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Antiangiogenesis

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https://www.readbyqxmd.com/read/29049172/primary-cardiac-angiosarcoma-a-case-report
#1
Ruiping Zhang, Lu Li, Xinming Li, Yanlin Chu, Jihua Wu, Yunge Gao
BACKGROUND: Primary cardiac angiosarcoma is rare, but it is the most aggressive type of cardiac malignant tumor. When disease is confirmed it is often late in its stage resulting in a poor prognosis. CASE PRESENTATION: We reported a 52-year-old woman who complained of dyspnea for 2 months and dry cough for 10 days. Computed tomography (CT), F-fluorodeoxyglucose (F-FDG), positron emission tomography-computed tomography (PET-CT), and transthoracic echocardiography showed a space-occupying lesion 7 cm × 5 cm × 5 cm in the right atrium...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28993906/antiangiogenesis-and-medical-therapy-failure-in-intracranial-atherosclerosis
#2
Nestor R Gonzalez, Raymond Liou, Florian Kurth, Hao Jiang, Jeffrey Saver
Intracranial atherosclerotic disease (ICAD) is one of the most common causes of stroke worldwide and the one with the worst prognosis. In this study, we assessed the hypothesis that the balance of circulating pro- and antiangiogenic factors plays a role in the evolution of the disease and can be used as a potential marker for the disease course and a target for treatment. Seventy-four patients with severe ICAD were enrolled in this prospective observational study, medically optimized, and followed for 6 months...
October 9, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28933986/the-antiangiogenesis-effect-of-pirfenidone-in-wound-healing-in-vitro
#3
Xiao'an Liu, Yangfan Yang, Xiujuan Guo, Liling Liu, Kaili Wu, Minbin Yu
Abstracts Purpose: Pirfenidone is mostly used in antifibrotic and anti-inflammatory therapies. We have previously demonstrated that pirfenidone had antifibrotic and anti-inflammatory effects on the wound healing process after glaucoma filtration surgery in vitro and in vivo. Since the wound healing and reactive scarring process simultaneously involves inflammation, fibrosis, and angiogenesis, and angiogenesis plays a more important role in chronic or prolonged wound healing, we tried to explore the antiangiogenesis effect in pirfenidone and its potential multitarget function in regulating excessive scarring...
November 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28916369/antiangiogenesis-to-curb-urothelial-cancer
#4
Joaquim Bellmunt
No abstract text is available yet for this article.
September 12, 2017: Lancet
https://www.readbyqxmd.com/read/28842255/cyclin-dependent-kinase-5-controls-vasculogenic-mimicry-formation-in-non-small-cell-lung-cancer-via-the-fak-akt-signaling-pathway
#5
Xiaoshu Zhou, Runxia Gu, Xiaoming Han, Gang Wu, Junli Liu
Vasculogenic mimicry (VM), an endothelial-independent tumor vascularization phenomenon representing functional tumor plasticity, might be the culprit behind the poor clinical outcome in classic antiangiogenesis treatment. However, the mechanism underlying VM needs to be elucidated. Cyclin-dependent kinase 5 (CDK5) has been recognized as a key factor in regulating migration and neuronal plasticity. Recently, CDK5 was associated with tumor migration and invasion and its expression levels correlated with poor clinical prognosis, indicating its important role in tumor cell plasticity...
August 24, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28832416/targeted-therapy-and-imaging-findings
#6
Girish S Shroff, Marcelo F Benveniste, Patricia M de Groot, Carol C Wu, Chitra Viswanathan, Vassiliki A Papadimitrakopoulou, Mylene T Truong
Non-small cell lung cancer (NSCLC) is usually diagnosed when it is not amenable to curative surgery or radiation. Many of these patients are candidates for systemic therapy. Median survival is only approximately 10 months, and, accordingly, treatment in advanced NSCLC is evolving toward a more personalized approach with the identification of genetic abnormalities based on biomarkers. For example, gene mutations in EGFR (epidermal growth factor receptor) and ALK (anaplastic lymphoma kinase) lead to a cascade of pathways resulting in uncontrolled growth, proliferation, and survival of tumor cells...
