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https://www.readbyqxmd.com/read/28231690/downregulation-of-hur-inhibits-the-progression-of-esophageal-cancer-through-interleukin-18
#1
Xiaohui Xu, Cheng Song, Zhihua Chen, Chenxiao Yu, Yi Wang, Yiting Tang, Judong Luo
Purpose: To investigate the effect of HuR downregulation and the potential target genes of HuR on the progression of esophageal squamous cell carcinoma (ESCC). Materials and Methods: In this study, a proteomics assay was used to detect the expression of proteins after HuR downregulation, and a luciferase assay was used to detect the potential presence of a HuR binding site on the 3'-UTR of IL-18. In addition, colony formation assay, MTT, EdU incorporation assay, Western blot, flow cytometry, immunohistochemistry, transwell invasion assay and wound healing assay were used...
February 24, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28231599/upper-limb-functionality-and-quality-of-life-in-women-with-five-year-survival-after-breast-cancer-surgery
#2
Thaís Lunardi Recchia, Amably Cristiny Prim, Clarissa Medeiros da Luz
Objective To evaluate the correlation between upper limb functionality and quality of life in women with five-year survival following breast cancer surgical treatment. The secondary objective was to evaluate the function of the ipsilateral upper limb and the quality of life in relation to the type of surgery and the presence of pain. Methods The Disabilities of Arm, Shoulder and Hand (DASH), and the Functional Assessment of Cancer Therapy - Breast plus Arm Morbidity (FACTB + 4) questionnaires were used to evaluate upper limb function and quality of life respectively...
February 23, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28231584/characteristics-of-sarcoidosis-in-patients-with-previous-malignancy-causality-or-coincidence
#3
Nissim Arish, Rottem Kuint, Eli Sapir, Liran Levy, Avraham Abutbul, Zvi Fridlender, Uri Laxer, Neville Berkman
BACKGROUND: The association between sarcoidosis and malignancy is poorly defined. Sarcoidosis can precede, be diagnosed concurrently with, or follow malignancy. OBJECTIVES: We describe the clinical and radiological features of patients with sarcoidosis following malignancy to determine whether this association is causal or coincidental. METHODS: We performed a search for all patients with confirmed sarcoidosis following malignancy in our institution during 2001-2015...
February 24, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28231582/radiomics-in-head-and-neck-cancer-extracting-valuable-information-from-data-beyond-recognition
#4
Kathrin Scheckenbach, Lena Colter, Martin Wagenmann
In oncology, biomarkers that describe the characteristics of a malignancy on different levels (clinical, histological, molecular) and the patient's outcome and treatment response are increasingly integrated into the clinical routine. Extensive screening tools, "omics," offer incredible opportunities and vast amounts of data. During the last years, the field of "omics" gained a new promising partner, the "radiomics." Based on radiological imaging, multiple features can be extracted and linked to clinical, genomic, and histopathological data from other sources...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231570/analysis-of-a-surgical-treatment-for-persistent-urorectal-fistulas-after-radical-cancer-surgery-a-comparison-of-prostate-cancer-and-rectal-cancer
#5
Yasuyuki Sakai, Yoshinobu Komai, Norio Saito, Masaaki Ito, Minoru Sakuraba
INTRODUCTION: The study aimed to present our experience of surgical treatment for urorectal fistulas (URF) that develop after cancer surgery. MATERIALS AND METHODS: Fourteen patients with URF who were treated at our institution from 2005 through 2015 were retrospectively analyzed. Among these, 7 patients had previous surgical treatment of prostate cancer (PC) and the other 7 had been treated for rectal cancer (RC). The fistula was resected through a perineal incision, and the urinary and fecal defects were separately closed with the hinge flap method followed by interposition of a muscle flap transfer...
February 24, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28231560/the-expanding-role-of-immunotherapy
#6
REVIEW
Juan Martin-Liberal, María Ochoa de Olza, Cinta Hierro, Alena Gros, Jordi Rodon, Josep Tabernero
The use of agents able to modulate the immune system to induce or potentiate its anti-tumour activity is not a new strategy in oncology. However, the development of new agents such as immune checkpoint inhibitors has achieved unprecedented efficacy results in a wide variety of tumours, dramatically changing the landscape of cancer treatment in recent years. Ipilimumab, nivolumab, pembrolizumab or atezolizumab are now standard of care options in several malignancies and new indications are being approved on a regular basis in different tumours...
