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https://www.readbyqxmd.com/read/28726716/new-insights-into-the-role-of-matrix-metalloproteinases-in-preeclampsia
#1
REVIEW
Salvador Espino Y Sosa, Arturo Flores-Pliego, Aurora Espejel-Nuñez, Diana Medina-Bastidas, Felipe Vadillo-Ortega, Veronica Zaga-Clavellina, Guadalupe Estrada-Gutierrez
Preeclampsia is a severe pregnancy complication globally, characterized by poor placentation triggering vascular dysfunction. Matrix metalloproteinases (MMPs) exhibit proteolytic activity implicated in the efficiency of trophoblast invasion to the uterine wall, and a dysregulation of these enzymes has been linked to preeclampsia. A decrease in MMP-2 and MMP-9 interferes with the normal remodeling of spiral arteries at early pregnancy stages, leading to the initial pathophysiological changes observed in preeclampsia...
July 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28726167/early-increased-bradykinin-1-receptor-contributes-to-hemorrhagic-transformation-after-ischemic-stroke-in-type-1-diabetic-rats
#2
Hongfei Sang, Zhongming Qiu, Jin Cai, Wenya Lan, Linjie Yu, Hao Zhang, Min Li, Yi Xie, Ruibing Guo, Ruidong Ye, Xinfeng Liu, Ling Liu, Renliang Zhang
Hemorrhagic transformation (HT) is a major complication of ischemic stroke and further deteriorates neurological outcomes. Bradykinin 1 receptor (B1R) has been proven to mediate vasculo-toxicity in various experimental models. However, its role in the development of HT after stroke remains unclear. We detected the B1R expression in brain tissues with or without HT in a rat model of cerebral ischemia/reperfusion (I/R) with type 1 diabetes, showing higher B1R expression in the hemorrhagic areas than the ischemic tissues...
July 19, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28726114/sex-related-differences-in-serum-matrix-metalloproteinase-9-screening-non-calcified-and-mixed-coronary-atherosclerotic-plaques-in-outpatients-with-chest-pain
#3
Chun Gu, Fang Wang, Zhihui Hou, Bin Lv, Yang Wang, Xiangfeng Cong, Xi Chen
The objective of this study is to evaluate the clinical feasibility of serum matrix metalloproteinase-9 (MMP-9) for screening plaque composition as assessed by coronary computed tomography angiography (CCTA) in outpatients with chest pain,and the effects of sex on this feasibility. Eight hundred and sixty-two consecutive outpatients with chest pain were divided into three groups according to the results of CCTA: non-plaque (NP, n = 474), calcified plaques (CPs, n = 179), non-calcified and mixed plaques (NCPs and MPs, n = 209)...
July 19, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28725110/the-impact-of-carboplatin-and-toceranib-phosphate-on-serum-vascular-endothelial-growth-factor-vegf-and-metalloproteinase-9-mmp-9-levels-and-survival-in-canine-osteosarcoma
#4
Tracy L Gieger, Julie Nettifee-Osborne, Briana Hallman, Chad Johannes, Dawn Clarke, Michael W Nolan, Laurel E Williams
In this pilot study, 10 dogs with osteosarcoma (OSA) were treated with amputation and subsequent carboplatin chemotherapy (300 mg/m(2) IV q3wk × 4 doses) followed by toceranib phosphate (2.75 mg/kg PO q48h starting at day 14 post carboplatin). Monthly clinical monitoring and serum measurements of vascular endothelial growth factor (VEGF) and matrix metalloproteinase-9 (MMP-9) were acquired. No dogs were removed from the study due to toxicity. Levels of VEGF and MMP-9 did not change over time. Seven dogs died related to local recurrence and/or pulmonary or bone metastasis and the remainder died of other causes...
July 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28723856/fecal-matrix-metalloprotease-9-and-lipocalin-2-as-biomarkers-in-detecting-endoscopic-activity-in-patients-with-inflammatory-bowel-diseases
#5
Anthony Buisson, Emilie Vazeille, Régine Minet-Quinard, Marion Goutte, Damien Bouvier, Félix Goutorbe, Bruno Pereira, Nicolas Barnich, Gilles Bommelaer
BACKGROUND: Fecal biomarkers are emerging tools in the assessment of mucosal healing in inflammatory bowel diseases (IBD). GOALS: We aimed to evaluate the accuracy of fecal matrix metalloprotease-9 (MMP-9) and fecal lipocalin-2 (LCN-2) compared with calprotectin in detecting endoscopic activity in IBD STUDY:: Overall, 86 IBD adults underwent colonoscopy consecutively and prospectively, with Crohn's disease Endoscopic Index of Severity (CDEIS) in Crohn's disease (CD) patients or Mayo endoscopic subscore calculation for ulcerative colitis (UC) patients, and stool collection...
