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TIMP-2

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https://www.readbyqxmd.com/read/28340605/diagnostic-value-of-urinary-tissue-inhibitor-of-metalloproteinase-2-and-insulin-like-growth-factor-binding-protein-7-for-acute-kidney-injury-a-meta-analysis
#1
Hui-Miao Jia, Li-Feng Huang, Yue Zheng, Wen-Xiong Li
BACKGROUND: Tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor binding protein 7 (IGFBP7), inducers of G1 cell cycle arrest, are two recently discovered good biomarkers for early diagnosis of acute kidney injury (AKI). To obtain a more robust performance measurement, the present meta-analysis was performed, pooling existing studies. METHODS: Literature in the MEDLINE (via PubMed), Ovid, Embase, and Cochrane Library databases was systematically searched from inception to 12 October 2016...
March 25, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28326469/hsv-1-interaction-to-3-o-sulfated-heparan-sulfate-in-mouse-derived-drg-explant-and-profiles-of-inflammatory-markers-during-virus-infection
#2
Harsh Sharthiya, Chanmoly Seng, T H Van Kuppevelt, Vaibhav Tiwari, Michele Fornaro
The molecular mechanism of herpes simplex virus (HSV) entry and the associated inflammatory response in the nervous system remain poorly understood. Using mouse-derived ex vivo dorsal root ganglia (DRG) explant model and single cell neurons (SCNs), in this study, we provided a visual evidence for the expression of heparan sulfate (HS) and 3-O-sulfated heparan sulfate (3-OS HS) followed by their interactions with HSV-1 glycoprotein B (gB) and glycoprotein D (gD) during cell entry. Upon heparanase treatment of DRG-derived SCN, a significant inhibition of HSV-1 entry was observed suggesting the involvement of HS role during viral entry...
March 21, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28322869/scaffold-free-high-throughput-generation-of-quiescent-valvular-microtissues
#3
Annelies Roosens, Inès Puype, Ria Cornelissen
AIMS: The major challenge of working with valvular interstitial cells in vitro is the preservation or recovery of their native quiescent state. In this study, a biomimetic approach is used which aims to engineer small volume, high quality valve microtissues, having a potential in regenerative medicine and as a relevant 3D in vitro model to provide insights into valve (patho)biology. METHODS AND RESULTS: To form micro-aggregates, porcine valvular interstitial cells were seeded in agarose micro-wells and cultured in medium supplemented with 250μM Ascorbic Acid 2-phosphate for 22days...
March 17, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28314112/can-mesenchymal-stem-cells-pretreated-with-platelet-rich-plasma-modulate-tissue-remodeling-in-a-rat-burn
#4
Hanan Hosni, Laila A Rashed, Soheir Mahfouz, Rania Elsayed Hussein, Marwa Alkaffas, Shaimaa Mostafa, Azza Abusree
AIM: To study the effect of PRP on BM-MSCs proliferation and to investigate their role on healing of experimental burn injury and possible mechanism of action. METHOD: Our work divided into in vitro and in vivo studies. In vitro study included,: MSCs and MSCs treated with PRP. TGF-β level and cell proliferation were assesed. In vivo study, 72 rats divided equally into 6 groups: control, burn, burn with MSCs, burn with PRP, burn with both MSCs and PRP and burn with MSCs pretreated with PRP...
March 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28295429/urinary-timp-2-%C3%A2-%C3%A3-%C3%A2-igfbp7-for-risk-prediction-of-acute-kidney-injury-in-decompensated-heart-failure
#5
Moritz Schanz, Jing Shi, Christoph Wasser, Mark Dominik Alscher, Martin Kimmel
BACKGROUND: In acute decompensated heart failure (ADHF) the risk of acute kidney injury (AKI) is high. Early detection of patients at risk for AKI is important. We tested urinary [TIMP-2] × [IGFBP7], a new US Food and Drug Administration-cleared test to assess AKI risk, in a cohort of hospitalized ADHF patients. HYPOTHESIS: In patients with ADHF, urinary [TIMP-2] × [IGFBP7] is associated with moderate to severe AKI and related to increased mortality. METHODS: We enrolled 400 patients in the emergency department at Robert-Bosch Hospital, Stuttgart, Germany...
March 10, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28290607/homemade-device-induced-negative-pressure-promotes-wound-healing-more-efficiently-than-vsd-induced-positive-pressure-by-regulating-inflammation-proliferation-and-remodeling
#6
Jinyan Liu, Feng Hu, Jintian Tang, Shijie Tang, Kun Xia, Song Wu, Chaoqi Yin, Shaohua Wang, Quanyong He, Huiqing Xie, Jianda Zhou
Vacuum sealing drainage (VSD) is an effective technique used to promote wound healing. However, recent studies have shown that it exerts positive pressure (PP) rather than negative pressure (NP) on skin. In this study, we created a homemade device that could maintain NP on the wound, and compared the therapeutic effects of VSD-induced PP to those of our homemade device which induced NP on wound healing. The NP induced by our device required less time for wound healing and decreased the wound area more efficiently than the PP induced by VSD...
