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Angiogenesis and cancer therapy

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https://www.readbyqxmd.com/read/28738343/mir-26a-b-inhibit-tumor-growth-and-angiogenesis-by-targeting-the-hgf-vegf-axis-in-gastric-carcinoma
#1
Yiran Si, Haiyang Zhang, Tao Ning, Ming Bai, Yi Wang, Haiou Yang, Xinyi Wang, Jialu Li, Guoguang Ying, Yi Ba
BACKGROUND/AIMS: Abnormal expression of HGF is found in various cancers and correlates with tumor proliferation, metastasis and angiogenesis. However, the regulatory mechanism of the HGF-VEGF axis remains unclear. METHODS: The expression characteristic of HGF in human gastric cancer tissues was shown by an immunohistochemistry assay, and the expression levels of target protein were detected by Western blot. The relative levels of miR-26a/b and target mRNA were examined by qRT-PCR...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28734841/potential-involvement-of-mi-rna-574-3p-in-progression-of-prostate-cancer-a-bioinformatic-study
#2
Naeem M Ashraf, Komal Imran, David W Kastner, Khadija Ikram, Ayesha Mushtaq, Aadil Hussain, Nadia Zeeshan
Aberrant gene expression is a hallmark of prostate cancer (PCa), the second deadliest disease affecting males worldwide. Dysregulation of miRNA has been associated with the progression of PCa, and in recent studies, miRNA 574-3p was found to be upregulated in cancerous prostate tissue. In this study, we characterize the effects of up-regulated miRNA 574-3p on gene expression in the tumor microenvironment through different bioinformatic tools such as Diana-Tools, KEGG Pathway database, and the Reactome Database...
July 19, 2017: Molecular and Cellular Probes
https://www.readbyqxmd.com/read/28729027/micrornas-as-multifaceted-players-in-glioblastoma-multiforme
#3
Neri Mercatelli, Silvia Galardi, Silvia Anna Ciafrè
Glioblastoma multiforme (GBM) is the most common and inevitably lethal primary brain tumor, with a median survival rate of only 15 months from diagnosis. The current standard treatment involves maximal surgical resection flanked by radiotherapy and chemotherapy with the alkylating agent temozolomide. However, even such aggressive treatment is never curative, and recurrent tumors always arise, commonly in more aggressive, chemo- and radio-resistant forms, leading to untreatable and deadly tumors. MicroRNAs, recognized major players in cancer, are deeply involved in GBM, as shown by more than a decade of studies...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28724427/curcumin-the-spicy-modulator-of-breast-carcinogenesis
#4
REVIEW
Urmila Banik, Subramani Parasuraman, Arun Kumar Adhikary, Nor Hayati Othman
Worldwide breast cancer is the most common cancer in women. For many years clinicians and the researchers are examining and exploring various therapeutic modalities for breast cancer. Yet the disease has remained unconquered and the quest for cure is still going on. Present-day strategy of breast cancer therapy and prevention is either combination of a number of drugs or a drug that modulates multiple targets. In this regard natural products are now becoming significant options. Curcumin exemplifies a promising natural anticancer agent for this purpose...
