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Anti-angiogenesis

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https://www.readbyqxmd.com/read/28223694/combination-of-ruthenium-ii-arene-complex-ru-%C3%AE-6-p-cymene-cl2-pta-rapta-c-and-the-epidermal-growth-factor-receptor-inhibitor-erlotinib-results-in-efficient-angiostatic-and-antitumor-activity
#1
Robert H Berndsen, Andrea Weiss, U Kulsoom Abdul, Tse J Wong, Patrick Meraldi, Arjan W Griffioen, Paul J Dyson, Patrycja Nowak-Sliwinska
Ruthenium-based compounds show strong potential as anti-cancer drugs and are being investigated as alternatives to other well-established metal-based chemotherapeutics. The organometallic compound [Ru(η(6)-p-cymene)Cl2(pta)], where pta = 1,3,5-triaza-7-phosphaadamantane (RAPTA-C) exhibits broad acting anti-tumor efficacy with intrinsic angiostatic activity. In the search for an optimal anti-angiogenesis drug combination, we identified synergistic potential between RAPTA-C and the epidermal growth factor receptor (EGFR) inhibitor, erlotinib...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211089/icariin-promotes-mouse-hair-follicle-growth-by-increasing-insulin-like-growth-factor-1-expression-in-dermal-papillary-cells
#2
Y-S Su, Z-X Fan, S-E Xiao, B-J Lin, Y Miao, Z-Q Hu, H Liu
BACKGROUND: Icariin is a major flavonoid isolated from Epimedium spp. leaves (Epimedium Herba), and has multiple pharmacological functions, including anti-angiogenesis, anti-oxidant, anti-inflammatory and immunoprotective effects. AIM: To investigate whether icariin can stimulate growth of hair follicles in mice and the underlying mechanism. METHODS: In vitro, the effect of icariin on hair growth was assessed by using a vibrissae hair follicle (VHF) organ-culture model...
February 16, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28209257/synthesis-and-evaluation-of-n-benzofuran-5-yl-aromaticsulfonamide-derivatives-as-novel-hif-1-inhibitors-that-possess-anti-angiogenic-potential
#3
Jinlian Wei, Yingrui Yang, Yali Li, Xiaofei Mo, Xiaoke Guo, Xiaojin Zhang, Xiaoli Xu, Zhengyu Jiang, Qidong You
Hypoxia-inducible factor-1 (HIF-1) as a key mediator in tumor metastasis, angiogenesis, and poor patient prognosis has been recognized as an important cancer drug target. A novel series of N-(benzofuran-5-yl)aromaticsulfonamide derivatives were synthesized and evaluated as HIF-1 inhibitor. Among these compounds, 7q exhibited specific inhibitory effects on HIF-1 by downregulating the expression of HIF-1α under hypoxic conditions. It inhibited the HIF-1 transcriptional activity (IC50=12.5±0.7μM) and secretion of VEGF (IC50=18...
June 11, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28186697/complement-activated-vitronectin-enhances-the-invasion-of-non-phagocytic-cells-by-bacterial-pathogens-burkholderia-and-klebsiella
#4
Yi Han Tan, Akshamal Gamage, Yunn-Hwen Gan
Burkholderia pseudomallei is a serum-resistant Gram-negative bacterium capable of causing disseminated infections with metastatic complications. However, their interaction with non-phagocytic cells is poorly understood. We observed that exposure of B. pseudomallei and the closely related yet avirulent B. thailandensis to human plasma increased epithelial cell invasion by >20 fold. Enhanced invasion was primarily driven by a plasma factor which required a functional complement cascade, but surprisingly, was downstream of C3 mediated opsonisation...
