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Vascular endothelial growth factor

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https://www.readbyqxmd.com/read/27911446/treatment-patterns-of-ranibizumab-intravitreal-injection-and-dexamethasone-intravitreal-implant-for-retinal-vein-occlusion-in-the-usa
#1
S Nghiem-Buffet, S Baillif, S Regnier, A Skelly, N Yu, A Sodi
PurposeRanibizumab, an anti-vascular endothelial growth factor, and dexamethasone, a corticosteroid, have been shown to be effective in treating macular oedema secondary to retinal vein occlusion (RVO) (central RVO (CRVO) and branch RVO (BRVO)). Their real-world usage, however, has yet to be compared. We therefore evaluated ophthalmology visits for both drugs using US patient-level data.MethodsThe IMS Health Real-World Data Medical Claims database was used to identify treatment-naive patients receiving ranibizumab intravitreal injections or dexamethasone intravitreal implants between June 2010 and February 2014 who had 12 months of follow-up data...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27911427/-modern-approach-to-early-diagnosis-and-pathogenetic-treatment-of-diabetic-retinopathy
#2
I V Vorob'eva
AIM: To improve the approach to pathogenetic treatment of diabetic retinopathy (DR) through early diagnosis and a new method for predicting disease progression. MATERIAL AND METHODS: The study enrolled 330 type 2 diabetes patients with DR (660 eyes), of whom women constituted 64.6%, men - 35.4%. The mean patient age was 62.3±2.3 years. Three groups were formed: the controls - 30 healthy volunteers (60 eyes) and 30 type 2 diabetes patients without ocular involvement (DR 0, 60 eyes); group 1 - 30 type 2 diabetes patients with DR I but no diabetic macular edema (DR I without DME, 60 eyes) that were treated with calcium dobesilate; group 2 - 240 type 2 diabetes patients, who had diabetic retinopathy of different stages (DR I, II, or III with DME, 480 eyes) and received laser retinal photocoagulation (LRP)...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911420/-role-of-immunological-factors-in-the-development-of-myopic-choroidal-neovascularization
#3
A G Shchuko, N V Zaitseva, T N Yur'eva, E R Chernykh, I M Mikhalevich, A V Grigor'eva
AIM: To study the concentration of cytokines in the aqueous humor of the anterior chamber in patients with myopic choroidal neovascularization (mCNV) and to compare the results to their ophthalmic status. MATERIAL AND METHODS: A total of 19 patients (19 eyes) with mCNV treated with intravitreal ranibizumab were included in the study. The control group consisted of 15 patients (15 eyes) with myopia who had cataract surgery. Age, sex, and refractive error distribution were similar to that in the study group...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27910782/chemoprevention-of-colon-cancer-through-inhibition-of-angiogenesis-and-induction-of-apoptosis-by-nonsteroidal-anti-inflammatory-drugs
#4
Preety Ghanghas, Shelly Jain, Chandan Rana, Sankar Nath Sanyal
Cancer cells require nourishment for the growth of the primary tumor mass and spread of the metastatic colony. These needs are fulfilled by tumor-associated neovasculature known as angiogenesis, which also favors the transition from hyperplasia to neoplasia, that is, from a state of cellular multiplication to uncontrolled proliferation. Therefore, targeting angiogenesis is profitable as a mechanism to inhibit tumor growth. Furthermore, it is important to understand the cross-communication between vascular endothelial growth factor (VEGF) and matrix metalloproteinases (MMPs) in the neoplastic and proinflammatory milieu...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27909994/cabozantinib-a-review-in-advanced-renal-cell-carcinoma
#5
Zaina T Al-Salama, Gillian M Keating
The multiple tyrosine kinase inhibitor (TKI) cabozantinib (Cabometyx™) is approved in the USA for the treatment of patients with advanced renal cell carcinoma (RCC) who have received prior antiangiogenic therapy. In the EU, cabozantinib is indicated for the treatment of advanced RCC in adults following prior vascular endothelial growth factor (VEGF)-targeted therapy. In adults with advanced or metastatic clear-cell RCC who had previously received VEGF receptor (VEGFR) TKIs, progression-free survival (PFS) and overall survival (OS) were significantly prolonged in patients who received oral cabozantinib versus oral everolimus in the pivotal METEOR trial...
