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https://www.readbyqxmd.com/read/28927665/fgd5-sustains-vascular-endothelial-growth-factor-a-vegfa-signaling-through-inhibition-of-proteasome-mediated-vegf-receptor-2-degradation
#1
Johan Heldin, Paul O'Callaghan, Rodrigo Hernández Vera, Peder Fredlund Fuchs, Pär Gerwins, Johan Kreuger
The complete repertoire of endothelial functions elicited by FGD5, a guanine nucleotide exchange factor activating the Rho GTPase Cdc42, has yet to be elucidated. Here we explore FGD5's importance during vascular endothelial growth factor A (VEGFA) signaling via VEGF receptor 2 (VEGFR2) in human endothelial cells. In microvascular endothelial cells, FGD5 is located at the inner surface of the cell membrane as well as at the outer surface of EEA1-positive endosomes carrying VEGFR2. The latter finding prompted us to explore if FGD5 regulates VEGFR2 dynamics...
September 16, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28927471/a-vascular-endothelial-growth-factor-a-genetic-variant-is-associated-with-improved-ventricular-function-and-transplant-free-survival-after-surgery-for-non-syndromic-chd
#2
Constantine D Mavroudis, Daniel Seung Kim, Nancy Burnham, Alexandra H Morss, Jerry H Kim, Amber A Burt, David R Crosslin, Donna M McDonald-McGinn, Elaine H Zackai, Meryl S Cohen, Susan C Nicolson, Thomas L Spray, Ian B Stanaway, Deborah A Nickerson, Mark W Russell, Hakon Hakonarson, Gail P Jarvik, J William Gaynor
BACKGROUND: We have previously shown that the minor alleles of vascular endothelial growth factor A (VEGFA) single-nucleotide polymorphism rs833069 and superoxide dismutase 2 (SOD2) single-nucleotide polymorphism rs2758331 are both associated with improved transplant-free survival after surgery for CHD in infants, but the underlying mechanisms are unknown. We hypothesised that one or both of these minor alleles are associated with better systemic ventricular function, resulting in improved survival...
September 20, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28926193/association-between-cfh-cfb-arms2-serpinf1-vegfr1-and-vegf-polymorphisms-and-anatomical-and-functional-response-to-ranibizumab-treatment-in-neovascular-age-related-macular-degeneration
#3
Estefania Cobos, Sergio Recalde, Jaouad Anter, Maria Hernandez-Sanchez, Carla Barreales, Leticia Olavarrieta, Alicia Valverde, Marta Suarez-Figueroa, Fernando Cruz, Maximino Abraldes, Julian Pérez-Pérez, Patricia Fernández-Robredo, Luis Arias, Alfredo García-Layana
PURPOSE: We sought to determine if specific genetic single nucleotide polymorphisms (SNPs) influence vascular endothelial growth factor inhibition response to ranibizumab in neovascular age-related macular degeneration (AMD). METHODS: A total of 403 Caucasian patients diagnosed with exudative AMD were included. After a three-injection loading phase, a pro re nata regimen was followed. Nine SNPs from six different genes (CFH, CFB, ARMS2, SERPINF1, VEGFR1, VEGF) were genotyped...
September 19, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28925397/coactosin-like-protein-clp-cotl1-suppresses-breast-cancer-growth-through-activation-of-il-24-perp-and-inhibition-of-non-canonical-tgf%C3%AE-signaling
#4
L Xia, X Xiao, W L Liu, Y Song, T J J Liu, Y J Li, E Zacksenhaus, X J Hao, Y Ben-David
Coactosin-like protein (CLP, or Cotl1), is an F-actin-binding protein, whose role in cancer is largely unknown. Here we show that CLP/Cotl1 is highly expressed in a rat epithelial breast cancer cell line (FE1.3) compared with its mesenchymal counterpart (FE1.2). Knockdown of CLP/Cotl1 in FE1.3 cells increased cell proliferation, whereas its overexpression in FE1.2 cells inhibited proliferation in culture and reduced tumor growth in xenograft assays in mice. Mechanistically, we identified two major pathways through which CLP/Cotl1 exerts its suppressive effects...
