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Cancer susceptibility

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https://www.readbyqxmd.com/read/29227909/navigating-the-no-man-s-land-of-tki-failed-egfr-mutated-non-small-cell-lung-cancer-nsclc-a-review
#1
REVIEW
Bryan Oronsky, Patrick Ma, Tony R Reid, Pedro Cabrales, Michelle Lybeck, Arnold Oronsky, Neil Oronsky, Corey A Carter
As the leading cause of cancer-related mortality, lung cancer is a worldwide health issue that is overwhelmingly caused by smoking. However, a substantial minority (~25%) of patients with non-small cell lung cancer (NSCLC) has never smoked. In these patients, activating mutations of the epidermal growth factor receptor (EGFR) are more likely, which render their tumors susceptible for a finite period to treatment with EGFR tyrosine kinase inhibitors (TKIs) and confer a better prognosis than EGFR wild-type NSCLC...
December 8, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29227754/genetic-variant-in-mir-124-decreased-the-susceptibility-to-esophageal-squamous-cell-carcinoma-in-a-chinese-kazakh-population
#2
Fei Wu, Mei Li, Weiyan You, Yu Ji, Xiaobin Cui, Jianming Hu, Yunzhao Chen, Lijuan Pang, Shugang Li, Yutao Wei, Lan Yang, Feng Li
AIMS: Esophageal squamous cell carcinoma (ESCC) is characterized by high prevalence and mortality worldwide, and it is very highly prevalent in China. ESCC is caused by various factors, including microRNAs (miRNAs) whose expression have been shown to play a major role in tumor generation. Single nucleotide polymorphisms (SNPs) in miRNAs could affect susceptibility to numerous cancers. This study aimed to evaluate the relationship between SNPs in miR-124 and ESCC risk in the Chinese Kazakh population...
December 11, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29227538/abberent-expression-of-nor1-protein-in-tumor-associated-macrophages-contributes-to-the-development-of-den-induced-hepatocellular-carcinoma
#3
Shengnan Chen, Pan Zheng, Wei Wang, Mei Yi, Pan Chen, Jing Cai, Junjun Li, Qian Peng, Yuanyuan Ban, Ying Zhou, Zhaoyang Zeng, Xiaoling Li, Wei Xiong, Guiyuan Li, Bo Xiang
Hepatocellular carcinoma (HCC) is the most common primary tumor of the liver and the sixth most common lethal cancer worldwide. Recent evidences demonstrated that oxidored nitro domain containing protein 1(NOR1), a putative tumor suppressor gene, is overexpressed in human HCC tissues. However, the role of NOR1 in HCC development remains unclear. Here, we described that NOR1 protein level is elevated in HCC and is associated with poorer clinical outcome. However, ecotopic overexpression of NOR1 protein in human HCC cell line HepG2 cells had no effect on cells proliferation, migration and clonality...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29226320/breast-cancer-associated-mitochondrial-dna-haplogroup-promotes-neoplastic-growth-via-ros-mediated-akt-activation
#4
Lin Ma, Qingzi Fu, Bing Xu, Huaibin Zhou, Jing Gao, Xiaoli Shao, Jingting Xiong, Qianru Gu, Shumeng Wen, Fengjie Li, Lijun Shen, Guorong Chen, Hezhi Fang, Jianxin Lyu
In the last decade, mitochondrial DNA (mtDNA) haplogroups have been associated with the occurrence of breast cancer. However, the underlying mechanism is not known. Combining a case-control study with a large cohort of women from Southern China with breast cancer and functional analyses with trans-mitochondrial technology, we demonstrate that the D5 haplogroup is associated with an increased risk of breast cancer [odds ratio (OR) = 2.789; 95% confidence interval (CI) [1.318, 5.901]; P = 0.007]. Further, mitochondrial respiration, mitochondrial ATP content, and membrane potential, were lower in both bone osteosarcoma and breast cancer cell models of cytoplasmic hybrids (cybrids) containing the mtDNA D5 haplogroup than in those with non-D5 haplogroups...
