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https://www.readbyqxmd.com/read/28454342/feasibility-and-antitumor-efficacy-in-vivo-of-simultaneously-targeting-glycolysis-glutaminolysis-and-fatty-acid-synthesis-using-lonidamine-6-diazo-5-oxo-l-norleucine-and-orlistat-in-colon-cancer
#1
Diana Cervantes-Madrid, Guadalupe Dominguez-Gomez, Aurora Gonzalez-Fierro, Enrique Perez-Cardenas, Lucia Taja-Chayeb, Catalina Trejo-Becerril, Alfonso Duenas-Gonzalez
The aim of the present study was to investigate in vivo the feasibility and efficacy of the combination of lonidamine (LND), 6-diazo-5-oxo-L-norleucine (DON) and orlistat to simultaneously target glycolysis, glutaminolysis and de novo synthesis of fatty acids, respectively. The doses of LND and DON used in humans were translated to mouse doses (77.7 mg/kg and 145.5 mg/kg, respectively) and orlistat was used at 240 mg/kg. Three schedules of LND, DON and orlistat at different doses were administered by intraperitoneal injection to BALB/c mice in a 21-day cycle (schedule 1: LND, 0...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454094/proteolytic-cleavages-in-the-extracellular-domain-of-receptor-tyrosine-kinases-by-membrane-associated-serine-proteases
#2
Li-Mei Chen, Karl X Chai
The epithelial extracellular membrane-associated serine proteases matriptase, hepsin, and prostasin are proteolytic modifying enzymes of the extracellular domain (ECD) of the epidermal growth factor receptor (EGFR). Matriptase also cleaves the ECD of the vascular endothelial growth factor receptor 2 (VEGFR2) and the angiopoietin receptor Tie2. In this study we tested the hypothesis that these serine proteases may cleave the ECD of additional receptor tyrosine kinases (RTKs). We co-expressed the proteases in an epithelial cell line with Her2, Her3, Her4, insulin receptor (INSR), insulin-like growth factor I receptor (IGF-1R), the platelet-derived growth factor receptors (PDGFRs) α and β, or nerve growth factor receptor A (TrkA)...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28447055/associating-liver-partition-and-portal-vein-ligation-for-bleeding-hepatocellular-carcinoma-in-hbv-cirrhosis-a-safety-strategy
#3
Giovanni Battista Levi Sandri, Giovanni Vennarecci, Pasquale Lepiane, Giuseppe Maria Ettorre
The incidence of hepatocellular carcinoma (HCC) spontaneous tumor rupture varies between 3% and 26%. For resectable HCC ruptures, emergency hepatectomy or staged hepatectomy after transcatheter arterial embolization (TAE) are life-saving procedures, and efficient therapeutic methods. We report a multimodal therapy including TAE, associating liver partition and portal vein ligation (ALPPS) and immunoglobuline infusion for a huge bleeding HCC with portal vein tumor thrombosis (PVTT) in hepatitis B virus (HBV) cirrhosis...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28445872/successful-management-of-decitabine-prior-to-full-dose-idarubicin-and-cytarabine-in-the-treatment-of-refractory-recurrent-acute-myeloid-leukemia
#4
Hongyu Zhao, Li Xu, Yongjian Yang, Jianhua Shao, Ping Chen, Xuebin Dong, Linping Gu, Daqi Li
AIMS: To investigate the safety and efficacy of the triple therapy of decitabine, idarubicin, and cytarabine in the treatment of refractory or recurrent acute myeloid leukemia (R/R AML). METHODS: We conducted a single-center retrospective study in which decitabine treatment was administered prior to full-dose idarubicin and cytarabine (D-IA) for 21 R/R AML patients. RESULTS: After 1 cycle of D-IA, 10/21 (47.6%) patients experienced a complete remission (CR) and 2/21 (9...
