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Prostate cancer SNP

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https://www.readbyqxmd.com/read/29695400/admixture-mapping-links-racgap1-regulation-to-prostate-cancer-in-african-americans
#1
Bradford D Wilson, Luisel J Ricks-Santi, Tshela E Mason, Muneer Abbas, Rick A Kittles, Georgia M Dunston, Yasmine M Kanaan
BACKGROUND/AIM: Prostate cancer is the most common malignancy in US males. African American men have higher incidence and mortality rates than European Americans. Five single nucleotide polymorphisms are associated with PCa. We hypothesized haplotypes inferred from these SNPs are also associated with PCa. PATIENTS AND METHODS: We genotyped SNPs in a case-control admixture mapping study. SNP haplotypes inferred for 157 PCa cases and 150 controls were used in the regression analysis...
May 2018: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/29502932/machine-learning-on-a-genome-wide-association-study-to-predict-late-genitourinary-toxicity-after-prostate-radiation-therapy
#2
Sangkyu Lee, Sarah Kerns, Harry Ostrer, Barry Rosenstein, Joseph O Deasy, Jung Hun Oh
PURPOSE: Late genitourinary (GU) toxicity after radiation therapy limits the quality of life of prostate cancer survivors; however, efforts to explain GU toxicity using patient and dose information have remained unsuccessful. We identified patients with a greater congenital GU toxicity risk by identifying and integrating patterns in genome-wide single nucleotide polymorphisms (SNPs). METHODS AND MATERIALS: We applied a preconditioned random forest regression method for predicting risk from the genome-wide data to combine the effects of multiple SNPs and overcome the statistical power limitations of single-SNP analysis...
May 1, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29434975/validation-of-the-novel-susceptibility-loci-for-prostate-cancer-in-a-chinese-population
#3
Yishuo Wu, Haitao Chen, Ying Ji, Rong Na, Zengnan Mo, Dingwei Ye, Meilin Wang, Jun Qi, Xiaoling Lin, Qiang Ding, Jianfeng Xu, S Lilly Zheng, Yinghao Sun, Wei Meng
The present study evaluated 23 newly identified susceptibility loci for prostate cancer (PCa) in a Chinese population and assessed whether any validated loci were associated with the genetic risk score (GRS) of PCa in a Chinese population. A total of 1,417 patients with PCa and 1,008 controls were recruited in the present study. The association of each single nucleotide polymorphism (SNP) with PCa risk and PCa aggressiveness was analyzed. The predictive ability of two GRSs based on 30 SNPs (GRS30) and the 9 most significant SNPs (GRS9) in the Chinese population were also compared...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29423095/decrease-in-psca-expression-caused-by-helicobacter-pylori-infection-may-promote-progression-to-severe-gastritis
#4
Osamu Toyoshima, Chizu Tanikawa, Ryuta Yamamoto, Hidenobu Watanabe, Hiroharu Yamashita, Kosuke Sakitani, Shuntaro Yoshida, Michiaki Kubo, Keitaro Matsuo, Hidemi Ito, Kazuhiko Koike, Yasuyuki Seto, Koichi Matsuda
SNP rs2294008 in Prostate Stem Cell Antigen ( PSCA ) and decreased PSCA expression are associated with gastric cancer. The objective of this study is to investigate the role of rs2294008 and PSCA expression in the gastritis-gastric cancer carcinogenic pathway. We conducted a case-control association study of H. pylori -infected gastritis and gastric cancer. rs2294008 was associated with the progression to chronic active gastritis ( P = 9.4 × 10-5 ; odds ratio = 3.88, TT + TC vs CC genotype), but not with H...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29412547/pca3-rs544190g-a-and-prostate-cancer-risk-in-an-eastern-chinese-population
#5
Dalong Cao, Chengyuan Gu, Dingwei Ye, Bo Dai, Yao Zhu
BACKGROUND: The association of prostate cancer antigen 3 (PCA3) polymorphism (SNP, rs544190G>A) with metastatic prostate cancer in European descent has been reported. Our aim of the current study was to re-validate the effect of PCA3 polymorphism on prostate cancer risk in an Eastern Chinese population and then estimate possible genetic discrepancies among population. MATERIALS AND METHODS: Taqman assay was employed to determine genotype of SNP rs544190 in 1015 ethnic Han Chinese patients with prostate cancer and 1032 cancerfree controls...
