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https://www.readbyqxmd.com/read/29475214/micro-environment-and-intracellular-metabolism-modulation-of-adipose-tissue-macrophage-polarization-in-relation-to-chronic-inflammatory-diseases
#1
REVIEW
Xiao Zhu, Yixuan Tu, Hainan Chen, Ampadu O Jackson, Vaibhav Patel, Kai Yin
BACKGROUND: The accumulation and pro-inflammatory polarization of immune cells, mainly macrophages, in adipose tissue (AT) are considered crucial factors for obesity-induced chronic inflammatory diseases. SCOPE OF REVIEW: In this review, we highlighted the role of adipose tissue macrophage (ATM) polarization on AT function in the obese state and the effect of the micro-environment and intracellular metabolism on the dynamic switch of ATMs into their pro-inflammatory or anti-inflammatory phenotypes, which may have distinct influences on obesity-related chronic inflammatory diseases...
February 23, 2018: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29475186/an-optofluidic-metasurface-for-lateral-flow-through-detection-of-breast-cancer-biomarker
#2
Yifei Wang, Md Azahar Ali, Edmond K C Chow, Liang Dong, Meng Lu
The rapid growth of point-of-care tests demands for biosensors with high sensitivity and small size. This paper demonstrates an optofluidic metasurface that combines silicon-on-insulator (SOI) nanophotonics and nanofluidics to realize a high-performance, lateral flow-through biosensor. The metasurface is made of a periodic array of silicon nanoposts on an SOI substrate, and functionalized with specific receptor molecules. Bonding of a polydimethylsiloxane slab directly onto the surface results in an ultracompact biosensor, where analyte solutions are restricted to flow only in the space between the nanoposts...
February 17, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29475156/potent-hydrazone-derivatives-targeting-esophageal-cancer-cells
#3
Ling-Yu Li, Jia-Di Peng, Wenjuan Zhou, Hui Qiao, Xin Deng, Zhou-Hua Li, Ji-Deng Li, Yun-Dong Fu, Song Li, Kai Sun, Hong-Min Liu, Wen Zhao
Hydrazone and their derivatives are a series of highly active molecules, which are widely used as lead compounds for the research and development of new anti-cancer drugs. In this study, 20 compounds were synthesized, based on this scaffold and their in vitro cytotoxicity against 6 cancer cell lines, including EC9706, SMMC-7721, MCF7, PC3, MGC-803 and EC109 was tested. Among them, compound 6p, showed strong anti-proliferative activities on esophageal carcinoma cells: EC9706 and EC109 with IC50 values of 1...
February 14, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29475141/quercetin-enhances-chemotherapeutic-effect-of-doxorubicin-against-human-breast-cancer-cells-while-reducing-toxic-side-effects-of-it
#4
Shizheng Li, Song Yuan, Qian Zhao, Bo Wang, Xiuyan Wang, Kun Li
Doxorubicin (Dox) is an efficient drug for breast cancer chemotherapy, however, its toxic side effects on non-tumor tissues, especially on myocardial cells, sometimes limit its clinical application. Therefore, it is necessary to develop a new drug, which can be combined with Dox to potentiate the anti-tumor effect of Dox at a lower concentration and attenuate the toxic side effects of it. Quercetin (Que) has anti-tumor activity in addition to its protective effects on various cells. By preparing human non-tumoral MCF-10A mammary cells, human breast cancer MCF-7 and MDA-MB-231 cells and human myocardial AC16 cells, here, we wanted to evaluate whether Que might represent such an agent and investigate its possible mechanisms of potentiating the anti-tumor effect of Dox at a lower concentration...
February 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29475140/the-prognostic-relevance-of-sentinel-lymph-node-metastases-assessed-by-phgr1-mrna-quantification-in-stage-i-to-iii-colon-cancer
#5
Satu Oltedal, Hartwig Kørner, Ole Gunnar Aasprong, Israr Hussain, Kjersti Tjensvoll, Rune Smaaland, Jon Arne Søreide, Kjetil Søreide, Ragnhild A Lothe, Reino Heikkilä, Bjørnar Gilje, Oddmund Nordgård
BACKGROUND: Regional lymph node (LN) metastasis is a strong and well-established prognostic factor in colon cancer, and recent data suggest a prognostic value of detecting micrometastases and isolated tumor cells in regional LNs. The aim of the study was to investigate the clinical relevance of detecting sentinel lymph node (SLN) metastases in colon cancer patients by measuring the novel metastasis marker PHGR1 mRNA. METHODS: Using quantitative reverse-transcription polymerase chain reaction, we measured PHGR1 mRNA levels in SLNs and primary tumors from 206 patients surgically treated for stage I to III colon cancer and 52 normal LNs from patients undergoing surgery for benign colon diseases...
