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Anti-angiogenesis

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https://www.readbyqxmd.com/read/29454091/anlotinib-inhibits-angiogenesis-via-suppressing-the-activation-of-vegfr2-pdgfr%C3%AE-and-fgfr1
#1
Binyan Lin, Xiuming Song, Dawei Yang, Dongsheng Bai, Yuyuan Yao, Na Lu
Tumor cells recruit vascular endothelial cells and circulating endothelial progenitor cells to form new vessels to support their own growth and metastasis. VEGF, PDGF-BB and FGF-2 are three major pro-angiogenic factors and applied to promote angiogenesis. In this research, we demonstrated that anlotinib, a potent multi-tyrosine kinases inhibitor (TKI), showed a significant inhibitory effect on VEGF/PDGF-BB/FGF-2-induced angiogenesis in vitro and in vivo. Wound healing assay, chamber directional migration assay and tube formation assay indicated that anlotinib inhibited VEGF/PDGF-BB/FGF-2-induced cell migration and formation of capillary-like tubes in endothelial cells...
February 14, 2018: Gene
https://www.readbyqxmd.com/read/29444470/effect-of-sirolimus-on-liver-cirrhosis-and-hepatic-encephalopathy-of-common-bile-duct-ligated-rats
#2
Kuo-Cheng Wu, Hui-Chun Huang, Ting Chang, Wen-Shin Lee, Chiao-Lin Chuang, I-Fang Hsin, Shao-Jung Hsu, Fa-Yauh Lee, Ching-Chih Chang, Shou-Dong Lee
Cirrhosis is often associated with portal hypertension and portal-systemic collateral vessels formation attributed to angiogenesis, which leads to severe complications as hepatic encephalopathy. Sirolimus has anti-fibrosis and anti-angiogenesis effects, but whether it influences the severity of portal-systemic collaterals and hepatic encephalopathy is unknown. This study was thus designed to address this issue in rats with common bile duct ligation-induced liver cirrhosis. Sham-operated rats were surgical controls...
February 11, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29442906/amine-functionalized-silica-nanoparticles-with-drug-and-gene-co-delivery-for-anti-angiogenesis-therapy-of-breast-cancer
#3
Xiaojin Gong, Qian Zhao, Mu Song, Feng Xue
In our study, we report on the design and characterization of a combined angiogenesis therapy for breast cancer based on well-formed amine-functionalized silica nanoparticles (SLNs). The aminefunctionalized SLNs was employed to simultaneously deliver angiostatin (ANG) plasmid and candesartan (CD) to the same cancer cell. The well-formed ANG/CD/SLNs exhibited small particle size, reasonable positive charges, excellent loading of drug and gene in vitro. Moreover, aminefunctionalized SLNs were almost no cytotoxicity...
April 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29436491/long-non-coding-rna-linc00657-acting-as-mir-590-3p-sponge-to-facilitate-low-concentration-oxidized-low-density-lipoprotein-induced-angiogenesis
#4
Mei-Hua Bao, Guang-Yi Li, Xiao-Shan Huang, Liang Tang, Li-Ping Dong, Jian-Ming Li
Angiogenesis in atherosclerotic plaque promotes plaque growth, causes plaque hemorrhage and violates plaque stability. LINC00657 is a long noncoding RNA highly conserved and abundantly expressed in vascular endothelial cells. The present study was designed to investigate the effects and mechanisms of LINC00675 on the low concentration of oxidized low-density lipoprotein (oxLDL) induced angiogenesis. Cell proliferation assay, transwell assay, wound healing assay, and tube formation assay were conducted to detect the effects of low concentration of oxLDL on angiogenesis; The results discovered that oxLDL promoted the cell proliferation, migration, and tube formation...
February 7, 2018: Molecular Pharmacology
https://www.readbyqxmd.com/read/29431425/droplet-array-based-3d-coculture-system-for-high-throughput-tumor-angiogenesis-assay
#5
Xiaohui Du, Wanming Li, Guan-Sheng Du, Hansang Cho, Min Yu, Qun Fang, Luke P Lee, Jin Fang
Angiogenesis is critical for tumor progression and metastasis, and it progresses through orchestral multicellular interactions. Thus, there is urgent demand for high-throughput tumor angiogenesis assays for concurrent examination of multiple factors. For investigating tumor angiogenesis, we developed a microfluidic droplet array-based cell-coculture system comprising a two-layer polydimethylsiloxane chip featuring 6 × 9 paired-well arrays and an automated droplet-manipulation device. In each droplet-pair unit, tumor cells were cultured in 3D in one droplet by mixing cell suspensions with Matrigel, and in the other droplet, human umbilical vein endothelial cells (HUVECs) were cultured in 2D...
