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https://www.readbyqxmd.com/read/28738542/protective-effects-of-tannic-acid-on-acute-doxorubicin-induced-cardiotoxicity-involvement-of-suppression-in-oxidative-stress-inflammation-and-apoptosis
#1
Jianping Zhang, Lijing Cui, Xue Han, Yuanyuan Zhang, Xuan Zhang, Xi Chu, Fenghua Zhang, Ying Zhang, Li Chu
Doxorubicin (DOX) is a highly effective drug, but its cardiotoxicity restricts its therapeutic index. Oxidative stress is the major etiopathological factor in DOX-induced cardiotoxicity. Tannic acid (TA) has various anti-cancer, antioxidant, and anti-inflammatory activities. The purpose of the study was to survey the possible effects of TA against acute DOX-induced cardiotoxicity. Male Sprague-Dawleyrats were randomly divided into five groups: control, DOX (10mg/kg) alone, DOX with TA (20 and 40mg/kg), or DOX withcaptopril (30mg/kg) treatments...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738536/effect-of-apigenin-kaempferol-and-resveratrol-on-the-gene-expression-and-protein-secretion-of-tumor-necrosis-factor-alpha-tnf-%C3%AE-and-interleukin-10-il-10-in-raw-264-7-macrophages
#2
Marta Palacz-Wrobel, Paulina Borkowska, Monika Paul-Samojedny, Malgorzata Kowalczyk, Anna Fila-Danilow, Renata Suchanek-Raif, Jan Kowalski
Polyphenols such as apigenin, kaempferol or resveratrol are typically found in plants, including fruits, vegetables, herbs and spices, which have a wide range of biological functions such as antioxidative, anti-inflammatory, vasodilative, anticoagulative and proapoptotic. Discovering such multifunctional compounds in widely consumed plant-based products - ones that both inhibit the release of TNF-α from tissue macrophages and at the same time enhance the secretion of IL-10 - would be an important signpost in the quest for effective pharmacological treatment of numerous diseases that have an inflammatory etiology...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738499/aqueous-extract-of-codium-fragile-suppressed-inflammatory-responses-in-lipopolysaccharide-stimulated-raw264-7-cells-and-carrageenan-induced-rats
#3
Seul Ah Lee, Sung-Min Moon, Yun Hee Choi, Seul Hee Han, Bo-Ram Park, Mi Suk Choi, Jae-Sung Kim, Yong Hwan Kim, Do Kyung Kim, Chun Sung Kim
Codium fragile (Suringar) Hariot has been used in Oriental medicine for the treatment of enterobiasis, dropsy, and dysuria and has been shown to have various biological effects. In this study, we evaluated the anti-inflammatory effects of aqueous extract of C. fragile (AECF) using in vitro and in vivo models. Nitric oxide (NO), prostaglandin E2 (PGE2), inflammatory-related mRNAs, and proteins were determined using the Griess assay, enzyme-linked immunosorbent assay (ELISA), reverse transcription-polymerase chain reaction (RT-PCR), and western blotting, respectively...
July 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738343/mir-26a-b-inhibit-tumor-growth-and-angiogenesis-by-targeting-the-hgf-vegf-axis-in-gastric-carcinoma
#4
Yiran Si, Haiyang Zhang, Tao Ning, Ming Bai, Yi Wang, Haiou Yang, Xinyi Wang, Jialu Li, Guoguang Ying, Yi Ba
BACKGROUND/AIMS: Abnormal expression of HGF is found in various cancers and correlates with tumor proliferation, metastasis and angiogenesis. However, the regulatory mechanism of the HGF-VEGF axis remains unclear. METHODS: The expression characteristic of HGF in human gastric cancer tissues was shown by an immunohistochemistry assay, and the expression levels of target protein were detected by Western blot. The relative levels of miR-26a/b and target mRNA were examined by qRT-PCR...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28738246/crocin-modulates-il-4-il-13-signaling-and-ameliorates-experimentally-induced-allergic-airway-asthma-in-a-murine-model
#5
Haidy Yosri, Wagdi F Elkashef, Eman Said, Nariman M Gameil
Allergic asthma is a chronic respiratory disease with a prevalent T helper (Th2)-mediated immune reaction. Crocin, the major bioactive constituent of saffron, has been reported in multiple studies to have numerous pharmacological activities, including prominent anti-oxidant activities. In the current study, the anti-asthmatic potential of crocin was evaluated. Adult male Swiss Albino mice were administered 10mg of ovalbumin (OVA) mixed with 1mg of aluminum hydroxide intraperitoneally on days 0 and 7 and were administered crocin (25mg/kg) orally daily for 16days...