February 10, 2017: Cellular Microbiology
https://www.readbyqxmd.com/read/28178668/long-non-coding-rna-crnde-a-novel-regulator-of-tumor-growth-and-angiogenesis-in-hepatoblastoma
#5
Rui Dong, Xiang-Qi Liu, Bin-Bin Zhang, Bai-Hui Liu, Shan Zheng, Kui-Ran Dong
Long non-coding RNAs (lncRNAs) are involved in many biological processes, such as angiogenesis, invasion, cell proliferation, and apoptosis. They have emerged as key players in the pathology of several tumors, including hepatoblastoma. In this study, we elucidate the biological and clinical significance of CRNDE up-regulation in hepatoblastoma. CRNDE is significantly up-regulated in human hepatoblastoma specimens and metastatic hepatoblastoma cell lines. CRNDE knockdown reduces tumor growth and tumor angiogenesis in vivo, and decreases hepatoblastoma cell viability, proliferation, and angiogenic effect in vitro...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28163003/anti-angiogenesis-disappointment-in-localised-oesophagogastric-cancer
#6
Florian Lordick
No abstract text is available yet for this article.
February 2, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28155021/anti-angiogenesis-and-preeclampsia-in-2016
#7
REVIEW
Susanne Schrey-Petersen, Holger Stepan
PURPOSE OF REVIEW: Preeclampsia remains one of the most important complications in pregnancy worldwide. With this review, we aim to give an overview on important research findings over the last years and their effects on current clinical management. RECENT FINDINGS: The association between preeclampsia and altered angiogenesis is nowadays widely accepted. Only during the last years, assessment of angiogenic factors such as the soluble fms-like tyrosine kinase-1-to-placental growth factor (sFlt-1/PlGF) ratio has become available to everyday clinical practice with commercially available automated measurements...
January 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28153029/new-treatment-options-for-metastatic-renal-cell-carcinoma-with-prior-anti-angiogenesis-therapy
#8
REVIEW
Kevin Zarrabi, Chunhui Fang, Shenhong Wu
Angiogenesis is a critical process in the progression of advanced renal cell carcinoma. Agents targeting angiogenesis have played a primary role in the treatment of metastatic renal cell carcinoma. However, resistance to anti-angiogenesis therapy almost always occurs, and major progress has been made in understanding its underlying molecular mechanism. Axitinib and everolimus have been used extensively in patients whom have had disease progression after prior anti-angiogenesis therapy. Recently, several new agents have been shown to improve overall survival in comparison with everolimus...
February 2, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28151721/dysregulation-of-rab37-mediated-cross-talk-between-cancer-cells-and-endothelial-cells-via-thrombospondin-1-promotes-tumor-neovasculature-and-metastasis
#9
Yi-Ching Wang, Hong-Tai Tzeng, Chung-Han Tsai, Yi-Ting Yen, Hung-Chi Cheng, Yi-Chieh Chen, Shih-Wen Pu, Yu-Shiuan Wang, Yan-Shen Shan, Yau-Lin Tseng, Wu-Chou Su, Wu-Wei Lai, Li-Wha Wu
PURPOSE: Accumulating evidence indicates that factors secreted by cancer epithelial cells shape the tumor microenvironment to promote cancer invasion and metastasis. Recent studies also shed light on alterations of Rab small GTPases-mediated exocytosis in tumorigenesis. However, the mechanisms for Rab-mediated exocytosis in tumor microenvironment remain elusive. We aimed to investigate the interplay between Rab37-mediated exocytosis and tumor microenvironment focusing on endothelial cells motility and angiogenesis...
November 15, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28150492/mesoporous-silica-nanoparticles-as-an-anti-tumoral-angiogenesis-strategy
#10
Magdiel Inggrid Setyawati, David Tai Leong
Tumors depend heavily on angiogenesis for nutrient derivation and subsequently metastasis. Targeting tumor induced angiogenesis per se can address both tumor growth and progression simultaneously. Here, we show that we could elegantly restrict the endothelial cells angiogenic behavior through digital size control of mesoporous silica nanoparticle (MSN). This anti-angiogenesis effect was derived from the particle size dependent uptake and production of intracellular reactive oxygen species (ROS) that directly interfered with p53 tumor suppressor pathway...
