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Inflammatory factors

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https://www.readbyqxmd.com/read/28545190/radiation-exposure-in-patients-with-inflammatory-bowel-disease-a-fourteen-year-review-at-a-tertiary-care-centre-in-malaysia
#1
Jeevinesh Naidu, Zhiqin Wong, Shanthi Palaniappan, Chai Soon Ngiu, Raja Affendi Raja Ali
Background and Aims: Patients with inflammatory bowel disease (IBD) are subjected to a large amount of ionizing radiation during the course of their illness. This may increase their risk of malignancy to a greater level than that due to the disease itself. In Caucasian patients with Crohn’s disease, this has been well documented and recommendations are in place to avoid high radiation imaging protocols. However, there are limited data available on radiation exposure in Asian IBD patients.We therefore sought to identify total radiation exposure and any differences between ethnically diverse ulcerative colitis (UC) and Crohn’s disease (CD) patients at our centre along with determining factors that may contribute to any variation...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28544959/effect-of-different-mineralization-processes-on-in-vitro-and-in-vivo-bone-regeneration-and-osteoblast-macrophage-cross-talk-in-co-culture-system-using-dual-growth-factor-mediated-non-mulberry-silk-fibroin-grafted-poly-%C3%B0-caprolactone-nanofibrous-scaffold
#2
Promita Bhattacharjee, Tapas K Maiti, Debasis Bhattacharya, Samit Kumar Nandi
This study evaluates mineralized nanofibrous polymeric scaffolds at supporting in vitro osteogenic differentiation of human mesenchymal stem cells (hMSCs) and in vivo bone tissue regeneration. Co-electrospin, alternative soaking, and electrodeposition were used to introduce hydroxyapatite in non-mulberry silk fibroin grafted poly(Є-caprolactone) nanofibrous scaffolds. Bone morphogenic protein-2 and Transforming growth factor-β, at a potency ratio of 1:1, are covalently coupled onto the scaffolds. hMSCs proliferation and interactions are studied through MTT and Alamar blue assay and scanning electron and confocal microscopy...
May 16, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28544934/preventive-effect-of-berberine-against-dmba-induced-breast-cancer-in-female-sprague-dawley-rats
#3
Kalyani Chowdary Karnam, Maheswara Ellutla, Lakshmi Narendra Bodduluru, Eshvendar Reddy Kasala, Shravan Kumar Uppulapu, Malayamarutham Kalyankumarraju, Mangala Lahkar
Breast cancer is the prime cause for cancer mortality in women worldwide. The importance of diverse natural and dietary agents to reduce the risk of developing breast cancer is well established. Berberine, a natural isoquinoline alkaloid found in many medicinal plants is widely used in traditional Indian and Chinese medicine. Because of its capability to seize the cell cycle and induce apoptosis of numerous malignant cells, berberine has received considerable attention as a potential anticancer agent. In the present study, breast cancer was induced in Sprague Dawley (SD) rats by intragastric administration of 7, 12-dimethylbenz[a]anthracene (DMBA) at a dose of 80mg/kg of body weight...
May 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28544542/conditional-macrophage-depletion-increases-inflammation-and-does-not-inhibit-the-development-of-osteoarthritis-in-obese-mafia-mice
#4
Chia-Lung Wu, Jenna McNeill, Kelsey Goon, Dianne Little, Kelly Kimmerling, Janet Huebner, Virginia Kraus, Farshid Guilak
OBJECTIVE: Macrophages are believed to play a critical role in the inflammation associated with the development of osteoarthritis (OA) in obesity. The objective of the study was to investigate whether short-term, systemic depletion of macrophages would mitigate OA following injury in obese mice. METHODS: CSF-1R-GFP(+) Macrophage Fas-Induced Apoptosis (MaFIA) transgenic mice that allow conditional depletion of macrophages were placed on a high-fat diet and underwent surgery to induce knee OA...
May 23, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28544458/the-prevalence-of-asthma-and-related-symptoms-in-middle-east-countries
#5
REVIEW
Azam Alavinezhad, Mohammad Hossein Boskabady
OBJECTIVES: Asthma is a chronic inflammatory airway disease characterized by reversible airway constriction and airway hyperresponsiveness. Asthma is a worldwide problem and its prevalence varies among different parts of the world. There are insufficient data about the prevalence and risk factors of this disease in Middle East countries. DATA SOURCE: The objective of this review article was to determine the prevalence of asthma in Middle East countries by searching EMBASE, Medline, Web of Science and Google Scholar for articles about asthma prevalence in children and adults in this region...
