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https://www.readbyqxmd.com/read/28334634/e3-ubiquitin-ligase-cbl-b-prevents-tumor-metastasis-by-maintaining-the-epithelial-phenotype-in-multiple-drug-resistant-gastric-and-breast-cancer-cells
#1
Ling Xu, Ye Zhang, Xiujuan Qu, Xiaofang Che, Tianshu Guo, Ying Cai, Aodi Li, Danni Li, Ce Li, Ti Wen, Yibo Fan, Kezuo Hou, Yanju Ma, Xuejun Hu, Yunpeng Liu
Multiple drug resistance (MDR) and metastasis are two major factors that contribute to the failure of cancer treatment. However, the relationship between MDR and metastasis has not been characterized. Additionally, the role of the E3 ubiquitin ligase Cbl-b in metastasis of MDR gastric and breast cancer is not well known. In the present study, we found that MDR gastric and breast cancer cells possess a typical mesenchymal phenotype and enhanced cell migration capacity. Additionally, Cbl-b is poorly expressed in MDR gastric and breast cancer cells...
March 20, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28334445/double-gastroepiploic-vascularized-lymph-node-tranfers-to-middle-and-distal-limb-for-the-treatment-of-lymphedema
#2
Pedro Ciudad, Oscar J Manrique, Shivprasad Date, Mouchammed Agko, John Jaime Perez Coca, Wei-Ling Chang, Federico Lo Torto, Fabio Nicoli, Michelle Maruccia, Javier López Mendoza, Hung-Chi Chen
BACKGROUND: Vascularized lymph node (VLN) transfer for lymphedema treatment has shown promising results. Optimal donor and recipient sites remain a matter of debate. We describe the technique and outcomes of a laparoscopically harvested extended gastroepiploic VLN flap with two levels of inset. PATIENTS AND METHODS: Between 2014 and 2015, four-patients with upper limb breast cancer-related lymphedema and three-patients with lower limb pelvic cancer-related lymphedema who underwent VLN transfers were included...
March 23, 2017: Microsurgery
https://www.readbyqxmd.com/read/28334112/human-mitochondrial-pyrroline-5-carboxylate-reductase-1-promotes-invasiveness-and-impacts-survival-in-breast-cancers
#3
Jiefeng Ding, Mei-Ling Kuo, Leila Su, Lijun Xue, Frank Luh, Hang Zhang, Jianghai Wang, Tiffany G Lin, Keqiang Zhang, Peiguo Chu, Shu Zheng, Xiyong Liu, Yun Yen
Human mitochondrial pyrroline-5-carboxylate reductase (PYCR) is a house keeping enzyme that catalyzes the reduction of ?1-pyrroline-5-carboxylate (P5C) to proline. This enzymatic cycle plays pivotal roles in amino acid metabolism, intracellular redox potential, and mitochondrial integrity. Here, we hypothesize that PYCR1 might be a novel prognostic biomarker and therapeutic target for breast cancer. In this study, breast cancer tissue samples were obtained from Zhejiang University (ZJU set). Immunohistochemistry analysis was performed to detect the protein level of PYCR1, and Kaplan-Meier and Cox proportional analyses were employed in this outcome study...
February 24, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28334049/mmp1-expression-is-activated-by-slug-and-enhances-multi-drug-resistance-mdr-in-breast-cancer
#4
Ching-Ju Shen, Yu-Ling Kuo, Chien-Chung Chen, Ming-Jenn Chen, Ya-Min Cheng
High matrix metalloproteinase 1 (MMP1) expression is associated with enhanced breast cancer growth and metastasis and also might predict poor prognosis. In this study, we further investigated the functional role of MMP1 and how it is upregulated in multi-drug resistant (MDR) breast cancer cells. By retrieving microarray data in GEO datasets and the survival data in the Kaplan Meier plotter, we observed that MMP1 is significantly upregulated in MCF-7/ADR cells compared to the parental MCF-7 cells, while high MMP1 expression is associated with worse overall survival (OS) and recurrence free survival (RFS) in breast cancer patients after systematic therapy...
2017: PloS One
https://www.readbyqxmd.com/read/28333459/6-oh-phenanthroquinolizidine-alkaloid-and-its-derivatives-exert-potent-anticancer-activity-by-delaying-s-phase-progression
#5
Yuxiu Liu, Lihua Qing, Chuisong Meng, Jiajie Shi, Yan Yang, Ziwen Wang, Guifang Han, Yi Wang, Jian Ding, Ling-Hua Meng, Qingmin Wang
To discover new phenanthroindolizidine and phenanthroquinolizidine alkaloids as potential anticancer drug candidates, non-natural 6-O-desmethylcryptopleurine (2) and its derivatives were prepared. Most of the new compounds exhibited potent antiproliferative activity against A549 and BEL-7402 cells, with the lowest IC50 being 3 nM. Optically pure 2-R was further evaluated against a panel of 30 cancer cell lines and found to inhibit the proliferation of all tested cell lines, including three multidrug-resistant cell lines, with an average IC50 value of 2...