February 2, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28149332/the-immunomodulatory-anticancer-agent-rrx-001-induces-an-interferon-response-through-epigenetic-induction-of-viral-mimicry
#11
Hongjuan Zhao, Shoucheng Ning, Rosalie Nolley, Jan Scicinski, Bryan Oronsky, Susan J Knox, Donna M Peehl
BACKGROUND: RRx-001, a dinitroazetidine derivative, is a novel anticancer agent currently in phase II clinical trials. It mediates immunomodulatory effects either directly through polarization of tumor associated macrophages or indirectly through vascular normalization and increased T-lymphocyte infiltration. With multiple additional mechanisms of action including upregulation of oxidative stress, depletion of GSH and NADPH, anti-angiogenesis and epigenetic modulation, RRx-001 is being studied as a radio- and chemo-sensitizer to resensitize tumors to prior therapy and to prime tumors to respond to radiation, chemotherapy and immunotherapy in combination therapy studies...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28144964/pharmacokinetics-and-protein-binding-of-mpt0b292
#12
Yu-En Tien, Chan-Jung Li, Jing-Ping Liou, Jang-Yang Chang, Jin-Ding Huang
MPT0B292 was identified through screening of compounds able to selectively acetylate α-tubulins in cells and exhibited potent anti-tumor, anti-angiogenesis and anti-metastatic effects in vitro and in vivo. Because of poor water solubility, MPT0B292 is difficult to formulate with conventional approaches and hence difficulties are experienced in research practices. We mixed MPT0B292 with albumin in the aqueous solvent to form drug albumin nanoparticles with the size range around 333 nm. We investigated unbound fractions of these nanoparticles in different or same albumin concentration solutions...
February 1, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/28129979/investigation-of-the-anti-angiogenesis-effects-induced-by-deoxypodophyllotoxin-5-fu-conjugate-c069-against-huve-cells
#13
Rong Xiang, Xiao-Wen Guan, Ling Hui, Yong-Xin Jin, Shi-Wu Chen
We have found that the deoxypodophyllotoxin-5-fluorouracil conjugate, 4'-O-demethyl-4-deoxyppodophyllotoxin-4'-yl 4-((6-(2-(5-fluorouracil-yl)acetamido) hexyl)amino)-4-oxobutanoate (C069), possessed superior cytotoxicities and less toxicity compared with etoposide. In this paper, the anti-angiogenic and vascular disrupting activities of C069 were examined with several in vitro and in vivo models. First, we demonstrated that C069 significantly inhibited the proliferation, migration, tube formation and disrupted the formed tube-like structures of HUVE cells, and inhibited angiogenesis in chicken chorioallantoic membrane assay...
January 17, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28129624/erianin-inhibits-indoleamine-2-3-dioxygenase-induced-tumor-angiogenesis
#14
Chang Su, Peng Zhang, Jianwen Liu, Yiou Cao
Tumor angiogenesis is the key process in tumor growth and metastasis, and transfers essential nutrients for solid tumor. Inhibition of tumor angiogenesis has been recognized as a more effective anti-cancer strategy for NSCLC and has acquired certain therapeutic effects. IDO has non-immune functions including regulating tumor angiogenesis and IDO dysregulation in cancer pathogenesis has been valued. Erianin is a natural product isolated from Dendrobium chrysotoxum Lindl. The antitumor activity of erianin in many kinds of cancers had been demonstrated in previous studies...
January 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28117756/talin-modulation-by-a-synthetic-n-acylurea-derivative-reduces-angiogenesis-in-human-endothelial-cells
#15
I-Rang Lim, Hyung Joon Joo, Minseon Jeong, Jong-Ho Kim, Seung-Cheol Choi, Chungho Kim, Jong-Wha Jung, Soon Jun Hong
Talin is a focal adhesion protein that activates integrins and recruits other focal adhesion proteins. Talin regulates the interactions between integrins and the extracellular matrix, which are critical for endothelial cells during angiogenesis. In this study, we successfully synthesized a novel talin modulator, N-((2-(1H-indol-3-yl)ethyl)carbamoyl)-2-(benzo[d][1,3]dioxol-5-yloxy)acetamide, referred to as KCH-1521. KCH-1521 was determined to bind talin and modulate downstream signaling molecules of talin. After 24 h of treatment, KCH-1521 changed the cell morphology of human umbilical vein endothelial cells (HUVECs) and reduced focal adhesion protein expression including vinculin and paxillin...