September 18, 2017: Oncogene
https://www.readbyqxmd.com/read/28924218/uncontrolled-angiogenic-precursor-expansion-causes-coronary-artery-anomalies-in-mice-lacking-pofut1
#5
Yidong Wang, Bingruo Wu, Pengfei Lu, Donghong Zhang, Brian Wu, Shweta Varshney, Gonzalo Del Monte-Nieto, Zhenwu Zhuang, Rabab Charafeddine, Adam H Kramer, Nicolas E Sibinga, Nikolaos G Frangogiannis, Richard N Kitsis, Ralf H Adams, Kari Alitalo, David J Sharp, Richard P Harvey, Pamela Stanley, Bin Zhou
Coronary artery anomalies may cause life-threatening cardiac complications; however, developmental mechanisms underpinning coronary artery formation remain ill-defined. Here we identify an angiogenic cell population for coronary artery formation in mice. Regulated by a DLL4/NOTCH1/VEGFA/VEGFR2 signaling axis, these angiogenic cells generate mature coronary arteries. The NOTCH modulator POFUT1 critically regulates this signaling axis. POFUT1 inactivation disrupts signaling events and results in excessive angiogenic cell proliferation and plexus formation, leading to anomalous coronary arteries, myocardial infarction and heart failure...
September 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28917434/quantitative-analysis-of-four-protein-biomarkers-an-automated-microfluidic-cartridge-based-method-and-its-comparison-to-colorimetric-elisa
#6
REVIEW
Mark Dysinger, Greg Marusov, Stephanie Fraser
Biomarker quantitation with ligand binding assays has matured greatly in recent years. This maturation has been partly in response to demands for more data points from fewer samples or less available sample volume. Multiplexing offers opportunities to acquire data for multiple analytes from single sample assay iterations, but has its own unique challenges and limitations. ProteinSimple has developed Simple Plex™, an automated immunoassay platform consisting of microfluidic cartridge-based assays run on the Ella instrument...
September 13, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28911139/preeclampsia-downregulates-micrornas-in-fetal-endothelial-cells-roles-of-mir-29a-c-3p-in-endothelial-function
#7
Chi Zhou, Qing-Yun Zou, Hua Li, Rui-Fang Wang, Ai-Xia Liu, Ronald R Magness, Jing Zheng
Context: Preeclampsia is a leading cause of fetal and maternal morbidity and mortality during pregnancy. Although the etiology of preeclampsia is unknown, preeclampsia offspring have increased risks of developing cardiovascular disorders in adulthood, implicating that preeclampsia programs fetal vasculature in utero. Objective: We hypothesize that preeclampsia alters expression profiles of endothelial microRNAs (miRNAs) in fetal endothelial cells and disturbs the vascular endothelial growth factor A (VEGFA)- and fibroblast growth factor 2 (FGF2)-induced endothelial function...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28901452/screening-critical-genes-associated-with-malignant-glioma-using-bioinformatics-analysis
#8
Yonggang Xu, Jie Wang, Yanbin Xu, Hong Xiao, Jianhua Li, Zhi Wang
Malignant gliomas are high‑grade gliomas, which are derived from glial cells in the spine or brain. To examine the mechanisms underlying malignant gliomas in the present study, the expression profile of GSE54004, which included 12 grade II astrocytomas, 33 grade III astrocytomas and 98 grade IV astrocytomas, was downloaded from the Gene Expression Omnibus. Using the Limma package in R, the differentially expressed genes (DEGs) in grade III, vs. grade II astrocytoma, grade IV, vs. grade II astrocytoma, and grade IV, vs...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901424/tumor-suppressor-microrna%C3%A2-613-inhibits-glioma-cell-proliferation-invasion-and-angiogenesis-by-targeting-vascular-endothelial-growth-factor-a
#9
Xiongwu Yu, Weimin Wang
MicroRNAs (miRNAs) are small non‑coding RNAs which can serve as oncogenes or tumor suppressors in glioma. The present study aimed to investigate the expression of miR‑613 in glioma. Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) was used to detect miR‑613 in glioma cells and tissues and the relationship between miR‑613 and vascular endothelial growth factor (VEGF) A was assessed using a luciferase reporter assay. In addition, glioma cells were transfected with miR‑613 mimics and the mRNA and protein expression of VEGFA was detected using RT‑qPCR and western blot analysis, respectively...