February 12, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29416760/combination-therapy-of-7-o-succinyl-macrolactin-a-tromethamine-salt-and-temozolomide-against-experimental-glioblastoma
#6
Jun Jin, Kihwan Hwang, Jin-Deok Joo, Jung Ho Han, Chae-Yong Kim
7-O-succinyl macrolactin A has shown anti-inflammatory, anti-angiogenesis, and anti-metastatic effects. It also exhibits strong suppression of tumor growth. In our previous study, we assessed the anti-neoplastic effects of 7-O-succinyl macrolactin A tromethamine salt (SMA salt) on a glioma cell line. Moreover, according to our data, SMA salt might be contributed to the inhibitory effects on migration and invasion, as well as a cytotoxic effect on the glioblastoma cell lines. In the present study, we investigated the anti-tumor effects of combination therapy with SMA salt and temozolomide (TMZ) in glioblastoma cell lines...
January 5, 2018: Oncotarget
https://www.readbyqxmd.com/read/29416603/deguelin-suppresses-angiogenesis-in-human-hepatocellular-carcinoma-by-targeting-hgf-c-met-pathway
#7
Ming Li, Xinfang Yu, Wei Li, Ting Liu, Gang Deng, Wenbin Liu, Haidan Liu, Feng Gao
Angiogenesis plays a crucial role in the development of human hepatocellular carcinoma (HCC). In the present study, we found a natural compound, deguelin, has a profound anti-angiogenesis effect on HCC. Deguelin suppressed vascular endothelial growth factor (VEGF)-induced human umbilical vascular endothelial cells (HUVECs) proliferation, migration, invasion, and capillary-like tube formation in vitro and reduced tumor angiogenesis in vivo. We discovered that VEGF receptor-mediated signal transduction cascades in HUVECs were inhibited by deguelin...
January 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29399548/anti-inflammatory-and-anti-angiogenesis-effects-of-verapamil-on-rat-air-pouch-inflammation-model
#8
Tahereh Eteraf-Oskouei, Sevda Mikaily Mirak, Moslem Najafi
Purpose: In the present study, the effects of verapamil on inflammation and angiogenesis in air pouch model were studied. Methods: To create a model of inflammation in the rats, on days 1 and 3 sterile air, and on the sixth day, carrageenan was injected into the pouch subcutaneously. Normal saline as control, diclofenac sodium and dexamethasone as standards and verapamil (0.05, 0.1 and 0.2mg/rat) was injected into the pouch simultaneously with carrageenan and as well as 24 and 48 hours later. After 72 hours, volume of exudate, the leukocytes count, concentration of VEGF and IL-1ß, granulomatous tissue weight, histopathological changes and angiogenesis were considered...
December 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29379010/isoliquiritigenin-blunts-osteoarthritis-by-inhibition-of-bone-resorption-and-angiogenesis-in-subchondral-bone
#9
Baochao Ji, Zhendong Zhang, Wentao Guo, Hairong Ma, Boyong Xu, Wenbo Mu, Abdusami Amat, Li Cao
Isoliquiritigenin (ISL), a natural flavonoid extracted from licorice, has been demonstrated to exert attenuation of osteoclastogenesis and anti-angiogenesis activity in a wide variety of cells. Here, we first evaluated the effects of ISL on pathogenesis of osteoarthritis in a mouse model of OA. The data showed that ISL blunted progression of OA and lowered the Osteoarthritis Research Society International (OARSI)-Modified Making Score and protected the articular cartilage. The thickness of calcified cartilage zone was significantly decreased in ISL-treated ACLT mice compared with vehicle group...
January 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29377564/design-synthesis-and-biological-evaluation-of-new-pyrazoline-based-hydroxamic-acid-derivatives-as-aminopeptidase-n-apn-inhibitors
#10
Jiangying Cao, Jie Zang, Chunhua Ma, Xiaoguang Li, Jinning Hou, Jin Li, Yongxue Huang, Wenfang Xu, Binghe Wang, Yingjie Zhang
Aminopeptidase N (APN) has been recognized as a target for anticancer treatment due to its overexpression on diverse malignant tumor cells and association with cancer invasion, metastasis and angiogenesis. Herein, we described the synthesis, biological evaluation and structure-activity relationship study of two new series of pyrazoline analogs as APN inhibitors. Among these compounds, compound 13e showed the best APN inhibition with an IC50 value of 0.16 ± 0.02 μM, which was over one order of magnitude lower than that of bestatin (IC50 = 9...
