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https://www.readbyqxmd.com/read/28432979/the-reality-of-economics-for-oncologists
#1
REVIEW
David Taylor
This article outlines the historical development of health economics and its present role in oncology related health technology assessments (HTAs). Despite concerns about the prices and immediate costs of new anticancer medicines for indications such as breast cancer overall spending on such treatments is affordable and offers long term value for money in countries such as the US, Canada and those of Western Europe. Oncologists wishing to protect the interests of current and future patients with both advanced and earlier stage cancers may be regarded as having a responsibility to understand the nature of health economic evaluations, and to be actively involved in decisions affecting access to current treatments and future levels of investment in incrementally improving therapies...
April 19, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28432944/phototoxic-action-of-a-zinc-ii-phthalocyanine-encapsulated-into-poloxamine-polymeric-micelles-in-2d-and-3d-colon-carcinoma-cell-cultures
#2
Nicolás Chiarante, María C García Vior, Josefina Awruch, Julieta Marino, Leonor P Roguin
Photodynamic therapy is emerging as a hopeful method for the treatment of oncological diseases. In the search of novel therapeutic strategies for colorectal cancer, in this work we reported the photocytotoxic activity of a lipophilic zinc(II) phthalocyanine on a murine colon adenocarcinoma cell line (CT26 cells). The 2,9(10),16(17),23(24) tetrakis[(2-dimethylamino)ethylsulfanyl]phthalocyaninatozinc(II), named Pc9, was encapsulated into Tetronic® 1107 polymeric poloxamine micelles (T1107) and assayed in 2D and 3D cell cultures...
April 11, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28432923/triterpenoid-saponins-from-the-roots-of-spergularia-marginata
#3
David Pertuit, Mustafa Larshini, Malika Aitsidi Brahim, Mohamed Markouk, Anne-Claire Mitaine-Offer, Thomas Paululat, Stéphanie Delemasure, Patrick Dutartre, Marie-Aleth Lacaille-Dubois
Phytochemical investigations of the roots of Spergularia marginata had led to the isolation of four previously undescribed triterpenoid saponins, a known one and one spinasterol glycoside. Their structures were established by extensive NMR and mass spectroscopic techniques as 3-O-β-D-glucuronopyranosyl echinocystic acid 28-O-α-L-arabinopyranosyl-(1 → 2)-α-L-rhamnopyranosyl-(1 → 3)-β-D-xylopyranosyl-(1 → 4)-α-L-rhamnopyranosyl-(1 → 2)-α-L- arabinopyranosyl ester, 3-O-β-D-glucopyranosyl-(1 → 3)-β-D-glucuronopyranosyl echinocystic acid 28-O-α-L-arabinopyranosyl-(1 → 2)-α-L-rhamnopyranosyl-(1 → 3)-β-D-xylopyranosyl-(1 → 4)-α-L-rhamnopyranosyl-(1 → 2)- α-L-arabinopyranosyl ester, 3-O-β-D-glucopyranosyl-(1 → 4)-3-O-sulfate-β-D-glucuronopyranosyl echinocystic acid 28-O-α-L-arabinopyranosyl-(1 → 2)-α-L-rhamnopyranosyl-(1 → 3)-β-D-xylopyranosyl-(1 → 4)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosyl ester, and 3-O-β-D-glucopyranosyl-(1 → 4)-β-D-glucuronopyranosyl 21-O-acetyl acacic acid...
April 19, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28432913/spontaneously-formed-redox-and-ph-sensitive-polymersomes-by-mpeg-based-cytocompatible-random-copolymers
#4
Partha Laskar, Joykrishna Dey, Sudip Kumar Ghosh
Stimuli-sensitive polymersomes are one of the important vehicles and have been extensively studied as smart drug delivery system. Polymersomes have added advantage over the micelles because of having the ability to carry not only hydrophobic but also hydrophilic guest in their aqueous core. Among various stimuli, the change of pH and redox reaction is very important for drug delivery purpose especially for anticancer drug. Therefore, in this work, two poly(ethylene glycol) methyl ether methacrylate (mPEG) containing hydrophilic random anionic copolymers, poly[(2-hydroxyethyl methacrylate-3,3'-dithiodipropanoic acid)x-co-(poly(ethylene glycol) methyl ether methacrylate)y], poly[(HEMA-DTDPA)x-co-mPEGy] with different copolymer ratios were designed and synthesized...