February 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28231544/ginsenoside-rg3-promotes-cytotoxicity-of-paclitaxel-through-inhibiting-nf-%C3%AE%C2%BAb-signaling-and-regulating-bax-bcl-2-expression-on-triple-negative-breast-cancer
#7
Zuguo Yuan, Hao Jiang, Xinhai Zhu, Xinge Liu, Jinhui Li
Taxane-based chemotherapy regimen is the most effective therapeutic strategy for triple-negative breast cancer (TNBC) which is an aggressive subtype of breast cancer with high rate of recurrence and distant metastasis. Ginsenoside Rg3 is isolated from Panax ginseng with anti-cancer activity against carcinomas. We aim to evaluate the chemosensitizing effects of Ginsenoside Rg3 on TNBC cells and xenograft and explore the underlying mechanism. Human triple-negative breast cancer lines MDA-MB-231, MDA-MB-453 and BT-549 were used...
February 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28231523/synergistic-effects-between-a-copper-based-metal-casiope%C3%A3-na-iii-ia-and-cisplatin
#8
Silvia Graciela Davila-Manzanilla, Yeshenia Figueroa-de-Paz, Carmen Mejia, Lena Ruiz-Azuara
Additive, subadditive or superadditive interactions observed in combination therapy play an important role in several treatments, particularly for cancer. The isobolographic analysis allows to establish the pharmacological interactions that exist between two drugs that are administered together in equieffective doses. In order to identify if the combination of two compounds presents synergistic interaction, the antiproliferative activity of CasIII-ia with analogue compounds or cisplatin in different molar ratios was evaluated...
February 3, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231500/silver-nanoparticle-embedded-graphene-oxide-methotrexate-for-targeted-cancer-treatment
#9
Raj Kumar Thapa, Jae Hee Kim, Jee-Heon Jeong, Beom Soo Shin, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Combination therapies are widely investigated cancer treatment modalities. Carbon based systems such as graphene oxide (GO), plasmonic nanoparticles such as silver nanoparticles (AgNPs), and the folate analog, methotrexate (MTX), have been separately studied for their potential anticancer effects. In this study, we combined these systems to develop AgNPs-embedded GO with conjugated MTX (MTX-GO/AgNPs) and studied their folate receptor-targeted anticancer effects. Results revealed successful formation of AgNPs on GO along with MTX conjugation as suggested by UV/visible, TEM, AFM, FTIR, and XRD analysis...
February 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28231433/discovery-of-a-potent-and-selective-sphingosine-kinase-1-inhibitor-through-the-molecular-combination-of-chemotype-distinct-screening-hits
#10
Mark E Schnute, Matthew D McReynolds, Jeffrey Carroll, Jill E Chrencik, Maureen K Highkin, Kaliapan Iyanar, Gina Jerome, John W Rains, Matthew Saabye, Jeffrey A Scholten, Matthew Yates, Marek M Nagiec
Sphingosine kinase (SphK) is the major source of the lipid mediator and GPCR agonist sphingosine-1-phosphate (S1P). S1P promotes cell growth, survival and migration and is a key regulator of lymphocyte trafficking. Inhibition of S1P signaling has been proposed as a strategy for treatment of inflammatory diseases and cancer. Two different formats of an enzyme based high-throughput screen yielded two attractive chemotypes capable of inhibiting S1P formation in cells. The molecular combination of these screening hits led to compound 22a (PF-543) with two orders of magnitude improved potency...
