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https://www.readbyqxmd.com/read/28550760/exercise-training-ameliorates-matrix-metalloproteinases-2-and-9-messenger-rna-expression-and-mitigates-adverse-left-ventricular-remodeling-in-streptozotocin-induced-diabetic-rats
#1
Flávio S Silva, Raul H Bortolin, Diego N Araújo, Dáfiny E S Marques, João Paulo M S Lima, Adriana A Rezende, Wouber H B Vieira, Naisandra B Silva, Karina C P Medeiros, Paul W Ackermann, Bento J Abreu, Fernando A L Dias
BACKGROUND: The aim was to investigate whether exercise training (ExT) would ameliorate expression of key genes for myocardial morphostructure and mitigate adverse left ventricular (LV) remodeling in experimental type 1 diabetes (T1D). METHODS AND RESULTS: Male Wistar rats were divided into four groups: sedentary control (SC, n=9), trained control (TC, n=13), sedentary diabetic (SD, n=20), and trained diabetic (TD, n=17). T1D was induced by 40 mg/kg streptozotocin (single dose, i...
May 18, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28550307/therapeutic-effects-of-matrine-derivate-masm-in-mice-with-collagen-induced-arthritis-and-on-fibroblast-like-synoviocytes
#2
Yuming Zou, Quan Li, Denghui Liu, Jia Li, Qing Cai, Chao Li, Qingjie Zhao, Weidong Xu
MASM is a matrine derivate that exhibits a number of pharmacological effects, including immunosuppressive activity and anti-inflammatory properties. In this study, the mechanisms underlying the therapeutic efficacy of MASM in the treatment of rheumatoid arthritis were investigated using DBA/1 mice with collagen-induced arthritis (CIA) and fibroblast-like synoviocytes derived from rheumatoid arthritis patients (RA-FLS). We demonstrated that MASM markedly attenuated the severity of arthritis in CIA mice. The therapeutic effects were associated with ameliorated joint swelling and reduced bone erosion and destruction...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28550172/myocardial-overexpression-of-timp3-following-myocardial-infarction-exerts-beneficial-effects-through-promoting-angiogenesis-and-suppressing-early-proteolysis
#3
Abhijit Takawale, Pu Zhang, Abul Azad, Wang Wang, Xiuhua Wang, Allan G Murray, Zamaneh Kassiri
Myocardial infarction (MI) results in loss of cardiomyocytes, adverse extracellular matrix (ECM) and structural remodeling, left ventricular (LV) dilation and dysfunction. Tissue inhibitor of metalloproteinases (TIMPs) inhibit matrix metalloproteinases (MMPs), the main regulators of ECM turnover. TIMPs also have MMP-independent functions. TIMP3 levels are reduced in the heart within 24 hours of MI in mice. We investigated if overexpression of TIMP3 post-MI limits adverse remodeling, LV dilation and dysfunction...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28549801/methanolic-extract-of-boswellia-serrata-exhibits-anti-cancer-activities-by-targeting-microsomal-prostaglandin-e-synthase-1-in-human-colon-cancer-cells
#4
Tayebe Ranjbarnejad, Massoud Saidijam, Shirin Moradkhani, Rezvan Najafi
BACKGROUND: Colorectal cancer (CRC) is the most common cancer. A proper method to reduce mortality of CRC is chemoprevention to prevent initiation and promotion of intestinal tumorgenesis. One of the promising and developing chemopreventive agents is natural compounds found in plants. Frankincense, the resin extract from the Boswellia specious, has been used in traditional and modern medicine for treating various diseases with very minimal side effects. In the current study, we investigated the anti-cancer activity of methanolic extract of Boswellia serrata (B...
May 23, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28549747/increased-dipeptidyl-peptidase-4-accelerates-diet-related-vascular-aging-and-atherosclerosis-in-apoe-deficient-mice-under-chronic-stress
#5
Yanna Lei, Guang Yang, Lina Hu, Limei Piao, Aiko Inoue, Haiying Jiang, Takeshi Sasaki, Guangxian Zhao, Maimaiti Yisireyili, Chenglin Yu, Wenhu Xu, Kyosuke Takeshita, Kenji Okumura, Masafumi Kuzuya, Xian Wu Cheng
OBJECTIVES: Exposure to psychosocial stress is a risk factor for cardiovascular disease. Given that dipeptidyl peptidase-4 (DPP4) regulates several intracellular signaling pathways associated with glucagon-like peptide-1 (GLP-1) metabolism, we investigated the role of DPP4 in stress-related vascular senescence and atherosclerosis in apolipoprotein E-deficient (ApoE(-/-)) mice. METHODS AND RESULTS: ApoE(-/-) mice fed a high-fat (HF) diet were randomly assigned to one of non-stress and immobilized stress groups for 12weeks...
