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https://www.readbyqxmd.com/read/28931210/long-noncoding-rna-pcat-1-promotes-invasion-and-metastasis-via-the-mir-129-5p-hmgb1-signaling-pathway-in-hepatocellular-carcinoma
#1
Deyuan Zhang, Jinyu Cao, Qingling Zhong, Liangtao Zeng, Chang Cai, Lang Lei, Wen Zhang, Fanrong Liu
OBJECTIVE: The long non-coding RNA (lncRNA) prostate cancer-associated transcript 1(PCAT-1) has been shown to be dysregulated and exert vital roles in tumorigenesis and progression of various malignancies. However, the precise molecular mechanism in the metastasis and invasion of HCC remain unclear. METHODS: The expression levels of PCAT1 derived from human HCC tissues and cell lines were analyzed through quantitative real-time PCR. QRT-PCR was also applied to detect the expression of HMGB1 and miR-129-5p...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28930817/cronkhite-canada-syndrome-associated-with-colon-cancer-metastatic-to-liver-a-case-report
#2
Jing Wang, Lei Zhao, Nina Ma, Juanjuan Che, Huihui Li, Bangwei Cao
RATIONALE: Cronkhite-Canada Syndrome (CCS) is an idiopathic, nonhereditary syndrome haracterized by gastrointestinal (GI) polyposis and ectodermal changes including alopecia, onychatrophia, and pigmentation. CCS colon polyps were previously considered to be benign neoplasms. However, serrated adenoma was reported to be associated with malignant neoplasms in some cases of gastric and colorectal carcinomas, and esophageal cancers. Although malignant colon and gastric cancer have been reported in CCS, reports of distant metastasis have been rare in CCS...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930679/melanoma-suppressor-functions-of-the-carcinoma-oncogene-foxq1
#3
Archis Bagati, Anna Bianchi-Smiraglia, Sudha Moparthy, Kateryna Kolesnikova, Emily E Fink, Brittany C Lipchick, Masha Kolesnikova, Peter Jowdy, Anthony Polechetti, Amin Mahpour, Jason Ross, Joseph A Wawrzyniak, Dong Hyun Yun, Gyorgy Paragh, Nadezhda I Kozlova, Albert E Berman, Jianmin Wang, Song Liu, Michael J Nemeth, Mikhail A Nikiforov
Lineage-specific regulation of tumor progression by the same transcription factor is understudied. We find that levels of the FOXQ1 transcription factor, an oncogene in carcinomas, are decreased during melanoma progression. Moreover, in contrast to carcinomas, FOXQ1 suppresses epithelial-to-mesenchymal transition, invasion, and metastasis in melanoma cells. We find that these lineage-specific functions of FOXQ1 largely depend on its ability to activate (in carcinomas) or repress (in melanoma) transcription of the N-cadherin gene (CDH2)...
September 19, 2017: Cell Reports
https://www.readbyqxmd.com/read/28930597/the-store-operated-calcium-channels-in-cancer-metastasis-from-cell-migration-invasion-to-metastatic-colonization
#4
Pingli Mo, Shengyu Yang
Store-operated calcium entry (SOCE) is the predominant calcium entry mechanism in most cancer cells. SOCE is mediated by the endoplasmic reticulum calcium sensor STIMs (STIM1 and 2) and plasma membrane channel forming unit Orais (Orai 1-3). In recent years there is increasing evidence indicating that SOCE in cancer cells is dysregulated to promote cancer cell migration, invasion and metastasis. The overexpression of STIM and Orai proteins has been reported to correlate with the metastatic progression of various cancers...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930564/expression-and-role-of-long-non-coding-rna-h19-in-carcinogenesis
#5
Hisashi Yoshimura, Yoko Matsuda, Masami Yamamoto, Shinji Kamiya, Toshiyuki Ishiwata
With the recent advent of whole genome and transcriptome sequencing technologies, long non-coding RNAs have been brought into the spotlight in molecular biology. H19 was one of the first reported long non-coding RNAs; its expression is high in embryonic organs and absent or greatly reduced in most adult tissues. Accumulating evidence suggests that H19 plays crucial roles in embryogenesis. However, its levels are increased in different cancers, including breast, hepato-gastrointestinal, urological, respiratory, and brain tumors...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28929387/distinct-histopathological-characteristics-in-colorectal-submucosal-invasive-carcinoma-arising-in-sessile-serrated-adenoma-polyp-and-conventional-tubular-adenoma
#6
Takashi Murakami, Hiroyuki Mitomi, Takashi Yao, Tsuyoshi Saito, Tomoyoshi Shibuya, Naoto Sakamoto, Taro Osada, Sumio Watanabe
The histopathological characteristics of colorectal submucosal invasive carcinoma arising in sessile serrated adenoma/polyp (SSA/P), a rare malignant tumour, have not yet been fully elucidated. To investigate the features of such, we retrospectively analysed 40 submucosal invasive carcinomas with SSA/P (CA-SSA/P) and compared them to 129 cases of submucosal invasive carcinoma with conventional tubular adenoma (CA-AD). We additionally performed hMLH1 immunostaining. CA-SSA/Ps were significantly smaller than CA-ADs (P < 0...
