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Angiogenesis and cancer therapy

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https://www.readbyqxmd.com/read/28339833/vdac1-is-a-molecular-target-in-glioblastoma-with-its-depletion-leading-to-reprogrammed-metabolism-and-reversed-oncogenic-properties
#1
Tasleem Arif, Yakov Kerlin, Itay Nakdimon, Daniel Benharroch, Avijit Paul, Daniela Dadon-Klein, Varda Shoshan-Barmatz
Background.: Glioblastoma (GBM), an aggressive brain tumor with frequent relapses and a high mortality, still awaits an effective treatment. Like many cancers, GBM cells acquire oncogenic properties, including metabolic reprogramming, vital for growth. As such, tumor metabolism is an emerging avenue for cancer therapy. One relevant target is the voltage-dependent anion channel 1 (VDAC1), a mitochondrial protein controlling cell energy and metabolic homeostasis. Methods...
February 28, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28330927/e3-ubiquitin-ligase-ubr5-drives-the-growth-and-metastasis-of-triple-negative-breast-cancer
#2
Liqiu Liao, Mei Song, Xin Li, Lili Tang, Tuo Zhang, Lixing Zhang, Yihang Pan, Lotfi Chouchane, Xiaojing Ma
Patients with triple negative breast cancers (TNBC) are at high risk for recurrence and metastasis at an early time despite standard treatment, underscoring the need for novel therapeutic modalities. Here we report for the first time a distinctive and profound role of the E3 ubiquitin ligase UBR5 in the growth and metastasis of TNBC. An analysis of primary TNBC specimen by whole exon sequencing revealed strong gene amplifications of UBR5 associated with the disease. UBR5 overexpression in TNBC tissues was confirmed at mRNA and protein levels...
March 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28329693/lanthanide-integrated-supramolecular-polymeric-nanoassembly-with-multiple-regulation-characteristics-for-multidrug-resistant-cancer-therapy
#3
Weihong Jin, Qiwen Wang, Min Wu, Yang Li, Guping Tang, Yuan Ping, Paul K Chu
Cancer treatment can in principle be enhanced by the synergistic effects of chemo- and nucleic acid-based combination therapies but the lack of efficient drug nanocarriers and occurrence of multidrug resistance (MDR) are major obstacles adversely affecting the effectiveness. Herein, a lanthanide-integrated supramolecular polymeric nanoassembly that delivers anticancer drugs and siRNA for more effective cancer therapy is described. This nanotherapeutic system is prepared by loading adamantane-modified doxorubicin (Dox) into polyethylenimine-crosslinked-γ-cyclodextrin (PC) through the supramolecular assembly to form the interior Dox-loaded PC (PCD) followed by electrostatically driven self-assembly of siRNA and PCD to produce the PCD/siRNA nanocomplexes...
March 16, 2017: Biomaterials
https://www.readbyqxmd.com/read/28327411/gas6-axl-signaling-in-presence-of-sunitinib-is-enhanced-diversified-and-sustained-in-renal-tumor-cells-resulting-in-tumor-progressive-advantages
#4
Anna Gustafsson, Helena K M Fritz, Björn Dahlbäck
Clear Cell Renal Cell Carcinoma (CCRCC) is a lethal cancer with bad prognosis due to development of chemoresistance and recurrence of more aggressive tumors. Investigation of Gas6-mediated Axl signaling in CCRCC and endothelial cells reveals a Sunitinib resistant Gas6-Axl signaling that is sustained and enhanced and specifically triggers downstream AKT and PRAS40 activation in an intensified manner. Gas6-induced Axl signaling in presence of Sunitinib is also diversified displaying onset of Axl-dependent EGFR and METR activation and activation of classical MAPK pathways...
