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https://www.readbyqxmd.com/read/28438631/in-vivo-inhibitory-activity-of-andrographolide-derivative-adn-9-against-liver-cancer-and-its-mechanisms-involved-in-inhibition-of-tumor-angiogenesis
#1
Wei Yang, Jin Zhao, Yake Wang, Haiwei Xu, Zhenwei Wu, Yangyang Hu, Kunkun Jiang, Pengpeng Shen, Cuiyun Ma, Zhenzhen Guan, Yan Zhang, Jiahui Ma, Ning Shang, Guangming Yan, Zhenji Wang, Guifu Dai
It is well known that liver cancer is a highly aggressive malignancy with poor prognosis. Andrographolide (AD), a major bioactive component of Andrographis paniculata (Burm. F.), is a potential anti-cancer pharmacophore and the synthesis of AD derivatives with better cytotoxicity to cancer cells has attracted considerable attentions. In the present study, we evaluated the in vivo inhibitory effects of ADN-9, a 15-benzylidene substituted derivative of AD, on the growth and metastasis of murine hepatoma H22 using an orthotopic xenograft model and a subcutaneous xenograft model, and we further studied the anti-angiogenic action and the related mechanisms of ADN-9 in vivo and in vitro...
April 21, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28435398/the-changes-of-tumour-vascular-endothelial-growth-factor-expression-after-neoadjuvant-chemoradiation-in-patients-with-rectal-adenocarcinoma
#2
David Buka, Josef Dvorak, Veronika Sitorova, Igor Sirak, Rene Voboril, Bohuslav Melichar, Igor Richter
AIM OF THE STUDY: The aim was to examine the effects of neoadjuvant chemoradiotherapy on VEGF expression in patients with locally advanced rectal cancer. MATERIALS AND METHODS: A total of 53 patients with locally advanced rectal cancer were retrospectively studied. Neoadjuvant treatment comprised external beam radiation (50.4 Gy/28 fractions) with continuous infusion of 5-fluorouracil. Four to 6 weeks after the chemoradiotherapy, the patients underwent surgical resection...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28435293/expression-and-significance-of-grhl2-in-esophageal-cancer
#3
Chengcheng Shao, Chushu Ji, Xiaoqiu Wang, Bing Hu
Esophageal cancer (EC) is one of the most common causes of cancer-related mortality in the world. Although much effort has been made to improve the 5-year survival rate of patients with EC, it still remains low due to diagnosis at an advanced stage, aggressive local invasion, early metastasis, and resistance to chemotherapy. Although grainyhead-like 2 (GRHL2) has attracted interest since it has been recently identified as a novel suppressor of the epithelial-mesenchymal transition, clinical values of GRHL2 and its relationship with the metastasis-related factors, such as hypoxia-inducible factor 1α (HIF-1α) and vascular endothelial growth factor (VEGF), remain unclear...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28432610/left-versus-right-does-location-matter-for-refractory-metastatic-colorectal-cancer-patients-in-phase-1-clinical-trials
#4
Sukeshi Patel Arora, Norma S Ketchum, Joel Michalek, Jonathon Gelfond, Devalingam Mahalingam
PURPOSE: Location of the primary tumor is prognostic and predictive of efficacy with VEGF-inhibitors (I) versus EGFR-I given first-line to metastatic colorectal cancer (mCRC) patients. However, little is known regarding the effect of location on prognosis and prediction in refractory mCRC. We assessed the efficacy of VEGF-I and EGFR-I in regards to location of the primary tumor in patients with refractory mCRC enrolled in early phase studies. METHODS: A historical cohort analysis of mCRC patients, including 44 phase I trials our institution, from March 2004 to September 2012...