December 1, 2016: Drugs
https://www.readbyqxmd.com/read/27909732/early-vegf-inhibition-attenuates-blood-brain-barrier-disruption-in-ischemic-rat-brains-by-regulating-the-expression-of-mmps
#6
Hai-Tao Zhang, Ping Zhang, Yi Gao, Chen-Long Li, Hong-Jun Wang, Ling-Chao Chen, Yan Feng, Rui-Yan Li, Yong-Li Li, Chuan-Lu Jiang
Vascular endothelial growth factor (VEGF) inhibition has been demonstrated to be an effective strategy in preserving the integrity of the blood-brain barrier (BBB) in patients with acute ischemic stroke. Loss of the BBB is the key event associated with morbidity and mortality in these patients. However, the underlying mechanisms remain poorly understood. In the present study, the effects of VEGF inhibition and the possible mechanism that underlies acute cerebral ischemia in rats was investigated. Following the induction of transient middle cerebral artery occlusion for a 90‑min period, either an anti‑VEGF neutralizing antibody (RB‑222; 5 or 10 µg), or IgG (control), was administered by intracerebroventricular injection at 1 h following reperfusion...
November 29, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27909715/a-new-scaffold-containing-small-intestinal-submucosa-and-mesenchymal-stem-cells-improves-pancreatic-islet-function-and-survival-in%C3%A2-vitro-and-in%C3%A2-vivo
#7
Dan Wang, Xiaoming Ding, Wujun Xue, Jin Zheng, Xiaohui Tian, Yang Li, Xiaohong Wang, Huanjin Song, Hua Liu, Xiaohui Luo
It is unknown whether a scaffold containing both small intestinal submucosa (SIS) and mesenchymal stem cells (MSCs) for transplantation may improve pancreatic islet function and survival. In this study, we examined the effects of a SIS-MSC scaffold on islet function and survival in vitro and in vivo. MSCs and pancreatic islets were isolated from Sprague-Dawley rats, and SIS was isolated from Bamei pigs. The islets were apportioned among 3 experimental groups as follows: SIS-islets, SIS-MSC-islets and control-islets...
November 29, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27909701/immunological-quality-and-performance-of-tumor-vessel-targeting-car-t-cells-prepared-by-mrna-ep-for-clinical-research
#8
Kanako Inoo, Ryo Inagaki, Kento Fujiwara, Shigemi Sasawatari, Takashi Kamigaki, Shinsaku Nakagawa, Naoki Okada
We previously reported that tumor vessel-redirected T cells, which were genetically engineered with chimeric antigen receptor (CAR) specific for vascular endothelial growth factor receptor 2 (VEGFR2), demonstrated significant antitumor effects in various murine solid tumor models. In the present study, we prepared anti-VEGFR2 CAR-T cells by CAR-coding mRNA electroporation (mRNA-EP) and analyzed their immunological characteristics and functions for use in clinical research. The expression of anti-VEGFR2 CAR on murine and human T cells was detected with approximately 100% efficiency for a few days, after peaking 6-12 hours after mRNA-EP...
2016: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/27909239/affinity-of-indocyanine-green-in-the-detection-of-colorectal-peritoneal-carcinomatosis-the-role-of-enhanced-permeability-and-retention-effect
#9
Alexandre Filippello, Jack Porcheron, Jean Philippe Klein, Michèle Cottier, Gabriele Barabino
Indocyanine green (ICG) is increasingly being used in digestive oncology. In colorectal cancer, ICG can be used to detect lymph node metastasis and hepatic metastasis on the surface of the liver. In peritoneal carcinomatosis, it was previously suspected that the diffusion of ICG in the tumor mass was due to the enhanced permeability and retention effect; however, this phenomenon has not been clearly demonstrated. Using bevacizumab, an antibody directed against vascular endothelial growth factor that consequently inhibits neoangiogenesis, we sought to confirm the mode of ICG diffusion...
November 30, 2016: Surgical Innovation
https://www.readbyqxmd.com/read/27908668/associations-between-urinary-biomarkers-of-oxidative-stress-and-air-pollutants-observed-in-a-randomized-crossover-exposure-to-steel-mill-emissions
#10
Guillaume Pelletier, Marc Rigden, Lisa Marie Kauri, Robin Shutt, Mamun Mahmud, Sabit Cakmak, Premkumari Kumarathasan, Errol M Thomson, Renaud Vincent, Gayle Broad, Ling Liu, Robert Dales
The effects of industrial air pollution on human health have not been as thoroughly investigated as those of urban air pollution which originates mostly from automotive transport. To better assess the health impacts of point sources of industrial air pollution, a randomized crossover exposure study was conducted. Sixty one young and healthy volunteers were randomly assigned to spend five consecutive eight-hour days near a steel mill or at a location five kilometres away. After a nine or sixteen-day washout period, volunteers spent another five consecutive days at the second site...