September 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900857/endovascular-biopsy-in-vivo-cerebral-aneurysm-endothelial-cell-sampling-and-gene-expression-analysis
#10
Daniel L Cooke, David B McCoy, Van V Halbach, Steven W Hetts, Matthew R Amans, Christopher F Dowd, Randall T Higashida, Devon Lawson, Jeffrey Nelson, Chih-Yang Wang, Helen Kim, Zena Werb, Charles McCulloch, Tomoki Hashimoto, Hua Su, Zhengda Sun
There is limited data describing endothelial cell (EC) gene expression between aneurysms and arteries partly because of risks associated with surgical tissue collection. Endovascular biopsy (EB) is a lower risk alternative to conventional surgical methods, though no such efforts have been attempted for aneurysms. We sought (1) to establish the feasibility of EB to isolate viable ECs by fluorescence-activated cell sorting (FACS), (2) to characterize the differences in gene expression by anatomic location and rupture status using single-cell qPCR, and (3) to demonstrate the utility of unsupervised clustering algorithms to identify cell subpopulations...
September 13, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28900482/study-on-inhibitory-effect-of-maimendong-decoction-and-weijing-decoction-combination-with-cisplatin-on-nci-a549-xenograft-in-nude-mice-and-its-mechanism
#11
Fei Xiong, Miao Jiang, Meijuan Chen, Xiaoxia Wang, Shiping Zhang, Jing Zhou, Ke Li, Yan Sheng, Lian Yin, Yuping Tang, Lihong Ye, Mianhua Wu, Haian Fu, Xu Zhang
MaiMenDong Decoction and WeiJing Decoction (Jin formula) is a traditional Chinese medication that consists of 8 medicinal plants, which recorded in the classical TCM literature Jin Kui Yao Lue and has been utilized in the treatment of lung diseases for hundreds of years in China. The present study aimed to determine the anti-tumor activity and the underlying mechanisms of Jin formula combined with cisplatin in the treatment of non-small cell lung cancer (NSCLC). Xenograft model of NCI-A549 was established in Balb/c nude mice...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28888575/fascaplysin-inhibit-ovarian-cancer-cell-proliferation-and-metastasis-through-inhibiting-cdk4
#12
Shuo Chen, Xue Guan, Li-Li Wang, Bo Li, Xiu-Bo Sang, Yao Liu, Yang Zhao
OBJECTIVE: Cyclin-dependent kinases (CDKs) are important regulators of the cell cycle; previous studies have shown that misregulation of CDK4 (cyclin-dependent kinase 4) activity can lead to cancer. The present study investigated the anti-tumor effects of a highly selective CDK4 inhibitor fascaplysin in ovarian carcinoma cell lines. MATERIALS AND METHODS: In our study, cell proliferation, cell cycle, cell apoptosis, cell invasion, and cell migration relative assays were performed in ovarian cancer cell lines A2780 and OVCAR3 in the presence of different concentrations of fascaplysin...
