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https://www.readbyqxmd.com/read/28241496/the-role-of-sarcosine-uracil-and-kynurenic-acid-metabolism-in-urine-for-diagnosis-and-progression-monitoring-of-prostate-cancer
#1
Georgios Gkotsos, Christina Virgiliou, Ioanna Lagoudaki, Chrysanthi Sardeli, Nikolaos Raikos, Georgios Theodoridis, Georgios Dimitriadis
The aim of this pilot study is to evaluate sarcosine, uracil, and kynurenic acid in urine as potential biomarkers in prostate cancer detection and progression monitoring. Sarcosine, uracil, and kynurenic acid were measured in urine samples of 32 prostate cancer patients prior to radical prostatectomy, 101 patients with increased prostate-specific antigen prior to ultrasonographically-guided prostatic biopsy collected before and after prostatic massage, and 15 healthy volunteers (controls). The results were related to histopathologic data, Gleason score, and PSA (Prostate Specific Antigen)...
February 23, 2017: Metabolites
https://www.readbyqxmd.com/read/28241454/next-generation-sequencing-approach-in-methylation-analysis-of-hnf1b-and-gata4-genes-searching-for-biomarkers-in-ovarian-cancer
#2
Ivana Bubancova, Helena Kovarikova, Jan Laco, Ema Ruszova, Ondrej Dvorak, Vladimir Palicka, Marcela Chmelarova
DNA methylation is well-known to be associated with ovarian cancer (OC) and has great potential to serve as a biomarker in monitoring response to therapy and for disease screening. The purpose of this study was to investigate methylation of HNF1B and GATA4 and correlate detected methylation with clinicopathological characteristic of OC patients. The study group consisted of 64 patients with OC and 35 control patients. To determine the most important sites of HNF1B and GATA4, we used next-generation sequencing...
February 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241424/exome-sequencing-in-a-family-with-luminal-type-breast-cancer-underpinned-by-variation-in-the-methylation-pathway
#3
Nicole van der Merwe, Armand V Peeters, Fredrieka M Pienaar, Juanita Bezuidenhout, Susan J van Rensburg, Maritha J Kotze
Panel-based next generation sequencing (NGS) is currently preferred over whole exome sequencing (WES) for diagnosis of familial breast cancer, due to interpretation challenges caused by variants of uncertain clinical significance (VUS). There is also no consensus on the selection criteria for WES. In this study, a pathology-supported genetic testing (PSGT) approach was used to select two BRCA1/2 mutation-negative breast cancer patients from the same family for WES. Homozygosity for the MTHFR 677 C>T mutation detected during this PSGT pre-screen step was considered insufficient to cause bilateral breast cancer in the index case and her daughter diagnosed with early-onset breast cancer (<30 years)...
February 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241208/association-between-telomere-length-and-risk-of-cancer-and-non-neoplastic-diseases-a-mendelian-randomization-study
#4
