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Epithelial mesenchymal transition

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https://www.readbyqxmd.com/read/29228420/knockdown-of-long-noncoding-rna-linc-itgb1-suppresses-migration-invasion-of-hepatocellular-carcinoma-via-regulating-zeb1
#1
W-W Yu, K Wang, G-J Liao
OBJECTIVE: This research focuses on the influence of linc-ITGB1 on the metastasis of hepatocellular carcinoma and further explores its underlying mechanism. PATIENTS AND METHODS: A total of 70 hepatocellular carcinoma patients were chosen for our study. RT-qPCR was used for detecting the expression level of linc-ITGB1 in their cancer tissues. Moreover, the expression level of linc-ITGB1 was also detected in hepatocellular carcinoma cell lines. Furthermore, whether linc-ITGB1 could affect the migrated and invaded ability of hepatocellular carcinoma cells was determined by wound healing assay and transwell assay...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29227974/mir302a-3p-may-modulate-renal-epithelial-mesenchymal-transition-in-diabetic-kidney-disease-by-targeting-zeb1
#2
Wen-Bin Tang, Linfeng Zheng, Renheng Yan, Jiayi Yang, Jianping Ning, Linlin Peng, Qiaoling Zhou, Liping Chen
BACKGROUND: Recent study found that microRNA (miRNA) are involved in diabetic kidney disease (DKD). The objective of this study is to determine the role of miR302a-3p in the process of renal epithelial-mesenchymal transition (EMT) in DKD. METHODS: The miRNA expression profiling of the cell line stimulated by high glucose was performed by a microarray analysis. Then real-time polymerase chain reaction (PCR) were used to determine the expression of one of the miRNAs significantly upregulated in cell line stimulated by high glucose, miR302a-3p...
December 8, 2017: Nephron
https://www.readbyqxmd.com/read/29227545/overexpression-of-sirt6-is-a-novel-biomarker-of-malignant-human-colon-carcinoma
#3
Chang-Hui Geng, Chun-Ling Zhang, Jing-Yan Zhang, Ping Gao, Miao He, Yan-Lin Li
Sirt family has been reported playing a significant role in the cancer develop, special its deacetylase activity plays a key function, but whether SIRT6 plays a role in mediating tumor EMT and metastasis in colon cancer has not been explored. Here, the mass spectrometry and co-immunoprecipitation assays were utilized to detect that SIRT6 was physically associated with transcription factor snail. Most important, HCT116 cells transfected with SIRT6 shRNA reversed EMT, while increased the expression of TET1, and the HCT116 cells transfected with SIRT6 displayed the contrary tendency...
December 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29225166/apatinib-inhibits-migration-and-invasion-as-well-as-pd-l1-expression-in-osteosarcoma-by-targeting-stat3
#4
Bingxin Zheng, Tingting Ren, Yi Huang, Wei Guo
The cure rate of osteosarcoma has not improved in the past 30 years. The new treatments and drugs is urgently needed, especially for metastatic osteosarcoma. Anti-angiogenesis therapy and immunotherapy has got promising anti-tumor effects in various tumors. It is hypothesised that combining checkpoint inhibitor immunotherapies with antiangiogenic treatment may have a synergistic effect and enhance the efficacy of both treatments. However, its underlying mechanism remain largely uninvestigated. To investigate the clinical significance of vascular endothelial growth factor receptor-2 (VEGFR2) and programmed death ligand-1 (PD-L1) in osteosarcoma, we analyzes their expression levels in 93 osteosarcoma specimens by immunohistochemistry...
December 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29224812/differential-roles-of-kallikrein-related-peptidase-6-in-malignant-transformation-and-%C3%AE-np63%C3%AE-mediated-epithelial-mesenchymal-transition-of-oral-squamous-cell-carcinoma
#5
Naoki Kaneko, Shintaro Kawano, Kaori Yasuda, Yuma Hashiguchi, Taiki Sakamoto, Ryota Matsubara, Yuichi Goto, Teppei Jinno, Yasuyuki Maruse, Masahiko Morioka, Taichi Hattori, Shoichi Tanaka, Hideaki Tanaka, Tamotsu Kiyoshima, Seiji Nakamura
We previously reported that epithelial-to-mesenchymal transition (EMT) was mediated by ΔNp63β in oral squamous cell carcinoma (OSCC). In this study, DNA microarray analyses were performed using ΔNp63β-overexpressing OSCC cells to identify genes associated with ΔNp63β-mediated EMT. Thereby, we focused on kallikrein-related peptidase (KLK) 6, most up-regulated following ΔNp63β-overexpression, that activates protease-activated receptors (PARs). In RT-PCR analyses, ΔNp63 was positively associated with KLK6 and PAR2 and negatively with PAR1 in OSCC cells...
