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https://www.readbyqxmd.com/read/27919958/dietary-flavonoids-luteolin-and-quercetin-suppressed-cancer-stem-cell-properties-and-metastatic-potential-of-isolated-prostate-cancer-cells
#1
Pei-Hsun Tsai, Chia-Hsiung Cheng, Chun-Yu Lin, Ying-Tang Huang, Lung-Ta Lee, Chithan C Kandaswami, Yo-Chuen Lin, Kevin Po-Hao Lee, Chin-Chun Hung, Jiuan-Jiuan Hwang, Ferng-Chun Ke, Geen-Dong Chang, Ming-Ting Lee
A highly invasive Du145-III subline was isolated by three successive passages of the parental Du145 prostate tumor cell line (Du145-P) through a Boyden chamber with matrigel-coated membrane support. Du145-III cells showed great invasion potential based on their increased ability to spread/migrate and enhanced expression/secretion of the matrix metalloproteinase 9 (MMP9). Du145-III cells exerted vasculogenic mimicry (VM) properties, reminiscent of endothelial cell characteristics and expressed elevated levels of cancer stem cell (CSC) markers, including Nanog, Sox2, CD44 and ABCG2 and ability to self-renew...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27917862/purslane-portulaca-oleracea-seed-consumption-and-aerobic-training-improves-biomarkers-associated-with-atherosclerosis-in-women-with-type-2-diabetes-t2d
#2
Firouzeh Dehghan, Rahman Soori, Khadijeh Gholami, Mitra Abolmaesoomi, Ashril Yusof, Sekaran Muniandy, Sara Heidarzadeh, Parvin Farzanegi, Mohammad Ali Azarbayjani
The aim of this study was to investigate the responses of atherosclerosis plaque biomarkers to purslane seed consumption and aerobic training in women with T2D. 196 women with T2D were assigned into; (1) placebo (PL), (2) aerobic training+placebo (AT + PL), 3) purslane seeds (PS), aerobic training+purslane seeds (AT + PS). The training program and purslane seeds consumption (2.5 g lunch and 5 g dinner) were carried out for 16 weeks. The components of purslane seed were identified and quantified by GC-MS...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27915333/prss8-is-downregulated-and-suppresses-tumour-growth-and-metastases-in-hepatocellular-carcinoma
#3
Li Zhang, Guozhan Jia, Binya Shi, Guanqun Ge, Hongbin Duan, Yunsheng Yang
BACKGROUND: Protease serine 8 (PRSS8), a trypsin-like serine peptidase, has been shown to function as a tumour suppressor in various malignancies. The present study aimed to investigate the expression pattern, prognostic value and the biological role of PRSS8 in human hepatocellular carcinoma (HCC). METHODS: PRSS8 expression in 106 HCC surgical specimens was examined by Real-time polymerase chain reaction (PCR) and immunohistochemistry, and its clinical significance was analysed...
December 5, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27914101/tuc-338-promotes-invasion-and-metastasis-in-colorectal-cancer
#4
Chenghai Wang, Zheng Wang, Jie Zhou, Shuang Liu, Cong Wu, Caihong Huang, Yongling Ding
Ultraconserved regions (UCRs) are non-protein coding gene sequences that are strictly conserved across among different species. Emerging evidence demonstrates that transcribed ultraconserved regions (TUCRs) encoding noncoding RNAs serve as regulators of gene expression. In recent decades, increasing evidence implicates the involvement of UCRs in carcinogenesis. The role of TUC.338 in cervical cancers was an oncogene in previous studies. Until now, the role of TUC.338 in colorectal cancers remains undefined...
December 3, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27910999/relationship-between-serum-cytokines-receptors-and-matrix-metalloproteinase-9-levels-and-coronary-artery-disease
#5
Seyed Reza Mirhafez, Amir Avan, Mohammad Tajfard, Shabnam Mohammadi, Mohsen Moohebati, Arash Fallah, Hamed Ghazavi, Hossein Savadi, Majid Ghayour Mobarhan
BACKGROUND: The prevalence of coronary artery disease (CAD) is increasing globally, supporting the need for the identification of novel biomarkers. Therefore in the present study, we have explored the association of SIL2A, SIL6R, STNFRI, STNFRII, and MMP9 in CAD patients. METHODS: Twenty one patients with angiographically defined CAD with more than 50% occlusion, at least, in one coronary artery and twenty healthy subjects (n=20) without the history of cardiovascular symptoms were enrolled...