February 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28231375/predictors-of-adverse-events-after-neck-dissection-an-analysis-of-the-2006-2011-national-surgical-quality-improvement-program-nsqip-database
#11
Umang Jain, Jessica Somerville, Sujata Saha, Jon P Ver Halen, Anuja K Antony, Sandeep Samant, John Y Kim
While neck dissection is an important primary and adjunctive procedure in the treatment of head and neck cancer, there is a paucity of studies evaluating outcomes. A retrospective review of the National Surgical Quality Improvement Program (NSQIP) database was performed to identify factors associated with adverse events (AEs) in patients undergoing neck dissection. A total of 619 patients were identified, using CPT codes specific to neck dissection. Of the 619 patients undergoing neck dissection, 142 (22.9%) experienced an AE within 30 days of the surgical procedure...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28231262/oleanolic-acid-induces-migration-in-mv1lu-and-mda-mb-231-epithelial-cells-involving-egf-receptor-and-map-kinases-activation
#12
Ángel Bernabé-García, David Armero-Barranco, Sergio Liarte, María Ruzafa-Martínez, Antonio Jesús Ramos-Morcillo, Francisco José Nicolás
During wound healing, skin function is restored by the action of several cell types that undergo differentiation, migration, proliferation and/or apoptosis. These dynamics are tightly regulated by the evolution of the extra cellular matrix (ECM) contents along the process. Pharmacologically active flavonoids have shown to exhibit useful physiological properties interesting in pathological states. Among them, oleanolic acid (OA), a pentacyclic triterpene, shows promising properties over wound healing, as increased cell migration in vitro and improved wound resolution in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28231233/association-of-topoisomerase-ii-top2a-and-dual-specificity-phosphatase-6-dusp6-single-nucleotide-polymorphisms-with-radiation-treatment-response-and-prognosis-of-lung-cancer-in-han-chinese
#13
Tian-Lu Wang, Yang-Wu Ren, He-Tong Wang, Hong Yu, Yu-Xia Zhao
BACKGROUND Mutations of DNA topoisomerase II (TOP2A) are associated with chemotherapy resistance, whereas dual-specificity phosphatase 6 (DUSP6) negatively regulates members of the mitogen-activated protein (MAP) kinase superfamily to control cell proliferation. This study assessed TOP2A and DUSP6 single nucleotide polymorphisms (SNPs) in non-small cell lung cancer (NSCLC) patients for association with chemoradiotherapy responses and prognosis. MATERIAL AND METHODS A total of 140 Chinese patients with histologically confirmed NSCLC were enrolled and subjected to genotyping of TOP2A rs471692 and DUSP6 rs2279574 using Taqman PCR...
February 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28231079/vaginal-erbium-laser-as-second-generation-thermotherapy-for-the-genitourinary-syndrome-of-menopause-a-pilot-study-in-breast-cancer-survivors
#14
Marco Gambacciani, Marco Levancini
OBJECTIVE: The aim of this study was to evaluate the efficacy and acceptability of a second generation of vaginal laser treatment, the vaginal erbium laser, as a nonablative photothermal therapy for the management of genitourinary syndrome of menopause in postmenopausal breast cancer survivors. METHODS: The study was performed using an erbium laser crystal yttrium-aluminum-garnet (XS Fotona Smooth, Fotona, Ljubljana, Slovenia) with a wavelength of 2,940 nm. Forty-three postmenopausal breast cancer survivors were treated with three laser applications every 30 days...
March 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28231055/the-role-of-extracellular-vesicle-micrornas-in-cancer-biology
#15
Ryou-U Takahashi, Marta Prieto-Vila, Ai Hironaka, Takahiro Ochiya
MicroRNAs (miRNAs) constitute a large family of small, approximately 20-22 nucleotide non-coding RNAs that regulate the expression of target genes, mainly at the post-transcriptional level. Multiple studies report that miRNAs are involved in homeostatic maintenance and that aberrant expression of miRNAs is often observed in various types of diseases, including cancer. In cancer biology, miRNAs exert functional roles in tumor initiation, drug resistance, and metastasis. MiRNAs are also secreted through small vesicles called exosomes, which are endosome-derived vesicles derived from various cell types including immune and tumor cells...
February 23, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28231049/original-research-paper-hydrazinyldiene-chroman-2-4-diones-in-inducing-growth-arrest-and-apoptosis-in-breast-cancer-cells-synergism-with-doxorubicin-and-correlation-with-physicochemical-properties
#16
Lulzime Ballazhi, Faik Imeri, Ahmed Jashari, Emil Popovski, Goran Stojković, Aleksandar J Dimovski, Bozhana Mikhova, Kristina Mladenovska
This study evaluates the effects of previously synthesized hydrazinyldiene-chroman-2,4-diones on cell proliferation and apoptosis, cell cycle distribution and migration capacity of MCF-7 breast cancer cells in synergy with doxorubicin. Physicochemical properties of the synthesized compounds were correlated with their structure and activity. Significant cell viability decrease in comparison with the effect of doxorubicin alone and the reference 4-hydroxycoumarin was observed when combination treatment comprising doxorubicin and the title compounds was applied...