July 18, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28723651/suppression-of-clc-3-chloride-channel-reduces-the-aggressiveness-of-glioma-through-inhibiting-nuclear-factor-%C3%AE%C2%BAb-pathway
#6
Bing Wang, Jing Xie, Hai-Yong He, En-Wen Huang, Qing-Hua Cao, Lun Luo, Yong-Shi Liao, Ying Guo
CLC-3 chloride channel plays important roles on cell volume regulation, proliferation and migration in normal and cancer cells. Recent growing evidence supports a critical role of CLC-3 in glioma metastasis, however, the mechanism underlying is unclear. This study finds that CLC-3 is upregulated in glioma tissues and positively correlated with WHO histological grade. Patients with high CLC-3 expression had an overall shorter survival time, whereas patients with low expression of CLC-3 had a better survival time...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723216/lycopene-inhibits-human-liver-adenocarcinoma-sk-hep-1-cells-metastasis-by-down-regulation-of-nadph-oxidase-4-protein-expression
#7
Bo-Yi Jhou, Tuzz-Ying Song, Inn Lee, Miao-Lin Hu, Nae-Cherng Yang
NADPH oxidase 4 (NOX4) with the sole function to produce reactive oxygen species (ROS) can be a molecular target to disrupt cancer metastasis. Several studies have indicated that lycopene exhibited anti-metastatic actions in vitro and in vivo. However, the role of NOX4 in the anti-metastatic action of lycopene remains unknown. Herein, we first confirmed the anti-metastatic effect of lycopene (0.1-5 μM) on human liver adenocarcinoma SK-Hep-1 cells. We showed that lycopene significantly inhibited NOX4 protein expression with the highest inhibition of 64...
July 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28722351/%C3%AE-mangostin-suppresses-human-hepatocellular-carcinoma-cell-invasion-through-inhibition-of-mmp-2-and-mmp-9-expression-and-activating-the-erk-and-jnk-pathways
#8
Chien-Feng Huang, Ying-Hock Teng, Fung-Jou Lu, Wen-Hung Hsu, Chia-Liang Lin, Chia-Chen Hung, Jai-Nien Tung, Yi-Hsien Hsieh, Chung-Jung Liu
β-mangostin is a dietary xanthone that has been reported to have the anticancer properties in some human cancer cell types. However, the antimetastatic effect and molecular mechanism of β-mangostin action in human hepatocellular carcinoma (HCC) cells remain unknown. In this study, we found that β-mangostin did not induce cytotoxicity in human HCC cells (SK-Hep-1, Huh-7 and HA22T/VGH cells). β-mangostin could inhibit migration and invasion of human HCC cells. Meanwhile, β-mangostin significantly decreased the protein activities and expression of matrix metalloproteinase (MMP)-2 and MMP-9 via increasing the activation of MEK1/2, ERK1/2, MEK4 and JNK1/2 signaling pathways...
July 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28722240/an-mri-hyperintense-acute-reperfusion-marker-is-related-to-elevated-peripheral-monocyte-count-in-acute-ischemic-stroke
#9
Zurab Nadareishvili, Marie Luby, Richard Leigh, Jignesh Shah, John K Lynch, Amie W Hsia, Richard T Benson, Lawrence L Latour
BACKGROUND AND PURPOSE: Blood-brain barrier (BBB) disruption detected on magnetic resonance imaging (MRI) in acute ischemic stroke as a hyperintense acute reperfusion marker (HARM) is associated with upregulation of matrix metalloproteinase-9 (MMP-9). Although activated leukocytes, including monocytes, are the main source of MMPs, limited data exist to support relationship between leukocyte activation and BBB disruption in patients with acute ischemic stroke. The goal of this study is to investigate the relationship between neutrophils, lymphocytes, and monocytes with BBB disruption detected as HARM (+) in patients with acute ischemic stroke...