March 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28288890/abdominal-aortic-aneurysm-associated-microrna-516a-5p-regulates-expressions-of-methylenetetrahydrofolate-reductase-matrix-metalloproteinase-2-and-tissue-inhibitor-of-matrix-metalloproteinase-1-in-human-abdominal-aortic-vascular-smooth-muscle-cells
#7
Crystal Yin Tung Chan, Bernice Lai Yee Cheuk, Stephen Wing Keung Cheng
OBJECTIVE: MicroRNAs (miRNAs or miRs) have been highlighted to be involved in abdominal aortic aneurysm (AAA) with the emergence of recent miRNA microarray profiling studies. miR-516a-5p has been shown to be significantly overexpressed in vascular smooth muscle cells (VSMCs) from human AAA tissues from our previous microarray study, suggesting its crucial association with AAA. In addition, further bioinformatics analysis predicted methylenetetrahydrofolate reductase (MTHFR), which regulates homocysteine (Hcy) metabolism and is proposed to be a risk gene for AAA formation, to be the down-regulation target of miR-516a-5p...
March 10, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28285969/expression-of-vav3-protein-and-its-prognostic-value-in-patients-with-gastric-cancer
#8
Bibo Tan, Yong Li, Xiaoming Shi, Liqiao Fan, Qun Zhao, Yanli Liu, Ming Tan, Qingwei Liu, Nan Jia
Vav3 is associated with tumor growth, apoptosis, invasion, metastasis and angiogenesis. In this study, we detected the expression of Vav3 in gastric cancer tissues, and explored its role in invasion, metastasis and prognosis of gastric cancer. Vav3, MMP-2, MMP-9, TIMP-1 and TIMP-2 in primary lesion and pericarcinous tissues were tested with Immunohistochemistry and Western blot. Results showed a higher expression of Vav3 in primary lesion than in pericarcinous tissue, and the expression of Vav3 was significantly correlated with MMP-2, MMP-9 and TIMP-1 in gastric cancer tissues...
February 24, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28283413/solasodine-inhibits-invasion-of-human-lung-cancer-cell-through-downregulation-of-mir-21-and-mmps-expression
#9
Kun-Hung Shen, Jui-Hsiang Hung, Chia-Wei Chang, Yu-Ting Weng, Ming-Jiuan Wu, Pin-Shern Chen
Solasodine, a naturally occurring aglycone of glycoalkaloid in eggplant (Solanum melongena), was found to inhibit proliferation in various tumor cells. However, the effect of solasodine on cancer cell metastasis remains unclear. This study investigates the suppression mechanism of solasodine on motility of human lung cancer cell A549 in vitro. Results show that solasodine reduces viability of A549 cells. Treatment with non-toxic doses of solasodine suppresses markedly cell invasion. Solasodine reduces the mRNA level of matrix metalloproteinase-2 (MMP-2), MMP-9 and extracellular inducer of matrix metalloproteinase (EMMPRIN), but increases the expression of reversion-inducing cysteine-rich protein with kazal motifs (RECK), as well as tissue inhibitor of metalloproteinase-1 (TIMP-1) and TIMP-2...
March 7, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28280408/effect-of-subcutaneous-treatment-with-human-umbilical-cord-blood-derived-multipotent-stem-cells-on-peripheral-neuropathic-pain-in-rats
#10
Min Ju Lee, Tae Gyoon Yoon, Moonkyu Kang, Hyun Jeong Kim, Kyung Sun Kang
In this study, we aim to determine the in vivo effect of human umbilical cord blood-derived multipotent stem cells (hUCB-MSCs) on neuropathic pain, using three, principal peripheral neuropathic pain models. Four weeks after hUCB-MSC transplantation, we observed significant antinociceptive effect in hUCB-MSC-transplanted rats compared to that in the vehicle-treated control. Spinal cord cells positive for c-fos, CGRP, p-ERK, p-p 38, MMP-9 and MMP 2 were significantly decreased in only CCI model of hUCB-MSCs-grafted rats, while spinal cord cells positive for CGRP, p-ERK and MMP-2 significantly decreased in SNL model of hUCB-MSCs-grafted rats and spinal cord cells positive for CGRP and MMP-2 significantly decreased in SNI model of hUCB-MSCs-grafted rats, compared to the control 4 weeks or 8weeks after transplantation (p<0...