December 2, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27908243/mitochondria-targeted-antioxidant-skqr1-reduces-tnf-induced-endothelial-permeability-in-vitro
#6
I I Galkin, O Yu Pletjushkina, R A Zinovkin, V V Zakharova, B V Chernyak, E N Popova
Prolonged or excessive increase in the circulatory level of proinflammatory tumor necrosis factor (TNF) leads to abnormal activation and subsequent damage to endothelium. TNF at high concentrations causes apoptosis of endothelial cells. Previously, using mitochondria-targeted antioxidants of SkQ family, we have shown that apoptosis of endothelial cells is dependent on the production of reactive oxygen species (ROS) in mitochondria (mito-ROS). Now we have found that TNF at low concentrations does not cause cell death but activates caspase-3 and caspase-dependent increase in endothelial permeability in vitro...
October 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27907201/tumor-necrosis-factor-like-weak-inducer-of-apoptosis-promotes-hepatic-stellate-cells-migration-via-canonical-nf-%C3%AE%C2%BAb-mmp9-pathway
#7
Mingcui Xu, Feng Zhang, Aixiu Wang, Chen Wang, Yu Cao, Ming Zhang, Mingming Zhang, Min Su, Xiaoping Zou, Guifang Xu, Yuzheng Zhuge
In the liver, the signal and function of tumor necrosis factor-like weak inducer of apoptosis (TWEAK) have mainly been assessed in association with liver regeneration. However, the effects of TWEAK on liver fibrosis have not been fully elucidated. To investigate the effects of TWEAK on human hepatic stellate cells (HSCs) and to explore the relevant potential mechanisms, human HSCs line-LX-2 were cultured with TWEAK. Cell migration was detected by transwell assay; cell viability was evaluated by Cell Counting Kit-8; the expression of MMP1, MMP2, MMP3, MMP7, MMP8, MMP9, MMP10, MMP11, MMP12, MMP13 gene was identified by quantitative real-time polymerase chain reaction and western blotting; the activity of matrix metalloproteinases (MMPs) was tested by enzyme-linked immuno sorbent assay; small interfering RNA transfection was applied for depletion of MMP9 and p65...
2016: PloS One
https://www.readbyqxmd.com/read/27903395/-role-of-cytokine-matrix-metalloproteinase-axis-on-promoting-vascular-neointima-hyperplasia-in-mice
#8
Y Liu, W H Ning, X H Shen, D L Guo, L Guo
Objective: To observe the effects of tumor necrosis factor-α (TNF-α) and platelet derived growth factor (PDGF) on vascular neointimal hyperplasia on matrix metalloproteinase 9/2 gene knockout (MMP9/2(-/-)) mice and explore related mechanisms. Methods: Mice of control group, MMP9(-/-) group, MMP2(-/-) group and MMP9/2(-/-) group were studied. Femoral artery was injured by transluminal wire, the mRNA expression levels of TNF-α and PDGF on femoral artery were detected by RT-PCR; the protein expression of MMP9 and MMP2 were assessed by Western blot on day 0, 1, 3, 7, 14 and 28 post injury...
