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https://www.readbyqxmd.com/read/28551814/macrophage-derived-interleukin-1beta-promotes-human-breast-cancer-cell-migration-and-lymphatic-adhesion-in-vitro
#1
Sarah J Storr, Sabreena Safuan, Narmeen Ahmad, Mohammed El-Refaee, Andrew M Jackson, Stewart G Martin
Lymphovascular invasion (LVI), encompassing blood and lymphatic vessel invasion, is an important event in tumourigenesis. Macrophages within the tumour microenvironment are linked to the presence of LVI and angiogenesis. This study investigates the role of macrophage-derived, caspase-1-dependent interleukin-1beta (IL-1β) in an in vitro model of LVI. IL-1β significantly augmented the adhesion and transmigration of breast cancer cell lines MCF7 and MDA-MB-231 across endothelial cell barriers. MDA-MB-231 and MCF7 showed a higher percentage of adhesion to lymphatic endothelial cells than blood endothelial cells following endothelial cell IL-1β stimulation (P < 0...
May 27, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28551707/nutritional-therapy-in-very-early-onset-inflammatory-bowel-disease-a-case-report
#2
Talya L Miller, Dale Lee, Mathew Giefer, Ghassan Wahbeh, David L Suskind
Inflammatory bowel disease (IBD) is a chronic inflammatory disease of the gastrointestinal tract caused by a dysregulated immune response to the fecal microbiota. Very early-onset inflammatory bowel disease (VEO-IBD) refers to a subgroup of pediatric patients with IBD diagnosed before 6 years of age. This subgroup is often characterized by increased severity, aggressive progression, strong family history of IBD, and often poor response to conventional treatments. Nutritional therapies have been utilized to treat IBD, but their role in VEO-IBD is unclear...
May 27, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28551546/omentin-1-prevents-cartilage-matrix-destruction-by-regulating-matrix-metalloproteinases
#3
Zhigang Li, Baoyi Liu, Dewei Zhao, BenJie Wang, Yupeng Liu, Yao Zhang, Borui Li, Fengde Tian
Matrix metalloproteinases (MMPs) play a crucial role in the degradation of the extracellular matrix and pathological progression of osteoarthritis (OA). Omentin-1 is a newly identified anti-inflammatory adipokine. Little information regarding the protective effects of omentin-1 in OA has been reported before. In the current study, our results indicated that omentin-1 suppressed expression of MMP-1, MMP-3, and MMP-13 induced by the proinflammatory cytokine interleukin-1β (IL-1β) at both the mRNA and protein levels in human chondrocytes...
May 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28551494/isoimperatorin-attenuates-airway-inflammation-and-mucus-hypersecretion-in-an-ovalbumin-induced-murine-model-of-asthma
#4
Charith U B Wijerathne, Chang-Seob Seo, Ji-Won Song, Hee-Seon Park, Og-Sung Moon, Young-Suk Won, Hyo-Jung Kwon, Hwa-Young Son
Isoimperatorin (IMP), an active natural furocoumarin, has numerous pharmacologic effects, including anti-inflammatory, analgesic, antispasmodic, and anticancer activities. This study aimed to evaluate the preventive activity of IMP in an ovalbumin (OVA)-induced murine model of asthma and to investigate its possible molecular mechanisms. Female BALB/c mice were sensitized on days 0 and 14 via intraperitoneal injection of 20μg OVA. On days 21-23 after the initial sensitization, the mice received an airway challenge with OVA (1% w/v in PBS) for 1h; meanwhile, IMP (10 or 30mg/kg once daily) was administered by gavage on days 18-23...
May 25, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28551404/harmine-is-an-inflammatory-inhibitor-through-the-suppression-of-nf-%C3%AE%C2%BAb-signaling
#5
Xin Liu, Mingxia Li, Si Tan, Changhong Wang, Shengjie Fan, Cheng Huang
Harmine is a major constituent in a hallucinogenic botanical mixture ayahuasca and medical plant Peganum harmala L.. Peganum harmala L. is used for various illnesses and exhibits anti-inflammatory activity. However, the active constituents remain unclear. Here, we screened the seven alkaloids in P. harmala for their anti-inflammatory activity using an NF-κB reporter assay. We found that harmine and harmol could inhibit NF-κB transactivity. As the most abundant compound, harmine inhibited tumor necrosis factor-α (TNF-α)- and LPS-induced NF-κB transactivity and nuclear translocation in mouse macrophage RAW 264...