July 21, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28737763/melanoma-subtypes-demonstrate-distinct-pd-l1-expression-profiles
#6
Genevieve J Kaunitz, Tricia R Cottrell, Mohammed Lilo, Valliammai Muthappan, Jessica Esandrio, Sneha Berry, Haiying Xu, Aleksandra Ogurtsova, Robert A Anders, Alexander H Fischer, Stefan Kraft, Meg R Gerstenblith, Cheryl L Thompson, Kord Honda, Jonathan D Cuda, Charles G Eberhart, James T Handa, Evan J Lipson, Janis M Taube
PD-L1 expression in the tumor immune microenvironment is recognized as both a prognostic and predictive biomarker in patients with cutaneous melanoma, a finding closely related to its adaptive (IFN-γ-mediated) mechanism of expression. Approximately 35% of cutaneous melanomas express PD-L1, however, the expression patterns, levels, and prevalence in rarer melanoma subtypes are not well described. We performed immunohistochemistry for PD-L1 and CD8 on 200 formalin-fixed paraffin-embedded specimens from patients with acral (n=16), mucosal (n=36), uveal (n=103), and chronic sun-damaged (CSD) (n=45) melanomas (24 lentigo maligna, 13 'mixed' desmoplastic, and 8 'pure' desmoplastic melanomas)...
July 24, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28737721/pyranopyran-1-8-dione-an-active-compound-from-vitices-fructus-attenuates-cigarette-smoke-induced-lung-inflammation-in-mice
#7
Gihyun Lee, Kyung-Hwa Jung, Eun Seok Ji, Hyunsu Bae
Previously, we isolated and identified pyranopyran-1,8-dione (PPY) from Viticis Fructus, as a bioactive compound possessing anti-inflammatory properties. The present study was aimed to evaluate the preventive benefit of PPY on cigarette-smoke (CS)-induced lung inflammation. C57BL/6 mice were exposed to CS for 2 weeks while PPY was administrated by oral injection 2 h before CS exposure. To validate the anti-inflammatory effects of PPY, the numbers of immune cells in the bronchoalveolar lavage fluid were counted...
July 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28737711/the-effects-of-artemisinin-on-the-cytolytic-activity-of-natural-killer-nk-cells
#8
Youn Kyung Houh, Kyung Eun Kim, Sunyoung Park, Dae Young Hur, Seonghan Kim, Daejin Kim, Sa Ik Bang, Yoolhee Yang, Hyun Jeong Park, Daeho Cho
Artemisinin, a chemical compound used for the treatment of malaria, has been known to show anti-cancer activity. However, the effect of this chemical on natural killer (NK) cells, which are involved in tumor killing, remains unknown. Here, we demonstrate that artemisinin exerts a potent anti-cancer effect by activating NK cells. NK-92MI cells pre-treated with artemisinin were subjected to a cytotoxicity assay using K562 cells. The results showed that artemisinin significantly enhances the cytolytic activity of NK cells in a dose-dependent manner...
July 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28737645/risk-of-cancer-recurrence-among-individuals-exposed-to-antitumor-necrosis-factor-therapy-a-systematic-review-and-meta-analysis-of-observational-studies
#9
Dejan Micic, Yuga Komaki, Aleksandar Alavanja, David T Rubin, Atsushi Sakuraba
BACKGROUND: Patients with immune-mediated disorders such as ankylosing spondylitis, inflammatory bowel disease, psoriasis and rheumatoid arthritis are increasingly treated with tumor necrosis factor (TNF) inhibitors. The safety of anti-TNF therapy in patients with a history of cancer requires further evaluation. We conducted a systematic review and a meta-analysis of observational studies including patients with a history of cancer exposed to anti-TNF therapy assessing for a risk of new cancer or cancer recurrence...
July 21, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28737488/modulation-of-let-7-mirnas-controls-the-differentiation-of-effector-cd8-t-cells
#10
Alexandria C Wells, Keith A Daniels, Constance C Angelou, Eric Fagerberg, Amy S Burnside, Michele Markstein, Dominique Alfandari, Raymond M Welsh, Elena L Pobezinskaya, Leonid A Pobezinsky
The differentiation of naïve CD8 T cells into effector cytotoxic T lymphocytes upon antigen stimulation is necessary for successful anti-viral, and anti-tumor immune responses. Here, using a mouse model, we describe a dual role for the let-7 microRNAs in the regulation of CD8 T cell responses, where maintenance of the naïve phenotype in CD8 T cells requires high levels of let-7 expression, while generation of cytotoxic T lymphocytes depends upon T cell receptor mediated let-7 downregulation. Decrease of let-7 expression in activated T cells enhances clonal expansion and the acquisition of effector function through derepression of the let-7 targets, including Myc and Eomesodermin...
