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https://www.readbyqxmd.com/read/28103583/angiogenesis-related-genes-may-be-a-more-important-factor-than-matrix-metalloproteinases-in-bronchopulmonary-dysplasia-development
#1
Min Yang, Bo-Lin Chen, Jian-Bao Huang, Yan-Ni Meng, Xiao-Jun Duan, Lu Chen, Lin-Rui Li, Yan-Ping Chen
We characterized the expression profile of angiogenesis-related genes (ARG) and matrix metalloproteinase (MMP) genes in preterm infants, with and without bronchopulmonary dysplasia (BPD). We reanalyzed a gene expression dataset for preterm infants from the Gene Expression Omnibus database using the Gene-Cloud of Biotechnology Information platform. A total of 1,652 genes were differentially (1.2-fold change) expressed: 811 were highly expressed in infants with BPD, and 841 were highly expressed in those without BPD...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28102059/v%C3%AE-1%C3%A2-%C2%BA-%C3%AE-%C3%AE-t-cells-are-correlated-with-increasing-expression-of-eosinophil-cationic-protein-and-metalloproteinase-7-in-chronic-rhinosinusitis-with-nasal-polyps-inducing-the-formation-of-edema
#2
Luo Ying Yang, Xia Li, Wen Ting Li, Jian Cong Huang, Zhi Yuan Wang, Zi Zhen Huang, Li Hong Chang, Ge Hua Zhang
PURPOSE: We have found that expression of γδT cells is increased in pathological mucosa of chronic rhinosinusitis with nasal polyps (CRSwNP) compared with normal nasal mucosa. This increase is correlated with the infiltration of eosinophils in CRSwNP. Here, we investigated the expression of γδT cells, inflammation and tissue remodeling factors as well as their probable relationships in different types of chronic rhinosinusitis (CRS) in China. METHODS: A total of 76 surgical tissue samples that included 43 CRSwNP samples (15 eosinophilic and 28 non-eosinophilic), 17 CRS samples without nasal polyps (CRSsNP), and 16 controls were obtained...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28101856/relationship-of-long-term-prognosis-to-mmp-and-timp-polymorphisms-in-patients-after-st-elevation-myocardial-infarction
#3
Monika Pavkova Goldbergova, Jiri Jarkovsky, Jolana Lipkova, Simona Littnerova, Martin Poloczek, Jindrich Spinar, Lenka Kubkova, Krystyna Kluz, Petr Kala, Jan Manousek, Anna Vasku, Jiri Parenica
The influence of polymorphisms in the large group of MMP and TIMP genes on clinical outcomes in patients after ST elevation myocardial infarction (STEMI) treated with primary PCI was analysed. In total, 550 consecutive Caucasian patients with STEMI were included in the present study, with a median of 32 months. We analysed 19 polymorphisms in the genes coding MMP and TIMP genes. The MMP-1 -519A/G and -422A/T polymorphisms are associated with combined endpoint after myocardial infarction. The hazard ratio for AT variant of MMP-1 -422A/T was 1...
January 18, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28098912/microrna-9-limits-hepatic-fibrosis-by-suppressing-the-activation-and-proliferation-of-hepatic-stellate-cells-by-directly-targeting-mrp1-abcc1
#4
Jie Sun, Huanying Zhang, Liying Li, Lianfeng Yu, Lifang Fu
Liver fibrosis is a chronic liver disease characterized by the proliferation and activation of hepatic stellate cells (HSCs) and excessive deposition of extracellular matrix (ECM). Research suggests that microRNAs (miRNAs) are a new type of regulator of liver fibrosis. In the present study, we investigated the role of microRNA-9 (miR-9) in the process of liver fibrosis, as well as the underlying mechanism of action. Downregulated levels of miR-9 were found in fibrotic liver tissues and activated HSCs as detected by qRT-PCR; whereas, expression of multidrug resistance‑associated protein 1 (MRP1/ABCC1) was upregulated in the fibrotic liver tissues and activated HSCs...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098862/rhein-suppresses-matrix-metalloproteinase-production-by-regulating-the-rac1-ros-mapk-ap-1-pathway-in-human-ovarian-carcinoma-cells
#5
Guomei Zhou, Fenghui Peng, Yanping Zhong, Yanhua Chen, Min Tang, Danrong Li
Matrix metalloproteinases (MMPs) are a family of calcium-dependent zinc-containing endopeptidases, which play an integral role in migration and invasion of ovarian cancer. Rac1 proteins might mostly influence cell migration and invasion by generating endogenous reactive oxygen species. Therefore, inhibiting MMPs and regulating the Rac1/ROS/MAPK/AP-1 pathway may be a new therapeutic strategy for ovarian cancer. In this study, we found that rhein could suppress the invasion and migration of SKOV3-PM4 cells with characteristics of directional highly lymphatic metastasis...
