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TIMP-2

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https://www.readbyqxmd.com/read/28915589/casticin-attenuates-liver-fibrosis-and-hepatic-stellate-cell-activation-by-blocking-tgf-%C3%AE-smad-signaling-pathway
#1
Ling Zhou, Xiaoying Dong, Linlin Wang, Lanlan Shan, Ting Li, Wanfu Xu, Yan Ding, Mingqiang Lai, Xiaojun Lin, Meng Dai, Xiaochun Bai, Chunhong Jia, Hang Zheng
Although many advances have been made in understanding the pathogenesis of liver fibrosis, few options are available for treatment. Casticin, one of the major flavonoids in Fructus Viticis extracts, has shown hepatoprotective potential, but its effects on liver fibrosis are not clear. In this study, we investigated the antifibrotic activity of casticin and its underlying mechanism in vivo and in vitro. Male mice were injected intraperitoneally with carbon tetrachloride (CCl4) or underwent bile duct ligation (BDL) to induce liver fibrosis, followed by treatment with casticin or vehicle...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28906407/gelatinases-and-physical-exercise-a-systematic-review-of-evidence-from-human-studies
#2
Rosalia Lo Presti, Eugenia Hopps, Gregorio Caimi
BACKGROUND: Matrix metalloproteinases (MMPs), particularly gelatinase A (MMP-2) and gelatinase B (MMP-9), as well as their tissue inhibitors (TIMP-1 and TIMP-2), are involved in the development of skeletal muscle tissue, in the repair process after muscle injury and in the adaptive modifications induced by physical exercise in skeletal muscle. This paper aims at reviewing results from human studies that investigated the role of gelatinases and their inhibitors in skeletal muscle response to acute physical exercise or training...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28901395/role-of-matrix-metalloproteinase%C3%A2-7-and-apoptosis%C3%A2-associated-gene-expression-levels-in-the-pathogenesis-of-atrial-fibrosis-in-a-beagle-dog-model
#3
Min Jia, Zai-Bo Li, Lin Li, Hong-Tao Chu, Zhuang-Zhuang Li
The aim of the present study was to investigate the potential role of matrix metalloproteinase‑7 (MMP‑7) and apoptosis‑associated genes [TIMP metallopeptidase inhibitor 2(TIMP‑2), BCL2 associated X, apoptosis regulator (BAX) and BCL2, apoptosis regulator (BCL‑2)] in the pathogenesis of atrial fibrillation (AF) in a Beagle dog model. A total of 20 adult male Beagle dogs were randomly assigned into the AF group (n=10; Beagle dogs were treated by Burst stimulation to induce AF) and the control group (n=10; healthy Beagle dogs)...
August 31, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28898426/differences-between-inflammatory-and-catabolic-mediators-of-peri-implantitis-and-periodontitis-lesions-following-initial-mechanical-therapy-an-exploratory-study
#4
M Ghighi, A Llorens, B Baroukh, C Chaussain, P Bouchard, M Gosset
BACKGROUND AND OBJECTIVE: The aim of this study was to analyze the differences in inflammatory and catabolic mediators expressed in peri-implantitis compared to periodontitis lesions after non-surgical therapy. Peri-implantitis is associated with a faster rate of bone loss when compared with periodontitis, and peri-implant non-surgical therapy is ineffective to cure peri-implantitis. This may be due to persistent inflammation in peri-implantitis tissues after initial mechanical treatment...
September 12, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28887922/gramine-inhibits-angiogenesis-and-induces-apoptosis-via-modulation-of-tgf-%C3%AE-signalling-in-7-12-dimethylbenz-a-anthracene-dmba-induced-hamster-buccal-pouch-carcinoma
#5
Arunkumar Ramu, Suresh Kathiresan, Bakrudeen Ali Ahmed
BACKGROUND: Transforming growth factor-β (TGF-β) and its receptors are considered as a novel target in cancer chemotherapy. Gramine, an indole alkaloid, possesses various pharmacological properties including antiproliferative and anticancer. However, the anti-angiogenic property remains unexplored. PURPOSE: The present study was designed to evaluate the anti-angiogenic and apoptosis induction properties of gramine through inhibiting TGF-β on DMBA induced oral squamous cell carcinoma (OSCC) in the hamster buccal pouch (HBP)...
