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https://www.readbyqxmd.com/read/28448568/inhibitory-effects-of-fenretinide-metabolites-n-4-methoxyphenyl-retinamide-mpr-and-4-oxo-n-4-hydroxyphenyl-retinamide-3-keto-hpr-on-fenretinide-molecular-targets-%C3%AE-carotene-oxygenase-1-stearoyl-coa-desaturase-1-and-dihydroceramide-%C3%AE-4-desaturase-1
#1
Eugenia Poliakov, William Samuel, Todd Duncan, Danielle B Gutierrez, Nathan L Mata, T Michael Redmond
The therapeutic capacity of fenretinide (N-[4-hydroxyphenyl] retinamide; 4-HPR) has been demonstrated for several conditions, including cancer, obesity, diabetes, and ocular disease. Yet, the mechanisms of action for its pleiotropic effects are still undefined. We hypothesized that investigation of two of the major physiological metabolites of fenretinide, N-[4-methoxyphenyl]retinamide (MPR) and 4-oxo-N-(4-hydroxyphenyl)retinamide (3-keto-HPR), might begin to resolve the multifaceted effects of this synthetic retinoid...
2017: PloS One
https://www.readbyqxmd.com/read/28432357/in-silico-drug-discovery-approach-targeting-receptor-tyrosine-kinase-like-orphan-receptor-1-for-cancer-treatment
#2
Onkar Nath, Archana Singh, Indrakant K Singh
Receptor tyrosine kinases (RTK) are important cell signaling molecules that influence many cellular processes. Receptor tyrosine kinase such as orphan receptor 1 (Ror1), a surface antigen, is a member of the RTK family of Ror, which plays a crucial role in cancers that have high-grade histology. As Ror1 has been implicated to be a potential target for cancer therapy, we selected this protein for further investigation. The secondary and tertiary structure of this protein was determined, which revealed that this protein contained three β-sheets, seven α-helices, and coils...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427184/kpnb1-mediated-nuclear-import-is-required-for-motility-and-inflammatory-transcription-factor-activity-in-cervical-cancer-cells
#3
Tamara Stelma, Virna D Leaner
Karyopherin β1 is a nuclear import protein involved in the transport of proteins containing a nuclear localisation sequence. Elevated Karyopherin β1 expression has been reported in cancer and transformed cells and is essential for cancer cell proliferation and survival. Transcription factors such as NFĸB and AP-1 contain a nuclear localisation sequence and initiate the expression of multiple factors associated with inflammation and cancer cell biology. Our study investigated the effect of inhibiting nuclear import via Karyopherin β1 on cancer cell motility and inflammatory signaling using siRNA and the novel small molecule, Inhibitor of Nuclear Import-43, INI-43...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420235/garcinol-from-garcinia-indica-downregulates-cancer-stem-like-cell-biomarker-aldh1a1-in-nonsmall-cell-lung-cancer-a549-cells-through-ddit3-activation
#4
Jinhan Wang, Liwen Wang, Chi-Tang Ho, Kunsheng Zhang, Qiang Liu, Hui Zhao
Nonsmall cell lung cancer (NSCLC) is the predominant type of lung cancer. Patients with NSCLC show high mortality rates because of failure to clean up cancer stem cells (CSCs). The anticancer activity of phytochemical garcinol has been identified in various cancer cell models. However, the effect of garcinol on NSCLC cell lines is still lacking. Of the NSCLC cell lines we tested, A549 cells were the most sensitive to garcinol. Interestingly, Aldehyde Dehydrogenase 1 Family Member A1 (ALDH1A1) was preferentially expressed in A549 cells and downregulated by the addition of garcinol...
April 27, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28415739/high-tgf-%C3%AE-1-expression-predicts-poor-disease-prognosis-in-hepatocellular-carcinoma-patients
#5
Li Peng, Xiao-Qing Yuan, Chao-Yang Zhang, Fei Ye, Hui-Fang Zhou, Wen-Ling Li, Zhao-Yang Liu, Ya-Qin Zhang, Xi Pan, Guan-Cheng Li
Transforming growth factor beta (TGF-β) promotes the pathogenesis of hepatocellular carcinoma (HCC). We evaluated the associations between TGF-β1 expression and clinicopathological parameters in HCC patients from The Cancer Genome Atlas (TCGA), as well as the prognostic power of TGF-β1 expression. Eligible studies were retrieved from several databases, and effects (hazard ratios (HRs) with 95% confidence intervals (CIs)) for overall survival (OS), disease-free survival (DFS), recurrence-free survival (RFS), metastasis-free survival (MFS), and progression-free survival (PFS) were pooled to assess the prognostic ability of TGF-β1 expression in HCC patients...
