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https://www.readbyqxmd.com/read/28821819/dietary-factors-and-polymorphisms-in-vitamin-d-metabolism-genes-the-risk-and-prognosis-of-colorectal-cancer-in-northeast-china
#1
Chen Gong, Zhiping Long, Yanming Yu, Lin Zhu, Jingshen Tian, Shuo Li, Jing Li, Hongyuan Yu, Qiang Chi, Daxun Piao, Fan Wang, Yashuang Zhao, Binbin Cui
CYP24A1 and CYP27B1 are critical genes determining 1α,25(OH)2D3 concentration and impacting on carcinogenesis. A case-control study including 528 colorectal cancer (CRC) patients and 605 cancer-free controls and a follow-up study with 317 cases were conducted in northeast China. Genotypes were tested by TaqMan Genotyping Assays. Individuals carrying the GG genotype of CYP27B1 G > T (rs10877012) exhibited decreased CRC risk compared with those with the TT genotype (ORadjusted (ORadj) = 0.57, 95% Confidence Interval (CI) = 0...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819384/the-comparison-of-egfr-tki-failure-modes-and-subsequent-management-between-exon-19-deletion-and-exon-21-l858r-mutation-in-advanced-non-small-cell-lung-cancer
#2
Yaxiong Zhang, Gang Chen, Xi Chen, Wenfeng Fang, Fei Gao, Yunpeng Yang, Yuanyuan Zhao, Yuxiang Ma, Shaodong Hong, Zhonghan Zhang, Siyu Miao, Manli Wu, Xiaodan Huang, Youli Luo, Cong Zhou, Run Gong, Yan Huang, Likun Chen, Ningning Zhou, Hongyun Zhao, Li Zhang
Background: Advanced non-small-cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 19 deletion (19 Del) and exon 21 L858R mutation (L858R) might be distinct diseases. Therefore, it is necessary to take EGFR mutation subgroups into consideration for making choices of subsequent treatment after tyrosine kinase inhibitors (TKIs) failure. Patients and methods: 174 patients who developed to EGFR-TKI failure were categorized into three cohorts of dramatic progression, gradual progression and local progression...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28816233/shikonin-induces-glioma-cell-necroptosis-in-vitro-by-ros-overproduction-and-promoting-rip1-rip3-necrosome-formation
#3
Bin Lu, Xu Gong, Zong-Qi Wang, Ye Ding, Chen Wang, Tian-Fei Luo, Mei-Hua Piao, Fan-Kai Meng, Guang-Fan Chi, Yi-Nan Luo, Peng-Fei Ge
Necroptosis is a type of programmed necrosis regulated by receptor interacting protein kinase 1 (RIP1) and RIP3. Necroptosis is found to be accompanied by an overproduction of reactive oxygen species (ROS), but the role of ROS in regulation of necroptosis remains elusive. In this study, we investigated how shikonin, a necroptosis inducer for cancer cells, regulated the signaling leading to necroptosis in glinoma cells in vitro. Treatment with shikonin (2-10 μmol/L) dose-dependently triggered necrosis and induced overproduction of intracellular ROS in rat C6 and human SHG-44, U87 and U251 glioma cell lines...
August 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28811711/fibroblast-derived-cxcl12-sdf-1%C3%AE-promotes-cxcl6-secretion-and-co-operatively-enhances-metastatic-potential-through-the-pi3k-akt-mtor-pathway-in-colon-cancer
#4
Jia-Chi Ma, Xiao-Wen Sun, He Su, Quan Chen, Tian-Kang Guo, Yuan Li, Xiao-Chang Chen, Jin Guo, Zhen-Qiang Gong, Xiao-Dan Zhao, Jian-Bo Qi
AIM: To investigate the underlying mechanism by which CXCL12 and CXCL6 influences the metastatic potential of colon cancer and internal relation of colon cancer and stromal cells. METHODS: Western blotting was used to detect the expression of CXCL12 and CXCL6 in colon cancer cells and stromal cells. The co-operative effects of CXCL12 and CXCL6 on proliferation and invasion of colon cancer cells and human umbilical vein endothelial cells (HUVECs) were determined by enzyme-linked immunosorbent assay, and proliferation and invasion assays...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28791348/microrna-124-inhibits-the-proliferation-of-c6-glioma-cells-by-targeting-smad4
#5
Zechuan Zhang, Qiaoyun Gong, Meiying Li, Jinying Xu, Yangyang Zheng, Pengfei Ge, Guangfan Chi
MicroRNA-124 (miR-124) has been shown to be downregulated in glioma; however, its biological functions in glioma are not yet fully understood. The aim of this study was to examine the Smad4‑dependent effects of miR‑124 on C6 glioma cell proliferation. In this study, the level of miR‑124 was found to be enhanced in C6 cells upon transfection with miR‑124 mimics, and the mechanisms of action of miR‑124 in C6 cells were investigated by reverse transcriptase-quantitative polymerase chain reaction, MTT assay, western blot analysis and luciferase reporter assays in vitro...