May 24, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28544341/synthesized-enone-fatty-acids-resembling-metabolites-from-gut-microbiota-suppress-macrophage-mediated-inflammation-in-adipocytes
#6
Ha-Eun Yang, Yongjia Li, Akira Nishimura, Huei-Fen Jheng, Ana Yuliana, Ryuji Kitano-Ohue, Wataru Nomura, Nobuyuki Takahashi, Chu-Sook Kim, Rina Yu, Nahoko Kitamura, Si-Bum Park, Shigenobu Kishino, Jun Ogawa, Teruo Kawada, Tsuyoshi Goto
SCOPE: Recent reports indicate that gut microbiota and their metabolite may regulate inflammatory conditions, including the chronic inflammation of obese adipose tissues, in the host. In this study, we investigated whether specific synthesized fatty acids, identical to the metabolites generated by gut microbiota, act as anti-inflammatory factors in inflammation-induced obesity. METHODS AND RESULTS: We first used lipopolysaccharide-stimulated RAW 264.7 macrophages to examine the anti-inflammatory effect of fatty acids synthesized to resemble representative polyunsaturated fatty acid metabolites from gut microbiota...
May 19, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28544332/fibroblast-growth-factor-2-protects-against-renal-ischaemia-reperfusion-injury-by-attenuating-mitochondrial-damage-and-proinflammatory-signalling
#7
Xiao-Hua Tan, Xiao-Meng Zheng, Li-Xia Yu, Jian He, Hong-Mei Zhu, Xiu-Ping Ge, Xiao-Li Ren, Fa-Qing Ye, Saverio Bellusci, Jian Xiao, Xiao-Kun Li, Jin-San Zhang
Ischaemia-reperfusion injury (I/RI) is a common cause of acute kidney injury (AKI). The molecular basis underlying I/RI-induced renal pathogenesis and measures to prevent or reverse this pathologic process remains to be resolved. Basic fibroblast growth factor (FGF2) is reported to have protective roles of myocardial infarction as well as in several other I/R related disorders. Herein we present evidence that FGF2 exhibits robust protective effect against renal histological and functional damages in a rat I/RI model...
May 24, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28543910/wheatgrass-derived-polysaccharide-has-antiinflammatory-anti-oxidative-and-anti-apoptotic-effects-on-lps-induced-hepatic-injury-in-mice
#8
Sarmila Nepali, Hyeon-Hui Ki, Ji-Hyun Lee, Hoon-Yeon Lee, Dae-Ki Kim, Young-Mi Lee
Hepatic injury occurs frequently during sepsis, and polysaccharides isolated from plants have been reported to have antiinflammatory and antioxidant effects in various models. However, the effect of wheatgrass-derived polysaccharide (WGP) has not been previously studied. In the present study, we investigated the effect of WGP on lipopolysaccharide (LPS)-induced hepatic injury in mice. Mice were pre-treated with WGP (100 or 200 mg/kg daily for 2 days) and then challenged with LPS (1 mg/kg, intraperitoneal), and sacrificed after 12 h...
May 24, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28543864/modulation-of-heme-oxygenase-1-expression-and-activity-affects-streptozotocin-induced-diabetic-nephropathy-in-rats
#9
Marwa A M Ali, Gehan H Heeba, Azza A K El-Sheikh
Heme oxygenase (HO)-1 has exhibited nephro-protective actions in different animal models; however, its full mechanistic potential in diabetic nephropathy (DN) has not yet been elucidated. Hence, the present study has been undertaken by inducing DN in rats using streptozotocin (50mg/kg i.p.), with or without either HO-1 inducer; hemin (HM; 40 μmol/kg, s.c.), or HO-1 blocker; zinc protoporphyrin-IX (ZnPP; 50 μmol/kg, i.p.), for one month. Compared to control, rats with DN suffered from hyperglycemia and hyperlipidemia, with signs of renal damage, as assessed by distortion in renal histopathological architecture and kidney function...
May 23, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28543803/predictive-value-of-inflammatory-factors-on-contrast-induced-acute-kidney-injury-in-patients-who-underwent-an-emergency-percutaneous-coronary-intervention
#10
Ying Yuan, Hong Qiu, Xiaoying Hu, Tong Luo, Xiaojin Gao, Xueyan Zhao, Jun Zhang, Yuan Wu, Shubin Qiao, Yuejin Yang, Runlin Gao
BACKGROUND: Contrast-induced acute kidney injury (CI-AKI) is one of the most serious complications in patients who undergo percutaneous coronary intervention (PCI), especially in those with acute coronary syndrome. It has been shown that inflammation may play an important role in the pathophysiology of CI-AKI. HYPOTHESIS: Inflammatory factors may play a predominant role in the prediction of CI-AKI in patients who undergo emergency PCI. METHODS: Patients who underwent emergency PCI from 2013 to 2015 were consecutively enrolled and were divided into CI-AKI and non-CI-AKI groups...