Philip C Haycock, Stephen Burgess, Aayah Nounu, Jie Zheng, George N Okoli, Jack Bowden, Kaitlin Hazel Wade, Nicholas J Timpson, David M Evans, Peter Willeit, Abraham Aviv, Tom R Gaunt, Gibran Hemani, Massimo Mangino, Hayley Patricia Ellis, Kathreena M Kurian, Karen A Pooley, Rosalind A Eeles, Jeffrey E Lee, Shenying Fang, Wei V Chen, Matthew H Law, Lisa M Bowdler, Mark M Iles, Qiong Yang, Bradford B Worrall, Hugh Stephen Markus, Rayjean J Hung, Chris I Amos, Amanda B Spurdle, Deborah J Thompson, Tracy A O'Mara, Brian Wolpin, Laufey Amundadottir, Rachael Stolzenberg-Solomon, Antonia Trichopoulou, N Charlotte Onland-Moret, Eiliv Lund, Eric J Duell, Federico Canzian, Gianluca Severi, Kim Overvad, Marc J Gunter, Rosario Tumino, Ulrika Svenson, Andre van Rij, Annette F Baas, Matthew J Bown, Nilesh J Samani, Femke N G van t'Hof, Gerard Tromp, Gregory T Jones, Helena Kuivaniemi, James R Elmore, Mattias Johansson, James Mckay, Ghislaine Scelo, Robert Carreras-Torres, Valerie Gaborieau, Paul Brennan, Paige M Bracci, Rachel E Neale, Sara H Olson, Steven Gallinger, Donghui Li, Gloria M Petersen, Harvey A Risch, Alison P Klein, Jiali Han, Christian C Abnet, Neal D Freedman, Philip R Taylor, John M Maris, Katja K Aben, Lambertus A Kiemeney, Sita H Vermeulen, John K Wiencke, Kyle M Walsh, Margaret Wrensch, Terri Rice, Clare Turnbull, Kevin Litchfield, Lavinia Paternoster, Marie Standl, Gonçalo R Abecasis, John Paul SanGiovanni, Yong Li, Vladan Mijatovic, Yadav Sapkota, Siew-Kee Low, Krina T Zondervan, Grant W Montgomery, Dale R Nyholt, David A van Heel, Karen Hunt, Dan E Arking, Foram N Ashar, Nona Sotoodehnia, Daniel Woo, Jonathan Rosand, Mary E Comeau, W Mark Brown, Edwin K Silverman, John E Hokanson, Michael H Cho, Jennie Hui, Manuel A Ferreira, Philip J Thompson, Alanna C Morrison, Janine F Felix, Nicholas L Smith, Angela M Christiano, Lynn Petukhova, Regina C Betz, Xing Fan, Xuejun Zhang, Caihong Zhu, Carl D Langefeld, Susan D Thompson, Feijie Wang, Xu Lin, David A Schwartz, Tasha Fingerlin, Jerome I Rotter, Mary Frances Cotch, Richard A Jensen, Matthias Munz, Henrik Dommisch, Arne S Schaefer, Fang Han, Hanna M Ollila, Ryan P Hillary, Omar Albagha, Stuart H Ralston, Chenjie Zeng, Wei Zheng, Xiao-Ou Shu, Andre Reis, Steffen Uebe, Ulrike Hüffmeier, Yoshiya Kawamura, Takeshi Otowa, Tsukasa Sasaki, Martin Lloyd Hibberd, Sonia Davila, Gang Xie, Katherine Siminovitch, Jin-Xin Bei, Yi-Xin Zeng, Asta Försti, Bowang Chen, Stefano Landi, Andre Franke, Annegret Fischer, David Ellinghaus, Carlos Flores, Imre Noth, Shwu-Fan Ma, Jia Nee Foo, Jianjun Liu, Jong-Won Kim, David G Cox, Olivier Delattre, Olivier Mirabeau, Christine F Skibola, Clara S Tang, Merce Garcia-Barcelo, Kai-Ping Chang, Wen-Hui Su, Yu-Sun Chang, Nicholas G Martin, Scott Gordon, Tracey D Wade, Chaeyoung Lee, Michiaki Kubo, Pei-Chieng Cha, Yusuke Nakamura, Daniel Levy, Masayuki Kimura, Shih-Jen Hwang, Steven Hunt, Tim Spector, Nicole Soranzo, Ani W Manichaikul, R Graham Barr, Bratati Kahali, Elizabeth Speliotes, Laura M Yerges-Armstrong, Ching-Yu Cheng, Jost B Jonas, Tien Yin Wong, Isabella Fogh, Kuang Lin, John F Powell, Kenneth Rice, Caroline L Relton, Richard M Martin, George Davey Smith
Importance: The causal direction and magnitude of the association between telomere length and incidence of cancer and non-neoplastic diseases is uncertain owing to the susceptibility of observational studies to confounding and reverse causation. Objective: To conduct a Mendelian randomization study, using germline genetic variants as instrumental variables, to appraise the causal relevance of telomere length for risk of cancer and non-neoplastic diseases. Data Sources: Genomewide association studies (GWAS) published up to January 15, 2015...
