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International Journal of Cancer. Journal International du Cancer

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https://www.readbyqxmd.com/read/28319273/gastric-microbiota-features-associated-with-cancer-risk-factors-and-clinical-outcomes-a-pilot-study-in-gastric-cardia-cancer-patients-from-shanxi-china
#1
Guoqin Yu, Nan Hu, Lemin Wang, Chaoyu Wang, Xiao-You Han, Mike Humphry, Jacques Ravel, Christian C Abnet, Philip R Taylor, Alisa M Goldstein
Little is known about the link between gastric microbiota and the epidemiology of gastric cancer. In order to determine the epidemiologic and clinical relevance of gastric microbiota, we used 16S ribosomal RNA gene sequencing analysis to characterize the composition and structure of the gastric microbial community of 80 paired samples (non-malignant and matched tumor tissues) from gastric cardia adenocarcinoma (GCA) patients in Shanxi, China. We also used PICRUSt to predict microbial functional profiles. Compared to patients without family history of upper gastrointestinal (UGI) cancer in the non-malignant gastric tissue microbiota, patients with family history of UGI cancer had higher Helicobacter pylori (Hp) relative abundance (median: 0...
March 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28316084/sensitivity-and-specificity-of-antibodies-against-hpv16-e6-and-other-early-proteins-for-the-detection-of-hpv16-driven-oropharyngeal-squamous-cell-carcinoma
#2
Dana Holzinger, Gunnar Wichmann, Lorena Baboci, Angelika Michel, Daniela Höfler, Manuel Wiesenfarth, Lea Schroeder, Paolo Boscolo-Rizzo, Christel Herold-Mende, Gerhard Dyckhoff, Andreas Boehm, Annarosa Del Mistro, Franz X Bosch, Andreas Dietz, Michael Pawlita, Tim Waterboer
To determine the sensitivity and specificity of HPV16 serology as diagnostic marker for HPV16-driven oropharyngeal squamous cell carcinoma (OPSCC), 214 HNSCC patients from Germany and Italy with fresh-frozen tumor tissues and sera collected before treatment were included in this study. 120 cancer cases were from the oropharynx and 94 were from head and neck cancer regions outside the oropharynx (45 oral cavity, 12 hypopharynx and 35 larynx). Serum antibodies to early (E1, E2, E6 and E7) and late (L1) HPV16 proteins were analyzed by multiplex serology and were compared to tumor HPV RNA status as the gold standard...
March 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28316069/employment-status-and-occupational-level-of-adult-survivors-of-childhood-cancer-in-great-britain-the-british-childhood-cancer-survivor-study
#3
Clare Frobisher, Emma R Lancashire, Helen Jenkinson, David L Winter, Julie Kelly, Raoul C Reulen, Michael M Hawkins
The British Childhood Cancer Survivor Study (BCCSS) provides the first detailed investigation of employment and occupation to be undertaken in a large population-based cohort. Previous studies have been limited by design issues such as using small numbers of survivors with specific diagnoses, and involved limited assessment of employment status and occupational level. The BCCSS includes 17,981 5-year survivors of childhood cancer. Employment status and occupational level were ascertained by questionnaire from eligible survivors (n = 14,836)...
March 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28316092/elevation-of-gprc5a-expression-in-colorectal-cancer-promotes-tumor-progression-through-vnn-1-induced-oxidative-stress
#4
Long Zhang, Liang Li, Ganglong Gao, Gaigai Wei, Yansen Zheng, Chunmei Wang, Na Gao, Yongliang Zhao, Jiong Deng, Huaqing Chen, Jialiang Sun, Dali Li, Xueli Zhang, Mingyao Liu
The clearance of oxidative stress compounds is critical for the protection of the organism from malignancy, but how this key physiological process is regulated is not fully understood. Here we found that the expression of GPRC5A, a well-characterized tumor suppressor in lung cancer, was elevated in colorectal cancer tissues in patients. In both cancer cell lines and a colitis-associated cancer model in mice, we found that GPRC5A deficiency reduced cell proliferation and increased cell apoptosis as well as inhibited tumorigenesis in vivo...
