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https://www.readbyqxmd.com/read/28444820/casticin-impairs-cell-migration-and-invasion-of-mouse-melanoma-b16f10-cells-via-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#1
Yung-Luen Shih, Hsiao-Min Chou, Hsiu-Chen Chou, Hsu-Feng Lu, Yung-Lin Chu, Hung-Sheng Shang, Jing-Gung Chung
Casticin, a polymethoxyflavone, is one of the major active components obtained from Fructus viticis, which have been shown to have anticancer activities including induce cell apoptosis in human cancer cells. The aim of this study was to investigate the molecular mechanisms by which casticin inhibits cell migration and invasion of mouse melanoma B16F10 cells. Cell viability was examined by MTT assay and the results indicated that casticin decreased the total percentages of viable cells in dose-dependent manners...
April 26, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28441400/a-genomics-approach-identifies-selective-effects-of-trans-resveratrol-in-cerebral-cortex-neuron-and-glia-gene-expression
#2
Gemma Navarro, Eva Martínez-Pinilla, Alejandro Sánchez-Melgar, Raquel Ortiz, Véronique Noé, Mairena Martín, Carlos Ciudad, Rafael Franco
The mode of action of trans-resveratrol, a promising lead compound for the development of neuroprotective drugs, is unknown. Data from a functional genomics study were retrieved with the aim to find differentially expressed genes that may be involved in the benefits provided by trans-resveratrol. Genes that showed a significantly different expression (p<0.05, cut-off of a two-fold change) in mice fed with a control diet or a control diet containing trans-resveratrol were different in cortex, heart and skeletal muscle...
2017: PloS One
https://www.readbyqxmd.com/read/28424512/human-umbilical-cord-plasma-proteins-revitalize-hippocampal-function-in-aged-mice
#3
Joseph M Castellano, Kira I Mosher, Rachelle J Abbey, Alisha A McBride, Michelle L James, Daniela Berdnik, Jadon C Shen, Bende Zou, Xinmin S Xie, Martha Tingle, Izumi V Hinkson, Martin S Angst, Tony Wyss-Coray
Ageing drives changes in neuronal and cognitive function, the decline of which is a major feature of many neurological disorders. The hippocampus, a brain region subserving roles of spatial and episodic memory and learning, is sensitive to the detrimental effects of ageing at morphological and molecular levels. With advancing age, synapses in various hippocampal subfields exhibit impaired long-term potentiation, an electrophysiological correlate of learning and memory. At the molecular level, immediate early genes are among the synaptic plasticity genes that are both induced by long-term potentiation and downregulated in the aged brain...
April 19, 2017: Nature
https://www.readbyqxmd.com/read/28423650/mir-425-5p-promotes-invasion-and-metastasis-of-hepatocellular-carcinoma-cells-through-scai-mediated-dysregulation-of-multiple-signaling-pathways
#4
Feng Fang, Tianqiang Song, Ti Zhang, Yunlong Cui, Gewen Zhang, Qingqing Xiong
MicroRNAs (miRNAs) play critical roles in hepatocellular carcinoma (HCC) progression and are key determinants of prognosis. In this study, we found that miR-425-5p was elevated in HCC and correlated with poor prognostic clinicopathological features and low post-operative long-term survival. Multivariate survival analysis indicated that miR-425-5p expression was an independent risk factor for overall and disease-free survival. Interestingly, miR-425-5p promoted invasion and metastasis by HCC cells, but not HCC cell proliferation or apoptosis in vitro...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28392461/recombinant-egfr-mmp-2-bi-targeted-fusion-protein-markedly-binding-to-non-small-cell-lung-carcinoma-and-exerting-potent-therapeutic-efficacy
#5
Jian Xu, Yue Du, Xiu-Jun Liu, Bing-Yan Zhu, Sheng-Hua Zhang, Liang Li, Yi Li, Xiao-Fei Wang, Chuan-Kun Shan, Rui-Qi Wang, Yong-Su Zhen
Overexpression of EGFR and MMP-2 plays an essential role in the initiation and progression of non-small-cell lung carcinoma (NSCLC). In this study, a novel format of EGFR/MMP-2 bi-targeted fusion protein Ec-LDP-TIMP2 and its enediyne-integrated analogue Ec-LDP(AE)-TIMP2 have been prepared by genetic engineering and molecular reconstitution. The Ec-LDP(AE)-TIMP2 comprises endogenous inhibitor of matrix metalloproteinase 2 (TIMP2), EGF-derived oligopeptide (Ec), lidamycin apoprotein (LDP), and the extremely potent cytotoxic enediyne (AE)...