February 8, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29318656/circadian-genes-and-risk-of-prostate-cancer-in-the-prostate-cancer-prevention-trial
#6
Lisa W Chu, Cathee Till, Baiyu Yang, Catherine M Tangen, Phyllis J Goodman, Kai Yu, Yong Zhu, Summer Han, Ashraful M Hoque, Christine Ambrosone, Ian Thompson, Robin Leach, Ann W Hsing
Circadian genes have been considered as a possible biological mechanism for the observed relationship between circadian rhythm disruptions and increased risk of hormone-related cancers. In the current study, we investigated the relationship between circadian gene variants and prostate cancer risk and whether reducing bioavailable testosterone modifies the circadian genes-prostate cancer relationship. We conducted a nested case-control study among Caucasian men in the Prostate Cancer Prevention Trial (PCPT), a randomized placebo-controlled clinical trial to assess if finasteride (an androgen bioactivation inhibitor) could prevent prostate cancer...
March 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29228579/a-genetic-variant-in-slc28a3-rs56350726-is-associated-with-progression-to-castration-resistant-prostate-cancer-in-a-korean-population-with-metastatic-prostate-cancer
#7
Jung Ku Jo, Jong Jin Oh, Yong Tae Kim, Hong Sang Moon, Hong Yong Choi, Seunghyun Park, Jin-Nyoung Ho, Sungroh Yoon, Hae Young Park, Seok-Soo Byun
Background: Genetic variation which related with progression to castration-resistant prostate cancer (CRPC) during androgen-deprivation therapy (ADT) has not been elucidated in patients with metastatic prostate cancer (mPCa). Therefore, we assessed the association between genetic variats in mPCa and progession to CRPC. Results: Analysis of exome genotypes revealed that 42 SNPs were significantly associated with mPCa. The top five polymorphisms were statistically significantly associated with metastatic disease...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29187884/a-single-nucleotide-polymorphism-in-hpgd-gene-is-associated-with-prostate-cancer-risk
#8
Xiaofei Qi, Yu Wang, Jianquan Hou, Yuhua Huang
Introduction: The HPGD gene was associated with some cancers, such as colorectal, breast, prostate, and bladder. However, detailed role of 15-hydroxyprostaglandin dehydrogenase ( HPGD ) gene remain unclear in prostate cancer. The study was to investigate the correlation between rs8752 that located in the 3'untranslated region (UTR) of the 15-hydroxyprostaglandin dehydrogenase ( HPGD ) gene and prostate cancer (PCa) risk. Materials and Methods: 109 patients from the First Affiliate Hospital of Soochow University were recruited...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29181843/genetic-factors-influencing-prostate-cancer-risk-in-norwegian-men
#9
Haitao Chen, Charles M Ewing, Sigun Zheng, Eli M Grindedaal, Kathleen A Cooney, Kathleen Wiley, Srdjan Djurovic, Ole A Andreassen, Karol Axcrona, Ian G Mills, Jianfeng Xu, Lovise Maehle, Sophie D Fosså, William B Isaacs
Norway has one of the highest rates of death due to prostate cancer (PCa) in the world. To assess the contribution of both common and rare single nucleotide variants (SNPs) to the prostate cancer burden in Norway, we assessed the frequency of the established prostate cancer susceptibility allele, HOXB13 G84E, as well as a series of validated, common PCa risk SNPs in a Norwegian PCa population of 779 patients. The G84E allele was observed in 2.3% of patients compared to 0.7% of control individuals, OR = 3...
February 2018: Prostate
https://www.readbyqxmd.com/read/29165714/blood-lipid-genetic-scores-the-hmgcr-gene-and-cancer-risk-a-mendelian-randomization-study
#10
Marju Orho-Melander, George Hindy, Signe Borgquist, Christina-Alexandra Schulz, Jonas Manjer, Olle Melander, Tanja Stocks
Background: It is unclear whether there are causal associations between blood lipids, statin use and cancer risks. Under certain assumptions, Mendelian randomization analysis of a genetic marker for an exposure eliminates reverse causation and confounding. Methods: We applied Mendelian randomization analysis to genetic scores, comprising 26-41 single-nucleotide polymorphisms (SNPs), as instrumental variables (IVs) for triglycerides and low- and high-density lipoprotein cholesterol (LDLC, HDLC), using a prospective cohort of 26 904 individuals in which there were 6607 incident cancers...