April 27, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28445140/triple-negative-breast-cancer-the-kiss-of-death
#5
REVIEW
Adriana-Andreea Jitariu, Anca Maria Cîmpean, Domenico Ribatti, Marius Raica
One of the most controversial women malignancies, triple negative breast cancers (TNBCs) are critically overviewed here, being focused on data useful in clinical practice or to improve the therapy and patients survival. TNBCs "choose" young women and its "kiss" is, unfortunately deadly in most cases. Currently, few sparse data are available in literature concerning the origins of TNBC. Vasculogenic mimicry detected in TNBCs, seems to be determined by a population of CD133+ cells and may be stimulated by different pharmacological agents such sunitinib...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28442901/characteristics-of-copd-patients-initiating-treatment-with-aclidinium-or-tiotropium-in-primary-care-in-catalonia-a-population-based-study
#6
Mònica Monteagudo, Montse Roset, Teresa Rodriguez-Blanco, Laura Muñoz, Marc Miravitlles
OBJECTIVE: To describe and compare demographic and clinical profile of patients newly initiated on aclidinium (ACL) or tiotropium (TIO) and identify factors associated with newly initiated ACL in real-life clinical practice during 2013 in Catalonia. DESIGN: We performed a population-based, retrospective, observational study with data obtained from the Information System for Research Development in Primary Care, a population database that contains information of 5...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28442756/crystal-structure-based-discovery-of-a-novel-synthesized-parp1-inhibitor-ol-1-with-apoptosis-inducing-mechanisms-in-triple-negative-breast-cancer
#7
Leilei Fu, Shuya Wang, Xuan Wang, Peiqi Wang, Yaxin Zheng, Dahong Yao, Mingrui Guo, Lan Zhang, Liang Ouyang
Poly (ADP-ribose) polymerase-1 (PARP1) is a highly conserved enzyme focused on the self-repair of cellular DNA damage. Until now, numbers of PARP inhibitors have been reported and used for breast cancer therapy in recent years, especially in TNBC. However, developing a new type PARP inhibitor with distinctive skeleton is alternatively promising strategy for TNBC therapy. In this study, based on co-crystallization studies and pharmacophore-docking-based virtual screening, we discovered a series of dihydrodibenzo[b,e]-oxepin compounds as PARP1 inhibitors...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28440876/triple-modality-treatment-in-patients-with-advanced-stage-tonsil-cancer
#8
Dylan F Roden, David Schreiber, Babak Givi
BACKGROUND: Concurrent chemoradiation (CCRT) and upfront surgery followed by adjuvant therapy both are recommended treatment options for patients with advanced stage squamous cell carcinoma (SCC) of the tonsil. To the authors' knowledge, the question of whether surgical-based treatments can achieve better survival compared with CCRT has never been compared in a clinical trial. The authors analyzed the National Cancer Data Base to measure the impact of different treatment modalities on overall survival (OS)...
April 25, 2017: Cancer
https://www.readbyqxmd.com/read/28437471/mir-217-inhibits-triple-negative-breast-cancer-cell-growth-migration-and-invasion-through-targeting-klf5
#9
Wenhui Zhou, Fangfang Song, Qiuju Wu, Rong Liu, Lulu Wang, Cuicui Liu, You Peng, Shuqin Mao, Jing Feng, Ceshi Chen
Triple negative breast cancer (TNBC) is one of the most aggressive breast cancers without effective targeted therapies. Numerous studies have implied that KLF5 plays an important roles in TNBC. How is KLF5 regulated by microRNAs has not been well studied. Here, we demonstrated that miR-217 down-regulates the expression of KLF5 and KLF5's downstream target gene FGF-BP and Cyclin D1 in TNBC cell lines HCC1806 and HCC1937. Consequently, miR-217 suppresses TNBC cell growth, migration, and invasion. MiR-217 suppresses TNBC, at least partially, through down-regulating the KLF5 expression...
2017: PloS One
https://www.readbyqxmd.com/read/28436684/serenoa-repens-for-lower-urinary-tract-symptoms-benign-prostatic-hyperplasia-current-evidence-and-its-clinical-implications-in-naturopathic-medicine
#10
Soo Liang Ooi, Sok Cheon Pak
OBJECTIVES: Benign prostatic hyperplasia (BPH) commonly affects men above 40 years old. The progression of BPH is often accompanied with lower urinary tract symptoms (LUTS) that can significantly affect the quality of life of the patients. Serenoa repens (saw palmetto) is a popular herbal remedy indicated for LUTS/BPH. We reviewed the current research on the efficacy of S. repens on LUTS/BPH as a monotherapy as well as combination therapies. DESIGN: Non-systematic searches were performed in PubMed for human studies and systematic reviews on the topic...