May 19, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28543680/downregulation-of-mir-7116-5p-in-microglia-by-mpp-sensitizes-tnf-%C3%AE-production-to-induce-dopaminergic-neuron-damage
#11
Qian He, Qing Wang, Chao Yuan, Yizheng Wang
Activation of microglia resulting in exacerbated inflammation expression plays an important role in degeneration of dopaminergic (DA) neurons in the pathogenesis of Parkinson's disease (PD). However, how this enhanced inflammation is induced in microglia remains largely unclear. Here, in the mouse PD model induced by 1-methyl-4-phenyl-1,2,3,6-tetra hydropyridine (MPTP), we found that miR-7116-5p in microglia has a crucial role in this inflammation. 1-methyl-4-phenylpyridinium (MPP(+) ) is uptaken by microglia through organic cation transporter 3 (OCT3) to downregulate miR-7116-5p, an miRNA found to target tumor necrosis factor alpha (TNF-α)...
May 22, 2017: Glia
https://www.readbyqxmd.com/read/28543639/lncrna-rp11-296a18-3-mir-138-hif1a-pathway-regulates-the-proliferation-ecm-synthesis-of-human-nucleus-pulposus-cells-hnpcs-%C3%A2
#12
Xiaobin Wang, Guohua Lv, Jing Li, Bing Wang, Qianshi Zhang, Chang Lu
BACKGROUND: During the process of Intervertebral disc degeneration (IDD), nucleus pulposus apoptosis increases, extracellular matrix (ECM) alters and/or degrades, abnormal proliferation of cells forms cell clusters, and the expression of various inflammatory factors increases. Thus, regulation of human nucleus pulposus cell (HNPC) proliferation and ECM synthesis present promising strategies for IDD treatment. Accumulating evidence indicates that non-coding RNAs are involved in various cellular processes, including cell proliferation, differentiation, apoptosis and metastasis...
May 24, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28542882/butyrate-and-retinoic-acid-synergistically-imprint-mucosal-like-dendritic-cell-development-from-bone-marrow-cells
#13
Yetao Qiang, Jie Xu, Cheng Yan, Huimin Jin, Tengfei Xiao, Nannan Yan, Liping Zhou, Huazhang An, Xiaoming Zhou, Qixiang Shao, Sheng Xia
Accumulating data show that the phenotypes and functions of distinctive mucosal dendritic cells (DCs) in the gut are regulated by retinoic acid (RA). Unfortunately, the exact role of butyrate in RA mediated mucosal DC differentiation has not been thoroughly elucidated to date. Mucosal like dendritic cell differentiation was completed in vitro by culturing bone marrow cells with growth factors (GM-CSF/IL-4), RA and/or butyrate. The phenotypes, cytokine secretion, immune functions and levels of retinal dehydrogenase of different DCs were detected using qPCR, ELISA and flow cytometry, respectively...
May 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28542811/integrative-analyses-reveal-biological-pathways-and-key-genes-in-psoriasis
#14
J Dou, L Zhang, X Xie, L Ye, C Yang, L Wen, C Shen, C Zhu, S Zhao, Z Zhu, B Liang, Z Wang, H Li, X Fan, S Liu, X Yin, X Zheng, L Sun, S Yang, Y Cui, F Zhou, X Zhang
BACKGROUND: Psoriasis is a complex disease that is influenced by both genetic and environmental factors with abnormal gene expression in lesional skin. However, no studies are available on genome-scale gene expression of psoriatic lesions in the Chinese population. In addition, systematic studies on the biological pathways, pathogenicity and interaction networks of psoriasis-related genes with abnormal expression profiles require further investigation. OBJECTIVES: To further explore the associated pathways in psoriasis by functional analysis and to identify the key genes by gene pathogenicity analysis...
May 25, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28542733/the-pathogenesis-of-dermatomyositis
#15
REVIEW
C Thompson, V Piguet, E Choy
This review looks at the many different factors thought to play a role in idiopathic inflammatory myopathies (IIM), concentrating mainly on the dermatomyositis (DM) subtype. Subject areas addressed include looking at the different clinical features of IIM, paying particular attention to the skin manifestations. There is a discussion around investigations needed with their perceived value, followed by a description of the immunohistochemical findings of DM. This review goes on to address other attributing factors such as genetic associations with the different subtypes of IIM, and environmental factors including infections, ultraviolet radiation and vitamin D deficiency and drugs...
