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Vascular endothelial growth factor

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https://www.readbyqxmd.com/read/28749108/snp-and-haplotype-analysis-of-vascular-endothelial-growth-factor-vegf-gene-in-lung-cancer-patients-of-kashmir
#1
Niyaz A Naikoo, Dil Afroze, Roohi Rasool, Sonaullah Shah, A G Ahangar, Imtiyaz A Bhat, Iqbal Qasim, Mushtaq A Siddiqi, Zafar A Shah
Vascular endothelial growth factor (VEGF) is a major mediator of angiogenesis involving tumor growth and metastasis. In this large case-control study, we investigated whether functional polymorphisms (+405C>G, +936C>T) in the VEGF gene are associated with the risk of lung cancer. The study investigates the association between variants of VEGF gene and lung cancer. We performed single nucleotide polymorphism (SNP), haplotype and linkage disequilibrium studies on 100 patients and 128 healthy controls with 2 SNPs in the VEGF gene...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28746930/cocultivation-of-mesenchymal-stem-cells-and-endothelial-progenitor-cells-reveals-antiapoptotic-and-proangiogenic-effects
#2
Dominik Steiner, Katrin Köhn, Justus P Beier, Michael Stürzl, Raymund Horch, Andreas Arkudas
Integrating bioartificial tissues into the host vasculature is a prerequisite for tissue engineering applications. Endothelial progenitor cells (EPCs) display a high angiogenic potential and a low donor-site morbidity, making them ideal for tissue engineering applications. In our study we used a murine EPC cell line (T17b) and rat mesenchymal stem cells (MSCs) for cocultivation experiments. MSCs were cocultured with increasing T17b EPC amounts. Furthermore, MSCs in monoculture were treated with conditioned medium (CM) from T17b EPCs and T17b EPCs were treated with CM from MSCs...
July 27, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28745964/introduction-of-a-nurse-led-intravitreal-injection-service-in-ophthalmology
#3
Mary-Josephine Gallagher
Anti-VEGF (anti-vascular endothelial growth factor) agents are useful for a variety of previously untreatable eye conditions; indications for their use are increasing. As this treatment evolved from cutting-edge to mainstream NHS practice, it resulted in a significant increase in appointments for intravitreal (IVT) injections, clinical assessment and follow-up, and hence an increasing challenge to ensure its timely availability to all who needed it. In addressing that challenge, NHS Lothian successfully initiated an advanced nurse practitioner IVT service in addition to its medical IVT service, which has increased its capacity to provide the requisite high-quality care to this patient group...
July 27, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28745789/culture-conditions-of-human-embryonic-stem-cells-for-differentiation-into-retinal-vascular-structure
#4
Y-Z Pan, H Wang, F Gao
OBJECTIVE: This study sought to identify the suitable cell culture conditions for the in vitro-induced differentiation of human embryonic stem cells (hESCs) into retinal vascular tissue cell types. MATERIALS AND METHODS: To do this, we established four treatment groups. Group A was designed to culture hESCs in a three-dimensional system. The feeder cells and leukemia inhibitory factor (LIF) were removed in Group B. In group C, hESCs were cultured with a variety of pro-angiogenic growth factors...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28745660/-influence-of-vascular-endothelial-growth-factor-on-angiogenesis-and-neurogenesis
#5
A S Rud'ko, M Kh Efendieva, M V Budzinskaya, M A Karpilova
Vascular endothelial growth factor (VEGF) is known as a key mediator of angiogenesis, but there is also evidence of its broad significance in neurogenesis and neuroprotection. Cytokines of the VEGF family affect neovascularization and neural development in the brain, particularly during cerebral ischemia, in which there is a coordinated interaction of angiogenesis and neurogenesis that contributes to rapid functional recovery. This review examines the involvement of VEGF family members and their receptors in physiological and pathophysiological processes as well as the relationship between VEGF-A plasma levels and ischemic stroke...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28745314/a-muscle-specific-protein-myoferlin-modulates-il-6-stat3-signaling-by-chaperoning-activated-stat3-to-nucleus
#6
A Yadav, B Kumar, J C Lang, T N Teknos, P Kumar
Myoferlin, a member of ferlin family of proteins, was first discovered as a candidate gene for muscular dystrophy and cardiomyopathy. Recently, myoferlin was shown to be also expressed in endothelial and cancer cells where it was shown to modulate vascular endothelial growth factor (VEGFR)-2 and epidermal growth factor receptor (EGFR) signaling by enhancing their stability and recycling. Based on these reports, we hypothesized that myoferlin might be regulating IL-6 signaling by modulating IL-6R stabilization and recycling...