December 2017: Oral Oncology
https://www.readbyqxmd.com/read/29224276/-expression-and-mechanism-of-twist2-in-glioma
#6
L Z Wang, W J Wang, Y F Xiong, S Xu, S S Wang, Y Tu, Z Y Wang, X L Yan, J H Mei, C L Wang
Objective: To investigate the significance of Twist2 in glioma and whether it is involved in the malignant transformation of glioma by epithelial-mesenchymal transition (EMT). Methods: Using immunohistochemical method detected the expression level of Twist2 in 60 cases of gliomas (including WHO grades Ⅱ, Ⅲ and Ⅳ, each for 20 cases) and 20 cases of non-tumor brain tissues. Real-time fluorescence quantitative PCR and Western blot were used to detect the expression level of Twist2 mRNA and protein in 61 cases of fresh glioma tissue (WHO grade Ⅱ 16 cases, Ⅲ 21 cases, Ⅳ 24 cases) and 12 cases of adjacent tissues, and the expression levels of E-cadherin, N-cadherin and vimentin were also investigated in fresh glioma tissue...
December 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29222745/mir-26a-functions-as-a-tumor-suppressor-in-ambient-particulate-matter-bound-metal-triggered-lung-cancer-cell-metastasis-by-targeting-lin28b-il6-stat3-axis
#7
Yan-Yang Lu, Yi Lin, Dong-Xiao Ding, Shu Su, Qiao-Qiao Chi, You-Chi Zhang, Jian Sun, Xu Zhang, Hui-Min Zhu, Qian-Sheng Huang, Yu-Lang Chi, Guo-Zhu Ye, Shu Tao, Si-Jun Dong
Exposure to ambient particulate matter (PM) has been linked to the increasing incidence and mortality of lung cancer, but the principal toxic components and molecular mechanism remain to be further elucidated. In this study, human lung adenocarcinoma A549 cells were treated with serial concentrations of water-extracted PM10 (WE-PM10) collected from Beijing, China. Our results showed that exposure to 25 and 50 μg/ml of WE-PM10 for 48 h significantly suppressed miR-26a to upregulate lin-28 homolog B (LIN28B), and in turn activated interleukin 6 (IL6) and signal transducer and activator of transcription 3 (STAT3) in A549 cells, subsequently contributing to enhanced epithelial-mesenchymal transition and accelerated migration and invasion...
December 8, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/29222642/pituitary-adenomas-stem-cells-and-cancer-stem-cells-what-s-new
#8
REVIEW
M Caffarini, M Orciani, L Trementino, R Di Primio, G Arnaldi
PURPOSE: To clarify the existence of pituitary stem cells (SCs) both in the embryonic and the postnatal gland and the role for SCs in pituitary adenomas. METHODS: This work, which does not address the pathogenesis of pituitary adenomas, reviews the latest research findings and discoveries on SCs in pituitary and cancer SCs (CSCs) in pituitary adenomas and discusses the involvement of the EMT. RESULTS: Several groups using different approaches and techniques have demonstrated the existence of SCs and CSCs and as they are major players in pituitary adenoma onset...
December 8, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29222037/diabetes-as-risk-factor-for-pancreatic-cancer-hyperglycemia-promotes-epithelial-mesenchymal-transition-and-stem-cell-properties-in-pancreatic-ductal-epithelial-cells
#9
Sascha Rahn, Vivien Zimmermann, Fabrice Viol, Hendrike Knaack, Kerstin Stemmer, Lena Peters, Lennart Lenk, Hendrik Ungefroren, Dieter Saur, Heiner Schäfer, Ole Helm, Susanne Sebens
Type 2 diabetes mellitus (T2DM) is associated with hyperglycemia and a risk to develop pancreatic ductal adenocarcinoma (PDAC), one of the most fatal malignancies. Cancer stem cells (CSC) are essential for initiation and maintenance of tumors, and acquisition of CSC-features is linked to epithelial-mesenchymal-transition (EMT). The present study investigated whether hyperglycemia promotes EMT and CSC-features in premalignant and malignant pancreatic ductal epithelial cells (PDEC). Under normoglycemia (5 mM d-glucose), Panc1 PDAC cells but not premalignant H6c7-kras cells exhibited a mesenchymal phenotype along with pronounced colony formation...
