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https://www.readbyqxmd.com/read/28431315/effects-of-pm2-5-exposure-on-the-notch-signaling-pathway-and-immune-imbalance-in-chronic-obstructive-pulmonary-disease
#1
Xing-Yu Gu, Xu Chu, Xiao-Li Zeng, Hai-Rong Bao, Xiao-Ju Liu
Chronic Obstructive Pulmonary Disease (COPD) is associated with T lymphocytes subset (Th1/Th2, Th17/Treg) imbalance. Notch signaling pathway plays a key role in the development of the adaptive immunity. The immune disorder induced by fine particulate matter (PM2.5) is related to COPD. The aim of this study was to investigate the mechanism by which PM2.5 influences the Notch signaling pathway leading to worsening immune disorder and accelerating COPD development. A COPD mouse model was established by cigarette smoke exposure...
April 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28431176/effect-of-melatonin-on-renewal-of-chicken-small-intestinal-mucosa
#2
J Li, R X Li, G Liu, C F Lv, Y L Mi, C Q Zhang
A higher concentration of melatonin (MEL) in the intestine - even more than that in the plasma and pineal gland - implies its putative important role in the gastrointestinal structural or functional regulation. However, little evidence has shown that MEL can regulate the physiological functions of the intestinal mucosa. In this study, fertilized chicken eggs were treated with MEL (0.1 to 10 μg/d) from embryonic d 12 (E12) to post-hatching d 6 (D6), and the small intestine samples were collected at D6 to determine the changes in mucosal construction and function...
April 20, 2017: Poultry Science
https://www.readbyqxmd.com/read/28428712/notch-signaling-mediated-by-tgf-%C3%AE-smad-pathway-in-concanavalin-a-induced-liver-fibrosis-in-rats
#3
Yi Wang, Ruo-Wu Shen, Bing Han, Zhen Li, Le Xiong, Feng-Yu Zhang, Bei-Bei Cong, Bei Zhang
AIM: To explore the exact interaction between Notch and transforming growth factor (TGF)-β signaling in liver fibrosis. METHODS: We established a rat model of liver fibrosis induced by concanavalin A. Peripheral blood mononuclear cells (PBMCs) were isolated from the modeled rats, and cultured with γ-secretase inhibitor DAPT and TGF-β inhibitor for 24 h. The mRNA levels of Notch and TGF-β signaling were detected by quantitative real-time polymerase chain reaction...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28426366/notch1-induces-endothelial-senescence-and-promotes-tumor-progression
#4
Juan Rodriguez-Vita, Andreas Fischer
No abstract text is available yet for this article.
April 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28424456/paraquat-poisoning-induced-pulmonary-epithelial-mesenchymal-transition-through-notch1-pathway
#5
Tiegang Li, Xiangming Yang, Shiyu Xin, Yan Cao, Nana Wang
Progressive pulmonary fibrosis is the most characteristic feature of subacute PQ poisoning. Epithelial-to-mesenchymal transition (EMT) is reported to be involved in the pulmonary fibrosis after PQ exposure. Recent evidence suggested Notch signaling is required for EMT. In this study, we investigated whether Notch1 and TGF-β1/Smad3 signaling was involved in EMT caused by PQ. It is demonstrated that A549 cells underwent EMT after treated with PQ at dose of 300 μmol/L for 6 days, charactered by increasing expression of mesenchymal marker α-SMA and decreasing expression of epithelial marker E-cadherin...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424451/prognostic-impact-of-notch1-myd88-and-sf3b1-mutations-in-polish-population-of-chronic-lymphocytic-leukemia-patients
#6
Maciej Putowski, Marta Podgórniak, Marta Piróg, Joanna Knap, Joanna Zaleska, Joanna Purkot, Jacek Zawiślak, Ewelina Zakrzewska, Agnieszka Karczmarczyk, Paulina Własiuk, Edyta Subocz, Krzysztof Giannopoulos
INTRODUCTION    Currently available prognostic factors determining the course of chronic lymphocytic leukemia (CLL) are not fully efficient especially for newly diagnosed patients. Investigation of molecular changes may help to clarify the reasons of the heterogeneity of the disease. Apart from already confirmed TP53 mutations, novel lesions: NOTCH1, SF3B1 and MYD88 might represent biomarkers of clinical relevance.  OBJECTIVES    The aim was to evaluate mutational status of NOTCH1, MYD88 and SF3B1 and to compare results with confirmed prognostic factors: ZAP-70, CD38 and IGHV mutation...