April 12, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28432879/seasonal-variation-and-health-risk-assessment-of-organochlorine-compounds-in-urban-soils-of-novi-sad-serbia
#5
Biljana D Škrbić, Vesna Marinković, Igor Antić, Anita Petrović Gegić
The aim of this paper was to determine spatial and seasonal variation of 6 indicator polychlorinated biphenyls (PCBs) and 18 organochlorine pesticides (OCPs) in urban soils of Novi Sad, Serbia. Sixty surface soil samples were collected during both winter and summer season, from different types of locations: schools, recreational areas, residential and industrial zones. Samples were treated using the method of accelerated solvent extraction, which allows simultaneous extraction and clean up of PCBs and OCPs...
April 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28432871/mir-24-3p-is-overexpressed-in-hodgkin-lymphoma-and-protects-hodgkin-and-reed-sternberg-cells-from-apoptosis
#6
Ye Yuan, Joost Kluiver, Jasper Koerts, Debora de Jong, Bea Rutgers, Fazlyn Reeny Abdul Razak, Martijn Terpstra, Boudewijn Plaat, Ilja M Nolte, Arjan Diepstra, Lydia Visser, Klaas Kok, Anke van den Berg
miRNAs play important roles in biological processes, such as proliferation, metabolism, differentiation, and apoptosis, whereas altered expression levels contribute to diseases, such as cancers. We identified miRNAs with aberrant expression in Hodgkin lymphoma (HL) and investigated their role in pathogenesis. Small RNA sequencing revealed 84 significantly differentially expressed miRNAs in HL cell lines as compared to germinal center B cells. Three up-regulated miRNAs-miR-23a-3p, miR-24-3p, and miR-27a-3p-were derived from one primary miRNA transcript...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28432855/a-systematic-review-of-psychotherapeutic-interventions-for-women-with-metastatic-breast-cancer-context-matters
#7
REVIEW
Lisa Beatty, Emma Kemp, Phyllis Butow, Afaf Girgis, Penelope Schofield, Jane Turner, Nicholas J Hulbert-Williams, Janelle V Levesque, Bogda Koczwara
OBJECTIVES: To summarise the evidence-base of psychological interventions for women with metastatic breast cancer (MBC), by mode of delivery (group, individual, or low-intensity interventions). To synthesise data regarding core intervention-elements (e.g., intervention duration) and context factors (trial setting, uptake and adherence, demographic characteristics). METHODS: Four databases were searched (inception - May 2016): MEDLINE (OvidSP), PsycINFO (OvidSP), CINAHL (EBSCO), and SCOPUS; reference lists were examined for additional publications...
April 22, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28432854/quality-of-death-rumination-and-posttraumatic-growth-among-bereaved-family-members-of-cancer-patients-in-home-palliative-care
#8
Kayo Hirooka, Hiroki Fukahori, Kanako Taku, Taisuke Togari, Asao Ogawa
OBJECTIVE: The current study was designed to test the hypothesis that quality of death (QOD) and intrusive and deliberate rumination are associated with posttraumatic growth (PTG) among bereaved family members of cancer patients in home palliative care. METHODS: Data were collected from 805 bereaved family members of cancer patients who died at home in Japan. We used a cross-sectional design and participants completed Good Death Inventory, Event-Related Rumination Inventory and PTG Inventory...
April 22, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28432840/detection-of-egfr-mutations-in-patients-with-non-small-cell-lung-cancer-by-high-resolution-melting-comparison-with-other-methods
#9
Carlos Martínez-Carretero, Fernando Iguaz Pascual, Antonio Rus, Ivan Bernardo
BACKGROUND: The discovery of mutations in the epidermal growth factor receptor gene (EGFR) related to the clinical response to tyrosine kinase inhibitors, has transformed the management of non-small cell lung cancer (NSCLC). Several methods have been developed for determination of mutations in EGFR, with different sensitivity and potential ability to detect a different number of mutations. METHODS: We developed a screening method by high resolution melting (HRM) to detect EGFR mutations, and compared the results of 123 fixed in formalin and paraffin embedded (FFPE) tumor tissue samples with the detection of mutations by allele-specific PCR...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28432832/profiling-microrna-from-nephrectomy-and-biopsy-specimens-predictors-of-progression-and-survival-in-clear-cell-renal-cell-carcinoma
#10
Casey G Kowalik, Drew A Palmer, Travis B Sullivan, Patrick A Teebagy, John M Dugan, John A Libertino, Eric J Burks, David Canes, Kimberly M Rieger-Christ
OBJECTIVE: To identify miRNA characteristic of metastatic clear cell renal cell carcinoma (ccRCC) and those indicative of cancer specific survival in nephrectomy and biopsy specimens. We also sought to determine if a miRNA panel could differentiate benign from ccRCC tissue. MATERIALS AND METHODS: RNA was isolated from nephrectomy and kidney biopsy specimens (n=156; n=46 respectively). Samples were grouped: benign, non-progressive and progressive ccRCC. MiRNA were profiled by microarray and validated by qRT-PCR...