September 19, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28928901/systematic-correlation-analyses-of-circulating-tumor-cells-with-clinical-variables-and-tumor-markers-in-lung-cancer-patients
#7
Xu Wang, Kewei Ma, Zhiguang Yang, Jiuwei Cui, Hua He, Andrew R Hoffman, Ji-Fan Hu, Wei Li
Measurement of circulating tumor cells (CTC) offers promise as a clinical biomarker to monitor disease status, therapeutic response, and progression in cancer patients. However, its clinical value in lung cancer patients has not been fully explored. We systematically evaluate the association of CTCs with clinical variables and tumor markers in a cohort of lung cancer patients. Using the CELLSEARCH System, CTCs were detected in both small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC) patients prior to therapy...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928891/overexpression-of-lamc1-predicts-poor-prognosis-and-enhances-tumor-cell-invasion-and-migration-in-hepatocellular-carcinoma
#8
Yaojun Zhang, Shaoyan Xi, Jinbin Chen, Dongsheng Zhou, Hengjun Gao, Zhongguo Zhou, Li Xu, Minshan Chen
LAMC1 encodes an extracellular matrix protein, laminin γ1 chain, which is involved in several biological and pathological processes including tissue development, tumor cell invasion and metastasis. In present study, we demonstrated that both LAMC1 protein and mRNA levels were elevated in HCC tissue samples compared with non-cancerous tissue samples according to western blot analyses, immunohistochemistry (IHC) and microarray. Moreover, high LAMC1 expression was positively correlated with incomplete encapsulation (p=0...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928871/twisted-gastrulation-bmp-signaling-modulator-1-regulates-papillary-thyroid-cancer-cell-motility-and-proliferation
#9
Shujun Xia, Ri Ji, Yongmin Xu, Xiaofeng Ni, Yijie Dong, Weiwei Zhan
Bone morphogenetic proteins (BMPs) are growth factors that have important functions in cell proliferation, migration and differentiation. To date, BMP pathway activation has been found in multiple human tumors and is associated with enhanced malignant tumor growth and metastasis. BMP activity is tightly regulated by a family of soluble extracellular secreted BMP modulators. Twisted gastrulation BMP signaling modulator 1 (TWSG1) is a direct BMP regulator that is required for the full signaling activity of BMPs...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928831/park2-negatively-regulates-the-metastasis-and-epithelial-mesenchymal-transition-of-glioblastoma-cells-via-zeb1
#10
Haiyang Wang, Zhenfeng Jiang, Meng Na, Haitao Ge, Chongyang Tang, Hong Shen, Zhiguo Lin
Glioblastoma multiforme (GBM), one of the most aggressive human malignant brain tumors, is induced by multiple complex pathological mechanisms. The main cause of mortality in patients with GBM is the invasion-metastasis cascade of tumor cells. The dysfunction of Parkinson protein 2 E3 ubiquitin protein ligase (PARK2) is closely linked with the development of certain human cancers. However, whether PARK2 is associated with metastasis in GBM remains unknown. The present study demonstrated that the metastasis and invasion of U87 cells were significantly repressed by PARK2 overexpression...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928830/overexpression-of-long-noncoding-rna-peg10-promotes-proliferation-invasion-and-metastasis-of-hypopharyngeal-squamous-cell-carcinoma
#11
Miaoqing Zhao, Dianshui Sun, Xinwei Li, Ying Xu, Hao Zhang, Yejun Qin, Ming Xia
The present study aimed to investigate the impact of overexpression of long noncoding RNA PEG10 (lncRNA PEG10) on the proliferation, invasion and metastasis of hypopharyngeal squamous cell carcinoma (HSCC). Quantitative reverse transcription polymerase chain reaction was used to quantify lncRNA PEG10 expression levels in HSCC tumor tissues samples, para-carcinoma tissue samples and the HSCC FaDu cell line. Cell proliferation assays, Transwell invasion assays and wound healing assays were used to evaluate the effects of lncRNA PEG10 on FaDu cells in vitro...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928826/delineation-of-retroperitoneal-metastatic-lymph-nodes-in-ovarian-cancer-with-near-infrared-fluorescence-imaging
