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https://www.readbyqxmd.com/read/28718842/secreted-protein-acidic-and-rich-in-cysteine-sparc-enhances-cell-proliferation-migration-and-epithelial-mesenchymal-transition-and-sparc-expression-is-associated-with-tumor-grade-in-head-and-neck-cancer
#1
Chih-Hau Chang, Meng-Chi Yen, Ssu-Hui Liao, Yu-Ling Hsu, Chung-Sheng Lai, Kao-Ping Chang, Ya-Ling Hsu
Secreted protein acidic and rich in cysteine (SPARC) is a secreted protein which is involved in various biological processes. SPARC expression is associated with tumor metastasis and poor prognosis in several types of cancer. However, the SPARC-induced signaling pathway was not fully understood in head and neck cancer. In this study, our results showed that SPARC treatment promoted cell proliferation and migration in head and neck cancer cell lines FaDu and Detroit 562. In addition, SPARC induced expression of epithelial mesenchymal transition (EMT) regulators, including Slug, Snail, and Twist in Detroit 562...
July 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28716029/foxp3-promotes-tumor-growth-and-metastasis-by-activating-wnt-%C3%AE-catenin-signaling-pathway-and-emt-in-non-small-cell-lung-cancer
#2
Shucai Yang, Yi Liu, Ming-Yue Li, Calvin S H Ng, Sheng-Li Yang, Shanshan Wang, Chang Zou, Yujuan Dong, Jing Du, Xiang Long, Li-Zhong Liu, Innes Y P Wan, Tony Mok, Malcolm J Underwood, George G Chen
BACKGROUND: The role of cancer cell FOXP3 in tumorigenesis is conflicting. We aimed to study FOXP3 expression and regulation, function and clinical implication in human non-small cell lung cancer (NSCLC). METHODS: One hundred and six patients with histologically-confirmed NSCLC who underwent surgery were recruited for the study. Tumor samples and NSCLC cell lines were used to examine FOXP3 and its related molecules. Various cell functions related to tumorigenesis were performed...
July 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28714963/fhit-loss-confers-cisplatin-resistance-in-lung-cancer-via-the-akt-nf-%C3%AE%C2%BAb-slug-mediated-puma-reduction
#3
D-W Wu, M-C Lee, N-Y Hsu, T-C Wu, J-Y Wu, Y-C Wang, Y-W Cheng, C-Y Chen, H Lee
This corrects the article DOI: 10.1038/onc.2014.184.
July 17, 2017: Oncogene
https://www.readbyqxmd.com/read/28713970/human-chorionic-gonadotropin%C3%A2-%C3%AE-regulates-epithelial-mesenchymal-transition-and-metastasis-in-human-ovarian-cancer
#4
Na Liu, Shu-Min Peng, Guang-Xi Zhan, Jing Yu, Wei-Min Wu, Hao Gao, Xiao-Feng Li, Xiao-Qing Guo
Human chorionic gonadotropin β (β-hCG) is a well-known and accurate marker for the diagnosis and monitoring of pregnancy, trophoblastic tumors and ovarian germ cell tumors. Recently, β-hCG has been found to be closely related to poor prognosis and metastasis in various other malignant tumors, while its role and mechanism in ovarian cancer is still unclear. In the present study, lentiviral‑mediated transfection and small interfering RNA (siRNA) were used to alter β-hCG expression in the ovarian cancer cell lines ES-2 and SKOV3, respectively...
July 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28712972/arenobufagin-inhibits-prostate-cancer-epithelial-mesenchymal-transition-and-metastasis-by-down-regulating-%C3%AE-catenin
#5
Liping Chen, Weiqian Mai, Minfeng Chen, Jianyang Hu, Zhenjian Zhuo, Xueping Lei, Lijuan Deng, Junshan Liu, Nan Yao, Maohua Huang, Yinghui Peng, Wencai Ye, Dongmei Zhang
Epithelial-mesenchymal transition (EMT) plays an important role in prostate cancer (PCa) metastasis; thus, developing EMT inhibitors may be a feasible treatment for metastatic PCa. Here, we discovered that arenobufagin and four other bufadienolides suppressed PC3 cell EMT. These compounds modulated EMT marker expression with elevating E-cadherin and reducing ZEB1, vimentin and slug expression, and attenuated the migration and invasion of PC3 cells. Among these five compounds, arenobufagin exhibited the most potent activity...