July 19, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28723673/energy-metabolism-in-glioblastoma-stem-cells-ppar%C3%AE-a-metabolic-adaptor-to-intratumoral-microenvironment
#5
Alessia Fidoamore, Loredana Cristiano, Chiara Laezza, Renato Galzio, Elisabetta Benedetti, Benedetta Cinque, Andrea Antonosante, Michele d'Angelo, Vanessa Castelli, Maria Grazia Cifone, Rodolfo Ippoliti, Antonio Giordano, Annamaria Cimini
Glioblastoma (GB), the most-common cancer in the adult brain, despite surgery and radio/ chemotherapy, is to date almost incurable. Many hypoxic tumors, including GB, show metabolic reprogramming to sustain uncontrolled proliferation, hypoxic conditions and angiogenesis. Peroxisome Proliferator-activated Receptors (PPAR), particularly the α isotype, have been involved in the control of energetic metabolism. Herein, we characterized patient-derived GB neurospheres focusing on their energetic metabolism and PPARα expression...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723643/methyltransferase-g9a-promotes-cervical-cancer-angiogenesis-and-decreases-patient-survival
#6
Ruey-Jien Chen, Chia-Tung Shun, Men-Luh Yen, Chia-Hung Chou, Ming-Chieh Lin
Research suggests that the epigenetic regulator G9a, a H3K9 histone methyltransferase, is involved in cancer invasion and metastasis. Here we show that G9a is linked to cancer angiogenesis and poor patient survival. Invasive cervical cancer has a higher G9a expression than cancer precursors or normal epithelium. Pharmacological inhibition and genetic silencing of G9a suppresses H3K9 methylation, cancer cell proliferation, angiogenesis, and cancer cell invasion/migration, but not apoptosis. Microarray and quantitative reverse transcription polymerase chain reaction analyses reveal that G9a induces a cohort of angiogenic factors that include angiogenin, interleukin-8, and C-X-C motif chemokine ligand 16...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723489/immunotherapy-for-renal-cancer-sequencing-and-combinations
#7
REVIEW
Grant D Stewart, Maria De Santis, Bernard Escudier, Thomas Powles, Guru Sonpavde
CONTEXT: Current therapy for renal cell carcinoma (RCC) generally consists of the sequential administration of single agent therapy. Given the advent of T-cell checkpoint inhibitors, the role of combinations including these agents is being intensely interrogated. OBJECTIVE: To evaluate ongoing trials of combinations including immunotherapy and sequencing of agents to treat RCC. EVIDENCE ACQUISITION: Recent data and ongoing trials were analyzed to evaluate the direction of research in this arena...
December 15, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28719575/non-canonical-notch3-signalling-limits-tumour-angiogenesis
#8
Shuheng Lin, Ana Negulescu, Sirisha Bulusu, Benjamin Gibert, Jean-Guy Delcros, Benjamin Ducarouge, Nicolas Rama, Nicolas Gadot, Isabelle Treilleux, Pierre Saintigny, Olivier Meurette, Patrick Mehlen
Notch signalling is a causal determinant of cancer and efforts have been made to develop targeted therapies to inhibit the so-called canonical pathway. Here we describe an unexpected pro-apoptotic role of Notch3 in regulating tumour angiogenesis independently of the Notch canonical pathway. The Notch3 ligand Jagged-1 is upregulated in a fraction of human cancer and our data support the view that Jagged-1, produced by cancer cells, is inhibiting the apoptosis induced by the aberrant Notch3 expression in tumour vasculature...
July 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28718423/angiogenesis-and-metabolism-entwined-for-therapy-resistance
#9
REVIEW
Gabriela Jiménez-Valerio, Oriol Casanovas
Angiogenesis and metabolism are entwined processes that permit tumor growth and progression. Blood vessel supply is necessary for tumor survival not only by providing oxygen and nutrients for anabolism but also by removing waste products from cellular metabolism. On the other hand, blocking angiogenesis with antiangiogenic therapies shows clinical benefits in treating several tumor types. Nevertheless, resistance to therapy emerges over time. In this review we discuss a novel mechanism of adaptive resistance involving metabolic adaptation of tumor cells, and we also provide examples of tumor adaptation to therapy, which may represent a new mechanism of resistance in several types of cancer...
January 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28718409/metronomic-chemotherapy-direct-targeting-of-cancer-cells-after-all
#10
REVIEW
Nicolas André, Kelvin Tsai, Manon Carré, Eddy Pasquier
Metronomic chemotherapy (MC) was initially described as an antiangiogenic therapy more than 15 years ago. Over the past few years, additional data have highlighted the impact of MC on the microenvironment beyond angiogenesis, with, most importantly, a potential impact on the immune system. Here, we review and reappraise the fact that MC might be able to directly kill cancer cells. Although long neglected, this question is of critical importance both fundamentally and clinically, especially when considering future associations with immunotherapies...
