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https://www.readbyqxmd.com/read/29224019/the-mir-495-annexin-a3-p53-axis-inhibits-the-invasion-and-emt-of-colorectal-cancer-cells
#1
Zhigang Bai, Jin Wang, Tingting Wang, Yuan Li, Xiaomu Zhao, Guocong Wu, Yingchi Yang, Wei Deng, Zhongtao Zhang
BACKGROUND/AIMS: More and more reports have shown that the dysregulation of miRNAs can contribute to the progression and metastasis of human cancers. Many studies have shown that the down-regulation of the miR-495 level occurs in a variety of cancers, including colorectal cancer (CRC). However, the precise molecular mechanisms of miR-495 in CRC have not been well clarified. In the current study, we investigated the biological functions and molecular mechanisms of miR-495 in CRC cell lines...
December 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29222642/pituitary-adenomas-stem-cells-and-cancer-stem-cells-what-s-new
#2
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
#3
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/29221199/long-non-coding-rna-uca1-indicates-an-unfavorable-prognosis-and-promotes-tumorigenesis-via-regulating-akt-gsk-3%C3%AE-signaling-pathway-in-cholangiocarcinoma
#4
Yi Xu, Yue Yao, Kaiming Leng, Zhenglong Li, Wei Qin, Xiangyu Zhong, Pengcheng Kang, Ming Wan, Xingming Jiang, Yunfu Cui
Long non-coding RNAs (lncRNAs) have been documented to play key roles in a wide range of pathophysiological processes, including cancer initiation and progression. Recently, the aberrant expression of urothelial carcinoma associated 1 (UCA1) was observed in many types of cancers. However, its clinical relevance and exact effects in cholangiocarcinoma (CCA) remains unknown. In the present study, we aimed to investigate the clinical significance of UCA1 and evaluate its prognostic value in patients with CCA. Besides, the functional roles of UCA1 were detected both in vitro and in vivo...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221190/the-m6a-methyltransferase-mettl3-acting-as-a-tumor-suppressor-in-renal-cell-carcinoma
#5
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
#6
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/29221154/expression-of-ganglioside-gd2-reprogram-the-lipid-metabolism-and-emt-phenotype-in-bladder-cancer
#7
Venkatrao Vantaku, Sri Ramya Donepudi, Chandrashekar R Ambati, Feng Jin, Vasanta Putluri, Khoa Nguyen, Kimal Rajapakshe, Cristian Coarfa, Venkata Lokesh Battula, Yair Lotan, Nagireddy Putluri
High-grade Bladder Cancer (BLCA) represents the most aggressive and treatment-resistant cancer that renders the patients with poor survival. However, only a few biomarkers have been identified for the detection and treatment of BLCA. Recent studies show that ganglioside GD2 can be used as cancer biomarker and/or therapeutic target for various cancers. Despite its potential relevance in cancer diagnosis and therapeutics, the role of GD2 is unknown in BLCA. Here, we report for the first time that high-grade BLCA tissues and cell lines have higher expression of GD2 compared to low-grade by high-resolution Mass Spectrometry...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221135/silencing-of-bag3-inhibits-the-epithelial-mesenchymal-transition-in-human-cervical-cancer
#8
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/29220395/microrna-93-promotes-proliferation-and-metastasis-of-gastric-cancer-via-targeting-timp2
#9
Hao Guan, Weiming Li, Yuanyuan Li, Jichang Wang, Yan Li, Yanan Tang, Shaoying Lu
MicroRNAs (miRNAs) are important regulators of pathobiological processes in various cancer. In the present study, we demonstrated that miR-93 expression was significantly up-regulated in gastric cancer tissues compared with that in matched normal mucosal tissues. High expression of miR-93 was significantly associated with lymph node metastasis and tumor-node-metastasis (TNM) stage. Functionally, ectopic expression of miR-93 promoted cell proliferation, migration, invasion, EMT phenotypes, and repressed apoptosis and G1 cell cycle arrest in vitro, and promoted tumor formation in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/29220296/carcinosarcomas-and-related-cancers-tumors-caught-in-the-act-of-epithelial-mesenchymal-transition
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
