCs...
February 14, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29453986/sterol-o-acyltransferase-1-deficiency-improves-defective-insulin-signaling-in-the-brains-of-mice-fed-a-high-fat-diet
#3
Ning Xu, Hao Meng, Tian-Yi Liu, Ying-Li Feng, Yuan Qi, Dong-Huan Zhang, Hong-Lei Wang
Insulin resistance induced by a high-fat diet (HFD) is related to metabolic diseases, and sterol O-acyltransferase 1 (SOAT1) is a key enzyme for the biosynthesis of cholesteryl ester. In the present study, wild-type (WT) mice and SOAT1-knockout (KO) mice with a C57BL6 background fed a HFD were used to explore the role of SOAT1 in the hypothalamus. The results show that the WT mice exhibited a significant increase in body weight as well as hepatic histologic changes; they also had a lower glucose and insulin tolerance than the WT mice fed a normal diet...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453985/zika-virus-infected-primary-microglia-impairs-npcs-proliferation-and-differentiation
#4
Jin Wang, Jing Liu, Rui Zhou, Xin Ding, Qipeng Zhang, Chenyu Zhang, Liang Li
Zika virus (ZIKV) can lead to severe birth defects especially microcephaly in newborns by infecting human neural progenitors and impairing brain development. However, as the resident immune cells in the brain, the role of microglia in the ZIKV pathology is not clearly defined. To understand the interplay between immune response and neural cells, we investigate the interaction between microglia and NPCs during ZIKV infection. Our results demonstrate that primary microglia infected with ZIKV induces an inflammatory response similar to that in human, producing high level of tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6), interleukin 1β (IL-1β) and inducible nitric oxide synthase (iNOS)...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453978/venlafaxine-prevents-morphine-antinociceptive-tolerance-the-role-of-neuroinflammation-and-the-l-arginine-nitric-oxide-pathway
#5
Mohammad Taghi Mansouri, Bahareh Naghizadeh, Behnam Ghorbanzadeh, Soheila Alboghobeish, Neda Amirgholami, Gholamreza Houshmand, Omar Cauli
Opioid-induced neuroinflammation and the nitric oxide (NO) signal-transduction pathway are involved in the development of opioid analgesic tolerance. The antidepressant venlafaxine (VLF) modulates NO in nervous tissues, and so we investigated its effect on induced tolerance to morphine, neuroinflammation, and oxidative stress in mice. Tolerance to the analgesic effects of morphine were induced by injecting mice with morphine (50 mg/kg) once a day for three consecutive days; the effect of co-administration of VLF (5 or 40 mg/kg) with morphine was similarly tested in a separate group...
February 14, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29453920/effect-of-trans-chalcone-on-hepatic-il-8-through-the-regulation-of-mir-451-in-male-rats
#6
Elham Karimi-Sales, Sajad Jeddi, Arshad Ghaffari-Nasab, Mina Salimi, Mohammad Reza Alipour
OBJECTIVE: Trans-chalcone is a chalcone with hepatoprotective and anti-inflammatory effects. However, the mechanism of these positive effects, especially on miR-451 as an inflammatory regulator, is poorly understood. In this regard, this microRNA (miRNA) acts by inhibition of hepatic interleukin-8 (IL-8) production in the liver which is one of the main proinflammatory cytokines. Th is study for the first time examined the effect of trans-chalcone on miR-451/IL-8 pathway. METHODS: In present study, 21 male rats were randomly divided into 3 groups (n=7 per each group): control which received solvent (NS), groups 2 (N2T) and 3 (N6T), which received transchalcone for 2 and 6 weeks, respectively...