March 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28331435/methylated-dna-rna-in-body-fluids-as-biomarkers-for-lung-cancer
#6
REVIEW
Yan Lu, Shulin/Sl Li, Shiguo/Sg Zhu, Yabin/Yb Gong, Jun/J Shi, Ling/L Xu
DNA/RNA methylation plays an important role in lung cancer initiation and progression. Liquid biopsy makes use of cells, nucleotides and proteins released from tumor cells into body fluids to help with cancer diagnosis and prognosis. Methylation of circulating tumor DNA (ctDNA) has gained increasing attention as biomarkers for lung cancer. Here we briefly introduce the biological basis and detection method of ctDNA methylation, and review various applications of methylated DNA in body fluids in lung cancer screening, diagnosis, prognosis, monitoring and treatment prediction...
2017: Biological Procedures Online
https://www.readbyqxmd.com/read/28331050/first-in-human-clinical-trial-of-oral-onc201-in-patients-with-refractory-solid-tumors
#7
Mark N Stein, Joseph R Bertino, Howard L Kaufman, Tina Mayer, Rebecca Moss, Ann Silk, Nancy Chan, Jyoti Malhotra, Lorna Rodriguez-Rodriguez, Joseph Aisner, Robert D Aiken, Bruce G Haffty, Robert S DiPaola, Tracie Saunders, Andrew Zloza, Sherri Damare, Yasmeen Beckett, Bangning Yu, Saltanat Najmi, Christian Gabel, Siobhan Dickerson, Ling Zheng, Wafik S El-Deiry, Joshua Allen, Martin Stogniew, Wolfgang Oster, Janice M Mehnert
Purpose ONC201 is a small molecule selective antagonist of the G protein-coupled receptor DRD2 that is the founding member of the imipridone class of compounds. A first-in-human phase I study of ONC201 was conducted to determine its recommended phase II dose (RP2D). Experimental Design This open-label study treated 10 patients during dose escalation with histologically-confirmed advanced solid tumors. Patients received ONC201 orally once every 3 weeks, defined as one cycle, at doses from 125 to 625 mg using an accelerated titration design...
March 22, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28329246/lymphovascular-invasion-and-extracapsular-invasion-are-risk-factors-for-distant-recurrence-after-preoperative-chemoradiotherapy-and-oesophagectomy-in-patients-with-oesophageal-squamous-cell-carcinoma
#8
Po-Kuei Hsu, Ling-I Chien, Lei-Chi Wang, Teh-Ying Chou
OBJECTIVES: Patients with oesophageal squamous cell carcinoma have a high risk of disease recurrence even after trimodality treatments, which include preoperative chemoradiotherapy and oesophagectomy. We aimed to identify the histological factors that are associated with loco-regional and distant recurrence. METHODS: A retrospective review of a prospectively established database identified patients who received preoperative chemoradiotherapy and oesophagectomy for squamous cell carcinoma...
February 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28325237/global-health-in-radiation-oncology-the-emergence-of-a-new-career-pathway
#9
REVIEW
Danielle Rodin, Mei Ling Yap, Surbhi Grover, John M Longo, Onyinye Balogun, Sandra Turner, Jesper G Eriksen, C Norman Coleman, Meredith Giuliani
The massive global shortfall in radiotherapy equipment and human resources in developing countries is an enormous challenge for international efforts in cancer control. This lack of access to treatment has been long-standing, but there is now a growing consensus about the urgent need to prioritize solutions to this problem and that a global strategy is required for them to be successful. An essential element of making radiotherapy universally accessible is a coordinated approach to clinical training and practice...
April 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28323992/quantification-of-thyroid-cancer-and-multinodular-goiter-risk-in-the-dicer1-syndrome-a-family-based-cohort-study
#10
Nicholas E Khan, Andrew J Bauer, Kris Ann P Schultz, Leslie Doros, Rosamma M Decastro, Alexander Ling, Maya B Lodish, Laura A Harney, Ron G Kase, Ann G Carr, Christopher T Rossi, Amanda Field, Anne K Harris, Gretchen M Williams, Louis P Dehner, Yoav H Messinger, D Ashley Hill, Douglas R Stewart
Context: The risk of thyroid cancer and multinodular goiter (MNG) in the DICER1 syndrome, a rare tumor-predisposition disorder, is unknown. Objective: To quantify the risk of thyroid cancer and MNG in individuals with the DICER1 syndrome. Design: Family-based cohort study. Setting: National Institutes of Health (NIH) Clinical Center (CC). Participants: The National Cancer Institute DICER1 syndrome cohort consisted of 145 individuals with a DICER1 germline mutation and 135 family controls from 48 families...