September 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28812437/autophagy-induced-kdr-vegfr-2-activation-promotes-the-formation-of-vasculogenic-mimicry-by-glioma-stem-cells
#7
Hai-Bo Wu, Shuai Yang, Hai-Yan Weng, Qian Chen, Xi-Long Zhao, Wen-Juan Fu, Qin Niu, Yi-Fang Ping, Ji Ming Wang, Xia Zhang, Xiao-Hong Yao, Xiu-Wu Bian
Antiangiogenesis with bevacizumab, an antibody against vascular endothelial growth factor (VEGF), has been used for devascularization to limit the growth of malignant glioma. However, the benefits are transient due to elusive mechanisms underlying resistance to the antiangiogenic therapy. Glioma stem cells (GSCs) are capable of forming vasculogenic mimicry (VM), an alternative microvascular circulation independent of VEGF-driven angiogenesis. Herein, we report that the formation of VM was promoted by bevacizumab-induced macroautophagy/autophagy in GSCs, which was associated with tumor resistance to antiangiogenic therapy...
September 2, 2017: Autophagy
https://www.readbyqxmd.com/read/28765012/chemical-constituents-from-the-rare-mushroom-calvatia-nipponica-inhibit-the-promotion-of-angiogenesis-in-huvecs
#8
Seulah Lee, Jun Yeon Park, Dahae Lee, Soonja Seok, Yeon Jung Kwon, Tae Su Jang, Ki Sung Kang, Ki Hyun Kim
Calvatia species, also known as puffball mushrooms, are common sources of food worldwide. Calvatia nipponica (Agaricaceae) is one of the most rare species in the Calvatia genus. It was first validated in 2008. Due to its scarcity, C. nipponica has never been chemically investigated. Its recent discovery in Korea allowed to conduct this study, and using bioactivity-guided fractionation for antiangiogenic activity, chemical investigation of the MeOH extract of the fruiting bodies of C. nipponica led to the isolation of five alkaloids (1-5) and two phenolic compounds (6-7)...
September 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28756902/bevacizumab-for-advanced-cervical-cancer-final-overall-survival-and-adverse-event-analysis-of-a-randomised-controlled-open-label-phase-3-trial-gynecologic-oncology-group-240
#9
Krishnansu S Tewari, Michael W Sill, Richard T Penson, Helen Huang, Lois M Ramondetta, Lisa M Landrum, Ana Oaknin, Thomas J Reid, Mario M Leitao, Helen E Michael, Philip J DiSaia, Larry J Copeland, William T Creasman, Frederick B Stehman, Mark F Brady, Robert A Burger, J Tate Thigpen, Michael J Birrer, Steven E Waggoner, David H Moore, Katherine Y Look, Wui-Jin Koh, Bradley J Monk
BACKGROUND: On Aug 14, 2014, the US Food and Drug Administration approved the antiangiogenesis drug bevacizumab for women with advanced cervical cancer on the basis of improved overall survival (OS) after the second interim analysis (in 2012) of 271 deaths in the Gynecologic Oncology Group (GOG) 240 trial. In this study, we report the prespecified final analysis of the primary objectives, OS and adverse events. METHODS: In this randomised, controlled, open-label, phase 3 trial, we recruited patients with metastatic, persistent, or recurrent cervical carcinoma from 81 centres in the USA, Canada, and Spain...
July 27, 2017: Lancet
https://www.readbyqxmd.com/read/28756150/a-marine-sponge-alkaloid-derivative-4-chloro-fascaplysin-inhibits-tumor-growth-and-vegf-mediated-angiogenesis-by-disrupting-pi3k-akt-mtor-signaling-cascade
#10
Sonia Sharma, Santosh Kumar Guru, Sudhakar Manda, Ashok Kumar, Mubashir J Mintoo, Venna Deva Prasad, Parduman R Sharma, Dilip M Mondhe, Sandip B Bharate, Shashi Bhushan
Tumor angiogenesis and PI3K/Akt/mTOR pathway are two major molecular objectives for the treatment and management of breast cancer. Here we first time report the molecular mechanism of a marine sponge alkaloid derivative 4-chloro fascapysin (4-CF) for its anticancer and antiangiogenesis potential. It simultaneously targets multiple cancer and angiogenesis dynamics, such as proliferation, chemotaxis cell migration, and invasion, growth factors signaling cascade, autophagy and apoptosis in HUVEC and MDAMB-231 breast cancer cells...