February 23, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28241139/transcription-control-by-the-enl-yeats-domain-in-acute-leukaemia
#5
Michael A Erb, Thomas G Scott, Bin E Li, Huafeng Xie, Joshiawa Paulk, Hyuk-Soo Seo, Amanda Souza, Justin M Roberts, Shiva Dastjerdi, Dennis L Buckley, Neville E Sanjana, Ophir Shalem, Behnam Nabet, Rhamy Zeid, Nana K Offei-Addo, Sirano Dhe-Paganon, Feng Zhang, Stuart H Orkin, Georg E Winter, James E Bradner
Recurrent chromosomal translocations producing a chimaeric MLL oncogene give rise to a highly aggressive acute leukaemia associated with poor clinical outcome. The preferential involvement of chromatin-associated factors as MLL fusion partners belies a dependency on transcription control. Despite recent progress made in targeting chromatin regulators in cancer, available therapies for this well-characterized disease remain inadequate, prompting the need to identify new targets for therapeutic intervention. Here, using unbiased CRISPR-Cas9 technology to perform a genome-scale loss-of-function screen in an MLL-AF4-positive acute leukaemia cell line, we identify ENL as an unrecognized gene that is specifically required for proliferation in vitro and in vivo...
March 1, 2017: Nature
https://www.readbyqxmd.com/read/28241094/quantification-of-familial-risk-of-nasopharyngeal-carcinoma-in-a-high-incidence-area
#6
Zhiwei Liu, Ellen T Chang, Qing Liu, Yonglin Cai, Zhe Zhang, Guomin Chen, Qi-Hong Huang, Shang-Hang Xie, Su-Mei Cao, Jian-Yong Shao, Wei-Hua Jia, Yuming Zheng, Jian Liao, Yufeng Chen, Longde Lin, Liming Liang, Ingemar Ernberg, Thomas L Vaughan, Hans-Olov Adami, Guangwu Huang, Yi Zeng, Yi-Xin Zeng, Weimin Ye
BACKGROUND: To the authors' knowledge, no studies to date have explored familial risks of nasopharyngeal carcinoma (NPC) in detail and quantified its lifetime risk in high-incidence populations. METHODS: The authors conducted a population-based case-control study of 2499 NPC cases and 2576 controls randomly selected in southern China from 2010 through 2014. Unconditional logistic regression was used to estimate multivariable-adjusted odds ratios (ORs) with 95% confidence intervals (95% CIs) associated with a family history of NPC...
February 27, 2017: Cancer
https://www.readbyqxmd.com/read/28241027/benefit-of-adjuvant-immunotherapy-in-renal-cell-carcinoma-a-myth-or-a-reality
#7
Satoru Taguchi, Sebastiano Buti, Hiroshi Fukuhara, Masafumi Otsuka, Melissa Bersanelli, Teppei Morikawa, Hideyo Miyazaki, Tohru Nakagawa, Tetsuya Fujimura, Haruki Kume, Yasuhiko Igawa, Yukio Homma
BACKGROUND: The benefit of adjuvant immunotherapy after nephrectomy in renal cell carcinoma (RCC) is controversial. The present study aimed to examine the possible benefit of adjuvant immunotherapy in various clinical settings. METHODS: We retrospectively reviewed 436 patients with pT1-3N0-2M0 RCC who underwent radical or partial nephrectomy with curative intent at our institution between 1981 and 2009. Of them, 98 (22.5%) patients received adjuvant interferon-α (IFN-α) after surgery (adjuvant IFN-α group), while 338 (77...
