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https://www.readbyqxmd.com/read/29793168/olive-oil-polyphenols-reduce-oxysterols-induced-redox-imbalance-and-pro-inflammatory-response-in-intestinal-cells
#1
Gessica Serra, Alessandra Incani, Gabriele Serreli, Laura Porru, M Paola Melis, Carlo I G Tuberoso, Daniela Rossin, Fiorella Biasi, Monica Deiana
Dietary habits may strongly influence intestinal homeostasis. Oxysterols, the oxidized products of cholesterol present in cholesterol-containing foodstuffs, have been shown to exert pro-oxidant and pro-inflammatory effects, altering intestinal epithelial layer and thus contributing to the pathogenesis of human inflammatory bowel diseases and colon cancer. Extra virgin olive oil polyphenols possess antioxidant and anti-inflammatory properties, and concentrate in the intestinal lumen, where may help in preventing intestinal diseases...
May 16, 2018: Redox Biology
https://www.readbyqxmd.com/read/29793073/bubble-generating-polymersomes-loaded-with-both-indocyanine-green-and-doxorubicin-for-effective-chemotherapy-combined-with-photothermal-therapy
#2
Dunwan Zhu, Fan Fan, Chenlu Huang, Zhiming Zhang, Yu Qin, Li Lu, Hai Wang, Xu Jin, Hanxue Zhao, Hu Yang, Chao Zhang, Jun Yang, Zhipeng Liu, Hongfan Sun, Xigang Leng, Deling Kong, Linhua Zhang
The combination of chemotherapy and photothermaltherapy (PTT) via stimuli-responsive nanovesicles has great potential in tumor treatment. In the present study, bubble-generating polymersomes, which can generate bubbles in response to low pH or hyperthermia, were fabricated to simultaneously encapsulate chemotherapeutic drug and photosensitizing agent for the synergistic chemo-photothermal tumor therapy. Photosensitizer indocyanine green (ICG) was encapsulated into the bilayer of polymersomes formed by amphiphilic triblock copolymer PCL8000 -PEG8000 -PCL8000 through thin film re-hydration method, while chemotherapeutic doxorubicin (DOX) was loaded into the hydrophilic lumen using a transmembrane ammonium bicarbonate gradient loading procedure...
May 21, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29792855/the-versatile-hippo-pathway-in-oral-maxillofacial-development-and-bone-remodeling
#3
REVIEW
Lin Xiang, Hui Yu, Xinyuan Zhang, Bin Wang, Ying Yuan, Qin Zhang, Rui Ye, Ping Gong, Yingying Wu
The Hipposignaling pathway is implicated in key aspects of cell proliferation, control of organ size, stem cell functions and tumor suppression. Its functions are primarily mediated either through direct effects on transcription factors to influence target gene expression or through crosstalk with other signaling pathways that regulate multiple physiological activities. Studies are revealing Hippo pathway involvement in diverse functions including renewal of intestinal epithelium, promotion of myocardial cell proliferation, cancer suppression, etc...
May 21, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29792156/design-synthesis-and-biological-evaluation-of-1h-1-2-3-triazole-linked-1h%C3%A2-dibenzo-b-h-xanthenes-as-inductors-of-ros-mediated-apoptosis-in-the-breast-cancer-cell-line-mcf-7
#4
Carolina S Bortolot, Luana da S M Forezi, Roberta K F Marra, Marcelo I P Reis, Barbara V F E Sa, Ricardo Imbroisi Filho, Zeinab Ghasemishahrestani, Mauro Sola-Penna, Patricia Zancan, Vitor F Ferreira, Fernando de C da Silva
BACKGROUND: Low molecular weight 1,2,3-triazoles and naphthoquinones are endowed with various types of biological activity, such as against cancer, HIV and bacteria. However, in some cases, the conjugation of these two nuclei considerably increases their biological activities Objective: In this work, we decided to study the synthesis and screening of bis-naphthoquinones and xanthenes tethered to 1,2,3-triazoles against cancer cell lines, specifically the human breast cancer cell line MCF-7...
May 23, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29792136/zinc-dependent-histone-deacetylase-inhibitors-in-cancer-therapeutics-recent-update
#5
Panagiotis I Georgianos, Maria Divani, Theodoros Eleftheriadis, Peter R Mertens, Vassilios Liakopoulos
BACKGROUND: Despite optimal management of diabetic kidney disease (DKD) with intensive glycemic control and administration of agents blocking the renin-angiotensin-aldosterone-system, the residual risk for nephropathy progression to end-stage-renal-disease (ESRD) remains high. Sodium-glucose co-transporter type 2 (SGLT-2)-inhibitors represent a newly-introduced anti-diabetic drug class with pleiotropic actions extending above their glucose-lowering efficacy. Herein, we provide an overview of preclinical and clinical-trial evidence supporting a protective effect of SGLT-2 inhibitors on DKD...