November 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27900059/expression-and-survival-significance-of-b-cell-specific-moloney-murine-leukemia-virus-integration-site-1-and-matrix-metalloproteinase-9-in-non-small-cell-lung-cancer
#9
Mingkui Mu, Yang Song, Bin Zhang
One of the main challenges in lung cancer research is identifying patients at high risk of progression and metastasis following surgical resection. In the present study, the prognostic significance of B-cell-specific Moloney murine leukemia virus integration site 1 (BMI1) and matrix metalloproteinase-9 (MMP9) in non-small-cell lung cancer (NSCLC) was evaluated. BMI1 and MMP9 expression in tumors from 132 surgical NSCLC patients [squamous cell carcinoma (SCC), n=79; and adenocarcinoma (AD), n=53] was evaluated by immunohistochemistry...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899990/microarray-analysis-of-differentially-expressed-genes-and-linker-genes-associated-with-the-molecular-mechanism-of-colorectal-cancer
#10
Xingjie Shen, Meng Yue, Fansheng Meng, Jingyu Zhu, Xiaoyan Zhu, Yakun Jiang
Colorectal cancer (CRC) is one of the most prevalent malignancies worldwide and remains the third leading cause of cancer-associated mortality. The present study aimed to fully elucidate the pathogenesis of CRC and identify associated genes in tumor development. Microarray GSE44076, GSE41328 and GSE44861 datasets were downloaded from the Gene Expression Omnibus database and integrated with meta-analysis. Differentially-expressed genes (DEGs) were identified from CRC samples compared with adjacent non-cancerous controls using the Limma package in R, followed by functional analysis using the Database for Annotation, Visualization, and Integrated Discovery online tool...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899819/4-cholesten-3-one-suppresses-lung-adenocarcinoma-metastasis-by-regulating-translocation-of-hmgb1-hif1%C3%AE-and-caveolin-1
#11
Jinben Ma, Guobin Fu, Jing Wu, Shaoxian Han, Lishan Zhang, Ming Yang, Yong Yu, Mengyuan Zhang, Yanliang Lin, Yibing Wang
Metastasis is a great challenge in lung adenocarcinoma (ADC) therapy. Cholesterol has been implicated in ADC metastasis. 4-cholesten-3-one, as cholesterol metabolite and analog, can substitute membrane cholesterol and increase membrane fluidity. In this study, we explored the possibility that 4-cholesten-3-one inhibited ADC metastasis. Low-dose 4-cholesten-3-one significantly restrained ADC cells migration and invasion with little effects on cells viabilities. Further investigation showed that 4-cholesten-3-one promoted ROS generation, which transiently activated AMPKα1, increased HIF1α expression, reduced Bcl-2 expression and caused autophagy...
September 22, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27899403/meta-analysis-of-genome-wide-association-studies-for-abdominal-aortic-aneurysm-identifies-four-new-disease-specific-risk-loci
#12
Gregory T Jones, Gerard Tromp, Helena Kuivaniemi, Solveig Gretarsdottir, Annette F Baas, Betti Giusti, Ewa Strauss, Femke N van 't Hof, Thomas Webb, Robert Erdman, Marylyn D Ritchie, James R Elmore, Anurag Verma, Sarah Pendergrass, Iftikhar J Kullo, Zi Ye, Peggy L Peissig, Omri Gottesman, Shefali S Verma, Jennifer Malinowski, Laura J Rasmussen-Torvik, Kenneth Borthwick, Diane T Smelser, David R Crosslin, Mariza de Andrade, Evan J Ryer, Catherine A McCarty, Erwin P Bottinger, Jennifer A Pacheco, Dana C Crawford, David S Carrell, Glenn S Gerhard, David P Franklin, David J Carey, Victoria L Phillips, Michael J Williams, Wenhua Wei, Ross Blair, Andrew A Hill, Thodur M Vasudevan, David R Lewis, Ian A Thomson, Jo Krysa, Geraldine B Hill, Justin Roake, Tony R Merriman, Grzegorz Oszkinis, Silvia Galora, Claudia Saracini, Rosanna Abbate, Raffaele Pulli, Carlo Pratesi, Athanasios Saratzis, Anna Verissimo, Suzannah J Bumpstead, Stephen A Badger, Rachel E Clough, Gillian W Cockerill, Hany Hafez, D J Scott, T S Futers, Simon P Romaine, Katherine Bridge, Kathryn J Griffin, Marc A Bailey, Alberto Smith, Matt M Thompson, Frank van Bockxmeer, Stefan E Matthiasson, Gudmar Thorleifsson, Unnur Thorsteinsdottir, Jan D Blankensteijn, Joep A Teijink, Cisca Wijmenga, Jacqueline de Graaf, Lambertus A Kiemeney, Jes S Lindholt, Anne E Hughes, Declan T Bradley, Kathleen Stirrups, Jonathan Golledge, Paul E Norman, Janet T Powell, Steve E Humphries, Stephen E Hamby, Alison H Goodall, Christopher P Nelson, Natzi Sakalihasan, Audrey Courtois, Robert E Ferrell, Per Eriksson, Lasse Folkersen, Anders Franco-Cereceda, John D Eicher, Andrew D Johnson, Christer Betsholtz, Arno Ruusalepp, Oscar Franzén, Eric Schadt, Johan L Björkegren, Leonard Lipovich, Anne M Drolet, Eric Verhoeven, Clark J Zeebregts, Robert H Geelkerken, Marc R van Sambeek, Steven M van Sterkenburg, Jean-Paul P de Vries, Kari Stefansson, John R Thompson, Paul I de Bakker, Panos Deloukas, Robert D Sayers, Seamus Harrison, Andre M van Rij, Nilesh J Samani, Matthew J Bown