2017: PloS One
https://www.readbyqxmd.com/read/28240967/multicenter-phase-iii-randomized-double-blind-placebo-controlled-trial-of-pravastatin-added-to-first-line-standard-chemotherapy-in-small-cell-lung-cancer-lungstar
#8
Michael J Seckl, Christian H Ottensmeier, Michael Cullen, Peter Schmid, Yenting Ngai, Dakshinamoorthy Muthukumar, Joyce Thompson, Susan Harden, Gary Middleton, Kate M Fife, Barbara Crosse, Paul Taylor, Stephen Nash, Allan Hackshaw
Purpose Treating small-cell lung cancer (SCLC) remains a therapeutic challenge. Experimental studies show that statins exert additive effects with agents, such as cisplatin, to impair tumor growth, and observational studies suggest that statins combined with anticancer therapies delay relapse and prolong life in several cancer types. To our knowledge, we report the first large, randomized, placebo-controlled, double-blind trial of a statin with standard-of-care for patients with cancer, specifically SCLC. Patients and Methods Patients with confirmed SCLC (limited or extensive disease) and performance status 0 to 3 were randomly assigned to receive daily pravastatin 40 mg or placebo, combined with up to six cycles of etoposide plus cisplatin or carboplatin every 3 weeks, until disease progression or intolerable toxicity...
February 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28240966/efficacy-of-internet-based-cognitive-behavioral-therapy-in-improving-sexual-functioning-of-breast-cancer-survivors-results-of-a-randomized-controlled-trial
#9
Susanna B Hummel, Jacques J D M van Lankveld, Hester S A Oldenburg, Daniela E E Hahn, Jacobien M Kieffer, Miranda A Gerritsma, Marianne A Kuenen, Nina Bijker, Paul J Borgstein, Gijsbert Heuff, Alexander M F Lopes Cardozo, Peter W Plaisier, Herman Rijna, Suzan van der Meij, Eric J van Dulken, Bart C Vrouenraets, Eva Broomans, Neil K Aaronson
Purpose We evaluated the effect of Internet-based cognitive behavioral therapy (CBT) on sexual functioning and relationship intimacy (primary outcomes) and body image, menopausal symptoms, marital functioning, psychological distress, and health-related quality of life (secondary outcomes) in breast cancer survivors (BCSs) with a DSM-IV diagnosis of a sexual dysfunction. Patients and Methods We randomly assigned 169 BCSs to either Internet-based CBT or a waiting-list control group. The CBT consisted of weekly therapist-guided sessions, with a maximum duration of 24 weeks...
February 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28240915/quantitative-proteomic-analysis-of-serum-exosomes-from-patients-with-locally-advanced-pancreatic-cancer-undergoing-chemoradiotherapy
#10
Mingrui An, Ines Lohse, Zhijing Tan, Jianhui Zhu, Jing Wu, Himabindu Kurapati, Meredith A Morgan, Theodore S Lawrence, Kyle C Cuneo, David M Lubman
Pancreatic cancer is the third leading cause of cancer related death in the USA. Despite extensive research, minimal improvements in patient outcomes have been achieved. Early identification of treatment response and metastasis would be valuable to determine the appropriate therapeutic course for patients. In this work, we isolated exosomes from the serum of ten patients with locally advanced pancreatic cancer at serial time points over a course of therapy and quantitative analysis was performed using the iTRAQ method...
February 27, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28240846/identification-of-a-low-frequency-missense-variant-in-e2f-transcription-factor-7-associated-with-colorectal-cancer-risk-in-a-chinese-population
#11
Ai Ye Guo, Kan Zhai, Jin Ling Xu, Jin Long Hu, Lan Gao
Background: Transcription factors regulate gene expression and play important role in tumor genesis. Especially, the E2F transcription factor family controls the cell cycle and regulate many tumor suppressors. Missense variants in E2F family genes, which change the amino acid sequence, may alter the capacity for DNA binding or the protein structure, leading to a functional alteration. Material and Methods: We here searched for missense variants in E2F transcription family genes (E2F1~E2F8) and identified two (rs2075995 for E2F2 and rs3829295 for E2F7) with minor allele frequencies >0...