August 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28763559/adiponectin-mediates-dietary-omega-3-long-chain-polyunsaturated-fatty-acid-protection-against-choroidal-neovascularization-in-mice
#6
Zhongjie Fu, Raffael Liegl, Zhongxiao Wang, Yan Gong, Chi-Hsiu Liu, Ye Sun, Bertan Cakir, Samuel B Burnim, Steven S Meng, Chatarina Löfqvist, John Paul SanGiovanni, Ann Hellström, Lois E H Smith
Purpose: Neovascular age-related macular degeneration (AMD) is a major cause of legal blindness in the elderly. Diets with omega3-long-chain-polyunsaturated-fatty-acid (ω3-LCPUFA) correlate with a decreased risk of AMD. Dietary ω3-LCPUFA versus ω6-LCPUFA inhibits mouse ocular neovascularization, but the underlying mechanism needs further exploration. The aim of this study was to investigate if adiponectin (APN) mediated ω3-LCPUFA suppression of neovessels in AMD. Methods: The mouse laser-induced choroidal neovascularization (CNV) model was used to mimic some of the inflammatory aspect of AMD...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28760340/synergistic-effects-of-combination-treatment-using-egcg-and-suramin-against-the-chikungunya-virus
#7
Jeng-Wei Lu, Po-Shiuan Hsieh, Chang-Chi Lin, Ming-Kuan Hu, Shih-Ming Huang, Yu-Ming Wang, Chun-Yu Liang, Zhiyuan Gong, Yi-Jung Ho
Chikungunya is a severe disease that results from infection with the chikungunya virus (CHIKV), an arbovirus. Thus, we (1) explored a new approach to combining previously researched drugs that have shown the potential to inhibit CHIKV infection; and (2) demonstrated the antiviral effects of (-)-Epigallocatechin-3-gallate (EGCG) and the underlying mechanisms. Specifically, we used U2OS cells infected with CHIVK to assess the synergistic antiviral activities of EGCG and suramin. EGCG presented the ability to inhibit the viral RNA, progeny yield, and cytopathic effect (CPE) of CHIKV and also demonstrated the ability to protect against virus entry, replication, and release...
July 28, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28756808/role-of-immune-microenvironmental-factors-for-improving-the-ipi-related-risk-stratification-of-aggressive-b-cell-lymphoma
#8
Yi Gong, Rui Chen, Xi Zhang, Zhong Min Zou, Xing Hua Chen
OBJECTIVE: To investigate the risk stratification of aggressive B cell lymphoma using the immune microenvironment and clinical factors. METHODS: A total of 127 patients with aggressive B cell lymphoma between 2014 and 2015 were enrolled in this study. CD4, Foxp3, CD8, CD68, CD163, PD-1, and PD-L1 expression levels were evaluated in paraffin-embedded lymphoma tissues to identify their roles in the risk stratification. Eleven factors were identified for further evaluation using analysis of variance, chi-square, and multinomial logistic regression analysis...
July 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28749603/protection-motivation-theory-in-predicting-intention-to-receive-cervical-cancer-screening-in-rural-chinese-women
#9
Yang Bai, Qing Liu, Xinguang Chen, Yanduo Gao, Huiyun Gong, Xiaodong Tan, Min Zhang, Jiyu Tuo, Yuling Zhang, Qunying Xiang, Fenghua Deng, Guiling Liu
OBJECTIVE: Despite the significance of cervical cancer screening, motivating more women to participate remains a challenge in resource-limited settings. In this study, we tested the protection motivation theory (PMT) in predicting screening intentions. METHODS: Participants were women from Wufeng, a typical rural county in China. Participants (n=3000) with no cervical cancer history were recruited from 10 randomly selected villages. As mediating variables, six PMT constructs (Perceived Risk, Fear Arousal, Perceived Severity, Response Efficacy, Response Cost and Self-Efficacy) were measured using the standardized questionnaire...