March 17, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28316082/dacomitinib-induced-diarrhoea-is-associated-with-altered-gastrointestinal-permeability-and-disruption-in-ileal-histology-in-rats
#5
Ysabella Z A Van Sebille, Rachel J Gibson, Hannah R Wardill, Kate R Secombe, Imogen A Ball, Dorothy M K Keefe, John W Finnie, Joanne M Bowen
Dacomitinib - an irreversible pan-ErbB tyrosine kinase inhibitor (TKI) - causes diarrhoea in 75% of patients. Dacomitinib-induced diarrhoea has not previously been investigated and the mechanisms remain poorly understood. The present study aimed to develop an in-vitro and in-vivo model of dacomitinib-induced diarrhoea to investigate underlying mechanisms. T84 cells were treated with 1-4 μM dacomitinib and resistance and viability were measured using transepithelial electrical resistance (TEER) and XTT assays...
March 17, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28297074/cost-effectiveness-of-cervical-cancer-screening-methods-in-low-and-middle-income-countries-a-systematic-review
#6
REVIEW
Alex K Mezei, Heather L Armstrong, Heather N Pedersen, Nicole G Campos, Sheona M Mitchell, Musa Sekikubo, Josaphat K Byamugisha, Jane J Kim, Stirling Bryan, Gina S Ogilvie
The incidence of cervical cancer in low- and middle-income countries (LMICs) is five times higher than that observed in high-income countries (HICs). This discrepancy is largely attributed to the implementation of cytology-based screening programmes in HICs. However, due to reduced health system infrastructure requirements, HPV testing (self- and provider-collected), and visual inspection with acetic acid (VIA) have been proposed as alternatives that may be better suited to LMICs. Knowing the relative value of different screening options can inform policy and the development of sustainable prevention programs...
March 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28295308/comparison-of-gefitinib-erlotinib-and-afatinib-in-non-small-cell-lung-cancer-a-meta-analysis
#7
Zuyao Yang, Allan Hackshaw, Qi Feng, Xiaohong Fu, Yuelun Zhang, Chen Mao, Jinling Tang
Gefitinib, erlotinib and afatinib are three widely used epidermal growth factor receptor tyrosine kinase inhibitors (EGFR TKIs) for treating advanced non-small cell lung cancer (NSCLC) with proven efficacy. We undertook a systematic review and meta-analysis to synthesize existing studies with direct comparisons of EGFR TKIs in NSCLC in terms of both efficacy and safety. Eight randomized trials and 82 cohort studies with a total of 17621 patients were included for analysis. Gefitinib and erlotinib demonstrated comparable effects on progression-free survival (hazard ratio [HR], 1...
March 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28295289/long-non-coding-rna-neat1-is-a-transcriptional-target-of-p53-and-modulates-p53-induced-transactivation-and-tumor-suppressor-function
#8
Masashi Idogawa, Tomoko Ohashi, Yasushi Sasaki, Hiroshi Nakase, Takashi Tokino
p53 is one of the most important tumor suppressor genes and the direct transcriptional targets of p53 must be explored to elucidate its functional mechanisms. Thus far, the p53 targets that have been primarily studied are protein-coding genes. Our previous study revealed that several long non-coding RNAs (lncRNAs) are direct transcriptional targets of p53, and knockdown of specific lncRNAs modulates p53-induced apoptosis. In this study, analysis of next-generation chromatin immunoprecipitation-sequencing (ChIP-seq) data for p53 revealed that the lncRNA NEAT1 is a direct transcriptional target of p53...
March 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28295288/overexpression-of-foxo3a-is-associated-with-glioblastoma-progression-and-predicts-poor-patient-prognosis
#9
Zhongrun Qian, Li Ren, Dingchang Wu, Xi Yang, Zhiyi Zhou, Quanmin Nie, Gan Jiang, Shuanglin Xue, Weiji Weng, Yongming Qiu, Yingying Lin
Forkhead transcription factor FoxO3a has been reported to have ambiguous functions and distinct mechanisms in various solid tumours, including glioblastoma (GBM). Although a preliminary analysis of a small sample of patients indicated that FoxO3a aberrations in glioma might be related to aggressive clinical behaviour, the clinical significance of FoxO3a in glioblastoma remains unclear. We investigated the expression of FoxO3a in a cohort of 91 glioblastoma specimens and analysed the correlations of protein expression with patient prognosis...
