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https://www.readbyqxmd.com/read/28814769/genome-wide-association-studies-for-female-fertility-traits-in-chinese-and-nordic-holsteins
#1
Aoxing Liu, Yachun Wang, Goutam Sahana, Qin Zhang, Lin Liu, Mogens Sandø Lund, Guosheng Su
Reduced female fertility could cause considerable economic loss and has become a worldwide problem in the modern dairy industry. The objective of this study was to detect quantitative trait loci (QTL) for female fertility traits in Chinese and Nordic Holsteins using various strategies. First, single-trait association analyses were performed for female fertility traits in Chinese and Nordic Holsteins. Second, the SNPs with P-value < 0.005 discovered in Chinese Holsteins were validated in Nordic Holsteins...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811578/an-epithelial-to-mesenchymal-transition-inducing-potential-of-granulocyte-macrophage-colony-stimulating-factor-in-colon-cancer
#2
Yaqiong Chen, Zhi Zhao, Yu Chen, Zhonglin Lv, Xin Ding, Renxi Wang, He Xiao, Chunmei Hou, Beifen Shen, Jiannan Feng, Renfeng Guo, Yan Li, Hui Peng, Gencheng Han, Guojiang Chen
Growing evidence shows that granulocyte macrophage colony-stimulating factor (GM-CSF) has progression-promoting potentials in certain solid tumors, which is largely attributed to the immunomodulatory function of this cytokine in tumor niches. However, little is known about the effect of GM-CSF on cancer cells. Herein, we show that chronic exposure of colon cancer cells to GM-CSF, which harbor its receptor, leads to occurrence of epithelial to mesenchymal transition (EMT), in time and dose-dependent manners...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811385/circulating-mir-200c-is-up-regulated-in-paediatric-patients-with-familial-hypercholesterolaemia-and-correlates-with-mir-33a-b-levels-implication-of-a-zeb1-dependent-mechanism
#3
Marco D'Agostino, Francesco Martino, Sara Sileno, Francesco Barilla, Sara Beji, Lorenza Marchetti, Fabio Maria Gangi, Luca Persico, Mario Picozza, Anna Montali, Eliana Martino, Cristina Zanoni, Daniele Avitabile, Sandro Parrotto, Maurizio C Capogrossi, Alessandra Magenta
Hypercholesterolaemia provokes reactive oxygen species (ROS) increase and is a major risk factor for cardiovascular diseases (CVD) development. We previously showed that circulating microRNA(miR)-33a/b expression levels were up-regulated in children with familial hypercholesterolaemia (FH). miR-33a/b control cholesterol homoeostasis and recently miR-33b has been demonstrated to directly target the transcription factor ZEB1. The latter acts in a negative feedback-loop with miR-200 family. Our previous studies showed that the ROS-dependent miR-200c up-regulation induces endothelial dysfunction and provokes a ZEB1-dependent apoptosis and senescence...
August 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28804564/incrna-h19-promotes-tongue-squamous-cell-carcinoma-progression-through-%C3%AE-catenin-gsk3%C3%AE-emt-signaling-via-association-with-ezh2
#4
Da-Ming Zhang, Zhao-Yu Lin, Zhao-Hui Yang, You-Yuan Wang, Di Wan, Jiang-Long Zhong, Pei-Lin Zhuang, Zhi-Quan Huang, Bin Zhou, Wei-Liang Chen
H19 is involved in tumor metastasis and associated with tumor progression. Enhancer of zest homolog 2 (EZH2) is overexpressed in multiple cancer types and correlates with tumor proliferation, epithelial-mesenchymal transition, and poor prognosis. However, the interaction between H19 and EZH2 to promote tongue squamous cell carcinoma (TSCC) progression remains largely uncharacterized. Insitu hybridization and quantitative reverse-transcription PCR (qRT-PCR) were performed to measure H19 expression in primary TSCC and adjacent normal tissues and cell lines...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28791382/potential-role-of-zeb1-as-a-dna-repair-regulator-in-colorectal-cancer-cells-revealed-by-cancer-associated-promoter-profiling
#5
Miao Wang, Su-Fei He, Lei-Lei Liu, Xiao-Xia Sun, Fan Yang, Qian Ge, Wei-Kang Wong, Jing-Yan Meng
Besides being a key contributor to epithelial‑to‑mesenchymal transition (EMT) activation and stemness maintenance, zinc finger E-box binding homeobox 1 (ZEB1) is also a crucial inducer of chemoresistance and radioresistance. Unlike the clear mechanism that mediates its effect on EMT and dedifferentiation, the mechanism of how ZEB1 promotes chemo- and radio-resistance remains to be elucidated. It has been previously reported that ZEB1 promotes DNA double-strand break clearance by enhancing the deubiquitylating activity of ubiquitin-specific peptidase (USP)7 on checkpoint kinase 1, which is an important step during DNA repair...