July 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28744882/epstein-barr-virus-positivity-is-associated-with-angiogenesis-in-and-poorer-survival-of-patients-receiving-standard-treatment-for-classical-hodgkin-s-lymphoma
#7
Young Wha Koh, Jae-Ho Han, Dok Hyun Yoon, Cheolwon Suh, Jooryung Huh
Epstein-Barr virus (EBV) is a significant contributor to the development of classical Hodgkin's lymphoma (cHL). Recent studies have documented associations between angiogenesis and EBV-associated malignancies. No study has yet examined the associations among, and prognostic implications of, EBV infection, vascular endothelial growth factor (VEGF) expression, and microvessel density (MVD) in cHL patients. Diagnostic tissues from 135 cHL patients treated with adriamycin, bleomycin, vinblastine, and dacarbazine (ABVD) were retrospectively evaluated by in situ hybridization of EBV-encoded small RNA (EBER) and immunohistochemical staining for VEGF and CD31 (a measure of MVD)...
July 26, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28744857/the-effect-of-pre-operative-methylprednisolone-on-early-endothelial-damage-after-total-knee-arthroplasty-a-randomised-double-blind-placebo-controlled-trial
#8
V Lindberg-Larsen, S R Ostrowski, M Lindberg-Larsen, M L Rovsing, P I Johansson, H Kehlet
We wished to evaluate whether inhibition of the systemic inflammatory response by a single pre-operative dose of methylprednisolone reduced markers of early endothelial damage after fast-track total knee arthroplasty. We randomly allocated 70 patients undergoing elective unilateral total knee arthroplasty (1:1) to receive either pre-operative intravenous methylprednisolone 125 mg (methylprednisolone group) or isotonic saline (control group). All procedures were performed under spinal anaesthesia without a tourniquet, using a standardised multimodal analgesic regime...
July 26, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28744693/vegfa-involves-in-the-use-of-fluvastatin-and-zoledronate-against-breast-cancer
#9
Haihong Pu, Qingyuan Zhang, Chunbo Zhao, Lei Shi, Yan Wang, Jingxuan Wang, Minghui Zhang
Our study aimed to identify key genes involved in the use of fluvastatin and zoledronate against breast cancer, as well as to investigate the roles of vascular endothelial growth factor A (VEGFA) in the malignant behaviors of breast cancer cells. The expression data GSE33552 was downloaded from Gene Expression Omnibus database, including mocked-, fluvastatin- and zoledronate-treated MDA-MB-231 cells. Differentially expressed genes (DEGs) were identified in fluvastatin- and zoledronate-treated cells using limma package, respectively...
July 25, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28743828/tm4sf5-promotes-metastatic-behavior-of-cells-in-3d-extracellular-matrix-gels-by-reducing-dependency-on-environmental-cues
#10
Dae-Geun Song, Gyu-Ho Lee, Seo Hee Nam, Jin-Gyu Cheong, Doyoung Jeong, Seo-Jin Lee, Cheol-Ho Pan, Jae Woo Jung, Hye-Jin Kim, Jihye Ryu, Ji Eon Kim, Somi Kim, Chang Yun Cho, Min-Kyung Kang, Kyung-Min Lee, Jung Weon Lee
Transmembrane 4 L six family member 5 (TM4SF5) is highly expressed in hepatocellular carcinoma tissues and enhances migration in two-dimensional environments. Here, we investigated how TM4SF5 is involved in diverse pro-metastatic phenotypes in in vivo-like three-dimensional (3D) extracellular matrix gels. TM4SF5-positive cells aggressively formed invasive foci in 3D Matrigel, depending on TM4SF5-mediated signaling activity, cytoskeletal organization, and matrix metallopeptidase (MMP) 2-mediated extracellular remodeling, whereas TM4SF5-null cells did not...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28743128/anti-vascular-endothelial-growth-factors-protect-retinal-pigment-epithelium-cells-against-oxidation-by-modulating-nitric-oxide-release-and-autophagy
#11
Stefano De Cillà, Serena Farruggio, Stela Vujosevic, Giulia Raina, Davide Filippini, Valentina Gatti, Nausicaa Clemente, David Mary, Diego Vezzola, Giamberto Casini, Luca Rossetti, Elena Grossini
BACKGROUND/AIMS: the anti-vascular endothelial growth factors (VEGF), Aflibercept and Ranibizumab, are used for the treatment of macular degeneration. Here we examined the involvement of nitric oxide (NO), mitochondria function and of apoptosis/autophagy in their antioxidant effects in human retinal pigment epithelium cells (RPE). METHODS: RPE were exposed to Ranibizumab/Aflibercept in the absence or presence of NO synthase (NOS) inhibitor and of autophagy activator/blocker, rapamicyn/3-methyladenine...