July 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28710904/m1-macrophage-induced-endothelial-to-mesenchymal-transition-promotes-infantile-hemangioma-regression
#6
Keith Q Wu, Christopher S Muratore, Eui Y So, Changqi Sun, Patrycja M Dubielecka, Anthony M Reginato, Olin D Liang
Infantile hemangiomas are benign tumors of vascular endothelial cells (ECs), characterized by three distinct stages: proliferating phase, involuting phase, and involuted phase. The mechanisms that trigger involution of hemangioma into fibro-fatty tissue remain unknown. We report a novel mechanism by which M1-polarized macrophages induce endothelial-to-mesenchymal transition (EndMT) and promote hemangioma regression. M1- but not M2-polarized macrophages induced EndMT in ECs. Tumor necrosis factor-α and, to a lesser extent, IL-1β and interferon-γ were the most potent cytokines produced by the M1 macrophages that induce in vitro EndMT...
July 12, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28710402/pagerank-versatility-analysis-of-multilayer-modality-based-network-for-exploring-the-evolution-of-oil-water-slug-flow
#7
Zhong-Ke Gao, Wei-Dong Dang, Shan Li, Yu-Xuan Yang, Hong-Tao Wang, Jing-Ran Sheng, Xiao-Fan Wang
Numerous irregular flow structures exist in the complicated multiphase flow and result in lots of disparate spatial dynamical flow behaviors. The vertical oil-water slug flow continually attracts plenty of research interests on account of its significant importance. Based on the spatial transient flow information acquired through our designed double-layer distributed-sector conductance sensor, we construct multilayer modality-based network to encode the intricate spatial flow behavior. Particularly, we calculate the PageRank versatility and multilayer weighted clustering coefficient to quantitatively explore the inferred multilayer modality-based networks...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28709865/overexpression-of-pofut1-and-activated-notch1-may-be-associated-with-poor-prognosis-in-breast-cancer
#8
Guoxing Wan, Lin Tian, Yuandong Yu, Fang Li, Xuanbin Wang, Chen Li, Shouheng Deng, Xiongjie Yu, Xiaojun Cai, Zhigang Zuo, Fengjun Cao
PURPOSE: The present study was to evaluate the prognostic value of protein expression of Pofut1 and Notch1 signaling in breast cancer. MATERIAL AND METHODS: Formalin-fixed paraffin-embedded 314 breast specimens including 174 infiltrating ductal carcinoma(IDC), 50 ductal carcinoma in situ(DCIS) and 90 adjacent normal tissue(ANT) were immunohistochemically examined to evaluate the protein expression of Pofut1, activated Notch1(N1IC) and Slug on specimens. Survival analysis was performed by Kaplan-Meier method and Cox's proportional-hazards model...
July 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28707368/isolation-and-characterization-of-metaldehyde-degrading-bacteria-from-domestic-soils
#9
John C Thomas, Thorunn Helgason, Chris J Sinclair, James W B Moir
Metaldehyde is a common molluscicide, used to control slugs in agriculture and horticulture. It is resistant to breakdown by current water treatment processes, and its accumulation in drinking water sources leads to regular regulatory failures in drinking water quality. To address this problem, we isolated metaldehyde-degrading microbes from domestic soils. Two distinct bacterial isolates were cultured, that were able to grow prototrophically using metaldehyde as sole carbon and energy source. One isolate belonged to the genus Acinetobacter (strain designation E1) and the other isolate belonged to the genus Variovorax (strain designation E3)...