May 23, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29792075/cancer-health-communication-and-breast-cervical-cancer-screening-among-asian-americans-and-five-asian-ethnic-groups
#6
Jungmi Jun
OBJECTIVES: This paper is an examination of cancer/health communication factors (i.e. cancer/health information seeking, patient-provider communication (PPC), cancer screening information from providers) and screening for breast and cervical cancer among Asian Americans and five Asian ethnic groups (Chinese, Filipinos, Japanese, Koreans, Vietnamese) in comparison to Whites. Additionally, the relationship between cancer/health communication disparity and cancer screening gaps between Asian Americans and Whites was investigated...
May 23, 2018: Ethnicity & Health
https://www.readbyqxmd.com/read/29792040/lung-cancer-screening-with-mri-characterization-of-nodules-with-different-non-enhanced-mri-sequences
#7
Michael Meier-Schroers, Rami Homsi, Hans Heinz Schild, Daniel Thomas
Background There is increased interest in pulmonary magnetic resonance imaging (MRI) as a radiation-free alternative to computed tomography (CT) for lung cancer screening. Purpose To analyze MRI characteristics of pulmonary nodules with different non-enhanced sequences. Material and Methods Eighty-two participants of a lung cancer screening were included. MRI datasets of 32 individuals with 46 different nodules ≥ 6 mm were prospectively evaluated together with 50 controls by two readers. Acquired sequences were T2- short tau inversion recovery (STIR), T2, balanced steady-state free precession (bSSFP), 3D-T1, and diffusion-weighted imaging (DWI)...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29791870/myc-induced-metabolic-stress-and-tumorigenesis
#8
REVIEW
Adam J Wolpaw, Chi V Dang
The MYC oncogene is commonly altered across human cancers. Distinct from the normal MYC proto-oncogene, which is under tight transcriptional, translational, and post-translational control, deregulated oncogenic MYC drives imbalanced, non-linear amplification of transcription that results in oncogenic 'stress.' The term 'stress' had been a euphemism for our lack of mechanistic understanding, but synthesis of many studies over the past decade provides a more coherent picture of oncogenic MYC driving metastable cellular states, particularly altered metabolism, that activate and depend on cellular stress response pathways to allow for continued growth and survival...
May 20, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29791867/longitudinal-assessment-of-chemotherapy-induced-changes-in-brain-and-cognitive-functioning-a-systematic-review
#9
REVIEW
Mingmei Li, Karen Caeyenberghs
In addition to the burden of a life-threatening diagnosis, cancer patients are struggling with adverse side-effects from cancer treatment. Chemotherapy has been linked to an array of cognitive impairments and alterations in brain structure and function ("chemobrain"). In this review, we summarized the existing evidence that evaluate the changes in cognitive functioning and brain with chemotherapy, as assessed using structural and functional MRI-based techniques in a longitudinal design. This review followed the latest PRISMA guidelines using Embase, Medline, PsychINFO, Scopus, and Web of Science databases with date restrictions from 2012-2017...
May 20, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29791764/synergy-between-peroxisome-proliferator-activated-receptor-%C3%AE-agonist-and-radiotherapy-in-cancer
#10
Guodong Huang, Limei Yin, Jie Lan, Ruizhan Tong, Mengqian Li, Feifei Na, Xianming Mo, Chong Chen, Jianxin Xue, You Lu
ANGIOGENESIS AND INFLAMMATION ARE CRUCIAL PROCESSES, THROUGH WHICH THE: tumor microenvironment (TME) influences tumor progression. In this STUDY, WE REVEALED THAT PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR Γ (PPARΓ) IS: NOT ONLY EXPRESSED IN CT26 AND 4T1 TUMOR CELL LINES BUT ALSO IN CELLS OF TME,: including endothelial cells and tumor-associated macrophages (TAMs). In addition, WE DEMONSTRATED THAT ROSIGLITAZONE MAY INDUCE TUMOR VESSEL NORMALIZATION AND REDUCE: TAM infiltration. Additionally, 4T1 and CT26 tumor-bearing mice treated with ROSIGLITAZONE IN COMBINATION WITH RADIOTHERAPY DISPLAYED A SIGNIFICANT REDUCTION IN: lesion size and lung metastasis...