November 25, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/27907001/multifactorial-optimizations-for-directing-endothelial-fate-from-stem-cells
#11
Drew E Glaser, William S Turner, Nicole Madfis, Lian Wong, Jose Zamora, Nicholas White, Samuel Reyes, Andrew B Burns, Ajay Gopinathan, Kara E McCloskey
Embryonic stem cells (ESC) and induced pluripotent stem (iPS) cells are attractive in vitro models of vascular development, therapeutic angiogenesis, and tissue engineering. However, distinct ESC and iPS cell lines respond differentially to the same microenvironmental factors. Developing improved/optimized differentiation methodologies tailored/applicable in a number of distinct iPS and ESC lines remains a challenge in the field. Currently published methods for deriving endothelial cells (EC) robustly generate high numbers of endothlelial progenitor cells (EPC) within a week, but their maturation to definitive EC is much more difficult, taking up to 2 months and requiring additional purification...
2016: PloS One
https://www.readbyqxmd.com/read/27906070/subretinal-adipose-tissue-derived-mesenchymal-stem-cell-implantation-in-advanced-stage-retinitis-pigmentosa-a-phase-i-clinical-safety-study
#12
Ayse Oner, Z Burcin Gonen, Neslihan Sinim, Mustafa Cetin, Yusuf Ozkul
BACKGROUND: This prospective clinical case series aimed to investigate the safety of subretinal adipose tissue-derived mesenchymal stem cell (ADMSC) implantation in advanced stage retinitis pigmentosa (RP). METHODS: This study included 11 patients with end-stage RP who received subretinal implantation of ADMSCs. All patients had a total visual field defect and five of them only had light perception. The best corrected visual acuity (BCVA) in the study was 20/2000...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27906058/vascular-endothelial-growth-factor-levels-and-rheumatic-diseases-of-the-elderly
#13
Perrine Smets, Valérie Devauchelle-Pensec, Paul-Olivier Rouzaire, Bruno Pereira, Marc Andre, Martin Soubrier
BACKGROUND: Increasing vascular endothelial growth factor (VEGF) has been reported in remitting symmetrical seronegative synovitis with pitting edema (RS3PE) syndrome, rheumatoid arthritis (RA), polymyalgia rheumatica (PMR) and giant cell arteritis (GCA). The aim of this study was to compare VEGF levels in patients over 60 years of age who have RS3PE, RA, PMR or GCA so as to determine whether elevated VEGF is specific for a rheumatic disease, the inflammation or edema that occurs with these pathological conditions...
December 1, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27905554/increased-plasma-vegf-levels-following-ischemic-preconditioning-are-associated-with-downregulation-of-mirna-762-and-mir-3072-5p
#14
Koji Ueno, Makoto Samura, Tamami Nakamura, Yuya Tanaka, Yuriko Takeuchi, Daichi Kawamura, Masaya Takahashi, Tohru Hosoyama, Noriyasu Morikage, Kimikazu Hamano
Ischemic preconditioning (IPC) has protective effects against ischemia-perfusion injury of organs. In the present study, we investigated the associated mechanisms after performing remote IPC (rIPC) of lower limbs by clamping abdominal aorta in mice. Subsequent experiments showed decreased damage and paralysis of lower limbs following spinal cord injury (SCI). Concomitantly, plasma vascular endothelial growth factor (VEGF) levels were increased 24 h after rIPC compared with those in sham-operated animals. In subsequent microRNA analyses, thirteen microRNAs were downregulated in exosomes 24 h after rIPC...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905105/endothelin-1-et-1-stimulates-carboxy-terminal-smad2-phosphorylation-in-vascular-endothelial-cells-by-a-mechanism-dependent-on-et-receptors-and-de-novo-protein-synthesis
#15
Narges Sharifat, Ghorban Mohammad Zadeh, Mohammad-Ali Ghaffari, Parisa Dayati, Danielle Kamato, Peter J Little, Hossein Babaahmadi-Rezaei
OBJECTIVE: G protein-coupled receptor (GPCR) agonists through their receptors can transactivate protein tyrosine kinase receptors such as epidermal growth factor receptor and serine/threonine kinase receptors most notably transforming growth factor (TGF)-β receptor (TβRI). This signalling mechanism represents a major expansion in the cellular outcomes attributable to GPCR signalling. This study addressed the role and mechanisms involved in GPCR agonist, endothelin-1 (ET-1)-mediated transactivation of the TβRI in bovine aortic endothelial cells (BAECs)...
