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https://www.readbyqxmd.com/read/28454424/association-between-polymorphisms-in-tp53-and-mdm2-genes-and-susceptibility-to-prostate-cancer
#1
Mohammad Hashemi, Shadi Amininia, Mahboubeh Ebrahimi, Nasser Simforoosh, Abbas Basiri, Seyed Amir Mohsen Ziaee, Behzad Narouie, Mehdi Sotoudeh, Mohammad Javad Mollakouchekian, Esmaeil Rezghi Maleki, Hamideh Hanafi-Bojd, Maryam Rezaei, Gholamreza Bahari, Mohsen Taheri, Saeid Ghavami
Tumor protein 53 (TP53), a tumor suppressor gene, is a vital cellular cancer suppressor in multicellular organisms. Murine double minute-2 (MDM2) is an oncoprotein that inhibits TP53 activity. A number of studies have examined the association of TP53 and MDM2 polymorphisms with the risk of common forms of cancer, but the findings remain inconclusive. The present study aimed to evaluate the impact of the 40-bp insertion/deletion (I/D) polymorphism (rs3730485) in the MDM2 promoter region and the 16-bp I/D polymorphism (rs17878362) in TP53 on the susceptibility of prostate cancer (PCa) in a sample of the Iranian population...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454375/a-comprehensive-analysis-of-cancer-driving-mutations-and-genes-in-kidney-cancer
#2
Chengmei Long, Jinbo Jian, Xinchang Li, Gongxian Wang, Jingen Wang
An accumulation of driver mutations is important for cancer formation and progression, and leads to the disruption of genes and signaling pathways. The identification of driver mutations and genes has been the subject of numerous previous studies. The present study was performed to identify cancer-driving mutations and genes in renal cell carcinoma (RCC), prioritizing noncoding variants with a high functional impact, in order to analyze the most informative features. Sorting Intolerant From Tolerant (SIFT), Polymorphism Phenotyping version 2 (Polyphen2) and MutationAssessor were applied to predict deleterious mutations in the coding genome...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454095/association-between-psca-gene-polymorphisms-and-the-risk-of-cancer-an-updated-meta-analysis-and-trial-sequential-analysis
#3
Zhiqiang Qin, Jingyuan Tang, Xiao Li, Yajie Yu, Chuanjie Zhang, Peng Han, Ran Li, Xuping Jiang, Chengdi Yang, Wei Wang, Min Tang, Wei Zhang
Previous studies have investigated the relationships between PSCA rs2294008 C>T and rs2976392 G>A polymorphisms and cancer susceptibility. However, the available findings remained inconsistent and even controversial. Thus, the aim of this meta-analysis was performed to clarify such associations. The online databases PubMed, EMBASE and Web of Science searched for relevant studies, covering all the papers published until September 1st, 2016. Data were pooled by odds ratios (ORs) with 95% confidence intervals (CIs) to evaluate the strength of such associations...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454086/association-between-genetic-variants-and-esophageal-cancer-risk
#4
Chenli Yue, Miao Li, Chenxing Da, Hongtao Meng, Shaomin Lv, Xinhan Zhao
We investigated whether single nucleotide polymorphisms (SNPs) in the nuclear assembly factor 1 (NAF1) and TNFAIP3-interacting protein 1 (TNIP1) gene were associated with susceptibility to esophageal cancer in a Chinese Han population. Five SNPs were genotyped and their relationship with esophageal cancer risk was analyzed in a sample of 386 esophageal cancer patients and 495 unrelated healthy controls recruited from the First Affiliated Hospital of Xi'an Jiaotong University. Patients with the AG genotype of rs2320615 were at lower risk of developing esophageal cancer than those with the GG genotype (adjusted odds ratio [OR] = 0...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28453960/implication-of-a-novel-gla-containing-protein-gas6-in-the-pathogenesis-of-insulin-resistance-impaired-glucose-homeostasis-and-inflammation-a-review
#5
REVIEW
Anjum Dihingia, Jatin Kalita, Prasenjit Manna
Growth arrest specific 6 (Gas6), a vitamin K-dependent protein plays a significant role in the regulation of cellular homeostasis via binding with TAM-receptor tyrosine kinases. Several studies reported the role of Gas6 in cancer, glomerular injury, obesity, and inflammation, however, very little is known about its role in insulin resistance (IR) and impaired glucose metabolism. Majority of the studies reported an inverse correlation of Gas6 protein levels or gene polymorphism with plasma glucose, HbA1c, IR, and inflammatory cytokines among type 2 diabetes (T2D) and obese subjects...