May 24, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28551353/the-role-of-interleukin-1%C3%AE-as-a-predictive-biomarker-and-potential-therapeutic-target-during-clinical-ex-vivo-lung-perfusion
#6
Anders S I Andreasson, Lee A Borthwick, Colin Gillespie, Kasim Jiwa, Jonathan Scott, Paul Henderson, Jonny Mayes, Rosalba Romano, Marius Roman, Simi Ali, James E Fildes, Nandor Marczin, John H Dark, Andrew J Fisher
BACKGROUND: Extended criteria donor lungs deemed unsuitable for immediate transplantation can be reconditioned using ex vivo lung perfusion (EVLP). Objective identification of which donor lungs can be successfully reconditioned and will function well post-operatively has not been established. This study assessed the predictive value of markers of inflammation and tissue injury in donor lungs undergoing EVLP as part of the DEVELOP-UK study. METHODS: Longitudinal samples of perfusate, bronchoalveolar lavage, and tissue from 42 human donor lungs undergoing clinical EVLP assessments were analyzed for markers of inflammation and tissue injury...
May 12, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28551094/a-synthetic-peptide-blocking-trpv1-activation-inhibits-uv-induced-skin-responses
#7
So Min Kang, Sangbum Han, Jang-Hee Oh, Young Mee Lee, Chi-Hyun Park, Chang-Yup Shin, Dong Hun Lee, Jin Ho Chung
BACKGROUND: Transient receptor potential type 1 (TRPV1) can be activated by ultraviolet (UV) irradiation, and mediates UV-induced matrix metalloproteinase (MMP)-1 and proinflammatory cytokines in keratinocytes. Various chemicals and compounds targeting TRPV1 activation have been developed, but are not in clinical use mostly due to their safety issues. OBJECTIVE: We aimed to develop a novel TRPV1-targeting peptide to inhibit UV-induced responses in human skin. METHODS: We designed and generated a novel TRPV1 inhibitory peptide (TIP) which mimics the specific site in TRPV1 (aa 701-709: Gln-Arg-Ala-Ile-Thr-Ile-Leu-Asp-Thr, QRAITILDT), Thr(705), and tested its efficacy of blocking UV-induced responses in HaCaT, mouse, and human skin...
May 17, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28551073/ixekizumab-for-the-treatment-of-patients-with-active-psoriatic-arthritis-and-an-inadequate-response-to-tumour-necrosis-factor-inhibitors-results-from-the-24-week-randomised-double-blind-placebo-controlled-period-of-the-spirit-p2-phase-3-trial
#8
Peter Nash, Bruce Kirkham, Masato Okada, Proton Rahman, Benard Combe, Gerd-Ruediger Burmester, David H Adams, Lisa Kerr, Chin Lee, Catherine L Shuler, Mark Genovese
BACKGROUND: Patients who have had inadequate response to tumour necrosis factor inhibitors have fewer treatment options and are generally more treatment refractory to subsequent therapeutic interventions than previously untreated patients. We report the efficacy and safety of ixekizumab, a monoclonal antibody that selectively targets interleukin-17A, in patients with active psoriatic arthritis and previous inadequate response to tumour necrosis factor inhibitors. METHODS: In this double-blind, multicentre, randomised, placebo-controlled, phase 3 study (SPIRIT-P2), patients were recruited from 109 centres across ten countries in Asia, Australia, Europe, and North America...
May 24, 2017: Lancet
https://www.readbyqxmd.com/read/28550901/protective-effect-of-hemopexin-on-systemic-inflammation-and-acute-lung-injury-in-an-endotoxemia-model
#9
Jae Yun Jung, Young Ho Kwak, Ikwan Chang, Woon Yong Kwon, Gil Joon Suh, Dongyoul Choi
BACKGROUND: Hemopexin (HPX) has been identified as an anti-inflammatory agent, but its role in endotoxemia is unclear. The purpose of this study was to determine whether HPX suppresses systemic and lung inflammation in a mouse model of endotoxemia. MATERIALS AND METHODS: At 30 min of intraperitoneal administration of lipopolysaccharide (LPS; 10 mg/kg), either distilled water (LPS-only treated animals) or HPX (5 mg/kg) was injected into mice via the tail vein, and the survival rates were analyzed after 36 h...
May 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28550899/combined-effect-of-substance-p-and-curcumin-on-cutaneous-wound-healing-in-diabetic-rats
#10
Vinay Kant, Dinesh Kumar, Raju Prasad, Anu Gopal, Nitya N Pathak, Pawan Kumar, Surender K Tandan
BACKGROUND: Our earlier studies demonstrated that topically applied substance P (SP) or curcumin on excision skin wound accelerated the wound healing in streptozotocin-induced diabetic rats. In the present study, we aimed to evaluate the wound healing potential of combination of SP and curcumin in diabetic rats. MATERIALS AND METHODS: Open cutaneous excision wound was created on the back of each of the 60 diabetic rats. Wound-inflicted rats were equally divided into three groups namely, control, gel treated, and SP + curcumin treated...
