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https://www.readbyqxmd.com/read/29040215/role-of-receptor-for-advanced-glycation-end-products-in-regulating-lung-fluid-balance-in-lipopolysaccharide-induced-acute-lung-injury-and-infection-related-acute-respiratory-distress-syndrome
#1
Hao Wang, Tao Wang, Zhicheng Yuan, Yufang Cao, Yongfang Zhou, Junyun He, Yongchun Shen, Ni Zeng, Luqi Dai, Fuqiang Wen, Lei Chen
Receptor for advanced glycation end products (RAGE) is implicated in inflammatory responses in acute lung injury (ALI)/acute respiratory distress syndrome (ARDS), but its role in pulmonary edema formation remains unclear, especially in infection-related ARDS mainly caused by pneumonia or sepsis. In this study, we investigated the role of RAGE in alveolar fluid regulation by using RAGE gene knockout (RAGE) mice in a murine ALI model induced by lipopolysaccharide (LPS), and by comparing soluble RAGE (sRAGE) levels in serum and bronchial alveolar lavage fluid (BALF) between ARDS patients and control subjects...
October 16, 2017: Shock
https://www.readbyqxmd.com/read/29036979/-role-of-ash2-absent-small-or-homeotic-like-and-jumonji-domain-containing-protein-3-on-histone-methylation-of-interferon-gamma-gene-and-their-associations-with-vascular-damage-of-kawasaki-disease
#2
J H Mei, G Tang, Q Wang, P Q Wen, M G Xu, D Cui, D L Ma, C Liu, G B Wang
Objective: To investigate the impacts of ash2 (absent, small, or homeotic)-like (Ash2L) and Jumonji domain-containing protein 3 (Jmjd3) on histone methylation of interferon-gamma(IFN-γ) gene and association with vascular damage of Kawasaki disease (KD) in acute phase. Methods: This study was performed among 36 children with KD in acute phase (KD group) and 28 age-matched health children (control group), who were treated or underwent physical examination in our hospital between February 2015 and June 2016. Patients were further divided into KD groups with or without coronary artery lesions (KD-CAL(+) , 16 cases; KD-CAL(-), 20 cases)...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29036019/targeting-the-interleukin-4-and-interleukin-13-pathways-in-severe-asthma-current-knowledge-and-future-needs
#3
Amit D Parulekar, Christina C Kao, Zuzana Diamant, Nicola A Hanania
PURPOSE OF REVIEW: Severe asthma is a heterogeneous disease that can be classified into phenotypes and endotypes based upon clinical or biological characteristics. Interleukin (IL)-4 and IL-13 play a key role in type 2 (T2) asthma. This article reviews the signaling pathway of IL-4 and IL-13 and highlights its targeted therapy in severe asthma. RECENT FINDINGS: Several clinical trials of biologics targeting the IL-4/IL-13 pathway have recently been completed. In patients with severe, uncontrolled asthma, targeting IL-13 alone with biologics including lebrikizumab and tralokinumab has not shown consistent reduction in asthma exacerbations...
October 13, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/29034589/involvement-of-local-renin-angiotensin-system-in-immunosuppression-of-tumor-microenvironment
#4
Kenta Nakamura, Tomonori Yaguchi, Gaku Ohmura, Asuka Kobayashi, Naoshi Kawamura, Takashi Iwata, Yukiko Kiniwa, Ryuhei Okuyama, Yutaka Kawakami
To improve the current cancer immunotherapies, strategies to modulate various immunosuppressive cells including myeloid derived suppressor cells (MDSCs) which were shown to be negative factors in the immune-checkpoint blockade therapy, need to be developed. In this study, we have evaluated the role of local renin-angiotensin system (RAS) in the tumor immune-microenvironment using murine models bearing tumor cell lines in which RAS was not involved in their proliferation and angiogenetic ability. Administration of angiotensin II receptor blockers (ARBs) to C57BL/6 mice bearing murine colon cancer cell line MC38 resulted in significant enhancement of tumor antigen gp70 specific T cells...
October 16, 2017: Cancer Science
https://www.readbyqxmd.com/read/29034546/bradykinin-system-is-involved-in-endometriosis-related-pain-through-endothelin-1-production
#5
O Yoshino, K Yamada-Nomoto, M Kobayashi, T Andoh, M Hongo, Y Ono, A Hasegawa-Idemitsu, A Sakai, Y Osuga, S Saito
BACKGROUND: Endometriosis is a gynaecological disease exhibiting severe pelvic pain, but the mechanism of pain production remains unknown. Bradykinin (BK) is known as an inflammatory mediator, and shows elevated levels in inflammatory diseases such as rheumatoid arthritis. In the present study, we evaluated whether BK is involved in endometriosis-related pain. METHODS: Endometriotic lesions were used for immunohistochemistry. Primary cultures of endometriotic stromal cells (ESC) were stimulated with IL-1β and/or BK...