April 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28453702/a-phase-2-randomized-double-blind-placebo-%C3%A2-controlled-study-of-chemo-immunotherapy-combination-using-motolimod-with-pegylated-liposomal-doxorubicin-in-recurrent-or-persistent-ovarian-cancer-a-gynecologic-oncology-group-partners-study
#6
B J Monk, M F Brady, C Aghajanian, H A Lankes, T Rizack, J Leach, J M Fowler, R Higgins, P Hanjani, M Morgan, R Edwards, W Bradley, T Kolevska, P Foukas, E M Swisher, K S Anderson, R Gottardo, J K Bryan, M Newkirk, K L Manjarrez, R S Mannel, R M Hershberg, G Coukos
Background: A phase 2, randomized, placebo-controlled trial was conducted in women with recurrent epithelial ovarian carcinoma to evaluate the efficacy and safety of motolimod-a Toll-like receptor 8 (TLR8) agonist that stimulates robust innate immune responses-combined with pegylated liposomal doxorubicin (PLD), a chemotherapeutic that induces immunogenic cell death. Patients and methods: Women with ovarian, fallopian tube, or primary peritoneal carcinoma were randomized 1 : 1 to receive PLD in combination with blinded motolimod or placebo...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28453695/genetic-variants-of-dna-repair-related-genes-predict-efficacy-of-tas-102-in-patients-with-refractory-metastatic-colorectal-cancer
#7
M Suenaga, M Schirripa, S Cao, W Zhang, D Yang, S Murgioni, D Rossini, F Marmorino, A Mennitto, Y Ning, S Okazaki, M D Berger, Y Miyamoto, R Gopez, A Barzi, T Yamaguchi, F Loupakis, H-J Lenz
Background: Tri-phosphorylated trifluridine (FTD) incorporation into DNA is TAS-102's main anti-tumor action. We tested whether genetic polymorphisms in homologous recombination (HR) and cell cycle checkpoint pathway for DNA repair is associated with outcomes in refractory metastatic colorectal cancer (mCRC) patients treated with TAS-102. Patients and methods: We analyzed genomic DNA extracted from 233 samples of three cohorts: an evaluation cohort of 52 patients receiving TAS-102, a validation cohort of 129 patients receiving TAS-102 and a control cohort of 52 patients receiving regorafenib...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28453551/associations-between-cytokine-gene-polymorphisms-and-susceptibility-to-helicobacter-pylori-infection-and-helicobacter-pylori-related-gastric-cancer-peptic-ulcer-disease-a-meta-analysis
#8
Jingjing Ma, Dandan Wu, Xue Hu, Jiao Li, Mingwei Cao, Weiguo Dong
OBJECTIVES: The aim of this study is to clarify the associations between IL-1B31C/T, IL-1B-511C/T, IL-8-251T/A gene polymorphisms and the risk of Helicobacter pylori (H. pylori) infection together with H. pylori-related gastric cancer (GC), peptic ulcer disease (PUD). METHODS: All eligible literature published up to July 2016 were identified by searching Pubmed, Embase, Web of Science and CNKI. Pooled odds ratio (OR) and 95% confidence interval (95% CI) were calculated using a fixed or random effects model...
2017: PloS One
https://www.readbyqxmd.com/read/28448977/is-human-oxoguanine-glycosylase-1-genetic-variant-successful-even-on-oral-squamous-cell-carcinoma
#9
Levent Aydemir, Elif Sinem Bireller, Hakan Avci, Zeynep Boy Metin, Kemal Deger, Meral Unur, Bedia Cakmakoglu
BACKGROUND: Oral squamous cell carcinoma (OSCC) is one of the most widespread cancer types that arise from different sites of oral cavity and has a 5-year survival rate. This study is aimed at investigating the human oxoguanine glycosylase 1 (hOGG1)-Ser326Cys and APE-Asp148Glu polymorphisms of DNA repair genes in OSCC. MATERIALS AND METHODS: We investigated the hOGG1-Ser326Cys and APE-Asp148Glu polymorphisms of DNA repair genes in the oral cavity. Genotyping was conducted using polymerase chain reaction-restriction fragment length polymorphism analysis based on 132 patients who were diagnosed as having OSCC and 160 healthy subjects...
April 28, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28447726/a-three-caller-pipeline-for-variant-analysis-of-cancer-whole-exome-sequencing-data
#10
Ze-Kun Liu, Yu-Kui Shang, Zhi-Nan Chen, Huijie Bian
Rapid advancements in next generation sequencing (NGS) technologies, coupled with the dramatic decrease in cost, have made NGS one of the leading approaches applied in cancer research. In addition, it is increasingly used in clinical practice for cancer diagnosis and treatment. Somatic (cancer‑only) single nucleotide variants and small insertions and deletions (indels) are the simplest classes of mutation, however, their identification in whole exome sequencing data is complicated by germline polymorphisms, tumor heterogeneity and errors in sequencing and analysis...