March 1, 2017: Acta Pharmaceutica
https://www.readbyqxmd.com/read/28231007/molecular-dynamics-recrystallization-behavior-and-water-solubility-of-amorphous-anticancer-agent-bicalutamide-and-its-polyvinylpyrrolidone-mixtures
#17
Justyna Szczurek, Marzena Rams-Baron, Justyna Knapik-Kowalczuk, Agata Antosik, Joanna Szafraniec, Witold Jamroz, Mateusz Dulski, Renata Jachowicz, Marian Paluch
In this paper, we investigated the molecular mobility and physical stability of amorphous bicalutamide, a poorly water-soluble drug widely used in prostate cancer treatment. Our broadband dielectric spectroscopy measurements and differential scanning calorimetry studies revealed that amorphous BIC is a moderately fragile material with strong tendency to recrystallize from amorphous state. However, mixing the drug with polymer polyvinylpyrrolidone results in a substantial improvement of physical stability attributed to antiplasticizing effect governing by polymer additive...
February 23, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28230989/development-of-the-first-generation-of-disulfide-based-subtype-selective-and-potent-covalent-pyruvate-dehydrogenase-kinase-1-pdk1-inhibitors
#18
Yifu Liu, Zuoquan Xie, Dan Zhao, Jin Zhu, Fei Mao, Shuai Tang, Hui Xu, Cheng Luo, Mei-Yu Geng, Min Huang, Jian Li
Pyruvate dehydrogenase kinases (PDKs) are overexpressed in most cancer cells and are responsible for aberrant glucose metabolism. We previously described Bis(4-morpholinyl thiocarbonyl)-disulfide (JX06, 16) as the first covalent inhibitor of PDK1. Here, based on the scaffold of 16, we identify two novel types of disulfide-based PDK1 inhibitors. The most potent analog, 3a, effectively inhibits PDK1 both at the molecular (kinact/Ki = 4.17×103M-1s-1) and the cellular level (down to 0.1 μM). In contrast to 16, 3a is a potent and subtype-selective inhibitor of PDK1 with >40-fold selectivity for PDK2-4...
February 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28230988/design-and-synthesis-of-novel-cyclic-amine-benzimidazoles-for-the-treatment-of-pancreatic-cancer
#19
Vibha Pathak, Corinne Elizabeth Augelli-Szafran, Han-Xun Wei, Yonghe Li, Patsy G Oliver, Wenyan Lu, Donald J Buchsbaum, Mark J Suto
Wnt/beta-Catenin signaling pathway has a very important role in pancreatic ductal adenocarcinoma (PDAC) initiation and progression. This signaling pathway has been implicated in angiogenesis, maintenance of resistant CICs (cancer-initiating cells), metastasis, regulation of cell cycle, apoptosis and chemoresistance. We investigated the activity of a chemical series of phenyl benzimidazoles, small molecule inhibitors of Wnt signaling in LRP6-expressing HEK 293 cells against PDAC cells. Several benzimidazoles were designed, synthesized and screened under adherent and CIC conditions...
February 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28230930/in-silico-design-of-optimal-dissolution-kinetics-of-fe-doped-zno-nanoparticles-results-in-cancer-specific-toxicity-in-a-preclinical-rodent-model
#20
Bella B Manshian, Suman Pokhrel, Uwe Himmelreich, Kaido Tämm, Lauri Sikk, Alberto Fernández, Robert Rallo, Tarmo Tamm, Lutz Mädler, Stefaan J Soenen
Cancer cells have unique but widely varying characteristics that have proven them difficult to be treated by classical therapeutics and calls for novel and selective treatment options. Nanomaterials (NMs) have been shown to display biological effects as a function of their chemical composition, and the extent and exact nature of these effects can vary between different biological environments. Here, ZnO NMs are doped with increasing levels of Fe, which allows to finely tune their dissolution rate resulting in significant differences in their biological behavior on cancer or normal cells...
February 23, 2017: Advanced Healthcare Materials
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