April 1, 2018: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29114882/a-comprehensive-analysis-of-polymorphic-variants-in-steroid-hormone-and-igf-1-metabolism-and-risk-of-in-situ-breast-cancer-results-from-the-breast-and-prostate-cancer-cohort-bpc3-consortium
#11
Myrto Barrdahl, Federico Canzian, Mia M Gaudet, Susan M Gapstur, Antonia Trichopoulou, Kostas Tsilidis, Carla H van Gils, Signe Borgquist, Elisabete Weiderpass, Kay-Tee Khaw, Graham G Giles, Roger L Milne, Loic Le Marchand, Christopher Haiman, Sara Lindström, Peter Kraft, David J Hunter, Regina Ziegler, Stephen J Chanock, Xiaohong R Yang, Julie E Buring, I-Min Lee, Rudolf Kaaks, Daniele Campa
We assessed the association between 1,414 single nucleotide polymorphisms (SNPs) in genes involved in synthesis and metabolism of steroid hormones and IGF-1, and risk of breast cancer in situ (BCIS), with the aim of determining whether any of these were disease specific. This was done using 1,062 BCIS cases and 10,126 controls as well as 6,113 invasive breast cancer cases from the Breast and Prostate Cancer Cohort Consortium (BPC3). Three SNPs showed at least one nominally significant association in homozygous minor versus homozygous major models...
November 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29111564/relationship-between-xpd-rad51-and-apex1-dna-repair-genotypes-and-prostate-cancer-risk-in-the-male-population-of-rio-de-janeiro-brazil
#12
Ana Sheila Cypriano, Gilda Alves, Antonio Augusto Ornellas, José Scheinkman, Renata Almeida, Luciano Scherrer, Claudia Lage
Susceptibility to cancer ensues in individuals carrying malfunctioning DNA repair mechanisms. The impact of Single Nucleotide Polymorphisms (SNPs) in key DNA repair mechanisms on risk for prostate cancer was investigated in this case-control study. Samples consisted of 110 patients with confirmed prostate cancer and 200 unaffected men, from Rio de Janeiro, Brazil. XPD/Lys751Gln (rs13181), APEX1/Asp148Glu (rs1130409), and RAD51/G135C (rs1801320) SNPs were analyzed by PCR-RFLP. Allelic and genotypic frequencies were calculated and compared by Chi-Square test...
October 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/29104488/cancer-stem-cell-gene-variants-predict-disease-recurrence-in-patients-treated-with-radical-prostatectomy-for-prostate-cancer
#13
Victor C Lin, Shu-Pin Huang, Chao-Yuan Huang, Chia-Cheng Yu, Hsin-Ling Yin, Tsung-Yi Huang, Cheng-Hsueh Lee, Te-Ling Lu, Bo-Ying Bao
Background: Cancer stem cells (CSCs) are involved in tumor progression and drug resistance. We hypothesized that variants in CSC marker genes influence treatment outcomes in prostate cancer. Methods: Ten potentially functional single nucleotide polymorphisms (SNPs) in seven prostate CSC marker genes, TACSTD2 , PROM1 , ITGA2 , POU5F1 , EZH2 , PSCA , and CD44 , were selected for analysis of their association with disease recurrence by Kaplan-Meier analysis and Cox regression in a cohort of 320 patients with localized prostate cancer receiving radical prostatectomy...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29027195/tspyl-family-regulates-cyp17a1-and-cyp3a4-expression-potential-mechanism-contributing-to-abiraterone-response-in-metastatic-castration-resistant-prostate-cancer
#14
Sisi Qin, Duan Liu, Manish Kohli, Liguo Wang, Peter T Vedell, David W Hillman, Nifang Niu, Jia Yu, Richard M Weinshilboum, Liewei Wang
The testis-specific Y-encoded-like protein (TSPYL) gene family includes TSPYL1 to TSPYL6. We previously reported that TSPYL5 regulates cytochrome P450 (CYP) 19A1 expression. Here we show that TSPYLs, especially TSPYL 1, 2, and 4, can regulate the expression of many CYP genes, including CYP17A1, a key enzyme in androgen biosynthesis, and CYP3A4, an enzyme that catalyzes the metabolism of abiraterone, a CYP17 inhibitor. Furthermore, a common TSPYL1 single nucleotide polymorphism (SNP), rs3828743 (G/A) (Pro62Ser), abolishes TSPYL1's ability to suppress CYP3A4 expression, resulting in reduced abiraterone concentrations and increased cell proliferation...