March 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28255639/cisplatin-nephrotoxicity-is-not-detected-by-urinary-cell-cycle-arrest-biomarkers-in-lung-cancer-patients
#11
Zeki Toprak, Egemen Cebeci, Serife Aysen Helvaci, Ilkim Deniz Toprak, Yasin Kutlu, Abdullah Sakin, Tufan Tukek
PURPOSE: Cisplatin is a chemotherapeutic agent with potential nephrotoxicity. Delayed increase in serum creatinine after cisplatin administration shows that serum creatinine may not be a sufficient marker for early detection of nephrotoxicity. Urinary insulin-like growth factor binding protein-7 (IGFBP7) and tissue inhibitor of metalloproteinases-2 (TIMP-2) which are cell-cycle arrest biomarkers have been proposed recently for early detection of acute kidney injury (AKI). Herein, we evaluated urinary TIMP-2/IGFBP7 levels before and after cisplatin administration to patients with lung cancer and their role was examined in the early diagnosis of AKI...
March 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28238240/altered-plasma-microrna-expression-in-patients-with-mitral-chordae-tendineae-rupture
#12
Mehmet Bulent Vatan, Aysel Kalaycı Yigin, Ramazan Akdemir, Mustafa Tarik Agac, Mehmet Akif Cakar, Murat Aksoy, Ersan Tatli, Harun Kilic, Huseyin Gunduz, Derya Guzel, Keziban Karacan
BACKGROUND: Mitral chordae tendineae rupture (MCTR) is a progressive disorder which leads to severe mitral regurgitation. Despite its importance, the precise pathogenetic mechanism of MCTR remains unclear. The study aim was to investigate the expression profile of circulating microRNAs (miRNAs) as being potentially involved in the development of MCTR. METHODS: Twenty-one patients with 'primary' MCTR, and 30 age- and gender-matched controls, were enrolled in the study...
September 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28229451/honokiol-protects-skin-cells-against-inflammation-collagenolysis-apoptosis-and-senescence-caused-by-cigarette-smoke-damage
#13
Adilson Costa, Gustavo Facchini, Ana Lúcia T A Pinheiro, Michelle S da Silva, Michael Y Bonner, Jack Arbiser, Samara Eberlin
BACKGROUND: Pollution, especially cigarette smoke, is a major cause of skin damage. OBJECTIVES: To assess the effects of the small molecule polyphenol, honokiol, on reversing cigarette smoke-induced damage in vitro to relevant skin cells. METHODS: Keratinocytes (HaCat) cultures were exposed to cigarette smoke and, after 48 hours, IL-1α and IL-8 were measured in cell supernatants. Moreover, TIMP-2 production, apoptosis rate, and senescence β-galactosidase expression were evaluated in primary human foreskin fibroblasts (HFF-1) cultures...
February 22, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28196028/evaluation-of-suppressive-effects-of-tranilast-on-the-invasion-metastasis-mechanism-in-a-murine-pancreatic-cancer-cell-line
#14
Munehisa Kaneda, Hideaki Obara, Keiichi Suzuki, Osamu Takeuchi, Asako Takizawa, Masayoshi Osaku, Hajime Matsubara, Yuko Kitagawa
OBJECTIVES: Numerous studies have investigated the mechanism of the antitumor effect of tranilast, well known as an antiallergic drug. Herein, we investigated the mechanism of the antitumor effects of tranilast using murine PAN 02 cell line. METHODS: In an allograft mouse model, the number of metastatic sites in the liver was counted. Wound healing and chemoinvasion assay were performed to evaluate migration and invasive ability of PAN 02, respectively. Activities of matrix metalloproteinases (MMPs) were evaluated by gelatin zymography...