March 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28294317/the-spectrum-of-brca-mutations-and-characteristics-of-brca-associated-breast-cancers-in-china-screening-of-2991-patients-and-1043-controls-by-next-generation-sequencing
#10
Guan-Tian Lang, Jin-Xiu Shi, Xin Hu, Chen-Hui Zhang, Ling Shan, Chuan-Gui Song, Zhi-Gang Zhuang, A-Yong Cao, Hong Ling, Ke-Da Yu, Li Shan, Meng-Hong Sun, Xiao-Yan Zhou, Wei Huang, Zhi-Ming Shao
To characterize the prevalence of BRCA mutations and characteristics of BRCA carriers in China and to update the clinical recommendations for BRCA testing, we conducted a wide screen for BRCA mutations using next-generation sequencing (NGS). A total of 4,034 Chinese subjects were screened for germline BRCA1/2 mutations, including 2,991 breast cancer patients and 1,043 healthy individuals from the community enrolled as controls. We developed an NGS-based approach to perform BRCA1/2 screening. BRCA mutations were identified in 9...
March 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28295287/design-considerations-for-identifying-breast-cancer-risk-factors-in-a-population-based-study-in-africa
#11
Louise A Brinton, Baffour Awuah, Joe Nat Clegg-Lamptey, Beatrice Wiafe-Addai, Daniel Ansong, Kofi M Nyarko, Seth Wiafe, Joel Yarney, Richard Biritwum, Michelle Brotzman, Andrew A Adjei, Ernest Adjei, Francis Aitpillah, Lawrence Edusei, Florence Dedey, Sarah J Nyante, Joseph Oppong, Ernest Osei-Bonsu, Nicholas Titiloye, Verna Vanderpuye, Emma Brew Abaidoo, Bernard Arhin, Isaac Boakye, Margaret Frempong, Naomi Ohene Oti, Victoria Okyne, Jonine D Figueroa
Although breast cancer is becoming more prevalent in Africa, few epidemiologic studies have been undertaken and appropriate methodologic approaches remain uncertain. We therefore conducted a population-based case-control study in Accra and Kumasi, Ghana, enrolling 2,202 women with lesions suspicious for breast cancer and 2,161 population controls. Biopsy tissue for cases prior to neoadjuvant therapy (if given), blood, saliva and fecal samples were sought for study subjects. Response rates, risk factor prevalences, and odds ratios (OR) for established breast cancer risk factors were calculated...
March 13, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28295283/novel-colon-cancer-susceptibility-variants-identified-from-a-genome-wide-association-study-in-african-americans
#12
Hansong Wang, Stephanie L Schmit, Christopher A Haiman, Temitope O Keku, Ikuko Kato, Julie R Palmer, David van den Berg, Lynne R Wilkens, Terrilea Burnett, David V Conti, Fredrick R Schumacher, Lisa B Signorello, William J Blot, Krista A Zanetti, Curtis Harris, Mala Pande, Sonja I Berndt, Polly A Newcomb, Dee W West, Robert Haile, Daniel O Stram, Jane C Figueiredo, Loïc Le Marchand
Genome-wide association studies (GWAS) in ethnic/racial minority populations can help to fine-map previously identified risk regions or discover new risk loci because of the genetic diversity in these populations. We conducted a GWAS of colorectal cancer (CRC) in 6,597 African Americans (1,894 cases and 4,703 controls) (Stage 1) and followed up the most promising markers in a replication set of 2,041 participants of African descent (891 cases and 1,150 controls) (Stage 2). We identified a novel variant, rs56848936 in the gene SYMPK at 19q13...