October 13, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28978014/meta-analysis-of-association-between-rs1447295-polymorphism-and-prostate-cancer-susceptibility
#15
Juan Zhou, Yang Yu, Anyou Zhu, Fengchao Wang, Shuxia Kang, Yunfeng Pei, Chunping Cao, Chen Ding, Duping Wang, Li Sun, Guoping Niu
AIMS: A number of studies have found that the single nucleotide polymorphisms (SNPs) within the 8q24 region of genome were associated with the susceptibility of prostate cancer. Association between 8q24 SNP variant rs1447295 and higher risk of prostate cancer had been investigated, but those studies were incomplete and the conclusions were obscure. METHODS: To better elucidate the relationship between rs1447295 polymorphism and the susceptibility of prostate cancer, we performed a more comprehensive meta-analysis about the association between rs1447295 polymorphism and prostate cancer susceptibility by collecting relevant articles published up to November, 2016 and excluding many replicated cohort data existing in previous reports, which made the conclusion more reliant and objective...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28882566/genetic-variations-in-ugt2b28-ugt2b17-ugt2b15-genes-and-the-risk-of-prostate-cancer-a-case-control-study
#16
Mohsen Habibi, Reza Mirfakhraie, Maryam Khani, Azadeh Rakhshan, Eznollah Azargashb, Farkhondeh Pouresmaeili
Glucuronidation is a major pathway for elimination of exogenous and endogenous compounds such as environmental carcinogens and androgens from the body. This biochemical pathway is mediated by enzymes called uridine diphosphoglucuronosyltransferases (UGTs). Null (del/del) genes polymorphisms in UGT2B17, and UGT2B28 and D85Y single-nucleotide polymorphism (SNP) of UGT2B15 have been reported to increase the risk of prostate cancer. The goal of this study was to determine the association of mentioned genetic variants with the risk of prostate cancer...
November 15, 2017: Gene
https://www.readbyqxmd.com/read/28844157/validation-of-genetic-predictors-of-late-radiation-induced-morbidity-in-prostate-cancer-patients
#17
Line M H Schack, Stine E Petersen, Steffen Nielsen, Lilly Lundby, Morten Høyer, Lise Bentzen, Jens Overgaard, Christian N Andreassen, Jan Alsner
INTRODUCTION: Normal tissue morbidity sets the dose limit for radiotherapy (RT) in cancer treatment and has importance for quality of life for cancer survivors. A previous study of prostate cancer patients treated with RT generated clinical data for radiation-induced morbidity measured by anorectal physiological methods and validated questionnaires. Other studies have identified genetic predictors associated with late radiation-induced morbidity outcome. We have expanded biobank material aiming to validate single nucleotide polymorphisms (SNPs) and a gene expression classifier with endpoints on patient-reported outcomes and biomechanical properties of the anorectum from our cohort matching originally published endpoints...
November 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28827750/risk-model-for-prostate-cancer-using-environmental-and-genetic-factors-in-the-spanish-multi-case-control-mcc-study
#18
Inés Gómez-Acebo, Trinidad Dierssen-Sotos, Pablo Fernandez-Navarro, Camilo Palazuelos, Víctor Moreno, Nuria Aragonés, Gemma Castaño-Vinyals, Jose J Jiménez-Monleón, Jose Luis Ruiz-Cerdá, Beatriz Pérez-Gómez, José Manuel Ruiz-Dominguez, Jessica Alonso Molero, Marina Pollán, Manolis Kogevinas, Javier Llorca
Prostate cancer (PCa) is the second most common cancer among men worldwide. Its etiology remains largely unknown compared to other common cancers. We have developed a risk stratification model combining environmental factors with family history and genetic susceptibility. 818 PCa cases and 1,006 healthy controls were compared. Subjects were interviewed on major lifestyle factors and family history. Fifty-six PCa susceptibility SNPs were genotyped. Risk models based on logistic regression were developed to combine environmental factors, family history and a genetic risk score...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819847/negative-enrichment-and-isolation-of-circulating-tumor-cells-for-whole-genome-amplification
#19
Nisha Kanwar, Susan J Done
Circulating tumor cells (CTCs) are a rare population of cells found in the peripheral blood of patients with many types of cancer such as breast, prostate, colon, and lung cancers. Higher numbers of these cells in blood are associated with a poorer prognosis of patients. Genomic profiling of CTCs would help characterize markers specific for the identification of these cells in blood, and also define genomic alterations that give these cells a metastatic advantage over other cells in the primary tumor. Here, we describe an immunomagnetic method to enrich CTCs from the blood of patients with breast cancer, followed by single-cell laser capture microdissection to isolate single CTCs...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28764147/study-of-vitamin-d-receptor-gene-polymorphism-foki-taqi-and-apai-among-prostate-cancer-patients-in-north-india
#20
Pankaj Ramrao Kambale, Deepa Haldar, B C Kabi, Kalpana Pankaj Kambale
INTRODUCTION: Incidence of prostate cancer is rising worldwide. Multiple factors have been suggested for the aetiology of prostate cancer including ethnic, genetic and diet. Vitamin D (calcitriol) has been shown to have role in cell growth and differentiation and its deficiency is implicated as one of the aetiological factors in prostate cancer. Prostatic epithelial cells express Vitamin D Receptor (VDR) as well as 1α- hydroxylase enzyme that are required for the synthesis of calcitriol and its action...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
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