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https://www.readbyqxmd.com/read/28820578/integrated-microfluidic-platform-with-multiple-functions-to-probe-the-tumor-endothelial-cell-interaction
#1
Ling Lin, Xuexia Lin, Luyao Lin, Qiang Feng, Takehiko Kitamori, Jin-Ming Lin, Jiashu Sun
Interaction between tumor and endothelial cells could affect tumor growth and progression, and induce drug resistance during cancer therapy. Investigation on tumor-endothelial cell interaction involves cell co-culture, protein detection, and analysis of drug metabolites, which are complicated and time-consuming. In this work, we present an integrated microfluidic device with three individual components (the cell co-culture component, the protein detection component, and the pre-treatment component for drug metabolites) to probe the interaction between tumor and endothelial cells...
August 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28819779/curcuma-wenyujin-y-h-chen-et-c-ling-n-butyl-alcohol-extract-inhibits-ags-cell-helicobacter-pylori-caga-vaca-promoted-invasiveness-by-down-regulating-caudal-type-homeobox-transcription-factor-and-claudin-2-expression
#2
Hai-Feng Jin, Jin-Feng Dai, Li-Na Meng, Bin Lu
OBJECTIVE: To investigate the effects and possible mechanisms of action of Curcuma wenyujin Y. H. Chen et C. Ling n-Butyl alcohol extract (CWNAE) on repression of human gastric cancer (GC) AGS cell invasion induced by co-culturing with Helicobacter pylori (HP). METHODS: AGS cells were cultured with HP of positive or negative cytotoxin-associated gene A (CagA) and vacuolating cytotoxin gene A (VacA) expression (CagA+/- or VacA+/-) and divided into 5 group. Group A was cultured without HP as a control, Group B with HPCagA+VacA+, Group C with HPCagA-VacA-, Group D with HPCagA+VacA+ and CWNAE, and Group E with HPCagA-VacA- and CWNAE...
August 17, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28819565/genomic-and-immune-heterogeneity-are-associated-with-differential-responses-to-therapy-in-melanoma
#3
Alexandre Reuben, Christine N Spencer, Peter A Prieto, Vancheswaran Gopalakrishnan, Sangeetha M Reddy, John P Miller, Xizeng Mao, Mariana Petaccia De Macedo, Jiong Chen, Xingzhi Song, Hong Jiang, Pei-Ling Chen, Hannah C Beird, Haven R Garber, Whijae Roh, Khalida Wani, Eveline Chen, Cara Haymaker, Marie-Andrée Forget, Latasha D Little, Curtis Gumbs, Rebecca L Thornton, Courtney W Hudgens, Wei-Shen Chen, Jacob Austin-Breneman, Robert Szczepaniak Sloane, Luigi Nezi, Alexandria P Cogdill, Chantale Bernatchez, Jason Roszik, Patrick Hwu, Scott E Woodman, Lynda Chin, Hussein Tawbi, Michael A Davies, Jeffrey E Gershenwald, Rodabe N Amaria, Isabella C Glitza, Adi Diab, Sapna P Patel, Jianhua Hu, Jeffrey E Lee, Elizabeth A Grimm, Michael T Tetzlaff, Alexander J Lazar, Ignacio I Wistuba, Karen Clise-Dwyer, Brett W Carter, Jianhua Zhang, P Andrew Futreal, Padmanee Sharma, James P Allison, Zachary A Cooper, Jennifer A Wargo
Appreciation for genomic and immune heterogeneity in cancer has grown though the relationship of these factors to treatment response has not been thoroughly elucidated. To better understand this, we studied a large cohort of melanoma patients treated with targeted therapy or immune checkpoint blockade (n = 60). Heterogeneity in therapeutic responses via radiologic assessment was observed in the majority of patients. Synchronous melanoma metastases were analyzed via deep genomic and immune profiling, and revealed substantial genomic and immune heterogeneity in all patients studied, with considerable diversity in T cell frequency, and few shared T cell clones (<8% on average) across the cohort...