December 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29225919/multiple-common-and-rare-variants-of-abcg2-cause-gout
#5
Toshihide Higashino, Tappei Takada, Hirofumi Nakaoka, Yu Toyoda, Blanka Stiburkova, Hiroshi Miyata, Yuki Ikebuchi, Hiroshi Nakashima, Seiko Shimizu, Makoto Kawaguchi, Masayuki Sakiyama, Akiyoshi Nakayama, Airi Akashi, Yuki Tanahashi, Yusuke Kawamura, Takahiro Nakamura, Kenji Wakai, Rieko Okada, Ken Yamamoto, Kazuyoshi Hosomichi, Tatsuo Hosoya, Kimiyoshi Ichida, Hiroshi Ooyama, Hiroshi Suzuki, Ituro Inoue, Tony R Merriman, Nariyoshi Shinomiya, Hirotaka Matsuo
Objective: Previous studies have suggested an association between gout susceptibility and common dysfunctional variants in ATP-binding cassette transporter subfamily G member 2/breast cancer resistance protein (ABCG2/BCRP), including rs72552713 (Q126X) and rs2231142 (Q141K). However, the association of rare ABCG2 variants with gout is unknown. Therefore, we investigated the effects of rare ABCG2 variants on gout susceptibility in this study. Methods: We sequenced the exons of ABCG2 in 480 patients with gout and 480 healthy controls (Japanese males)...
2017: RMD Open
https://www.readbyqxmd.com/read/29224679/a-review-on-sle-and-malignancy
#6
REVIEW
May Y Choi, Kelsey Flood, Sasha Bernatsky, Rosalind Ramsey-Goldman, Ann E Clarke
Systemic lupus erythematosus (SLE) is a chronic, systemic autoimmune disease characterized by autoantibody production, complement activation, and immune complex deposition. It predominantly affects young and middle-aged women. While improvements in the diagnosis and treatment of SLE have altered prognosis, morbidity and mortality rates remain higher than the general population. In addition to renal injury, cardiovascular disease, and infection, malignancy is known to be a significant cause of death in this population...
June 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29224136/a-summary-of-the-biological-processes-disease-associated-changes-and-clinical-applications-of-dna-methylation
#7
Gitte Brinch Andersen, Jörg Tost
DNA methylation at cytosines followed by guanines, CpGs, forms one of the multiple layers of epigenetic mechanisms controlling and modulating gene expression through chromatin structure. It closely interacts with histone modifications and chromatin remodeling complexes to form the local genomic and higher-order chromatin landscape. DNA methylation is essential for proper mammalian development, crucial for imprinting and plays a role in maintaining genomic stability. DNA methylation patterns are susceptible to change in response to environmental stimuli such as diet or toxins, whereby the epigenome seems to be most vulnerable during early life...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29223827/colonic-aberrant-crypt-formation-accompanies-an-increase-of-opportunistic-pathogenic-bacteria-in-c57bl-6-mice-fed-a-high-fat-diet
#8
Huawei Zeng, Suzanne L Ishaq, Zhenhua Liu, Michael R Bukowski
The increasing worldwide incidence of colon cancer has been linked to obesity and consumption of a high-fat Western diet. To test the hypothesis that a high-fat diet (HFD) promotes colonic aberrant crypt (AC) formation in a manner associated with gut bacterial dysbiosis, we examined the susceptibility to azoxymethane (AOM)-induced colonic AC and microbiome composition in C57/BL6 mice fed a modified AIN93G diet (AIN, 16% fat, energy) or an HFD (45% fat, energy) for 14 weeks. Mice receiving the HFD exhibited increased plasma leptin, body weight, body fat composition and inflammatory cell infiltration in the ileum compared with those in the AIN group...
November 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29222262/pediatric-leukemia-susceptibility-disorders-manifestations-and-management
#9
REVIEW
Lisa J McReynolds, Sharon A Savage
The clinical manifestations of inherited susceptibility to leukemia encompass a wide phenotypic range, including patients with certain congenital anomalies or early-onset myelodysplastic syndrome (MDS) and some with no obvious medical problems until they develop leukemia. Leukemia susceptibility syndromes occur as a result of autosomal dominant, autosomal recessive, or X-linked recessive inheritance, or de novo occurrence, of germline pathogenic variants in DNA repair, ribosome biogenesis, telomere biology, hematopoietic transcription factors, tumor suppressors, and other critical cellular processes...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221487/clinical-laboratory-verification-of-thyroglobulin-concentrations-in-the-presence-of-autoantibodies-to-thyroglobulin-comparison-of-eia-radioimmunoassay-and-lc-ms-ms-measurements-in-an-urban-hospital
#10
Sarah E Wheeler, Li Liu, Harry C Blair, Richard Sivak, Nancy Longo, Jeffery Tischler, Kathryn Mulvey, Octavia M Peck Palmer
OBJECTIVE: Thyroglobulin (Tg) measurements assess recurrence in post-thyroidectomy thyroid cancer patients. Tg measurements by enzyme immunoassays (EIA) can be falsely elevated by interference from Tg autoantibodies (TgAb). Radioimmunoassay (RIA) is less susceptible to TgAb interference and has been the standard-of-care test for TgAb positive patients. Recently developed liquid chromatography tandem mass spectrometry (LC-MS/MS) methods may eliminate TgAb interference. We assessed the performance of Tg measurements by EIA, RIA and LC-MS/MS to evaluate TgAb interference differences...