March 19, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28320095/dt-13-a-saponin-monomer-13-of-the-dwarf-lilyturf-tuber-synergized-with-vinorelbine-to-induce-mitotic-arrest-via-activation-of-erk-signaling-pathway-in-nci-h1299-cells
#5
Hongyang Li, Li Sun, Hang Li, Xiaodan Lv, Herve Semukunzi, Ruiming Li, Jun Yu, Shengtao Yuan, Sensen Lin
Vinorelbine (NVB) is a semi-synthetic vinca alkaloid that is approved for the clinical therapy of lung cancer. However, the clinical application of NVB was limited because of the acquisition of resistance and inacceptable toxicity. Therefore, it is of great interest to develop low-cytotoxic drugs that can synergize with NVB. DT-13, a saponin monomer 13 of the Dwarf lilyturf tuber, showed inhibitory effects on tumor metastasis and angiogenesis in the previous studies. Here, we found that DT-13 combined with NVB exhibited synergistic effect to inhibit the cell proliferation in human lung cancer NCI-H1299 cells rather than human embryonic lung fibroblasts WI-38...
March 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28315704/interleukin-6-and-prostate-cancer-current-developments-and-unsolved-questions
#6
Zoran Culig, Martin Puhr
Interleukin (IL)-6 is a pro-inflammatory cytokine that is expressed in prostate tumors and in the stromal tumor micro-enviroment. It is known to regulate proliferation, apoptosis, angiogenesis, and differentiation. The signaling pathway of Janus kinase and signal transducer and activator of transcription (STAT)3, which is activated by IL-6, is in the focus of scientific investigations for improved treatment approaches. Different effects of IL-6 and/or STAT3 on tumor cell growth have been observed in human and murine prostate cancer (PCa) models...
March 15, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28303751/vasoactive-peptides-associate-with-treatment-outcome-ofbevacizumab-containing-therapy-in-metastatic-colorectal-cancer
#7
Helga Hagman, Pär-Ola Bendahl, Olle Melander, Jan Sundberg, Anders Johnsson, Mattias Belting
BACKGROUND: Hypertension is a common early adverse event of anti-angiogenic treatment of cancer and may associate with treatment response. However, blood pressure measurement as a surrogate response biomarker has methodological limitations, and predictive biomarkers of angiogenesis inhibitors are lacking. In disease associated with hypertension, vasoactive peptides have been linked to cardiovascular pressure load. Here, we have explored potential associations between circulating levels of vasoactive peptides and tumor response during bevacizumab-containing treatment of colorectal cancer...
March 17, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28302581/targeting-ets1-with-rnai-based-supramolecular-nanoassemblies-for-multidrug-resistant-breast-cancer-therapy
#8
Min Wu, Xingang Liu, Weihong Jin, Yongbing Li, Yang Li, Qinglian Hu, Paul K Chu, Guping Tang, Yuan Ping
Overexpression of erythroblastosis virus E26 oncogene homolog 1 (ETS1) gene is correlated with both tumor progression and poor response to chemotherapy in cancer treatment, and the exploitation of RNA interference (RNAi) technology to downregulate ETS1 seems to be a promising approach to reverse multidrug-resistant cancer cells to chemotherapy. Hence, the RNAi-based nanomedicine which is able to simultaneously downregulate ETS1 expression and to deliver chemotherapeutic agents may improve multidrug-resistant cancer therapy synergistically...
March 13, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28301379/hypothesis-robophera-a-phosphatase-and-tensin-homolog-targeted-antineoplastic-therapy
#9
Arsalan Azimi, Arian Azimi
Phosphatase and tensin homolog (PTEN) is a protein that regulates cellular response to growth/antigrowth signals, cell survival, apoptosis, proliferation, angiogenesis, and cellular migration. Impairments in these processes are the main hallmarks of cancer, and reduced expression, activity, or stability of PTEN are among the most common etiologies of diverse types of sporadic cancers. Rosiglitazone (RO), bortezomib (BO), phosphatidylserine (PH), ethanol (E), and radiotherapy (RA) (ROBOPHERA) stimulate the expression and increase the activity of PTEN...
April 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28300714/biomarkers-and-immunotherapeutic-targets-in-glioblastoma
#10
REVIEW
Alice L Hung, Tomas Garzon-Muvdi, Michael Lim
Glioblastoma (GBM) is an aggressive central nervous system (CNS) cancer with poor prognosis despite maximal therapy. The recent advent of immunotherapy holds great promise for improving GBM survival and has already made great strides towards changing current management strategies. A diverse set of biomarkers has been implicated as immunotherapeutic targets and prognostic indicators in other cancers. Some of the more extensively studied examples include cytokines (IL-4, IL-13, and TGF-ß), checkpoint molecules (PD-1, CTLA-4, TIM-3, LAG-3, CD137, GITR, OX40), and growth/angiogenesis proteins (endoglin and EGFR)...