May 23, 2018: Cancer Science
https://www.readbyqxmd.com/read/29791437/a-randomized-controlled-trial-on-the-effect-of-a-silver-carboxymethylcellulose-dressing-on-surgical-site-infections-after-breast-cancer-surgery
#11
Gerson M Struik, Wietske W Vrijland, Erwin Birnie, Taco M A L Klem
BACKGROUND: The incidence of surgical site infections (SSIs) after breast cancer surgery is relatively high; ranging from 3 to 19%. The role of wound dressings in the prevention of SSI after breast cancer surgery is unclear. This study compares a silver carboxymethylcellulose dressing (AQUACEL Ag Surgical (Aquacel) with standard wound dressing in SSI rate after breast cancer surgery. PATIENTS AND METHODS: A single-centre randomized controlled trial among women ≥18 years, diagnosed with breast cancer, undergoing breast conserving or ablative surgery, was conducted in a combined in and outpatient setting...
2018: PloS One
https://www.readbyqxmd.com/read/29791275/effects-of-web-based-instruction-and-patient-preferences-on-patient-reported-outcomes-and-learning-for-women-with-advanced-ovarian-cancer-a-randomized-controlled-trial
#12
Sue V Petzel, Rachel Isaksson Vogel, Julie Cragg, Molly McClellan, Daniel Chan, Julie A Jacko, François Sainfort, Melissa A Geller
A randomized controlled trial was conducted of a web-based intervention to improve advanced care planning in women with ovarian cancer. A secondary analysis of 35 randomized women focused on changes in distress and knowledge about ovarian cancer through distress monitoring and information tailored to patients' cognitive coping style (monitoring, blunting). Pre-/postresults indicated the Intervention group demonstrated lower distress (p = 0.06); blunting was associated with lower depression (p = 0.04); knowledge in both groups was unchanged...
May 23, 2018: Journal of Psychosocial Oncology
https://www.readbyqxmd.com/read/29791257/the-use-of-direct-oral-anticoagulants-in-the-treatment-of-acute-venous-thromboembolism-in-cancer-patients
#13
Hikmat Abdel-Razeq, Antoine Finianos, Ali T Taher
Introduction - After the CLOT study, LMWHs (low-molecular weight heparins) have gradually replaced warfarin as the treatment of choice for VTE (venous thromboembolism) in cancer patients. Randomized controlled studies comparing DOACs (direct oral anticoagulants) to LMWHs in cancer patients are still limited. However, new emerging data are supporting the use of DOACs in cancer-associated thrombosis. Areas Covered - This review will discuss the recent studies that addressed the utilization of such agents in the treatment of VTE in cancer patients...
May 23, 2018: Expert Review of Hematology
https://www.readbyqxmd.com/read/29791232/the-role-of-interleukin-31-polymorphisms-in-non-small-cell-lung-cancer-genetic-susceptibility-and-clinical-outcome
#14
Yongfeng Yang, Li Li, Fei Chen, Li Zhang, Hong Bu
BACKGROUND: Interleukin-31 (IL-31), a novel T helper type 2 effector cytokine, is known to have an important effect on the pathogenesis of allergic disease and tumors. However, the impact of IL-31 on human lung cancer remains unclear. METHODS: This study explored the role of IL-31 polymorphisms in lung cancer and sought to characterize how IL-31 polymorphisms correlate with lung cancer tumorigenesis and patient survival rates. Using a single-nucleotide polymorphism genotype assay, we examined the expression of two IL-31 polymorphisms (rs7977932 and rs4758680) in samples from 302 lung cancer patients and 493 control cases...
May 2018: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29791145/slow-starter-enzymes-role-of-active-site-architecture-in-the-catalytic-control-in-the-biosynthesis-of-taxadiene-by-taxadiene-synthase
#15
Tamar Ansbacher, Yehoshua Freud, Dan Thomas Major
Taxadiene synthase (TXS) catalyzes the formation of the natural product Taxa-4(5),11(12)-diene (henceforth Taxadiene). Taxadiene is the precursor in the formation of Taxol, which is an important natural anti-cancer agent. In the current study, we present a detailed mechanistic view of the biosynthesis of Taxadiene by TXS, using a hybrid quantum mechanics-molecular mechanics potential in conjunction with free energy simulation methods. The obtained free energy landscape displays initial endergonic steps followed by a step-wise downhill profile, which is an emerging free energy fingerprint for type I terpene synthases...