1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28240845/genetic-association-of-xrcc1-gene-rs1799782-rs25487-and-rs25489-polymorphisms-with-risk-of-thyroid-cancer-a-systematic-review-and-meta-analysis
#12
Jamal Jafari Nedooshan, Mohammad Forat Yazdi, Hossein Neamatzadeh, Masoud Zare Shehneh, Saeed Kargar, Niloofar Seddighi
Background: A number of case-control studies have evaluated associations between the X-ray cross complementary group 1 protein (XRCC1) gene rs1799782 (Arg194Trp), rs25487 (Arg399Gln) and rs25489 (Arg280His) polymorphisms and thyroid cancer (TC) risk, but the results remain inconclusive. Materials and Methods: A systematic literature search was performed using PubMed and Google Scholar Search. According to defined criteria data were extracted and pooled odds ratios with 95% confidence intervals were calculated under five genetic models...
1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28240776/the-role-of-exosomes-and-mirnas-in-drug-resistance-of-cancer-cells
#13
REVIEW
Duc-Hiep Bach, Ji-Young Hong, Hyen Joo Park, Sang Kook Lee
Chemotherapy, one of the principal approaches for cancer patients, plays a crucial role in controlling tumor progression. Clinically, tumors reveal a satisfactory response following the first exposure to the chemotherapeutic drugs in treatment. However, most tumors sooner or later become resistant to even chemically unrelated anticancer agents after repeated treatment. The reduced drug accumulation in tumor cells is considered one of the significant mechanisms by decreasing drug permeability and/or increasing active efflux (pumping out) of the drugs across the cell membrane...
February 27, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28240735/universal-expositions-physics-chemistry-and-new-occupational-diseases-the-case-of-marie-sklodowska-curie-and-radium-girls
#14
Silvana Salerno
BACKGROUND: Radium discovery by Marie and Pierre Curies caused previously unknown diseases. Marie Sklodowska Curie (1867-1934) suffered from radiations effects, as did girls in the radium dial watches factories. Therapeutic effects of radium were soon discovered, its unhealthy effects were as yet unheard of. OBJECTIVES: Analysis of Marie Sklodowska Curie (Marie) and radium girls occupational exposure, taking scientific debate on radium dangerous effects into account...
February 15, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/28240687/liberal-versus-restrictive-transfusion-strategy-in-critically-ill-oncologic-patients-the-transfusion-requirements-in-critically-ill-oncologic-patients-randomized-controlled-trial
#15
Fabricio S Bergamin, Juliano P Almeida, Giovanni Landoni, Filomena R B G Galas, Julia T Fukushima, Evgeny Fominskiy, Clarice H L Park, Eduardo A Osawa, Maria P E Diz, Gisele Q Oliveira, Rafael A Franco, Rosana E Nakamura, Elisangela M Almeida, Edson Abdala, Maristela P Freire, Roberto K Filho, Jose Otavio C Auler, Ludhmila A Hajjar
OBJECTIVE: To assess whether a restrictive strategy of RBC transfusion reduces 28-day mortality when compared with a liberal strategy in cancer patients with septic shock. DESIGN: Single center, randomized, double-blind controlled trial. SETTING: Teaching hospital. PATIENTS: Adult cancer patients with septic shock in the first 6 hours of ICU admission. INTERVENTIONS: Patients were randomized to the liberal (hemoglobin threshold, < 9g/dL) or to the restrictive strategy (hemoglobin threshold, < 7g/dL) of RBC transfusion during ICU stay...
February 24, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28240582/hyperbaric-oxygen-therapy-for-head-and-neck-irradiated-patients-with-special-attention-to-oral-and-maxillofacial-treatments
#16
Anne-Frédérique Chouinard, Luc Giasson, Michel Fortin
Although radiation therapy is a common treatment for head and neck cancer, osteoradionecrosis (ORN) represents a major complication during or after treatment. Hyperbaric oxygen is often mentioned as a prophylactic and therapeutic treatment for ORN. In this article, we review the literature on hyperbaric oxygen therapy in head and neck irradiated patients. The widespread use of such therapy for the prevention and treatment of ORN appears to be based mainly on personal beliefs and experience, as no consensus exists in the scientific literature about its efficacy...