March 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28445984/paraoxonase-1-gene-polymorphisms-are-associated-with-an-increased-risk-of-breast-cancer-in-a-population-of-chinese-women
#11
Junrong Wu, Min Fang, Xiaoping Zhou, Bo Zhu, Zhi Yang
In this study, we explored associations between paraoxonase 1 (PON1) L55M and Q192R gene polymorphisms and the risk of breast cancer in 365 female breast cancer patients and 378 healthy controls from the Guangxi region of southern China. The LM heterozygous and MM homozygous genotypes, as well as M carrier status and M alleles, were associated with an increased risk of breast cancer. In addition, the M allele was associated with postmenopausal status and increased nodal involvement. In contrast, none of the Q192R genotypes or alleles were associated with a change in breast cancer risk, or with any of the clinicopathological parameters...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445979/the-impacts-of-single-nucleotide-polymorphisms-in-genes-of-cell-cycle-and-nf-kb-pathways-on-the-efficacy-and-acute-toxicities-of-radiotherapy-in-patients-with-nasopharyngeal-carcinoma
#12
Chengxian Guo, Yuling Huang, Jingjing Yu, Lijuan Liu, Xiaochang Gong, Min Huang, Chunling Jiang, Yulu Liao, Lihua Huang, Guoping Yang, Jingao Li
Radiotherapy is one of the primary choices for the treatment of nasopharyngeal carcinoma (NPC) and may result in severe radiotoxicities on normal tissues. Single nucleotide polymorphisms (SNPs) in genes of cell cycle and NF-κB pathways have been linked with the prognoses of various cancers. The aim of this study was to explore whether SNPs of genes involved in cell cycle and NF-κB pathways are associated with responses to radiotherapy in NPC patients. We selected 3 SNPs in cell cycle pathway and 5 SNPs in NF-κB pathway and genotyped them in 154 NPC patients treated with radiotherapy...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445975/functional-fgfr4-gly388arg-polymorphism-contributes-to-cancer-susceptibility-evidence-from-meta-analysis
#13
Si-Wei Xiong, Jianqun Ma, Fen Feng, Wen Fu, Shan-Rong Shu, Tianjiao Ma, Caixia Wu, Guo-Chang Liu, Jinhong Zhu
Fibroblast growth factor receptor 4 (FGFR4) is a member of receptor tyrosine kinase family. A functional Gly388Arg (rs351855 G>A) polymorphism in FGFR4 gene causes a glycine-to-arginine change at codon 388 within the transmembrane domain of the receptor. Although the FGFR4 rs351855 G>A polymorphism has been implicated in cancer development, its association with cancer risk remains controversial. Here, we have systematically analyzed the association between the rs351855 G>A polymorphism and cancer risk by performing a meta-analysis of 27 studies consisting of 8,682 cases and 9,731 controls...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445963/genetic-polymorphisms-of-bcl-2-promoter-in-cancer-susceptibility-and-prognosis-a-meta-analysis
#14
Zhongqiang Yao, Binhui Yang, Zhongqiu Liu, Wei Li, Qihua He, Xingchun Peng
Bcl-2 is critical for tumorigenesis. However, previous studies on the association of Bcl-2 promoter polymorphisms with predisposition to different cancer types are somewhat contradictory. Therefore, we performed this meta-analysis regarding the relationship between Bcl-2 promoter single nucleotide polymorphisms (SNPs) and cancer susceptibility and prognosis. Up to August 2016, 32 original publications were identified covering two Bcl-2 promoter SNPs (rs2279115 and rs1801018). Our results showed statistically significant association between rs2279115 and cancer susceptibility and prognosis in all four genetic models but not in rs1801018...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445865/associations-between-lmo1-gene-polymorphisms-and-wilms-tumor-susceptibility
#15
Guo-Chang Liu, Zhen-Jian Zhuo, Shi-Bo Zhu, Jinhong Zhu, Wei Jia, Zhang Zhao, Jin-Hua Hu, Jing He, Feng-Hua Wang, Wen Fu
Wilms' tumor is the most common childhood renal malignancy. A genome-wide association study identified LIM domain only 1 (LMO1) as having oncogenic potential. We examined the associations between LMO1 gene polymorphisms and susceptibility to Wilms' tumor. In this hospital-based, case-control study, we recruited 145 children with Wilms' tumor and 531 cancer-free children. Four polymorphisms (rs110419 A>G, rs4758051 G>A, rs10840002 A>G and rs204938 A>G) were genotyped using Taqman methodology. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to measure the associations between selected polymorphisms and Wilms' tumor susceptibility...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445522/revealing-phenotype-associated-functional-differences-by-genome-wide-scan-of-ancient-haplotype-blocks
#16
Ritsuko Onuki, Rui Yamaguchi, Tetsuo Shibuya, Minoru Kanehisa, Susumu Goto
Genome-wide scans for positive selection have become important for genomic medicine, and many studies aim to find genomic regions affected by positive selection that are associated with risk allele variations among populations. Most such studies are designed to detect recent positive selection. However, we hypothesize that ancient positive selection is also important for adaptation to pathogens, and has affected current immune-mediated common diseases. Based on this hypothesis, we developed a novel linkage disequilibrium-based pipeline, which aims to detect regions associated with ancient positive selection across populations from single nucleotide polymorphism (SNP) data...