December 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29221218/tert-rs2736098-ex2-659g-a-polymorphism-and-cancer-susceptibility-evidence-from-a-comprehensive-meta-analysis
#11
Tingyuan Pang, Minjie Zhou, Rumin Liu, Jia Luo, Renfei Xia
Increasing researches have been performed regarding the relationship between TERT rs2736098 and cancer risk, but no consensus has been reached about the relationship. Here, we conducted this updated meta-analysis, aiming to comprehensively evaluate the role of TERT rs2736098 in cancer risk. We systematically searched potential relevant articles through PubMed, EMBASE, CNKI, and WanFang database before August 2017. A total of 33 studies with 18685 cases and 23820 controls were finally included in the current meta-analysis...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221129/long-non-coding-rna-polymorphisms-in-6p21-1-are-associated-with-atrophic-gastritis-risk-and-gastric-cancer-prognosis
#12
Zhi Lv, Liping Sun, Qian Xu, Yuehua Gong, Jingjing Jing, Chengzhong Xing, Yuan Yuan
It has been suggested that the genetic variation in human chromosome 6p21.1 has potential importance for the susceptibility to gastric cancer (GC). The study aims to explore the relationship between the long non-coding RNA (lncRNA) polymorphisms in 6p21.1 and the risk of GC as well as atrophic gastritis (AG). Genotyping for eight single nucleotide polymorphisms (SNPs) was conducted using Sequenom MassARRAY platform in a total of 2507 northern Chinese subjects, including 749 GC cases, 878 AG cases and 880 controls...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220110/non-responsiveness-and-susceptibility-of-opioids-side-effects-related-to-cancer-patients-clinical-characteristics-a-post-hoc-analysis
#13
Oscar Corli, Anna Roberto, Michael I Bennett, Francesca Galli, Nicole Corsi, Eliana Rulli, Raffaella Antonione
BACKGROUND: Response to opioids is not always positive in cancer patients. A considerable proportion of patients do not respond (non-responders, NRs) or experience severe toxicity. The aim of this analysis was to assess the role of demographic characteristics, pain features, comorbidities and ongoing therapy on the lack of efficacy and on the occurrence of severe adverse drug reactions (ADRs). METHODS: This is a post-hoc analysis of a randomized controlled trial that involved 520 patients and was aimed to evaluate the efficacy and safety of four strong opioids...
December 8, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29219812/helicobacter-pylori-resistance-in-the-netherlands-a-growing-problem
#14
R Ruiter, H F Wunderink, R A Veenendaal, L G Visser, M G J de Boer
Helicobacter pylori infection is clinically associated with dyspepsia, gastric and duodenal ulcers, and gastric cancer. Increasing antimicrobial resistance in H. pylori is a worldwide problem and failure of eradication with standard triple therapy (high-dose proton pump inhibition, amoxicillin and clarithromycin) is directly related to the presence of a resistant strain. Other treatment combinations have been investigated, but with inconsistent results. Based on a review of the recent literature in conjunction with an analysis of the regional resistance data, we address the increasing complexity of H...
November 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/29218257/pulmonary-tuberculosis-versus-recurrent-chemotherapy-induced-pneumonitis-a-clinical-dilemma
#15
Gulrayz Ahmed, Muhammad W Saif
Chemotherapy-induced lung toxicity can affect pulmonary parenchyma, pleura, airways, pulmonary vascular system, mediastinum or the neuromuscular system that is responsible for respiration. Chemotherapy-induced pulmonary toxicity is a diagnosis of exclusion. When the patients with malignancies develop pulmonary toxicity such as pneumonitis and distinguishing it from alternative diseases such as infectious, thrombotic, cardiac, malignant or exacerbation of chronic lung conditions can be difficult. Moreover, such patients are often immunosuppressed, physically stressed from the underlying disease and the cancer treatment and hence, more susceptible to usual and unusual or opportunistic infections...