January 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28117425/the-role-of-vascular-endothelial-growth-factor-in-small-airway-remodelling-in-a-rat-model-of-chronic-obstructive-pulmonary-disease
#16
Lu Wang, Zhibo Xu, Bin Chen, Wei He, Jingxian Hu, Liting Zhang, Xianzhong Liu, Fang Chen
Small-airway remodelling is one of the most remarkable pathological features of chronic obstructive pulmonary disease (COPD), in which angiogenesis plays a critical role that contributes to disease progression. The endothelial cell-specific mitogen vascular endothelial growth factor (VEGF), as well as its receptors, VEGFR1, VEGFR2, are thought to be the major mediators of pathological angiogenesis, and sunitinib exhibits anti-angiogenesis property through VEGF blockage and has been widely used to treat various cancers...
January 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28113817/investigating-glioblastoma-angiogenesis-using-a-3d-in-vitro-gelma-microwell-platform
#17
Duong Nguyen, Yasemin M Akay, Metin Akay
Angiogenesis is an indispensable mechanism in physiological and pathological development of tumors that requires an adequate blood supply. Therefore, understanding the angiogenesis mechanism of tumors has become an important research area to develop reliable and effective therapies for the treatment of tumors. Although several in vivo and in vitro models were developed and used to study the underlying mechanism of angiogenesis, they showed limited success. Therefore, there is an urgent need to build a stable and cost-effective three-dimensional (3D) in vitro angiogenesis model to investigate the tumor formation...
March 25, 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28106052/tanshinone-iia-induces-intrinsic-apoptosis-in-osteosarcoma-cells-both-in-vivo-and-in-vitro-associated-with-mitochondrial-dysfunction
#18
Sheng-Teng Huang, Chao-Chun Huang, Wen-Liang Huang, Tsu-Kung Lin, Pei-Lin Liao, Pei-Wen Wang, Chia-Wei Liou, Jiin-Haur Chuang
Tanshinone IIA (Tan IIA), a phytochemical derived from the roots of Salvia miltiorrhiza, has been shown to inhibit growth and induce apoptosis in various cancer cells. The association of its inhibitory effect on the primary malignant bone tumor, osteosarcoma, with mitochondrial dysfunction remains unclear. This study aimed to investigate the anti-proliferative effects of Tan IIA on human osteosarcoma 143B cells both in vitro and in vivo. Administration of Tan IIA to NOD-SCID mice implanted with 143B cells led to significant inhibition of tumor development...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105231/pigment-epithelium-derived-factor-has-a-role-in-the-progression-of-papillary-thyroid-carcinoma-by-affecting-the-hif1%C3%AE-vegf-signaling-pathway
#19
Yichen Lv, Yu Sun, Tiefeng Shi, Chenlei Shi, Huadong Qin, Zhaozhu Li
The progression mechanism of papillary thyroid carcinoma (PTC) remains largely unknown. Accumulating evidence has suggested that various targets of pigment epithelium-derived factor (PEDF) are able to inhibit cancer progression. The aim of the present study was to examine PEDF expression in PTC patients and to investigate its relationship with aggressive clinicopathological features, as well as to explore whether PEDF affects the progression of PTC via the hypoxia-inducible factor 1α (HIF1α)-vascular endothelial growth factor (VEGF) pathway...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28098907/synergistic-combination-of-ys-1-and-adriamycin-inhibits-human-renal-cancer-through-erk1-2-signaling-pathway-in%C3%A2-vitro-and-in%C3%A2-vivo
#20
Xiaowen Yu, Qingqing Yang, Sensen Lin, Shengtao Yuan, Li Sun
Adriamycin (ADM) is a principal drug for the treatment of renal cell cancer (RCC). Due to its limited response and high renal and cardiac toxicity, synergistic effects of ADM in combination with other drugs have been widely researched. In this study, we found the combination between YS-1 and ADM, performed higher anticancer activity on 786-O human RCC cells in vitro and in vivo, than that reported on its anti-angiogenesis effect compared with monotherapy of ADM. Our data showed that when combined with ADM, YS-1 promoted the sensitivity of 786-O cells to ADM...
January 16, 2017: Oncology Reports
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