2017: NPJ Genomic Medicine
https://www.readbyqxmd.com/read/28819375/bone-marrow-derived-mesenchymal-stem-cells-involve-in-the-lymphangiogenesis-of-lung-cancer-and-jinfukang-inhibits-the-involvement-in-vivo
#4
Xian-Mei Zhou, Dan Wang, Hai-Lang He, Jie Tang, Jing Wu, Ling Xu, Jian-Xin Li
Lymphangiogenesis plays an important role in cancer metastasis. Bone marrow-derived mesenchymal stem cells (BMMSCs) migrate to the site of tumorigenesis and in turn promote the metastasis. However, whether BMMSCs involve in the lymphangiogenesis of lung cancer is unclear. Jinfukang has clinically been used for the treatment of non small cell lung cancer (NSCLC) in China. In this study, to investigate the involvement of BMMSCs in lymphangiogenesis in lung cancer, and evaluate the inhibitory effect of Jinfukang on the lymphangiogenesis, chimeric mice were prepared by transplanting bone marrow from green fluorescent protein (GFP) transgenic mice (C57BL/6-EGFP) into irradiated C57BL/6 mice...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28818493/progression-free-survival-and-time-to-progression-as-real-surrogate-end-points-for-overall-survival%C3%A2-in-advanced-breast-cancer-a-meta-analysis-of-37-trials
#5
Ling Li, Zhanyu Pan
BACKGROUND: Progression-free survival (PFS) and time to progression (TTP) have been reported to correlate with overall survival (OS) in several cancer types. To our knowledge, however, the correlation between them is unclear. METHODS: A literature-based meta-analysis was performed to assess whether PFS and TTP can be considered reliable surrogate end points for OS in a phase 3 clinical trial of advanced breast cancer (ABC). The median hazard ratios of PFS/TTP and OS were analyzed by determining their nonparametric Spearman rank correlation coefficients (Rs)...
July 25, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28818252/origins-of-cancer-disparities-in-young-adults-logic-models-to-guide-research
#6
Robert A Hiatt, Margaret A Handley, Pamela M Ling, Esteban Burchard, Neeta Thakur, Kirsten Bibbins-Domingo
Cancer disparities research is motivated by persistent inequities in cancer outcomes by race, ethnicity, social status, neighborhood location, and other subpopulation characteristics. These inequities have proven to be persistent and difficult to alter. Part of the reason for the frustration with slow progress is a lack of appreciation of the long-term nature of the undertaking. It is highly likely that the disparities observed in adulthood find their origins in young adulthood, if not earlier. A long-term perspective is needed, recognizing that successes may take many years to realize...
September 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28818250/bars-nightclubs-and-cancer-prevention-new-approaches-to-reduce-young-adult-cigarette-smoking
#7
Pamela M Ling, Louisa M Holmes, Jeffrey W Jordan, Nadra E Lisha, Kirsten Bibbins-Domingo
INTRODUCTION: Tobacco contributes to multiple cancers, and it is largely preventable. As overall smoking prevalence in California declines, smoking has become concentrated among high-risk groups. Targeting social/cultural groups (i.e., "peer crowds") that share common values, aspirations, and activities in social venues like bars and nightclubs may reach high-risk young adult smokers. Lack of population data on young adult peer crowds limits the ability to assess the potential reach of such interventions...
September 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28818240/reducing-cancer-and-cancer-disparities-lessons-from-a-youth-generated-diabetes-prevention-campaign
#8
Dean Schillinger, Pamela M Ling, Sarah Fine, Cherrie B Boyer, Elizabeth Rogers, Roberto Ariel Vargas, Kirsten Bibbins-Domingo, Wen-Ying Sylvia Chou
Adolescence and young adulthood, a period essential for determining exposures over the life-course, is an ideal time to intervene to lower cancer risk. This demographic group can be viewed as both the target audience and generator of messages for cancer prevention, such as skin cancer, obesity-, tobacco-, and human papillomavirus-related cancers. The purpose of this paper is to encourage innovative health communications that target youth; youth behavior; and the structural, environmental, and social determinants of youth behavior as critical areas of focus for cancer prevention and disparities reduction...
September 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28817605/all-trans-retinoic-acid-suppresses-malignant-characteristics-of-cd133-positive-thyroid-cancer-stem-cells-and-induces-apoptosis
#9
Dan Mei, Bin Lv, Bo Chen, Shan Xiao, Jie Jiang, Yan Xie, Ling Jiang
Recently, diagnoses of radioiodine-refractory differentiated thyroid cancer (RAI-R DTC) have become more common; prognosis is poor. It has been suggested that cancer stem cells account for radiotherapy resistance. By flow cytometry, different expression percents of CD133 and OCT4 in thyroid cancer cell lines were detected. By real-time quantitative PCR, different mRNA expression of CD133, OCT4, GLUT1, thyroglobulin (TG), thyroperoxidase (TPO) and sodium iodine symporter (NIS) was analyzed; the localization of CD133, OCT4, and NIS expression was examined using immunofluorescence confocal microscopy...