April 2017: Pancreas
https://www.readbyqxmd.com/read/28186971/ensnaring-membrane-type-1-matrix-metalloproteinase-mt1-mmp-with-tissue-inhibitor-of-metalloproteinase-timp-2-using-the-haemopexin-domain-of-the-protease-as-a-carrier-a-targeted-approach-in-cancer-inhibition
#15
Bingjie Jiang, Yan Zhang, Jian Liu, Anastasia Tsigkou, Magdalini Rapti, Meng Huee Lee
Metastatic cancer cells express Membrane Type 1-Matrix Metalloproteinase (MT1-MMP) to degrade the extracellular matrix in order to facilitate migration and proliferation. Tissue Inhibitor of Metalloproteinase (TIMP)-2 is the endogenous inhibitor of the MMP. Here, we describe a novel and highly effective fusion strategy to enhance the delivery of TIMP-2 to MT1-MMP. We can reveal that TIMP-2 fused to the haemopexin +/- transmembrane domains of MT1-MMP (two chimeras named T2PEX+TM and T2PEX) are able to interact with MT1-MMP on the cell surface as well as intracellularly...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28166590/the-effect-of-chrysin-loaded-plga-peg-on-metalloproteinase-gene-expression-in-mouse-4t1-tumor-model
#16
Zoheyr Mohammadi, Mohsen Sharif Zak, Khaled Seidi, Meisam Barati, Abolfazl Akbarzadeh, Nosratollah Zarghami
Despite the advances in medicine, cancer remains as one of the leading causes of the death worldwide. Through our previous study, the Chrysin loaded PGLA/PEG has been synthesized, and its physico-chemical properties were characterized. The aim of the present study was to evaluate the Chrysin loaded PGLA/PEG nanoparticle therapeutic effects on TIMP-1, TIMP-2, MMP-2, MMP-9 and PI3k expression in Mouse 4T1 breast tumor model.30 mice were enrolled in the current study, and the mice were randomly divided into 3 groups: untreated (n=10), Chrysin treatment (n=10) and Chrysin-loaded PLGA/PEG-based treatment (n=10)...
February 6, 2017: Drug Research
https://www.readbyqxmd.com/read/28164586/plasma-levels-and-diagnostic-utility-of-m-csf-mmp-2-and-its-inhibitor-timp-2-in-the-diagnostics-of-breast-cancer-patients
#17
Monika Zajkowska, Maciej Szmitkowski
BACKGROUND: M-CSF, MMP-2 and its inhibitor TIMP-2 may play a role in the pathogenesis and proliferation of breast cancer (BC). In this paper, plasma levels and the diagnostic utility of these parameters were investigated in comparison to CA 15-3 in patients with BC and in relation to the control groups: patients with benign breast tumor and healthy subjects. METHODS: Plasma levels of the tested parameters were determined using immunoenzyme assay (ELISA) and CA 15-3 with a chemiluminescence method (CMIA)...
September 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28137415/analysis-of-mmp-7-and-timp-2-gene-polymorphisms-in-coronary-artery-disease-and-myocardial-infarction-a-turkish-case-control-study
#18
Ebru Alp, Akin Yilmaz, Murat Tulmac, Asiye Ugras Dikmen, Atiye Cengel, Ridvan Yalcin, Emine Sevda Menevse
Matrix metalloproteinase (MMP) and tissue inhibitors of metalloproteinase (TIMP) have a significant role in tissue remodeling related to cardiac function. In earlier studies, MMP-7 A-181G (rs11568818), C-153T (rs11568819), C-115T (rs17886546), and TIMP-2 G-418C (rs8179090) polymorphisms have been studied in various diseases. However, association between coronary artery disease (CAD) and these polymorphisms has been poorly studied. The goal of this study is to investigate the association of CAD and myocardial infarction (MI) with MMP-7 or TIMP-2 polymorphisms...
February 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28131848/dehydroandrographolide-inhibits-oral-cancer-cell-migration-and-invasion-through-nf-%C3%AE%C2%BAb-ap-1-and-sp-1-modulated-matrix-metalloproteinase-2-inhibition
#19
Ming-Ju Hsieh, Jui-Chieh Chen, Wei-En Yang, Su-Yu Chien, Mu-Kuan Chen, Yu-Sheng Lo, Yi-Ting Hsi, Yi-Ching Chuang, Chia-Chieh Lin, Shun-Fa Yang
BACKGROUND AND PURPOSE: Oral cancer is a type of head and neck cancer that is characterized by cancerous tissue growth in the oral cavity. Andrographolide and dehydroandrographolide (DA) are the two principal components of Andrographis paniculata (Burm.f.) Nees and are the main contributors to its therapeutic properties. However, the pharmacological activities of DA remain unclear. EXPERIMENTAL APPROACH: In this study, we used wound closure assay and Boyden chamber assay to determine the effects of DA on oral cancer cell migration and invasion...
January 25, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28130030/biomarker-changes-in-anterior-cruciate-ligament-deficient-knees-compared-with-healthy-controls
#20
Daniel J Kaplan, Vanessa G Cuellar, Laith M Jazrawi, Eric J Strauss
PURPOSE: To establish how synovial fluid biomarker concentrations change in patients after anterior cruciate ligament (ACL) tears, with and without associated cartilage injury, with comparisons made to healthy controls. METHODS: Patients were prospectively enrolled between January 2013 and December 2014. Inclusion criteria included any patient undergoing knee arthroscopy. Patients with a confirmed ACL tear were allocated to either the ACL tear with cartilage injury group or the ACL tear without cartilage injury group based on intraoperative assessment...
January 24, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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