#12
Tao Pu, Liqin Xiong, Qiyu Liu, Minxing Zhang, Qingqing Cai, Haiou Liu, Anil K Sood, Guiling Li, Yu Kang, Congjian Xu
Lymph node metastasis occurs in early-stage and late-stage ovarian cancers. Systematic lymphadenectomy is frequently conducted in an attempt to prevent disease progression. However, this method is associated with multiple complications. Therefore, it is necessary to develop a less invasive and more sensitive method for detecting lymphatic metastasis in ovarian cancer. The aim of the present study was to develop an appropriate fluorescent label for the analysis of lymphatic metastasis in vivo. To this end, epithelial ovarian cancer cells with high potential for lymph node metastasis were labeled using mCherry fluorescence...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928813/heat-shock-protein-70-downregulation-inhibits-proliferation-migration-and-tumorigenicity-in-hepatocellular-carcinoma-cells
#13
Ju Xiong, Xue-Mei Jiang, Shan-Shan Mao, Xiang-Nan Yu, Xiao-Xi Huang
The overexpression of heat shock protein 70 (HSP70), a major stress-inducible heat shock protein, has been identified to enhance the proliferation, survival, invasion and metastasis of diverse types of human cancer. However, its role in hepatocellular carcinoma (HCC) remains poorly understood. The present study demonstrated that HSP70 expression was higher in tested HCC cell lines, compared with the normal hepatocyte LO2, and the suppression of HSP70 significantly inhibited the proliferation of SMMC-7721 and Hep3B cells...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928811/loss-of-fibulin-2-expression-is-involved-in-the-inhibition-of-breast-cancer-invasion-and-forms-a-new-barrier-in-addition-to-the-basement-membrane
#14
Haosheng Tan, Jiaxin Zhang, Deyuan Fu, Yuxiang Zhu
Previous studies have demonstrated that fibulin-2 may facilitate cancer cell invasion and metastasis during tumor progression. In the present study, immunohistochemical analyses of fibulin-2 and collagen IV expression in 35 patients with breast cancer were performed to define their localization and association with breast cancer tissue. Fibulin-2 was revealed to be expressed in all tissues surrounding the breast ducts and blood vessels in normal breast tissue, while its expression was not integrated in invasive ductal carcinoma or terminal duct-lobular unit...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928809/nedd4-promotes-cell-growth-and-migration-via-pten-pi3k-akt-signaling-in-hepatocellular-carcinoma
#15
Zhi-Jun Huang, Jun-Jun Zhu, Xiao-Yu Yang, Ewelina Biskup
The novel E3 ubiquitin-protein ligase neural precursor cell-expressed developmentally downregulated protein 4 (NEDD4) has been implicated as a crucial factor promoting the tumorigenesis of several types of cancer. The present study investigated the oncogenic role of NEDD4 in hepatocellular carcinoma (HCC) by targeted small interfering RNA silencing of the tumor suppressor phosphatase and tensin homolog (PTEN). Using normal hepatocyte and HCC cell lines, the influence of NEDD4 depletion on proliferation and migration as well as on the PTEN/phosphatidylinositol-3-kinase/protein kinase B signaling pathway was assessed...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928287/hif-3%C3%AE-promotes-metastatic-phenotypes-in-pancreatic-cancer-by-transcriptional-regulation-of-the-rhoc-rock1-signaling-pathway
#16
Xianfei Zhou, Xingjun Guo, Meiyuan Chen, Chencheng Xie, Jianxin Jiang
Hypoxia contributes to pancreatic cancer progression and promotes its growth and invasion. Previous research principally focused on hypoxia-inducible factor-1 alpha and HIF-2α (HIF1A and EPAS1) as the major hypoxia-associated transcription factors in pancreatic cancer. However, the role of HIF-3α (HIF3A) has not been investigated. Therefore, HIF-1α, HIF-2α, and HIF-3α expression levels were measured under normoxic and hypoxic conditions. In addition, HIF-3α expression was measured in human pancreatic cancer tissue specimens and the impact of altered HIF-3α expression on cell invasion and migration was investigated in vitro and in vivo, as well as the underlying mechanisms...
