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https://www.readbyqxmd.com/read/27920521/celastrol-nanomicelles-attenuate-cytokine-secretion-in-macrophages-and-inhibit-macrophage-induced-corneal-neovascularization-in-rats
#1
Zhanrong Li, Jingguo Li, Lei Zhu, Ying Zhang, Junjie Zhang, Lin Yao, Dan Liang, Liya Wang
The aim of the present study was to investigate the inhibitory effects of celastrol-loaded nanomicelles (CNMs) on activated macrophage-induced corneal neovascularization (CNV) in rats and cytokine secretion in macrophages. Using an angiogenesis assay in vitro, we detected the effects of CNMs on human umbilical vein endothelial cell (HUVEC) migration and invasion. In addition, the expression levels of cytokines secreted from hypoxia-induced macrophages were assessed through cytokine array analysis. The expression of hypoxia-inducible factors-1α (HIF-1α), nuclear factor-kappa B p65 (NF-κB p65), phospho-nuclear factor-kappa B p65 (phospho-NF-κB p65), p38 mitogen-activated protein kinase (p38 MAPK), phospho-p38 MAPK, extracellular signal-regulated kinase 1/2 (ERK1/2), and phospho-ERK1/2 was analyzed by western blotting...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27919118/preeclampsia-and-the-risk-of-bronchopulmonary-dysplasia-in-preterm-infants-less-than-32-weeks-gestation
#2
Nancy Soliman, Kathleen Chaput, Belal Alshaikh, Kamran Yusuf
Objective Angiogenesis is essential for normal lung development. The objective of our study was to test the hypothesis that preeclampsia, an antiangiogenic state, is a risk factor for bronchopulmonary dysplasia (BPD). Design Prospective cohort study of infants less than 32 weeks' gestation born to mothers with preeclampsia between January 2007 and June 2010 at a single tertiary care center. Their BPD outcome was compared with infants born to the next two normotensive mothers with a ± 1 week gestational age difference...
December 5, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27918830/the-antiangiogenic-effects-of-gold-nanoparticles-on-experimental-choroidal-neovascularization-in-mice
#3
Young-Jung Roh, Chang Rae Rho, Won-Kyung Cho, Seungbum Kang
Purpose: The purpose of this study was to evaluate the antiangiogenic effect of gold nanoparticles (AuNPs) on experimental choroidal neovascularization (CNV) in mice. Methods: Choroidal neovascularization was induced by rupturing the Bruch's membrane using laser photocoagulation in C57BL/6 mice. The following day, intravitreal injections of AuNPs were administered. The control group received PBS injection of the same volume. Two weeks after laser injury, CNV lesions were evaluated by examination of choroidal flat-mounts using fluorescein-labeled dextran and immunofluorescence staining with isolectin B4...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27909994/cabozantinib-a-review-in-advanced-renal-cell-carcinoma
#4
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/27904768/combined-vegfr-and-ctla-4-blockade-increases-the-antigen-presenting-function-of-intratumoral-dcs-and-reduces-the-suppressive-capacity-of-intratumoral-mdscs
#5
Stephanie Du Four, Sarah K Maenhout, Simone P Niclou, Kris Thielemans, Bart Neyns, Joeri L Aerts
Melanoma brain metastases (MBM) occur in 10% to 50% of melanoma patients. They are often associated with a high morbidity and despite the improvements in the treatment of advanced melanoma, including immunotherapy, patients with MBM still have a poor prognosis. Antiangiogenic treatment was shown to reduce the immunosuppressive tumor microenvironment. Therefore we investigated the effect of the combination of VEGFR- and CTLA-4 blockade on the immune cells within the tumor microenvironment. In this study we investigated the effect of the combination of axitinib, a TKI against VEGFR-1, -2 and -3, with therapeutic inhibition of CTLA-4 in subcutaneous and intracranial mouse melanoma models...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904683/rapamycin-targets-interleukin-6-il-6-expression-and-suppresses-endothelial-cell-invasion-stimulated-by-tumor-cells
#6
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/27903792/clinical-effectiveness-of-bevacizumab-in-patients-with-recurrent-brain-tumours-a-population-based-evaluation
#7
REVIEW
Mário L de Lemos, Adeline Markarian, Esther Chan, Kimberly Schaff, Susan Walisser
BACKGROUND: Bevacizumab is an antiangiogenic agent active in patients with recurrent malignant gliomas. However, evidence for its clinical efficacy is relatively limited so that bevacizumab is approved for this indication in Canada and the United States, but not in the European Union. We reviewed the effectiveness of bevacizumab in patients with recurrent brain tumour using a large population database. METHODS: This was a retrospective, multicentre, study conducted at the BC Cancer Agency, a public cancer care organisation for the residents of the Canadian province of British Columbia...