2017: PloS One
https://www.readbyqxmd.com/read/28816973/soy-food-intake-and-risk-of-gastric-cancer-a-dose-response-meta-analysis-of-prospective-studies
#10
Ke-Gui Weng, Ya-Ling Yuan
Epidemiological studies were inconsistent on the association between soy food intake and risk of gastric cancer (GC). This study aimed to determine the role of soy food intake in the development of GC.A systematic search was conducted in PubMed and Web of Science to identify all relevant studies. Study-specific relative risks (RRs) and 95% confidence intervals (CIs) were pooled using a random-effects model, and the dose-response relationship between soy food intake and GC risk was also assessed.Thirteen prospective studies were identified with a total of 517,106 participants and 5800 cases...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816969/immediate-breast-reconstruction-with-omental-flap-for-luminal-breast-cancer-patients-ten-clinical-case-reports
#11
Nanlin Li, Zhao Zheng, Jipeng Li, Jing Fan, Ting Wang, Juliang Zhang, Hui Wang, Jianghao Chen, Yonggang Lv, Jun Yi, Meiling Huang, Rui Ling
RATIONALE: Luminal subtype breast cancer, accounting for 70 to 80% of all breast cancers, has been reported to be associated with good prognosis. However, for the patients with large mass or worse mass position, omental flap transplantation may provide a new option for breast reconstruction. PATIENT CONCERNS: Ten patients (6 luminal B1, 2 luminal B2, 2 luminal A), were enrolled into the study, between January 23, 2015 and August 22, 2016. The mean age was 34.6 ± 6...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816236/microrna-132-suppresses-cell-proliferation-in-human-breast-cancer-by-directly-targeting-foxa1
#12
Dan Wang, Jin Ren, Hui Ren, Jin-Ling Fu, Dan Yu
Dysregulation of microRNAs (miRNAs) has been implicated in cancer. Recently, miR-132 has been reported to be downregulated in the tissues of patients with breast cancer. In this study, we investigated the functional role of miR-132 and its direct target FOXA1 in breast cancer cells. In 30 human breast cancer tissues, FOXA1 was significantly overexpressed and negatively correlated with miR-132 expression. A bioinformatics analysis suggested that FOXA1 was a potential target of miR-132. Furthermore, dual luciferase reporter assays revealed that miR-132 dose-dependently inhibited the luciferase activity of the wt 3'UTR of FOXA1 rather than the mut 3'UTR of FOXA1 in human MDA-MB-468 and SK-BR3 breast cancer cells...
August 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28813596/molecular-imaging-of-p-glycoprotein-in-chemoresistant-tumors-using-a-dual-modality-pet-fluorescence-probe
#13
Mengzhe Wang, Chengqiong Mao, Hui Wang, Xueying Ling, Zhanhong Wu, Zi-Bo Li, Xin Ming
Overexpression of P-glycoprotein (Pgp) has been considered a primary cause for multidrug resistance in a variety of cancers for three decades. However, clinical translation of Pgp targeted therapeutics has been hindered by lack of patient preselection based on the Pgp presence in tumors. We aim to develop a molecularly targeted probe for imaging tumoral Pgp in vivo with positron emission tomography (PET) and fluorescence, and to provide a tool for preselecting the patients with tumoral Pgp expression. Thus, a Pgp monoclonal antibody 15D3 was chemically modified with IRDye800 (IR800) and DOTA chelator...
August 16, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28811960/rehmannia-glutinosa-polysaccharide-induces-toll-like-receptor-4-dependent-spleen-dendritic-cell-maturation-and-anti-cancer-immunity
#14
Li Xu, Minseok Kwak, Wei Zhang, Ling Zeng, Peter Chang-Whan Lee, Jun-O Jin
Rehmannia glutinosa polysaccharide (RGP) has shown an activation of immune cells in vitro. However, the immune stimulatory effect of RGP in a mouse in vivo is not well studied. In this study, we examined the effect of RGP on dendritic cell (DC) activation and anticancer immunity in vivo. Treatments of RGP in C56BL/6 mice induced increased levels of co-stimulatory molecule expression and pro-inflammatory cytokine production in spleen DCs dependent on toll-like receptor 4 (TLR4), and those DCs promoted interferon-gamma (IFNγ) production in CD4(+) and CD8(+) T cells...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28811593/prognostic-value-of-routine-laboratory-variables-in-prediction-of-breast-cancer-recurrence
#15
Zhu Zhu, Ling Li, Zhong Ye, Tong Fu, Ye Du, Aiping Shi, Di Wu, Ke Li, Yifan Zhu, Chun Wang, Zhimin Fan
The prognostic value of routine laboratory variables in breast cancer has been largely overlooked. Based on laboratory tests commonly performed in clinical practice, we aimed to develop a new model to predict disease free survival (DFS) after surgical removal of primary breast cancer. In a cohort of 1,596 breast cancer patients, we analyzed the associations of 33 laboratory variables with patient DFS. Based on 3 significant laboratory variables (hemoglobin, alkaline phosphatase, and international normalized ratio), together with important demographic and clinical variables, we developed a prognostic model, achieving the area under the curve of 0...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810606/aspergillus-niger-bloodstream-infection-in-gastric-cancer-after-common-hepatic-artery-embolization-a-case-report