September 2016: Journal—Canadian Dental Association, Journal de L'Association Dentaire Canadienne
https://www.readbyqxmd.com/read/28240531/modulating-three-dimensional-microenvironment-with-hyaluronan-of-different-molecular-weights-alters-breast-cancer-cell-invasion-behavior
#17
Yufang Zhao, Shupei Qiao, Shuliang Shi, Lifen Yao, Xiaolu Hou, Chunfeng Li, Feng-Huei Lin, Kai Guo, Alaka Acharya, Xiongbiao Chen, Yongzhan Nie, Weiming Tian
Hyaluronan (HA), a polymer with various molecular weights (MW) found in tumor microenvironments, is associated with malignant progression of breast cancer. Reducing the amount of high MW HA in the microenvironment by hyaluronidase is a promising approach for breast cancer treatment. However, whether the generation of HA fragments negatively affects breast cancer cells remains to be determined. Furthermore, HA forms three-dimensional (3D) networks by crosslinking with other extracellular molecules to function...
February 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28240528/novel-mutations-of-the-chrna3-gene-in-non-small-cell-lung-cancer-in-an-iranian-population
#18
Nahid Mehrabi, Seyed Mohammad Moshtaghioun, Hossein Neamatzadeh
Background: Lung cancer, the leading cause of cancer-related worldwide deaths, largely results from the combined effects of smoking exposure and genetic susceptibility. CHRNA3, a nicotinic acetylcholine receptor gene, is associated with lung cancer risk. This study sought to identify variations in exon 3 of CHRNA3 in an Iranian population with non-small cell lung cancer (NSCLC). Materials and methods: A case-control study including 147 individuals with lung cancer and 145 healthy individuals was conducted. As mobility shift caused by nucleotide substitutions might be due to a conformational change of single-stranded DNAs, we designated these as single-strand conformation polymorphisms (SSCPs)...
1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28240527/lack-of-any-association-between-the-hogg1-ser326cys-polymorphism-and-breast-cancer-risk-a-systematic-review-and-meta-analysis-of-18-studies
#19
Mahdieh Kamali, Saeed Kargar, Naeimeh Heiranizadeh, Mohammad Zare, Shadi Kargar, Masoud Zare Shehneh, Hossein Neamatzadeh
Background: The human 8-oxoguanine DNA glycosylase (hOGG1) gene may be linked with cancer susceptibility. The aim of this study was to quantitatively summarize any association between the hOGG1 Ser326Cys polymorphism and breast cancer (BC) risk. Materials and Methods: A comprehensive search of the PubMed, Embase, and ISI web of knowledge databases for papers published before 1 October 2016 was conducted. Summary odds ratios (ORs) with corresponding 95 % confidence intervals (95 %CIs) were estimated, with fixed-effects or random-effects models when appropriate, to assess any association...
1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28240526/expression-changes-of-apoptotic-genes-in-tissues-from-mice-exposed-to-nicotine
#20
Cyrus Jalili, Mohammad Reza Salahshoor, Mohammad Taher Moradi, Maryam Ahookhash, Mehdi Taghadosi, Maryam Sohrabi
Objective: Smoking is the leading preventable cause of various diseases such as lung cancer, chronic obstructive pulmonary disease and cardiovascular disease. Nicotine, one of the major toxic components of tobacco, contributes to the pathogenesis of different diseases. Methods: Given the controversy about nicotine toxicity, the present study was conducted to determine apoptotic effects of nicotine on the heart, kidney, lung and liver of male mice. Real-time PCR was performed to identify mRNA expression changes in apoptotic-related genes between nicotine treated and control mice...
1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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