September 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28884304/cell-cycle-arrest-biomarkers-in-urine-to-predict-acute-kidney-injury-in-septic-and-non-septic-critically-ill-patients
#6
M Cuartero, J Ballús, J Sabater, X Pérez, N Nin, J Ordonez-Llanos, A J Betbesé
PURPOSE: To analyse the usefulness of the composite index of the tissue inhibitor of metalloproteinases-2 (TIMP-2) and insulin-like growth factor-binding protein 7 (IGFBP7) as urinary biomarkers for the early prediction of AKI in septic and non-septic patients. METHODS: This is a prospective, observational study including patients admitted to ICU from acute care departments and hospital length of stay <48 h. The main exclusion criteria were pre-existing eGFR <30 mL/min/1...
September 7, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28883751/resveratrol-raises-in-vitro-anticancer-effects-of-paclitaxel-in-nsclc-cell-line-a549-through-cox-2-expression
#7
Fanhua Kong, Runqi Zhang, Xudong Zhao, Guanlin Zheng, Zhou Wang, Peng Wang
The aim of this study was to determine the raising anticancer effects of resveratrol (Res) on paclitaxel (PA) in non-small cell lung cancer (NSCLC) cell line A549. The 10 µg/ml of Res had no effect on human fetal lung fibroblast MRC-5 cells or on A549 cancer cells and the 5 or 10 µg/ml of PA also had no effect on MRC-5 normal cells. PA-L (5 µg/ml) and PA-H (10 µg/ml) had the growth inhibitory effects in NSCLC cell line A549, and Res increased these growth inhibitory effects. By flow cytometry experiment, after Res (5 µg/ml)+PA-H (10 µg/ml) treatment, the A549 cells showed the most apoptosic cells compared to other group treatments, and after additional treatment with Res, the apoptosic cells of both two PA concentrations were raised...
September 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28878295/garcinone-e-induces-apoptosis-and-inhibits-migration-and-invasion-in-ovarian-cancer-cells
#8
Xiao-Huang Xu, Qian-Yu Liu, Ting Li, Jian-Lin Liu, Xin Chen, Li Huang, Wen-An Qiang, Xiuping Chen, Yitao Wang, Li-Gen Lin, Jin-Jian Lu
Ovarian cancer remains the most lethal gynecological malignant tumor. In this study, 24 xanthones were isolated and identified from the pericarps of mangosteen (Garcinia mangostana), and their anti-proliferative activities were tested in ovarian cancer cells. Garcinone E (GE) was found to exhibit excellent anti-proliferative effects among the tested xanthones. It significantly inhibited the proliferation in HEY, A2780, and A2780/Taxol cells as evidenced by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay, lactate dehydrogenase (LDH) release assay, Hoechst 33342 staining, annexin V/PI staining, and JC-1 staining...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28875568/gene-expression-of-matrix-metalloproteinases-and-their-inhibitors-timps-in-meningiomas-of-dogs
#9
M T Mandara, A Reginato, G Foiani, S De Luca, G Guelfi
BACKGROUND: Matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) are considered to be key mediators of tumor invasion and metastasis. MMP-2 and MMP-9 are expressed in meningiomas of dogs, but TIMP expression, and variations of specific MMP/TIMP ratios still are unknown in this tumor. HYPOTHESIS/OBJECTIVES: Expression of MMP/TIMP might increase progressively from grade I to grade III meningioma. Therefore, genetic expression of MMP-2 and MMP-9, and specific TIMP-2 and TIMP-1, respectively, has been investigated in meningiomas of different grades...
September 5, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28864176/riboflavin-and-ultraviolet-a-irradiation-for-the-prevention-of-progressive-myopia-in-a-guinea-pig-model
#10
Xiaoxia Li, Miaoqin Wu, Luyi Zhang, Hui Liu, Lan Zhang, Jinjing He
In this study, we evaluated the effect of oral administration of riboflavin combined with whole-body ultraviolet A (UVA) irradiation on the biochemical and biomechanical properties of sclera in a guinea pig model to control the progression of myopia. Experimental groups were administered 0.1% riboflavin solution with or without vitamin C by gavage from 3 days before myopic modeling and during the modeling process. Guinea pigs underwent 30 min of whole-body UVA irradiation after each gavage for 2 weeks. For control groups, guinea pigs were administered vitamin C and underwent either whole-body UVA irradiation without 0...
