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Vascular endothelial growth factors

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https://www.readbyqxmd.com/read/30315927/a-molecular-basis-for-the-synergy-between-17%C3%A2-allylamino%C3%A2-17%C3%A2-demethoxy-geldanamycin-with-capecitabine-and-irinotecan-in-human-colorectal-cancer-cells-through-vefg-and-mmp-9-gene-expression
#1
Zeynali M Shima, Mohammadian Mahshid, Kheradmand Fatemeh, Fathi-Azarbayjani Anahita, Rasmi Yousef, Esna-Ashari Omid, Malekinejad Hassan
Anti-proliferative, anti-metastatic and anti-angiogenic effects of 17‑allylamino‑17‑demethoxy geldanamycin (17-AAG) were studied alone and in combination with Capecitabine (Cap) and/or Irinotecan (IR) on HT-29 human colorectal carcinoma cells. Expression of MMP-9 (matrix metalloproteinase‑9) and VEGF (vascular endothelial growth factor) mRNA was analyzed by real-time PCR method. The study was further followed by wound scratch assay for migration assessment. Nitric oxide content, MDA generation and total anti-oxidant capacity were also assessed...
October 10, 2018: Gene
https://www.readbyqxmd.com/read/30315890/targeting-vegf-neuropilin-interactions-a-promising-antitumor-strategy
#2
REVIEW
Kewen Peng, Ying Bai, Qihua Zhu, Bin Hu, Yungen Xu
Inhibition of vascular endothelial growth factor (VEGF) or its corresponding receptor (VEGFR) has been validated as an efficacious antiangiogenetic approach for cancer treatment. More recently, neuropilins (NRPs), the essential coreceptors for VEGF, have also been shown to have a significant role in VEGF signaling. Given the multifaceted effects of VEGF-NRP interactions on tumor initiation and progression, the exploration of new chemical entities that selectively block these interactions has recently attracted considerable interest as a novel antitumor strategy...
October 10, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/30315856/aldh2-attenuates-early-stage-stz-induced-aged-diabetic-rats-retinas-damage-via-sirt1-nrf2-pathway
#3
Mengshan He, Pan Long, Weiming Yan, Tao Chen, Lunfeng Guo, Zouming Zhang, Siwang Wang
AIMS: Acetaldehyde dehydrogenase 2 (ALDH2) was reported for its protective properties on myocardial damage, stroke and neurodegeneration disease, but the effects and mechanisms of ALDH2 in the modulation of diabetic retinopathy remain unclear. The present study evaluated the protection effects of ALDH2 on streptozocin (STZ)-induced aged diabetic rats retinas damage. MAIN METHODS: 24 aged male diabetic Sprague-Dawley (SD) rats induced by a single intraperitoneal injection of STZ were randomly divided into Alda1-treated group and dimethylsulfoxide (DMSO) group...
October 10, 2018: Life Sciences
https://www.readbyqxmd.com/read/30315659/blood-brain-barrier-disruption-and-angiogenesis-in-a-rat-model-for-neurocysticercosis
#4
Rogger P Carmen-Orozco, Danitza G Dávila-Villacorta, Yudith Cauna, Edson G Bernal-Teran, Leandra Bitterfeld, Graham L Sutherland, Nancy Chile, Rensson H Céliz, María C Ferrufino-Schmidt, Cesar M Gavídia, Charles R Sterling, Héctor H García, Robert H Gilman, Manuela Renee Verástegui
Neurocysticercosis (NCC) is a helminth infection affecting the central nervous system caused by the larval stage (cysticercus) of Taenia solium. Since vascular alteration and blood-brain barrier (BBB) disruption contribute to NCC pathology, it is postulated that angiogenesis could contribute to the pathology of this disease. This study used a rat model for NCC and evaluated the expression of two angiogenic factors called vascular endothelial growth factor (VEGF-A) and fibroblast growth factor (FGF2). Also, two markers for BBB disruption, the endothelial barrier antigen and immunoglobulin G, were evaluated using immunohistochemical and immunofluorescence techniques...
October 13, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/30315421/dental-pulp-stem-cells-overexpressing-stromal-derived-factor-1%C3%AE-and-vascular-endothelial-growth-factor-in-dental-pulp-regeneration
#5
Lifang Zhu, Waruna Lakmal Dissanayaka, Chengfei Zhang
OBJECTIVES: The current study aimed to investigate the effects of vascular endothelial growth factor (VEGF) and stromal cell-derived factor-1α (SDF-1α) overexpressing dental pulp stem cells (DPSCs) in vascularized dental pulp regeneration in vivo. MATERIALS AND METHODS: Human DPSCs were transfected with VEGF or SDF-1α using premade lentiviral particles. Overexpression was verified by quantitative polymerase chain reaction (q-PCR), enzyme-linked immunosorbent assay (ELISA), and western blot analysis...
