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Cell Pathway And Malignancy

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https://www.readbyqxmd.com/read/30539522/identification-of-long-noncoding-rna-mir22hg-as-a-novel-biomarker-in-thyroid-cancer
#1
Lu Qin, Jin-Zhu Luo, Xue-Lian Tang, Chuan-Gang Han
Thyroid cancer (TC) is the one of the most common endocrine malignancy. However, currently there are no specific and sensitive biomarkers for predicting the prognosis for TC. In this study, we for the first time showed MIR22HG was down-regulated in thyroid cancer by analyzing public datasets, including TCGA, GSE29265, GSE33630, and GSE55091. Furthermore, we observed the lower expression levels of MIR22HG were significantly related to higher age, lymph node metastasis status, residual tumor status, N stage, Grade, and T stage in TC...
December 12, 2018: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/30539424/hedgehog-pathway-inhibitors-and-their-utility-in-basal-cell-carcinoma-a-comprehensive-review-of-current-evidence
#2
REVIEW
Evelyn Yu-Xin Tay, Yee-Leng Teoh, Matthew Sze-Wei Yeo
Basal cell carcinoma (BCC) is the most commonly diagnosed malignancy in humans, and as such it poses a significant healthcare burden. The majority of BCC cases are amenable to cure by surgical extirpation. However, until recently there have been no good treatment options for a significant minority of advanced BCC cases, including locally advanced BCC and metastatic BCC. The introduction of a novel class of drugs, the Hedgehog pathway inhibitors, into clinical practice has ushered in a new treatment algorithm for the treatment of difficult BCC cases...
December 11, 2018: Dermatology and Therapy
https://www.readbyqxmd.com/read/30538558/integrated-analysis-reveals-key-genes-with-prognostic-value-in-lung-adenocarcinoma
#3
Ying-Jian Song, Juan Tan, Xin-Huai Gao, Li-Xin Wang
Background: Lung cancer is one of the most common malignant tumors. Despite advances in lung cancer therapies, prognosis of non-small-cell lung cancer is still unfavorable. The aim of this study was to identify the prognostic value of key genes in lung tumorigenesis. Methods: Differentially expressed genes (DEGs) were screened out by GEO2R from three Gene Expression Omnibus cohorts. Common DEGs were selected for Kyoto Encyclopedia of Genes and Genomes pathway analysis and Gene Ontology enrichment analysis...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/30538285/by-reducing-global-mrna-translation-in-several-ways-2-deoxyglucose-lowers-mcl-1-protein-and-sensitizes-hemopoietic-tumor-cells-to-bh3-mimetic-abt737
#4
Maximilien Tailler, Lisa M Lindqvist, Leonie Gibson, Jerry M Adams
Drugs targeting various pro-survival BCL-2 family members (''BH3 mimetics'') have efficacy in hemopoietic malignancies, but the non-targeted pro-survival family members can promote resistance. Pertinently, the sensitivity of some tumor cell lines to BH3 mimetic ABT737, which targets BCL-2, BCL-XL, and BCL-W but not MCL-1, is enhanced by 2-deoxyglucose (2DG). We found that 2DG augmented apoptosis induced by ABT737 in 3 of 8 human hemopoietic tumor cell lines, most strongly in pre-B acute lymphocytic leukemia cell line NALM-6, the focus of our mechanistic studies...
December 11, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/30537986/a-novel-fli1-exonic-circular-rna-promotes-metastasis-in-breast-cancer-by-coordinately-regulating-tet1-and-dnmt1
#5
Naifei Chen, Gang Zhao, Xu Yan, Zheng Lv, Hongmei Yin, Shilin Zhang, Wei Song, Xueli Li, Lingyu Li, Zhonghua Du, Lin Jia, Lei Zhou, Wei Li, Andrew R Hoffman, Ji-Fan Hu, Jiuwei Cui
BACKGROUND: Friend leukemia virus integration 1 (FLI1), an ETS transcription factor family member, acts as an oncogenic driver in hematological malignancies and promotes tumor growth in solid tumors. However, little is known about the mechanisms underlying the activation of this proto-oncogene in tumors. RESULTS: Immunohistochemical staining showed that FLI1 is aberrantly overexpressed in advanced stage and metastatic breast cancers. Using a CRISPR Cas9-guided immunoprecipitation assay, we identify a circular RNA in the FLI1 promoter chromatin complex, consisting of FLI1 exons 4-2-3, referred to as FECR1...
December 11, 2018: Genome Biology
https://www.readbyqxmd.com/read/30537941/ska1-overexpression-is-associated-with-poor-prognosis-in-hepatocellular-carcinoma
#6
Yibing Chen, Jingjing Zhao, Zhihui Jiao, Weiwei Wang, Dandan Wang, Xiaohe Yu, Zhiyong Shi, Naijian Ge, Qiuzhong Pan, Jianchuan Xia, Wancheng Niu, Ruihua Zhao, Xiaofei Zhang, Wei Du
BACKGROUND: SKA1, an important mitosis protein, has been indicated in the initiation and progression of several malignancies. However, its clinical significance in hepatocellular carcinoma (HCC) remain to be elucidated. METHODS: mRNA expression of SKA1 was examined in 126 HCC and paired non-neoplastic tissues using real-time PCR and validated in The Cancer Genome Atlas (TCGA) database. SKA1 protein expression was detected using immunohistochemistry in the 126 HCC tissues and its associations with clinicopathological parameters and prognosis were analyzed...