September 25, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28740548/modulation-of-salmonella-tumor-colonization-and-intratumoral-anti-angiogenesis-by-triptolide-and-its-mechanism
#11
Jianxiang Chen, Yiting Qiao, Bo Tang, Guo Chen, Xiufeng Liu, Bingya Yang, Jing Wei, Xiangyu Zhang, Xiawei Cheng, Pan Du, Wenhui Jiang, Qingang Hu, Zi-Chun Hua
The weakened tumour colonization of attenuated Salmonella has severely hampered its clinical development. In this study, we investigated whether an anti-inflammation and antiangiogenesis compound triptolide could improve the efficacy of VNP20009, a highly attenuated Salmonella strain, against mice melanoma. By comparing the effects of conventional VNP20009 monotherapy and a combination therapy that uses both triptolide and VNP20009, we found that triptolide significantly improved the tumour colonization of VNP20009 by reducing the number of infiltrated neutrophils in the melanoma, which led to a larger necrotic area in the melanoma...
2017: Theranostics
https://www.readbyqxmd.com/read/28632451/prolyl-oligopeptidase-and-its-role-in-the-organism-attention-to-the-most-promising-and-clinically-relevant-inhibitors
#12
REVIEW
Katerina Babkova, Jan Korabecny, Ondrej Soukup, Eugenie Nepovimova, Daniel Jun, Kamil Kuca
Prolyl oligopeptidase (POP), also called prolyl endopeptidase, is a cytosolic enzyme investigated by several research groups. It has been proposed to play an important role in physiological processes such as modulation of the levels of several neuronal peptides and hormones containing a proline residue. Due to its proteolytic activity and physiological role in cell signaling pathways, inhibition of POP offers an emerging approach for the treatment of Alzheimer's and Parkinson's diseases as well as other diseases related to cognitive impairment...
June 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28616662/perifosine-enhances-bevacizumab-induced-apoptosis-and-therapeutic-efficacy-by-targeting-pi3k-akt-pathway-in-a-glioblastoma-heterotopic-model
#13
Sara Ramezani, Nasim Vousooghi, Fatemeh Ramezani Kapourchali, Mohammad Taghi Joghataei
Bevacizumab (BVZ) as an antiangiogenesis therapy leads to a transient therapeutic efficacy in high-grade glioma. However, the proapoptotic potential of BVZ has not been well elucidated, yet. There is also a tumor resistance to BVZ that is linked to post-treatment metalloproteinases and AKT activities. Herein, the association between therapeutic efficacy and putative proapoptotic activity of low-dose BVZ either alone or in combination with a specific inhibitor of AKT called perifosine (PRF), in a glioma model was investigated...
June 14, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28596914/cytotoxic-effects-of-docetaxel-as-a-candidate-drug-of-drug-eluting-stent-on-human-umbilical-vein-endothelial-cells-and-the-signaling-pathway-of-cell-migration-inhibition-adhesion-delay-and-shape-change
#14
Tingzhang Hu, Chun Yang, Meiling Fu, Jiali Yang, Rolin Du, Xiaolin Ran, Tieying Yin, Guixue Wang
Docetaxel (DTX), a paclitaxel analogue, can efficiently inhibit proliferation of vascular smooth muscle cells and has broadly been used as an antiangiogenesis drug. However, as a candidate drug of drug-eluting stent, the effects of DTX on human umbilical vein endothelial cells (HUVECs) are still not well understood. Herein, we investigated the effects of DTX on proliferation, apoptosis, adhesion, migration and morphology of HUVECs in vitro. We found that DTX had the cytostatic and cytotoxic effects at low and high concentrations, respectively...
June 2017: Regenerative Biomaterials
https://www.readbyqxmd.com/read/28595131/a-precision-guided-mwnt-mediated-reawakening-the-sunk-synergy-in-ras-for-anti-angiogenesis-lung-cancer-therapy
#15
Yujie Su, Yahui Hu, Yu Wang, Xiangting Xu, Yang Yuan, Yunman Li, Zeyuan Wang, Kerong Chen, Fangrong Zhang, Xuefang Ding, Min Li, Jianping Zhou, Yuan Liu, Wei Wang
Multi-walled carbon nanotube (MWNT) with its versatility has exhibited tremendous superiority in drug delivery. Despite plenty of researches on MWNT based delivery systems, precision-guided assistances to maximize their profitable properties are still lacking in substantive progress. We developed here a dual-targeting and co-delivery system based on MWNT for antiangiogenesis therapy in lung cancer which aimed at renin-angiotensin system (RAS) dysregulation by synergistically conducting angiotensin II type 1 receptor (AT1R) and type 2 receptor (AT2R) pathway...