May 24, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28542608/increase-in-complement-ic3b-is-associated-with-anti-inflammatory-cytokine-expression-during-late-pregnancy-in-mice
#16
Keigo Nakamura, Kazuya Kusama, Rulan Bai, Sadamasa Ishikawa, Sayuri Fukushima, Yoshihito Suda, Kazuhiko Imakawa
Immunological tolerance between fetal allograft and mother is crucial for pregnancy establishment and maintenance; however, these mechanisms particularly those during the latter part of pregnancy have not been definitively elucidated. The aim of this study was to examine the presence and potential function of innate immunity characteristic to the middle to late pregnancy. We first characterized up-regulated proteins in decidua from day 11 pregnant (P11) mice using 2D-PAGE, followed by MALDI-TOF/MS analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28542591/molecular-characterization-of-mudskipper-boleophthalmus-pectinirostris-hypoxia-inducible-factor-1%C3%AE-hif-1%C3%AE-and-analysis-of-its-function-in-monocytes-macrophages
#17
Feng Guan, Xin-Jiang Lu, Chang-Hong Li, Jiong Chen
Hypoxia-inducible factor-1α (HIF-1α) plays a critical role in immune and inflammatory responses and is important in controlling a variety of processes in monocytes and macrophages. However, very little information is available about the functions of HIF-1α in fish monocytes/macrophages (MO/MФ). In this study, the cDNA sequence of the mudskipper (Boleophthalmus pectinirostris) HIF-1α gene (BpHIF-1α) was determined. Sequence comparison and phylogenetic tree analysis showed that BpHIF-1α is clustered in the fish HIF-1α tree...
2017: PloS One
https://www.readbyqxmd.com/read/28542588/inhibition-of-hmgb1-protects-the-retina-from-ischemia-reperfusion-as-well-as-reduces-insulin-resistance-proteins
#18
Li Liu, Youde Jiang, Jena J Steinle
The role of inflammation in diabetic retinal amage is well accepted. While a number of cytokines and inflammatory mediators are responsible for these changes, upstream regulators are less well studied. Additionally, the role for these upstream mediators in retinal health is unclear. In this study, we hypothesized that inhibition of high mobility group box 1 (HMGB1) could restore normal insulin signaling in retinal endothelial cells (REC) grown in high glucose, as well as protect the retina against ischemia/reperfusion (I/R)-induced retinal damage...
2017: PloS One
https://www.readbyqxmd.com/read/28542587/seminal-plasma-induces-inflammation-and-enhances-hiv-1-replication-in-human-cervical-tissue-explants
#19
Andrea Introini, Stéphanie Boström, Frideborg Bradley, Anna Gibbs, Axel Glaessgen, Annelie Tjernlund, Kristina Broliden
The most immediate and evident effect of mucosal exposure to semen in vivo is a local release of proinflammatory mediators accompanied by an influx of leukocytes into the female genital mucosa (FGM). The implication of such response in HIV-1 transmission has never been addressed due to limitations of currently available experimental models. Using human tissue explants from the uterine cervix, we developed a system of mucosal exposure to seminal plasma (SP) that supports HIV-1 replication. Treatment of ectocervical explants with SP resulted in the upregulation of inflammatory and growth factors, including IL-6, TNF, CCL5, CCL20, CXCL1, and CXCL8, and IL1A, CSF2, IL7, PTGS2, as evaluated by measuring protein levels in explant conditioned medium (ECM) and gene expression in tissue...
May 19, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28542575/the-anti-inflammatory-and-antioxidant-effects-of-melatonin-on-lps-stimulated-bovine-mammary-epithelial-cells
#20
Guang-Min Yu, Hirokazu Kubota, Miki Okita, Teruo Maeda
Mastitis is the most prevalent disease in dairy cattle worldwide and not only causes huge economic losses in the dairy industry but also threatens public health. To evaluate the therapeutic potential of melatonin in mastitis, we examined the ability of melatonin to protect bovine mammary epithelial cells (bMECs) from the harmful effects of lipopolysaccharide (LPS). We found that melatonin inhibited the LPS-binding protein-CD14-TLR4 signaling pathway in bMECs, which had opposing effects on pro-inflammatory and anti-inflammatory mediators...
2017: PloS One
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