July 24, 2017: ELife
https://www.readbyqxmd.com/read/28737448/mast-cell-and-m1-macrophage-infiltration-and-local-pro-inflammatory-factors-were-attenuated-with-incretin-based-therapies-in-obesity-related-glomerulopathy
#11
Jiao He, Geheng Yuan, Fangxiao Cheng, Junqing Zhang, Xiaohui Guo
BACKGROUND: The global increase of obesity parallels the obesity-related glomerulopathy (ORG) epidemic. Dipeptidyl peptidase 4 inhibitors and glucagon-like peptide-1 receptor agonists were well recognized to attenuate renal injury independent of glucose control in diabetic nephropathy. There are limited studies focusing on their effects on ORG. We explored the effects of incretin-based therapies on early ORG and the inflammatory responses involved mainly concentrated on mast cell (MC) and macrophage (M) infiltration and local pro-inflammatory factors...
July 24, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28737432/integrin-targeted-nano-sized-polymeric-systems-for-paclitaxel-conjugation-a-comparative-study
#12
Anat Eldar-Boock, Rachel Blau, Claudia Ryppa, Hemda Baabur-Cohen, Ariel Many, María J Vicent, Felix Kratz, Joaquin Sanchis, Ronit Satchi-Fainaro
The generation of rationally-designed polymer therapeutics via the conjugation of low molecular weight anti-cancer drugs to water-soluble polymeric nanocarriers aims to improve the therapeutic index. Here, we focus on applying polymer therapeutics to target two cell compartments simultaneously - tumor cells and angiogenic endothelial cells. Comparing different polymeric backbones carrying the same therapeutic agent and targeting moiety may shed light on any correlation between the choice of polymer and the anti-cancer activity of the conjugate...
July 24, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28736761/phase-ii-study-of-dovitinib-in-patients-progressing-on-anti-vascular-endothelial-growth-factor-therapy
#13
Thomas J Semrad, Edward J Kim, Michael S Tanaka, Jacob Sands, Chris Roberts, Rebekah A Burich, Yu Li, David R Gandara, Primo Lara, Philip C Mack
BACKGROUND: Prior work identified the fibroblast growth factor (FGF) pathway as a mediator of resistance to anti-vascular endothelial growth factor (VEGF) therapy. We tested dovitinib, an inhibitor of both FGF and VEGF receptors, in patients progressing on anti-VEGF treatment. METHODS: Patients with measurable advanced colorectal or non-small cell lung cancer with progression despite anti-VEGF treatment within 56 days, good performance status and adequate organ function were eligible...
2017: Cancer Treat Res Commun
https://www.readbyqxmd.com/read/28736741/elevated-tumor-mutational-burden-and-prolonged-clinical-response-to-anti-pd-l1-antibody-in-platinum-resistant-recurrent-ovarian-cancer
#14
Christopher B Morse, Julia A Elvin, Laurie M Gay, John B Liao
•We report an ovarian cancer patient with a prolonged response to immunotherapy.•Comprehensive genomic profiling may detect patients who benefit from immunotherapy.•Mutational burden thresholds for ovarian cancer may be lower than other cancers.
August 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28736661/brain-tumor-delineation-enhanced-by-moxifloxacin-based-two-photon-cars-combined-microscopy
#15
Viet-Hoan Le, Su Woong Yoo, Yeoreum Yoon, Taejun Wang, Bumju Kim, Seunghun Lee, Kyung-Hwa Lee, Ki Hean Kim, Euiheon Chung
Delineating brain tumor margin is critical for maximizing tumor removal while sparing adjacent normal tissue for better clinical outcome. We describe the use of moxifloxacin-based two-photon (TP)/coherent anti-Stokes Raman scattering (CARS) combined microscopy for differentiating normal mouse brain tissue from metastatic brain tumor tissue based on histoarchitectural and biochemical differences. Moxifloxacin, an FDA-approved compound, was used to label cells in the brain, and moxifloxacin-based two-photon microscopy (TPM) revealed tumor lesions with significantly high cellular density and invading edges in a metastatic brain tumor model...