October 12, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/30315331/pentraxin-3-promotes-long-term-cerebral-blood-flow-recovery-angiogenesis-and-neuronal-survival-after-stroke
#6
Ivana Rajkovic, Raymond Wong, Eloise Lemarchand, Jack Rivers-Auty, Olivera Rajkovic, Cecilia Garlanda, Stuart M Allan, Emmanuel Pinteaux
Restoration of cerebral blood flow (CBF) and upregulation of angiogenesis are crucial for brain repair and functional recovery after cerebral ischaemia. Pentraxin 3 (PTX3) is a key regulator of angiogenesis and is emerging as a promising target for cerebrovascular repair after stroke. Here, we investigated for the first time the role of PTX3 in long-term CBF, angiogenesis, and neuronal viability after ischaemic stroke induced by transient middle cerebral artery occlusion (MCAo). Lack of PTX3 had no effect on early brain damage, but significantly impaired restoration of CBF, 14 and 28 days after MCAo, compared to wild-type (WT) mice...
October 13, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/30314410/effects-of-human-cyclooxygenase-2-gene-silencing-on-synovial-cells-of-rheumatoid-arthritis-mediated-by-lentivirus
#7
Ping Leng, Dawei Li, Yi Sun, Yingzhen Wang, Haining Zhang
The aim of the study is to screen the effective shRNA sequence which can silence the human COX-2 expression level in synovial cells of rheumatoid arthritis (RA) patient transfected by the lentivirus. Four pairs of hCOX-2 shRNA were designed and inserted into lentivirus to form pGPHI/GFP/Neo-shRNA vector. The reconstructed virus was transfected into synovial cells derived from RA patients, and then the expression level of hCOX-2 mRNA and the protein of the inflammatory factors including prostaglandin E2 (PGE2), vascular endothelial growth factor (VEGF), interleukin-1β (IL-1β) and tumour necrosis factor alpha (TNF-α) in the supernatants were examined with real-time PCR and ELISA, respectively...
October 12, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/30312730/hematopoietic-growth-factors-and-tumor-angiogenesis
#8
Domenico Ribatti, Roberto Tamma
Angiogenesis is regulated by numerous "classic" factors such as vascular endothelial growth factor (VEGF) and many other endogenous "non-classic"peptides, including erythropoietin (Epo), and granulocyte-/granulocyte macrophage colony stimulating factor (G-/GM-CSF). The latter play an important regulatory role in angiogenesis, especially under pathological conditions and constitute a crosslink between angiogenesis and hematopoiesis. This article reviews studies on the ability of hematopoietic cytokines to affect several endothelial cell functions in tumor angiogenesis...
October 9, 2018: Cancer Letters
https://www.readbyqxmd.com/read/30312260/comparative-risk-of-endophthalmitis-after-intravitreal-injection-with-bevacizumab-aflibercept-and-ranibizumab
#9
J Clay Bavinger, Yinxi Yu, Brian L VanderBeek
PURPOSE: To determine whether sterile preloading of anti-vascular endothelial growth factor agents reduces the risk of postintravitreal injection endophthalmitis. METHODS: This is a retrospective cohort study using medical claims data from a large, national US insurer. Cohorts were created using intravitreal injections of anti-vascular endothelial growth factor injections from 2005 to 2016. For inclusion, patients had to have at least 6 months of data before the injection and were excluded for any previous diagnosis of endophthalmitis, multiple injected drugs on the day of injection, or intraocular surgery within 15 days of the injection or between an injection and a diagnosis of endophthalmitis...
October 3, 2018: Retina
https://www.readbyqxmd.com/read/30312257/intravitreal-anti-vascular-endothelial-growth-factor-for-the-management-of-neovascularization-in-retinoblastoma-after-intravenous-and-or-intraarterial-chemotherapy-long-term-outcomes-in-a-series-of-35-eyes
#10
Christina Stathopoulos, Marie-Claire Gaillard, Alexandre Moulin, Francesco Puccinelli, Maja Beck-Popovic, Francis L Munier
PURPOSE: To report the use of anti-vascular endothelial growth factor in the management of retinoblastoma. METHODS: Retrospective review of 35 eyes (33 patients) treated with at least one intravitreal anti-vascular endothelial growth factor (ranibizumab and/or aflibercept) for new iris (n = 26) and/or retinal neovascularization (n = 21) after intravenous chemotherapy and/or intraarterial chemotherapy. RESULTS: Most eyes (n = 31/35, 89%) were Group D or E...