August 31, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28863997/micronized-progesterone-pretreatment-affects-the-inflammatory-response-of-human-gestational-tissues-and-the-cervix-to-lipopolysaccharide-stimulation
#11
Tai-Ho Hung, Szu-Fu Chen, Chung-Pu Wu, Meng-Jen Li, Yi-Lin Yeh, T'sang-T'ang Hsieh
INTRODUCTION: Vaginal administration of micronized progesterone (utrogestan capsule, UG) reduces the risk of preterm birth (PTB) in asymptomatic women with a sonographic short cervix at mid-trimester or with a prior history of spontaneous PTB; however, its exact mechanisms remain unclear. We hypothesized that UG limits the inflammatory processes within the gestational tissues and the cervix. METHODS: Fetal membranes and villous tissues were obtained from normal term placentas from women with cesarean delivery before labor onset...
September 2017: Placenta
https://www.readbyqxmd.com/read/28820947/dysregulated-mitogen-activated-protein-kinase-and-matrix-metalloproteinase-in-ethanol-induced-cavernosal-dysfunction
#12
Jaqueline Jóice Muniz, Leticia Nogueira Leite, Riccardo Lacchini, Jose E Tanus-Santos, Carlos Renato Tirapelli
We evaluated the effects of ethanol consumption on the mitogen-activated protein kinases (MAPK) and metalloproteinases (MMP) pathways in the rat cavernosal smooth muscle (CSM). Male Wistar rats were treated with ethanol (20% vol./vol.) for six weeks. Quantitative real-time polymerase chain reaction experiments showed that ethanol consumption did not alter mRNA levels of p38MAPK, SAPK/JNK, ERK1/2, MMP-2 or MMP-9 in the rat CSM. Western immunoblotting experiments revealed decreased protein expression of p38MAPK and phosphorylation of SAPK/JNK in the CSM from ethanol-treated rats...
August 18, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28819366/paracrine-potential-of-the-human-adipose-tissue-derived-stem-cells-to-modulate-balance-between-matrix-metalloproteinases-and-their-inhibitors-in-the-osteoarthritic-cartilage-in-vitro
#13
Jaroslav Denkovskij, Edvardas Bagdonas, Ilona Kusleviciute, Zygmunt Mackiewicz, Ausra Unguryte, Narunas Porvaneckas, Sandrine Fleury, Algirdas Venalis, Christian Jorgensen, Eiva Bernotiene
Adipose tissue represents an abundant source of stem cells. Along with anti-inflammatory effects, ASC secrete various factors that may modulate metabolism of extracellular matrix in osteoarthritic (OA) cartilage, suggesting that the presence of ASC could be advantageous for OA cartilage due to the recovery of homeostasis between matrix metalloproteinases (MMPs) and their tissue inhibitors of metalloproteinases (TIMPs). To evaluate these effects, cartilage explants (CE) were cocultured with ASC for 3 and 7 days under stimulation with or without IL-1β...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28818228/phenotypic-and-functional-transformation-in-smooth-muscle-cells-derived-from-varicose-veins
#14
Yongbo Xu, Yuanyuan Bei, Yuan Li, Haibo Chu
OBJECTIVE: Varicose veins (VVs) are a common disorder of venous dilation and tortuosity, but the underlying mechanism is unclear. The functional integrity and phenotypic differences of VVs are also unclear. This study tested the hypothesis that phenotypic and functional differences exist between smooth muscle cells (SMCs) derived from VVs and normal veins. METHODS: SMCs were isolated from 28 samples of varicose great saphenous veins (VGSVs) and normal great saphenous (NGSVs) and cultured...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28805547/the-association-between-methylation-levels-of-targeted-genes-and-albuminuria-in-patients-with-early-diabetic-kidney-disease
#15
Ozgur Aldemir, Faruk Turgut, Cumali Gokce
OBJECTIVE: The incidence of diabetes and its complications are greatly increasing world-wide. Diabeticnephropathy (DN) is the main cause of end-stage renal disease and is associated with high morbidity and mortality. It is important to predict patients with high risk for DN in the early stage. We selected the genes which have an important role on diabetic kidney disease. We aimed to investigate the association between DNA methylation levels of targeted genes and albuminuria in patients with early DN...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28803769/urine-biomarkers-of-tubular-renal-cell-damage-for-the-prediction-of-acute-kidney-injury-after-cardiac-surgery-a-pilot-study
#16
Tanja Mayer, Daniel Bolliger, Markus Scholz, Oliver Reuthebuch, Michael Gregor, Patrick Meier, Martin Grapow, Manfred D Seeberger, Jens Fassl
OBJECTIVE: To evaluate the perioperative course of urine levels of the renal damage biomarkers tissue inhibitor of metalloproteinase 2 (TIMP-2) and insulin-like growth factor-binding protein 7 (IGFBP7) and to evaluate the predictive value of elevated TIMP-2 × IGFBP7 concentrations to predict acute kidney injury (AKI) early after cardiac on-pump surgery. DESIGN: Prospective, observational cohort study. SETTING: University hospital. PARTICIPANTS: The study comprised 110 consecutive patients undergoing elective cardiac surgery with cardiopulmonary bypass (CPB) between January and March 2014...