April 6, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28392366/mirna-221-acts-as-an-oncogenic-role-by-directly-targeting-timp2-in-non-small-cell-lung-carcinoma
#6
Zijun Yin, Meng Xu, Ping Li
MicroRNA-221 (miRNA-221) plays an important role in occurrence and development of tumor. However, expression pattern and role of miRNA-221 in the non-small-cell lung carcinoma (NSCLC) remains poorly understood. In the current study, we explored the roles and the underlying mechanism of miR-221 in NSCLC by gain and loss of function analysis. We found that the expression of miRNA-221 is significantly higher in NSCLC tissues and NSCLC cells compared to normal tissues and cells, respectively (P<0.05). NSCLC cell lines SPCA1 and H1299 were transfected with miRNA-221 mimic or inhibitor, respectively, and then performed to analysis...
April 6, 2017: Gene
https://www.readbyqxmd.com/read/28382019/transcriptome-analysis-showed-a-differential-signature-between-invasive-and-non-invasive-corticotrophinomas
#7
Leonardo Jose Tadeu de Araújo, Antonio Marcondes Lerario, Margaret de Castro, Clarissa Silva Martins, Marcello Delano Bronstein, Marcio Carlos Machado, Ericka Barbosa Trarbach, Maria Candida Barisson Villares Fragoso
ACTH-dependent hypercortisolism caused by a pituitary adenoma [Cushing's disease (CD)] is the most common cause of endogenous Cushing's syndrome. CD is often associated with several morbidities, including hypertension, diabetes, osteoporosis/bone fractures, secondary infections, and increased cardiovascular mortality. While the majority (≈80%) of the corticotrophinomas visible on pituitary magnetic resonance imaging are microadenomas (MICs, <10 mm of diameter), some tumors are macroadenomas (MACs, ≥10 mm) with increased growth potential and invasiveness, exceptionally exhibiting malignant demeanor...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28356942/anti-metastatic-activity-of-fangchinoline-in-human-gastric-cancer-ags-cells
#8
Zhengrong Chen, Tengfei He, Kui Zhao, Chungen Xing
Fangchinoline (FCL) is an active component isolated from the traditional medicinal plant Stephania tetrandra S. Moore, and has been reported to possess anti-cancer functions in several types of cancers; however, the effect of FCL on gastric cancer metastasis and its underlying molecular mechanisms remain unknown. The current study aimed to investigate the effect of FCL on the cell migration and invasion of human metastatic gastric cancer AGS cells and its mechanisms. Our study demonstrates that FCL dosage dependently suppressed the adhesion, migration and invasion capacities of human gastric cancer AGS cells without obvious cytotoxic effects...
February 2017: Oncology Letters
https://www.readbyqxmd.com/read/28353090/tissue-inhibitors-of-metalloproteinase-expressing-cells-in-human-anterior-pituitary-and-pituitary-adenoma
#9
Alimuddin Tofrizal, Ken Fujiwara, Morio Azuma, Motoshi Kikuchi, Depicha Jindatip, Takashi Yashiro, Shozo Yamada
Extracellular matrix (ECM) is essential in tissue physiology and pathologic conditions such as tumorigenesis. It affects tumor cell behavior, proliferation, and metastasis. Pituitary adenomas differ in their clinical characteristics, including ECM deposition, and we recently reported that the characteristics of collagen-producing cells differed between control human anterior pituitary gland and pituitary adenomas. ECM deposition is not defined solely by production; degradation and maintenance are also important...
March 28, 2017: Medical Molecular Morphology
https://www.readbyqxmd.com/read/28299490/molecular-effects-of-fractional-ablative-erbium-yag-laser-treatment-with-multiple-stacked-pulses-on-standardized-human-three-dimensional-organotypic-skin-models
#10
Laurenz Schmitt, P M Amann, Y Marquardt, R Heise, K Czaja, P A Gerber, T Steiner, F Hölzle, Jens Malte Baron
The molecular changes in gene expression following ablative laser treatment of skin lesions, such as atrophic scars and UV-damaged skin, are not completely understood. A standardized in vitro model of human skin, to study the effects of laser treatment on human skin, has been recently developed. Therefore, the aim of the investigation was to examine morphological and molecular changes caused by fractional ablative erbium:YAG laser treatment on an in vitro full-thickness 3D standardized organotypic model of human skin...