August 8, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28783176/short-stretches-of-rare-codons-regulate-translation-of-the-transcription-factor-zeb2-in-cancer-cells
#6
W R Wan Makhtar, G Browne, A Karountzos, C Stevens, Y Alghamdi, A R Bottrill, S Mistry, E Smith, M Bushel, J H Pringle, A E Sayan, E Tulchinsky
Two proteins comprising the ZEB family of zinc finger transcription factors, ZEB1 and ZEB2, execute EMT programs in embryonic development and cancer. By studying regulation of their expression, we describe a novel mechanism that limits ZEB2 protein synthesis. A protein motif located at the border of the SMAD-binding domain of ZEB2 protein induces ribosomal pausing and compromises protein synthesis. The function of this protein motif is dependent on stretches of rare codons, Leu(UUA)-Gly(GGU)-Val(GUA). Incorporation of these triplets in the homologous region of ZEB1 does not affect protein translation...
August 7, 2017: Oncogene
https://www.readbyqxmd.com/read/28783105/viral-ubiquitin-ligase-stimulates-selective-host-microrna-expression-by-targeting-zeb-transcriptional-repressors
#7
Gabriel Lutz, Igor Jurak, Eui Tae Kim, Ju Youn Kim, Michael Hackenberg, Andrew Leader, Michelle L Stoller, Donna M Fekete, Matthew D Weitzman, Donald M Coen, Angus C Wilson
Infection with herpes simplex virus-1 (HSV-1) brings numerous changes in cellular gene expression. Levels of most host mRNAs are reduced, limiting synthesis of host proteins, especially those involved in antiviral defenses. The impact of HSV-1 on host microRNAs (miRNAs), an extensive network of short non-coding RNAs that regulate mRNA stability/translation, remains largely unexplored. Here we show that transcription of the miR-183 cluster (miR-183, miR-96, and miR-182) is selectively induced by HSV-1 during productive infection of primary fibroblasts and neurons...
August 7, 2017: Viruses
https://www.readbyqxmd.com/read/28782530/chemotherapeutics-resistance-arms-race-an-update-on-mechanisms-involved-in-resistance-limiting-egfr-inhibitors-in-lung-cancer
#8
REVIEW
Pankaj Kumar Singh, Om Silakari
Clinical reports suggest that EGFR-mutated lung cancer usually respond significantly towards small molecule tyrosine kinase inhibitors. Same studies also report the eventual development of acquired resistance within a median time interval of 9 to 14months. One of the major mechanisms involved in this acquired resistance was found to be a secondary point mutation at gate-keeper residue, EGFR T790M. However, there are other recent studies which disclose the role of few other novel key players such as, ZEB1, TOPK etc...
August 4, 2017: Life Sciences
https://www.readbyqxmd.com/read/28781078/nac1-regulates-somatic-cell-reprogramming-by-controlling-zeb1-and-e-cadherin-expression
#9
Francesco Faiola, Nuoya Yin, Miguel Fidalgo, Xin Huang, Arven Saunders, Junjun Ding, Diana Guallar, Baoyen Dang, Jianlong Wang
Reprogramming somatic cells to induced pluripotent stem cells (iPSCs) is a long and inefficient process. A thorough understanding of the molecular mechanisms underlying reprogramming is paramount for efficient generation and safe application of iPSCs in medicine. While intensive efforts have been devoted to identifying reprogramming facilitators and barriers, a full repertoire of such factors, as well as their mechanistic actions, is poorly defined. Here, we report that NAC1, a pluripotency-associated factor and NANOG partner, is required for establishment of pluripotency during reprogramming...