November 30, 2016: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/27903220/santavac-%C3%A2-a-novel-universal-antigen-composition-for-developing-cancer-vaccines
#8
Petr Genrievich Lokhov, Elena Evgenevna Balashova
BACKGROUND: Development of a universal cancer vaccine for the prevention of all cancers has been under development for many years. Antiangiogenic cancer vaccines elicit immune responses with the potential of destroying tumor vasculature endothelial cells without affecting vasculature integrity in normal tissues. The methods used in the development of antigen compositions comprising these vaccines have been recently improved and described in this report in the context of SANTAVAC ™ development - the first cancer vaccine based on endothelial cell heterogeneity...
November 30, 2016: Recent Patents on Biotechnology
https://www.readbyqxmd.com/read/27895527/phase-ii-trial-of-angiotensin-1-7-for-the-treatment-of-patients-with-metastatic-sarcoma
#9
Paul D Savage, James Lovato, K Bridget Brosnihan, Antonius A Miller, W Jeffrey Petty
Background. Angiotensin-(1-7) [Ang-(1-7)] is an endogenous antiangiogenic hormone with anticancer activity. In a phase I study of Ang-(1-7), two of three patients with metastatic sarcoma experienced disease stabilization. This phase II study examined clinical and biomarker outcomes for patients with metastatic sarcoma. Methods. Ang-(1-7) was administered by subcutaneous injection at a dose of 20 mg daily. If excessive toxicities occurred in the first cohort, a dose deescalation cohort was allowed. Blood samples were obtained to measure changes in biomarkers...
2016: Sarcoma
https://www.readbyqxmd.com/read/27895477/noninvasive-monitoring-of-early-antiangiogenic-therapy-response-in-human-nasopharyngeal-carcinoma-xenograft-model-using-mri-with-rgd-conjugated-ultrasmall-superparamagnetic-iron-oxide-nanoparticles
#10
Yanfen Cui, Caiyuan Zhang, Ran Luo, Huanhuan Liu, Zhongyang Zhang, Tianyong Xu, Yong Zhang, Dengbin Wang
PURPOSE: Arginine-glycine-aspartic acid (RGD)-based nanoprobes allow specific imaging of integrin αvβ3, a protein overexpressed during angiogenesis. Therefore, this study applied a novel RGD-coupled, polyacrylic acid (PAA)-coated ultrasmall superparamagnetic iron oxide (USPIO) (referred to as RGD-PAA-USPIO) in order to detect tumor angiogenesis and assess the early response to antiangiogenic treatment in human nasopharyngeal carcinoma (NPC) xenograft model by magnetic resonance imaging (MRI)...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27895461/sildenafil-potentiates-the-antitumor-activity-of-cisplatin-by-induction-of-apoptosis-and-inhibition-of-proliferation-and-angiogenesis
#11
Mona Mohamed El-Naa, Mohamed Othman, Sheren Younes
Sildenafil is the first phosphodiesterase-5 inhibitor used for the treatment of erectile dysfunction. However, recent studies have been suggesting an antitumor effect of sildenafil. The current study assessed the aforementioned activity of sildenafil in vivo and in vitro in solid-tumor-bearing mice and in a human cell line MCF-7, respectively. Moreover, we investigated the impact of sildenafil on cisplatin antitumor activity. The solid tumor was induced by inoculation of Ehrlich ascites carcinoma cells in female mice...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27894601/treatment-rationale-and-study-design-for-the-relay-study-a-multicenter-randomized-double-blind-study-of-erlotinib-with-ramucirumab-or-placebo-in-patients-with-epidermal-growth-factor-receptor-mutation-positive-metastatic-non-small-cell-lung-cancer
#12
Edward B Garon, Martin Reck, Luis Paz-Ares, Santiago Ponce, Jesus Corral Jaime, Oscar Juan, Ernest Nadal, Pablo Lee, Rita Dalal, Jingyi Liu, Shuang He, Joseph Treat, Kazuhiko Nakagawa
INTRODUCTION: We present the treatment rationale and study design for the RELAY study (NCT02411448 ). This phase Ib/III study will assess safety, tolerability, and efficacy of the combination of ramucirumab with erlotinib in previously untreated stage IV non-small-cell lung cancer patients with an activating epidermal growth factor receptor (EGFR) mutation. PATIENTS AND METHODS: The study is being conducted in approximately 120 sites in North America, Europe, and Asia and is currently open for enrollment...