July 27, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28739760/cyclosporin-a-reversed-chemoresistance-of-a-patient-with-pure-red-cell-aplasia-secondary-to-thymoma
#10
Peng Li, Fengcai DU, Zhaohua Gong, Baohong Hu, Cheng Chi, Hongjin Chu, Jian Chen
This case study reports on a patient who relapsed with thymoma (mixed type) nine years after tumor resection. After four courses of rescue chemotherapy (docetaxel and cisplatinum), the patient was further diagnosed with pure red cell aplasia. It was noticed that cyclosporin A (CsA), which was administered to treat aplasia, could reverse chemoresistance. Its mechanism is not completely clear, but the hypothesis of CsA inhibiting P-glycoprotein mediated drug efflux is the most acceptable.
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739756/better-clinical-efficiency-of-tils-for-malignant-pleural-effusion-and-ascites-than-cisplatin-through-intrapleural-and-intraperitoneal-infusion
#11
COMPARATIVE STUDY
Hongjin Chu, Fengcai DU, Zhaohua Gong, Peiwen Lian, Zhixin Wang, Peng Li, Baohong Hu, Cheng Chi, Jian Chen
BACKGROUND/AIM: To evaluate the clinical efficiency of tumor-infiltrating lymphocytes (TILs) compared to cisplatin for malignant pleural effusion and ascites through intrapleural and intraperitoneal infusion. PATIENTS AND METHODS: Thirteen patients with malignant pleural effusion and ascites were divided into a TIL-treated group and a cisplatin-treated group. Patients were given TILs or cisplatin, through intrapleural and intraperitoneal infusion respectively, after drainage of the malignant serous effusion by thoracentesis or abdominocentesis...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739752/severe-cardiotoxicity-in-a-patient-with-colorectal-cancer-treated-with-bevacizumab
#12
Jian Chen, Fengcai DU, Baohong Hu, Cheng Chi, Hongjin Chu, Lixin Jiang, Peng Li, Zhaohua Gong
BACKGROUND/AIM: Bevacizumab combined with standard chemotherapeutics has become a choice of treatment for several kinds of cancers. Hypertension, third-degree albuminuria, thrombosis and cardiotoxicity are the reported side-effects of bevacizumab. Among them, cardiotoxicity is a most severe, but rare outcome. We report a case of a 62-year-old female with colorectal carcinoma who was given bevacizumab-containing chemotherapy for more than 20 months and achieved a stable disease during the entire course of treatment...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739738/cyclophilin-a-is-overexpressed-in-hepatocellular-carcinoma-and-is-associated-with-the-cell-cycle
#13
Zhaohua Gong, Cheng Chi, Xiaojuan Huang, Hongjin Chu, Jiahui Wang, Fengcai DU, Lixin Jiang, Jian Chen
AIM: To investigate the expression of cyclophilin A (CypA) in human hepatocellular carcinoma (HCC) and explore the effects of CypA on the cell cycle in HCC. MATERIALS AND METHODS: CypA expression was assessed by immunohistochemistry in 48 cases of HCC tissues and paired adjacent tissues. CypA plasmid was transfected into HCC cells and the cell cycle was analyzed. RESULTS: Positivity for CypA was higher in HCC tissues than in adjacent tissues (79...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28736535/mind-body-practice-changes-fractional-amplitude-of-low-frequency-fluctuations-in-intrinsic-control-networks
#14
Gao-Xia Wei, Zhu-Qing Gong, Zhi Yang, Xi-Nian Zuo
Cognitive control impairment is a typical symptom largely reported in populations with neurological disorders. Previous studies have provided evidence about the changes in cognitive control induced by mind-body training. However, the neural correlates underlying the effect of extensive mind-body practice on cognitive control remain largely unknown. Using resting-state functional magnetic resonance imaging, we characterized dynamic fluctuations in large-scale intrinsic connectivity networks associated with mind-body practice, and examined their differences between healthy controls and Tai Chi Chuan (TCC) practitioners...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28675570/predicting-the-level-of-tumor-infiltrating-lymphocytes-in-patients-with-triple-negative-breast-cancer-usefulness-of-breast-mri-computer-aided-detection-and-diagnosis
#15
You Jin Ku, Hak Hee Kim, Joo Hee Cha, Hee Jung Shin, Eun Young Chae, Woo Jung Choi, Hee Jin Lee, Gyungyub Gong
PURPOSE: To evaluate the usefulness of magnetic resonance imaging (MRI) computer-aided detection and diagnosis (CAD) for the detection of tumor-infiltrating lymphocytes (TILs) in triple-negative breast cancer (TNBC) patients. TNBC is a heterogeneous malignancy with a varying prognosis. Recently, the importance of TILs in TNBC has been determined. MATERIALS AND METHODS: We retrospectively enrolled 60 lesions of TNBC. Either at 1.5T or 3T MRI, including T1 , T2 -weighted, and dynamic contrast-enhanced, images were obtained...