May 16, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28548952/bisphenol-a-exposure-promotes-htr-8-svneo-cell-migration-and-impairs-mouse-placentation-involving-upregulation-of-integrin-%C3%AE-1-and-mmp-9-and-stimulation-of-mapk-and-pi3k-signaling-pathways
#6
Xi Lan, Li-Juan Fu, Jun Zhang, Xue-Qing Liu, Hui-Jie Zhang, Xue Zhang, Ming-Fu Ma, Xue-Mei Chen, Jun-Lin He, Lian-Bing Li, Ying-Xiong Wang, Yu-Bin Ding
In this study, we investigated the effect of Bisphenol A (BPA), an endocrine-disrupting chemical, on the migration of human trophoblasts and mouse placentation by using the primary extravillous trophoblast (EVT) and its cell line HTR-8/SVneo, villous explant cultures, and pregnant mice. BPA increased EVT motility and the outgrowth of villous explants in a dose-dependent manner. BPA also increased the protein levels of integrin-β1 and matrix metalloproteinase (MMP)-9 in human EVTs. Low-dose BPA (≤50 mg) increased the protein levels of MMP-9 and MMP-2 as well as integrin-β1 and integrin-α5 in mouse placenta and decreased the proportion of the labyrinth and spongiotrophoblast layers...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548299/a-noninvasive-diagnosis-of-hepatic-fibrosis-by-biofibroscore%C3%A2-in-chronic-hepatitis-c-patients
#7
Chen-Hua Liu, Chun-Jen Liu, Chun-Ming Hong, Tung-Hung Su, Hung-Chih Yang, Kuei-Ming Chen, Yi-Ping Huang, Yu-Ming Yeh, Hui-Lan Tien, Yuan-Chih Liu, Jia-Horng Kao, Ding-Shinn Chen, Pei-Jer Chen
BACKGROUND & AIMS: The diagnostic accuracy of a novel serological panel (BioFibroScore®) to predict hepatic fibrosis in patients with chronic hepatitis C virus (HCV) infection is unknown. METHODS: Three markers of BioFibroScore®, including urokinase plasminogen activator (uPA), matrix metalloproteinase-9 (MMP-9), and beta-2 microglobulin (β2M), were retrospectively evaluated in 635 HCV-infected patients who received percutaneous liver biopsy and FibroScan®. The formula of BioFibroScore® to predict the severity of hepatic fibrosis was developed by Adaboost algorithm...
May 26, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28548231/combination-therapy-with-telmisartan-and-parecoxib-induces-regression-of-endometriotic-lesions
#8
Anca Nenicu, Yuan Gu, Christina Körbel, Michael D Menger, Matthias W Laschke
BACKGROUND AND PURPOSE: Telmisartan suppresses the development of endometriotic lesions. However, the drug also up-regulates the expression of cyclooxygenase (COX)-2, which has been suggested to promote the progression of endometriosis. Accordingly, we herein analysed whether a combination therapy with telmisartan and a COX-2 inhibitor may be more effective in the treatment of endometriotic lesions than application of telmisartan alone. EXPERIMENTAL APPROACH: Endometriotic lesions were induced in the peritoneal cavity of C57BL/6 mice, which were daily treated with an intraperitoneal (i...
May 26, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28547726/stroke-induces-mesenchymal-stem-cell-migration-to-infarcted-brain-areas-via-cxcr4-and-c-met-signaling
#9
Oh Young Bang, Gyeong Joon Moon, Dong Hee Kim, Ji Hyun Lee, Sooyoon Kim, Jeong Pyo Son, Yeon Hee Cho, Won Hyuk Chang, Yun-Hee Kim
Mesenchymal stem cells circulate between organs to repair and maintain tissues. Mesenchymal stem cells cultured with fetal bovine serum have therapeutic effects when intravenously administered after stroke. However, only a small number of mesenchymal stem cells reach the brain. We hypothesized that the serum from stroke patients increases mesenchymal stem cells trophism toward the infarcted brain area. Mesenchymal stem cells were grown in fetal bovine serum, normal serum from normal rats, or stroke serum from ischemic stroke rats...