https://www.readbyqxmd.com/read/29218012/anti-tumor-effect-of-rhaponticum-uniflorum-ethyl-acetate-extract-by-regulation-of-peroxiredoxin1-and-epithelial-to-mesenchymal-transition-in-oral-cancer
#16
Hui Chen, Chunxiao Wang, Moci Qi, Lihua Ge, Zhenchuan Tian, Jinhua Li, Min Zhang, Min Wang, Linfang Huang, Xiaofei Tang
Objective: To explore whether Rhaponticum uniflorum (R. uniflorum) had anti-tumor effects in oral cancer and investigate the molecular mechanisms involved in these anti-tumor effects. Methods: Chemical compositions of R. uniflorum ethyl acetate (RUEA) extracts were detected by ultra-performance liquid chromatography-Q/time-of-flight mass spectrometry (UPLC-Q/TOF-MS), followed by pharmacology-based network prediction analysis. The effects of RUEA extracts on proliferation, apoptosis, migration, and invasion ability of human oral squamous cell carcinoma (OSCC) cell line SCC15 were evaluated by CCK8 assay, Annexin V- fluorescein isothiocyanate/propidium iodide staining, wound healing assay, and Matrigel invasion assay, respectively...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29217194/long-noncoding-rna-snhg15-promotes-human-breast-cancer-proliferation-migration-and-invasion-by-sponging-mir-211-3p
#17
Qingli Kong, Min Qiu
Long non-coding RNAs (lncRNA) have been demonstrated to act as essential regulators in the development and progression of breast cancer. In our study, we found that long noncoding RNA SNHG15 was highly expressed in breast cancer tissues and cell lines. And the expression of SNHG15 was correlated with TNM stage, lymphnode metastasis and survival in breast cancer patients. SNHG15 knockdown significantly inhibited the proliferation and induced apoptosis in breast cancer cells in vitro and in vivo. Besides, SNHG15 downregulation suppressed cell migration and invasion in MCF-7 and BT-20 cells, and inhibited epithelial-mesenchymal transition (EMT)...
December 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29216867/protein-kinase-c-%C3%AE-enhances-migration-of-breast-cancer-cells-through-foxc2-mediated-repression-of-p120-catenin
#18
Thao N D Pham, Bethany E Perez White, Huiping Zhao, Fariborz Mortazavi, Debra A Tonetti
BACKGROUND: Despite recent advances in the diagnosis and treatment of breast cancer, metastasis remains the main cause of death. Since migration of tumor cells is considered a prerequisite for tumor cell invasion and metastasis, a pressing goal in tumor biology has been to elucidate factors regulating their migratory activity. Protein kinase C alpha (PKCα) is a serine-threonine protein kinase implicated in cancer metastasis and associated with poor prognosis in breast cancer patients...
December 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29216628/mir-212-5p-suppresses-the-epithelial-mesenchymal-transition-in-triple-negative-breast-cancer-by-targeting-prrx2
#19
Zhi-Dong Lv, Dong-Xia Yang, Xiang-Ping Liu, Li-Ying Jin, Xin-Gang Wang, Zhao-Chuan Yang, Dong Liu, Jiao-Jiao Zhao, Bin Kong, Fu-Nian Li, Hai-Bo Wang
BACKGROUND/AIMS: Triple-negative breast cancer (TNBC) is the most aggressive breast cancer subtype. Our study investigated the functional role of miR-212-5p in TNBC. METHODS: Realtime PCR was used to quantify miR-212-5p expression levels in 30 paired TNBC samples and adjacent normal tissues. Wound healing and Transwell assays were used to evaluate the effects of miR-212-5p expression on the invasiveness of TNBC cells. Luciferase reporter and Western blot assays were used to verify whether the mRNA encoding Prrx2 is a major target of miR-212-5p...
December 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29216625/missing-links-in-epithelial-mesenchymal-transition-long-non-coding-rnas-enter-the-arena
#20
Lei Wang, Fan Yang, Lin-Tao Jia, An-Gang Yang
Cancer metastasis occurs through a series of sequential steps, which involves dissemination of tumor cells from a primary site and colonization in distant tissues. To promote the invasion-metastasis cascade, carcinoma cells usually initiate a cell-biological program called epithelial-mesenchymal transition (EMT), which is orchestrated by a set of master regulators, including TGF-β, Snail, ZEB and Twist families. The biological activities of these molecules are tightly regulated by a variety of cell-intrinsic pathways as well as extracellular cues...
December 6, 2017: Cellular Physiology and Biochemistry
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