July 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28742793/intracrine-vegf-signalling-mediates-colorectal-cancer-cell-migration-and-invasion
#12
Rajat Bhattacharya, Fan Fan, Rui Wang, Xiangcang Ye, Ling Xia, Delphine Boulbes, Lee M Ellis
BACKGROUND: Vascular endothelial growth factor (VEGF) and its receptors (VEGFRs) are key regulators of angiogenesis, affecting endothelial cell survival and function. However, the effect of VEGF-VEGFR signalling on tumour cell function is not well understood. Our previous studies in colorectal cancer (CRC) cells have demonstrated an intracrine VEGF/VEGFR1 signalling mechanism that mediates CRC cell survival and chemo-sensitivity. Since extracellular VEGF signalling regulates migration of endothelial cells and various tumour cells, we attempted to determine whether intracrine VEGF signalling affects CRC cell motility...
July 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28742689/lymphangiogenic-gene-expression-is-associated-with-lymph-node-recurrence-and-poor-prognosis-after-partial-hepatectomy-for-colorectal-liver-metastasis
#13
Thomas T Vellinga, Onno Kranenburg, Nicola Frenkel, Inge Ubink, Dieuwke Marvin, Klaas Govaert, Susanne van Schelven, Jeroen Hagendoorn, Inne H Borel Rinkes
OBJECTIVES: To investigate the relevance of lymphangiogenic gene expression in primary and liver metastasis of colorectal cancer (CRC) and identify determinants of lymphatic invasion. BACKGROUND: Lymphatic development promoting vascular endothelial growth factor C (VEGFC) is associated with poor outcome in primary CRC. For colorectal liver metastasis (CRLM), intrahepatic lymph invasion and lymph node metastasis are poor prognostic factors. Exact biological factors promoting lymphatic involvement remain elusive, just as the association with molecular subtypes of CRC...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742513/kallistatin-double-edged-role-in-angiogenesis-apoptosis-and-oxidative-stress
#14
Julie Chao, Pengfei Li, Lee Chao
Kallistatin via its two structural elements - an active site and a heparin-binding domain - displays double-edged function in angiogenesis, apoptosis and oxidative stress. First, kallistatin has both anti-angiogenic and pro-angiogenic effects. Kallistatin treatment attenuates angiogenesis and tumor growth in cancer-bearing mice. Kallistatin via its heparinbinding site inhibits angiogenesis by blocking vascular endothelial growth factor (VEGF)- induced growth, migration and adhesion of endothelial cells. Conversely, kallistatin via the active site promotes neovascularization by stimulating VEGF levels in endothelial progenitor cells...
July 26, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28741069/microrna-100-shuttled-by-mesenchymal-stem-cell-derived-exosomes-suppresses-in-vitro-angiogenesis-through-modulating-the-mtor-hif-1%C3%AE-vegf-signaling-axis-in-breast-cancer-cells
#15
Katayoon Pakravan, Sadegh Babashah, Majid Sadeghizadeh, Seyed Javad Mowla, Majid Mossahebi-Mohammadi, Farangis Ataei, Nasim Dana, Mohammad Javan
BACKGROUND: Human mesenchymal stem cells (MSCs) have been shown to be involved in the formation and modulation of tumor stroma and in interacting with tumor cells, partly through their secretome. Exosomes are nano-sized intraluminal multi-vesicular bodies secreted by most types of cells and have been found to mediate intercellular communication through the transfer of genetic information via coding and non-coding RNAs to recipient cells. Since exosomes are considered as protective and enriched sources of shuttle microRNAs (miRNAs), we hypothesized that exosomal transfer of miRNAs from MSCs may affect tumor cell behavior, particularly angiogenesis...