September 6, 2017: Gene
https://www.readbyqxmd.com/read/28887642/evaluation-of-the-functional-capacity-of-nk-cells-of-melanoma-patients-in-an-in-vitro-model-of-nk-cell-contact-with-k562-and-femx-tumor-cell-lines
#13
Gordana Konjevic, Ana Vuletic, Katarina Mirjacic Martinovic, Ana Krivokuca, Radmila Jankovic, Nada Babovic
NK cells of metastatic melanoma (MM) patients display impaired function, making them incapable to mount an effective antitumor response. In this study, we evaluated immunophenotypic characteristics and functional capacity of CD3(-)CD16(+) NK cells of MM patients in an in vitro model based on NK cell contact with an NK sensitive, K562, and a tumor-specific, melanoma FemX tumor cell line. Although our results indicate similar NK cell antitumor cytotoxic potential of MM patients in contact with both cell lines based on the expression of CD107a degranulation marker, there is a discrepancy in NK cell IFNγ production, as it is not significantly induced by FemX tumor cells, found to be, contrary to K562, HLA class I positive...
September 8, 2017: Journal of Membrane Biology
https://www.readbyqxmd.com/read/28881626/relevance-of-ccl3-ccr5-axis-in-oral-carcinogenesis
#14
Janine Mayra da Silva, Tálita Pollyanna Moreira Dos Santos, Lays Martin Sobral, Celso Martins Queiroz-Junior, Milene Alvarenga Rachid, Amanda E I Proudfoot, Gustavo Pompermaier Garlet, Aline Carvalho Batista, Mauro Martins Teixeira, Andréia Machado Leopoldino, Remo Castro Russo, Tarcília Aparecida Silva
The chemokine CCL3 is a chemotactic cytokine crucial for inflammatory cell recruitment in homeostatic and pathological conditions. CCL3 might stimulate cancer progression by promoting leukocyte accumulation, angiogenesis and tumour growth. The expression of CCL3 and its receptors CCR1 and CCR5 was demonstrated in oral squamous cell carcinoma (OSCC), but their role was not defined. Here, the functions of CCL3 were assessed using a model of chemically induced tongue carcinogenesis with 4-nitroquinoline-1-oxide (4NQO)...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880739/methionine-supplemented-diet-affects-the-expression-of-cardiovascular-disease-related-genes-and-increases-inflammatory-cytokines-in-mice-heart-and-liver
#15
Alexandre Ferro Aissa, Catia Lira do Amaral, Vinicius Paula Venancio, Carla da Silva Machado, Lívia Cristina Hernandes, Patrick Wellington da Silva Santos, Rui Curi, Maria de Lourdes Pires Bianchi, Lusânia Maria Greggi Antunes
Some important environmental factors that influence the development of cardiovascular diseases (CVD) include tobacco, excess alcohol, and unhealthy diet. Methionine obtained from the diet participates in the synthesis of DNA, proteins, lipids and affects homocysteine levels, which is associated with the elevated risk for CVD development. Therefore, the aim of this study was to investigate the manner in which dietary methionine might affect cellular mechanisms underlying CVD occurrence. Swiss albino mice were fed either control (0...
