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Anti-angiogenesis

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https://www.readbyqxmd.com/read/28432122/dual-regulation-of-stat1-and-stat3-by-the-tumor-suppressor-protein-pml-contributes-to-ifn%C3%AE-mediated-inhibition-of-angiogenesis
#1
Kuo-Sheng Hsu, Xuan Zhao, Xiwen Cheng, Dongyin Guan, Ganapati H Mahabeleshwar, Yu Liu, Ernest Borden, Mukesh K Jain, Hung-Ying Kao
IFNs are effective in inhibiting angiogenesis in preclinical models and in treating several angio-proliferative disorders. However, the detailed mechanisms of IFNα-mediated anti-angiogenesis are not completely understood. Stat1/2/3 and PML are IFNα downstream effectors and are pivotal regulators of angiogenesis. Here, we investigated PML's role in the regulation of Stat1/2/3 activity. In Pml knockout (KO) mice, ablation of Pml largely reduces IFNα angiostatic ability in Matrixgel plug assays. This suggested an essential role for PML in IFNα's anti-angiogenic function...
April 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28427172/the-amelioration-of-cartilage-degeneration-by-photo-crosslinked-gelha-hydrogel-and-crizotinib-encapsulated-chitosan-microspheres
#2
Pengfei Chen, Sheng Mei, Chen Xia, Ren Zhu, Yichuan Pang, Jiying Wang, Jianfeng Zhang, Fangchun Shao, Shunwu Fan
The present study aimed to investigate the synergistic therapeutic effect of decreaseing cartilage angiogenesis via exposure to crizotinib encapsulated by chitosan microspheres and photo-crosslinked hydrogel, with the goal of evaluating crizotinib as a treatment for osteoarthritis. First, we developed and evaluated the characteristics of hydrogels and chitosan microspheres. Next, we measured the effect of crizotinib on the cartilage degeneration induced by interleukin-1β in chondrocytes. Crizotinib ameliorated the pathological changes induced by interleukin-1β via its anti-angiogenesis function...
February 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28425820/metastatic-soft-tissue-sarcoma-current-treatment-landscape-and-future-perspectives
#3
E Skafida, S Kokkali, M Nikolaou, A Digklia
The therapeutic armamentarium for advanced soft tissue sarcoma (STS) has increased over the last few years. Doxorubicin monotherapy or in combination is now the established first line treatment. Beyond first line treatment, no standard therapy has been established. Novel drugs have reached the late-clinical stage development demonstrating to be effective in controlled studies. While these novel treatments can be beneficial to a subset of patients, even producing long lasting remissions, a significant fraction of the STS population derives limited benefit...
April 20, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28422724/utilizing-combinatorial-engineering-to-develop-tie2-targeting-antagonistic-angiopoetin-2-ligands-as-candidates-for-anti-angiogenesis-therapy
#4
Tomer Shlamkovich, Lidan Aharon, William A Barton, Niv Papo
In many human cancers, the receptor tyrosine kinase (RTK) Tie2 plays important roles in mediating proliferation, survival, migration and angiogenesis. Thus, molecules that could potently inhibit activation of the Tie2 receptor would have a significant impact on cancer therapy. Nevertheless, attempts to develop Tie2-targeted inhibitors have met with little success, and there is currently no FDA-approved therapeutic selectively targeting Tie2. We used a combinatorial protein engineering approach to develop a new generation of angiopoietin (Ang) 2-derived Tie2 antagonists as potential cancer therapeutics and as tools to study angiogenesis...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28405689/differential-effects-of-sulforaphane-in-regulation-of-angiogenesis-in-a-co-culture-model-of-endothelial-cells-and-pericytes
#5
Yichong Wang, Zhigang Zhou, Wei Wang, Ming Liu, Yongping Bao
Aberrant neovascularization supports nutrients and the oxygen microenvironment in tumour growth, invasion and metastasis. Recapitulation of functional microvascular structures in vitro could provide a platform for the study of vascular conditions. Sulforaphane (SFN), an isothiocyanate, has been reported to possess chemopreventive properties. In the present study, the effects of SFN on cell proliferation and tubular formation have been investigated using endothelial cells (ECs) and pericytes in coculture. SFN showed a dose-dependent inhibition on the growth of ECs and pericytes with IC50 values 46...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393322/anti-angiogenic-effect-of-hexahydrocurcumin-in-rat-corneal-neovascularization
#6
Chien-Neng Kuo, Ching-Hsein Chen, San-Ni Chen, Jou-Cheng Huang, Li-Ju Lai, Chien-Hsiung Lai, Chia-Hui Hung, Chien-Hsing Lee, Chung-Yi Chen
AIM: This study was to investigate the anti-angiogenic effect of hexahydrocurcumin (HHC) to evaluate gene (p-basic fibroblast growth factor (bFGF)-SAINT-18 & p-vascular endothelial growth factor (VEGF)-SAINT-18 complex)-induced corneal neovascularization (CorNV) in rats. METHODS: CorNV was induced in 24 eyes of 24 rats. Four groups (Group A: 0 μg, B: 0.01 μg, C: 0.1 μg, and D: 1 μg) of HHC were prepared and implanted into the rat subconjunctival substantia propria 1...