June 8, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27894589/discovery-and-preclinical-evaluation-of-7-benzyl-n-substituted-pyrrolo-3-2-d-pyrimidin-4-amines-as-single-agents-with-microtubule-targeting-effects-along-with-triple-acting-angiokinase-inhibition-as-antitumor-agents
#13
Roheeth Kumar Pavana, Shruti Choudhary, Anja Bastian, Michael A Ihnat, Ruoli Bai, Ernest Hamel, Aleem Gangjee
The utility of cytostatic antiangiogenic agents (AA) in cancer chemotherapy lies in their combination with cytotoxic chemotherapeutic agents. Clinical combinations of AA with microtubule targeting agents (MTAs) have been particularly successful. The discovery, synthesis and biological evaluations of a series of 7-benzyl-N-substituted-pyrrolo[3,2-d]pyrimidin-4-amines are reported. Novel compounds which inhibit proangiogenic receptor tyrosine kinases (RTKs) including vascular endothelial growth factor receptor-2 (VEGFR-2), platelet-derived growth factor receptor-β (PDGFR-β) and epidermal growth factor receptor (EGFR), along with microtubule targeting in single molecules are described...
November 15, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27893676/combination-use-of-paclitaxel-and-avastin-enhances-treatment-effect-for-the-nsclc-patients-with-malignant-pleural-effusion
#14
Nan Qi, Fang Li, Xiaosong Li, Huanrong Kang, Hui Zhao, Nan Du
The current study is conducted to investigate efficacy of the chemotherapy drug paclitaxel in combination with Avastin (Roche Diagnostics GmbH., Mannheim, Germany) (antiangiogenic agent) in treatment of malignant pleural effusions (MPEs).Twenty-four patients with non-small cell lung cancer were randomly assigned for 2 treatment approaches. Ten patients received paclitaxel (175 mg/m) alone, and 14 patients took a combination therapy of paclitaxel and Avastin (5 mg/kg). Efficacy of the treatment approaches in the patients was validated with the change in the MPE volume...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27889287/structure-activity-relationship-study-of-a-small-cyclic-peptide-h-c-lys-pro-glu-arg-oh-a-potent-inhibitor-of-vascular-endothelial-growth-factor-interaction-with-neuropilin-1
#15
Karolina Grabowska, Anna K Puszko, Piotr F J Lipiński, Anna K Laskowska, Beata Wileńska, Ewa Witkowska, Gerard Y Perret, Aleksandra Misicka
Inhibition of angiogenesis is one of the most promising approaches in anticancer therapy. It was recently suggested that Neuropilin-1 (NRP-1) in tumour cells may serve as a separate receptor for Vascular Endothelial Growth Factor-165 (VEGF165) which is one of the main pro-angiogenic agents in the organism. Therefore molecules inhibiting VEGF165 binding to NRP-1 could be potential candidates for new antiangiogenic and anticancer drugs. Here we present a structure-activity relationship study of the peptide H-c[Lys-Pro-Glu]-Arg-OH which showed high inhibitory effect on VEGF165/NRP-1 binding (IC50=0...