July 24, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28770970/oxtr-and-zeb1-expression-before-and-after-progesterone-dosing-in-pregnant-women-with-threatened-premature-labor
#10
Y-J Xu, L-D Ren, S-S Zhai, L-M Ran, L-L Hu, X-H Luo, T Hong, R Liu, Y-R Yu, Y-J Ban
OBJECTIVE: To investigate changes in the peripheral blood mRNA levels of oxytocin receptor (OXTR) and Zinc finger E-box-binding homeobox 1 (ZEB1) before and after progesterone dosing in pregnant women with threatened premature labor. PATIENTS AND METHODS: Blood samples were collected from 30 healthy pregnant women with 28- to 33+6-week gestational age and singleton pregnancy (group A) and from 30 pregnant women with singleton pregnancy and threatened premature labor before and 48 hours after progesterone dosing (groups B and C, respectively) for quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR) assay to assess the OXTR and ZEB1 mRNA levels...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28763746/rhein-ameliorates-adenomyosis-by-inhibiting-nf-%C3%AE%C2%BAb-and-%C3%AE-catenin-signaling-pathway
#11
Tingting Feng, Shaobin Wei, Yan Wang, Xianyun Fu, Ling Shi, Liyuan Qu, Xiaoxue Fan
In the present study, we examined the effects of rhein on pituitary gland implantation-induced adenomyosis, an animal model which mimics human adenomyosis. Oral administration of rhein dose-dependently attenuated hyperplastic and hypertrophic myometrium and improved adenomyosis. The activation of NF-κB and β-catenin signaling pathway was observed in the ectopic endometria. While, rhein dose dependently inhibited the expressions of p-p65, p-AKT and actived Rac1. As Rac1 activation controlled nuclear localization of β-catenin during canonical Wnt signaling, we found that the degradation complex of β-catenin was improved by rhein...
July 29, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28754469/long-non-coding-rna-ccat1-promotes-metastasis-and-poor-prognosis-in-epithelial-ovarian-cancer
#12
Yuan Cao, Huirong Shi, Fang Ren, Yanyan Jia, Ruitao Zhang
In this study, we reported that long non-coding RNA (lncRNA) CCAT1 was upregulated in epithelial ovarian cancer (EOC) tissues, and was associated with FIGO stage, histological grade, lymph node metastasis and poor survival of EOC patients. Multivariate Cox regression analysis showed that CCAT1 was an independent prognostic indicator. While CCAT1 downregulation inhibited EOC cell epithelial-mesenchymal transition (EMT), migration and invasion, CCAT1 upregulation promoted EOC cell EMT, migration and invasion...
July 25, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28747561/mir-133b-suppresses-metastasis-by-targeting-hoxa9-in-human-colorectal-cancer
#13
Xiao Wang, Juyuan Bu, Xingwei Liu, Wenfeng Wang, Weihua Mai, Baojun Lv, Jinlin Zou, Xiangqiong Mo, Xiaoling Li, Jingyu Wang, Bin Niu, Yunping Fan, Bingzong Hou
Functions and mechanisms of microRNA (miRNA) involved in colorectal cancer (CRC) metastasis are largely unknown. Here, a miRNA microarray analysis was performed in CRC primary tissues and metastatic hepatic tissues to disclose crucial miRNA involved in CRC metastasis. MiR-133b was decreased and negatively correlated with metastasis in CRC. Overexpression of miR-133b significantly suppressed metastasis of CRC in vitro and in vivo. HOXA9 was identified as a direct and functional target of miR-133b. In addition, HOXA9 was negatively correlated with miR-133b and promoted CRC malignant progress...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28743963/a-non-canonical-pathway-regulates-er-stress-signaling-and-blocks-er-stress-induced-apoptosis-and-heart-failure
#14
Yufeng Yao, Qiulun Lu, Zhenkun Hu, Yubin Yu, Qiuyun Chen, Qing K Wang
Endoplasmic reticulum stress is an evolutionarily conserved cell stress response associated with numerous diseases, including cardiac hypertrophy and heart failure. The major endoplasmic reticulum stress signaling pathway causing cardiac hypertrophy involves endoplasmic reticulum stress sensor PERK (protein kinase-like kinase) and eIF2α-ATF4-CHOP signaling. Here, we describe a non-canonical, AGGF1-mediated regulatory system for endoplasmic reticulum stress signaling associated with increased p-eIF2α and ATF4 and decreased sXBP1 and CHOP...
July 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28742278/agenesis-of-the-corpus-callosum-developmental-delay-autism-spectrum-disorder-facial-dysmorphism-and-posterior-polymorphous-corneal-dystrophy-associated-with-zeb1-gene-deletion
#15
Ayeshah Chaudhry, Brian H Chung, Dimitri J Stavropoulos, Marcela P Araya, Asim Ali, Elise Heon, David Chitayat
We report on a girl diagnosed prenatally with agenesis of the corpus callosum (ACC) on fetal ultrasound and MRI. On postnatal follow-up she was noted to have developmental delay, facial dysmorphism, autism spectrum disorder, and posterior polymorphous corneal dystrophy (PPD). Array-comparative genomic hybridization analysis (Array-CGH) showed a 2.05 Mb de novo interstitial deletion at 10p11.23p11.22. The deleted region overlaps 1 OMIM Morbid Map gene, ZEB1 (the zinc finger E-box binding homeobox transcription factor 1), previously associated with posterior polymorphous corneal dystrophy type 3 (PPCD3)...