February 20, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29475139/superior-therapeutic-efficacy-of-nanoparticle-albumin-bound-paclitaxel-over-cremophor-bound-paclitaxel-in-experimental-esophageal-adenocarcinoma
#6
Md Sazzad Hassan, Niranjan Awasthi, Jun Li, Fiona Williams, Margaret A Schwarz, Roderich E Schwarz, Urs von Holzen
Esophageal adenocarcinoma (EAC) is the fastest growing cancer in the western world and the overall 5 year survival rate of EAC is below 20%. Most patients with EAC present with locally advanced or widespread metastatic disease, where current treatment is largely ineffective. Therefore, new therapeutic approaches are urgently needed. Nanoparticle albumin-bound paclitaxel (nab-paclitaxel) is a novel albumin-stabilized, cremophor-free and water soluble nanoparticle formulation of paclitaxel, and the potential role of nab-paclitaxel has not been tested yet in experimental EAC...
February 20, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29475118/kockdown-of-oip5-as1-expression-inhibits-proliferation-metastasis-and-emt-progress-in-hepatoblastoma-cells-through-up-regulating-mir-186a-5p-and-down-regulating-zeb1
#7
Ze Zhang, Feng Liu, Fan Yang, Yahui Liu
Long non-coding RNA OIP5-AS1 has been studied in human diseases, including several kinds of cancers. It was not studied or reported in hepatoblastoma, so we chose it to do our research in hepatoblastoma. We thought OIP5-AS1 was oncogenic in hepatoblastoma for the high expression of it in hepatoblastoma tissues and cells. OIP5-AS1 knockdown was carried out in cancer cells. Unsurprisingly, this action was verified to be able to inhibit cell proliferation, metastasis and EMT progress in hepatoblastoma. We then measured the low expression level of miR-186a-5p and the high expression level of ZEB1 in hepatoblastoma tissues and cells...
February 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29475099/andrographolide-derivative-cx-10-ameliorates-dextran-sulphate-sodium-induced-ulcerative-colitis-in-mice-involvement-of-nf-%C3%AE%C2%BAb-and-mapk-signalling-pathways
#8
Zhenfang Gao, Cuicui Yu, Haiyue Liang, Xuekai Wang, Yue Liu, Xin Li, Kai Ji, Hui Xu, Mingyan Yang, Ke Liu, Dong Qi, Huaying Fan
Ulcerative colitis (UC) is a type of inflammatory bowel disease (IBD), which is characterized by chronic intestinal inflammation and leads to an increased risk of colon cancer. There are many studies using phyto-ingredients as a novel approach for the treatment of UC. The plant Andrographis paniculata (Acanthaceae) is a safe and edible vegetable that has been extensively adopted in traditional Chinese medicine for conditions involving inflammation, and the most active phytochemical agent is andrographolide...
February 20, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29475067/transcriptional-profiling-of-male-cd-1-mouse-lungs-and-harderian-glands-supports-the-involvement-of-calcium-signaling-in-acrylamide-induced-tumors
#9
Nikolai L Chepelev, Rémi Gagné, Timothy Maynor, Byron Kuo, Cheryl A Hobbs, Leslie Recio, Carole L Yauk
Acrylamide (AA) exposure causes increased incidence of forestomach, lung, and Harderian gland tumors in male mice. One hypothesized mode of action (MOA) for AA-carcinogenicity includes genotoxicity/mutagenicity as a key event, possibly resulting from AA metabolism to the direct genotoxic metabolite glycidamide. Alternatively, altered calcium signaling (CS) has been proposed as a central key event in the MOA. To examine the plausibility of these proposed MOAs, RNA-sequencing was performed on tumor target tissues: Harderian glands (the most sensitive tumor target tissue in the rodent 2-year cancer bioassay) and lungs of AA-exposed male CD-1 mice...
February 20, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29475060/lanatoside-c-inhibits-cell-proliferation-and-induces-apoptosis-through-attenuating-wnt-%C3%AE-catenin-c-myc-signaling-pathway-in-human-gastric-cancer-cell
#10
Yudong Hu, Kaikai Yu, Gang Wang, Depeng Zhang, Chaoji Shi, Yunhe Ding, Duo Hong, Dan Zhang, Huiqiong He, Lei Sun, Jun-Nian Zheng, Shuyang Sun, Feng Qian
Gastric cancer is the third common cause of cancer mortality in the world with poor prognosis and high recurrence due to lack of effective medicines. Our studies revealed that lanatoside C, a FDA-approved cardiac glycoside, had an anti-proliferation effect on different human cancer cell lines (MKN-45; SGC-7901; HN4; MCF-7; HepG2) and gastric cell lines MKN-45 and SGC-7901 were the most sensitive cell lines to lanatoside C. MKN-45 cells treated with lanatoside C showed cell cycle arrest at G2/M phase and inhibition of cell migration...