May 25, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28546919/cell-viability-and-extracellular-matrix-synthesis-in-a-co-culture-system-of-corneal-stromal-cells-and-adipose-derived-mesenchymal-stem-cells
#10
Ting Shen, Jiang Shen, Qing-Qing Zheng, Qiu-Shi Li, Hai-Lan Zhao, Lei Cui, Chao-Yang Hong
AIM: To investigate the impact of adipose-derived mesenchymal stem cells (ADSCs) on cell viability and extracellular matrix (ECM) synthesis of corneal stromal cells (CSCs). METHODS: ADSCs and CSCs were obtained from the corneas of New Zealand white rabbits and indirectly co-cultured in vitro. The proliferative capacity of CSCs in the different groups was assessed by CCK-8 assays. Annexin V-fluorescein isothiocyanate (FITC)/proliferation indices (PI) assays were used to detect the apoptosis of CSCs...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546769/treatment-of-chronic-low-back-pain-new-approaches-on-the-horizon
#11
REVIEW
Nebojsa Nick Knezevic, Shane Mandalia, Jennifer Raasch, Ivana Knezevic, Kenneth D Candido
Back pain is the second leading cause of disability among American adults and is currently treated either with conservative therapy or interventional pain procedures. However, the question that remains is whether we, as physicians, have adequate therapeutic options to offer to the patients who suffer from chronic low back pain but fail both conservative therapy and interventional pain procedures before they consider surgical options such as discectomy, disc arthroplasty, or spinal fusion. The purpose of this article is to review the potential novel therapies that are on the horizon for the treatment of chronic low back pain...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28546218/adamts5-deficiency-in-calcified-aortic-valves-is-associated-with-elevated-pro-osteogenic-activity-in-valvular-interstitial-cells
#12
Fei Li, Rui Song, Lihua Ao, T Brett Reece, Joseph C Cleveland, Nianguo Dong, David A Fullerton, Xianzhong Meng
OBJECTIVE: Extracellular matrix proteinases are implicated in the pathogenesis of calcific aortic valve disease. The ADAMTS5 (a disintegrin and metalloproteinase with thrombospondin motifs 5) enzyme is secreted, matrix-associated metalloendopeptidase, capable of degrading extracellular matrix proteins, particularly matrilin 2. We sought to determine the role of the ADAMTS5/matrilin 2 axis in mediating the phenotype transition of valvular interstitial cells (VICs) associated with calcific aortic valve disease...
May 25, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28546076/sirna-knockdown-of-adamts-13-modulates-endothelial-cell-angiogenesis
#13
Huiyuan Tang, Manfai Lee, Eun Ho Kim, Daniel Bishop, George M Rodgers
ADAMTS-13, a disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13, is a zinc-containing metalloprotease that cleaves von Willebrand factor (vWf). Previous publications by our laboratory have shown that ADAMTS-13 may also be involved in angiogenesis. For this study, we report the successful transient knockdown of endogenous ADAMTS-13 in human umbilical vein endothelial cells (HUVEC) via siRNA and the effects of reduced endogenous ADAMTS-13 on HUVEC angiogenesis functions. 15nM of ADAMTS-13 siRNA reduced HUVEC ADAMTS-13 protein levels by 90% after 24h incubation, whereas control siRNA did not affect endogenous ADAMTS-13 levels...
May 22, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28545897/resveratrol-relieves-angiostrongylus-cantonensis-induced-meningoencephalitis-by-activating-sirtuin-1
#14
An-Chih Chen, Ling-Yuh Shyu, Yue-Loong Hsin, Ke-Min Chen, Shih-Chan Lai
Resveratrol, a natural herbal compound found in high levels in grapes and red wine, is frequently used as activator of sirtuin-1. This study investigated the potential function of sirtuin-1 in regulating angiostrongyliasis meningoencephalitis in resveratrol-treated mice. Mice were subjected to meningoencephalitis to study the protective effect of resveratrol against meningoencephalitis and investigate the effects of sirtuin-1 activation on brain. Results demonstrated that sirtuin-1 level decreased in mice with meningoencephalitis and significantly increased in resveratrol-treated mice...
May 22, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28545810/thymic-stromal-lymphopoietin-and-apocynin-alter-the-expression-of-airway-remodeling-factors-in-human-rhinovirus-infected-cells
#15
Joanna Wieczfinska, Rafal Pawliczak
Airway remodeling is a characteristic of bronchial asthma. The process involves the expression of many genes, such as transforming growth factor-beta (TGF-β), tissue inhibitors of metalloproteinases (TIMP-1), MMP and arginase. Human rhinovirus (HRV) is known to cause asthma exacerbations, and viral infections might be involved in the development of airway remodeling. Therefore, the aim of this study was to determine the influence of HRV on the genes involved in airway remodeling and to examine the impact of thymic stromal lymphopoietin (TSLP) and contribution of oxidative stress on airway remodeling in the context of HRV infection...