April 22, 2017: BJU International
https://www.readbyqxmd.com/read/28432813/targeting-on-poly-adp-ribose-polymerase-activity-with-dna-damaging-hybrid-lactam-steroid-alkylators-in-wild-type-and-brca1-mutated-ovarian-cancer-cells
#11
Dimitrios T Trafalis, Aikaterini Polonifi, Panayiotis Dalezis, Nikolaos Nikoleousakos, Sotirios Katsamakas, Vassiliki Sarli
Conjugated lactam-steroid alkylators (LSA), have been shown to exhibit superior activity at controlling cancer models and overlap drug resistance to conventional chemotherapy. Hybrid LSAs combine two active compounds in a single molecule and incorporate modified steroids bearing lactam moiety in one or more steroid rings functioning as vectors for cytotoxic agents. We first describe a novel class of LSAs that generate excellent anticancer activity against UWB1.289 and UWB1.289+BRCA1 human ovarian cancer cell lines...
April 22, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28432789/probing-protein-flexibility-reveals-a-mechanism-for-selective-promiscuity
#12
Nicolas A Pabon, Carlos J Camacho
Many eukaryotic regulatory proteins adopt distinct bound and unbound conformations, and use this structural flexibility to bind specifically to multiple partners. However, we lack an understanding of how an interface can select some ligands, but not others. Here, we present a molecular dynamics approach to identify and quantitatively evaluate the interactions responsible for this selective promiscuity. We apply this approach to the anti-cancer target PD-1 and its ligands PD-L1 and PD-L2. We discover that while unbound PD-1 exhibits a hard-to-drug hydrophilic interface, conserved specific triggers encoded in the cognate ligands activate a promiscuous binding pathway that reveals a flexible hydrophobic binding cavity...
April 22, 2017: ELife
https://www.readbyqxmd.com/read/28432781/cognitive-functioning-and-emotion-processing-in-breast-cancer-survivors-and-controls-an-erp-pilot-study
#13
Janine Wirkner, Mathias Weymar, Andreas Löw, Carmen Hamm, Anne-Marie Struck, Clemens Kirschbaum, Alfons O Hamm
Diagnosis and treatment of breast cancer is a very emotionally aversive and stressful life event, which can lead to impaired cognitive functioning and mental health. Breast cancer survivors responding with repressive emotion regulation strategies often show less adaptive coping and adverse outcomes. We investigated cognitive functioning and neural correlates of emotion processing using ERPs. Self-report measures of depression, anxiety, and fatigue, as well as hair cortisol as an index of chronic stress, were assessed...
April 22, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28432774/comprehensive-two-dimensional-pc-3-prostate-cancer-cell-membrane-chromatography-for-screening-anti-tumor-components-from-radix-sophorae-flavescentis
#14
Qiang Wang, Junnan Xu, Xiang Li, Dawei Zhang, Yong Han, Xu Zhang
Radix Sophorae flavescentis is generally used for the treatments of different stages of prostate cancer in China. It has ideal effects when combined with surgical treatment and chemotherapy. However, its active components are still ambiguous. We devised a comprehensive two-dimensional PC-3 prostate cancer cell membrane chromatography system for screening anti-prostate cancer components in Radix Sophorae flavescentis. Gefitinib and dexamethasone were chosen as positive and negative drugs respectively for validation and optimization the selectivity and suitability of the comprehensive two-dimensional chromatographic system...
April 22, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28432752/incretin-based-glucose-lowering-medications-and-the-risk-for-acute-pancreatitis-and-or-pancreatic-cancer-risk-reassuring-data-from-cardio-vascular-outcome-trials
#15
Michael A Nauck, Juris J Meier, Wolfgang E Schmidt
Incretin-based medications (glucagon-like peptide-1 [GLP-1] receptor agonists and inhibitors of dipeptidyl peptidase-4 [DPP-4] are glucose-lowering drugs approved and introduced after 2006 (1). Although both classes of drugs appeared to be relatively safe based on results from clinical trials and standard animal toxicology studies, epidemiological data (2, 3) and histological findings (4) in genetically modified rodents exposed to such agents have raised concern that pancreatitis and pancreatic cancer may be long-term risks associated with this therapy...