October 16, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29034249/misoprostol-inhibits-lipopolysaccharide-induced-pro-inflammatory-cytokine-production-by-equine-leukocytes
#6
Emily Medlin Martin, Kristen M Messenger, Mary Katherine Sheats, Samuel L Jones
Pro-inflammatory cytokines including tumor necrosis factor α (TNFα), IL-1β, IL-6, and IL-8 are potent immune mediators that exacerbate multiple equine diseases such as sepsis and laminitis. Unfortunately, safe and effective cytokine-targeting therapies are lacking in horses; therefore, novel mechanisms of inhibiting cytokine production are critically needed. One potential mechanism for inhibiting cytokine synthesis is elevation of intracellular cyclic AMP (cAMP). In human leukocytes, intracellular cAMP production is induced by activation of E-prostanoid (EP) receptors 2 and 4...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29034104/fibroblasts-the-unknown-sentinels-eliciting-immune-responses-against-microorganisms
#7
REVIEW
Luis Antonio Bautista-Hernández, José Luis Gómez-Olivares, Beatriz Buentello-Volante, Victor Manuel Bautista-de Lucio
Fibroblasts are present in all tissues but predominantly in connective tissues. Some of their functions include contractility, locomotion, collagen and elastin fiber production, and the regulation and degradation of the extracellular matrix. Also, fibroblasts act as sentinels to produce inflammatory mediators in response to several microorganisms. There is evidence that fibroblasts can synthesize toll-like receptors (TLRs), antimicrobial peptides, proinflammatory cytokines, chemokines, and growth factors, which are important molecules involved in innate immune response against microorganisms...
September 2017: European Journal of Microbiology & Immunology
https://www.readbyqxmd.com/read/29033935/cannabinoid-receptor-1-participates-in-liver-inflammation-by-promoting-m1-macrophage-polarization-via-rhoa-nf-%C3%AE%C2%BAb-p65-and-erk1-2-pathways-respectively-in-mouse-liver-fibrogenesis
#8
Lei Tian, Weiyang Li, Le Yang, Na Chang, Xiaoting Fan, Xiaofang Ji, Jieshi Xie, Lin Yang, Liying Li
Macrophage M1/M2 polarization mediates tissue damage and inflammatory responses. Cannabinoid receptor (CB) 1 participated in liver fibrogenesis by affecting bone marrow (BM)-derived monocytes/macrophages (BMMs) activation. However, the knowledge of whether CB1 is involved in the polarization of BMMs remains limited. Here, we found M1 gene signatures (including CD86, MIP-1β, tumor necrosis factor, IL-6, and inducible nitric oxide synthase) and the amount of M1 macrophages (CD86(+) cells, gated by F4/80) were significantly elevated in carbon tetrachloride (CCl4)-induced mouse injured livers, while that of M2 type macrophages had little change by RT-qPCR and fluorescence-activated cell sorting (FACS)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29033903/protective-effect-of-akkermansia-muciniphila-against-immune-mediated-liver-injury-in-a-mouse-model
#9
Wenrui Wu, Longxian Lv, Ding Shi, Jianzhong Ye, Daiqiong Fang, Feifei Guo, Yating Li, Xingkang He, Lanjuan Li
Accumulating evidence indicates that gut microbiota participates in the pathogenesis and progression of liver diseases. The severity of immune-mediated liver injury is associated with different microbial communities. Akkermansia muciniphila can regulate immunologic and metabolic functions. However, little is known about its effects on gut microbiota structure and function. This study investigated the effect of A. muciniphila on immune-mediated liver injury and potential underlying mechanisms. Twenty-two C57BL/6 mice were assigned to three groups (N = 7-8 per group) and continuously administrated A...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29033117/ptger2-activation-induces-ptgs-2-and-growth-factor-gene-expression-in-endometrial-epithelial-cells-of-cattle
#10
Long Gao, Bo Liu, Wei Mao, Ruifeng Gao, Shuangyi Zhang, Duritahala, Changqi Fu, Yuan Shen, Ying Zhang, Nan Zhang, Jindi Wu, Yang Deng, Xing Wu, Jinshan Cao
The prostaglandin E2 receptor 2 (PTGER2) is present in the endometrium and its gene expression is accompanied with endometrial growth, however, it is unknown whether there is endometrial repair through stimulation of growth factor gene expression that is promoted by PTGER2 activation in cattle. The aim of this study was to investigate whether PTGER2 activation can induce prostaglandin-endoperoxide synthase-2 (PTGS-2) and growth factor gene expression by activating PKA and ERK signaling pathways in endometrial epithelial cells of cattle...