September 7, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28860810/low-concentration-of-quercetin-antagonizes-the-invasion-and-angiogenesis-of-human-glioblastoma-u251-cells
#16
Yue Liu, Zhen-Gang Tang, Jian-Quan Yang, Yi Zhou, Ling-Hu Meng, Heng Wang, Cai-Li Li
Glioblastoma is the most aggressive type of brain tumor with a very poor prognosis. Therefore, it is always of great importance to explore and develop new potential treatment for glioblastoma. Quercetin, a flavonoid present in a variety of human foods, has been shown to inhibit various tumor cell proliferation. In this study, we found that treating human glioblastoma U251 cells with 10 μg/mL quercetin for 24 hours, a concentration that was far below the IC50 (113.65 μg/mL) and at which quercetin failed to inhibit cell proliferation, inhibited cell migration (30%) and cell invasion as examined by wound scratch assay and transwell assay, respectively...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28860807/clinical-significance-and-prospective-molecular-mechanism-of-malat1-in-pancreatic-cancer-exploration-a-comprehensive-study-based-on-the-genechip-geo-oncomine-and-tcga-databases
#17
Zu-Cheng Xie, Yi-Wu Dang, Dan-Ming Wei, Peng Chen, Rui-Xue Tang, Qian Huang, Jiang-Hua Liu, Dian-Zhong Luo
PURPOSE: Long noncoding RNAs (lncRNAs) are known to function as regulators in the development and occurrence of various tumors. MALAT1 is a highly conserved lncRNA and has vital functions in diverse tumors, including pancreatic cancer (PC). However, the underlying molecular regulatory mechanism involved in the occurrence and development of PC remains largely unknown. Thus, it is important to explore MALAT1 in PC and elucidate its function, which might offer a new perspective for clinical diagnosis and therapy...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28843252/overexpression-of-antiangiogenic-vascular-endothelial-growth-factor-isoform-and-splicing-regulatory-factors-in-oral-laryngeal-and-pharyngeal-squamous-cell-carcinomas
#18
Patrícia Matos Biselli-Chicote, Joice Matos Biselli, Bianca R Cunha, Rodrigo Castro, José Victor Maniglia, Dalísio de Santi Neto, Eloiza Helena Tajara, José Franscisco de Góis Filho, Erica Erina Fukuyama, Érika Cristina Pavarino, Eny Maria Goloni-Bertollo
Background: Overexpression of proangiogenic vascular endothelial growth factor A family VEGFAxxx is associated with tumor growth and metastasis. The role of the alternatively spliced antiangiogenic family VEGFAxxxb is poorly investigated in head and neck squamous cell carcinomas (HNSCCs). The antiangiogenic isoform binds to bevacizumab and its expression level could influence the treatment response and progression-free survival. In this study, the relative expression of VEGFAxxx and VEGFA165b isoforms and splicing regulatory factors genes was investigated in a series of HNSCCs...
August 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28841807/development-of-a-novel-nano-sized-anti-vegfa-nanobody-with-enhanced-physicochemical-and-pharmacokinetic-properties
#19
Farnaz Khodabakhsh, Dariush Norouzian, Behrouz Vaziri, Reza Ahangari Cohan, Soroush Sardari, Fereidoun Mahboudi, Mahdi Behdani, Kamran Mansouri, Ardavan Mehdizadeh
Since physiological and pathological processes occur at nano-environments, nanotechnology has considered as an efficient tool for designing of next generation specific biomolecules with enhanced pharmacodynamic and pharmacodynamic properties. In the current investigation, by control of the size and hydrodynamic volume at the nanoscale, for the first time, physicochemical and pharmacokinetic properties of an anti-VEGFA nanobody was remarkably improved by attachment of a Proline-Alanine-Serine (PAS) rich sequence...
August 25, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28835693/microrna-profile-for-health-risk-assessment-environmental-exposure-to-persistent-organic-pollutants-strongly-affects-the-human-blood-microrna-machinery
#20
Julian Krauskopf, Theo M de Kok, Dennie G Hebels, Ingvar A Bergdahl, Anders Johansson, Florentin Spaeth, Hannu Kiviranta, Panu Rantakokko, Soterios A Kyrtopoulos, Jos C Kleinjans
Persistent organic pollutants (POPs) are synthetic chemical substances that accumulate in our environment. POPs such as polychlorinated biphenyls (PCBs), hexachlorobenzene (HCB) and dichlorodiphenyltrichloroethane (DDT) have been classified as carcinogenic to humans and animals. Due to their resistance to biodegradation humans are still exposed to these compounds worldwide. We aim to evaluate the miRNA and transcriptomic response of a human population exposed to POPs. The miRNA and transcriptomic response was measured in blood of healthy subjects by microarray technology and associated with the serum concentrations of six PCB congeners, DDE (a common DDT metabolite), and HCB...
August 23, 2017: Scientific Reports
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