January 1, 2018: Endocrine Regulations
https://www.readbyqxmd.com/read/29453746/effect-of-aerobic-exercise-on-treg-and-th17-of-rats-with-ischemic-cardiomyopathy
#7
Zhisong Chen, Wenwen Yan, Yu Mao, Yi Ni, Lin Zhou, Haoming Song, Wenjun Xu, Leming Wang, Yuqin Shen
Immune activation and inflammation participate in the progression of chronic heart failure (CHF). Th17 cells and CD4+CD25+ regulatory T (Treg) cells both come from naive Th cells and share reciprocal development pathways but exhibit opposite effects. We hypothesized that the Th17/Treg balance was impaired in patients with CHF, and exercise can improve it. Rats with ischemic cardiomyopathy were prepared by ligaturing the left anterior descending branch of the left coronary artery. Rats in training group were trained with treadmill; Th17 cells increased significantly while Treg cells significantly decreased in s by flow cytometry, and the peripheral blood level of IL-6, IL-17, and TNF-α was obviously elevated by ELISA assay...
February 16, 2018: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/29453342/prediction-of-coronary-disease-incidence-by-biomarkers-of-inflammation-oxidation-and-metabolism
#8
Isaac Subirana, Montserrat Fitó, Oscar Diaz, Joan Vila, Albert Francés, Eva Delpon, Juan Sanchis, Roberto Elosua, Daniel Muñoz-Aguayo, Irene R Dégano, Jaume Marrugat
The effect of circulating biomarkers in predicting coronary artery disease (CAD) is not fully elucidated. This study aimed to determine the relationship with CAD and the predictive capacity of nine biomarkers of inflammation (TNF-α, IL-10, IL-6, MCP-1, CRP), oxidation (GHS-Px), and metabolism (adiponectin, leptin, and insulin). This was a case-cohort study, within the REGICOR population-cohorts (North-Eastern Spain), of 105 CAD cases and 638 individuals randomly selected from a cohort of 5,404 participants aged 35-74 years (mean follow-up = 6...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453087/interleukin-6-is-an-independent-predictor-of-progressive-atherosclerosis-in-the-carotid-artery-the-troms%C3%A3-study
#9
Agnethe Eltoft, Kjell Arne Arntzen, Tom Wilsgaard, Ellisiv B Mathiesen, Stein Harald Johnsen
BACKGROUND AND AIMS: Novel biomarkers are linked to cardiovascular disease (CVD). The aim of the present study was to investigate the association between 28 blood biomarkers and the formation and progression of carotid plaque. METHODS: In a nested case control study with 703 participants from the population based Tromsø Study, a large biomarker panel was measured in blood obtained at baseline. Carotid ultrasound was assessed both at baseline and at 6 years of follow-up...
February 7, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29453046/molecular-chemoprevention-by-morin-a-plant-flavonoid-that-targets-nuclear-factor-kappa-b-in-experimental-colon-cancer
#10
Sharada H Sharma, Jayasurya Suresh Kumar, David Raj Chellappan, Sangeetha Nagarajan
Colorectal cancer is the third most common cancer worldwide. The development of effective, inexpensive and safe chemopreventive agents would be of great benefit as it involves use of natural products to prevent or suppress the progression of precursor lesions. Morin a flavonoid found in figs (Ficus carica) and other plants is shown to inhibit 1,2-dimethylhydrazine (DMH) induced colon cancer progression in a short term and long term model of colon cancer rats; however, the molecular target for the colon cancer chemoprotective efficacy of morin is yet to be discovered...
February 13, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29453023/implications-of-altered-maternal-cytokine-concentrations-on-infant-outcomes-in-children-with-prenatal-alcohol-exposure
#11
K D Sowell, J Y Uriu-Adams, J Van de Water, C D Chambers, C D Coles, J A Kable, L Yevtushok, N Zymak-Zakutnya, W Wertelecki, C L Keen
Excessive alcohol consumption has been shown to increase serum plasma levels of numerous immune cytokines. Maternal immune activation and elevated cytokines have been implicated in certain neurological disorders (e.g., autism and schizophrenia) in the offspring. We investigated the hypothesis that elevated cytokines during pregnancy are a risk factor in women who gave birth to a child with Fetal Alcohol Spectrum Disorder (FASD) or a child with neurobehavioral impairment, regardless of prenatal alcohol exposure...