February 2, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28321489/microrna-regulation-and-analytical-methods-in-cancer-cell-metabolism
#11
REVIEW
Ling-Fei Zhang, Shuai Jiang, Mo-Fang Liu
The reprogramming of glucose metabolism from oxidative to glycolytic metabolism, known as the Warburg effect, is an anomalous characteristic of cancer cell metabolism. Recent studies have revealed a subset of microRNAs (miRNAs) that play critical roles in regulating the reprogramming of glucose metabolism in cancer cells. These miRNAs regulate cellular glucose metabolism by directly targeting multiple metabolic genes, including those encoding key glycolytic enzymes. In the first part of this review, we summarized the recent knowledge of miRNA regulation in the reprogramming of glucose metabolism in cancer cells and discussed the potential utilization of the key miRNA regulators as metabolic targets for developing new antitumor agents...
March 20, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28320465/reduced-microbial-diversity-in-adult-survivors-of-childhood-acute-lymphoblastic-leukemia-and-microbial-associations-with-increased-immune-activation
#12
Ling Ling Chua, Reena Rajasuriar, Mohamad Shafiq Azanan, Noor Kamila Abdullah, Mei San Tang, Soo Ching Lee, Yin Ling Woo, Yvonne Ai Lian Lim, Hany Ariffin, P'ng Loke
BACKGROUND: Adult survivors of childhood cancers such as acute lymphoblastic leukemia (ALL) have health problems that persist or develop years after cessation of therapy. These late effects include chronic inflammation-related comorbidities such as obesity and type 2 diabetes, but the underlying cause is poorly understood. RESULTS: We compared the anal microbiota composition of adult survivors of childhood ALL (N = 73) with healthy control subjects (N = 61)...
March 20, 2017: Microbiome
https://www.readbyqxmd.com/read/28319780/new-bis-hydroxymethyl-alkanoate-curcuminoid-derivatives-exhibit-activity-against-triple-negative-breast-cancer-in%C3%A2-vitro-and-in%C3%A2-vivo
#13
Min-Tsang Hsieh, Ling-Chu Chang, Hsin-Yi Hung, Hui-Yi Lin, Mei-Hui Shih, Chang-Hai Tsai, Sheng-Chu Kuo, Kuo-Hsiung Lee
Novel bis(hydroxymethyl) alkanoate curcuminoid derivatives were designed, synthesized and screened for in vitro antiproliferative and in vivo antitumor activity. Selected new compound 9a and curcumin were further evaluated for inhibitory activity against ER(+)/PR(+) breast cancer (MCF-7, T47D), HER 2(+) breast cancer (SKBR3, BT474, and MDA-MB-457) and triple negative breast cancer (TNBC) (HS-578T, MDA-MB-157, and MDA-MB-468) cell lines. In addition, compound 9a was evaluated in the MDA-MB-231 xenograft nude mice model...
March 8, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28316888/quantitative-and-correlation-analysis-of-the-dna-methylation-and-expression-of-dapk-in-breast-cancer
#14
Youzhi Zhu, Shuiqin Li, Qingshui Wang, Ling Chen, Kunlin Wu, Yide Huang, Xiangjin Chen, Yao Lin
BACKGROUND: Death-associated protein kinase 1 (DAPK) is an important tumor suppressor kinase involved in the regulation of multiple cellular activities such as apoptosis and autophagy. DNA methylation of DAPK gene was found in various types of cancers and often correlated with the clinicopathological characteristics. However, the mRNA and protein expression of DAPK in the same sample was rarely measured. Thus, it was unclear if the correlation between DAPK gene methylation and clinicopathological parameters was due to the loss of DAPK expression...
2017: PeerJ
https://www.readbyqxmd.com/read/28315822/protective-effect-of-zerumbone-reduces-lipopolysaccharide-induced-acute-lung-injury-via-antioxidative-enzymes-and-nrf2-ho-1-pathway
#15
Wai-Shing Leung, Ming-Ling Yang, Shiuan-Shinn Lee, Chi-Wen Kuo, Yung-Chyuan Ho, Rosa Huang-Liu, Hui-Wen Lin, Yu-Hsiang Kuan
Acute lung injury (ALI) is a serious disease with high morbidity and mortality rate. Although there are effective strategies for treatment of ALI; a widely accepted specific pharmacotherapy has not yet established. Zerumbone, the major active phytochemical compound from Zingiber zerumbet Smith, exhibits various beneficial biological and pharmacological activities, such as antioxidation, anti-inflammation, immunomodulation, and anti-cancer. We aimed to study the potential protective effects and mechanisms of zerumbone in mouse model of lipopolysaccharide (LPS)-induced ALI...