July 25, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28740236/reduced-expression-of-the-murine-hla-g-homolog-qa-2-is-associated-with-malignancy-epithelial-mesenchymal-transition-and-stemness-in-breast-cancer-cells
#16
Istéfani L da Silva, Lucía Montero-Montero, Ester Martín-Villar, Jorge Martin-Pérez, Bruno Sainz, Jaime Renart, Renata Toscano Simões, Émerson Soares Veloso, Cláudia Salviano Teixeira, Mônica C de Oliveira, Enio Ferreira, Miguel Quintanilla
Qa-2 is believed to mediate a protective immune response against cancer; however, little is known about the role of Qa-2 in tumorigenesis. Here, we used 4T1 breast cancer cells to study the involvement of Qa-2 in tumor progression in a syngeneic host. Qa-2 expression was reduced during in vivo tumor growth and in cell lines derived from 4T1-induced tumors. Tumor-derived cells elicited an epithelial-mesenchymal transition associated with upregulation of Zeb1 and Twist1/2 and enhanced tumor initiating and invasive capacities...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28740192/preventive-effect-of-celecoxib-use-against-cancer-progression-and-occurrence-of-oral-squamous-cell-carcinoma
#17
Shang-Lun Chiang, Bharath Kumar Velmurugan, Chia-Min Chung, Shu-Hui Lin, Zhi-Hong Wang, Chun-Hung Hua, Ming-Hsui Tsai, Tzer-Min Kuo, Kun-Tu Yeh, Pei-Ying Chang, Yi-Hsin Yang, Ying-Chin Ko
Overexpression of cyclooxygenase-2 in oral cancer increases lymph node metastasis and is associated with a poor prognosis. The potential of celecoxib (CXB) use is reported in cancer treatment by inhibiting proliferation through apoptosis, but the effects on the epithelial-mesenchymal transition (EMT) and cancer cell mobility remain unclear. We performed a preclinical study and population-based study to evaluate CXB use in the prevention of oral cancer progression and occurrence. The in-vitro findings showed that CXB is involved in the inhibition of EMT and cell mobility through blocking transcription factors (Slug, Snail and ZEB1), cytoplasmic mediators (focal adhesion kinase (FAK), vimentin and β-catenin), cell adhesion molecules (cadherins and integrins), and surface receptors (AMFR and EGFR)...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28739727/mir-141-inhibits-proliferation-and-migration-of-colorectal-cancer-sw480-cells
#18
Zhi H Long, Zhi G Bai, Jian N Song, Zhi Zheng, Jun Li, Jun Zhang, Jun Cai, Hong W Yao, Jin Wang, Ying C Yang, Jie Yin, Zhong T Zhang
BACKGROUND: This study was designed to determine the molecular function of miR-141 and the underlying mechanisms in colorectal cancer (CRC). MATERIALS AND METHODS: SW480 cells in which miR-141 was up- or down-regulated were established. Reverse transcription, quantitative polymerase chain reaction and Western blotting were used to examine the microRNA and protein expression. Cell-cycle progression was analyzed by flow cytometry. Proliferation marker Ki-67 was evaluated by immunofluorescence...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28735706/amniotic-fluid-transcriptomics-reflects-novel-disease-mechanisms-in-fetuses-with-myelomeningocele
#19
Tomo Tarui, Aimee Kim, Alan Flake, Lauren McClain, John Stratigis, Inbar Fried, Rebecca Newman, Donna K Slonim, Diana W Bianchi
BACKGROUND: Cell-free RNA in amniotic fluid supernatant reflects developmental changes in gene expression in the living fetus, which includes genes that are specific to the central nervous system. Although it has been previously shown that central nervous system-specific transcripts are present in amniotic fluid supernatant, it is not known whether changes in the amniotic fluid supernatant transcriptome reflect the specific pathophysiologic condition of fetal central nervous system disorders...
July 20, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28733423/gpx4-blocks-ferroptosis-to-drive-the-survival-of-chemoresistant-cells
#20
(no author information available yet)
The lipid peroxidase GPX4 is critical for the survival of therapy-resistant ZEB1(+) cancer cells.
July 21, 2017: Cancer Discovery
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