August 12, 2017: Alcohol
https://www.readbyqxmd.com/read/29452961/dipeptidyl-peptidase-4-inhibitors-dpp-4i-combined-with-vitamin-d3-an-exploration-to-treat-new-onset-type-1-diabetes-mellitus-and-latent-autoimmune-diabetes-in-adults-in-the-future
#12
Marcelo Maia Pinheiro, Felipe Moura Maia Pinheiro, Maria Luisa Trabachin
Type 1 diabetes mellitus (T1DM) is a chronic autoimmune disease characterized by destruction of pancreatic beta cells through cell injury caused primarily by cytotoxic T lymphocytes (CD8 + ). The pathophysiological basis of T1DM seems to be an imbalance between a reduced function of T regulatory lymphocytes and an increased inflammatory activity of Th17 lymphocytes caused by increased production of inflammatory cytokines, as IL-1β, IL-6, IL-17 and IFN-gamma due to environmental factors and genetic predisposition...
February 13, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29452810/interleukin-6-is-both-necessary-and-sufficient-to-produce-perioperative-neurocognitive-disorder-in-mice
#13
J Hu, X Feng, M Valdearcos, D Lutrin, Y Uchida, S K Koliwad, M Maze
BACKGROUND: Perioperative neurocognitive disorders (PND) result in long-term morbidity and mortality with no effective interventions available. Because interleukin-6 (IL-6), a pro-inflammatory cytokine, is consistently up-regulated by trauma, including after surgery, we determined whether IL-6 is a putative therapeutic target for PND in a mouse model. METHODS: Following institutional approval, adult (12-14 weeks) male C57/Bl6 mice were pretreated with the IL-6 receptor (IL6R) blocking antibody tocilizumab prior to open tibia fracture with internal fixation under isoflurane anaesthesia...
March 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29452720/evaluation-of-the-biological-activities-of-the-il-15-superagonist-complex-alt-803-following-intravenous-versus-subcutaneous-administration-in-murine-models
#14
Bai Liu, Monica Jones, Lin Kong, Terra Noel, Emily K Jeng, Sixiang Shi, Christopher G England, Sarah Alter, Jeffrey S Miller, Weibo Cai, Peter R Rhode, Hing C Wong
ALT-803 is a fusion protein complex consisting of an interleukin (IL)-15 superagonist and a dimeric IL-15 receptor alpha sushi domain IgG1 Fc fusion protein. When administered to mice, ALT-803 is capable of inducing natural killer (NK) and CD8 + T cell proliferation and activation, and effectively promoting potent anti-tumor responses. Currently, ALT-803 is in clinical trials for treatment of various solid tumors and hematological malignancies. In the initial phase of these clinical studies, intravenous (iv) injection was used according to the route used in pre-clinical efficacy studies...
February 13, 2018: Cytokine
https://www.readbyqxmd.com/read/29452583/does-rituximab-improve-clinical-outcomes-of-patients-with-thyroid-associated-ophthalmopathy-a-systematic-review-and-meta-analysis
#15
Changjun Wang, Qingyao Ning, Kai Jin, Jiajun Xie, Juan Ye
BACKGROUND: The current therapies of thyroid-associated ophthalmopathy (TAO) were still a challenging matter. In this study, we aimed to contrast the impact of before- after rituximab (RTX) therapy in the patients with TAO. METHODS: We searched the PubMed, EMBASE, and SCOPUS databases for articles published up to July 3, 2017. Fixed- or random-effects meta-analysis was used to provide pooled estimates of standard mean difference (SMD) both the primary outcome from clinical activity score (CAS), and secondary outcomes from thyrotropin receptor antibody (TRAb), proptosis, thyroid stimulating hormone (TSH), and interleukin-6 (IL-6) levels...
February 17, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29452577/polymerase-delta-interacting-protein-2-deficiency-protects-against-blood-brain-barrier-permeability-in-the-ischemic-brain
#16
Marina S Hernandes, Bernard Lassègue, Lula L Hilenski, Jonathan Adams, Ning Gao, Chia-Yi Kuan, Yu-Yo Sun, Lihong Cheng, Daniel S Kikuchi, Manuel Yepes, Kathy K Griendling
BACKGROUND: Polymerase δ-interacting protein 2 (Poldip2) is a multifunctional protein that regulates vascular extracellular matrix composition and matrix metalloproteinase (MMP) activity. The blood-brain barrier (BBB) is a dynamic system assembled by endothelial cells, basal lamina, and perivascular astrocytes, raising the possibility that Poldip2 may be involved in maintaining its structure. We investigated the role of Poldip2 in the late BBB permeability induced by cerebral ischemia...