December 5, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29221228/transcription-factor-spz1-may-promote-twist-mediated-epithelial-mesenchymal-transition-in-thoracic-malignancies
#10
EDITORIAL
Masayuki Watanabe
No abstract text is available yet for this article.
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221190/the-m6a-methyltransferase-mettl3-acting-as-a-tumor-suppressor-in-renal-cell-carcinoma
#11
Xiao Li, Jingyuan Tang, Wen Huang, Feng Wang, Pu Li, Chao Qin, Zhiqiang Qin, Qing Zou, Jifu Wei, Lixin Hua, Haiwei Yang, Zengjun Wang
We aimed to study the role of METTL3 in renal cell carcinoma (RCC) carcinogenesis and development. Immunohistochemistry was performed in clinical tissue microarray. Expression level of METTL3 in RCC tissues and cell lines was evaluated by quantitative real-time PCR (qRT-PCR) and western blot. Then, the effects of METTL3 on proliferation, migration, invasion and cell cycle were studied in RCC cells. Additionally, in vivo study was carried out in nude mice. Negative METTL3 expression was associated with larger tumor size (P=0...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221185/tgf%C3%AE-1-in-fibroblasts-derived-exosomes-promotes-epithelial-mesenchymal-transition-of-ovarian-cancer-cells
#12
Wenqian Li, Xiaoxue Zhang, Ji Wang, Mengchen Li, Canhui Cao, Jiahong Tan, Ding Ma, Qinglei Gao
Cancer-associated fibroblasts (CAF), a major component of the tumor microenvironment, play an important role in interacting with neoplastic cells to promote ovarian cancer progression. Exosomes are nano-sized vesicles that mediate the cross-talk between different cell types. An increasing number of studies have focused on the fact that tumor cell-derived exosomes influence stromal cells. However, the mechanism by which CAF-derived exosomes modulate cancer cells in ovarian cancer remains obscure. To investigate the role of CAF exosomes in ovarian cancer, we examined the exosomal content of paired primary, metastatic and normal fibroblasts from seven stage IIIC ovarian cancer patients by ELISA...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221155/cd109-released-from-human-bone-marrow-mesenchymal-stem-cells-attenuates-tgf-%C3%AE-induced-epithelial-to-mesenchymal-transition-and-stemness-of-squamous-cell-carcinoma
#13
Shufeng Zhou, Renzo Cecere, Anie Philip
Although there is increasing evidence that human bone marrow mesenchymal stem cells (hBM-MSCs) play an important role in cancer progression, the underlying mechanisms are poorly understood. Transforming growth factor β (TGF-β) is an important pro-metastatic cytokine. We have previously shown that CD109, a glycosylphosphatidylinositol-anchored protein, is a TGF-β co-receptor and a strong inhibitor of TGF-β signalling. Moreover, CD109 can be released from the cell surface. In the current study, we examined whether hBM-MSCs regulate the malignant properties of squamous cell carcinoma cells, and whether CD109 plays a role in mediating the effect of hBM-MSCs on cancer cells...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221135/silencing-of-bag3-inhibits-the-epithelial-mesenchymal-transition-in-human-cervical-cancer
#14
Fei Song, Geng Wang, Zhifang Ma, Yuebing Ma, Yingying Wang
Bcl2-associated athanogene 3 (BAG3) has been reported to be involved in aggressive progression of many tumors. In the present study, we examined the expression of BAG3 in human cervical cancer (CC) tissues and investigated the role of BAG3 in SiHa and HeLa cell growth, migration, and invasion. Here, we found that most of CC tissues highly expressed the protein and mRNA of BAG3, while their expression was obviously lower in paired normal tissues (all p<0.001). BAG3 expression was associated with FIGO stage and metastasis (all p<0...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220296/carcinosarcomas-and-related-cancers-tumors-caught-in-the-act-of-epithelial-mesenchymal-transition
#15
Angela Pang, Mariana Carbini, Andre L Moreira, Robert G Maki
In this review, we outline the biology and management of patients with carcinosarcomas and related malignancies, which are often included under the broader concept of sarcomatoid carcinomas. Carcinosarcomas are unusual tumors that are commonly gynecologic in origin, where they are referred to as malignant mixed Müllerian tumors, but may appear in any anatomic site. Although a variety of hypotheses have been presented as to the biphasic nature of these tumors, carcinosarcomas seem to represent the best example in human cancers of the concept of epithelial-mesenchymal transition (EMT), in which the two parts of the tumor are genomically related to one another, as opposed to the mesenchymal component that represents a second neoplasm or (benign) reactive process...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29219949/a-micrna-200c-cathepsin-l-feedback-loop-determines-paclitaxel-resistance-in-human-lung-cancer-a549-cells-in-vitro-through-regulating-epithelial-mesenchymal-transition
#16
Yi-Fan Zhao, Mei-Ling Han, Ya-Jie Xiong, Long Wang, Yao Fei, Xiao Shen, Ying Zhu, Zhong-Qin Liang
Cathepsin L (CTSL), a cysteine protease, is closely related to tumor occurrence, development, and metastasis, and possibly regulates cancer cell resistance to chemotherapy. miRNAs, especially the miR-200 family, have been implicated in drug-resistant tumors. In this study we explored the relationship of CTSL, micRNA-200c and drug resistance, and the potential regulatory mechanisms in human lung cancer A549 cells and A549/TAX cells in vitro. A549/TAX cells were paclitaxel-resistant A549 cells overexpressing CTSL and characterized by epithelial-mesenchymal transition (EMT)...