April 20, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28423575/activated-notch-signaling-augments-cell-growth-in-hepatocellular-carcinoma-via-up-regulating-the-nuclear-receptor-nr4a2
#7
Bo Zhu, Lichun Sun, Wei Luo, Min Li, David H Coy, Long Yu, Wenbo Yu
Hepatocellular carcinoma (HCC) is one of the most malignant cancers. Conventional therapies are limited due to the human liver being such a unique organ and easily showing side-effects. The unclear molecular mechanisms are tough challenges for scientists searching for new and effective anti-HCC targeting drugs. We identified that the nuclear receptor NR4A2 is a novel oncogene in HCC progression. In this study, we show that NR4A2 and the notch recceptor Notch1 were expressed highly in primary HCC tissues and immortal HCC cells by using qPCR, western blot and immuno-histochemistry assays...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423483/microrna-34a-targets-epithelial-to-mesenchymal-transition-inducing-transcription-factors-emt-tfs-and-inhibits-breast-cancer-cell-migration-and-invasion
#8
Saber Imani, Chunli Wei, Jingliang Cheng, Md Asaduzzaman Khan, Shangyi Fu, Luquan Yang, Mousumi Tania, Xianqin Zhang, Xiuli Xiao, Xianning Zhang, Junjiang Fu
MicroRNA-34a (miR-34a) plays an essential role against tumorigenesis and progression of cancer metastasis. Here, we analyzed the expression, targets and functional effects of miR-34a on epithelial to mesenchymal transition-inducing transcription factors (EMT-TFs), such as TWIST1, SLUG and ZEB1/2, and an EMT-inducing protein NOTCH1 in breast cancer (BC) cell migration and invasion and its correlation with tumorigenesis and clinical outcomes. Expression of miR-34a is downregulated in human metastatic breast cancers (MBC) compared to normal breast tissues and is negatively correlated with clinicopathological features of MBC patients...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416482/notch1-signaling-regulates-self-renewal-and-platinum-chemoresistance-of-cancer-stem-like-cells-in-human-non-small-cell-lung-cancer
#9
Yun Zhang, Wei Xu, Huiqin Guo, Yanmei Zhang, Yuexi He, Sau Har Lee, Xin Song, Xiaoyan Li, Yongqing Guo, Yunlong Zhao, Cheng Ding, Fei Ning, Yuanyuan Ma, Qun-Ying Lei, Xiaoyu Hu, Shengnan Li, Wei Guo
Cancer stem-like cells (CSC) are thought to drive tumor initiation, metastasis, relapse and therapeutic resistance, but their specific pathogenic characters in many cancers including non-small cell lung cancer (NSCLC) have yet to be well defined. Here we develop findings that the growth factor HGF promotes CSC sphere formation in NSCLC cell populations. In patient-derived sphere-forming assays (PD-SFA) with HGF, CD49f and CD104 were defined as novel markers of lung CSC (LCSC). In particular, we isolated a subpopulation of CD166(+)CD49f(hi)CD104(-)Lin(-) LCSC present in all human specimens of NSCLC examined, regardless of their histological subtypes or genetic driver mutations...
April 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28415716/single-nucleotide-polymorphism-rs3124599-in-notch1-is-associated-with-the-risk-of-lung-cancer-in-northeast-chinese-non-smoking-females
#10
Xiaowei Quan, Zhihua Yin, Xue Fang, Baosen Zhou
Lung cancer is one of the most common cancers and the main cause of cancer-related deaths. Notch1 might play a part in tumorigenesis of lung cancer. Here we explored the relationship of three SNPs (rs3124599, rs3124607 and rs3124594) in Notch1 with the risk and the survival of lung cancer in non-smoking females, including 556 cases and 395 controls. Chi-square tests, logistic regression analysis and crossover analysis were conducted to estimate the association between SNPs and the risk of lung cancer and the interaction between SNPs and environmental exposure...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415574/prognostic-roles-of-notch-receptor-mrna-expression-in-human-ovarian-cancer
#11
Chuan Chen, Xiaojiao Wang, Shunping Huang, Lin Wang, Lili Han, Songtao Yu
Aberrant activation of Notch signaling pathway has been correlated with high grade ovarian carcinoma and carcinogenesis. However, the predictive and prognostic values of Notch signaling pathway in ovarian cancer patients remains unclear. We utilize "The Kaplan-Meier plotter" (KM plotter) background database to access the prognostic values including overall survival (OS), progression-free survival (PFS), as well as post-progression survival (PPS) of four Notch receptor mRNA expression in ovarian cancer patients...