February 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29452192/graded-6-ohda-induced-dopamine-depletion-in-the-nigrostriatal-pathway-evokes-progressive-pathological-neuronal-activities-in-the-subthalamic-nucleus-of-a-hemi-parkinsonian-mouse
#17
Sunghee Estelle Park, Kang-Il Song, Hyungmin Kim, Seok Chung, Inchan Youn
Recent studies have established methods for establishing a rodent model that mimics progressive stages of human Parkinson's disease (PD), via injection of graded doses of 6-hydroxydopamine (6-OHDA) into regions within the nigrostriatal pathway. However, the electrophysiological characteristics of the subthalamic nucleus (STN) in this model have not been fully elucidated in this model. This study aimed to investigate changes in the neuronal activity of the STN in a graded mouse model of PD. Increasing doses of 6-OHDA were unilaterally injected into the medial forebrain bundle (MFB) to produce a hemi-parkinsonian mouse model, mimicking early, moderate, advanced, and severe stages of human PD...
February 13, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29452178/effects-of-canagliflozin-versus-glimepiride-on-adipokines-and-inflammatory-biomarkers-in-type-2-diabetes
#18
W Timothy Garvey, Luc Van Gaal, Lawrence A Leiter, Ujjwala Vijapurkar, James List, Robert Cuddihy, Jimmy Ren, Michael J Davies
OBJECTIVE: Type 2 diabetes and obesity are pro-inflammatory states associated with increased risk of cardiovascular disease. Canagliflozin, an SGLT2 inhibitor, demonstrated superiority in lowering HbA1c versus glimepiride with less hypoglycemia and greater weight reduction via loss of fat mass in a 52-week trial of type 2 diabetes patients. This post hoc, exploratory analysis assessed the effects of canagliflozin versus glimepiride on select adipokines, inflammatory biomarkers, and chemokines...
February 13, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29452101/socs3-deficiency-in-myeloid-cells-promotes-retinal-degeneration-and-angiogenesis-through-arginase-1-up-regulation-in-experimental-autoimmune-uveoretinitis
#19
Mei Chen, Jiawu Zhao, Imran Ha Ali, Stephen Marry, Josy Augustine, Mohajeet Bhuckory, Aisling Lynch, Adrien Kissenpfennig, Heping Xu
The suppressor of cytokine signalling protein 3 (SOCS3) critically controls immune cell activation, although its role in macrophage polarization and function remains controversial. Using experimental autoimmune uveoretinitis (EAU) as a model, we show that inflammation-mediated retinal degeneration is exaggerated and retinal angiogenesis is accelerated in mice with SOCS3 deficiency in myeloid cells (LysM Cre/+ SOCS3 fl/fl ). At the acute stage of EAU, the population of infiltrating neutrophils was increased and the population of macrophages decreased in LysM Cre/+ SOCS3 fl/fl mice compared to that in WT mice...
February 13, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29452077/clinical-outcomes-and-factors-related-with-colonic-perforations-in-patients-receiving-self-expandable-metal-stent-insertion-for-malignant-colorectal-obstruction
#20
Yoo Jin Lee, Jin Young Yoon, Jae Jun Park, Soo Jung Park, Jie-Hyun Kim, Young Hoon Youn, Tae Il Kim, Hyojin Park, Won Ho Kim, Jae Hee Cheon
BACKGROUND AND AIMS: Although colonic perforation is a dreadful adverse event associated with stent placement, data on this topic are sparse. We aimed to investigate the clinical outcomes of colonic perforation and factors related with its occurrence in patients who receiving self-expanding metal stents (SEMSs) for malignant colorectal obstruction. METHODS: We retrospectively reviewed the data of 474 patients with malignant colorectal obstruction who received endoscopic SEMS insertion from April 2004 to May 2011 in the Severance and Gangnam Severance Hospital...
February 13, 2018: Gastrointestinal Endoscopy
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