April 22, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28432730/assessment-of-voluntary-deep-inspiration-breath-hold-with-cine-imaging-for-breast-radiotherapy
#16
Reuben Patrick Estoesta, Lani Attwood, Diana Naehrig, Elizabeth Claridge-Mackonis, David Odgers, Darren Martin, Melissa Pham, Joanne Toohey, Susan Carroll
Deep Inspiration Breath-Hold (DIBH) techniques for breast cancer radiation therapy (RT) have reduced cardiac dose compared to Free Breathing (FB). Recently, a voluntary deep inspiration breath-hold (vDIBH) technique was established using in-room lasers and skin tattoos to monitor breath-hold. An in-house quality assessment of positional reproducibility during RT delivery with vDIBH in patients with left-sided breast cancer was evaluated. The electronic portal imaging device (EPID) was used in cinematographic (CINE) mode to capture a sequence of images during beam delivery...
April 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28432678/anal-metastasis-of-rectal-cancer-adenocarcinoma-of-squamous-cells-a-case-report-and-literature-review
#17
Shun Sasaki, Masahiko Sugiyama, Yu Nakaji, Ryota Nakanishi, Yuichiro Nakashima, Hiroshi Saeki, Eiji Oki, Yoshinao Oda, Yoshihiko Maehara
Anal metastasis of colorectal cancer is very rare and is usually associated with a history of anal disease, including anal fistula, fissure, hemorrhoidectomy, and anastomotic injury. We report a case of rectal cancer with a synchronous anal metastasis consisting of adenocarcinoma of squamous cells without a history of anal disease. A 60-year-old woman had a chief complaint of melena. She had a 1.5-cm anal tumor on the perianal skin, and a Bollman type 2 rectal tumor on the Ra portion was found on colonoscopy...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28432633/synthesis-spectral-properties-and-dft-calculations-of-new-ruthenium-ii-polypyridyl-complexes-dna-binding-affinity-and-in-vitro-cytotoxicity-activity
#18
Rajender Reddy Mallepally, Nagamani Chintakuntla, Venkat Reddy Putta, Nagasuryaprasad K, Ravi Kumar Vuradi, Madhuri P, Satyanarayana Singh S, Ramesh Kumar Chitumalla, Joonkyung Jang, Nagababu Penumaka, Satyanarayana Sirasani
In this paper a novel ligand debip (2-(4-N,N-diethylbenzenamine)1H-imidazo[4,5-f] [1, 10]phenanthroline) and its Ru(II) polypyridyl complexes [Ru(L)2(debip)](2+), (L = phen (1), bpy (2) and dmb (3)) have been synthesized and characterized by spectroscopic techniques. The DNA binding studies for all these complexes were examined by absorption, emission, quenching studies, viscosity measurements and cyclic voltammetry. The light switching properties of complexes 1-3 have been evaluated. Molecular docking, Density Functional Theory (DFT) and time dependent DFT calculations were performed...
April 22, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28432618/the-identification-of-key-genes-and-pathways-in-hepatocellular-carcinoma-by-bioinformatics-analysis-of-high-throughput-data
#19
Chaoyang Zhang, Li Peng, Yaqin Zhang, Zhaoyang Liu, Wenling Li, Shilian Chen, Guancheng Li
Liver cancer is a serious threat to public health and has fairly complicated pathogenesis. Therefore, the identification of key genes and pathways is of much importance for clarifying molecular mechanism of hepatocellular carcinoma (HCC) initiation and progression. HCC-associated gene expression dataset was downloaded from Gene Expression Omnibus database. Statistical software R was used for significance analysis of differentially expressed genes (DEGs) between liver cancer samples and normal samples. Gene Ontology (GO) term enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, based on R software, were applied for the identification of pathways in which DEGs significantly enriched...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28432617/prognostic-significance-of-histologic-subtype-in-pstage-i-lung-adenocarcinoma
#20
Nozomu Motono, Takuma Matsui, Yuichiro Machida, Katsuo Usuda, Hidetaka Uramoto
The International Association for the Study of Lung Cancer, the American Thoracic Society, and the European Respiratory Society (IASLC/ATS/ERS) proposed a new histologic classification of lung adenocarcinoma in 2011. While several studies have already validated the prognostic value of this new classification of lung adenocarcinoma, we conducted own investigation in the present study. This study included 197 patients with invasive lung adenocarcinoma who underwent complete resection. Pathologic diagnoses were made in accordance with the new IASLC/ATS/ERS classification for lung adenocarcinoma...
June 2017: Medical Oncology
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