October 10, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29033107/soluble-urokinase-type-plasminogen-activator-receptor-supar-and-interleukin-6-levels-in-hyperemesis-gravidarum
#11
Raziye Desdicioglu, Melahat Yildirim, Gulcan Kocaoglu, Busra Demir Cendek, Gamze Avcioglu, Emre Erdem Tas, Ozlem Sengul, Ozcan Erel, Ayse Filiz Yavuz
BACKGROUND: The aim was to compare serum soluble urokinase-type plasminogen activator receptor (suPAR) levels as well as interleukin-6 levels (IL-6) in pregnant women with hyperemesis gravidarum (HG) and asymptomatic pregnant women. METHODS: Our study population consists of voluntary first trimester-pregnant women who applied to the outpatient clinic of the department of obstetrics and gynecology of Ankara Ataturk Training and Research Hospital. Between February and May 2016, 60 pregnant women were included in our prospective study...
October 9, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29030488/long-lived-innate-il-17-producing-%C3%AE-%C3%AE-t-cells-modulate-antimicrobial-epithelial-host-defense-in-the-colon
#12
Abdul Rashid Bin Mohammad Muzaki, Irene Soncin, Yolanda Aphrilia Setiagani, Jianpeng Sheng, Piotr Tetlak, Klaus Karjalainen, Christiane Ruedl
Intestinal IL-17-producing cells, including Th17, γ/δ T, and innate lymphoid cells, are differentially distributed along the gastrointestinal tract. In this study, we show that the gut IL-17-producing γ/δ T (γ/δ T17) cells develop before birth and persist in the tissue as long-lived cells with minimal turnover. Most colon γ/δ T17 cells express, together with Vγ4 and CCR6, the scavenger receptor 2 and are mainly restricted to innate lymphoid follicles in the colon. Colon γ/δ T cells in mice that lack conventional dendritic cells 2 produced increased amounts of IL-17 with concomitant heightened epithelial antimicrobial response, such as the C-type lectins Reg3γ and Reg3β...
October 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29029524/comparative-efficacy-and-safety-of-antibody-induction-therapy-for-the-treatment-of-kidney-a-network-meta-analysis
#13
Mingjie Shao, Tingting Tian, Xinyan Zhu, Yingzi Ming, Yasuko Iwakiri, Shaojun Ye, Qifa Ye
To evaluate the efficacy and safety of antibody induction therapies in kidney transplantation. Systematic literature searches were undertaken using MEDLINE, Embase, and Cochrane Library database from 1980 to 2016. Randomized controlled trials (RCTs) comparing three antibody induction therapies (alemtuzumab, interleukin-2 receptor antibodies and antithymocyte globulin) between each other were identified. Bayesian network meta-analysis was used to combine both the direct and indirect evidence on treatment efficacy and its safety...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29028769/activation-of-the-nuclear-receptor-fxr-improves-intestinal-cell-tolerance-to-ischemia-reperfusion-injury
#14
Xuan Wang, Shuo Li, Man Chen, Jing Liu, Ruirui Dong, Humin Wang, Shigong Zhu
The farnesoid X receptor (FXR) plays an important role in bile acid metabolism, intestinal homeostasis, and intestinal ischemia-reperfusion (I/R) injury. We aimed to clarify the potential effects of FXR on intestinal epithelial cell tolerance to intestinal I/R injury and reveal the underlying mechanisms. An intestinal I/R injury model was established by the occlusion of the superior mesenteric artery for ischemia for 1 h, followed by reperfusion for 4 h in C57BL/6 (wild-type; WT)and FXR mice. The small intestine injury was assessed by histological analysis...