April 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28736628/predictive-and-prognostic-biomarkers-in-personalized-gastrointestinal-cancer-treatment
#16
REVIEW
Helena Verdaguer, Tamara Saurí, Teresa Macarulla
Biomarkers play an important role in the detection and management of cancer patients. In gastrointestinal cancer, there is increasing interest in their development and validation according to specific tumor type. Prognostic biomarkers enable identification of patients with a more aggressive tumor evolution, while predictive biomarkers permit the identification of patients with a higher probability of responding or not to a specific treatment. Several biomarkers are currently widely employed in gastrointestinal cancers...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28736591/immune-modulation-and-treatment-of-human-papilloma-virus-related-warts-with-energetics-of-living-systems-acupuncture
#17
Rom Brustin, Martine Toledano, Tal Geffen, Raia Goona, Malka Hochberg, Bilha Kreisberg, Sari Murad, Jacob Pitcovski
Background: Cutaneous warts are small skin lesions formed as a result of infection by the human papilloma virus (HPV). In the lesion, viral manipulation creates a microenvironment that favors virus survival and reproduction. Most lesions eventually regress, probably as a result of a Th1-mediated immune response. However, some warts fail to regress and become persistent. Objective: The efficacy of treatment of persistent HPV-caused warts with Energetics of Living Systems acupuncture and monitored immune system involvement was tested...
June 1, 2017: Medical Acupuncture
https://www.readbyqxmd.com/read/28736552/asiatic-acid-exhibits-anti-inflammatory-and-antioxidant-activities-against-lipopolysaccharide-and-d-galactosamine-induced-fulminant-hepatic-failure
#18
Hongming Lv, Zhimin Qi, Sisi Wang, Haihua Feng, Xuming Deng, Xinxin Ci
Inflammation and oxidative stress are essential for the pathogenesis of fulminant hepatic failure (FHF). Asiatic acid (AA), which is a pentacyclic triterpene that widely occurs in various vegetables and fruits, has been reported to possess antioxidant and anti-inflammatory properties. In this study, we investigated the protective effects of AA against lipopolysaccharide (LPS) and d-galactosamine (GalN)-induced FHF and the underlying molecular mechanisms. Our findings suggested that AA treatment effectively protected against LPS/d-GalN-induced FHF by lessening the lethality; decreasing the alanine transaminase and aspartate aminotransferase levels, interleukin (IL)-1β, IL-6, and tumor necrosis factor-α production, malondialdehyde formation, myeloperoxidase level and reactive oxygen species generation (i...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28736431/combined-blockade-of-t-cell-immunoglobulin-and-mucin-domain-3-and-carcinoembryonic-antigen-related-cell-adhesion-molecule-1-results-in-durable-therapeutic-efficacy-in-mice-with-intracranial-gliomas
#19
Jinhu Li, Xiaodong Liu, Yijun Duan, Yueting Liu, Hongqin Wang, Shizhong Lian, Guotao Zhuang, Yimin Fan
BACKGROUND Glioblastoma multiforme (GBM) evades immune surveillance by inducing immunosuppression via receptor-ligand interactions between immune checkpoint molecules. T cell immunoglobulin and mucin domain 3 (Tim-3) is a key checkpoint receptor responsible for exhaustion and dysfunction of T cells and plays a critical role in immunosuppression. Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) has been recently identified as a heterophilic ligand for Tim-3. MATERIAL AND METHODS We established an intracranial GBM model using C57BL/6 mice and GL261 cells, and treated the mice with single or combined monoclonal antibodies (mAbs) against Tim-3/CEACAM1...
July 24, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28736321/an-intraprostatic-modified-release-formulation-of-antiandrogen-2-hydroxyflutamide-for-localized-prostate-cancer
#20
T L Tammela, M Häggman, S Ladjevardi, K Taari, T Isotalo, H Lennernäs, J Weis, C von Below, C Wassberg, B Lennernäs, A Tolf, N Axén, C-G Gölander, H Ahlström
PURPOSE: To investigate tolerability, safety and antitumor effects of a novel intra-prostatic depot formulation of antiandrogen 2-hydroxyflutamide (2-HOF in NanoZolid(®)) in men with localized prostate cancer (PCa). MATERIALS AND METHODS: Two clinical trials, LPC-002 and LPC-003, were conducted on a total of 47 men. The formulation was injected transrectally into the prostate with ultrasound guidance. In LPC-002 the effects on prostate specific antigen (PSA) and prostate volume (PV) were measured over 6 months on 24 patients...
July 20, 2017: Journal of Urology
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