March 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410798/protective-role-of-coq10-or-l-carnitine-on-the-integrity-of-the-myocardium-in-doxorubicin-induced-toxicity
#6
Hesham N Mustafa, Gehan A Hegazy, Sally A El Awdan, Marawan AbdelBaset
Doxorubicin (DOX) is a chemotherapeutic agent used for treatment of different cancers and its clinical usage is hindered by the oxidative injury-related cardiotoxicity. This work aims to declare if the harmful effects of DOX on heart can be alleviated with the use of Coenzyme Q10 (CoQ10) or L-carnitine. The study was performed on seventy two female Wistar albino rats divided into six groups, 12 animals each: Control group; DOX group (10mg/kg); CoQ10 group (200mg/kg); L-carnitine group (100mg/kg); DOX+CoQ10 group; DOX+L-carnitine group...
April 2, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28408529/targeted-alpha-therapy-of-mcrpc-with-225-actinium-psma-617-dosimetry-estimate-and-empirical-dose-finding
#7
Clemens Kratochwil, Frank Bruchertseifer, Hendrik Rathke, Marcus Bronzel, Christos Apostolidis, Wilko Weichert, Uwe Haberkorn, Frederick Lars Giesel, Alfred Morgenstern
To develop a treatment protocol for (225)Ac-PSMA-617 alpha-radiation therapy in advanced stage, metastatic castration-resistant prostate cancer patients with PSMA-positive tumor phenotype. Methods: A dosimetry estimate was calculated based on time-activity-curves derived from serially performed (177)Lu-PSMA-617 scans extrapolated to the physical half-life of (225)Ac, assuming instant decay of instable daughter nuclides. Salvage therapies empirically conducted with 50kBq/kg (n = 4), 100kBq/kg (n = 4), 150kBq/kg (n = 2), 200kBq/kg (n = 4) (225)Ac-PSMA-617 were evaluated retrospectively regarding toxicity and treatment response...
April 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28405929/thermodynamics-in-cancers-opposing-interactions-between-ppar-gamma-and-the-canonical-wnt-beta-catenin-pathway
#8
REVIEW
Yves Lecarpentier, Victor Claes, Alexandre Vallée, Jean-Louis Hébert
Cancer cells are the site of numerous metabolic and thermodynamic abnormalities. We focus this review on the interactions between the canonical WNT/beta-catenin pathway and peroxisome proliferator-activated receptor gamma (PPAR gamma) in cancers and their implications from an energetic and metabolic point of view. In numerous tissues, PPAR gamma activation induces inhibition of beta-catenin pathway, while the activation of the canonical WNT/beta-catenin pathway inactivates PPAR gamma. In most cancers but not all, PPAR gamma is downregulated while the WNT/beta-catenin pathway is upregulated...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28405157/decitabine-reverses-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-in-non-small-cell-lung-cancer-by-regulating-mir-200-zeb-axis
#9
Nan Zhang, Yanyang Liu, Yuyi Wang, Maoyuan Zhao, Li Tu, Feng Luo
OBJECTIVE: Epithelial-mesenchymal transition (EMT) is a crucial driver of tumor progression. Tumor growth factor-beta 1 (TGF-β1) is an important factor in EMT induction in tumorigenesis. The targeting of EMT may, therefore, represent a promising approach in anticancer treatment. METHODS: In this study, we determined the effect of decitabine, a DNA methyltransferase inhibitor, on TGF-β1-induced EMT in non-small-cell lung cancer (NSCLC) PC9 and A549 cells. We also assessed the involvement of the miR-200/ZEB axis...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28404898/nusap1-promotes-invasion-and-metastasis-of-prostate-cancer
#10
Catherine A Gordon, Xue Gong, Durga Ganesh, James D Brooks
We have previously identified nucleolar and spindle associated protein 1 (NUSAP1) as a prognostic biomarker in early stage prostate cancer. To better understand the role of NUSAP1 in prostate cancer progression, we tested the effects of increased and decreased NUSAP1 expression in cell lines, in vivo models, and patient samples. NUSAP1 promotes invasion, migration, and metastasis, possibly by modulating family with sequence similarity 101 member B (FAM101B), a transforming growth factor beta 1 (TGFβ1) signaling effector involved in the epithelial to mesenchymal transition...