March 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414324/correlation-between-histone-acetylation-and-expression-of-notch1-in-human-lung-carcinoma-and-its-possible-role-in-combined-small-cell-lung-carcinoma
#12
Wael Abdo Hassan, Shin-Ichiro Takebayashi, Mohamed Osama Ali Abdalla, Kosuke Fujino, Shinji Kudoh, Yamoto Motooka, Yonosuke Sato, Yoshiki Naito, Koichi Higaki, Joeji Wakimoto, Seiji Okada, Mituyoshi Nakao, Yuichi Ishikawa, Takaaki Ito
Combined small-cell lung carcinoma (cSCLC) is composed of small-cell lung carcinoma (SCLC) admixed with non-small-cell lung carcinoma (NSCLC). Evaluating the molecular differences between SCLC and NSCLC could lead to a better understanding of the pathogenesis of such neoplasms. Therefore, in this study, we investigated the correlation between histone acetylation and Notch1 expression in lung carcinoma. Using chromatin immunoprecipitation (ChIP) assay, we measured the level of acetylated histone H3 around the promoter region of Notch1 in SCLC and NSCLC cells...
April 17, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28413478/icariin-improves-osteoporosis-inhibits-the-expression-of-ppar%C3%AE-c-ebp%C3%AE-fabp4-mrna-n1icd-and-jagged1-proteins-and-increases-notch2-mrna-in-ovariectomized-rats
#13
Hengrui Liu, Yingquan Xiong, Xiaofeng Zhu, Han Gao, Sujuan Yin, Jiefang Wang, Guangming Chen, Chaopeng Wang, Lu Xiang, Panpan Wang, Ji Fang, Ronghua Zhang, Li Yang
Icariin (ICA) is a pharmacologically active flavonoid glycoside that shows promise in the treatment and prevention of osteoporosis (OP). However, the mechanisms underlying the anti-osteoporotic effects of ICA remain largely unclear. The present study used quantitative polymerase chain reaction, western blot and immunohistochemical analysis to examine the effects of ICA on several key targets in the Notch signaling pathway in bone tissue in ovariectomized rats. It was observed that ICA has a pronounced beneficial effect on OP rats and inhibits the expression of peroxisome proliferator-activated receptor γ (PPARγ), CCAAT/enhancer binding protein α (C/EBPα) and fatty acid-binding protein 4 (FABP4) mRNA...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28410392/cyfip1-is-directly-controlled-by-notch1-and-down-regulated-in-cutaneous-squamous-cell-carcinoma
#14
Piotr J Dziunycz, Johannes Neu, Karine Lefort, Nadia Djerbi, Sandra N Freiberger, Guergana Iotzova-Weiss, Lars E French, Gian-Paolo Dotto, Günther F Hofbauer
Squamous cell carcinoma of the skin (SCC) represents one of the most common cancers in the general population and is associated with a substantial risk of metastasis. Previous work uncovered the functional role of CYFIP1 in epithelial tumors as an invasion inhibitor. It was down-regulated in some cancers and correlated with the metastatic properties of these malignant cells. We investigated its role and expression mechanisms in SCC. We analyzed the expression of CYFIP1 in patient derived SCC, primary keratinocytes and SCC cell lines, and correlated it to the differentiation and NOTCH1 levels...
2017: PloS One
https://www.readbyqxmd.com/read/28407575/fam83d-knockdown-regulates-proliferation-migration-and-invasion-of-colorectal-cancer-through-inhibiting-fbxw7-notch-1-signalling-pathway
#15
Yu Mu, Hongzhi Zou, Beibei Chen, Yixiao Fan, Suxia Luo
Colorectal cancer is one of the most common malignant tumors in the digestive system, and in China its incidence is rising in recent years. The FAM83D family with sequence similarity 83, member D is associated with the occurrence and development of various cancers. However, in human colorectal cancer, the biological function of FAM83D and its molecular mechanism are still little known. In our study, we found that FAM83D mRNA expression level was markedly up-regulated in colorectal cancerous tissues when compared with that of adjacent normal colon tissues...