October 4, 2017: Curēus
https://www.readbyqxmd.com/read/29217661/foxo3-an-important-player-in-fibrogenesis-and-therapeutic-target-for-idiopathic-pulmonary-fibrosis
#16
Hamza M Al-Tamari, Swati Dabral, Anja Schmall, Pouya Sarvari, Clemens Ruppert, Jihye Paik, Ronald A DePinho, Friedrich Grimminger, Oliver Eickelberg, Andreas Guenther, Werner Seeger, Rajkumar Savai, Soni S Pullamsetti
Idiopathic pulmonary fibrosis (IPF) is a progressive and fatal parenchymal lung disease with limited therapeutic options, with fibroblast-to-myofibroblast transdifferentiation and hyperproliferation playing a major role. Investigating ex vivo-cultured (myo)fibroblasts from human IPF lungs as well as fibroblasts isolated from bleomycin-challenged mice, Forkhead box O3 (FoxO3) transcription factor was found to be less expressed, hyperphosphorylated, and nuclear-excluded relative to non-diseased controls. Downregulation and/or hyperphosphorylation of FoxO3 was reproduced by exposure of normal human lung fibroblasts to various pro-fibrotic growth factors and cytokines (FCS, PDGF, IGF1, TGF-β1)...
December 7, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29217634/anthracycline-cardiotoxicity-an-update-on-mechanisms-monitoring-and-prevention
#17
REVIEW
Peter A Henriksen
Anthracycline chemotherapy causes dose-related cardiomyocyte injury and death leading to left ventricular dysfunction. Clinical heart failure may ensue in up to 5% of high-risk patients. Improved cancer survival together with better awareness of the late effects of cardiotoxicity has led to growing recognition of the need for surveillance of anthracycline-treated cancer survivors with early intervention to treat or prevent heart failure. The main mechanism of anthracycline cardiotoxicity is now thought to be through inhibition of topoisomerase 2β resulting in activation of cell death pathways and inhibition of mitochondrial biogenesis...
December 7, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29216274/functional-analysis-of-a-cdkn2a-5-utr-germline-variant-associated-with-pancreatic-cancer-development
#18
William Bruno, Virginia Andreotti, Alessandra Bisio, Lorenza Pastorino, Giuseppe Fornarini, Stefania Sciallero, Giovanna Bianchi-Scarrà, Alberto Inga, Paola Ghiorzo
CDKN2A coding region germline variants are associated with pancreatic adenocarcinoma (PC) susceptibility. Recently, we described functional germline 5'UTR CDKN2A variants from melanoma patients affecting the post-transcriptional regulation of p16INK4a mRNA that is dependent, at least in part, on an Internal Ribosome Entry Site (IRES) in the 5'UTR region. Here we describe a 5'UTR c.-201_-198delinsCTTT CDKN2A variant (frequency 0.0028 based on 350 PC patients), which seems to be private to PC, since it has never been found in public databases nor in thousands of melanoma patients tested...
2017: PloS One
https://www.readbyqxmd.com/read/29216269/compensatory-role-of-neuroglobin-in-nervous-and-non-nervous-cancer-cells-in-response-to-the-nutrient-deprivation
#19
Marco Fiocchetti, Manuela Cipolletti, Maria Marino
Environmental factors or adverse growth conditions that may reduce cell function or viability are considered stress. The cell ability to sense and respond to environmental stresses determine its function and survival destiny. We recently defined Neuroglobin (NGB), a heme-protein, as a compensatory protein in the 17β-Estradiol (E2) anti-apoptotic activity and as a sensor of oxidative stress in both neurons and breast cancer cells. Here, the possibility that NGB levels could represent a pivotal regulator of integrated response of cancer cells to stress has been evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/29215312/gstm1-and-gstt1-gene-polymorphisms-gene-gene-interaction-and-esophageal-carcinoma-risk-evidence-from-an-updated-meta-analysis
#20
Liping Ma, Biyang Lan, Lingxiao Guo, Shaoyun Nong, Cuibo Huang, Qiulong Wu, Zhihu Huang
BACKGROUND: Published data regarding the association between GSTM1 and/or GSTT1 gene polymorphisms and esophageal cancer (EC) susceptibility remain inconclusive. To clarify these associations, a meta-analysis was conducted. METHODS: We conducted a comprehensive search in PubMed, Embase, and the China National Knowledge Infrastructure (CNKI) for all such manuscripts published as of May 1, 2017. The pooled odds ratio (ORs) with confidence intervals (95% CI) were estimated for each study to assess the strength of the association...
December 7, 2017: Genetic Testing and Molecular Biomarkers
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