March 15, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28270187/multiplex-serum-protein-analysis-reveals-potential-mechanisms-and-markers-of-response-to-hyperimmune-caprine-serum-in-systemic-sclerosis
#11
Niamh Quillinan, Kristina E N Clark, Bryan Youl, Jeffrey Vernes, Deirdre McIntosh, Syed Haq, Christopher P Denton
BACKGROUND: Hyperimmune caprine serum (HICS) is a novel biological therapy with potential benefit for skin in established diffuse cutaneous systemic sclerosis. Here we report multiplex protein analysis of blood samples from a placebo-controlled phase II clinical trial and explore mechanisms of action and markers of response. METHODS: Patients were treated with HICS (n = 10) or placebo (n = 10) over 26 weeks, with follow-up open-label treatment to 52 weeks in 14 patients...
March 7, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28209269/association-of-matrix-metalloproteinase-levels-with-collagen-degradation-in-the-context-of-abdominal-aortic-aneurysm
#12
V Klaus, F Tanios-Schmies, C Reeps, M Trenner, E Matevossian, H-H Eckstein, J Pelisek
OBJECTIVE/BACKGROUND: Matrix metalloproteinases (MMPs) have already been identified as key players in the pathogenesis of abdominal aortic aneurysm (AAA). However, the current data remain inconclusive. In this study, the expression of MMPs at mRNA and protein levels were investigated in relation to the degradation of collagen I and collagen III. METHODS: Tissue samples were obtained from 40 patients with AAA undergoing open aortic repair, and from five healthy controls during kidney transplantation...
February 10, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28192449/timp1-and-mmp9-are-predictors-of-mortality-in-septic-patients-in-the-emergency-department-and-intensive-care-unit-unlike-mmp9-timp1-ratio-multivariate-model
#13
Maria Eugenia Niño, Sergio Eduardo Serrano, Daniela Camila Niño, Diana Margarita McCosham, Maria Eugenia Cardenas, Vivian Poleth Villareal, Marcos Lopez, Antonio Pazin-Filho, Fabian Alberto Jaimes, Fernando Cunha, Richard Schulz, Diego Torres-Dueñas
INTRODUCTION: Matrix metalloproteinases and tissue inhibitors of metalloproteinases could be promising biomarkers for establishing prognosis during the development of sepsis. It is necessary to clarify the relationship between matrix metalloproteinases and their tissue inhibitors. We conducted a cohort study with 563 septic patients, in order to elucidate the biological role and significance of these inflammatory biomarkers and their relationship to the severity and mortality of patients with sepsis...
2017: PloS One
https://www.readbyqxmd.com/read/28183280/whole-genome-scan-reveals-the-genetic-signature-of-african-ankole-cattle-breed-and-potential-for-higher-quality-beef
#14
Mengistie Taye, Jaemin Kim, Sook Hee Yoon, Wonseok Lee, Olivier Hanotte, Tadelle Dessie, Stephen Kemp, Okeyo Ally Mwai, Kelsey Caetano-Anolles, Seoae Cho, Sung Jong Oh, Hak-Kyo Lee, Heebal Kim
BACKGROUND: Africa is home to numerous cattle breeds whose diversity has been shaped by subtle combinations of human and natural selection. African Sanga cattle are an intermediate type of cattle resulting from interbreeding between Bos taurus and Bos indicus subspecies. Recently, research has asserted the potential of Sanga breeds for commercial beef production with better meat quality as compared to Bos indicus breeds. Here, we identified meat quality related gene regions that are positively selected in Ankole (Sanga) cattle breeds as compared to indicus (Boran, Ogaden, and Kenana) breeds using cross-population (XP-EHH and XP-CLR) statistical methods...
February 9, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28158198/cerebral-microbleeds-in-a-neonatal-rat-model
#15
Brianna Carusillo Theriault, Seung Kyoon Woo, Jason K Karimy, Kaspar Keledjian, Jesse A Stokum, Amrita Sarkar, Turhan Coksaygan, Svetlana Ivanova, Volodymyr Gerzanich, J Marc Simard
BACKGROUND: In adult humans, cerebral microbleeds play important roles in neurodegenerative diseases but in neonates, the consequences of cerebral microbleeds are unknown. In rats, a single pro-angiogenic stimulus in utero predisposes to cerebral microbleeds after birth at term, a time when late oligodendrocyte progenitors (pre-oligodendrocytes) dominate in the rat brain. We hypothesized that two independent pro-angiogenic stimuli in utero would be associated with a high likelihood of perinatal microbleeds that would be severely damaging to white matter...