April 9, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28371798/mutual-regulation-of-tumour-vessel-normalization-and-immunostimulatory-reprogramming
#7
Lin Tian, Amit Goldstein, Hai Wang, Hin Ching Lo, Ik Sun Kim, Thomas Welte, Kuanwei Sheng, Lacey E Dobrolecki, Xiaomei Zhang, Nagireddy Putluri, Thuy L Phung, Sendurai A Mani, Fabio Stossi, Arun Sreekumar, Michael A Mancini, William K Decker, Chenghang Zong, Michael T Lewis, Xiang H-F Zhang
Blockade of angiogenesis can retard tumour growth, but may also paradoxically increase metastasis. This paradox may be resolved by vessel normalization, which involves increased pericyte coverage, improved tumour vessel perfusion, reduced vascular permeability, and consequently mitigated hypoxia. Although these processes alter tumour progression, their regulation is poorly understood. Here we show that type 1 T helper (TH1) cells play a crucial role in vessel normalization. Bioinformatic analyses revealed that gene expression features related to vessel normalization correlate with immunostimulatory pathways, especially T lymphocyte infiltration or activity...
April 13, 2017: Nature
https://www.readbyqxmd.com/read/28369747/bioengineered-three-dimensional-co-culture-of-cancer-cells-and-endothelial-cells-a-model-system-for-dual-analysis-of-tumor-growth-and-angiogenesis
#8
Geraldine Giap Ying Chiew, Na Wei, Samiksha Sultania, Sierin Lim, Kathy Qian Luo
Angiogenesis marks the transformation of a benign local tumor into a life-threatening disease. Many in vitro assays are available on two-dimensional (2D) platforms, however, limited research has been conducted to investigate the behavior of tumors and endothelial cells (ECs) grown on three-dimensional (3D) platforms. This study provides a 3D co-culture spheroid of tumor cells with endothelial cells (ECs) to study the interplay between ECs and tumor cells. In a 3D co-culture with HepG2 hepatocellular carcinoma (HCC) cells, ECs differentiate to form tubule networks when in co-culture...
March 28, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28365400/mirna-29b-suppresses-tumor-growth-through-simultaneously-inhibiting-angiogenesis-and-tumorigenesis-by-targeting-akt3
#9
Yan Li, Bolei Cai, Liangliang Shen, Yan Dong, Qun Lu, Shukai Sun, Shiyu Liu, Shufang Ma, Peter X Ma, Jihua Chen
The traditional anti-angiogenic cancer therapy could trigger hypoxia induced factor (HIF) response, leading to "reactive resistance" to chemotherapy. Simultaneously inhibiting both angiogenesis and tumorigenesis would be ideal to overcome this limitation. MicroRNAs (miRNAs) are increasingly explored as new agents for cancer therapy. In the present study, we identified a microRNA (miR-29b) with the ability of simultaneously inhibiting angiogenesis and tumorigenesis. Ectopic expression of miR-29b inhibits HUVECs formed three-dimensional capillary-like tubular structures, tumor cell proliferation, migration and tumor formation...
March 29, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28361267/anti-angiogenesis-for-cancer-revisited-is-there-a-role-for-combinations-with-immunotherapy
#10
REVIEW
Rakesh R Ramjiawan, Arjan W Griffioen, Dan G Duda
Angiogenesis is defined as the formation of new blood vessels from preexisting vessels and has been characterized as an essential process for tumor cell proliferation and viability. This has led to the development of pharmacological agents for anti-angiogenesis to disrupt the vascular supply and starve tumor of nutrients and oxygen, primarily through blockade of VEGF/VEGFR signaling. This effort has resulted in 11 anti-VEGF drugs approved for certain advanced cancers, alone or in combination with chemotherapy or other targeted therapies...