July 4, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28670118/species-specific-identification-of-collagen-components-in-colla-corii-asini-using-a-nano-liquid-chromatography-tandem-mass-spectrometry-proteomics-approach
#16
Xue Li, Feng Shi, Liping Gong, Baojian Hang, Daoyuan Li, Lianli Chi
Colla corii asini (CCA) is a protein-based traditional Chinese medicine made from donkey skins. Because it has the ability to nourish blood, its demand is increasing rapidly. The shortage of donkey skins increases the risk of the adulteration of CCA products with other animal skins. To ensure the drug efficacy and safety of CCA products, a proteomics technique was applied to reveal proteins in the skins of donkey, horse, cattle, and pig. Species-specific peptides for each animal species were predicted using bioinformatics, and their presence in the skins and gelatin samples was examined by nano-liquid chromatography-tandem mass spectrometry (nano-LC-MS/MS)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28626618/cytoplasmic-expression-of-c-myc-protein-is-associated-with-risk-stratification-of-mantle-cell-lymphoma
#17
Yi Gong, Xi Zhang, Rui Chen, Yan Wei, Zhongmin Zou, Xinghua Chen
AIM: To investigate the association of C-MYC protein expression and risk stratification in mantle cell lymphoma (MCL), and to evaluate the utility of C-MYC protein as a prognostic biomarker in clinical practice. METHODS: We conducted immunohistochemical staining of C-MYC, Programmed cell death ligand 1 (PD-L1), CD8, Ki-67, p53 and SRY (sex determining region Y) -11 (SOX11) to investigate their expression in 64 patients with MCL. The staining results and other clinical data were evaluated for their roles in risk stratification of MCL cases using ANOVA, Chi-square, and Spearman's Rank correlation coefficient analysis...
2017: PeerJ
https://www.readbyqxmd.com/read/28616267/log-odds-of-positive-lymph-nodes-is-a-novel-prognostic-indicator-for-advanced-escc-after-surgical-resection
#18
Mingjian Yang, Hongdian Zhang, Zhao Ma, Lei Gong, Chuangui Chen, Peng Ren, Xiaobin Shang, Peng Tang, Hongjing Jiang, Zhentao Yu
BACKGROUND: To investigate the prognostic value of the log odds of positive lymph nodes (LODDS) in patients with advanced esophageal squamous cell carcinoma (ESCC) after surgical resection. METHODS: Clinical data of 260 patients with advanced ESCC undergoing surgical resection were retrospectively reviewed. Univariate and multivariate analysis were done using the chi-square test and Cox regression model. Receiver-operating-characteristic (ROC) curve was used to compare the association of pathologic nodal (pN) and LODDS with 3- or 5-year overall survival (OS)...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28611042/competition-between-dna-methylation-nucleotide-synthesis-and-antioxidation-in-cancer-versus-normal-tissues
#19
Sha Cao, Xiwen Zhu, Chi Zhang, Hong Qian, Heinz-Bernd Schuttler, Jianping Gong, Ying Xu
Global DNA hypomethylation occurs in many cancer types, but there is no explanation for its differential occurrence or possible impact on cancer cell physiology. Here we address these issues with a computational study of genome-scale DNA methylation in 16 cancer types. Specifically, we identified (i) a possible determinant for global DNA methylation in cancer cells and (ii) a relationship between levels of DNA methylation, nucleotide synthesis, and intracellular oxidative stress in cells. We developed a system of kinetic equations to capture the metabolic relations among DNA methylation, nucleotide synthesis, and antioxidative stress response, including their competitions for methyl and sulfur groups, based on known information about one-carbon metabolism and trans-sulfuration pathways...
June 13, 2017: Cancer Research
https://www.readbyqxmd.com/read/28593479/rna-binding-protein-dnd1-inhibits-epithelial-mesenchymal-transition-and-cancer-stem-cell-related-traits-on-hepatocellular-carcinoma-cells
#20
Weiling Xu, Fangchao Gong, Ting Zhang, Baorong Chi, Jingyu Wang
OBJECTIVES: To investigate the roles of Dead end 1 (Dnd1) in modulating cancer stem cell-related traits of hepatocellular carcinoma (HCC). RESULTS: Dead end (Dnd1) inhibited spheroid formation, suppressed the expression of stemness-related genes, and increased sensitivity to sorafenib in HCC cells. Mechanistically, Dnd1 could bind to 3'-UTR of LATS2, the key kinase of Hippo pathway, thus elevating LATS2 mRNA stability and its expression, subsequently leading to phosphorylation of YAP and its cytoplasmic retention...
June 7, 2017: Biotechnology Letters
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