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https://www.readbyqxmd.com/read/28340481/metabolic-profiling-of-tyrosine-tryptophan-and-glutamate-in-human-urine-using-gas-chromatography-tandem-mass-spectrometry-combined-with-single-spe-cleanup
#1
Hyun Ju Shin, Na Hyun Park, Wonwoong Lee, Man Ho Choi, Bong Chul Chung, Jongki Hong
The tyrosine, tryptophan, and glutamate metabolic pathways play key roles on pathological state of neuronal functions and the change of their levels in biological systems reflects the progress degree of neuronal diseases. Comprehensive profiling of these metabolites is important to find new biomarkers for diagnosis or prognosis of various neuronal diseases. However, the overall profiling analysis of various neurochemicals in biological sample is confronted with several limitations due to their low concentration and physicochemical properties and the coexistence of matrices...
March 16, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28340268/is-differential-expression-of-p16ink4a-based-on-the-classification-of-uterine-smooth-muscle-tumors-associated-with-a-different-prognosis-a-meta-analysis
#2
H Y Cao, S Yang, S Wang, L Y Deng, J Y Lou
We conducted a meta-analysis to examine p16INK4a expression in uterine smooth muscle tumors (USMTs). Although the prognostic value of tumor suppressor p16INK4a has been elucidated in a variety of cancers and precancerous lesions, its role in USMTs is not well established. We searched PubMed, Web of Science, and Embase for publication son p16INK4a expression in USMTs. Strict inclusion and exclusion criteria were imposed. Risk ratios (RRs) with 95% confidence intervals (95%CIs) were calculated to assess the strength of association...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340150/severe-conduction-defects-requiring-permanent-pacemaker-implantation-in-patients-with-a-new-onset-left-bundle-branch-block-after-transcatheter-aortic-valve-implantation
#3
V J Nijenhuis, V F Van Dijk, S M Chaldoupi, J C Balt, J M Ten Berg
Aims: Transcatheter aortic valve implantation (TAVI) is frequently associated with cardiac conduction defects (CCD) requiring permanent pacemaker implantation (PPI). Although new-onset left bundle branch block (LBBB) is often seen, the rate of progression to severe CCD is unclear. We aimed to find clinical and electrocardiographic (ECG) parameters associated with severe CCD requiring PPI in patients with a new-onset LBBB after TAVI and assess its effect on clinical outcome. Methods and results: All consecutive patients undergoing TAVI who developed a new-onset LBBB were retrospectively analysed...
March 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28340142/multigene-signature-for-predicting-prognosis-of-patients-with-1p19q-co-deletion-diffuse-glioma
#4
Xin Hu, Emmanuel Martinez-Ledesma, Siyuan Zheng, Hoon Kim, Floris Barthel, Tao Jiang, Kenneth R Hess, Roel G W Verhaak
Background.: Co-deletion of 1p and 19q marks a diffuse glioma subtype associated with relatively favorable overall survival; however, heterogeneous clinical outcomes are observed within this category. Methods.: We assembled gene expression profiles and sample annotation of 374 glioma patients carrying the 1p/19q co-deletion. We predicted 1p/19q status using gene expression when annotation was missing. A first cohort was randomly split into training (n = 170) and a validation dataset (n = 163)...
March 8, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28340112/long-term-mortality-of-patients-with-an-alcohol-related-wernicke-korsakoff-syndrome
#5
Arantza Sanvisens, Paola Zuluaga, Daniel Fuster, Inmaculada Rivas, Jordi Tor, Miguel Marcos, Antonio J Chamorro, Roberto Muga
Aims: To characterize a series of contemporary patients with alcohol-related Wernicke's encephalopathy (WE) or Korsakoff's syndrome (KS) and to update the current prognosis of disease. Methods: Retrospective and prospective study of patients diagnosed with an alcohol-related WE or KS between 2002 and 2011 in a tertiary hospital. Socio-demographic, alcohol use characteristics, signs and symptoms, co-morbidity and blood parameters were obtained at admission. Patients were followed up until 2013 and causes of death were ascertained through the review of charts...