April 22, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28427071/is-laser-still-important-in-diabetic-macular-edema-as-primary-or-deferral-therapy
#5
Maurizio Battaglia Parodi, Francesco Bandello
Laser treatment was used in the past to reduce the visual loss due to diabetic macular edema. The recent advent of anti-vascular endothelial growth factor (anti-VEGF) has completely revolutionized the management of diabetic retinopathy, with a significant improvement in the overall prognosis. Nevertheless, macular laser can still be applied in selected cases characterized by retinal thickness ≤400 microns, high visual acuity, extrafoveal location, and contraindications to the intravitreal approach with anti-VEGF and steroids...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28424250/unifying-mechanism-for-different-fibrotic-diseases
#6
Gerlinde Wernig, Shih-Yu Chen, Lu Cui, Camille Van Neste, Jonathan M Tsai, Neeraja Kambham, Hannes Vogel, Yaso Natkunam, D Gary Gilliland, Garry Nolan, Irving L Weissman
Fibrotic diseases are not well-understood. They represent a number of different diseases that are characterized by the development of severe organ fibrosis without any obvious cause, such as the devastating diseases idiopathic pulmonary fibrosis (IPF) and scleroderma. These diseases have a poor prognosis comparable with endstage cancer and are uncurable. Given the phenotypic differences, it was assumed that the different fibrotic diseases also have different pathomechanisms. Here, we demonstrate that many endstage fibrotic diseases, including IPF; scleroderma; myelofibrosis; kidney-, pancreas-, and heart-fibrosis; and nonalcoholic steatohepatosis converge in the activation of the AP1 transcription factor c-JUN in the pathologic fibroblasts...
April 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28418872/overexpression-of-fli-1-in-astrocytoma-is-associated-with-poor-prognosis
#7
Hung-Pei Tsai, Tai-Hsin Tsai, Ya-Ju Hsieh, Yi-Ting Chen, Chih-Ling Lee, Yi-Cheng Tsai, Ting-Chang She, Chih-Lung Lin, Chee-Yin Chai, Aij-Lie Kwan
BACKGROUND: Astrocytoma, a common and highly malignant type of brain tumor, is associated with poor overall survival despite advances in surgical treatment, radiotherapy, and chemotherapy. The nuclear transcription factor Fli-1 has been shown to increase cellular proliferation and tumorigenesis in many types of cancer; however, previous reports have not described a correlation between clinical outcomes and Fli-1 in astrocytoma patients. The present study aimed to elucidate the clinical role of Fli-1 in astrocytoma...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416776/clinical-value-of-mir-101-3p-and-biological-analysis-of-its-prospective-targets-in-breast-cancer-a-study-based-on-the-cancer-genome-atlas-tcga-and-bioinformatics
#8
Chun-Yao Li, Dan-Dan Xiong, Chun-Qin Huang, Rong-Quan He, Hai-Wei Liang, Deng-Hua Pan, Han-Lin Wang, Yi-Wen Wang, Hua-Wei Zhu, Gang Chen
BACKGROUND MiR-101-3p can promote apoptosis and inhibit proliferation, invasion, and metastasis in breast cancer (BC) cells. However, its mechanisms in BC are not fully understood. Therefore, a comprehensive analysis of the target genes, pathways, and networks of miR-101-3p in BC is necessary. MATERIAL AND METHODS The miR-101 profiles for 781 patients with BC from The Cancer Genome Atlas (TCGA) were analyzed. Gene expression profiling of GSE31397 with miR-101-3p transfected MCF-7 cells and scramble control cells was downloaded from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified...
April 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28416384/overexpressed-hspa2-correlates-with-tumor-angiogenesis-and-unfavorable-prognosis-in-pancreatic-carcinoma
#9
Lu-Lu Zhai, Qi Xie, Chun-Hua Zhou, Da-Wei Huang, Zhi-Gang Tang, Tong-Fa Ju
Heat shock-related 70-kDa protein 2 (HSPA2) is known to correlate with tumor development and progression. This work aimed to determine the expression and prognostic roles of HSPA2 in pancreatic carcinoma. Tumor and their corresponding non-tumor tissues were obtained from 80 patients with pancreatic carcinoma. HSPA2 expression in tumor and non-tumor tissues was evaluated by immunohistochemistry. Expression of vascular endothelial growth factor (VEGF) and CD31 in tumor tissues were also evaluated by immunostaining...