May 16, 2017: Immunobiology
https://www.readbyqxmd.com/read/28545547/clonorchis-sinensis-granulin-identification-immunolocalization-and-function-in-promoting-the-metastasis-of-cholangiocarcinoma-and-hepatocellular-carcinoma
#16
Caiqin Wang, Huali Lei, Yanli Tian, Mei Shang, Yinjuan Wu, Ye Li, Lu Zhao, Mengchen Shi, Xin Tang, Tingjin Chen, Zhiyue Lv, Yan Huang, Xiaoping Tang, Xinbing Yu, Xuerong Li
BACKGROUND: Long-term infections by Clonorchis sinensis are associated with cholangitis, cholecystitis, liver fibrosis, cirrhosis, and even liver cancer. Molecules from the worm play vital roles in disease progress. In the present study, we identified and explored molecular characterization of C. sinensis granulin (CsGRN), a growth factor-like protein from C. sinensis excretory/secretory products (CsESPs). METHODS: The encoding sequence and conserved domains of CsGRN were identified and analysed by bioinformatics tools...
May 25, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28545495/the-impact-of-human-adipose-tissue-derived-stem-cells-on-breast-cancer-cells-implications-for-cell-assisted-lipotransfers-in-breast-reconstruction
#17
Eva Koellensperger, Lilly-Claire Bonnert, Inka Zoernig, Frederik Marmé, Stefanie Sandmann, Günter Germann, Felix Gramley, Uwe Leimer
BACKGROUND: In this study we evaluated the interactions of human adipose tissue-derived stem cells (ADSCs) and different human breast cancer cell lines (BRCAs) with regard to the safety of cell-assisted lipotransfers for breast reconstruction and a thereby unintended co-localization of ADSCs and BRCAs. METHODS: ADSCs were co-cultured with five different human BRCAs (MCF-7, MDA-MB-231, SK-BR-3, ZR-75-30, and EVSA-T) and primary BRCAs from one patient in a transwell system, and cell-cell-interactions were analyzed by assessing doubling time, migration and invasion, angiogenesis, quantitative real-time polymerase chain reaction (PCR) of more than 300 tumor-associated genes, and multiplex protein assays of 20 chemokines and growth factors and eight matrix metalloproteinases (MMPs)...
May 25, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28545202/memantine-inhibits-degradation-of-the-articular-cartilage-extracellular-matrix-induced-by-advanced-glycation-end-products-ages
#18
Jijun Zhao, Yinghao Yu, Zhaofeng Wu, Ling Wang, Wei Li
The accumulation of inflammation and cartilage damage induced by advanced glycation end products (AGEs) are important hallmarks of osteoarthritis (OA). Memantine is a clinically licensed drug used for the treatment of moderate and severe Alzheimer's disease. To date, little information has been reported regarding the effects of memantine on cartilage destruction. In this study, we investigated the protective effects of memantine on AGE-induced degradation of collagen II and aggrecans in human SW1353 chondrocytes...
May 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28545187/enterolactone-suppresses-proliferation-migration-and-metastasis-of-mda-mb-231-breast-cancer-cells-through-inhibition-of-upa-induced-plasmin-activation-and-mmps-mediated-ecm-remodeling
#19
Aniket V Mali, Asavari A Joshi, Mahabaleshwar V Hegde, Shivajirao S Kadam
Background: To enhance their own survival, tumor cells can manipulate their microenvironment through remodeling of the extra cellular matrix (ECM). The urokinase-type plasminogen activator (uPA) system catalyzes plasmin production which further mediates activation of matrix metalloproteinases (MMPs) and plays an important role in breast cancer invasion and metastasis through ECM remodeling. This provides a potential target for therapeutic intervention of breast cancer treatment. Enterolactone (EL) is derived from dietary flax lignans in the human body and is known to have anti-breast cancer activity...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28544932/vascular-homing-peptides-for-cancer-therapy
#20
REVIEW
Lan Lu, Huan Qi, Jie Zhu, Wen Xia Sun, Bin Zhang, Chun Yan Tang, Qiang Cheng
In the past 30 years, a variety of phage libraries have been extensively utilized to identify and develop tumor homing peptides (THPs). THPs specifically bind to tumor cells or elements of the tumor microenvironment while no or low affinity to normal cells. In this regard, the efficacy of therapeutic agents in cancer therapy can be enhanced by targeting strategies based on coupling with THPs that recognize receptors expressed by tumor cells or tumor vasculature. Especially, vascular-homing peptides, targeting tumor vasculature, have their receptors expressed on or around the blood vessel including pro-angiogenic factors, metalloproteinase, integrins, fibrin-fibronectin complexes, etc...
May 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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