October 3, 2018: Retina
https://www.readbyqxmd.com/read/30311868/effect-of-regular-swimming-exercise-to-duration-intensity-on-neurocognitive-function-in-cerebral-infarction-rat-model
#11
Min-Keun Song, Eun-Jong Kim, Jung-Kook Kim, Hyeng-Kyu Park, Sam-Gyu Lee
OBJECTIVE: This study investigated the effect of regular swimming exercise according to the duration-intensity on neurocognitive function in a cerebral infarction rat model. METHODS: Forty male Sprague-Dawley 10-week-old rats, weighing 300 ± 50 g, were subjected to photothrombotic cerebral infarction. The remaining 36 rats were randomly divided into four groups (n = 9 per group: non-exercise (group A); swimming exercise of short duration-intensity (5 min/day, group B); swimming exercise of moderate duration-intensity (10 min/day, group C); and swimming exercise of long duration-intensity (20 min/day, group D)...
October 12, 2018: Neurological Research
https://www.readbyqxmd.com/read/30311500/effect-of-polydeoxyribonucleotide-on-angiogenesis-and-wound-healing-in-an-in-vitro-model-of-osteoarthritis
#12
Ahreum Baek, Yoon Kim, Jin Woo Lee, Sang Chul Lee, Sung-Rae Cho
Osteoarthritis (OA) is degenerative disease, leading to pain and functional disability. It is reported that polydeoxyribonucleotide (PDRN) is a suitable therapy for OA. However, the therapeutic mechanisms of PDRN in OA are not fully understood. To investigate the effect of PDRN in an in vitro model of OA, interleukin (IL)-1β or phosphate-buffered saline (PBS) was used to treat a human chondrocytic cell line in hypoxic conditions for 24 h (IL-1β group or control group). PDRN was then used to treat IL-1β group cells for 24 h (PDRN group)...
October 12, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/30311263/identification-of-key-genes-in-prostate-cancer-gene-expression-profile-by-bioinformatics
#13
Wenzong Lu, Zhe Ding
The aim of this study was to identify key candidate genes in prostate cancer. The gene expression profiles of GSE32448, GSE45016, GSE46602 and GSE104749 were downloaded from the Gene Expression Omnibus database. The differentially expressed genes (DEGs) between prostate cancer and normal samples were identified by R language. The gene ontology functional and pathway enrichment analyses of DEGs were performed by the Database for Annotation, Visualization and Integrated Discovery software followed by the construction of protein-protein interaction network...
October 11, 2018: Andrologia
https://www.readbyqxmd.com/read/30311123/vitex-negundo-and-its-medicinal-value
#14
REVIEW
Balraj Singh Gill, Richa Mehra, Navgeet, Sanjeev Kumar
Natural products are rich in several potent bioactive compounds, targeting complex network of proteins involved in various diseases. Vitex negundo (VN), commonly known as "chaste tree", is an ethnobotanically important plant with enormous medicinal properties. Different species of Vitex vary in chemical composition, thus producing different phytochemicals. Several bioactive compounds have been extracted from leaves, seeds, roots in form of volatile oils, flavonoids, lignans, iridoids, terpenes, and steroids...
October 11, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30310905/suppressing-glucose-metabolism-with-epigallocatechin-3-gallate-egcg-reduces-breast-cancer-cell-growth-in-preclinical-models
#15
Ran Wei, Limin Mao, Ping Xu, Xinghai Zheng, Robert M Hackman, Gerardo G Mackenzie, Yuefei Wang
Numerous studies propose that epigallocatechin-3-gallate (EGCG), an abundant polyphenol in green tea, has anti-cancer properties. However, its mechanism of action in breast cancer remains unclear. This study investigated the capacity of EGCG to suppress breast cancer cell growth in vitro and in vivo, characterizing the underlying mechanisms, focusing on the effect of EGCG on glucose metabolism. EGCG reduced breast cancer 4T1 cell growth in a concentration- (10-320 μM) and time- (12-48 h) dependent manner. EGCG induced breast cancer apoptotic cell death at 24 h, as evidenced by annexin V/PI, caspase 3, caspase 8 and caspase 9 activation...