January 27, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29376491/ganglioside-gm3-and-its-role-in-cancer
#11
Changping Zheng, Marco Terreni, Matthieu Sollogoub, Yongmin Zhang
Ganglioside GM3 is strongly related with human tumors, such as lung, brain cancers and melanomas, and more and more evidences have revealed that GM3 possesses powerful effects on cancer development and progression. GM3 is over expressed on several types of cancers, and can be as a tumor-associated carbohydrate antigen, used for immunotherapy of cancers. GM3 can also inhibit tumor cells growth by anti-angiogenesis or motility and so on. Especially, GM3 has effects on the EGFR tyrosine kinase signaling, uPAR-related signaling and glycolipid-enriched microdomains, which are essential for cancer signaling conduction...
January 28, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29367761/hypoxia-induces-mir-153-through-the-ire1%C3%AE-xbp1-pathway-to-fine-tune-the-hif1%C3%AE-vegfa-axis-in-breast-cancer-angiogenesis
#12
Huichun Liang, Ji Xiao, Zhongmei Zhou, Jiao Wu, Fei Ge, Zongcheng Li, Hailin Zhang, Jian Sun, Fubing Li, Rong Liu, Ceshi Chen
It is well documented that hypoxia activates the hypoxia-inducible factor 1-alpha (HIF1α)/vascular endothelial growth factor A (VEGFA) axis to promote angiogenesis in breast cancer. However, it is unclear how this axis is negatively regulated. In this study, we demonstrated that miR-153 directly inhibits expression of HIF1α by binding to the 3'UTR of HIF1A mRNA, as well as suppresses tube formation of primary human umbilical vein endothelial cells (HUVECs) and breast cancer angiogenesis by decreasing the secretion of VEGFA...
January 25, 2018: Oncogene
https://www.readbyqxmd.com/read/29367676/inhibition-of-angiogenesis-by-leflunomide-via-targeting-the-soluble-ephrin-a1-epha2-system-in-bladder-cancer
#13
Maolin Chu, Chunying Zhang
Angiogenesis plays an important role in bladder cancer (BCa). The immunosuppressive drug leflunomide has attracted worldwide attention. However, the effects of leflunomide on angiogenesis in cancer remain unclear. Here, we report the increased expression of soluble ephrin-A1 (sEphrin-A1) in supernatants of BCa cell lines (RT4, T24, and TCCSUP) co-cultured with human umbilical vein endothelial cells (HUVECs) compared with that in immortalized uroepithelial cells (SV-HUC-1) co-cultured with HUVECs. sEphrin-A1 is released from BCa cells as a monomeric protein that is a functional form of the ligand...
January 24, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29366766/breast-cancer-amelioration-by-butea-monosperma-in-vitro-and-in-vivo
#14
Prachi Karia, Kirti V Patel, Shri S P Rathod
ETHNOPHARMACOLOGICAL RELEVANCE: Butea monosperma belonging to family Fabaceae is used in the Indian traditional medicine (Ayurveda) for various ailments including abdominal tumors and possess anti-estrogenic activity. AIM OF THE STUDY: The present study is aimed at investigating the chemo-preventive potential of Butea monosperma in breast cancer and elucidating it's mechanism of action by assessing its effect on key processes like apoptosis, angiogenesis and metastasis...
January 20, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29348487/h1-phgfk1-nanoparticles-exert-anti-tumoural-and-radiosensitising-effects-by-inhibition-of-met-in-glioblastoma
#15
Wenyan Zhang, Rui Duan, Jian Zhang, William K C Cheung, Xiaoge Gao, Raymond Zhang, Qing Zhang, Mengxue Wei, Gang Wang, Qian Zhang, Peng-Jin Mei, Hong-Lin Chen, Hsiangfu Kung, Marie C Lin, Zan Shen, Junnian Zheng, Longzhen Zhang, Hong Yao
BACKGROUND: The therapeutic resistance to ionising radiation (IR) and anti-angiogenesis mainly impair the prognosis of patients with glioblastoma. The primary and secondary MET aberrant activation is one crucial factor for these resistances. The kringle 1 domain of hepatocyte growth factor (HGFK1), an angiogenic inhibitor, contains a high-affinity binding domain of MET; however, its effects on glioblastoma remain elusive. METHODS: We formed the nanoparticles consisting of a folate receptor-targeted nanoparticle-mediated HGFK1 gene (H1/pHGFK1) and studied its anti-tumoural and radiosensitive activities in both subcutaneous and orthotopic human glioma cell-xenografted mouse models...