January 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098856/anti%C3%A2-wrinkle-effect-of-fermented-black-ginseng-on-human-fibroblasts
#6
Quynh Lien Pham, Hyun-Jun Jang, Kyu-Bong Kim
Fermented black ginseng (FBG) is processed by the repeated steaming and drying of fresh ginseng followed by fermentation with Saccharomyces cerevisiae. It is known to possess anti‑oxidative effects. Skin wrinkle formation is associated with oxidative stress and inflammatory reactions. The aim of this study was to determine whether FBG possesses anti‑wrinkle activity using human fibroblasts (HS68). According to the Korea Ministry of Food and Drug Safety (MFDS) guidelines for the evaluation of the efficacy of functional anti‑wrinkle cosmetics, we attempted to elucidate the effects of FBG on type I procollagen, matrix metalloproteinase (MMP)‑1, MMP‑2, MMP‑9 and tissue inhibitor of metalloproteinase‑2 (TIMP‑2)...
January 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28092867/expression-of-mmp-2-and-timp-1-during-rapid-maxillary-expansion-in-rats
#7
Jianwei Chen, Jing Zhou, Fan Li, Jianfeng Sun, Guifeng Li, Shujuan Zou, Qingsong Ye
OBJECTIVE: The aim of this study was to investigate the expression of MMP-2 and TIMP-1 during midpalatal suture expansion in rats. DESIGN: 72 male Wistar rats were randomly divided into 2 groups: the experimental group and the control group. In the experimental group, opening loops were applied across the midpalatal suture with an initial force of 50g, whereas in the control group, rats were subjected to sham installation of opening loops without activation. On day 1, 4, 7 and 14, nine rats from each group were sacrificed, and the maxillae were dissected and prepared for Immunohistochemistry (IHC) and RT- PCR examination of MMP-2 and TIMP-1 expression...
January 4, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28090659/the-effect-of-intradetrusor-botulinum-neurotoxin-type-a-on-urinary-ngf-tgf-beta-1-timp-2-levels-in-children-with-neurogenic-detrusor-overactivity-due-to-myelodysplasia
#8
Tuncay Top, Cagri Akin Sekerci, Banu Isbilen-Basok, Yiloren Tanidir, Ilker Tinay, Ferruh Kemal Isman, Cem Akbal, Ferruh Simsek, Tufan Tarcan
AIMS: The aim of this study was to determine the value of urine nerve growth factor (NGF), transforming growth factor beta 1 (TGF-Beta-1), tissue inhibitor of matrix metalloproteinase 2 (TIMP-2) levels to predict the urodynamic profile before and after botulinum neurotoxin type A (BoNT-A) treatment in children with myelodysplasia. METHODS: This prospective study included 15 children with myelodysplasia who underwent intradetrusor BoNT-A injections due to neurogenic detrusor overactivity (NDOA)...
January 16, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28086769/effect-of-ginseng-extract-on-the-tgf-%C3%AE-1-signaling-pathway-in-ccl4-induced-liver-fibrosis-in-rats
#9
Mohamed M Hafez, Sherifa S Hamed, Manal F El-Khadragy, Zeinab K Hassan, Salim S Al Rejaie, Mohamed M Sayed-Ahmed, Naif O Al-Harbi, Khalid A Al-Hosaini, Mohamed M Al-Harbi, Ali R Alhoshani, Othman A Al-Shabanah, Shakir Dekhal Alsharari
BACKGROUND: Liver diseases are major global health problems. Ginseng extract has antioxidant, immune-modulatory and anti-inflammatory activities. This study investigated the effect of ginseng extract on carbon tetrachloride (CCl4)-induced liver fibrosis in rats. METHODS: Male Wistar rats were divided into four groups: control group, ginseng group, CCl4 group and CCl4 + ginseng group. Liver injury was induced by the intraperitoneal (I.P) injection of 3 ml/kg CCl4 (30% in olive oil) weekly for 8 weeks...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28077158/ccl2-driven-inflammation-increases-mammary-gland-stromal-density-and-cancer-susceptibility-in-a-transgenic-mouse-model
#10
Xuan Sun, Danielle J Glynn, Leigh J Hodson, Cecilia Huo, Kara Britt, Erik W Thompson, Lucy Woolford, Andreas Evdokiou, Jeffrey W Pollard, Sarah A Robertson, Wendy V Ingman
BACKGROUND: Macrophages play diverse roles in mammary gland development and breast cancer. CC-chemokine ligand 2 (CCL2) is an inflammatory cytokine that recruits macrophages to sites of injury. Although CCL2 has been detected in human and mouse mammary epithelium, its role in regulating mammary gland development and cancer risk has not been explored. METHODS: Transgenic mice were generated wherein CCL2 is driven by the mammary epithelial cell-specific mouse mammary tumour virus 206 (MMTV) promoter...