March 10, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28340077/idiopathic-non-lupus-full-house-nephropathy-is-associated-with-poor-renal-outcome
#6
Emilie C Rijnink, Y K Onno Teng, Tineke Kraaij, Ron Wolterbeek, Jan A Bruijn, Ingeborg M Bajema
Background.: Full-house immunofluorescence in combination with various histopathologic lesions in the renal biopsies of patients without overt systemic lupus erythematosus (SLE) poses a diagnostic challenge. In this setting, the biopsy findings are sometimes termed non-lupus 'full-house nephropathy' (FHN). It is presently unknown whether idiopathic non-lupus FHN is clinicopathologically and prognostically distinct from lupus FHN. Methods.: We included non-lupus FHN patients and lupus FHN controls (four or more American College of Rheumatology or Systemic Lupus International Collaborating Clinics criteria) who were biopsied between 1968 and 2014 at the Leiden University Medical Centre...
March 13, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339826/the-importance-of-considering-competing-treatment-affecting-prognosis-in-the-evaluation-of-therapy-in-trials-the-example-of-renal-transplantation-in-hemodialysis-trials
#7
C Marijn Hazelbag, Sanne A E Peters, Peter J Blankestijn, Michiel L Bots, Bernard Canaud, Andrew Davenport, Muriel P C Grooteman, Fatih Kircelli, Francesco Locatelli, Francisco Maduell, Marion Morena, Menso J Nubé, Ercan Ok, Ferran Torres, Arno W Hoes, Rolf H H Groenwold
Background.: During the follow-up in a randomized controlled trial (RCT), participants may receive additional (non-randomly allocated) treatment that affects the outcome. Typically such additional treatment is not taken into account in evaluation of the results. Two pivotal trials of the effects of hemodiafiltration (HDF) versus hemodialysis (HD) on mortality in patients with end-stage renal disease reported differing results. We set out to evaluate to what extent methods to take other treatments (i...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339768/the-transcription-factor-olig2-is-important-for-the-biology-of-diffuse-intrinsic-pontine-gliomas
#8
Jane L Anderson, Ranjithmenon Muraleedharan, Nicole Oatman, Amanda Klotter, Satarupa Sengupta, Ronald R Waclaw, Jianqiang Wu, Rachid Drissi, Lili Miles, Eric H Raabe, Matthew L Weirauch, Maryam Fouladi, Lionel M Chow, Lindsey Hoffman, Mariko DeWire, Biplab Dasgupta
Background.: Diffuse intrinsic pontine glioma (DIPG) is a high-grade brainstem glioma of children with dismal prognosis. There is no single unifying model about the cell of origin of DIPGs. Proliferating cells in the developing human and mouse pons, the site of DIPGs, express neural stem/progenitor cell (NPC) markers, including Sox2, nestin, vimentin, Olig2, and glial fibrillary acidic protein, in an overlapping and non-overlapping manner, suggesting progenitor cell heterogeneity in the pons...
February 23, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28339570/frequency-of-different-electrocardiographic-abnormalities-in-a-large-cohort-of-spanish-workers
#9
Jorge Rodríguez-Capitán, Ana Fernández-Meseguer, José Manuel García-Pinilla, Eva Calvo-Bonacho, Manuel Jiménez-Navarro, Teresa García-Margallo, Fernando Cabrera-Bueno, Ignacio Echeverria-Lucotti, Juan José Gómez-Doblas, Eduardo De Teresa-Galván
Aims: Our aim was to describe the electrocardiographic findings of a large sample of Spanish workers from several different employment sectors. Methods and results: Between May 2008 and November 2010, 13 495 consecutive 12-lead resting electrocardiograms (ECGs) were obtained during health examinations of working adults aged 16-74 years in 5 cities in different regions of Spain. Of those, 13 179 ECGs suitable for interpretation were included in this study. All tracings were classified by the same cardiologist, according to the Minnesota Code criteria...
October 6, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339471/expression-quantitative-trait-loci-for-pax8-contributes-to-the-prognosis-of-hepatocellular-carcinoma
#10
Shijie Ma, Jianshui Yang, Ci Song, Zijun Ge, Jing Zhou, Guoxin Zhang, Zhibin Hu
Paired-box family member PAX8 encodes a transcription factor that has a role in cell differentiation and cell growth and may participate in the prognosis of hepatocellular carcinoma (HCC). By bioinformatics analysis, we identified several single nucleotide polymorphisms (SNPs) within a newly identified long non-coding RNA (lncRNA) AC016683.6 as expression quantitative trait loci (eQTLs) for PAX8. Hence, we hypothesized that PAX8eQTLs in lncRNA AC016683.6 may influence the HCC prognosis. We then performed a case-only study to assess the association between the two SNPs as well as the prognosis of HCC in 331 HBV-positive HCC patients without surgical treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28339134/paranasal-sinus-lymphoma-retrospective-review-with-focus-on-clinical-features-histopathology-prognosis-and-relationship-to-systemic-lymphoma
#11
Brynn N Wajda, Mindy R Rabinowitz, Gurston G Nyquist, Stacey K Mardekian, Marc R Rosen, Michael P Rabinowitz
BACKGROUND: Paranasal sinus lymphoma is a rare clinical entity. METHODS: We conducted a retrospective case series of 68 patients with biopsy-confirmed paranasal sinus lymphoma with attention on systemic disease association. RESULTS: Of 63 patients with paranasal sinus lymphoma, 35 (56%) had systemic involvement. Four patient groups were identified: (1) primary paranasal sinus lymphoma (44%); (2) systemic disease occurring concurrently with paranasal sinus lymphoma (25%); (3) paranasal sinus lymphoma with relapse of preexisting systemic lymphoma (22%); and (4) progression to systemic disease after primary paranasal sinus lymphoma (8%)...