February 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28395406/-expression-and-differential-diagnostic-value-of-serum-microrna-for-invasive-pulmonary-aspergillosis
#11
Z N Wen, Z G Ling, Y Huang, X Li
Objective: To explore the expression and the clinical diagnostic value of serum miR-21 for invasive pulmonary aspergillosis (IPA). Methods: Outpatients and inpatients from the Fourth Affiliated Hospital of Guangxi Medical University were included in the study during June 2014 to September 2015. The IPA group had 40 patients, male 22, female 18, aged 55-68 years (mean 60 ), while the control groups included 50 patients with pulmonary tuberculosis [male 23, female 27, aged 50-62 years (mean 55 )], 50 patients with lung cancer [male 30, female 20, aged 55-70 years (mean 62)], and 50 healthy controls [male 25, female 25, aged 50-67 years (mean 60) ]...
April 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28390866/activation-of-transforming-growth-factor-beta-1-signaling-in-gastric-cancer-associated-fibroblasts-increases-their-motility-via-expression-of-rhomboid-5-homolog-2-and-ability-to-induce-invasiveness-of-gastric-cancer-cells
#12
Takatsugu Ishimoto, Keisuke Miyake, Tannistha Nandi, Masakazu Yashiro, Nobuyuki Onishi, Kie Kyon Huang, Suling Joyce Lin, Ramnarayanan Kalpana, Su Ting Tay, Yuka Suzuki, Byoung Chul Cho, Daisuke Kuroda, Kota Arima, Daisuke Izumi, Masaaki Iwatsuki, Yoshifumi Baba, Eiji Oki, Masayuki Watanabe, Hideyuki Saya, Kosei Hirakawa, Hideo Baba, Patrick Tan
BACKGROUND & AIMS: Fibroblasts that interact with cancer cells are called cancer-associated fibroblasts (CAFs)-they promote progression of different tumor types. We investigated the characteristics and functions of CAFs in diffuse-type gastric cancers (DGCs) by analyzing features of their genome and gene expression patterns. METHODS: We isolated CAFs and adjacent non-cancer fibroblasts (NFs) from 110 GC tissues from patients who underwent gastrectomy in Japan from 2008 through 2016...
April 5, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28388558/expression-of-estrogen-receptors-and-androgen-receptor-and-their-clinical-significance-in-gastric-cancer
#13
Wenbo Tang, Rujiao Liu, Yan Yan, Xiaoli Pan, Minjun Wang, Xiaotian Han, Hui Ren, Zhe Zhang
Despite the mounting studies exploring the role of estrogen receptor alpha (ERα), estrogen receptor beta (ERβ) and androgen receptor (AR) in gastric cancer (GC), there remain controversies in those findings. The present study investigated the expression of ERα, ERβ and AR in Chinese gastric cancer by immunohistochemistry, analyzed their clinical relevance in gastric cancer, and examined the potential mechanisms by which ERα and AR modulated GC progression. The positive rate of ERα, ERβ and AR in GC tissues was 6% (9/150), 93...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28386383/genome-wide-hepatic-dna-methylation-changes-in-high-fat-diet-induced-obese-mice
#14
AhRam Yoon, Stephanie A Tammen, Soyoung Park, Sung Nim Han, Sang-Woon Choi
BACKGROUND/OBJECTIVES: A high-fat diet (HFD) induces obesity, which is a major risk factor for cardiovascular disease and cancer, while a calorie-restricted diet can extend life span by reducing the risk of these diseases. It is known that health effects of diet are partially conveyed through epigenetic mechanism including DNA methylation. In this study, we investigated the genome-wide hepatic DNA methylation to identify the epigenetic effects of HFD-induced obesity. MATERIALS AND METHODS: Seven-week-old male C57BL/6 mice were fed control diet (CD), calorie-restricted control diet (CRCD), or HFD for 16 weeks (after one week of acclimation to the control diet)...
April 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28386381/anti-inflammatory-effect-of-lycopene-in-sw480-human-colorectal-cancer-cells
#15
Jae Hoon Cha, Woo Kyoung Kim, Ae Wha Ha, Myung Hwan Kim, Moon Jeong Chang
BACKGROUND/OBJECTIVES: Although the antioxidative effects of lycopene are generally known, the molecular mechanisms underlying the anti-inflammatory properties of lycopene are not fully elucidated. This study aimed to examine the role and mechanism of lycopene as an inhibitor of inflammation. METHODS/MATERIALS: Lipopolysaccharide (LPS)-stimulated SW 480 human colorectal cancer cells were treated with 0, 10, 20, and 30 µM lycopene. The MTT assay was performed to determine the effects of lycopene on cell proliferation...