March 30, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28359326/hsp90%C3%AE-promoted-endothelial-cell-dependent-tumor-angiogenesis-in-hepatocellular-carcinoma
#11
Jing Meng, Yanrong Liu, Jingxia Han, Qiang Tan, Shuang Chen, Kailiang Qiao, Honggang Zhou, Tao Sun, Cheng Yang
BACKGROUND: Vascular endothelial growth factor receptors (VEGFRs) are the major receptors involved in endothelial cell-dependent tumor angiogenesis. There are studies account for the effects of Hsp90 on angiogenesis, but the role and mechanism of Hsp90β isoforms and NVP-BEP800, a specific inhibitor of Hsp90β, in tumor angiogenesis is rarely mentioned. METHODS: Immunohistochemistry and statistical analysis was used to evaluate the correlation between Hsp90β expression, CD31 endothelial cell-dependent vessel density, and VEGFRs expression in tissue samples of 96 HCCs...
March 31, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28359318/24h-gene-variation-effect-of-combined-bevacizumab-erlotinib-in-advanced-non-squamous-non-small-cell-lung-cancer-using-exon-array-blood-profiling
#12
Florent Baty, Markus Joerger, Martin Früh, Dirk Klingbiel, Francesco Zappa, Martin Brutsche
BACKGROUND: The SAKK 19/05 trial investigated the safety and efficacy of the combined targeted therapy bevacizumab and erlotinib (BE) in unselected patients with advanced non-squamous non-small cell lung cancer (NSCLC). Although activating EGFR mutations were the strongest predictors of the response to BE, some patients not harboring driver mutations could benefit from the combined therapy. The identification of predictive biomarkers before or short after initiation of therapy is therefore paramount for proper patient selection, especially among EGFR wild-types...
March 30, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28359198/anticancer-properties-and-pharmaceutical-applications-of-plumbagin-a-review
#13
Yuling Liu, Yuee Cai, Chengwei He, Meiwan Chen, Hui Li
It has been shown that plumbagin, a bioactive naphthoquinone isolated from three major plant families viz. Plumbaginaceae, Ebenceae and Droseraceae, definitively exhibits anticancer potential in diverse cancer cells both in vitro and in vivo. Plumbagin shows antineoplastic effects via multi-channel molecular mechanisms, including the induction of apoptosis and autophagy, the disruption of the cell cycle, the inhibition of invasion and metastasis, and anti-angiogenesis. Plumbagin inhibits the growth of cancer cells mainly through the modulation of the signals of PI3K/Akt/mTOR, AMPK, Ras, and so on...
March 30, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28356936/danshensu-a-major-water-soluble-component-of-salvia-miltiorrhiza-enhances-the-radioresponse-for-lewis-lung-carcinoma-xenografts-in-mice
#14
Hong-Ying Cao, Rui-Lin Ding, Meng Li, Mao-Nan Yang, Ling-Lin Yang, Jing-Bo Wu, Bo Yang, Jing Wang, Cui-Lian Luo, Qing-Lian Wen
The molecule 3-(3,4-dihydroxyphenyl)-2-hydroxypropanoic acid (danshensu), a herbal preparation used in traditional Chinese medicine, has been found to possess potential antitumor and anti-angiogenesis effects. The aim of the present study was to investigate the efficacy of the combination of radiation therapy (RT) with danshensu in the treatment of Lewis lung carcinoma (LLC) xenografts, whilst exploring and evaluating the mechanism involved. In total, 8-week old female C57BL/6J mice were randomly assigned into 3 groups to receive: RT, RT + cisplatin and RT + danshensu, respectively, when LLC reached 100-150 mm(3)...