April 12, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28410224/glioma-stem-cells-derived-exosomes-promote-the-angiogenic-ability-of-endothelial-cells-through-mir-21-vegf-signal
#10
Xu Sun, Xiaotang Ma, Jinju Wang, Yuhui Zhao, Yue Wang, Ji C Bihl, Yanfang Chen, Chuanlu Jiang
Glioma stem cells (GSCs) play an important role in glioblastoma prognosis. Exosomes (EXs) mediate cell communication by delivering microRNAs (miRs). Glioblastoma has a high level of miR-21 which could upregulate vascular endothelial growth factor (VEGF) expression. We hypothesized GSC-EXs can promote the angiogenic ability of endothelial cells (ECs) through miR-21/VEGF signal. GSCs were isolated from U-251 cells with stem cell marker CD133. GSCs transfected without or with scramble or miR-21 mimics were used to produce GSC-EXscon, GSC-EXssc and GSC-EXsmiR-21...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404916/expression-of-hif-1%C3%AE-in-medullary-thyroid-cancer-identifies-a-subgroup-with-poor-prognosis
#11
Lutske Lodewijk, Paul van Diest, Petra van der Groep, Natalie Ter Hoeve, Abbey Schepers, Johannes Morreau, Johannes Bonenkamp, Adriana van Engen-van Grunsven, Schelto Kruijff, Bettien van Hemel, Thera Links, Els Nieveen van Dijkum, Susanne van Eeden, Gerlof Valk, Inne Borel Rinkes, Menno Vriens
BACKGROUND: Medullary thyroid cancer (MTC) comprises only 4% of all thyroid cancers and originates from the parafollicular C-cells. HIF-1α expression has been implied as an indicator of worse prognosis in various solid tumors. However, whether expression of HIF-1α is a prognosticator in MTC remained unclear. Our aim was to evaluate the prognostic value of HIF-1α in patients with MTC. METHODS: All patients with MTC who were operated on between 1988 and 2014 in five tertiary referral centers in The Netherlands were included...
February 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28403496/-interdisciplinary-recommendations-for-the-treatment-of-metastatic-renal-cell-carcinoma
#12
Kurt Miller, Lothar Bergmann, Christian Doehn, Jürgen Gschwend, Ulrich Keilholz
Thanks to the use of targeted therapies, the prognosis of patients with metastatic renal cell carcinoma (mRCC) has improved significantly. A median overall survival of more than 2 years is a realistic claim. These improvements are also reflected in recent discussions about 3 and more lines of therapy.Sunitinib, pazopanib, the combination of bevacizumab and interferon alpha, and temsirolimus are approved for first-line therapy of mRCC. Sunitinib and pazopanib are also approved for second-line therapy, which, for pazopanib, is confined to the use after cytokine failure...
February 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28377452/differential-expression-of-vegfa-isoforms-regulates-metastasis-and-response-to-anti-vegfa-therapy-in-sarcoma
#13
William R English, Sarah Jane Lunt, Matthew Fisher, Diane V Lefley, Mohit Dhingra, Yu-Chin Lee, Karina Bingham, Jack E Hurrell, Scott K Lyons, Chryso Kanthou, Gillian M Tozer
Elevated plasma concentrations of soluble VEGFA isoforms are associated with poor prognosis in parallel with improved response to treatment with the anti-VEGFA antibody bevacizumab. To uncover the underlying mechanism to these observations, we administered anti-VEGFA therapy to mice bearing luminescent mouse fibrosarcomas expressing single VEGFA isoforms or their wild type counterparts expressing all isoforms (fs120, fs164, fs188 or fsWT). Expression of the more soluble isoforms conferred an advantage for lung metastasis from subcutaneous tumors (fs120/164 versus fs188/WT); fs120 cells also produced more lung colonies than fs188 cells when injected intravenously...
April 4, 2017: Cancer Research
https://www.readbyqxmd.com/read/28376554/-retinal-vein-occlusion-which-treatment-when
#14
A Bajor, A Pielen, L Danzmann
According to the latest findings, macular oedema due to retinal vein occlusion is best treated safely and effectively with near-term intravitreal anti-VEGF therapy (aflibercept, bevacizumab [off label], ranibizumab). After an initial upload of 3 monthly injections of anti-VEGF, the decision on re-injection should be based on OCT (rather than on visual acuity). After initial monthly injections, the "pro-re-nata" (PRN) and the "treat-and-extend" regimens have been predominantly used in the further course of therapy...