September 19, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28928231/the-role-of-circrnas-in-cancers
#17
Ling-Ping Zhu, Yun-Jie He, Jun-Chen Hou, Xiu Chen, Si-Ying Zhou, Su-Jin Yang, Jian Li, He-Da Zhang, Jia-Hua Hu, Shan-Liang Zhong, Jian-Hua Zhao, Jin-Hai Tang
Circular RNAs (circRNAs) are recently regarded as a naturally forming family of widespread and diverse endogenous noncoding RNAs that may regulate gene expression in mammals. At present, above 30,000 circRNAs have already been found, with their unique structures to maintain stability more easily than linear RNAs. Several previous literatures stressed on the important role of circRNAs, whose expression was relatively correlated with patients' clinical characteristics and grade, in the carcinogenesis of cancer...
September 19, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28928159/bmp4-induces-m2-macrophage-polarization-and-favors-tumor-progression-in-bladder-cancer
#18
Víctor G Martínez, Carolina Rubio, Mónica Martínez-Fernández, Cristina Segovia, Fernando López-Calderón, Marina Garín, Alicia Teijeira, Ester Munera-Maravilla, Alberto Varas, Rosa Sacedón, Felix Guerrero-Ramos, Felipe Villacampa, Federico de la Rosa, Daniel Castellano, Eduardo López-Collazo, Jesus M Paramio, Ángeles Vicente, Marta Dueñas
PURPOSE: Bladder cancer (BC) is a current clinical and social problem. At diagnosis, most patients present non-muscle invasive tumors, characterized by a high recurrence rate, which could progress to muscle invasive disease and metastasis. Bone morphogenetic protein (BMP)-dependent signaling arising from stromal bladder tissue mediates urothelial homeostasis by promoting urothelial cell differentiation. However, the possible role of BMP ligands in BC is still unclear. EXPERIMENTAL DESIGN: Tumor and normal tissue from 68 patients with urothelial cancer were prospectively collected and analyzed for expression of BMP and macrophage markers...
September 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28928094/identification-of-hypoxia-regulated-angiogeneic-genes-in-colorectal-cancer
#19
Shaoqi Zong, Wen Li, Hongjia Li, Susu Han, Shanshan Liu, Qi Shi, Fenggang Hou
The tumour hypoxia would trigger the angiogenesis switch for survival, and increase the ability of cancer cells to invade and metastasis. However, hypoxia regulated genes that invovled in angiogenesis in colorectal cancer (CRC) have not been explored in detail. The aim of this study was to explore angiogenic genes under hypoxia condition in CRC. Here, we found that endothelial cells tube formation and cancer cells invasion ability were promoted even under chronic hypoxia condition (72 h) in colon adenocarcinoma HCT-116 cells...
September 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28927893/msx1-induced-neural-crest-like-reprogramming-promotes-melanoma-progression
#20
Markus V Heppt, Joshua X Wang, Denitsa M Hristova, Zhi Wei, Ling Li, Brianna Evans, Marilda Beqiri, Samir Zaman, Jie Zhang, Martin Irmler, Carola Berking, Robert Besch, Johannes Beckers, Frank J Rauscher, Rick A Sturm, David E Fisher, Meenhard Herlyn, Mizuho Fukunaga-Kalabis
Melanoma cells share many biological properties with neural crest stem cells. Here we show that the homeodomain transcription factor Msh homeobox 1 (MSX1), which is significantly correlated with melanoma disease progression, reprograms melanocytes and melanoma cells towards a neural crest precursor-like state. MSX1-reprogrammed normal human melanocytes express the neural crest marker p75 and become multipotent. MSX1 induces a phenotypic switch in melanoma, which is characterized by an oncogenic transition from an E-cadherin-high non-migratory state towards a ZEB1-high invasive state...
September 16, 2017: Journal of Investigative Dermatology
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