April 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28402919/inhibition-of-mir-363-protects-cardiomyocytes-against-hypoxia-induced-apoptosis-through-regulation-of-notch-signaling
#16
Xiaoxue Meng, Yuqiang Ji, Zhaofei Wan, Bo Zhao, Chuanjie Feng, Jiang Zhao, Hua Li, Yanbin Song
Cardiomyocyte apoptosis contributes to the pathological process of ischemic heart diseases, such as myocardial infarction. Emerging evidence suggests that microRNAs (miRNAs) play critical roles in the pathological process of myocardial infarction by regulating cardiomyocyte apoptosis. Previous studies have reported that miR-363 is an apoptosis-related miRNA. However, whether miR-363 is involved in regulating cardiomyocyte apoptosis remains unclear. This study aimed to investigate the potential role of miR-363 in the regulation of hypoxia-induced cardiomyocyte apoptosis...
April 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28402575/impaired-proliferation-and-differentiation-of-the-conducting-airway-epithelium-associated-with-bronchiolitis-obliterans-after-sulfur-mustard-inhalation-injury-in-rats
#17
Matthew D McGraw, Jaqueline S Rioux, Rhonda B Garlick, Raymond C Rancourt, Carl W White, Livia A Veress
RationaleSulfur mustard (SM) is a chemical warfare agent that causes chronic airway remodeling. The current study's objective was to assess for changes to the bronchiolar epithelium after SM exposure to explain its contribution to chronic airway remodeling.Materials and MethodsAdult male rats were exposed to a sub-lethal dose of SM inhalation (1.0 - 1.2 mg/kg) for 50 minutes. Histological sections of the bronchiolar epithelium were analyzed for changes using H&E, trichrome, and immunofluorescent staining for acetylated tubulin (AT) and club cell secretory protein (CCSP)...
April 11, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28402268/suppression-of-radiation-induced-migration-of-non-small-cell-lung-cancer-through-inhibition-of-nrf2-notch-axis
#18
Qiuyue Zhao, Aihong Mao, Ruoshui Guo, Liping Zhang, Jiawei Yan, Chao Sun, Jinzhou Tang, Yancheng Ye, Yanshan Zhang, Hong Zhang
Nuclear factor E2 related factor 2 (Nrf2) is a transcription factor that is associated with tumor growth and resistance to radiation. The canonical Notch signaling pathway is also crucial for maintaining non-small cell lung cancer (NSCLC). Aberrant Nrf2 and Notch signaling has repeatedly been showed to facilitate metastasis of NSCLC. Here, we show that radiation induce Nrf2 and Notch1 expression in NSCLC. Knockdown of Nrf2 enhanced radiosensitivity of NSCLC and reduced epithelial-to-mesenchymal transition. Importantly, we found that knockdown of Nrf2 dramatically decreased radiation-induced NSCLC invasion and significantly increased E-cadherin, but reduced N-cadherin and matrix metalloproteinase (MMP)-2/9 expression...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401892/notch-and-hippo-signaling-converge-on-strawberry-notch-1-sbno1-to-synergistically-activate-cdx2-during-specification-of-the-trophectoderm
#19
Yusuke Watanabe, Kota Y Miyasaka, Atsushi Kubo, Yasuyuki S Kida, Osamu Nakagawa, Yoshikazu Hirate, Hiroshi Sasaki, Toshihiko Ogura
The first binary cell fate decision occurs at the morula stage and gives rise to two distinct types of cells that constitute the trophectoderm (TE) and inner cell mass (ICM). The cell fate determinant, Cdx2, is induced in TE cells and plays an essential role in their differentiation and maintenance. Notch and Hippo signaling cascades are assumed to converge onto regulatory elements of Cdx2, however, the underlying molecular mechanisms are largely unknown. Here, we show involvement of Strawberry Notch1 (Sbno1), a novel chromatin factor of the helicase superfamily 2, during preimplantation development...
April 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28400480/combined-genetic-biomarkers-and-betel-quid-chewing-for-identifying-high-risk-group-for-oral-cancer-occurrence
#20
Chia-Min Chung, Chien-Hung Lee, Mu-Kuan Chen, Ka-Wo Lee, Cheng-Che E Lan, Aij-Lie Kwan, Ming-Hsui Tsai, Ying-Chin Ko
We integrated genetic risk scores (GRS) and environmental factors for identifying high risk subjects for oral squamous cell carcinoma (OSCC) occurrence by using case - control study. A total of 447 patients diagnosed with OSCC and 580 unrelated subjects were recruited from two medical centers in Taiwan. A multinomial logistic regression model was conducted to access interaction between genetic risk score and Betel quid (BQ) chewing. We employed receiver operating characteristic (ROC) curve to compare the accuracy of OSCC occurrence...
April 11, 2017: Cancer Prevention Research
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