April 4, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28369068/all-trans-retinoic-acid-suppresses-the-angiopoietin-tie2-pathway-and-inhibits-angiogenesis-and-metastasis-in-esophageal-squamous-cell-carcinoma
#15
Na Li, Yanjuan Lu, Daoming Li, Xiangyu Zheng, Jingyao Lian, Shanshan Li, Huijuan Cui, Linda Zhang, Luqian Sang, Ying Wang, Jane J Yu, Taiying Lu
Esophageal squamous cell carcinoma (ESCC) is the second common cancer in Henan province and is well-known for aggressiveness and dismal prognosis. Adjuvant therapies, chemotherapy, radiotherapy and endoscopic treatment have not improved survival rates in patients with late stage esophageal carcinoma. All-trans retinoic acid (ATRA) is the active ingredient of Vitamin A and affects a wide spectrum of biological processes including development, growth, neural function, immune function, reproduction, and vision...
2017: PloS One
https://www.readbyqxmd.com/read/28360450/renal-medullary-carcinoma-a-rare-entity
#16
Selahattin Çalışkan, Ali Murat Gökçe, Gülistan Gümrükçü, Mine Önenerk
Renal medullary carcinoma (RMC) is an uncommon aggressive neoplasm of the kidney. RMC is biologically aggressive with a very poor prognosis, and metastasis is seen in up to 95% of the patients at diagnosis or shortly thereafter. The common sites of metastasis are respectively lymph nodes, lungs, livers, and adrenal glands in order of frequency. The presence of poorly differentiated eosinophilic cells in a characteristic fibro-inflammatory stroma is seen in histological examination. The origin and pathogenesis of RMC are unclear...
March 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28357103/vegf-flt-1-and-microvessel-density-in-primary-tumors-as-predictive-factors-of-colorectal-cancer-prognosis
#17
Justyna Zygoń, Mariusz Szajewski, Wiesław Janusz Kruszewski, Robert Rzepko
Angiogenesis in the primary tumor is known to be necessary for tumor progression in adenocarcinomas of the colon. However, whether angiogenesis in the primary tumors of patients with colorectal cancer affects their prognosis has yet to be fully elucidated. The aim of the present study was to assess the association between selected pathoclinical parameters and overall survival of resectable colorectal cancer patients with the expression of angiogenesis-promoting factors, including vascular endothelial growth factor (VEGF) and Fms-like tyrosine kinase receptor (Flt-1), and microvessel density (MVD) in the primary tumor...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28351046/retinal-vein-occlusions
#18
Jost B Jonas, Jordi Monés, Agnès Glacet-Bernard, Gabriel Coscas
Retinal vein occlusions (RVOs) have been defined as retinal vascular disorders characterized by dilatation of retinal veins with retinal and subretinal hemorrhages, macular edema, and a varying degree of retinal ischemia. Retinal angiography, either as fluorescein and indocyanine green (ICG) angiography or in the form of optical coherence tomography (OCT)-based angiography, is essential for the diagnosis and assessment of the prognosis of RVOs. It allows the differentiation of diverse types of RVOs, such as perfused or nonperfused, as well as the detection of different modalities in the natural history of RVOs...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28348171/the-identification-of-macrophage-enriched-glycoproteins-using-glycoproteomics
#19
Jelani C Zarif, Weiming Yang, James R Hernandez, Hui Zhang, Kenneth J Pienta
Prostate cancer is a leading cause of cancer-related deaths of men in the U.S. While localized disease is highly treatable by surgical resection and radiation, cancer that has metastasized remains incurable. Immune cells that primarily scavenge debris, promote prostate cancer angiogenesis and wound repair are M2 Macrophages. They are phenotypically similar to M2 tumor-associated macrophages (M2-TAMs) have been reported to associate with solid tumors and aide in proliferation, metastasis, and resistance to therapy...
March 27, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28344213/over-expression-of-tbl1xr1-indicates-poor-prognosis-of-serous-epithelial-ovarian-cancer
#20
Ming Ma, Nina Yu
Transducin (β)-like 1 X-linked receptor 1 (TBL1XR1) is a core component of the NCoR/SMRT transcription co-repressor complex, and its role in regulating cancer progression has been reported. Serous epithelial ovarian cancer (EOC) is the most common histological type of EOC. Here we explored the significance of TBL1XR1 expression in predicting outcomes of patients with serous EOC. Real-time quantitative PCR analysis showed that the expression level of TBL1XR1 mRNA was significantly higher in EOC tissues compared with adjacent non-tumorous tissues...
March 2017: Tohoku Journal of Experimental Medicine
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