RATIONALE: Abdominal aortic aneurysm (AAA) is a complex disease with both genetic and environmental risk factors. Together, 6 previously identified risk loci only explain a small proportion of the heritability of AAA. OBJECTIVE: To identify additional AAA risk loci using data from all available genome-wide association studies (GWAS). METHODS AND RESULTS: Through a meta-analysis of 6 GWAS datasets and a validation study totalling 10,204 cases and 107,766 controls we identified 4 new AAA risk loci: 1q32...
November 29, 2016: Circulation Research
https://www.readbyqxmd.com/read/27895783/curcumin-suppresses-colon-cancer-cell-invasion-via-ampk-induced-inhibition-of-nf-%C3%AE%C2%BAb-upa-activator-and-mmp9
#13
Weihua Tong, Quan Wang, Donghui Sun, Jian Suo
Curcumin, an active nontoxic ingredient of turmeric, possesses potent anti-inflammatory, antioxidant and anti-cancer properties; however, the molecular mechanisms of curcumin are not fully understood. The transcription factor nuclear factor-κB (NF-κB) is key in cellular processes, and the expression/activation of urokinase-type plasminogen activator (uPA) and matrix metalloproteinase-9 (MMP9) are crucial for cell invasion. The present study investigated the hypothesis that curcumin inhibits colon cancer cell invasion by modulating NF-κB-mediated expression and activation of uPA and MMP9...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895782/expression-of-mmp9-serpine1-and-mir-134-as-prognostic-factors-in-esophageal-cancer
#14
Anna Agnieszka Klimczak-Bitner, Radzisław Kordek, Jan Bitner, Jacek Musiał, Janusz Szemraj
Esophageal cancer (EC) is a malignant tumor with a typically poor prognosis for patients. It is well known that certain microRNA (miRNA/miR) genes can regulate other genes responsible for carcinogenesis. In the present study, a group of these genes (miR-21, miR-134, miR-205 and miR-495) and genes connected with cancer-related pathways (MET, MMP9, PDGFA and SERPINE1) were chosen for analysis in order to find a potential correlation between their expression and the clinicopathological factors of EC. Esophageal tumors and adjacent non-cancerous tissue specimens were collected from a total of 63 patients and embedded in paraffin...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27894405/inhibition-of-matrix-metalloproteins-9-attenuated-candida-albicans-induced-inflammation-in-mouse-cornea
#15
C Dong, M G Yang
Since the severe corneal ulceration of mouse cornea is known to occur with inflammation. As one of imperative matrix metalloproteinase, the potential roles of matrix metalloproteins 9 (MMP9) in corneal ulceration and keratitis are still unveiled caused by fungal invasion. In this study, Candida albicans (CA) inoculated wild-type KM mice cornea was used as a model pathogen in corneal inflammation.  CA invasion significantly stimulated the expression of collagen IV and MMP9 detected by RT-PCR, Real-time PCR and Immunofluorescent staining in mouse cornea as soon as 6 hours post infection, and relatively decreased at 1 day post infection...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27894112/association-of-mbl2-gene-polymorphism-with-dental-caries-in-saudi-children
#16
Yousef M Alyousef, J Francis Borgio, Sayed AbdulAzeez, Naif Al-Masoud, Ali A Al-Ali, Emad Al-Shwaimi, Amein K Al-Ali
The high prevalence of dental caries in children worldwide is a major oral health problem which requires early intervention. Dental caries is mainly caused by the action of acids produced by bacteria in addition to many other factors. Recent genetic studies have reported that a number of genes are associated with the susceptibility to dental caries. The majority of these genes are associated with inflammation, increased susceptibility to infection, and dentine matrix formation. Using the TaqMan assay and direct DNA sequencing, the prevalence of 6 single-nucleotide polymorphisms (SNPs) in MMP9, MBL2, MMP2, and TIMP2 genes was determined in 102 children with caries and in 100 age-matched caries-free controls...