February 20, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29475041/antrodia-cinnamomea-mycelial-fermentation-broth-inhibits-the-epithelial-mesenchymal-transition-of-human-esophageal-adenocarcinoma-cancer-cells
#11
Yu-Ming Liu, Yu-Kuo Liu, Pin-I Huang, Tung-Hu Tsai, Yu-Jen Chen
Esophageal cancer is associated with a high mortality rate and easy metastasis. The aim of this study is to investigate the effect of the bio-product Antrodia cinnamomea mycelial fermentation broth (AC-MFB) on the epithelial mesenchymal transition (EMT) of human esophageal cancer cells and the molecular mechanisms underlying these effects. Transforming growth factor β (TGF-β) was used to induce EMT in human esophageal BE3 cancer cells. Changes in cell morphology and migration potential were examined. The expression of E-cadherin, N-cadherin, vimentin, and other transcriptional factors was studied by western blot assay...
February 20, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29475036/adamts-6-is-a-predictor-of-poor-prognosis-in-patients-with-esophageal-squamous-cell-carcinoma
#12
Lan Liu, Zhaoting Yang, Weidong Ni, Yanhua Xuan
BACKGROUND: A disintegrin and metalloprotease with thrombospondin motif (ADAMTS) enzymes play important roles in cell functions including adhesion, invasion, migration, and proliferation. ADAMTS-6 is a member of the ADAMTS family; reports of its relationship with esophageal squamous cell carcinoma (ESCC) progression are rare. It is unclear whether ADAMTS-6 could be an independent ESCC biomarker. METHODS: ADAMTS-6 expression was detected by immunohistochemistry (IHC) in 171 paraffin-embedded ESCC specimens; relationships with patients' clinicopathological features and Twist-1 expression were analyzed by the Pearson Chi-square method, respectively...
February 20, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29475028/n-nitrosamines-in-drinking-water-and-beer-detection-and-risk-assessment
#13
Chun-Cheng Fan, Tsair-Fuh Lin
Occurrence and risk related to nitrosamines, a group of carcinogenic compounds found in some drinking waters and beer, are studied. An analytical method using a solid-phase micro-extraction (SPME) along with gas chromatography (GC) and mass spectrometry (MS) was developed to determine seven N-nitrosamines in drinking water and beer, including N-nitrosomethylamine (NMEA), N-nitrosodiethylamine (NDEA), N-nitrosodimethylamine (NDMA), N-nitrosodi-n-propylamine (NDPA), N-nitrosopyrrolidine (NPyr), N-nitrosopiperidine (NPip), and N-nitrosodinbutylamine (NDBA)...
February 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29475020/cancer-survivors-an-expanding-population-with-an-increased-cardiometabolic-risk
#14
REVIEW
Francesco Felicetti, Nicoletta Fortunati, Enrico Brignardello
In the last decades the survival rate of patients diagnosed with cancer - both in childhood and adulthood - significantly improved, leading to a growing number of cancer survivors (CS) within general population. Despite the better survival rate related to the cancer diagnosis, CS show increased mortality and morbidity if compared to non-cancer population, due to the occurrence of health conditions categorized as late effects of previous anticancer treatments. Cardiovascular (CV) diseases are one of the main responsible for this increased morbidity of CS...
February 20, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29475007/p-gp-is-involved-in-the-intestinal-absorption-and-biliary-excretion-of-afatinib-in-vitro-and-in-rats
#15
Yan Zhang, Changyuan Wang, Zhihao Liu, Qiang Meng, Xiaokui Huo, Qi Liu, Pengyuan Sun, Xiaobo Yang, Huijun Sun, Xiaodong Ma, Kexin Liu
BACKGROUND: Afatinib is an irreversible multi-targeted TKI, used in the treatment with EGFR mutated non-small cell lung cancer (NSCLC). The purpose of this study is to explore the molecular pharmacokinetic mechanism underlying the effect of P-gp inhibitors on the intestinal absorption and biliary excretion and to understand how P-gp inhibitors affect afatinib pharmacokinetics. METHODS: Pharmacokinetics in vivo, in situ intestinal perfusion, perfused rat liver in situ, Caco-2 cells, P-gp ATPase activity, sandwich-cultured rat hepatocytes (SCRH) and transfected-cell transport were used in the evaluation...