September 2017: Biomaterials
https://www.readbyqxmd.com/read/28581882/nutriproteomic-analysis-of-hwangmaemok-induced-antiangiogenic-effect-using-antibody-arrayed-protein-chip-assay
#16
Yu Mi Park, Min-A Kim, Hee Tae Jung, Hwa Jeong Kang, Hwa-Seung Yoo, In-Cheol Kang
We investigated the antiangiogenic effects of Lindera obtusiloba Blume (Hwangmaemok, HMM), which is a plant in the Lauraceae family that is commonly used to treat colds and gastritis. Moreover, given that a recent study reported the inhibitory effects of HMM extract on cancer metastasis, we hypothesized that HMM extract might possess and antiangiogenic function. Thus, this study was conducted to investigate the effects of HMM extract on endothelial cell proliferation, migration, and neovascularization in chick chorioallantoic membrane (CAM), and investigated the molecular mechanism of antiangiogenesis using a ProteoChip-based proteomics technology...
June 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28533682/polyethylene-glycol-poly-%C3%AE%C2%B5-benzyloxycarbonyl-l-lysine-conjugated-vegf-sirna-for-antiangiogenic-gene-therapy-in-hepatocellular-carcinoma
#17
Gangmin Wang, XiaoLong Gao, GuoJun Gu, ZhiHong Shao, MingHua Li, PeiJun Wang, JianRong Yang, XiaoJun Cai, YongYong Li
A polyethylene glycol-poly(ε-benzyloxycarbonyl-l-lysine) (PEG-SS-PLL) block copolymer based on a disulfide-linked, novel biodegradable catiomer bearing a PEG-sheddable shell was developed to avoid "PEG dilemma" in nanoparticle intracellular tracking of PEG-PLL where PEG was nondegradable. However, PEG-SS-PLL catiomers have not been used to deliver small interfering VEGF RNA (siVEGF) in antiangiogenesis gene therapy. In this study, we aimed to investigate whether this novel biodegradable catiomer can deliver siVEGF into cancer cells and at the same time have an antitumor effect in a xenograft mouse model...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28513194/long-noncoding-rnas-emerging-regulators-of-tumor-angiogenesis
#18
Su-Rui Sheng, Jia-Shun Wu, Ya-Ling Tang, Xin-Hua Liang
Long noncoding RNAs (lncRNAs) participate in multiple biological processes especially human diseases, of which, tumor seems to be one of the most significant. Angiogenesis has been deemed to have a pivotal role in a series of tumor biological behaviors in tumorigenesis, progression and prognosis. Emerging evidences suggested that lncRNAs are involved in tumor angiogenesis and lncRNAs have already been verified to be potential biomarkers and promising therapeutic targets. This review summarized emerging angiogenesis-related lncRNAs, discussed their mechanisms interacting with cytokines, cancer stem cells, miRNAs and tumor hypoxia microenvironment, and demonstrated if lncRNAs could be new candidate targets of antiangiogenesis therapy...
July 2017: Future Oncology
https://www.readbyqxmd.com/read/28501090/antiangiogenic-therapy-in-gastroesophageal-cancer
#19
REVIEW
Zhaohui Jin, Harry H Yoon
Antiangiogenesis therapy is one of only 2 biologically targeted approaches shown to improve overall survival over standard of care in advanced adenocarcinoma of the stomach or gastroesophageal junction (GEJ). Therapeutic targeting of vascular endothelial growth factor receptor 2 improves overall survival in patients with previously treated advanced gastric/GEJ adenocarcinoma. No antiangiogenesis therapy has demonstrated an overall survival benefit in patients with chemo-naïve or resectable esophagogastric cancer or in patients whose tumors arise from the esophagus...
June 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/28488026/carfilzomib-and-lenalidomide-response-related-to-vegf-and-vegfr2-germline-polymorphisms
#20
Tristan M Sissung, Cody J Peer, Neha Korde, Sham Mailankody, Dickran Kazandjian, David J Venzon, Ola Landgren, William D Figg
The combination of carfilzomib, lenalidomide, and dexamethasone (CRd) has induced deep responses in patients with newly diagnosed multiple myeloma. While vascular endothelial growth factor (VEGF) pathway polymorphisms have been associated with clinical outcomes for antiangiogenesis agents, we explored associations between such polymorphisms and CRd clinical response. The VEGF-1498C>T (rs833061) and VEGFR2 V297I (rs2305948) were associated with CRd response (OR ≤ 0.10, P ≤ 0.009), whereas VEGF-1498C>T and VEGFR2 Q472H (rs1870377) were associated with minimum residual disease negativity (P ≤ 0...
July 2017: Cancer Chemotherapy and Pharmacology
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