April 16, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28799580/risk-prediction-of-acute-kidney-injury-by-timp-2-%C3%A2-igfbp7
#17
M Kimmel, M Schanz, M D Alscher
Acute kidney injury (AKI) is a common syndrome with increased mortality, a heavy burden of illness and high cost. The Kidney Disease Improving Global Outcomes (KDIGO) criteria for staging of AKI have been validated in large patient cohorts and classify AKI into three stages. In order to achieve prevention or early therapy, the focus of scientific interest is early detection and risk prediction of AKI. The combination of the two cell cycle arrest markers [TIMP-2]·[IGFBP7] in the urine shows good results in the risk prediction of AKI in different clinical settings (intensive care medicine, sepsis, cardiac surgery, emergency department)...
June 2017: Drugs of Today
https://www.readbyqxmd.com/read/28767067/sinulariolide-suppresses-cell-migration-and-invasion-by-inhibiting-matrix-metalloproteinase-2-9-and-urokinase-through-the-pi3k-akt-mtor-signaling-pathway-in-human-bladder-cancer-cells
#18
Te-Chih Cheng, Zhong-Hao Din, Jui-Hsin Su, Yu-Jen Wu, Chih-I Liu
Sinulariolide is a natural product extracted from the cultured-type soft coral Sinularia flexibilis, and possesses bioactivity against the movement of several types of cancer cells. However, the molecular pathway behind its effects on human bladder cancer remain poorly understood. Using a human bladder cancer cell line as an in vitro model, this study investigated the underlying mechanism of sinulariolide against cell migration/invasion in TSGH-8301 cells. We found that sinulariolide inhibited TSGH-8301 cell migration/invasion, and the effect was concentration-dependent...
August 2, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28765266/adam12-is-a-novel-regulator-of-tumor-angiogenesis-via-stat3-signaling
#19
Roopali Roy, Adelle Dagher, Catherine Butterfield, Marsha A Moses
ADAM12, (ADisintegrin and metalloproteinase domain-containing protein 12), is upregulated in epithelial cancers and contributes to increased tumor proliferation, metastasis, and endocrine resistance. However, its role in tumor angiogenesis is unknown. Here, we report that ADAM12 is upregulated in the vessels of aggressive breast tumors and exerts key regulatory functions. ADAM12 significantly increases bFGF-mediated angiogenesis in vivo and ADAM12 levels are upregulated in tumors that have undergone a switch to the angiogenic phenotype...
August 1, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28755073/urinary-biomarkers-of-cell-cycle-arrest-are-delayed-predictors-of-acute-kidney-injury-after-pediatric-cardiopulmonary-bypass
#20
Liqun Dong, Qing Ma, Michael Bennett, Prasad Devarajan
BACKGROUND: Several novel biomarkers that predict acute kidney injury (AKI) have recently been proposed. We have evaluated the sequential patterns of biomarker elevation after pediatric cardiopulmonary bypass (CPB) and determined their diagnostic accuracy. METHODS: We measured the ability of neutrophil gelatinase-associated lipocalin (NGAL), interleukin-18 (IL-18), liver type fatty-acid binding protein (L-FABP), kidney injury molecule-1 (KIM-1), tissue inhibitor of metalloproteinase-2 (TIMP-2), and insulin-like growth factor binding protein 7 (IGFBP7), to predict AKI (≥50% increase in serum creatinine from baseline)...
July 28, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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