December 7, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29219208/lncrna-h19-promotes-epithelial-mesenchymal-transition-emt-by-targeting-mir-484-in-human-lung-cancer-cells
#17
Qianqian Zhang, Xiaoliang Li, Xiao Li, Xiaosu Li, Zhuochang Chen
BACKGROUND: Recently, the long non-coding RNA (lncRNA) H19 has been identified as an oncogenic gene in multiple cancer types. However, the molecular basis for this observation has not been characterized in lung cancer, especially during epithelial mesenchymal transition (EMT) progression. METHODS: Cell viability, migration, invasion, and apoptosis were measured using trypan blue exclusion assay, Transwell migration/invasion assay, andflow cytometry, respectively...
December 8, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29218247/akip1-promoted-epithelial-mesenchymal-transition-of-non-small-cell-lung-cancer-via-transactivating-zeb1
#18
Xiaobin Guo, Limin Zhao, Dongjun Cheng, Qing Mu, Hongyan Kuang, Keqing Feng
Non-small-cell lung cancer (NSCLC) is one of the leading death-related malignancies worldwide with elusive molecular mechanisms. A-kinase interacting protein 1 (AKIP1) is an important regulator controlling metastasis, lymphangiogenesis and angiogenesis. However, the role of AKIP1 in NSCLC progression is still little known. Here, we found that AKIP1 was overexpressed in NSCLC specimens as well as cell lines. Overexpression of AKIP1 in NSLCC tissues was positively correlated with TNM stage, lymph node metastasis and poor prognosis...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29218239/csf-1r-regulates-non-small-cell-lung-cancer-cells-dissemination-through-wnt3a-signaling
#19
Yan Xia Yu, Hai Jian Wu, Bing Xu Tan, Chen Qiu, Hui Zhong Liu
Therapeutic antibodies targeting colony stimulating factor 1 receptor (CSF-1R) to block colony stimulating factor-1/colony stimulating factor 1 receptor (CSF-1/CSF-R) signaling axis have exhibit remarkable efficacy in the treatment of malignant tumor. Yet, little is known about the effects of intrinsic CSF-1R in human non-small-cell carcinoma (NSCLC). Here we demonstrated that NSCLC cell-intrinsic CSF-1R promoted cells growth and metastasis both in vitro and in vivo. CSF-1R knocked-down by transfecting with shRNA target CSF-1R suppressed NSCLC cells proliferation and tumor growth in nude mice...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29218075/il-32%C3%AE-a-recently-identified-anti-inflammatory-variant-of-il-32-and-its-preventive-role-in-various-disorders-and-tumor-suppressor-activity
#20
REVIEW
Muhammad Babar Khawar, Maryam Mukhtar, Muddasir Hassan Abbasi, Nadeem Sheikh
Interleukin-32 theta (IL-32θ) is newly identified isoform of IL-32 which plays a vital role in inflammatory responses. Like IL-32α and IL-32β, IL-32θ isoform acts as an intracellular inflammatory modulator. It results in reduction of IL-1β production by attenuating the expression of PU.1 and inhibition of monocytes differentiation into macrophages. IL-32θ hinders TNF-α expression by inhibiting p38 MAPK and inhibitor of κB (IκB) as well. It also reserved STAT3-ZEB1 pathway leading to the inhibition of epithelial-mesenchymal transition (EMT) and stemness...
2017: American Journal of Translational Research
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