July 13, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28705116/alex3-suppresses-non-small-cell-lung-cancer-invasion-via-akt-slug-e-cadherin-pathway
#10
Jiang Du, Xiupeng Zhang, Haijing Zhou, Yuan Miao, Yong Han, Qiang Han, Enhua Wang
Alex3, is a newly identified mitochondrial protein, regulates mitochondrial dynamics and is involved in neural development. However, its expression pattern and clinicopathological relevance in human tumors are still unclear. In this study, Immunohistochemistry assay was performed in 109 cases of lung cancer samples and found that Alex 3 expression in lung cancer tissues was significantly lower than adjacent normal lung tissues (28.4% vs 52.6%, p < 0.001). Sequent statistical analysis indicated that negative Alex3 expression was significantly associated with advanced tumor-node-metastasis stages (p = 0...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28704917/the-role-of-hypoxia-on-the-acquisition-of-epithelial-mesenchymal-transition-and-cancer-stemness-a-possible-link-to-epigenetic-regulation
#11
REVIEW
Chang Dong Yeo, Nahyeon Kang, Su Yeon Choi, Bit Na Kim, Chan Kwon Park, Jin Woo Kim, Young Kyoon Kim, Seung Joon Kim
A hypoxic microenvironment leads to cancer progression and increases the metastatic potential of cancer cells within tumors via epithelial-mesenchymal transition (EMT) and cancer stemness acquisition. The hypoxic response pathway can occur under oxygen tensions of < 40 mmHg through hypoxia-inducible factors (HIFs), which are considered key mediators in the adaptation to hypoxia. Previous studies have shown that cellular responses to hypoxia are required for EMT and cancer stemness maintenance through HIF-1α and HIF-2α...
July 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28704038/eosinophilic-meningitis-caused-by-angiostrongylus-cantonensis
#12
Shan Lv, Xiao-Nong Zhou, Jason R Andrews
Rat lungworm, Angiostrongylus cantonensis, is one major cause of human eosinophilic meningitis. This helminth is endemic in Southeast Asia, Pacific Islands, and the Caribbean and has recently expanded to South America. The infection is characterized by an elevated eosinophil count in cerebrospinal fluid. Common symptoms and signs include headache, neck stiffness, paresthesia and nausea/vomiting. The unique history of eating freshwater and land snails or slugs within 2 weeks before onset is helpful for diagnosis...
July 13, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28703798/mtorc2-regulates-hedgehog-pathway-activity-by-promoting-stability-to-gli2-protein-and-its-nuclear-translocation
#13
Samarpan Maiti, Susmita Mondal, Eswara M Satyavarapu, Chitra Mandal
mTORC2 is aberrantly activated in cancer and therefore is considered to be an important therapeutic target. The hedgehog pathway, which is also often hyperactivated, regulates transcription of several genes associated with angiogenesis, metastasis, cellular proliferation and cancer stem cell (CSC) regeneration. However, the contribution of mTORC2 toward hedgehog pathway activity has not been explored yet. Here we have addressed the molecular cross talk between mTORC2 and hedgehog pathway activities in the context of glioblastoma multiforme, a malignant brain tumor using as a model system...
July 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28702067/quantifying-phenotype-environment-matching-in-the-protected-kerry-spotted-slug-mollusca-gastropoda-using-digital-photography-exposure-to-uv-radiation-determines-cryptic-colour-morphs
#14
Aidan O'Hanlon, Kristina Feeney, Peter Dockery, Michael J Gormally
BACKGROUND: Animal colours and patterns commonly play a role in reducing detection by predators, social signalling or increasing survival in response to some other environmental pressure. Different colour morphs can evolve within populations exposed to different levels of predation or environmental stress and in some cases can arise within the lifetime of an individual as the result of phenotypic plasticity. Skin pigmentation is variable for many terrestrial slugs (Mollusca: Gastropoda), both between and within species...
2017: Frontiers in Zoology
https://www.readbyqxmd.com/read/28701765/the-cancer-associated-cell-migration-protein-tspan1-is-under-control-of-androgens-and-its-upregulation-increases-prostate-cancer-cell-migration
#15
Jennifer Munkley, Urszula L McClurg, Karen E Livermore, Ingrid Ehrmann, Bridget Knight, Paul Mccullagh, John Mcgrath, Malcolm Crundwell, Lorna W Harries, Hing Y Leung, Ian G Mills, Craig N Robson, Prabhakar Rajan, David J Elliott
Cell migration drives cell invasion and metastatic progression in prostate cancer and is a major cause of mortality and morbidity. However the mechanisms driving cell migration in prostate cancer patients are not fully understood. We previously identified the cancer-associated cell migration protein Tetraspanin 1 (TSPAN1) as a clinically relevant androgen regulated target in prostate cancer. Here we find that TSPAN1 is acutely induced by androgens, and is significantly upregulated in prostate cancer relative to both normal prostate tissue and benign prostate hyperplasia (BPH)...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28701378/dictyostelium-ampk%C3%AE-regulates-aggregate-size-and-cell-type-patterning
#16
Ranjana Maurya, Rakesh Kumar, Shweta Saran
Starved Dictyostelium cells aggregate into groups of nearly 10(5) cells. AMPK is a highly conserved serine/threonine protein kinase consisting of a catalytic and two regulatory subunits. As multi-cellular development in Dictyostelium is initiated upon starvation, we explored the role of the energy sensor, AMPK, which shows significant similarity to human AMPK and is expressed throughout development. Deletion of the ampkα gene results in the formation of numerous small-sized aggregates that develop asynchronously to form few fruiting bodies with small sori and long stalks...