April 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28381171/identification-and-validation-of-a-novel-autophagy-gene-expression-signature-for-human-bladder-cancer-patients
#16
Sanaa Eissa, Marwa Matboli, Nahla Awad, Yousif Kotb
We sought to identify and validate a novel urinary autophagy transcript signature in patients with bladder cancer and evaluate its clinical utility. We performed an initial screening for seven autophagy transcript-based panel (autophagy-related protein 12 (ATG12); WD repeat domain, phosphoinositide interacting 2 (WIPI2); FYVE and coiled-coil domain-containing protein 1 (FYCO1); microtubule-associated protein light chain (MAPLC3); RB1-inducible coiled-coil 1 (RB1CC1); tachylectin-II-like beta-propeller domain 1 (TECPR1); and Unc-51-like kinase (ULK1)) that was identified based on bioinformatics analysis followed by SYBR Green-based polymerase chain reaction array validation in paired tissue and urine samples...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28377417/cervical-infection-with-cutaneous-beta-and-mucosal-alpha-papillomaviruses
#17
Laura Sichero, Mariam El-Zein, Emily M Nunes, Silvaneide Ferreira, Eduardo L Franco, Luisa L Villa
BACKGROUND: Alpha-human papillomavirus (α-HPV) play a causal role in cervical cancer but little is known about the epidemiology of genital Beta-HPV infection. METHODS: We used Luminex and polymerase chain reaction (PCR) hybridization to detect β- and α-HPVs prevalence at enrolment and 12-months follow-up in cervical samples from 505 women enrolled in the Ludwig-McGill cohort study. We compared epidemiological correlates of both β- and α-HPVs and compared genotypes between these genera with respect to co-occurrence and association with cervical cytological abnormalities...
April 4, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28377310/risk-factors-for-extended-spectrum-beta-lactamase-producing-escherichia-coli-urinary-tract-infection-in-the-community-in-denmark-a-case-control-study
#18
Mette Søgaard, Uffe Heide-Jørgensen, Jan P Vandenbroucke, Henrik C Schønheyder, Christina Mje Vandenbroucke-Grauls
OBJECTIVE: To verify the role of proton pump inhibitors (PPI) and nitrofurantoin, which have appeared as novel risk factors for carriage of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli, as risk factors for ESBL E.coli urinary tract infection (UTI). We included known risk factors to ascertain whether our findings are comparable with previous studies. METHODS: Population-based case-control study including 339 cases with community-onset ESBL E...
April 1, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28376764/prognostic-value-of-transforming-growth-factor-beta-in-patients-with-colorectal-cancer-who-undergo-surgery-a-meta-analysis
#19
Xin-Lin Chen, Zhuo-Qun Chen, Shui-Lian Zhu, Tian-Wen Liu, Yi Wen, Yi-Sheng Su, Xu-Jie Xi, Yue Hu, Lei Lian, Feng-Bin Liu
BACKGROUND: Transforming growth factor-beta (TGF-β) is associated with a higher incidence of distant metastasis and decreased survival. Whether TGF-β can be used as a prognostic indicator of colorectal cancer (CRC) remains controversial. METHODS: The Medline, EMBASE and Cochrane databases were searched from their inception to March 2016. The studies that focused on TGF-β as a prognostic factor in patients with CRC were included in this analysis. Overall survival (OS) and disease-free survival (DFS) were analysed separately...
April 4, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28373486/diastereomer-specific-quantification-of-bioactive-hexosylceramides-from-bacteria-and-mammals
#20
Johanna von Gerichten, Kerstin Schlosser, Dominic Lamprecht, Ivan Morace, Matthias Eckhardt, Dagmar Wachten, Richard Jennemann, Hermann-Josef Gröne, Matthias Mack, Roger Sandhoff
Mammals synthesize cell-type specifically the diastereomeric hexosylceramides β-galactosylceramide (β-GalCer) and β-glucosylceramide (β-GlcCer), which are involved in several diseases such as sphingolipidosis, diabetes, chronic kidney diseases, or cancer. In contrast Bacteroides fragilis, a member of the human gut microbiome, and the marine sponge Agelas mauritianus produce α-galactosylceramide (α-GalCer), one of the most potent stimulators for iNKT cells. To dissect the contribution of these individual stereoisomers to pathologies, we established a novel HILIC based LC MS(2) method and separate (R > 1...
April 3, 2017: Journal of Lipid Research
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