July 24, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28740387/apatinib-loaded-nanoparticles-suppress-vascular-endothelial-growth-factor-induced-angiogenesis-and-experimental-corneal-neovascularization
#16
Jung Eun Lee, Koung Li Kim, Danbi Kim, Yeongju Yeo, Hyounkoo Han, Myung Goo Kim, Sun Hwa Kim, Hyuncheol Kim, Ji Hoon Jeong, Wonhee Suh
Pathological angiogenesis is one of the major symptoms of severe ocular diseases, including corneal neovascularization. The blockade of vascular endothelial growth factor (VEGF) action has been recognized as an efficient strategy for treating corneal neovascularization. In this study, we aimed to investigate whether nanoparticle-based delivery of apatinib, a novel and selective inhibitor of VEGF receptor 2, inhibits VEGF-mediated angiogenesis and suppresses experimental corneal neovascularization. Water-insoluble apatinib was encapsulated in nanoparticles composed of human serum albumin (HSA)-conjugated polyethylene glycol (PEG)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28740360/visual-processing-in-patients-with-age-related-macular-degeneration-performing-a-face-detection-test
#17
Pasi Vottonen, Kai Kaarniranta, Ari Pääkkönen, Ina M Tarkka
PURPOSE: People with age-related macular degeneration (AMD) have difficulties in familiar face recognition and facial expression discrimination. Our aim was to evaluate the visual processing of faces in AMD patients and whether this would be improved by anti-vascular endothelial growth factor therapy. This was a prospective interventional cohort study. PATIENTS: Twelve patients with monocular wet AMD and 6 control subjects were recruited. Face detection processes were studied using cortical event-related potentials (ERPs)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28739731/identification-of-novel-proteins-interacting-with-vascular-endothelial-growth-inhibitor-174-in-renal-cell-carcinoma
#18
Qiang Zhao, Duoer Kun, Baoan Hong, Xiaohu Deng, Sheng Guo, Xingxing Tang, Yong Yang, Kan Gong, Qing Li, Lin Ye, Wen G Jiang, Ning Zhang
BACKGROUND/AIM: Vascular endothelial growth inhibitor (VEGI) is a multipotential cytokine that plays a role in regulating immunity, anti-angiogenesis, and inhibiting tumor growth. However, the proteins that interact with it are still unknown. In the present study, we examined the proteins that interact with VEGI174 and their expression in renal cell carcinoma (RCC). MATERIALS AND METHODS: The proteins that interact with VEGI174 were identified using western blot, pull-down assay, and mass spectrometry...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739718/protein-of-vascular-endothelial-growth-inhibitor-174-inhibits-epithelial-mesenchymal-transition-in-renal-cell-carcinoma-in-vivo
#19
Qiang Zhao, Xiaohu Deng, Baoan Hong, Feng Wang, Xinxin Tang, Yong Yang, Kan Gong, Lin Ye, Wen G Jiang, Ning Zhang
BACKGROUND: Vascular endothelial growth inhibitor (VEGI) is a member of the tumor necrosis factor superfamily, identified as an anti-angiogenic cytokine. However, the effect of VEGI on epithelial-mesenchymal transition (EMT) in renal cell carcinoma (RCC) is still unknown. MATERIALS AND METHODS: In this study, protein VEGI174 was designed and synthesized. Renal cell carcinoma A498 cells were implanted into immune-deficient mice to establish tumor models. Two groups were included: control group treated with saline, and VEGI174-treated group...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739514/inhibition-of-blood-brain-barrier-efflux-transporters-promotes-seizure-in-pregnant-rats-role-of-circulating-factors
#20
Abbie C Johnson, Erica S Hammer, Sophie Sakkaki, Sarah M Tremble, Gregory L Holmes, Marilyn J Cipolla
Seizure-provoking factors circulate late in gestation during normal pregnancy, but do not readily gain access to the brain due to the protective nature of the blood-brain barrier. In particular, efflux transporters are powerful ATP-driven pumps that actively prevent unwanted compounds from entering the brain. We hypothesized that acute inhibition of efflux transporters at the blood-brain barrier would result in spontaneous seizures in pregnant rats. We further hypothesized that the blood-brain barrier protects the maternal brain from seizure by increasing expression and/or activity of p-glycoprotein (P-gp), a major efflux transporter...
July 21, 2017: Brain, Behavior, and Immunity
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