January 18, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29344964/recent-advances-and-opportunities-in-proteomic-analyses-of-tumor-heterogeneity
#16
REVIEW
Nicholas W Bateman, Thomas P Conrads
Solid tumor malignancies comprise a highly variable admixture of tumor and non-tumor cellular populations, forming a complex cellular ecosystem and tumor microenvironment. This tumor heterogeneity is not incidental and is known to correlate with poor patient prognosis for many cancer types. Indeed, non-malignant cell populations, such as vascular endothelial and immune cells, are known to play key roles supporting and, in some cases, driving aggressive tumor biology and represent targets of emerging therapeutics, such as anti-angiogenesis and immune checkpoint inhibitors...
January 17, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29340079/high-expression-of-angiogenic-factor-aggf1-is-an-independent-prognostic-factor-for-hepatocellular-carcinoma
#17
Jianfei Tu, Xihui Ying, Dengke Zhang, Qiaoyou Weng, Weibo Mao, Li Chen, Xulu Wu, Chaoyong Tu, Jiansong Ji, Yuan Huang
Background: Angiogenesis plays a critical role in tumor growth and metastasis. Angiogenic factor with G patch and FHA domains 1 (AGGF1) has been recently identified as a novel initiator of angiogenesis. However, the function and the prognostic values of AGGF1 in hepatocellular carcinoma remain poorly understood. Our aim is to provide more information to assist design the angiogenesis therapy that targets AGGF1 in HCC. Results: AGGF1-positive frequency in HCC tissues was significantly higher than in peritumor tissues...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29330051/anti-tumor-effects-of-triptolide-on-angiogenesis-and-cell-apoptosis-in-osteosarcoma-cells-by-inducing-autophagy-via-repressing-wnt-%C3%AE-catenin-signaling
#18
Xugui Li, Qilin Lu, Wei Xie, Yang Wang, Guanqing Wang
Osteosarcoma is a common malignant bone tumor occurring in adolescents and children. The poor prognosis and low 5-year survival rate of osteosarcoma partly due to high metastasis of osteosarcoma. Triptolide (TPL), an extract from Tripterygium wilfordii, is widely used in cancer treatment. In our present study, we aimed to study the effect of TPL in osteosarcoma treatment and explore the associated regulation mechanism. Our study revealed that TPL inhibited angiogenesis by suppressing the expression of hypoxia inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) in dose dependent manner...
January 9, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29329598/treatment-outcome-of-anti-angiogenesis-through-vegf-pathway-in-the-management-of-gastric-cancer-a-systematic-review-of-phase-ii-and-iii-clinical-trials
#19
Brian Mawalla, Xianglin Yuan, Xiaoxiao Luo, Phillip L Chalya
OBJECTIVES: Advanced gastric cancer poses a therapeutic challenge worldwide. In randomised clinical trials, anti-VEGF has been reported as an essential agent for the treatment of advanced gastric cancer. This review aims at assessing the treatment outcome of anti-angiogenesis therapy through the VEGF pathway in the management of patients with advanced gastric cancer. RESULTS: During this review, 38 clinical trials were identified. Of these, 30 clinical trials were excluded, leaving eight trials of phase II and III...
January 12, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29325127/inhibiting-trophoblast-par-1-overexpression-suppresses-sflt-1-induced-anti-angiogenesis-and-abnormal-vascular-remodeling-a-possible-therapeutic-approach-for-preeclampsia
#20
Yin Zhao, YanFang Zheng, XiaoXia Liu, QingQing Luo, Di Wu, XiaoPing Liu, Li Zou
STUDY QUESTION: Is it possible to improve vascular remodeling by inhibiting the excessive expression of protease activated receptor 1 (PAR-1) in trophoblast of abnormal placenta? SUMMARY ANSWER: Inhibition of trophoblast PAR-1 overexpression may promote placental angiogenesis and vascular remodeling, offering an alternative therapeutic approach for preeclampsia. WHAT IS KNOWN ALREADY: PAR-1 is high-affinity receptor of thrombin. Thrombin increases sFlt-1 secretion in trophoblast via the activation of PAR-1...
January 9, 2018: Molecular Human Reproduction
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