April 24, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28435291/role-of-postmastectomy-radiotherapy-in-early-stage-t1-2n0-1m0-triple-negative-breast-cancer-a-systematic-review
#11
REVIEW
Fengxia Chen, Feifei Pu
Triple-negative breast cancer (TNBC), which represents 15%-20% of all breast cancers, is defined by the absence of estrogen receptor (ER) and progesterone receptor (PR) and overexpression of human epidermal growth factor receptor 2 (HER2). Owing to the absence of specific therapeutic targets and its aggressive biologic characteristics, TNBC patients often experience a high risk of disease progression and poor overall survival. Furthermore, TNBC exhibits an early pattern of recurrence with a peak recurrence risk at 2-3 years after surgery...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28433958/feasibility-and-safety-of-vitamin-k-antagonist-monotherapy-in-atrial-fibrillation-patients-undergoing-transcatheter-aortic-valve-implantation
#12
Nicolas A Geis, Christina Kiriakou, Emmanuel Chorianopoulos, Sven T Pleger, Hugo A Katus, Raffi Bekeredjian
AIMS: We aimed to assess the efficacy and safety of vitamin K antagonist (VKA) monotherapy in atrial fibrillation (AF) patients undergoing transcatheter aortic valve implantation (TAVI). METHODS AND RESULTS: In 735 TAVIs since 2008 we identified 167 patients suffering from concomitant AF who received either VKA monotherapy (n=77), VKA plus single antiplatelet therapy (SAPT, n=41) or a triple anticoagulation regimen (n=49). Thromboembolic as well as bleeding complications were analysed for six months after TAVI...
April 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28430960/triple-site-pacing-for-cardiac-resynchronization-in-permanent-atrial-fibrillation-follow-up-results-from-a-prospective-observational-study
#13
Pedro Marques, Miguel Nobre Menezes, Gustavo Lima da Silva, Tatiana Guimarães, Ana Bernardes, Nuno Cortez-Dias, Luis Carpinteiro, João de Sousa, Fausto J Pinto
Aims: Cardiac Resynchronization Therapy (CRT) is associated with a particularly high non-response rate in patients with atrial fibrillation (AF). We aimed to assess the effectiveness of triple-site (Tri-V) pacing CRT in this population. Methods and results: Prospective observational study of patients with permanent AF who underwent CRT implantation with an additional right ventricle lead in the outflow tract septal wall. After implantation, programming mode (Tri-V or biventricular pacing) was selected based on cardiac output determination...
April 19, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28427809/picrasidine-g-decreases-viability-of-mda-mb-468-egfr-overexpressing-triple-negative-breast-cancer-cells-through-inhibition-of-egfr-stat3-signaling-pathway
#14
Naoya Yamashita, Manami Kondo, Shuai Zhao, Wei Li, Kazuo Koike, Kiyomitsu Nemoto, Yuichiro Kanno
Targeted therapy is unavailable for treating patients with triple-negative breast cancer (TNBC), which accounts for approximately 15% of all breast cancers. Overexpression of epidermal growth factor receptor (EGFR) is observed in approximately 30-60% of TNBCs. Therefore, developing novel strategies for inhibiting EGFR signaling is required. In the present study, a natural compound library was screened to identify molecules that target TNBCs that overexpress EGFR. Picrasidine G (PG), a naturally occurring dimeric alkaloid produced by Picrasma quassioides, decreased the viability of the MDA-MB 468 cell line (TNBC(EGFR+)) compared with other breast cancer cell lines...
March 23, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28427781/smoking-increases-the-likelihood-of-helicobacter-pylori-treatment-failure
#15
David Itskoviz, Doron Boltin, Haim Leibovitzh, Tsachi Tsadok Perets, Doron Comaneshter, Arnon Cohen, Yaron Niv, Zohar Levi
BACKGROUND AND AIMS: Data regarding the impact of smoking on the success of Helicobacter pylori (H. pylori) eradication are conflicting, partially due to the fact that sociodemographic status is associated with both smoking and H. pylori treatment success. We aimed to assess the effect of smoking on H. pylori eradication rates after controlling for sociodemographic confounders. METHODS: Included were subjects aged 15 years or older, with a first time positive C(13)-urea breath test (C(13)-UBT) between 2007 to 2014, who underwent a second C(13)-UBT after receiving clarithromycin-based triple therapy...