May 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28718406/targeting-hypoxia-inducible-factors-for-antiangiogenic-cancer-therapy
#11
REVIEW
Sergio Rey, Luana Schito, Bradly G Wouters, Scott Eliasof, Robert S Kerbel
Hypoxia (low O2) is a pathobiological hallmark of solid cancers, resulting from the imbalance between cellular O2 consumption and availability. Hypoxic cancer cells (CCs) stimulate blood vessel sprouting (angiogenesis), aimed at restoring O2 delivery to the expanding tumor masses through the activation of a transcriptional program mediated by hypoxia-inducible factors (HIFs). Here, we review recent data suggesting that the efficacy of antiangiogenic (AA) therapies is limited in some circumstances by HIF-dependent compensatory responses to increased intratumoral hypoxia...
July 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28717943/a-pyrrole-based-natural-small-molecule-mitigates-hsp90-expression-in-mda-mb-231-cells-and-inhibits-tumor-angiogenesis-in-mice-by-inactivating-hsf-1
#12
K C Rashmi, H S Atreya, M Harsha Raj, Bharathi P Salimath, H S Aparna
Heat shock proteins (HSPs), molecular chaperones, are crucial for the cancer cells to facilitate proper functioning of various oncoproteins involved in cell survival, proliferation, migration, and tumor angiogenesis. Tumor cells are said to be "addicted" to HSPs. HSPs are overexpressed in many cancers due to upregulation of transcription factor Heat-shock factor 1 (HSF-1), the multifaceted master regulator of heat shock response. Therefore, pharmacological targeting of HSPs via HSF-1 is an effective strategy to treat malignant cancers like triple negative breast cancer...
July 17, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28714000/circulating-levels-of-angiogenesis-related-growth-factors-in-breast-cancer-a-study-to-profile-proteins-responsible-for-tubule-formation
#13
Gemma A Barron, Marie Goua, Klaus W J Wahle, Giovanna Bermano
The present study exploited a versatile in vitro endothelial cell/fibroblast co-culture cell system to investigate the association between angiogenesis and breast cancer by comparing the capacity of plasma from women with breast cancer and age-matched controls, to influence tubule formation and modulate angiogenesis in vitro, and to identify plasma circulating factors which might be responsible. Plasma from women with breast cancer (n=8) (added on day 7 after co-culture establishment) significantly increased tubule formation by 57% (P<0...
July 11, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713919/ganetespib-induces-g2-m-cell-cycle-arrest-and-apoptosis-in-gastric-cancer-cells-through-targeting-of-receptor-tyrosine-kinase-signaling
#14
Harry Lee, Nipun Saini, Amanda B Parris, Ming Zhao, Xiaohe Yang
Heat shock protein 90 (HSP90) regulates several important cellular processes via its repertoire of 'client proteins'. These client proteins have been found to play fundamental roles in signal transduction, cell proliferation, cell cycle progression and survival, as well as other features of malignant cells, such as invasion, tumor angiogenesis and metastasis. Thus, HSP90 is an emerging target for cancer therapy. To this end, we evaluated ganetespib (STA-9090), a novel and potent HSP90 inhibitor, for its activity in gastric cancer cell lines...
July 13, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28712314/angiogenesis-inhibitors-and-symptomatic-anal-ulcers-in-metastatic-colorectal-cancer-patients
#15
Francesca Bergamo, Sara Lonardi, Beatrice Salmaso, Carmelo Lacognata, Francesca Battaglin, Francesco Cavallin, Luca Saadeh, Sabina Murgioni, Antonino Caruso, Camillo Aliberti, Vittorina Zagonel, Carlo Castoro, Marco Scarpa
BACKGROUND: Angiogenesis inhibitors are a standard first-line treatment for metastatic colorectal cancer. Anal canal pain is a common adverse event, but its cause has never been described. The aim of the study was to evaluate the association between the use of angiogenesis inhibitors and symptomatic anal ulcer development. METHODS: This retrospective cohort study included all 601 consecutive metastatic colorectal cancer patients undergoing first line treatment from January 2010 to June 2016 at the Veneto Institute of Oncology...