February 2017: Oncology Letters
https://www.readbyqxmd.com/read/28351332/tumor-rim-cells-from-resistance-to-vascular-targeting-agents-to-complete-tumor-ablation
#15
REVIEW
Khaled Seidi, Rana Jahanban-Esfahlan, Nosratollah Zarghami
Current vascular targeting strategies pursue two main goals: anti-angiogenesis agents aim to halt sprouting and the formation of new blood vessels, while vascular disrupting agents along with coaguligands seek to compromise blood circulation in the vessels. The ultimate goal of such therapies is to deprive tumor cells out of oxygen and nutrients long enough to succumb cancer cells to death. Most of vascular targeting agents presented promising therapeutic potential, but the final goal which is cure is rarely achieved...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28349351/advanced-mri-techniques-in-the-monitoring-of-treatment-of-gliomas
#16
REVIEW
Harpreet Hyare, Steffi Thust, Jeremy Rees
With advances in treatments and survival of patients with glioblastoma (GBM), it has become apparent that conventional imaging sequences have significant limitations both in terms of assessing response to treatment and monitoring disease progression. Both 'pseudoprogression' after chemoradiation for newly diagnosed GBM and 'pseudoresponse' after anti-angiogenesis treatment for relapsed GBM are well-recognised radiological entities. This in turn has led to revision of response criteria away from the standard MacDonald criteria, which depend on the two-dimensional measurement of contrast-enhancing tumour, and which have been the primary measure of radiological response for over three decades...
March 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28345466/tumor-associated-calcium-signal-transducer-2-regulates-neovascularization-of-non-small-cell-lung-cancer-via-activating-erk1-2-signaling-pathway
#17
Xiaobin Guo, Xiaoming Zhu, Limin Zhao, Xiao Li, Dongjun Cheng, Keqing Feng
Lung cancer, especially the non-small-cell lung cancer, is a highly aggressive vascular cancer with excessively activated signaling pathways. Tumor-associated calcium signal transducer 2, also known as trop2, was identified to be correlated with tumor proliferation and invasion of non-small-cell lung cancer; however, the biological role of trop2 in neovascularization of non-small-cell lung cancer remained elusive. In this study, we first verified that trop2 was overexpressed in non-small-cell lung cancer tissues as well as cell lines and that the increased expression of trop2 promoted non-small-cell lung cancer cell proliferation and invasion...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28332573/discovery-of-multi-target-receptor-tyrosine-kinase-inhibitors-as-novel-anti-angiogenesis-agents
#18
Jinfeng Wang, Lin Zhang, Xiaoyan Pan, Bingling Dai, Ying Sun, Chuansheng Li, Jie Zhang
Recently, we have identified a biphenyl-aryl urea incorporated with salicylaldoxime (BPS-7) as an anti-angiogenesis agent. Herein, we disclosed a series of novel anti-angiogenesis agents with BPS-7 as lead compound through combining diarylureas with N-pyridin-2-ylcyclopropane carboxamide. Several title compounds exhibited simultaneous inhibition effects against three pro-angiogenic RTKs (VEGFR-2, TIE-2 and EphB4). Some of them displayed potent anti-proliferative activity against human vascular endothelial cell (EA...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28323589/preventing-high-altitude-cerebral-edema-in-rats-with-repurposed-anti-angiogenesis-pharmacotherapy
#19
Samantha Tarshis, Joanne Maltzahn, Zoe Loomis, David C Irwin
BACKGROUND: High altitude cerebral edema (HACE) is a fulminant, deadly, and yet still unpredictable brain disease. A new prophylactic treatment for HACE and its predecessor, acute mountain sickness (AMS), needs to be developed without the contraindications or adverse effect profiles of acetazolamide and dexamethasone. Since neovascularization signals are likely key contributors to HACE/AMS, our approach was to examine already existing anti-angiogenic drugs to inhibit potential initiating HACE pathway(s)...
December 1, 2016: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28292023/green-tea-and-its-anti-angiogenesis-effects
#20
REVIEW
Bahman Rashidi, Mehrnoush Malekzadeh, Mohammad Goodarzi, Aria Masoudifar, Hamed Mirzaei
The development of new blood vessels from a pre-existing vasculature (also known as angiogenesis) is required for many physiological processes including embryogenesis and post-natal growth. However, pathological angiogenesis is also a hallmark of cancer and many ischaemic and inflammatory diseases. The pro-angiogenic members of the VEGF family (vascular endothelial growth factor family), VEGF-A, VEGF-B, VEGF-C, VEGF-D and placental growth factor (PlGF), and the related receptors, VEGFR-1, VEGFR-2 and VEGFR-3 have a central and decisive role in angiogenesis...
March 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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