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Angiogenesis and cancer therapy

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https://www.readbyqxmd.com/read/27911267/oncogenic-secretory-clusterin-in-hepatocellular-carcinoma-expression-at-early-staging-and-emerging-molecular-target
#1
Wenjie Zheng, Min Yao, Qi Qian, Wenli Sai, Liwei Qiu, Junling Yang, Wei Wu, Zhizhen Dong, Dengfu Yao
Secretory clusterin (sCLU) is associated with hepatocellular carcinoma (HCC) progression by contributing to angiogenesis, chemoresistance, cell survival, and metastasis. However, the sCLU expression at early stage of HCC progression remains to be clarified. In this study, the alteration of sCLU oncogenicity was firstly evaluated in HCC- and their para-cancerous- tissues. The incidence of sCLU expression in HCC was significantly higher than that in their non-tumorous tissues at message RNA (mRNA) or protein level, gradually increasing with tumor-node-metastasis (TNM) staging...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27904762/activin-receptor-like-kinases-a-diverse-family-playing-an-important-role-in-cancer
#2
REVIEW
Holli A Loomans, Claudia D Andl
The role and function of the members of the TGFβ superfamily has been a substantial area of research focus for the last several decades. During that time, it has become apparent that aberrations in TGFβ family signaling, whether through the BMP, Activin, or TGFβ arms of the pathway, can result in tumorigenesis or contribute to its progression. Downstream signaling regulates cellular growth under normal physiological conditions yet induces diverse processes during carcinogenesis, ranging from epithelial- to-mesenchymal transition to cell migration and invasion to angiogenesis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904650/cabozantinib-in-the-treatment-of-advanced-renal-cell-carcinoma-clinical-trial-evidence-and-experience
#3
REVIEW
Jose Manuel Ruiz-Morales, Daniel Y C Heng
The treatment of metastatic renal cell carcinoma (mRCC) is rapidly changing. During first-line treatment with targeted therapy, patients ultimately develop resistance to therapy and the disease progresses. Recently, cabozantinib has demonstrated a better response rate, progression-free survival and overall survival compared with everolimus after failure of prior targeted therapy in patients with advanced or metastatic renal cell carcinoma (RCC). Cabozantinib is a small-molecule tyrosine kinase inhibitor (TKI)...
December 2016: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/27902752/dose-dependent-dual-effect-of-baicalin-and-herb-huang-qin-extract-on-angiogenesis
#4
Dongqing Zhu, Shanshan Wang, John Lawless, Jianchen He, Zhengui Zheng
Huang Qin (root of Scutellaria baicalensis) is a widely used herb in different countries for adjuvant therapy of inflammation, diabetes, hypertension, different kinds of cancer and virus related diseases. Baicalin is the main flavonoid in this herb and has been extensively studied for 30 years. The angiogenic effect of herb Huang Qin extract and baicalin was found 13 years ago, however, the results were controversial with pro-angiogenic effect in some studies and anti-angiogenic effect in others. In this paper, the angiogenic effect of baicalin, its aglycone form baicalein and aqueous extract of Huang Qin was studied in chick embryo chorioallantoic membrane (CAM) model...
2016: PloS One
https://www.readbyqxmd.com/read/27900025/pbx3-promotes-gastric-cancer-invasion-and-metastasis-by-inducing-epithelial-mesenchymal-transition
#5
Shuanhu Wang, Chenglong Li, Wenbin Wang, Chungen Xing
The overexpression of pre-leukemia transcription factor 3 (PBX3) in tumors plays an important role in invasion, metastasis and proliferation in a variety of human cancer types. Tumor metastasis and angiogenesis significantly contribute to the progression of cancer and create challenges for cancer therapy. In the present study, reverse transcription-polymerase chain reaction demonstrated that PBX3 was upregulated in gastric cancer (GC) tissues and Transwell assay revealed that the overexpression of PBX3 promoted GC invasion and metastasis in vitro...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27897101/platelets-from-glioblastoma-patients-promote-angiogenesis-of-tumor-endothelial-cells-and-exhibit-increased-vegf-content-and-release
#6
Clara Di Vito, Stefania Elena Navone, Giovanni Marfia, Loubna Abdel Hadi, Maria Elisa Mancuso, Alessandro Pecci, Francesco Maria Crisà, Valeria Berno, Paolo Rampini, Rolando Campanella, Laura Riboni
Glioblastoma multiforme (GBM) is the most common and fatal intracranial cancer in humans and exhibits intense and aberrant angiogenesis that sustains its malignancy and involves several angiogenic signals. Among them, vascular endothelial growth factor (VEGF) plays a key role and is overexpressed in GBM. Different cells appear to act as triggers of the aberrant angiogenesis, and, among them, platelets act as key participants. In order to provide further insights into the platelet features and angiogenic role in GBM, this study investigated the effects of platelet releasate on GBM-derived endothelial cells (GECs) and the levels of VEGF and endostatin, as pro- and anti-angiogenic components of platelet releasate from GBM patients...