January 11, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28076311/biomarkers-of-acute-kidney-injury-the-pathway-from-discovery-to-clinical-adoption
#11
Kianoush Kashani, Wisit Cheungpasitporn, Claudio Ronco
Acute kidney injury (AKI) is a common complication of critical illnesses and has a significant impact on outcomes, including mortality and morbidities. Unfortunately, apart from prophylactic measures, no effective treatment for this syndrome is known. Therefore, early recognition of AKI not only can provide better opportunities for preventive interventions, but also opens many gates for research and development of effective therapeutic options. Over the last few years, several new AKI biomarkers have been discovered and validated to improve early detection, differential diagnosis, and differentiation of patients into risk groups for progressive renal failure, need for renal replacement therapy (RRT), or death...
January 11, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28075447/anti-metastatic-effect-of-rhodomyrtone-from-rhodomyrtus-tomentosa-on-human-skin-cancer-cells
#12
Malatee Tayeh, Sirinun Nilwarangoon, Wilawan Mahabusarakum, Ramida Watanapokasin
This study focused on the inhibitory effect of rhodomyrtone, a bioactive compound isolated from the leaves of Rhodomyrtus tomentosa (Aiton) Hassk., on cancer metastasis in epidermoid carcinoma A431 cells and on the verification of the underlying related molecular mechanisms of this event. We demonstrated that rhodomyrtone at the subcytotoxic concentration (0.5 and 1.5 µg/ml) exhibited pronounced inhibition of cancer metastasis by reducing cell migration, cell adhesive ability and cell invasion of A431 cells in a dose-dependent manner...
January 9, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28073648/elevated-neutrophil-elastase-in-tears-of-ocular-graft-versus-host-disease-patients
#13
Samer N Arafat, Marie-Claude Robert, Tulio Abud, Sandra Spurr-Michaud, Francisco Amparo, Claes H Dohlman, Reza Dana, Ilene K Gipson
PURPOSE: To investigate the levels of neutrophil elastase (NE), matrix metalloproteinases (MMPs) and myeloperoxidase (MPO) in tear washes of patients with ocular graft-versus-host disease (oGVHD). DESIGN: Case-control study. METHODS: Based on established criteria, oGVHD patients (n = 14; 28 eyes) and age/sex-matched healthy controls (n = 14; 28 eyes) were enrolled. Tear washes were collected and analyzed for NE using a single-analyte enzyme-linked immunosorbent assay (ELISA)...
January 7, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28064417/the-mmp-9-timp-1-system-is-involved-in-fluoride-induced-reproductive-dysfunctions-in-female-mice
#14
Hong-Wei Wang, Wen-Peng Zhao, Pan-Pan Tan, Jing Liu, Jing Zhao, Bian-Hua Zhou
A total of 84 healthy female mice were kept with various concentrations of sodium fluoride (F) (0, 50, 100, 150 mg F(-)/L in drinking water for 90 days) and were then mated with healthy male mice for 1 week to study the effect of excessive fluoride on female reproductive function, particularly in embryo implantation. The rate of pregnancy, litter size, and the birth weight of female mice were evaluated. Ultrastructural changes of uteri tissues were observed by transmission electron microscopy (TEM). The mRNA expression levels of MMP-9 and TIMP-1 were determined by quantitative real-time PCR...
January 7, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28064223/influence-of-periostin-on-synoviocytes-in-knee-osteoarthritis
#15
Yutaro Tajika, Tatsuya Moue, Shintaro Ishikawa, Kazuhito Asano, Takayuki Okumo, Hiroshi Takagi, Tadashi Hisamitsu
BACKGROUND: Periostin (POSTN) is a protein that binds to integrins to support adhesion and migration of epithelial cells. Mice lacking this gene exhibit cardiac valve disease as well as skeletal and dental defects. Recent studies indicated that periostin is involved in the pathogenesis and progression of knee osteoarthritis (OA). We investigated the influence of periostin and matrix metalloproteinases (MMPs) on OA synoviocytes. MATERIALS AND METHODS: OA patients were classified according to the Kellgren-Lawrence system and the levels of periostin, interleukin (IL)-4, IL-13 and transforming growth factor-β (TGFβ) in the synovial fluid were measured...