March 15, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28315428/p53-modulates-the-effect-of-ribosomal-protein-s6-kinase1-s6k1-on-cisplatin-toxicity-in-chronic-myeloid-leukemia-cells
#16
Ling-Yi Xiao, Wai-Ming Kan
Chronic myeloid leukemia (CML) is characterized by the expression of the oncoprotein, BCR-ABL. BCR-ABL inhibitors revolutionized CML chemotherapy while blast crisis (BC) CML patients are less responsive. Since suppression of ribosomal protein S6 kinase1 (S6K1) phosphorylation reverses the resistance to BCR-ABL inhibitor in CML cells and S6K1 inhibitors augment cisplatin toxicity in lung cancer cells, we speculated that combination of S6K1 inhibitor and cisplatin may be beneficial for eliminating BC CML cells...
March 14, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28314544/comprehensive-assessments-of-long-term-sleep-habits-in-epidemiological-study-validity-and-reliability-of-sleep-factors-questionnaire-sfq-among-chinese-women
#17
Wan-Shui Yang, Wen-Xue Fu, Xin Wang, Qin Deng, Ling Wang, Lin-Yan Wang, Hao Zhao, Wen-Yan Fan, Shao-Xin Huang
OBJECTIVE: Epidemiological studies suggested that poor sleep is a potentially novel risk factor for several health outcomes currently; however, there are no validated questionnaires that can systematically measure sleep parameters within these studies. We evaluated the reliability and validity of 17-item sleep factors questionnaire (SFQ), which was developed to comprehensively assess long-term sleep habits for the Jiujiang Breast Cancer Study (JBCS), Jiujiang, China. METHODS: The participants included 100 women aged 18-74years, who were randomly selected from the JBCS project, and completed a SFQ at baseline and again 1year later, and 4 quarterly 30 consecutive days (a total of 120days) sleep diaries over this same year...
April 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28302680/genomic-and-epigenomic-heterogeneity-of-hepatocellular-carcinoma
#18
De-Chen Lin, Anand Mayakonda, Huy Q Dinh, Pinbo Huang, Lehang Lin, Xiaoping Liu, Ling-Wen Ding, Jie Wang, Benjamin Berman, Erwei Song, Dong Yin, H Phillip Koeffler
Understanding the intratumoral heterogeneity of hepatocellular carcinoma (HCC) is instructive for developing personalized therapy and identifying molecular biomarkers. Here we applied whole-exome sequencing to 69 samples from 11 patients to resolve the genetic architecture of subclonal diversification. Spatial genomic diversity was found in all 11 HCC cases, with 29% of driver mutations being heterogeneous, including TERT, ARID1A, NOTCH2, and STAG2. Similar with other cancer types, TP53 mutations were always shared between all tumor regions i...
February 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28302628/fadd-caspase-3-and-caspase-8-and-incidence-of-coronary-events
#19
Ling Xue, Yan Borné, Ingrid Yao Mattisson, Maria Wigren, Olle Melander, Marju Ohro-Melander, Eva Bengtsson, Gunilla Nordin Fredrikson, Jan Nilsson, Gunnar Engström
OBJECTIVE: To investigate the relationship between 3 markers of apoptosis, that is, FADD (Fas-associated death domain-containing protein), caspase-3, and caspase-8, and incidence of coronary events (CEs) in a population-based cohort study. APPROACH AND RESULTS: In vitro experiments were performed to assess the response of the apoptotic biomarkers after Fas stimulation of peripheral blood mononuclear cells. The experiments showed significantly increased releases of FADD, caspase-3, and caspase-8 after Fas stimulation...
March 16, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28299687/a-mini-electrochemical-system-with-integrated-micropipet-tip-and-pencil-graphite-electrode-for-measuring-cytotoxicity
#20
Dong-Mei Wu, Xiao-Ling Guo, Qian Wang, Jin-Lian Li, Ji-Wen Cui, Shi Zhou, Su-E Hao
A novel mini-electrochemical system has been developed for evaluating cytotoxicity of anticancer drugs based on trace cell samples. The mini-electrochemical system was integrated by using pencil graphite modified with threonine as working electrode, an Ag/AgCl reference electrode and a micropipet tip as electrochemical cell. The mini-electrochemical system dramatically reduces sample volumes from 500 μL in a traditional electrochemical system to 10 μL, and exhibits excellent electrocatalytic activity toward oxidation of purine from MCF-7 cells due to increased sensitivity provided by threonine...
2017: Methods in Molecular Biology
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