March 13, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28281292/assessing-global-transitions-in-human-development-and-colorectal-cancer-incidence
#13
Miranda M Fidler, Freddie Bray, Salvatore Vaccarella, Isabelle Soerjomataram
Colorectal cancer incidence has paralleled increases in human development across most countries. Yet, marked decreases in incidence are now observed in countries that have attained very high human development. Thus, in this study, we explored the relationship between human development and colorectal cancer incidence, and in particular assessed whether national transitions to very high human development are linked to temporal patterns in colorectal cancer incidence. For these analyses, we utilized the Human Development Index (HDI) and annual incidence data from regional and national cancer registries...
March 9, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28268260/impact-of-genetic-variations-and-transcriptional-alterations-of-hla-class-i-genes-on-cervical-cancer-pathogenesis
#14
Damayanti Das Ghosh, Indranil Mukhopadhyay, Amrapali Bhattacharya, Rahul Roy Chowdhury, Nidhu Ranjan Mandal, Sudipta Roy, Sharmila Sengupta
In a novel attempt to understand the variations in DNA sequences underlying HLA class I alleles associated with HPV16-related CaCx, we determined the alleles by reconstructing SNP-based haplotypes from resequencing of the most polymorphic exons 2 and 3 of HLA-A, HLA-B and HLA-C. We also determined the impact of SNPs and transcriptional alterations of the genes on CaCx. A high density of SNPs was identified from resequencing. HLA expression was determined by real-time PCR. We identified that even a single associated HLA allele had many underlying SNP-based haplotypes...
March 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28268254/plasma-epstein-barr-virus-dna-for-pediatric-burkitt-lymphoma-diagnosis-prognosis-and-response-assessment-in-malawi
#15
Katherine D Westmoreland, Nathan D Montgomery, Christopher C Stanley, Nader Kim El-Mallawany, Peter Wasswa, Toon van der Gronde, Idah Mtete, Mercy Butia, Salama Itimu, Mary Chasela, Mary Mtunda, Coxcilly Kampani, N George Liomba, Tamiwe Tomoka, Bal M Dhungel, Marcia K Sanders, Robert Krysiak, Peter Kazembe, Dirk P Dittmer, Yuri Fedoriw, Satish Gopal
Point-of-care tools are needed in sub-Saharan Africa (SSA) to improve pediatric Burkitt lymphoma (BL) diagnosis and treatment. We evaluated plasma Epstein-Barr virus (pEBV) DNA as a pediatric BL biomarker in Malawi. Prospectively enrolled children with BL were compared to classical Hodgkin lymphoma (cHL) and non-lymphoma diagnoses. Pediatric BL patients received standardized chemotherapy and supportive care. pEBV DNA was measured at baseline, mid-treatment, and treatment completion. Of 121 assessed children, pEBV DNA was detected in 76/88 (86%) with BL, 16/17 (94%) with cHL, and 2/16 (12%) with non-lymphoma, with proportions higher in BL versus non-lymphoma (p<0...
March 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28268252/the-association-between-metabolic-health-obesity-phenotype-and-the-risk-of-breast-cancer
#16
Yong-Moon Mark Park, Alexandra J White, Hazel B Nichols, Katie M O'Brien, Clarice R Weinberg, Dale P Sandler
Beyond the current emphasis on body mass index (BMI), it is unknown whether breast cancer risk differs between metabolically healthy and unhealthy normal weight or overweight/obese women. The Sister Study is a nationwide prospective cohort study. Data came from 50,884 cohort participants aged 35 to 74 years enrolled from 2003 through 2009. Cox proportional hazards models were used to estimate multivariable adjusted hazard ratios (HR) and 95% confidence intervals (CIs) for breast cancer risk. Metabolic abnormalities considered included: high waist circumference (≥88 cm); elevated blood pressure (≥130/85 mm Hg or antihypertensive medication); previously diagnosed diabetes or antidiabetic drug treatment; and cholesterol-lowering medication use...