January 2017: In Vivo
https://www.readbyqxmd.com/read/28061032/effects-of-platelet-rich-plasma-with-concomitant-use-of-a-corticosteroid-on-tenocytes-from-degenerative-rotator-cuff-tears-in-interleukin-1%C3%AE-induced-tendinopathic-conditions
#16
Chris Hyunchul Jo, Seung Yeon Lee, Kang Sup Yoon, Sue Shin
BACKGROUND: A corticosteroid injection is commonly used to treat tendinopathy, but it has been associated with negative effects on tendon homeostasis. Platelet-rich plasma (PRP) is known to have proliferative and anabolic effects as well as cytoprotective effects against corticosteroids on tenocytes. However, the combined effects of a corticosteroid and PRP on the anti-inflammatory, matrix synthesis, and cytoprotective potential of tenocytes in conditions simulating tendinopathy have not been investigated...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28054366/the-role-of-molecular-pain-biomarkers-in-temporomandibular-joint-internal-derangement
#17
REVIEW
Malin Ernberg
There is evidence that low-grade inflammation may be responsible for pain and development of degenerative changes in temporomandibular joint internal derangement. This article reviews the current knowledge of the molecular mechanisms behind TMJ internal derangements. A non-systematic search was carried out in PubMed, Embase, and the Cochrane library for studies regarding pathophysiological mechanisms behind internal derangements focusing on pain mediating inflammatory and cartilage degrading molecules. Recent data suggests that release of cytokines may be the key event for pain and cartilage destruction in TMJ internal derangements...
January 5, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28050662/metalloproteinases-and-their-inhibitors-in-patients-with-inguinal-hernia
#18
Arda Isik, Cebrail Gursul, Kemal Peker, Merve Aydın, Deniz Fırat, İsmayil Yılmaz
AIM: The aim of this prospective study is to investigate if there is a relationship between inguinal hernia, matrix metalloproteinases (MMPs), and tissue inhibitors of metalloproteinases (TIMPs). MATERIALS AND METHODS: This case control study was performed on patients admitted to the general surgery department of Erzincan University Hospital. Four groups were created: control, indirect hernia, direct hernia, and bilateral hernia. All groups were comprised of 11 patients...
January 3, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28049462/new-herbal-composition-oa-f2-protects-cartilage-degeneration-in-a-rat-model-of-collagenase-induced-osteoarthritis
#19
Pallavi S Nirmal, Suresh D Jagtap, Aarti N Narkhede, Bhagyashri E Nagarkar, Abhay M Harsulkar
BACKGROUND: Prevalence of osteoarthritis (OA) is on rise on the global scale. At present there are no satisfactory pharmacological agents for treating OA. Our previous study showed that Sida cordifolia L. and Zingiber officinale Rosc. had protective effect on cartilage. Here, we describe the effect of OA-F2, a herbal formulation prepared using combination of these two plants in alleviating OA associated symptoms in a rat model of collagenase-induced OA. METHODS: OA was induced by intra-articular injection of collagenase type II in wistar rats...
January 3, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28043356/anethole-improves-the-in%C3%A2-vitro-development-of-isolated-caprine-secondary-follicles
#20
N A R Sá, V R Araújo, H H V Correia, A C A Ferreira, D D Guerreiro, A M Sampaio, E Escobar, F W Santos, A A Moura, C H Lôbo, V M Ceccatto, C C Campello, A P R Rodrigues, J H Leal-Cardoso, J R Figueiredo
The aim of this study was to investigate the effect of three concentrations of anethole (30, 300, and 2000 μg/mL) on survival, antrum formation, follicular diameter, and oocyte maturation in the caprine species. The study also evaluated the effects of anethole on transcripts of ICAM-1, CAV-1, TIMP-2, and PAI-1 genes and levels of reactive oxygen species (ROS) in isolated goat preantral ovarian follicles before and after in vitro culture for 18 days. Preantral follicles were isolated from goat ovaries and individually cultured in alpha minimum essential medium modified (α-MEM(+)), defined as the control treatment, α-MEM(+) supplemented with ascorbic acid at a concentration of 100 μg/mL (AA), or α-MEM(+) supplemented with three different concentrations of anethole (30, 300, 2000 μg/mL) for a period of 18 days...
February 2017: Theriogenology
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