March 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28299189/molecular-signature-of-anastasis-for-reversal-of-apoptosis
#11
Ho Man Tang, C Conover Talbot, Ming Chiu Fung, Ho Lam Tang
Apoptosis is a type of programmed cell death that is essential for normal organismal development and homeostasis of multicellular organisms by eliminating unwanted, injured, or dangerous cells. This cell suicide process is generally assumed to be irreversible. However, accumulating studies suggest that dying cells can recover from the brink of cell death. We recently discovered an unexpected reversibility of the execution-stage of apoptosis in vitro and in vivo, and proposed the term anastasis (Greek for "rising to life") to describe this cell recovery phenomenon...
2017: F1000Research
https://www.readbyqxmd.com/read/28296148/dimp53-1-a-novel-small-molecule-dual-inhibitor-of-p53-mdm2-x-interactions-with-multifunctional-p53-dependent-anticancer-properties
#12
Joana Soares, Margarida Espadinha, Liliana Raimundo, Helena Ramos, Ana Sara Gomes, Sara Gomes, Joana B Loureiro, Alberto Inga, Flávio Reis, Célia Gomes, Maria M M Santos, Lucília Saraiva
The transcription factor p53 plays a crucial role in cancer development and dissemination, and thus p53-targeted therapies are amongst the most encouraging anticancer strategies. In human cancers with wild-type (wt) p53, its inactivation by interaction with murine double minute (MDM)2 and MDMX is a common event. Simultaneous inhibition of the p53 interaction with both MDMs is crucial to restore the tumor suppressor activity of p53. Here we describe the synthesis of the new tryptophanol-derived oxazoloisoindolinone DIMP53-1 and identify its activity as a dual inhibitor of the p53-MDM2/X interactions using a yeast-based assay...
March 10, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28293555/second-line-treatment-of-non-small-cell-lung-cancer-clinical-pathological-and-molecular-aspects-of-nintedanib
#13
REVIEW
Luis Corrales, Amanda Nogueira, Francesco Passiglia, Angela Listi, Christian Caglevic, Marco Giallombardo, Luis Raez, Edgardo Santos, Christian Rolfo
Lung carcinoma is the leading cause of death by cancer in the world. Nowadays, most patients will experience disease progression during or after first-line chemotherapy demonstrating the need for new, effective second-line treatments. The only approved second-line therapies for patients without targetable oncogenic drivers are docetaxel, gemcitabine, pemetrexed, and erlotinib and for patients with target-specific oncogenes afatinib, osimertinib, crizotinib, alectinib, and ceritinib. In recent years, evidence on the role of antiangiogenic agents have been established as important and effective therapeutic targets in non-small cell lung cancer (NSCLC)...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28289654/efforts-to-find-targets-involving-angiogenesis-step-to-improve-the-efficacy-of-target-therapy-in-the-era-of-colorectal-cancer-treatment
#14
EDITORIAL
In Ja Park
No abstract text is available yet for this article.
February 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28288630/overexpression-of-g-protein-coupled-receptor-gpr87-promotes-pancreatic-cancer-aggressiveness-and-activates-nf-%C3%AE%C2%BAb-signaling-pathway
#15
Li Wang, Wei Zhou, Yunfeng Zhong, Yongbao Huo, Ping Fan, Sudong Zhan, Jun Xiao, Xin Jin, Shanmiao Gou, Tao Yin, Heshui Wu, Tao Liu
BACKGROUND: Pancreatic cancer is a highly lethal disease and has the worst prognosis of any major malignancy. G protein-coupled receptor GPR87 is reported to be overexpressed in multiple cancers. The clinical significance and biological role of GPR87 in pancreatic cancer, however, remain to be established. METHODS: GPR87 expression in pancreatic cancer cell lines, paired patient tissues were determined using western blotting and Real-time PCR. Ninety-six human pancreatic cancer tissue samples were analyzed by immunochemistry (IHC) to investigate the association between GPR87 expression and the clinicopathological characteristics of pancreatic cancer...