2017: PloS One
https://www.readbyqxmd.com/read/28139355/intra-articular-delivery-of-antago-mir-483-5p-inhibits-osteoarthritis-by-modulating-matrilin-3-and-tissue-inhibitor-of-metalloproteinase-2
#16
Hua Wang, Haiyan Zhang, Qiuyi Sun, Yun Wang, Jun Yang, Jincheng Yang, Tao Zhang, Shenqiu Luo, Liping Wang, Yu Jiang, Chun Zeng, Daozhang Cai, Xiaochun Bai
MicroRNAs (miRNAs) are emerging as important regulators in osteoarthritis (OA) pathogenesis. In our study, a real-time PCR assay revealed that miR-483-5p was upregulated in articular cartilage from OA patients and experimental OA mice induced by destabilization of the medial meniscus compared to their controls. Overexpression of miR-483-5p by intra-articular injection of lentivirus LV3-miR-483-5p significantly enhanced the severity of experimental OA. Consequently, we synthesized antago-miR-483-5p to silence the endogenous miR-483-5p and delivered it intra-articularly, which revealed that antago-miR-483-5p delayed the progression of experimental OA...
March 1, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28131910/polymorphisms-in-genes-involved-in-enamel-development-are-associated-with-dental-fluorosis
#17
Erika Calvano Küchler, Patricia Nivoloni Tannure, Daniela Silva Barroso de Oliveira, Senda Charone, Paulo Nelson-Filho, Raquel Assed Bezerra da Silva, Marcelo de Castro Costa, Leonardo Santos Antunes, Mônica Diuana Calasans Maia, Lívia Azeredo Alves Antunes
OBJECTIVE: To evaluate the association between polymorphisms in DLX1, DLX2, MMP13, TIMP1 and TIMP2 genes with dental fluorosis (DF) phenotype. DESIGN: Four hundred and eighty one subjects (108 with DF and 373 DF free) from 6 to 18 years of age were recruited. This population lived in Rio de Janeiro, a city with fluoridation of public water supplies. DF was assessed using the Deańs index modified. Only erupted permanent teeth were assessed. Genetic polymorphisms in DLX1, DLX2, MMP13, TIMP1 and TIMP2 were analyzed by real-time PCR from genomic DNA...
January 18, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28103583/angiogenesis-related-genes-may-be-a-more-important-factor-than-matrix-metalloproteinases-in-bronchopulmonary-dysplasia-development
#18
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...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28087697/development-of-high-affinity-and-high-specificity-inhibitors-of-matrix-metalloproteinase-14-through-computational-design-and-directed-evolution
#19
Valeria Arkadash, Gal Yosef, Jason Shirian, Itay Cohen, Yuval Horev, Moran Grossman, Irit Sagi, Evette S Radisky, Julia M Shifman, Niv Papo
Degradation of the extracellular matrices in the human body is controlled by matrix metalloproteinases (MMPs), a family of more than 20 homologous enzymes. Imbalance in MMP activity can result in many diseases, such as arthritis, cardiovascular diseases, neurological disorders, fibrosis, and cancers. Thus, MMPs present attractive targets for drug design and have been a focus for inhibitor design for as long as 3 decades. Yet, to date, all MMP inhibitors have failed in clinical trials because of their broad activity against numerous MMP family members and the serious side effects of the proposed treatment...
February 24, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28081267/single-nucleotide-variants-of-candidate-genes-in-aggrecan-metabolic-pathway-are-associated-with-lumbar-disc-degeneration-and-modic-changes
#20
Romain Shanil Perera, Poruwalage Harsha Dissanayake, Upul Senarath, Lalith Sirimevan Wijayaratne, Aranjan Lional Karunanayake, Vajira Harshadeva Weerabaddana Dissanayake
INTRODUCTION: Lumbar disc degeneration (LDD) is genetically determined and severity of LDD is associated with Modic changes. Aggrecan is a major proteoglycan in the intervertebral disc and end plate. Progressive reduction of aggrecan is a main feature of LDD and Modic changes. OBJECTIVES: The study investigated the associations of single nucleotide variants (SNVs) of candidate genes in the aggrecan metabolic pathway with the severity of LDD and Modic changes. In-silico functional analysis of significant SNVs was also assessed...
2017: PloS One
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