July 19, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28721143/the-effect-of-antihypertensive-treatment-on-arterial-stiffness-and-serum-concentration-of-selected-matrix-metalloproteinases
#10
Marek Rajzer, Wiktoria Wojciechowska, Tomasz Kameczura, Agnieszka Olszanecka, Danuta Fedak, Michał Terlecki, Kalina Kawecka-Jaszcz, Danuta Czarnecka
INTRODUCTION: The aim of the study was to assess the arterial stiffness and serum levels of selected metalloproteinases (MMPs) in hypertensive patients and their changes following antihypertensive therapy. MATERIAL AND METHODS: The study group consisted of 95 patients with essential arterial hypertension (HT) stage 1 or 2 (mean age: 53.1 ±13.0 years). The control group consisted of 31 normotensives of the same age range. Hypertension patients were randomized to one of the following monotherapies for 6 months: quinapril, losartan, amlodipine, hydrochlorothiazide or bisoprolol...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28720386/cdc42-interacting-protein-4-silencing-relieves-pulmonary-fibrosis-in-stz-induced-diabetic-mice-via-the-wnt-gsk-3%C3%AE-%C3%AE-catenin-pathway
#11
Xiaoping Zhang, Ying Liu, Runxia Shao, Wei Li
Cdc42-interacting protein-4 (CIP4) has been reported to be closely associated with diabetic nephropathy in rat. However, little is known about the correlation between CIP4 and diabetic pulmonary fibrosis (PF) in mice. Here, diabetes was induced by streptozotocin (STZ), and later lung tissue was collected and subjected to hematoxylin and eosin (H & E) staining for morphological examination. The distinct up-regulation of CIP4 was observed in diabetic PF mice. CIP4 silencing increased overall weight and decreased lung weight...
July 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28720320/hydrogen-sulfide-improves-diabetic-wound-healing-in-ob-ob-mice-via-attenuating-inflammation
#12
Huichen Zhao, Shengxia Lu, Jiachao Chai, Yuchao Zhang, Xiaoli Ma, Jicui Chen, Qingbo Guan, Meiyan Wan, Yuantao Liu
BACKGROUND: The proposed mechanisms of impaired wound healing in diabetes involve sustained inflammation, excess oxidative stress and compromised agiogenesis. Hydrogen sulfide (H2S) has been reported to have multiple biological activities. We aim to investigate the role of H2S in impaired wound healing in ob/ob mice and explore the possible mechanisms involved. PROCEDURES: Full-thickness skin dorsal wounds were created on ob/ob mice and C57BL/6 mice. Cystathionine-γ-lyase (CSE) expression and H2S production were determined in granulation tissues of the wounds...
June 30, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28719899/the-relationship-between-mmp-2-1306c-t-and-mmp-9-1562c-t-polymorphisms-and-the-risk-and-prognosis-of-t-cell-acute-lymphoblastic-leukemia-in-a-chinese-population-a-case-control-study
#13
Cong-Meng Lin, Yan-Ling Zeng, Min Xiao, Xu-Qiao Mei, Lv-Ying Shen, Meng-Xian Guo, Zhe-Yao Lin, Qi-Fa Liu, Tin Yang
BACKGROUND: T-cell acute lymphoblastic leukemia (T-ALL) is a malignant hematological disease and is often accompanied by a variety of genetic abnormalities. Hence, our study aims to investigate the relationship between MMP-2 -1306C>T and MMP-9 -1562C>T polymorphisms and the risk and prognosis of T-ALL. METHODS: From April 2009 to February 2011, a total of 376 T-ALL patients were chosen as the case group. Meanwhile, 352 healthy people who passed routine health examinations were selected as the control group...
July 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28719670/suppressive-effect-of-amp-activated-protein-kinase-on-the-epithelial-mesenchymal-transition-in-retinal-pigment-epithelial-cells
#14
Ryo Matoba, Yuki Morizane, Yusuke Shiode, Masayuki Hirano, Shinichiro Doi, Shinji Toshima, Ryoichi Araki, Mika Hosogi, Tomoko Yonezawa, Fumio Shiraga
The epithelial-mesenchymal transition (EMT) in retinal pigment epithelial (RPE) cells plays a central role in the development of proliferative vitreoretinopathy (PVR). The purpose of this study was to investigate the effect of AMP-activated protein kinase (AMPK), a key regulator of energy homeostasis, on the EMT in RPE cells. In this study, EMT-associated formation of cellular aggregates was induced by co-stimulation of cultured ARPE-19 cells with tumor necrosis factor (TNF)-α (10 ng/ml) and transforming growth factor (TGF)-β2 (5 ng/ml)...
2017: PloS One
https://www.readbyqxmd.com/read/28717842/selective-matrix-metalloproteinase-inhibition-increases-breaking-strength-and-reduces-anastomotic-leakage-in-experimentally-obstructed-colon
#15
Peter-Martin Krarup, Mikkel Eld, Lars Nannestad Jorgensen, Mark Berner Hansen, Magnus S Ågren
PURPOSE: Colonic obstruction causes loss of collagen and impairment of anastomotic integrity by matrix metalloproteinases (MMPs). Unexpectedly, pharmacological MMP inhibition increased anastomotic leakage (AL) in obstructed colon possibly due to the non-selective nature of these compounds and the experimental model applied. We therefore studied the effects of selective MMP inhibition on the healing of anastomoses in colon obstructed by a novel laparoscopic technique. METHODS: Left colon was obstructed in 38 male Sprague-Dawley rats (226-284 g)...