July 2017: Open Biology
https://www.readbyqxmd.com/read/28699252/mesenchymal-stromal-cell-derived-il-6-promotes-epithelial-mesenchymal-transition-and-acquisition-of-epithelial-stem-like-cell-properties-in-ameloblastoma-epithelial-cells
#17
Chunmiao Jiang, Qunzhou Zhang, Rabie M Shanti, Shihong Shi, Ting-Han Chang, Lee Carrasco, Faizan Alawi, Anh D Le
Epithelial-mesenchymal transition (EMT), a biological process associated with cancer stem-like or cancer-initiating cell (CSC) formation, contributes to the invasiveness, metastasis, drug resistance, and recurrence of the malignant tumors; it remains to be determined whether similar processes contribute to the pathogenesis and progression of ameloblastoma, a benign but locally invasive odontogenic neoplasm. Here, we demonstrated that EMT- and stem cell-related genes were expressed in the epithelial islands of the most common histologic variant subtype, the follicular ameloblastoma...
July 11, 2017: Stem Cells
https://www.readbyqxmd.com/read/28699108/the-role-of-epithelial-mesenchymal-transition-in-squamous-cell-carcinoma-of-the-oral-cavity
#18
Nina Zidar, Emanuela Boštjančič, Marija Malgaj, Nina Gale, Tadej Dovšak, Vojko Didanovič
Epithelial-mesenchymal transition (EMT) has emerged as a possible mechanism of cancer metastasizing, but strong evidence for EMT involvement in human cancer is lacking. Our aim was to compare oral spindle cell carcinoma (SpCC) as an example of EMT with oral conventional squamous cell carcinoma (SCC) with and without nodal metastases to test the hypothesis that EMT contributes to metastasizing in oral SCC. Thirty cases of oral SCC with and without nodal metastasis and 15 cases of SpCC were included. Epithelial (cytokeratin, E-cadherin), mesenchymal (vimentin, N-cadherin), and stem cell markers (ALDH-1, CD44, Nanog, Sox-2) and transcription repressors (Snail, Slug, Twist) were analyzed immunohistochemically...
July 12, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28698505/retraction-zhang-k-et-al-knockdown-of-snail-sensitizes-pancreatic-cancer-cells-to-chemotherapeutic-agents-and-irradiation-int-j-mol-sci-2010-11-4891-4904-doi-10-3390-ijms11124891-and-zhang-k-et-al-rna-interference-targeting-slug-increases-cholangiocarcinoma
#19
https://www.readbyqxmd.com/read/28698144/inhibiting-glycogen-synthase-kinase-3-and-transforming-growth-factor-%C3%AE-signaling-to-promote-epithelial-transition-of-human-adipose-mesenchymal-stem-cells
#20
Melina Setiawan, Xiao-Wei Tan, Tze-Wei Goh, Gary Hin-Fai Yam, Jodhbir S Mehta
BACKGROUND: This study was aimed to investigate the epithelial differentiation of human adipose-derived mesenchymal stem cells (ADSCs) by inhibiting glycogen synthase kinase-3 (GSK3) and transforming growth factor β (TGFβ) signaling. METHODS AND RESULTS: STEMPRO human ADSCs at passage 2 were treated with CHIR99021 (GSK3 inhibitor), E-616452 (TGFβ1 receptor kinase inhibitor), A-83-01 (TGFβ type 1 receptor inhibitor), valproic acid (histone deacetylase inhibitor), tranylcypromine (monoamine oxidase inhibitor) and all-trans retinoic acid for 72 h...
July 8, 2017: Biochemical and Biophysical Research Communications
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