March 24, 2017: Head & Neck
https://www.readbyqxmd.com/read/28339095/expression-of-yes-associated-protein%C3%A2-1-and-its-clinical-significance-in-ovarian-serous-cystadenocarcinoma
#12
Sang Yeon Cho, Kwanghun Kim, Min Soo Park, Mi Young Jang, Young Hwan Choi, Suyeon Han, Hyun Mo Shin, Chaeuk Chung, Hye Young Han, Jung Bo Yang, Young Bok Ko, Heon Jong Yoo
Yes-associated protein 1 (YAP1) is a key transcriptional regulator in the Hippo signaling pathway that plays a critical role in the development and progression of several types of malignancies, including ovarian cancer. Herein, we investigated the expression of YAP1 and its clinical significance in a large population of patients with ovarian serous cystadenocarcinoma (OSC), which is the most common form of epithelial ovarian neoplasm, using the TCGA database. Surprisingly, cross-cancer mRNA expression and alterations in YAP1 were higher in OSC than in those of other types of cancers in the TCGA database...
March 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339094/f221y-mutation-in-hepatitis-b-virus-reverse-transcriptase-is-associated-with-hepatocellular-carcinoma-prognosis-following-liver-resection
#13
Huiming Li, Jian'an Jia, Mengmeng Wang, Hui Wang, Xing Gu, Meng Fang, Chunfang Gao
Hepatitis B virus (HBV) reverse transcriptase (RT) is encoded by the polymerase gene in the reverse transcriptase region, which overlaps with the S gene. The association between mutations of HBV RT and the pathobiological features of hepatocellular carcinoma (HCC) remain to be elucidated. The present study aimed to examine mutations in this region of the HBV genome and its clinical significance. Briefly, HBV total DNA was extracted from 84 pairs of HCC tumor tissue and corresponding adjacent non‑tumor tissue samples...
March 23, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28339092/macc1-decreases-the-chemosensitivity-of-gastric-cancer-cells-to-oxaliplatin-by-regulating-fasn-expression
#14
Jiangman Duan, Lishan Chen, Minyu Zhou, Jingwen Zhang, Li Sun, Na Huang, Jianping Bin, Yulin Liao, Wangjun Liao
The effect of chemotherapeutic agents is limited as a result of drug resistance, which demands prompt solutions provided by clinical studies. To date, the underlying mechanisms of chemotherapy resistance are relatively unknown. Metastasis-associated in colon cancer 1 (MACC1) is an oncogene associated with the progression and prognosis of gastric cancer (GC). Bioinformatic analysis revealed that MACC1 is positively associated with fatty acid synthase (FASN), a major enzyme of lipogenesis, and drives chemoresistance to oxaliplatin in GC...
March 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339091/fibulin-4-promotes-osteosarcoma-invasion-and-metastasis-by-inducing-epithelial-to-mesenchymal-transition-via-the-pi3k-akt-mtor-pathway
#15
Dong Zhang, Songgang Wang, Jie Chen, Haitao Liu, Jinfa Lu, Hua Jiang, Aimin Huang, Yunzhen Chen
This study explored the role of fibulin-4 in osteosarcoma progression and the possible signaling pathway involved. Fibulin-4 mRNA and protein expression in normal tissue, benign fibrous dysplasia, osteosarcoma, osteosarcoma cell lines, the normal osteoblastic cell line hFOB, and different invasive subclones were evaluated by immunohistochemistry (IHC) or immunocytochemistry (ICC) and real-time reverse transcriptase-polymerase chain reaction (real-time qRT-PCR). Using in vitro functional assays, we analyzed the invasive and proliferative abilities of different osteosarcoma cell lines and subclones with differing invasive potential...