November 14, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27887628/implications-of-vessel-co-option-in-sorafenib-resistant-hepatocellular-carcinoma
#16
Elizabeth A Kuczynski, Robert S Kerbel
The reason why tumors generally have a modest or transient response to antiangiogenic therapy is not well understood. This poses a major challenge for sorafenib treatment of advanced hepatocellular carcinoma (HCC) where alternate therapies are lacking. We recently published a paper entitled "Co-option of liver vessels and not sprouting angiogenesis drives acquired sorafenib resistance in hepatocellular carcinoma" in the Journal of the National Cancer Institute, providing a potential explanation for this limited benefit...
November 25, 2016: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/27881963/angiogenesis-inhibitors-for-the-treatment-of-hepatocellular-carcinoma
#17
REVIEW
Massimiliano Berretta, Luca Rinaldi, Fabrizio Di Benedetto, Arben Lleshi, Vallì De Re, Gaetano Facchini, Paolo De Paoli, Raffaele Di Francia
Background: Angiogenesis inhibitors have become an important therapeutic approach in the treatment of hepatocellular carcinoma (HCC) patients. The therapeutic inhibition of angiogenesis of Sorafenib in increasing overall survival of patients with HCC is a fundamental element of the treatment of this disease. Considering the heterogeneous aspects of HCC and to boost therapeutic efficacy, prevail over drug resistance and lessen toxicity, adding antiangiogenic drugs to antiblastic chemotherapy (AC), radiation therapy or other targeted drugs have been evaluated...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27880855/the-paradoxical-pro-and-antiangiogenic-actions-of-resveratrol-therapeutic-applications-in-cancer-and-diabetes
#18
Mohammad Amin Kamaleddin
Resveratrol, a polyphenol found in grapes, peanuts, and red wine, plays different roles in diseases such as cancer and diabetes. Existing information indicates that resveratrol provides cardioprotection, as evidenced by superior postischemic ventricular recovery, reduced myocardial infarct size, and decreased number of apoptotic cardiomyocytes associated with resveratrol treatment in animal models. Cardiovascular benefits are experienced in humans with routine but not acute consumption of red wine. In this concise review, the paradoxical pro- and antiangiogenic effects of resveratrol are described, and different roles for resveratrol in the formation of new blood vessels are explained through different mechanisms...
November 23, 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27878294/arctigenin-a-lignan-from-arctium-lappa-l-inhibits-metastasis-of-human-breast-cancer-cells-through-the-downregulation-of-mmp-2-9-and-heparanase-in-mda-mb-231-cells
#19
Chenghua Lou, Zhihui Zhu, Yaping Zhao, Rui Zhu, Huajun Zhao
Arctigenin is a bioactive lignan isolated from the seeds of Arctium lappa L. which has been widely used as a diuretic and a diaphoretic in Traditional Chinese Medicine. In the present study, the authors investigated the effects of arctigenin on tumor migration and invasion in aggressive human breast cancer cells. The MTT assay results showed that arctigenin did not show a significant cytotoxic effect on the cell viability of MDA-MB-231 cells. However, wound healing migration and Boyden chamber invasion assays demonstrated that arctigenin significantly inhibited in vitro migration and invasion of the MDA-MB-231 cells...
November 23, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27877088/aloe-emodin-suppresses-hypoxia-induced-retinal-angiogenesis-via-inhibition-of-hif-1%C3%AE-vegf-pathway
#20
Jianming Wu, Xiao Ke, Wei Wang, Hongcheng Zhang, Na Ma, Wei Fu, Manxi Zhao, Xiaoping Gao, Xiaofeng Hao, Zhirong Zhang
Background: Aloe-emodin (AE) has been reported to possess the antiangiogenic effect on laser induced choroidal neovascularization. AE inhibits the vessel formation in the zebrafish embryos. However, it is still unclear whether AE can alleviate neovascularization. Here, we investigated the inhibitory effect of AE on the hypoxia-induced retinal neovascularization and the possible mechanisms. Methods: We established a vascular endothelial growth factor (VEGF) secretion model under chemical induced hypoxia by exposure of 150 µM CoCl2 to the ARPE-19 cells, then treated the cells with different concentrations of AE (0...
2016: International Journal of Biological Sciences
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