March 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28268249/the-turn-of-the-gradient-educational-differences-in-breast-cancer-mortality-in-18-european-populations-during-the-2000s
#17
S Gadeyne, G Menvielle, I Kulhanova, M Bopp, P Deboosere, T A Eikemo, R Hoffmann, K Kovács, M Leinsalu, P Martikainen, E Regidor, J Rychtarikova, T Spadea, B H Strand, C Trewin, B Wojtyniak, J P Mackenbach
This study aims to investigate the association between educational level and breast cancer mortality in Europe in the 2000s. Unlike most other causes of death, breast cancer mortality tends to be positively related to education, with higher educated women showing higher mortality rates. Research has however shown that the association is changing from being positive over non-existent to negative in some countries. To investigate these patterns, data from national mortality registers and censuses were collected and harmonized for 18 European populations...
March 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28268248/dietary-glycemic-and-insulin-scores-and-colorectal-cancer-survival-by-tumor-molecular-biomarkers
#18
NaNa Keum, Chen Yuan, Reiko Nishihara, Emilie Zoltick, Tsuyoshi Hamada, Alejandro Martinez Fernandez, Xuehong Zhang, Akiko Hanyuda, Li Liu, Keisuke Kosumi, Jonathan A Nowak, Iny Jhun, T Rinda Soong, Teppei Morikawa, Fred K Tabung, Zhi Rong Qian, Charles S Fuchs, Jeffrey A Meyerhardt, Andrew T Chan, Kimmie Ng, Shuji Ogino, Edward L Giovannucci, Kana Wu
Accumulating evidence suggests that post-diagnostic insulin levels may influence colorectal cancer (CRC) survival. Yet, no previous study has examined CRC survival in relation to a post-diagnostic diet rich in foods that increase post-prandial insulin levels. We hypothesized that glycemic and insulin scores (index or load; derived from food frequency questionnaire data) may be associated with survival from specific CRC subtypes sensitive to the insulin signaling pathway. We prospectively followed 1,160 CRC patients from the Nurses' Health Study (1980-2012) and Health Professionals Follow-Up Study (1986-2012), resulting in 266 CRC deaths in 10,235 person-years...
March 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28263392/risk-of-hepatotoxicity-in-cancer-patients-treated-with-immune-checkpoint-inhibitors-a-systematic-review-and-meta-analysis-of-published-data
#19
Wenjun Wang, Puyi Lie, Minzhang Guo, Jianxing He
AIMS: Although existing evidence from clinical trials has demonstrated manifestation of hepatic adverse events with the use of immune checkpoint inhibitors (ICPIs), overall risks have yet to be reported. Therefore, we assessed the risk of hepatotoxicity associated with inhibitors of the immune checkpoint Materials and methods: We examined data from the Pubmed, Medline and Google Scholar databases. We also examined original studies and review articles for crossreferences Eligible studies included randomised phase II to phase III trials of cancer patients treated with nivolumab, pembrolizumab, ipilimumab, tremelimumab...
March 6, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28263391/overexpression-of-lipid-metabolism-genes-and-pbx1-in-the-contralateral-breasts-of-women-with-estrogen-receptor-negative-breast-cancer
#20
Jun Wang, Ali Shidfar, David Ivancic, Manish Ranjan, Liannian Liu, Mi-Ran Choi, Vamsi Parimi, Demirkan B Gursel, Megan E Sullivan, Matthew S Najor, Abde M Abukhdeir, Denise Scholtens, Seema A Khan
Risk biomarkers for estrogen receptor (ER)-negative breast cancer have clear value for breast cancer prevention. We previously reported a set of lipid metabolism (LiMe) genes with high expression in the contralateral unaffected breasts (CUBs) of ER-negative cancer cases. We now further examine LiMe gene expression in both tumor and CUB, and investigate the role of Pre-B-cell leukemia homeobox-1 (PBX1) as a candidate common transcription factor for LiMe gene expression. mRNA was extracted from laser-capture microdissected epithelium from tumor and CUB of 84 subjects (28 ER-positive cases, 28 ER-negative cases, 28 healthy controls)...
March 6, 2017: International Journal of Cancer. Journal International du Cancer
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