March 27, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28427429/vitamin-d-receptor-retinoid-x-receptor-and-peroxisome-proliferator-activated-receptor-%C3%AE-are-overexpressed-in-brca1-mutated-breast-cancer-and-predict-prognosis
#16
Sabine Heublein, Doris Mayr, Alfons Meindl, Alexandra Kircher, Udo Jeschke, Nina Ditsch
BACKGROUND: BRCA1 mutated breast cancers are commonly diagnosed as negative for classical hormone receptors i.e. estrogen receptor, progesterone receptor and/or Her2. Due to these common targets being absent the application of anti-endocrine therapies is rather limited and a certain focus has been set on discovering alternative target molecules. We recently highlighted thyroid hormone receptors (TRs) to predict prognosis in breast cancer patients that had been diagnosed a BRCA1 germline mutation...
April 20, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28425453/aptamer-mediated-impairment-of-egfr-integrin-%C3%AE-v%C3%AE-3-complex-inhibits-vasculogenic-mimicry-and-growth-of-triple-negative-breast-cancers
#17
Simona Camorani, Elvira Crescenzi, Matteo Gramanzini, Monica Fedele, Antonella Zannetti, Laura Cerchia
Current treatment options for triple-negative breast cancers (TNBCs) is limited by the absence of well-defined biomarkers, excluding a targeted therapy. Notably, epidermal growth factor receptor (EGFR) is overexpressed in a great proportion of TNBCs and is a negative prognostic factor. In clinical trials, however, existing EGFR inhibitors showed disappointing outcome. Oligonucleotide aptamers are a valid alternative to antibodies for diagnostic and therapeutic uses. Here, we prove that, when applied to aggressive TNBC cell lines with unique stem-like plasticity, the anti-EGFR CL4 aptamer, but not erlotinib or cetuximab, prevents the vasculogenic mimicry (VM) capability of the cells and destroys previously formed channels in three-dimensional culture...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28425406/curing-chronic-hepatitis-c-a-cost-comparison-of-the-combination-simeprevir-plus-sofosbuvir-vs-protease-inhibitor-based-triple-therapy
#18
Jacob A Langness, David Tabano, Amanda Wieland, Sarah Tise, Lindsay Pratt, Lauren Ayres Harrington, Sonia Lin, Vahram Ghuschcyan, Kavita V Nair, Gregory T Everson
INTRODUCTION: Interferon-free, multi-direct acting antiviral (DAA) therapy for chronic hepatitis C virus (HCV) infection is highly effective and well tolerated, but costly. To gain perspective on the evolving economics of HCV therapy, we compared the cost per cure of a multi-DAA regimen with the prior standard of triple therapy. MATERIAL AND METHODS: Patients infected with HCV genotype 1 who were treated through the University of Colorado Hepatology Clinic between May 2011 and December 2014 comprised the study population...
May 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28425141/efficacy-of-helicobacter-pylori-eradication-therapies-in-korea-a-systematic-review-and-network-meta-analysis
#19
REVIEW
Yoon Suk Jung, Chan Hyuk Park, Jung Ho Park, Eunwoo Nam, Hang Lak Lee
BACKGROUND: The efficacy of Helicobacter pylori eradication regimens may depend on the country where the studies were performed because of the difference in antibiotic resistance. We aimed to analyze the efficacy of H. pylori eradication regimens in Korea where clarithromycin resistance rate is high. METHODS: We searched for all relevant randomized controlled trials published until November 2016 that investigated the efficacy of H. pylori eradication therapies in Korea...
April 19, 2017: Helicobacter
https://www.readbyqxmd.com/read/28424227/onc201-demonstrates-anti-tumor-effects-in-both-triple-negative-and-non-triple-negative-breast-cancers-through-trail-dependent-and-trail-independent-mechanisms
#20
Marie D Ralff, Christina L B Kline, Ozan C Küçükkase, Jessica Wagner, Bora Lim, David T Dicker, Varun V Prabhu, Wolfgang Oster, Wafik S El-Deiry
Breast cancer is a major cause of cancer-related death. TRAIL has been of interest as a cancer therapeutic, but only a subset of triple negative breast cancers (TNBC) is sensitive to TRAIL. The small molecule ONC201 induces expression of TRAIL and its receptor DR5. ONC201 has entered clinical trials in advanced cancers. Here we show that ONC201 is efficacious against both TNBC and non-TNBC cells (n=13)--. A subset of TNBC and non-TNBC cells succumb to ONC201-induced cell death. In 2/8 TNBC cell lines, ONC201 treatment induces caspase-8 cleavage and cell death that is blocked by TRAIL-neutralizing antibody RIK2...
April 19, 2017: Molecular Cancer Therapeutics
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