November 29, 2016: Platelets
https://www.readbyqxmd.com/read/27896891/stat3-targeting-by-polyphenols-novel-therapeutic-strategy-for-melanoma
#7
REVIEW
Saeideh Momtaz, Kamal Niaz, Faheem Maqbool, Mohammad Abdollahi, Luca Rastrelli, Seyed Mohammad Nabavi
Melanoma or malignant melanocytes appear with the low incidence rate, but very high mortality rate worldwide. Epidemiological studies suggest that polyphenolic compounds contribute for prevention or treatment of several cancers particularly melanoma. Such findings motivate to dig out novel therapeutic strategies against melanoma, including research toward the development of new chemotherapeutic and biologic agents that can target the tumor cells by different mechanisms. Recently, it has been found that signal transducer and activator of transcription 3 (STAT3) is activated in many cancer cases surprisingly...
November 29, 2016: BioFactors
https://www.readbyqxmd.com/read/27894246/therapy-related-changes-in-serum-proteome-patterns-of-early-stage-breast-cancer-patients-with-different-outcome
#8
Anna Walaszczyk, Monika Pietrowska, Anna Wojakowska, Agata Abramowicz, Aleksandra Chmura, Barbara Masłyk, Paweł Rodziewicz, Joanna Polańska, Katarzyna Behrendt, Elżbieta Nowicka, Rafał Tarnawski, Piotr Widłak
Adjuvant chemo- and/or radiotherapy is applied in majority of patients treated because of early stage breast cancer even though only a small fraction of them is at high risk of metastasis or recurrence. Hence, knowledge of biomarkers associated with risk of disease progression might help planning of an optimal therapy, and to protect large group of patients from toxicity of unnecessary treatment. Here we aimed to characterize serum proteome of patients diagnosed with early stage breast cancer who either showed no evidence of disease five years after the end of therapy or suffered from metastasis, relapse or second cancer during corresponding follow-up...
November 28, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27893664/genetic-aspects-of-pituitary-carcinoma-a-systematic-review
#9
Zijiang Yang, Ting Zhang, Heng Gao
BACKGROUND: Pituitary carcinoma (PC) is a rare type of malignant intracranial neoplasm defined as distant metastasis of pituitary adenoma (PA). Although PC incidence is low because only 0.1% to 0.2% of PAs ultimately develop into PCs, the prognosis is poor and 66% of patients die within the first year. Existing therapeutic measures, including surgical removal, chemotherapy, and radiotherapy, have limited effectiveness. The lack of efficacy of current treatments is largely caused by the limited understanding of the molecular pathogenesis of PA and the malignant transformation to PC...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27890656/nanoparticle-delivery-of-sirna-against-twist-to-reduce-drug-resistance-and-tumor-growth-in-ovarian-cancer-models
#10
Cai M Roberts, Sophia Allaf Shahin, Wei Wen, James B Finlay, Juyao Dong, Ruining Wang, Thanh H Dellinger, Jeffrey I Zink, Fuyuhiko Tamanoi, Carlotta A Glackin
Epithelial ovarian cancer (EOC) is the most deadly gynecologic malignancy on account of its late stage at diagnosis and frequency of drug resistant recurrences. Novel therapies to overcome these barriers are urgently needed. TWIST is a developmental transcription factor reactivated in cancers and linked to angiogenesis, metastasis, cancer stem cell phenotype, and drug resistance, making it a promising therapeutic target. In this work, we demonstrate the efficacy of TWIST siRNA (siTWIST) and two nanoparticle delivery platforms to reverse chemoresistance in EOC models...