November 29, 2016: Caries Research
https://www.readbyqxmd.com/read/27893754/cyp26-enzymes-facilitate-second-heart-field-progenitor-addition-and-maintenance-of-ventricular-integrity
#17
Ariel B Rydeen, Joshua S Waxman
Although retinoic acid (RA) teratogenicity has been investigated for decades, the mechanisms underlying RA-induced outflow tract (OFT) malformations are not understood. Here, we show zebrafish embryos deficient for Cyp26a1 and Cyp26c1 enzymes, which promote RA degradation, have OFT defects resulting from two mechanisms: first, a failure of second heart field (SHF) progenitors to join the OFT, instead contributing to the pharyngeal arch arteries (PAAs), and second, a loss of first heart field (FHF) ventricular cardiomyocytes due to disrupted cell polarity and extrusion from the heart tube...
November 2016: PLoS Biology
https://www.readbyqxmd.com/read/27888810/m2-macrophages-induce-ovarian-cancer-cell-proliferation-via-a-heparin-binding-epidermal-growth-factor-matrix-metalloproteinase-9-intercellular-feedback-loop
#18
Molly J Carroll, Arvinder Kapur, Mildred Felder, Manish S Patankar, Pamela K Kreeger
In ovarian cancer, a high ratio of anti-inflammatory M2 to pro-inflammatory M1 macrophages correlates with poor patient prognosis. The mechanisms driving poor tumor outcome as a result of the presence of M2 macrophages in the tumor microenvironment remain unclear and are challenging to study with current techniques. Therefore, in this study we utilized a micro-culture device previously developed by our lab to model concentrated paracrine signaling in order to address our hypothesis that interactions between M2 macrophages and ovarian cancer cells induce tumor cell proliferation...
November 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27886560/serum-metalloproteinase-9-levels-increase-after-generalized-tonic-clonic-seizures
#19
Agnieszka Cudna, Anna Jopowicz, Paweł Mierzejewski, Iwona Kurkowska-Jastrzębska
Metalloproteinase 9 (MMP9) is a member of a family of enzymes that mediate the degradation of extracellular matrix proteins, and is especially involved in blood-brain barrier maintenance. Increased levels of MMP9 have been observed in many neurological disorders, including epilepsy, suggesting it may be involved in the pathogenesis of seizures. We investigated changes in MMP9 serum levels after acute seizures in epilepsy patients. Concentrations of MMP9 in serum were measured by ELISA in 43 patients 1-3, 24, and 72h after generalized tonic-clonic seizure and once in participants of the control group...
November 16, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27880866/tgf-%C3%AE-1-stimulates-movement-of-renal-proximal-tubular-epithelial-cells-in-a-three-dimensional-cell-culture-via-an-autocrine-tgf-%C3%AE-2-production
#20
Deyi Luo, Qiunong Guan, Kunjie Wang, Christopher Y C Nguan, Caigan Du
TGF-βs are multifunctional cytokines, but their roles in human renal homeostasis are not fully understood. This study investigated the role of TGF-β1 in the movement of human renal proximal tubular epithelial cells (PTECs) in a three-dimensional (3D) model. HKC-8 cells, a human PTEC line, were grown in a 3D collagen culture system. Cell movement was observed under a microscope. The gene expression was examined using PCR Arrays or qRT-PCR, and protein levels by Western blot. Here, we showed that the tight junction structure formed between adjacent cells of a HKC-8 cell colony in 3D cultures, and TGF-β1 stimulated their movement, evidenced by the appearance of fingerlike pseudopodia in the leader cells at the edge of the colonies...
November 20, 2016: Experimental Cell Research
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