December 1, 2016: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/27904705/paclitaxel-suppresses-collagen-induced-arthritis-a-reevaluation
#16
Yi Zhao, Zhi-Fang Chang, Ru Li, Zhan-Guo Li, Xiao-Xia Li, Lin Li
OBJECTIVE: To reevaluate the suppressive effect of paclitaxel (PTX) liposome on collagen-induced arthritis (CIA) in rats and explore its mechanisms. METHODS: Female Lewis rats were immunized with bovine type II collagen (CII) to induce arthritis. The rats with CIA were randomly divided into three groups: 5% GS control group, 2.5 mg/kg PTX treatment group and 1 mg/kg methotrexate (MTX) positive control group. The drugs were administered by intraperitoneal injection on the second day after arthritis onset...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904683/rapamycin-targets-interleukin-6-il-6-expression-and-suppresses-endothelial-cell-invasion-stimulated-by-tumor-cells
#17
Oleksandr Ekshyyan, Alok R Khandelwal, Xiaohua Rong, Tara Moore-Medlin, Xiaohui Ma, Jonathan Steven Alexander, Cherie-Ann O Nathan
mTOR inhibitors have potent antiangiogenic and anti-lymphangiogenic effects in addition to their growth inhibitory effects in head and neck squamous cell carcinoma (HNSCC). Lymphatogenous spread is much more predominant in HNSCC than hematogenous spread and significantly decreases survival. In this study we evaluated the effects of rapamycin on targeting tumor-stroma crosstalk in HNSCC. HNSCC tumor cells (FaDu) and human lymphatic endothelial cells (HMEC-1A) were co-cultured in various combinations using transwell cell culture inserts to study tumor-stroma crosstalk and the effects of mTOR inhibitor rapamycin...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904651/sunitinib-in-the-treatment-of-metastatic-renal-cell-carcinoma
#18
REVIEW
Thomas A Schmid, Martin E Gore
Sunitinib is an oral multi-targeted tyrosine kinase inhibitor (TKI) that targets various receptors, including vascular endothelial growth factor receptors (VEGFRs). Sunitinib received approval in 2006 and became a standard treatment option in the first-line treatment of metastatic renal cell cancer (mRCC) after a phase III trial showed superiority compared with interferon alpha (IFN-α). Sunitinib has also shown activity in second-line treatment in several trials. Most of the combination trials with sunitinib with various agents have led to considerable toxicity without improving efficacy...
December 2016: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/27904650/cabozantinib-in-the-treatment-of-advanced-renal-cell-carcinoma-clinical-trial-evidence-and-experience
#19
REVIEW
Jose Manuel Ruiz-Morales, Daniel Y C Heng
The treatment of metastatic renal cell carcinoma (mRCC) is rapidly changing. During first-line treatment with targeted therapy, patients ultimately develop resistance to therapy and the disease progresses. Recently, cabozantinib has demonstrated a better response rate, progression-free survival and overall survival compared with everolimus after failure of prior targeted therapy in patients with advanced or metastatic renal cell carcinoma (RCC). Cabozantinib is a small-molecule tyrosine kinase inhibitor (TKI)...
December 2016: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/27904083/novel-sulfonamide-derivatives-carrying-a-biologically-active-3-4-dimethoxyphenyl-moiety-as-vegfr-2-inhibitors
#20
Mostafa Mohammed Ghorab, Mansour Sulaiman Alsaid, Yassin Mohammed Nissan, Abdelkader Elbadawy Ashour, Abdullah Abdulalrahman Al-Mishari, Ashok Kumar, Sheikh Fayaz Ahmed
Novel sulfonamides 3-19 with a biologically active 3,4-dimethoxyphenyl moiety were designed and synthesized. The structures of the synthesized compounds were established using elemental analyses, IR, (1)H-NMR, (13)C-NMR spectral data and mass spectroscopy. All the synthesized compounds were evaluated for their in vitro anticancer activity against four cancer cell lines, namely human hepatocellular carcinoma (HepG2), human medulloblastoma (Daoy), human cervical cancer (HeLa), and human colon cancer (HT-29), by using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and dasatinib as the reference drug...
2016: Chemical & Pharmaceutical Bulletin
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