November 24, 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/27887628/implications-of-vessel-co-option-in-sorafenib-resistant-hepatocellular-carcinoma
#11
Elizabeth A Kuczynski, Robert S Kerbel
The reason why tumors generally have a modest or transient response to antiangiogenic therapy is not well understood. This poses a major challenge for sorafenib treatment of advanced hepatocellular carcinoma (HCC) where alternate therapies are lacking. We recently published a paper entitled "Co-option of liver vessels and not sprouting angiogenesis drives acquired sorafenib resistance in hepatocellular carcinoma" in the Journal of the National Cancer Institute, providing a potential explanation for this limited benefit...
November 25, 2016: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/27882058/cyclooxygenase-2-a-role-in-cancer-stem-cell-survival-and-repopulation-of-cancer-cells-during-therapy
#12
REVIEW
Lisa Y Pang, Emma A Hurst, David J Argyle
Cyclooxygenase-2 (COX-2) is an inducible form of the enzyme that catalyses the synthesis of prostanoids, including prostaglandin E2 (PGE2), a major mediator of inflammation and angiogenesis. COX-2 is overexpressed in cancer cells and is associated with progressive tumour growth, as well as resistance of cancer cells to conventional chemotherapy and radiotherapy. These therapies are often delivered in multiple doses, which are spaced out to allow the recovery of normal tissues between treatments. However, surviving cancer cells also proliferate during treatment intervals, leading to repopulation of the tumour and limiting the effectiveness of the treatment...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27880939/inhibition-of-the-transcriptional-repressor-complex-bcl-6-bcor-induces-endothelial-sprouting-but-does-not-promote-tumor-growth
#13
Elisabeth Buchberger, Dietmar Payrhuber, Miriam El Harchi, Branislav Zagrapan, Katharina Scheuba, Anna Zommer, Edina Bugyik, Balazs Dome, Julia Barbara Kral, Waltraud Cornelia Schrottmaier, Gernot Schabbauer, Peter Petzelbauer, Marion Gröger, Martin Bilban, Christine Brostjan
The oncogenic potential of the transcriptional repressor Bcl-6 (B-cell lymphoma 6) was originally discovered in non-Hodgkin patients and the soluble Bcl-6 inhibitor 79-6 was developed to treat diffuse large B-cell lymphomas with aberrant Bcl-6 expression. Since we found Bcl-6 and its co-repressor BCoR (Bcl-6 interacting co-repressor) to be regulated in human microvascular endothelium by colorectal cancer cells, we investigated their function in sprouting angiogenesis which is central to tumor growth. Based on Bcl-6/BCoR gene silencing we found that the transcriptional repressor complex in fact constitutes an endogenous inhibitor of vascular sprouting by supporting the stalk cell phenotype: control of Notch target genes (HES1, HEY1, DLL4) and cell cycle regulators (cyclin A and B1)...
November 21, 2016: Oncotarget
https://www.readbyqxmd.com/read/27879653/ellagic-acid-inhibits-bladder-cancer-invasiveness-and-in-vivo-tumor-growth
#14
Claudia Ceci, Lucio Tentori, Maria Grazia Atzori, Pedro M Lacal, Elena Bonanno, Manuel Scimeca, Rosella Cicconi, Maurizio Mattei, Maria Gabriella de Martino, Giuseppe Vespasiani, Roberto Miano, Grazia Graziani
Ellagic acid (EA) is a polyphenolic compound that can be found as a naturally occurring hydrolysis product of ellagitannins in pomegranates, berries, grapes, green tea and nuts. Previous studies have reported the antitumor properties of EA mainly using in vitro models. No data are available about EA influence on bladder cancer cell invasion of the extracellular matrix triggered by vascular endothelial growth factor-A (VEGF-A), an angiogenic factor associated with disease progression and recurrence, and tumor growth in vivo...
November 22, 2016: Nutrients
https://www.readbyqxmd.com/read/27878118/cancer-related-functions-and-subcellular-localizations-of-septins
#15
REVIEW
Christian Poüs, Laurence Klipfel, Anita Baillet
Since the initial discovery of septin family GTPases, the understanding of their molecular organization and cellular roles keeps being refined. Septins have been involved in many physiological processes and the misregulation of specific septin gene expression has been implicated in diverse human pathologies, including neurological disorders and cancer. In this minireview, we focus on the importance of the subunit composition and subcellular localization of septins relevant to tumor initiation, progression, and metastasis...