July 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28711021/sensitizing-effects-of-an-organovanadium-compound-during-adjuvant-therapy-with-cyclophosphamide-in-a-murine-tumor-model
#16
Abhishek Basu, Arin Bhattacharjee, Prosenjit Ghosh, Amalesh Samanta, Sudin Bhattacharya
Various epidemiological and preclinical studies have already established the cancer chemopreventive potential of vanadium. In addition, recent studies have also indicated the abilities of vanadium-based compounds to induce cell death selectively towards malignant cells. Therefore, the objective of the present investigation is to improve the therapeutic efficacy and toxicity profile of an alkylating agent, cyclophosphamide, by the concurrent use of an organovanadium compound, oxovanadium(IV)-l-cysteine methyl ester complex (VC-IV)...
July 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28708066/novel-selective-detection-method-of-tumor-angiogenesis-factors-using-living-nano-robots
#17
Mohamed Al-Fandi, Nida Alshraiedeh, Rami Owies, Hala Alshdaifat, Omamah Al-Mahaseneh, Khadijah Al-Tall, Rawan Alawneh
This paper reports a novel self-detection method for tumor cells using living nano-robots. These living robots are a nonpathogenic strain of E. coli bacteria equipped with naturally synthesized bio-nano-sensory systems that have an affinity to VEGF, an angiogenic factor overly-expressed by cancer cells. The VEGF-affinity/chemotaxis was assessed using several assays including the capillary chemotaxis assay, chemotaxis assay on soft agar, and chemotaxis assay on solid agar. In addition, a microfluidic device was developed to possibly discover tumor cells through the overexpressed vascular endothelial growth factor (VEGF)...
July 14, 2017: Sensors
https://www.readbyqxmd.com/read/28707589/advances-in-the-anticancer-value-of-the-ursolic-acid-through-nanodelivery
#18
Azadeh Manayi, Marjan Nikan, Navid Nobakht Haghighid, Mohammad Abdollahi
Ursolic acid, a natural pentacyclic triterpenoid is commonly found in plants and foods with promising biological and pharmacological activities. The compound has been under the attention of researchers due to its considerable anticancer effects through suppression of differentiation, angiogenesis, invasion, and metastasis of tumor cells via different pathways with low toxicity. Bioavailability of ursolic acid is poor due to poor solubility of the compound in water. Low bioavailability and short plasma half-life of ursolic acid along with non-specific distribution in the body are considered as impediments in the therapeutic development of the compound...
July 13, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28706266/microenvironmental-regulation-of-tumour-angiogenesis
#19
REVIEW
Michele De Palma, Daniela Biziato, Tatiana V Petrova
Tumours display considerable variation in the patterning and properties of angiogenic blood vessels, as well as in their responses to anti-angiogenic therapy. Angiogenic programming of neoplastic tissue is a multidimensional process regulated by cancer cells in concert with a variety of tumour-associated stromal cells and their bioactive products, which encompass cytokines and growth factors, the extracellular matrix and secreted microvesicles. In this Review, we discuss the extrinsic regulation of angiogenesis by the tumour microenvironment, highlighting potential vulnerabilities that could be targeted to improve the applicability and reach of anti-angiogenic cancer therapies...
July 14, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28702078/anticancer-activities-and-mechanisms-of-heat-clearing-and-detoxicating-traditional-chinese-herbal-medicine
#20
REVIEW
Yulin Zhang, Yeer Liang, Chengwei He
In traditional Chinese medicine (TCM) theory, pathogenic heat and toxins, which are akin to the inflammatory factors, are the causes of cancer and could promote its virulent development. Therefore, heat-clearing and detoxicating (HCD) herbs are essential components of TCM formulas for cancer treatment. An increasing interest has been focused on the study of HCD herbs and accumulated evidences have shown that HCD herbs or HCD herbs-based formulas exhibited remarkable anticancer effects when used alone or combined with other therapeutic approaches...
2017: Chinese Medicine
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