March 21, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339059/proteomic-based-identification-of-hsp70-as-a-tumor-associated-antigen-in-ovarian-cancer
#16
Xin-Xin Liu, Hua Ye, Peng Wang, Liu-Xia Li, Yi Zhang, Jian-Ying Zhang
Ovarian cancer commonly presents without prominent symptoms and is consequently diagnosed at advanced stages with unfavorable prognosis. Novel serological biomarkers for the early detection and clinical management of ovarian cancer are imminently needed. Proteomic-based methods for biomarker discovery are promising strategies implemented in cancer research. The aim of the present study was to identify new tumor antigens from the ovarian cancer cell line SKOV3 and their associated autoantibodies in sera of patients with ovarian cancer employing proteomic-based approaches...
March 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28339053/mir-486-suppresses-the-development-of-osteosarcoma-by-regulating-pkc-%C3%AE-pathway
#17
Ming He, Guangbin Wang, Linlin Jiang, Chuang Qiu, Bin Li, Jiashi Wang, Yonghui Fu
Osteosarcoma is one of the most highly malignant types of cancer in adolescents and young adults with a high mortality rate. Despite advances in surgery, radiation therapy and chemotherapy, the prognosis for patients with osteosarcoma has not significantly improved over the past several decades. It is necessary to find new indicators of prognosis and therapeutic targets of osteosarcoma. Through the analysis of 40 osteosarcoma tissues, we found that the expression of miR‑486 was low and the expression of PKC‑δ was high in osteosarcoma...
March 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339050/p53-mutation-status-is-a-primary-determinant-of-placenta-specific-protein-1-expression-in-serous-ovarian-cancers
#18
Eric J Devor, Jesus Gonzalez-Bosquet, Akshaya Warrier, Henry D Reyes, Nonye V Ibik, Brandon M Schickling, Andreea Newtson, Michael J Goodheart, Kimberly K Leslie
Placenta-specific protein 1 (PLAC1) expression is co-opted in numerous human cancers. As a consequence of PLAC1 expression, tumor cells exhibit enhanced proliferation and invasiveness. This characteristic is associated with increased aggressiveness and worse patient outcomes. Recently, the presence of the tumor suppressor p53 was shown in vitro to inhibit PLAC1 transcription by compromising the P1, or distal/cancer, promoter. We sought to determine if this phenomenon occurs in primary patient tumors as well...
March 23, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339045/identification-of-circulating-long-non-coding-rna%C3%A2-gas5-as-a-potential-biomarker-for-non-small-cell-lung-cancer-diagnosisnon-small-cell-lung-cancer-long-non-coding-rna-plasma-gas5-biomarker
#19
Qian Tan, Jiangcheng Zuo, Shili Qiu, Yalan Yu, Hu Zhou, Nandi Li, Hui Wang, Chunzi Liang, Mingxia Yu, Jiancheng Tu
Non-small cell lung cancer (NSCLC) is one of the most malignant cancers in the world. Early diagnosis of NSCLC has become especially important for patient treatment and prognosis. Increasing evidence suggest that long non-coding RNA GAS5 plays vital roles in cancer proliferation and differentiation in NSCLC. However, its clinical value in the diagnosis of NSCLC is unclear. The objective of this study was to evaluate the importance of circulating GAS5 as a biomarker for NSCLC diagnosis. In our study, quantitative real-time PCR (QRT-PCR) was applied to detect the GAS5 expression level in 80 pairs of cancer tissues and 57 pairs of plasma samples of NSCLC patients...
March 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28339043/high-atp2a2-expression-correlates-with-better-prognosis-of-diffuse-astrocytic-tumor-patients
#20
Wei-Qing Li, Nan-Zhe Zhong, Jin He, Yi-Ming Li, Li-Jun Hou, Hui-Min Liu, Chun-Yan Xia, Liang-Zhe Wang, Yi-Cheng Lu
Novel molecular markers are required for defining subsets of diffuse astrocytic tumor patients with differing prognoses. Here, we examined ATP2A2 expression in 109 human diffuse astrocytic tumor samples (39 grade II diffuse astrocytoma (DA), 19 grade III anaplastic astrocytoma (AA), 51 grade IV glioblastoma) and its correlation with patient clinicopathologic characteristics. ATP2A2 expression significantly correlated with tumor grade and survival (P<0.05). High ATP2A2 expression was detected in 35.3% (18/51) of glioblastoma patients, compared to 61...
March 24, 2017: Oncology Reports
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