July 17, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28715807/amniotic-fluid-angiogenic-and-inflammatory-factor-profiling-in-foetal-down-syndrome
#16
Monika Zbucka-Kretowska, Karol Charkiewicz, Jan Czerniecki, Joanna Goscik, Slawomir Wolczynski, Piotr Laudanski
OBJECTIVES: Angiogenic factors are proteins that can potentially be related to certain foetal chromosomal abnormalities. The goal of this study was to determine the concentrations of 60 angiogenic factors in the amniotic fluid of women carrying foetuses with Down syndrome (DS). METHODS: After analysis of the karyotyping results, for the purpose of this study, we chose 12 women with foetal DS. For the control group, we selected 12 healthy patients with uncomplicated pregnancies (15-18 weeks of gestation) who delivered healthy newborns at term...
July 15, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28715683/il-17rb-enhances-thyroid-cancer-cell-invasion-and-metastasis-via-erk1-2-pathway-mediated-mmp-9-expression
#17
Lei Ren, Yapei Xu, Cong Liu, Shoujun Wang, Guijun Qin
IL-17RB, a member of the IL-17 receptor family that can be activated by IL-17B, has been proved to be involved in inflammatory diseases and cancers. However, the function of IL-17RB in thyroid cancer is still unknown. In this study, IL-17RB expression in thyroid cancer cell lines and tissues was examined by real-time PCR and western blot. The effects of IL-17RB on cell invasion and migration were determined by in vitro invasion and migration assays, while the effects of IL-17RB on cell metastasis were analyzed by in vivo experiments...
July 14, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28715585/retinoic-acid-engineered-amniotic-membrane-used-as-graft-or-homogenate-positive-effects-on-corneal-alkali-burns
#18
Romain Joubert, Estelle Daniel, Nicolas Bonnin, Aurélie Comptour, Christelle Gross, Corinne Belville, Frédéric Chiambaretta, Loïc Blanchon, Vincent Sapin
Purpose: Alkali burns are the most common, severe chemical ocular injuries, their functional prognosis depending on corneal wound healing efficiency. The purpose of our study was to compare the benefits of amniotic membrane (AM) grafts and homogenates for wound healing in the presence or absence of previous all-trans retinoic acid (atRA) treatment. Methods: Fifty male CD1 mice with reproducible corneal chemical burn were divided into five groups, as follows: group 1 was treated with saline solution; groups 2 and 3 received untreated AM grafts or grafts treated with atRA, respectively; and groups 4 and 5 received untreated AM homogenates or homogenates treated with atRA, respectively...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28714004/expression-and-function-of-transforming-growth-factor%C3%A2-%C3%AE-%C3%A2-activated-protein-kinase-1-in-gastric-cancer
#19
Yue Yang, Yudong Qiu, Mubai Tang, Zhaoshu Wu, Weidong Hu, Chaobo Chen
The present study aimed to investigate the expression and role of transforming growth factor (TGF) ‑β‑activated protein kinase 1 (TAK1) in human gastric cancer. Immunohistochemistry was performed to investigate the expression of TAK1 in surgical specimens of human gastric cancer tissue and adjacent normal tissue. The association between TAK1 and clinicopathologic factors was analyzed and the association between TAK1 expression and the overall survival rates was evaluated using Kaplan‑Meier curves. In addition, the effect of the TAK1 selective inhibitor 5Z‑7‑oxozeaenol (OZ) on the biological characteristics of MGC803 human gastric cancer cells in vitro were investigated...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713961/adipose-differentiation%C3%A2-related-protein-knockdown-inhibits-vascular-smooth-muscle-cell-proliferation-and-migration-and-attenuates-neointima-formation
#20
Haomin Zhao, Tao Han, Xin Hong, Dajun Sun
Vascular smooth muscle cells (VSMCs) have an important role in atherosclerosis development. Evidence has demonstrated that adipose differentiation‑related protein (ADRP) is associated with foam cell formation and atherosclerosis progression. However, to the best of our knowledge, no previous studies have investigated the role of ADRP knockdown in platelet‑derived growth factor (PDGF)‑stimulated proliferation and migration of VSMCs in vitro. Furthermore, the effect of ADRP knockdown on neointima formation in vivo remains unclear...
July 15, 2017: Molecular Medicine Reports
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