2017: PloS One
https://www.readbyqxmd.com/read/28445260/association-of-caga-epiya-d-or-epiya-c-phosphorylation-sites-with-peptic-ulcer-and-gastric-cancer-risks-a-meta-analysis
#17
Qiuping Li, Jingwei Liu, Yuehua Gong, Yuan Yuan
BACKGROUND: Increasingly, studies have focused on the relationship between Helicobacter pylori (H pylori) cytotoxin associated gene A protein (CagA) Glu-Pro-Ile-Tyr-Ala (EPIYA)-D motifs or multiple EPIYA-C phosphorylation sites and peptic ulcer disease (PUD) or gastric cancer (GC) risk. However, the conclusions have been inconsistent. The aim of this meta-analysis was to evaluate whether 1 CagA EPIYA-D motif or multiple EPIYA-C phosphorylation sites were associated with PUD or GC risk...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28443466/promoter-methylation-and-gene-polymorphism-are-two-independent-events-in-regulation-of-gstp1-gene-expression
#18
Aaliya Bhat, A Masood, K A Wani, Younus Ahmad Bhat, Bushra Nissar, Nuzhat Shaheen Khan, B A Ganai
Breast carcinogenesis is a multistep process, involving both genetic and epigenetic modification process of genes, involved in diverse pathways ranging from DNA repair to metabolic processes. This study was undertaken to assess the role of promoter methylation of GSTP1 gene, a member of glutathione-S-transferase family of enzymes, in relation to its expression, polymorphism, and clinicopathological parameters. Tissue samples were taken from breast cancer patients and paired with their normal adjacent tissues...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28443323/prevalence-of-ctr1-and-ercc1-polymorphisms-and-response-of-biliary-tract-cancer-to-gemcitabine-platinum-chemotherapy
#19
Skolchart Pongmaneratanakul, Suebpong Tanasanvimon, Thitima Pengsuparp, Nutthada Areepium
Purpose: Biliary tract cancer (BTC)is an aggressive disease with a poor prognosis. Most patients are diagnosed at an advanced stage for which curative surgery is not possible and gemcitabine-platinum chemotherapy is the treatment of choice for advanced cases. Several studies had focused on biomarkers to predict response from platinum drugs in lung cancer, but information is limited for BTC. In this study, two single nucleotide polymorphisms (SNPs) in the copper transporter (CTR1) and excision repair cross-complementary group 1 (ERCC1) genes were investigated as predictive biomarkers of objective response to gemcitabine-platinum...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28442702/effect-of-gstp1-and-abcc2-polymorphisms-on-treatment-response-in-patients-with-advanced-non-small-cell-lung-cancer-undergoing-platinum-based-chemotherapy-a-study-in-a-chinese-uygur-population
#20
Zhi-Gang Han, Jie Tao, Ting-Ting Yu, Li Shan
BACKGROUND Gene polymorphisms are associated with sensitivity to platinum drugs. This study aimed to investigate the polymorphisms of GSTP1 rs1695 locus and ABCC2 rs717620 locus, and the sensitivity of patients with advanced non-small cell lung cancer (NSCLC) to platinum drugs in a Xinjiang Uygur population. MATERIAL AND METHODS The gene polymorphisms of GSTP1 rs1695 and ABCC2 rs717620 of Uygur NSCLC patients were assessed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The relationship between the prognosis of advanced NSCLC Uygur patients and the gene polymorphisms of GSTP1 rs1695 and ABCC2 rs717620 was analyzed using progression-free survival (PFS) and overall survival (OS) as the major outcome indicators...
April 26, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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