May 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28550897/cross-talk-between-inflammatory-cytokines-and-granulocyte-macrophage-colony-stimulating-factor-in-transplant-vasculopathy
#11
Antonio V Sterpetti, Valeria Borrelli, Marco Ventura, Alessandra Cucina
BACKGROUND: Transplant vasculopathy limits the clinical results of solid organ transplantation. MATERIALS AND METHODS: Thirty-three arterial grafts were implanted in the abdominal aorta of Lewis rats. The animals were humanely sacrificed 4 wk after surgery. The study groups had 15 arterial isografts and 18 arterial allografts. Growth factors and inflammatory cytokines, released by the removed grafts, were studied in organ culture. The released growth factors were analyzed in vitro to assess their effect on the proliferation of endothelial, smooth muscle cells and fibroblasts...
May 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28550734/pterostilbene-alleviates-polymicrobial-sepsis-induced-liver-injury-possible-role-of-sirt1-signaling
#12
Xiaojing Liu, Xueliang Yang, Lingna Han, Feng Ye, Min Liu, Wanhu Fan, Kai Zhang, Ying Kong, Jian Zhang, Lei Shi, Yunru Chen, Xi Zhang, Shumei Lin
Liver injury occurs frequently during sepsis. Pterostilbene (Pte), a natural dimethylated analog of resveratrol from blueberries, exerts anti-inflammatory and anti-apoptotic effects in various diseases. However, the role of Pte in sepsis-induced liver injury and its underlying mechanisms remain unknown. The current study aimed to evaluate the protective effects of Pte on sepsis-induced liver injury and its potential mechanisms. Sepsis was induced using cecal ligation and puncture (CLP) in C57BL/6 mice. Mice were administered Pte (5, 10, 15mg/kg, i...
May 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28550733/immune-regulation-mechanism-of-astragaloside-iv-on-raw264-7-cells-through-activating-the-nf-%C3%AE%C2%BAb-mapk-signaling-pathway
#13
Yu Li, Tingting Meng, Ning Hao, Huanqing Tao, Suping Zou, Manman Li, Pengfei Ming, Hongyan Ding, Jihong Dong, Shibin Feng, Jinchun Li, Xichun Wang, Jinjie Wu
The present study was designed to investigate the effects of Astragaloside IV (ASIV) on the immune functions of RAW264.7 cells. Compared with control group, the concentrations of interleukin 1β (IL-1β), tumor necrosis factor α (TNF-α) and nitric oxide (NO) were higher in the 100μg/mL ASIV-treatment group. The interleukin 6 (IL-6) concentration was significantly higher in the 50 and 100μg/mL ASIV-treatment groups. The relative mRNA expression levels of IL-1β, TNF-α and inducible nitric oxide synthase (iNOS) were significantly higher in the 50 and 100μg/mL ASIV-treatment groups...
May 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28550731/xanthotoxin-suppresses-lps-induced-expression-of-inos-cox-2-tnf-%C3%AE-and-il-6-via-ap-1-nf-%C3%AE%C2%BAb-and-jak-stat-inactivation-in-raw-264-7-macrophages
#14
Seung-Bin Lee, Woo Seok Lee, Ji-Sun Shin, Dae Sik Jang, Kyung Tae Lee
Although xanthotoxin has been reported to possess skin-protective and anti-oxidative properties, its anti-inflammatory capacity has not been studied to date. Therefore, we investigated this role as well as the molecular mechanisms of xanthotoxin in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. Xanthotoxin inhibited production of nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor (TNF-α), and interleukin-6 (IL-6) by the LPS-induced macrophages in a concentration-dependent manner. It also suppressed the LPS-induced inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) expression at the protein levels and iNOS, COX-2, TNF-α, and IL-6 at the mRNA levels...
May 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28550396/genistein-protects-against-ox-ldl-induced-inflammation-through-microrna-155-socs1-mediated-repression-of-nf-%C3%A4-b-signaling-pathway-in-huvecs
#15
Huaping Zhang, Zhenxiang Zhao, Xuefen Pang, Jian Yang, Haixia Yu, Yinhong Zhang, Hui Zhou, Jiahui Zhao
Genistein plays an important role in the prevention of atherosclerosis. However, the underlying mechanisms have not been fully investigated. In this study, human umbilical vein endothelial cells (HUVECs) were pretreated with genistein (10, 100, and 1000 nM) for 6 h and then exposed to ox-LDL (50 mg/L) for another 24 h. Results showed that ox-LDL induced the expressions of E-selectin, P-selectin, monocyte chemotactic protein-1, interleukin-8, vascular adhesion molecule-1, and intercellular adhesion molecule-1, which were counteracted by genistein...