October 12, 2018: Food & Function
https://www.readbyqxmd.com/read/30310311/pkc%C3%AE-ii-induced-upregulation-of-pgp9-5-and-vegf-in-postoperative-persistent-pain-in-rats
#16
Xiang Zhu, Yuxi Liu, Hongfang Huang, Yonghua Zhang, Saisai Huang, Weiwei Zhou, Xiaocui Bian, Shiren Shen, Su Cao
Purpose: Postoperative pain is a common clinical problem. In this study, we aimed to investigate the role of protein kinase C βII (PKCβII) in the progression of postoperative pain following skin/muscle incision and retraction (SMIR) surgery. Materials and methods: SMIR postoperative pain model was established in rats, akin to a clinical procedure. The expression level and location of p-PKCβII were observed in dorsal root ganglion (DRG) or spinal cord from SMIR-operated rats by Western blotting and immunofluorescence...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/30310267/neovascular-age-related-macular-degeneration-intraocular-inflammatory-cytokines-in-the-poor-responder-to-ranibizumab-treatment
#17
Pear Pongsachareonnont, Michael Ying Kit Mak, Cameron Paul Hurst, Wai-Ching Lam
Purpose: To determine the levels of interleukin (IL)-6, vascular endothelial growth factor-A, platelet-derived growth factor, placental growth factor (PLGF), and other cytokines in the aqueous fluid of patients with neovascular age-related macular degeneration who respond poorly to ranibizumab. Patients and methods: This is an observational, prospective study. Thirty-two eyes from 30 patients were included in the study: 11 patients who responded poorly to ranibizumab and were switched to aflibercept (AF group), 8 patients who received ranibizumab and photodynamic therapy (PDT group), and 13 patients who responded to ranibizumab (control group)...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/30310263/activator-protein-1-contributes-to-the-nacl-induced-expression-of-vegf-and-plgf-in-rpe-cells
#18
Jana Kleiner, Margrit Hollborn, Peter Wiedemann, Andreas Bringmann
Purpose: Systemic hypertension is a risk factor of neovascular age-related macular degeneration; consumption of dietary salt resulting in extracellular hyperosmolarity is a main cause of hypertension. Extracellular hyperosmolarity was shown to induce expression of angiogenic growth factors, such as vascular endothelial growth factor (VEGF) and placental growth factor (PlGF), in RPE cells. The aim of the present study was to determine whether the hyperosmotic expression of growth factor genes in RPE cells is mediated by activator protein-1 (AP-1), and whether c-Fos and c-Jun genes are regulated by extracellular osmolarity...
2018: Molecular Vision
https://www.readbyqxmd.com/read/30310256/new-prognostic-biomarkers-of-mortality-in-patients-undergoing-liver-transplantation-for-hepatocellular-carcinoma
#19
REVIEW
Leonardo Lorente
The outcome prediction of hepatocellular carcinoma (HCC) patients undergoing liver transplantation (LT) was classically established using various macromorphological factors and serum alpha-fetoprotein levels prior to LT. However, other biomarkers have recently been reported to be associated with the prognosis of HCC patients undergoing to LT. This review summarizes clinical data on these new biomarkers. High blood levels of malondialdehyde, total antioxidant capacity, caspase-cleaved cytokeratin-18, soluble CD40 ligand, substance P, C-reactive protein, and vascular endothelial growth factor, increased neutrophil to lymphocyte ratio and platelet to lymphocyte ratio in blood, high peripheral blood expression of human telomerase reverse transcriptase messenger ribonucleic acid, and high HCC expression of dickkopf-1 have recently been associated with decreased survival rates...
October 7, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/30310054/vegfa-gene-variation-influences-hallucinations-and-frontotemporal-morphology-in-psychotic-disorders-a-b-snip-study
#20
Paulo Lizano, Olivia Lutz, George Ling, Jaya Padmanabhan, Neeraj Tandon, John Sweeney, Carol Tamminga, Godfrey Pearlson, Gualberto Ruaño, Mohan Kocherla, Andreas Windemuth, Brett Clementz, Elliot Gershon, Matcheri Keshavan
Vascular endothelial growth factor A (VEGFA) dysfunction may contribute to a number of pathological processes that characterize psychotic disorders. However, the influence of VEGFA gene variants on clinical and neuroimaging phenotypes in psychotic disorders has yet to be shown. In the present study, we examined whether different VEGFA gene variants influence psychosis risk, symptom severity, cognition, and brain volume. The study group included 480 probands (Bipolar I disorder with psychosis, n = 205; Schizoaffective disorder, n = 112; Schizophrenia, n = 163) and 126 healthy controls that were recruited across six sites in the B-SNIP consortium...
October 11, 2018: Translational Psychiatry
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