October 12, 2017: Shock
https://www.readbyqxmd.com/read/29026721/expression-of-the-genes-for-peroxisome-proliferator-activated-receptor-%C3%AE-cyclooxygenase-2-and-proinflammatory-cytokines-in-granulosa-cells-from-women-with-polycystic-ovary-syndrome
#15
Joong Yeup Lee, Jin Cheol Tae, Chung Hyon Kim, Doyeong Hwang, Ki Chul Kim, Chang Suk Suh, Seok Hyun Kim
OBJECTIVE: To identify differences in the expression of the genes for peroxisome proliferator-activated receptor (PPAR)-γ, cyclooxygenase (COX)-2, and the proinflammatory cytokines interleukin (IL)-6 and tumor necrosis factor (TNF)-α in granulosa cells (GCs) from polycystic ovary syndrome (PCOS) patients and controls undergoing controlled ovarian stimulation. METHODS: Nine patients with PCOS and six controls were enrolled in this study. On the day of oocyte retrieval, GCs were collected from pooled follicular fluid...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026538/plasma-and-cerebrospinal-fluid-interleukin-1%C3%AE-during-lipopolysaccharide-induced-systemic-inflammation-in-ewes-implanted-or-not-with-slow-release-melatonin
#16
Janina Skipor, Marta Kowalewska, Aleksandra Szczepkowska, Anna Majewska, Tomasz Misztal, Marek Jalynski, Andrzej P Herman, Katarzyna Zabek
BACKGROUND: Interleukin-1β (IL-1β) is important mediator of inflammatory-induced suppression of reproductive axis at the hypothalamic level. At the beginning of inflammation, the main source of cytokines in the cerebrospinal fluid (CSF) is peripheral circulation, while over time, cytokines produced in the brain are more important. Melatonin has been shown to decrease pro-inflammatory cytokines concentration in the brain. In ewes, melatonin is used to advance the onset of a breading season...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29025965/inherited-il-12r%C3%AE-1-deficiency-in-a-child-with-bcg-adenitis-and-oral-candidiasis-a-case-report
#17
Nevin Hatipoglu, B Haluk Güvenç, Caroline Deswarte, Kaya Koksalan, Stéphanie Boisson-Dupuis, Jean-Laurent Casanova, Jacinta Bustamante
Tuberculosis is a major worldwide problem, and protection from it is achieved mainly by live attenuated bacille Calmette-Guérin vaccine, which is capable of causing disease in immunocompromised host. Oral thrush is abnormal in healthy children, which suggests an underlying immunodeficiency. Mendelian susceptibility to mycobacterial disease is a rare primary immunodeficiency characterized by a selective predisposition to weakly virulent Mycobacteria and Salmonella and also predisposition to chronic mucocutaneous candidiasis...
October 12, 2017: Pediatrics
https://www.readbyqxmd.com/read/29023770/c-c-motif-chemokine-ligand-23-abolishes-er-stress-and-lps-induced-reduction-in-proliferation-of-bovine-endometrial-epithelial-cells
#18
Whasun Lim, Hyocheol Bae, Fuller W Bazer, Gwonhwa Song
To reduce embryonic losses in domestic animals for economic production of livestock meat and milk, chemokines and their receptors are required for proper implantation and placentation during early pregnancy. In this study, we investigated the effects of C-C-motif chemokine ligand 23 (CCL23) on the proliferation of bovine endometrial (BEND) epithelial cells. CCL23 treatment improved BEND cell proliferation by enhancing PCNA and cyclin D1 expression via activation of the PI3K/AKT and MAPK signaling pathways. In addition, a combination of CCL23 and tunicamycin reversed the ER stress-induced reduction in cell proliferation and the decreased expression of UPR-mediated signaling proteins, including IRE1α, PERK, and ATF6α...
October 12, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29023581/activating-and-inhibitory-receptors-on-natural-killer-cells-in-patients-with-systemic-lupus-erythematosis-regulation-with-interleukin-15
#19
Syh-Jae Lin, Ming-Ling Kuo, Hsiu-Shan Hsiao, Pei-Tzu Lee, Ji-Yih Chen, Jing-Long Huang
Natural killer (NK) cells may play an important role in the pathogenesis of SLE. Interleukin(IL)-15, an NK-enhancing cytokine, is over-expressed in SLE patients. In the present study, we examined the effect of IL-15 on NK cytotoxicity of SLE patients, and the expression of various activating and inhibitory NK receptors on NK cells from SLE patients in relation to disease activity. We also sought to determine how IL-15 would affect the NK receptor expression on NK cells from SLE patients. PBMCs were collected from 88 SLE patients with inactive disease activity (SLEDAI score<6) and active disease activity (SLEDAI score≥6), 26 age-matched healthy adults were used as controls...
2017: PloS One
https://www.readbyqxmd.com/read/29023393/flavanol-rich-cocoa-powder-interacts-with-lactobacillus-rhamnossus-lgg-to-alter-the-antibody-response-to-infection-with-the-parasitic-nematode-ascaris-suum
#20
Saebyeol Jang, Sukla Lakshman, Ethiopia Beshah, Yue Xie, Aleksey Molokin, Bryan T Vinyard, Joseph F Urban, Cindy D Davis, Gloria I Solano-Aguilar
Consumption of the probiotic bacteria LactobacillusrhamnosusLGG and flavanol-rich cocoa have purported immune modulating effects. This study compared the host response to infection with Ascaris suum in three-month-old pigs fed a standard growth diet supplemented with a vehicle control: LGG, cocoa powder (CP) or LGG + CP. Pigs were inoculated with infective A. suum eggs during Week 5 of dietary treatment and euthanized 17 days later. Lactobacillus abundance was increased in pigs fed LGG or LGG + CP. Specific anti-A...
October 12, 2017: Nutrients
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