May 27, 2017: Inflammation
https://www.readbyqxmd.com/read/28550372/tnf%C3%AE-induced-dlk-activation-contributes-to-apoptosis-in-the-beta-cell-line-hit
#16
Svenja Börchers, Rohollah Babaei, Catarina Klimpel, Jorge Duque Escobar, Sabine Schröder, Roland Blume, Muhammad Nasir Hayat Malik, Elke Oetjen
Reduction in beta-cell mass and function contributes to the pathogenesis of diabetes mellitus type 2. The proinflammatory cytokines tumor necrosis factor (TNF)α and interleukin (IL)-1β have been implicated in the pathogenesis of this disease. Overexpression of the dual leucine zipper kinase (DLK) inhibits beta-cell function and induces apoptosis in the beta-cell line HIT. In the present study, it was investigated whether TNFα or IL-1β stimulates DLK enzymatic activity. Immunoblot analysis, transient transfection with luciferase reporter gene assays, and immunofluorescence were used...
May 27, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28550144/exacerbation-of-oxygen-glucose-deprivation-induced-blood-brain-barrier-disruption-potential-pathogenic-role-of-interleukin-9-in-ischemic-stroke
#17
Sha Tan, Yilong Shan, Yuge Wang, Yinyao Lin, Siyuan Liao, Zhezhi Deng, Li Zhou, Wei Cai, Qin Zeng, Lei Zhang, Bingjun Zhang, Xuejiao Men, Haiyan Li, Xueqiang Hu, Changyou Wu, Lisheng Peng, Zhengqi Lu
Interleukin (IL) -9 exerts a variety of functions in autoimmune diseases. However, its role in ischemic brain injury remains unknown. The present study explored the biological effects of IL-9 in ischemic stroke. We recruited 42 patients newly diagnosed with ischemic stroke and 22 age- and sex-matched healthy controls. The expression levels of IL-9 and percentages of IL-9-producing T cells, including CD3+CD4+IL-9+ and CD3+CD8+IL-9+ cells, were determined in peripheral blood mononuclear cells (PBMCs) obtained from patients and control individuals...
May 26, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28550091/transgenic-expression-of-il15-improves-antiglioma-activity-of-il13ralpha2-car-t-cells-but-results-in-antigen-loss-variants
#18
Giedre Krenciute, Brooke L Prinzing, Zhongzhen Yi, Meng-Fen Wu, Hao Liu, Gianpietro Dotti, Irina V Balyasnikova, Stephen Gottschalk
Glioblastoma (GBM) is the most aggressive primary brain tumor in adults and is virtually incurable with conventional therapies. Immunotherapy with T cells expressing GBM-specific chimeric antigen receptors (CARs) is an attractive approach to improve outcomes. Although CAR T cells targeting GBM antigens such as IL13Ralpha2 (interleukin 13 Receptor Subunit Alpha 2), HER2 (human epidermal growth factor receptor 2), and EGFRvIII (epidermal growth factor receptor variant III) have had antitumor activity in preclinical models, early phase clinical testing has demonstrated limited antiglioma activity...
May 26, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28549917/dendritic-cell-derived-exosomes-elicit-tumor-regression-in-autochthonous-hepatocellular-carcinoma-mouse-models
#19
Zhen Lu, Bingfeng Zuo, Renwei Jing, Xianjun Gao, Quan Rao, Zhili Liu, Han Qi, Hongxing Guo, HaiFang Yin
BACKGROUND & AIMS: Dendritic cell (DC)-derived exosomes (DEXs) form a new class of vaccines for cancer immunotherapy. However their potency in hepatocellular carcinoma (HCC), a life-threatening malignancy with limited treatment options in the clinic and responds poorly to immunotherapy, remains to be investigated. METHODS: Exosomes derived from α-fetoprotein (AFP) - expressing DCs (DEXAFP) were investigated in three different HCC mouse models systemically and tumor growth and microenvironment were monitored...
May 23, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28549861/the-ethanol-extract-of-leonurus-sibiricus-l-induces-antioxidant-antinociceptive-and-topical-anti-inflammatory-effects
#20
Alan Santos Oliveira, Luana Mendonça Cercato, Marília Trindade de Santana Souza, Allan John de Oliveira Melo, Bruno Dos Santos Lima, Marcelo Cavalcante Duarte, Adriano Antunes de Souza Araujo, Ana Mara de Oliveira E Silva, Enilton Aparecido Camargo
ETHNOPHARMACOLOGICAL RELEVANCE: Leonurus sibiricus L. (Lamiaceae), popularly known as motherwort, or "erva-de-macaé" or "rubim" in Brazil, is a plant used for the treatment of inflammatory conditions, but few studies have evaluated this anti-inflammatory activity or other activities that may be relevant. AIM OF THE STUDY: This study was undertaken to investigate the antioxidant, antinociceptive and topical anti-inflammatory effects of the ethanol extract of L. sibiricus (EELs)...
May 23, 2017: Journal of Ethnopharmacology
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