2016: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/27876704/pancreatic-carcinoma-specific-immunotherapy-using-novel-tumor-specific-cytotoxic-t-cells
#16
Jianjun Lei, Zheng Wu, Zhengdong Jiang, Jiahui Li, Liang Zong, Xin Chen, Wanxing Duan, Qinhong Xu, Lun Zhang, Liang Han, Qingyong Ma, Zheng Wang, Dong Zhang
Pancreatic cancer represents one of the most lethal human cancers. Investigation of the effective targeting to the tumor cells is essential for both primary tumors and metastases. Tumor specific cytotoxic T lymphocytes (CTLs) have recently been considered to be the attractive vehicles for delivering therapeutic agents toward various tumor diseases. This study was to explore the distribution pattern of CTL carrying the lentiviral vectors with the characteristic of adenoviral E1 gene under the control of the cell activation-dependent CD40 ligand promoter (Lenti/hCD40L/E1AB)...
November 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27876017/increased-wnt5a-in-squamous-cell-lung-carcinoma-inhibits-endothelial-cell-motility
#17
J Rapp, E Kiss, M Meggyes, E Szabo-Meleg, D Feller, G Smuk, T Laszlo, V Sarosi, T F Molnar, K Kvell, J E Pongracz
BACKGROUND: Angiogenesis is important both in normal tissue function and disease and represents a key target in lung cancer (LC) therapy. Unfortunately, the two main subtypes of non-small-cell lung cancers (NSCLC) namely, adenocarcinoma (AC) and squamous cell carcinoma (SCC) respond differently to anti-angiogenic e.g. anti-vascular endothelial growth factor (VEGF)-A treatment with life-threatening side effects, often pulmonary hemorrhage in SCC. The mechanisms behind such adverse reactions are still largely unknown, although peroxisome proliferator activator receptor (PPAR) gamma as well as Wnt-s have been named as molecular regulators of the process...
November 23, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27865460/current-and-emerging-targeting-strategies-for-treatment-of-pancreatic-cancer
#18
A T Baines, P M Martin, C J Rorie
With a dismal 5-year survival rate of only 8%, pancreatic cancer still remains a very lethal disease. As with most cancers, pancreatic cancer is treated with different combinations of chemotherapeutic drugs which result in side effects and potential drug resistance leading in many cases to the unfortunate demise of the patient. Over recent years, a number of therapies have been developed against numerous molecular targets in cancers. Kinase inhibitors and monoclonal antibodies have been shown to target numerous kinases, growth factor receptors, and cell signaling pathways...
2016: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/27864574/enhancing-endocrine-therapy-combination-strategies-for-the-treatment-of-postmenopausal-hormone-receptor-positive-her2-advanced-breast-cancer
#19
REVIEW
Kathleen I Pritchard, Stephen K Chia, Christine Simmons, Deanna McLeod, Alexander Paterson, Louise Provencher, Daniel Rayson
: : Breast cancer (BC) is the most common malignancy in women worldwide, with approximately two-thirds having hormone receptor (HR)-positive tumors. New endocrine therapy (ET) strategies include combining ET agents as well as adding inhibitors targeting growth factors, angiogenesis, the mechanistic target of rapamycin, phosphoinositide 3-kinase (PI3K), or cyclin-dependent kinase 4/6 to ET. Level 1 evidence supports use of fulvestrant plus anastrozole or palbociclib plus letrozole as first-line therapy for HR-positive, HER2-negative advanced BC with special consideration for the former in ET-naïve patients, as well as everolimus plus exemestane or palbociclib plus fulvestrant as second-line therapy with special consideration in select first-line patients...
November 18, 2016: Oncologist
https://www.readbyqxmd.com/read/27863391/nordihydroguaiaretic-acid-impairs-prostate-cancer-cell-migration-and-tumor-metastasis-by-suppressing-neuropilin-1
#20
Xin Li, Shengjun Fan, Xueyang Pan, Yilixiati Xiaokaiti, Jianhui Duan, Yundi Shi, Yan Pan, Lu Tie, Xin Wang, Yuhua Li, Xuejun Li
Tumor metastasis is a major cause leading to the deaths of cancer patients. Nordihydroguaiaretic acid (NDGA) is a natural product that has been demonstrated to show therapeutic values in multiple diseases. In this study, we report that NDGA can inhibit cell migration and tumor metastasis via a novel mechanism. NDGA suppresses NRP1 function by downregulating its expression, which leads to attenuated cell motility, cell adhesion to ECM and FAK signaling in cancer cells. Moreover, due to its cross-cell type activity on NRP1 suppression, NDGA also impairs angiogenesis function of endothelial cells and fibronectin assembly by fibroblasts, both of which are critical to promote metastasis...
November 15, 2016: Oncotarget
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