November 4, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29475001/regulation-of-tak1-alternative-splicing-by-splice-switching-oligonucleotides
#16
Donghu Zhou, Qianqian Shao, Xu Fan, Peng Wu, Weiran Lin, Handong Wei, Fuchu He, Ying Jiang
Alternative splicing (AS) generates multiple isoforms from a single precursor mRNA, and these isoforms usually exhibit different tissue distributions and functions. Aberrant protein isoforms can lead to abnormalities in protein function and may even result in genetic disorders or cancer. In recent years, splice-switching oligonucleotides (SSOs) have emerged as a promising therapeutic strategy for several neurological diseases, but the efficacy of this strategy in other organs is less reported. In this study, we designed and synthesized SSOs targeting the splicing regulators of exon 12 of the Tak1 gene, inducing variant switching between Tak1-A and Tak1-B...
February 20, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29474996/considerations-for-exercise-prescription-in-patients-with-bone-metastases-a-comprehensive-narrative-review
#17
REVIEW
Gráinne Sheill, Emer M Guinan, Nicola Peat, Juliette Hussey
Metastatic disease is a frequent complication of advanced cancer, with bone representing one of the most common sites of metastatic occurrence. Patients with bone metastases receive long-term systemic treatments which have a significant attritional impact on muscle strength, fatigue and physical functioning. Physical rehabilitation involving exercise and physical activity prescription has a considerable role in counteracting these changes however exercise is often perceived as a contraindication in the presence of bone metastases due to concerns about aggravating skeletal related events...
February 20, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29474991/endocrine-therapy-and-palbociclib-within-a-compassionate-use-program-in-heavily-pretreated-hormone-receptor-positive-her2-negative-metastatic-breast-cancer
#18
Christian Maurer, Arlindo R Ferreira, Samuel Martel, Matteo Lambertini, Noam Pondé, Philippe Aftimos, Evandro de Azambuja, Martine Piccart
This is a single center retrospective analysis of patients with hormone receptor-positive, HER2-negative metastatic breast cancer progressing after ≥ 4 treatment lines treated with palbociclib in combination with endocrine therapy within a compassionate use program. Thirty-four patients were included between 10/2015 and 02/2017, the majority (82.4%) being previously treated with mTOR inhibitors. Disease control rate was 52.9% and 24.4% at week 12 and 24. Overall progression-free survival was 3.1 months with no difference between mTOR inhibitor-pretreated (3...
February 20, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29474983/an-in-depth-evaluation-of-the-validity-and-logistics-surrounding-the-testing-of-ar-v7-mrna-expression-in-circulating-tumor-cells
#19
Anieta M Sieuwerts, Bianca Mostert, Michelle van der Vlugt-Daane, Jaco Kraan, Corine Beaufort, Mai Van, Wendy J C Prager, Bram De Laere, Nick Beije, Paul Hamberg, Hans M Westgeest, Metin Tascilar, Luc Y Dirix, Wendy Onstenk, Ronald de Wit, Martijn P Lolkema, Ron H J Mathijssen, John W M Martens, Stefan Sleijfer
Recent reports have emphasized the clinical relevance of detecting the androgen receptor splice variant 7 (AR-V7) in circulating tumor cells (CTCs). Our aim was to set up a validated multicenter pipeline to measure AR-V7 by RT-qPCR in RNA isolated from CellSearch-enriched CTCs to provide an AR-V7 positive/negative score in a clinically acceptable time range. CellSearch-enirched CTCs from metastatic castration-resistant prostate cancer patients were characterized by RT-qPCR. After optimization it was prospectively tested whether it was possible to report the AR-V7 status within 11 days (PRELUDE study)...
February 20, 2018: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/29474982/deciphering-elevated-microsatellite-alterations-at-selected-tetra-pentanucleotide-repeats-microsatellite-instability-and-loss-of-heterozygosity-in-colorectal-cancers
#20
Yang Wang, Cindy L Vnencak-Jones, Justin M Cates, Chanjuan Shi
Elevated microsatellite alterations at selected tetranucleotide repeats are common in colorectal cancers (CRCs). Its association with classic mono/dinucleotide microsatellite instability (MSI) is unknown. We assessed the stability of 13 tetranucleotide and three pentanucleotide repeat markers on both tumor and normal tissue from a cohort of 22 MSI-high (MSI-H) and 107 microsatellite stable (MSS) CRCs. When present, instability was observed at tetra/pentanucleotide repeats and defined as elevated microsatellite alterations at selected tetra/pentanucleotide repeats-high (EMASTP-H) (≥ 30% instability), EMASTP-low (<30% instability), and EMASTP-stable...
February 20, 2018: Journal of Molecular Diagnostics: JMD
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