May 23, 2018: Biochemistry
https://www.readbyqxmd.com/read/29791130/quantification-of-serum-high-mobility-group-box-1-by-liquid-chromatography-high-resolution-mass-spectrometry-implications-for-its-role-in-immunity-inflammation-and-cancer
#16
Liwei Weng, Lili Guo, Anil Vachani, Clementina A Mesaros, Ian Alexander Blair
High mobility group box 1 (HMGB1), is a non-histone chromosomal protein, which can be secreted through a variety of pathways and bind to pattern recognition receptors to release pro-inflammatory cytokines. Previous studies have suggested that HMGB1 is up-regulated in numerous inflammatory diseases and that it could be a biomarker for such diseases. However, these studies used immunoassay-based methods to analyze serum HMGB1. Autoantibodies to HMGB1 in serum are found in healthy control subjects as well as in patients with different diseases...
May 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29790998/association-of-smokeless-tobacco-use-and-oral-cancer-a-systematic-global-review-and-meta-analysis
#17
Smita Asthana, Satyanarayana Labani, Uma Kailash, Dhirendra N Sinha, Ravi Mehrotra
Introduction: Smokeless tobacco products have been linked to precancerous and cancers of oral cavity for long. Evidence was available on the association between smokeless tobacco (SLT) products and oral cancers at regional but not at global level. Present meta-analysis is aimed to evaluate the risk of oral cancer with the use of SLT products among "ever" versus "never" users. Method: Studies published for the period (1960-2016) are retrieved using Pubmed, Indmed, EMBASE, and Google Scholar search engines for the subject "ever" versus "never" users of SLT products and estimated the risk association with oral cancer...
May 22, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/29790947/antibodies-against-chlamydia-trachomatis-and-ovarian-cancer-risk-in-two-independent-populations
#18
Britton Trabert, Tim Waterboer, Annika Idahl, Nicole Brenner, Louise A Brinton, Julia Butt, Sally B Coburn, Patricia Hartge, Katrin Hufnagel, Federica Inturrisi, Jolanta Lissowska, Alexander Mentzer, Beata Peplonska, Mark E Sherman, Gillian S Wills, Sarah C Woodhall, Michael Pawlita, Nicolas Wentzensen
Background: Pelvic inflammatory disease (PID) has been associated with ovarian cancer risk. To clarify the role of Chlamydia trachomatis and other infectious agents in the development of ovarian cancer, we evaluated the association of serologic markers with incident ovarian cancer using a staged approach in two independent populations. Methods: Studies included: 1) a case-control study in Poland (244 ovarian cancers/556 control subjects) and 2) a prospective nested case-control study in the PLCO Cancer Screening Trial (160 ovarian cancers/159 control subjects)...
May 21, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29790898/ezh2-induces-the-expression-of-mir-1301-as-a-negative-feedback-control-mechanism-in-triple-negative-breast-cancer
#19
Qiuju Wu, Zekun Chen, Guihua Zhang, Wenhui Zhou, You Peng, Rong Liu, Ceshi Chen, Jing Feng
Breast cancer is one of the most common malignancies in women. ERα, PR, and HER2 triple negative breast cancer (TNBC) is the current research focus because of the lack of effective targeted therapies. In our study, lentivirus systems were used to overexpress EZH2 and miR-1301 in TNBC cell lines. Western blot analysis and RT-qPCR were used to detect the protein and microRNA levels. The TCGA and Kaplan Meier plotter databases were used to analyze the EZH2 and miR-1301 expression levels in breast cancer. The effect of miR-1301 overexpression on cell proliferation, migration and colony formation were determined by using the sulforhodamine B (SRB) assay, wound healing assay and colony formation assay, respectively...
May 22, 2018: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29790801/development-and-characterization-of-polymeric-microparticle-of-poly-d-l-lactic-acid-loaded-with-holmium-acetylacetonate
#20
Mariangela de Burgos M de Azevedo, Vitor H S de Melo, Carlos Roberto J Soares, Douglas M Miyamoto, Ricardo A Katayama, Peterson L Squair, Caio H N Barros, Ljubica Tasic
Biodegradable polymers containing radioactive isotopes such as Holmium 166 (166 Ho) have potential applications as beta particle emitters in tumor tissues. It is also a gamma ray emitter, allowing nuclear imaging of any tissue to be acquired. It is frequently used in the form of complexes such as holmium acetylacetonate (HoAcAc), which may cause damages in tissues next to the targets cancer cells, as it is difficult to control its linkage or healthy tissues radiotherapy effects. Poly(D,L-lactic acid), PDLLA, was used to encapsulate holmium acetylacetonate (HoAcAc) using an emulsion solvent extraction/evaporation technique...
May 23, 2018: Journal of Microencapsulation
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