March 14, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28286483/long-term-effects-pathophysiological-mechanisms-and-risk-factors-of-chemotherapy-induced-peripheral-neuropathies-a-comprehensive-literature-review
#16
REVIEW
Nicolas Kerckhove, Aurore Collin, Sakahlé Condé, Carine Chaleteix, Denis Pezet, David Balayssac
Neurotoxic anticancer drugs, such as platinum-based anticancer drugs, taxanes, vinca alkaloids, and proteasome/angiogenesis inhibitors are responsible for chemotherapy-induced peripheral neuropathy (CIPN). The health consequences of CIPN remain worrying as it is associated with several comorbidities and affects a specific population of patients already impacted by cancer, a strong driver for declines in older adults. The purpose of this review is to present a comprehensive overview of the long-term effects of CIPN in cancer patients and survivors...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28285964/survivin-and-gynaecological-tumours
#17
REVIEW
Dušan Braný, Dana Dvorská, Pavol Slávik, Richard Školka, Marián Adamkov
Survivin is the smallest member of the inhibitors of apoptosis (IAP) family. However, participation in inhibition of apoptosis is not the only function of this molecule. Survivin can also affect the proper process of mitosis and even promoting of angiogenesis or DNA repair. High levels of survivin expression are connected with foetal tissues during intrauterine development. In the overwhelming majority of healthy, differentiated adult tissues, amounts of survivin are markedly reduced. On the other hand, survivin is also often abundantly expressed in cases of various types of cancer...
February 24, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28278077/anti-angiogenic-treatment-promotes-triple-negative-breast-cancer-invasion-via-vasculogenic-mimicry
#18
Huizhi Sun, Danfang Zhang, Zhi Yao, Xian Lin, Jiameng Liu, Qiang Gu, Xueyi Dong, Fang Liu, Yi Wang, Nan Yao, Siqi Cheng, Linqi Li, Shuya Sun
Agents that target angiogenesis have shown limited efficacy for human triple-negative breast cancer (TNBC) in clinical trials. Along with endothelium-dependent vessels, there is also vasculogenic mimicry (VM) in the microcirculation of malignant tumors. The role of VM is not completely understood regarding anti-angiogenic treatment. In this study, human TNBC MDA-MB-231 and Hs578T and non-TNBC MCF-7 and BT474 tumor-bearing mice were treated with sunitinib, an anti-angiogenic drug, using a clinically relevant schedule...
February 21, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28274525/epithelial-and-endothelial-cell-plasticity-in-chronic-obstructive-pulmonary-disease-copd
#19
REVIEW
Sukhwinder Singh Sohal
Chronic Obstructive Pulmonary Disease (COPD) is mainly caused by smoking and presents with shortness of breath that is progressive and irreversible. It is a worldwide health problem and the fourth most common cause of chronic disability and mortality (even in developed countries). It is a complex disease involving both the airway and lung parenchyma. Small-airway fibrosis is the main contributor to physiological airway dysfunction in COPD. One potential mechanism contributing to small-airway fibrosis is epithelial mesenchymal transition (EMT)...
March 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/28271714/precise-engineering-of-prodrug-cocktails-into-single-polymeric-nanoparticles-for-combination-cancer-therapy-extended-and-sequentially-controllable-drug-release
#20
Hangxiang Wang, Jiaping Wu, Ke Xie, Tao Fang, Chao Chen, Haiyang Xie, Lin Zhou, Shusen Zheng
The synergistic combination of two or more chemotherapeutics frequently requires packaging in single delivery vehicles for the sequential release of each substance in a predictable manner. Here, we demonstrate for the first time that the rational engineering of a prodrug cocktail into single polymeric nanoparticles (NPs) can enable the sequential release of chemotherapeutics in a controllable manner. Exploiting combretastatin-A4 (CA4, 1) as a model antiangiogenesis agent, two ester derivatives, 2 and 3, tethered with saturated fatty acids (butanoic and heptanoic acid for 2 and 3, respectively) were synthesized...
March 15, 2017: ACS Applied Materials & Interfaces
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