#16
Li Lin, Chuan-Hua Zhao, Xiu-Yun Yin, Yu-Ling Chen, Hong-Yan Zhai, Chun-Wei Xu, Yan Wang, Fei-Jiao Ge, Jian-Ming Xu
The present case study reported on a 62-year-old male patient with gastric cancer-associated Aspergillus (A.) niger bloodstream infection. The patient presented with massive hemorrhage in the gastrointestinal tract 3 months after total gastrectomy for gastric cancer. Conservative treatment consisting of blood transfusion to supplement blood volume loss was ineffective. Digital subtraction angiography indicated gastroduodenal artery bleeding. The first attempt of performing arterial embolization using gelatin sponges failed, while the second attempt of performing common hepatic artery embolization using gelatin sponges and micro-coil springs stopped the bleeding...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808311/antitumor-properties-of-coenzyme-q0-against-human-ovarian-carcinoma-cells-via-induction-of-ros-mediated-apoptosis-and-cytoprotective-autophagy
#17
You-Cheng Hseu, Tai-Jung Tsai, Mallikarjuna Korivi, Jer-Yuh Liu, Hui-Jye Chen, Chung-Ming Lin, Yi-Chun Shen, Hsin-Ling Yang
Coenzyme Q0 (CoQ0, 2,3-dimethoxy-5-methyl-1,4-benzoquinone) has been reported to exert anticancer properties against human breast/lung cancer cells. This study investigated the in vitro and in vivo anticancer properties of CoQ0 on human ovarian carcinoma (SKOV-3) cells and xenografted nude mice, and revealed the underlying molecular mechanism. CoQ0 induced G2/M arrest through downregulation of cyclin B1/A and CDK1/K2 expressions. CoQ0-induced autophagy as a survival mechanism was evidenced by increased accumulation of LC3-II, GFP-LC3 puncta, AVOs formation and Beclin-1/Bcl-2 dysregulation...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28806231/exploring-the-role-of-key-workers-in-cancer-care-patient-and-staff-perspectives
#18
Jonathan Ling, Karen McCabe, Sue Brent, Ann Crosland, Lyn Brierley-Jones
PURPOSE/AIMS: The key worker role in cancer services was established in England to improve the continuity of care for patients. We examined how the role has been implemented by clinical nurse specialists and how both cancer patients and nursing staff viewed its effectiveness to inform debate about the transfer of patients between clinical nurse specialists during cancer care. DESIGN: This study was questionnaire based, with separate surveys developed for patients and staff...
September 2017: Clinical Nurse Specialist CNS
https://www.readbyqxmd.com/read/28805874/microfluidic-modeling-of-the-biophysical-microenvironment-in-tumor-cell-invasion
#19
Yu Ling Huang, Jeffrey E Segall, Mingming Wu
Tumor cell invasion, whether penetrating through the extracellular matrix (ECM) or crossing a vascular endothelium, is a critical step in the cancer metastatic cascade. Along the way from a primary tumor to a distant metastatic site, tumor cells interact actively with the microenvironment either via biomechanical (e. g. ECM stiffness) or biochemical (e.g. secreted cytokines) signals. Increasingly, it is recognized that the tumor microenvironment (TME) is a critical player in tumor cell invasion. A main challenge for the mechanistic understanding of tumor cell-TME interactions comes from the complexity of the TME, which consists of extracellular matrices, fluid flows, cytokine gradients and other cell types...
August 14, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28805820/prostate-cancer-associated-spop-mutations-confer-resistance-to-bet-inhibitors-through-stabilization-of-brd4
#20
Xiangpeng Dai, Wenjian Gan, Xiaoning Li, Shangqian Wang, Wei Zhang, Ling Huang, Shengwu Liu, Qing Zhong, Jianping Guo, Jinfang Zhang, Ting Chen, Kouhei Shimizu, Francisco Beca, Mirjam Blattner, Divya Vasudevan, Dennis L Buckley, Jun Qi, Lorenz Buser, Pengda Liu, Hiroyuki Inuzuka, Andrew H Beck, Liewei Wang, Peter J Wild, Levi A Garraway, Mark A Rubin, Christopher E Barbieri, Kwok-Kin Wong, Senthil K Muthuswamy, Jiaoti Huang, Yu Chen, James E Bradner, Wenyi Wei
The bromodomain and extraterminal (BET) family of proteins comprises four members-BRD2, BRD3, BRD4 and the testis-specific isoform BRDT-that largely function as transcriptional coactivators and play critical roles in various cellular processes, including the cell cycle, apoptosis, migration and invasion. BET proteins enhance the oncogenic functions of major cancer drivers by elevating the expression of these drivers, such as c-Myc in leukemia, or by promoting the transcriptional activities of oncogenic factors, such as AR and ERG in prostate cancer...
August 14, 2017: Nature Medicine
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