December 11, 2018: BMC Cancer
https://www.readbyqxmd.com/read/30537154/long-noncoding-rna-casc9-promotes-lin7a-expression-via-mir-758-3p-to-facilitate-the-malignancy-of-ovarian-cancer
#7
Xiaowei Hu, Yang Li, Dan Kong, Longhu Hu, Donghui Liu, Jin Wu
The long noncoding RNA cancer susceptibility 9 (CASC9) has been reported to be a pivot modulator in growth and metastasis of breast cancer, liver cancer, esophageal squamous cell carcinoma, lung adenocarcinoma, gastric cancer, and nasopharyngeal cancer. However, its potential roles in ovarian cancer remain unclear. In this study, we aimed at its functions and molecular mechanism in ovarian cancer progression. We showed that CASC9 was highly expressed in ovarian cancer tissues and cell lines. An elevated level of CASC9 predicts an unfavorable prognosis in patients with ovarian cancer...
December 7, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30537114/myd88-l265p-mutations-identify-a-prognostic-gene-expression-signature-and-a-pathway-for-targeted-inhibition-in-cll
#8
Ma Reina Improgo, Bethany Tesar, Josephine L Klitgaard, Reuma Magori-Cohen, Lijian Yu, Siddha Kasar, Divya Chaudhary, Wenyan Miao, Stacey M Fernandes, Kevin Hoang, William F Westlin, Haesook T Kim, Jennifer R Brown
The L265P somatic mutation in the Myeloid Differentiation Primary Response 88 (MYD88) gene is a recurrent mutation in chronic lymphocytic leukaemia (CLL). This mutation has functional effects in various haematological malignancies but its role in CLL remains to be fully elucidated. Here, we report that MYD88 L265P mutations are associated with mutated immunoglobulin heavy-chain gene (IGHV-M) status and that among IGHV-M patients, the presence of MYD88 L265P is associated with younger age at diagnosis. Using microarray and RNA-Seq gene expression analysis, we further observe that the MYD88 L265P mutation is associated with a distinctive gene expression signature that predicts both failure-free survival and overall survival...
December 9, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/30537113/the-long-noncoding-rna-norad-enhances-the-tgf-%C3%AE-pathway-to-promote-hepatocellular-carcinoma-progression-by-targeting-mir-202-5p
#9
Xuan Yang, Jia-Bin Cai, Rui Peng, Chuan-Yuan Wei, Jia-Cheng Lu, Chao Gao, Zhao-Zuo Shen, Peng-Fei Zhang, Xiao-Yong Huang, Ai-Wu Ke, Guo-Ming Shi, Jia Fan
Hepatocellular carcinoma (HCC) is one of the most fatal cancers with common features of invasion and metastasis. Recent evidence indicate that the long noncoding RNA NORAD is a potential oncogene and is significantly upregulated in several cancers. However, the general biological role and clinical value of NORAD in HCC remains unknown. Here, NORAD expression was measured in 29 paired tumor and paratumor tissues via quantitative real-time polymerase chain reaction (qPCR). The effects of NORAD on HCC cell malignant potential were investigated via NORAD overexpression and knockdown both in vitro and in vivo...
December 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30537109/micrornas-in-cancer-stem-cells-biology-pathways-and-therapeutic-opportunities
#10
REVIEW
Zahra Asadzadeh, Behzad Mansoori, Ali Mohammadi, Marjan Aghajani, Khalil Haji-Asgarzadeh, Elham Safarzadeh, Ahad Mokhtarzadeh, Pascal H G Duijf, Behzad Baradaran
Cancer stem cells (CSCs) are a small subpopulation of tumor cells that have been identified in most types of cancer. Features that distinguish them from the bulk of tumor cells include their pluripotency, self-renewal capacity, low proliferation rate, and tumor-initiating ability. CSCs are highly malignant, as they confer drug resistance and facilitate tumor progression, relapse, and metastasis. The molecular mechanisms underlying CSC biology are now beginning to be understood. In this context, microRNAs (miRNAs) occupy a prominent place...
December 7, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30537019/lipophagy-in-nonliver-tissues-and-some-related-diseases-pathogenic-and-therapeutic-implications
#11
REVIEW
Kebing Zhou, Pingbo Yao, Jun He, Hong Zhao
Lipid autophagy (lipophagy) is defined as a selective autophagy process in which some intracellular lipid droplets are selectively degraded by autophagic lysosomes pathway. The occurrence of lipophagy was first discovered in liver tissues. Additionally, abundant evidence indicated that the occurrence of hepatic lipophagy has been implicated in many liver diseases including fatty liver diseases, nonalcoholic fatty liver diseases, liver fibrosis, and liver cirrhosis. However, recent studies suggested that hepatic lipophagy occurs not only in liver tissue but also in other nonliver tissues and cells...
December 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30536897/therapeutic-potential-of-nvp-bkm120-in-human-osteosarcomas-cells
#12
Alberto Bavelloni, Enrico Focaccia, Manuela Piazzi, Arianna Orsini, Giulia Ramazzotti, Lucio Cocco, William Blalock, Irene Faenza
Osteosarcoma (OS) is the most common pediatric malignant neoplasia of the skeletal system. It is characterized by a high degree of malignancy and a severe tendency to metastasize. In the past decade, many studies have provided evidence that the phosphoinositide 3-kinase (PI3K) signaling pathway is one of the most frequently altered pathways in human cancer, and has a critical role in driving tumor initiation and progression. Here, we have analyzed the therapeutic potential of the pan-PI3K inhibitor NVP-BKM120, which has recently entered clinical Phase II for treatment of PI3K-dependent cancers on three OS cell lines...
December 7, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30535507/microrna%C3%A2-98-pten-akt-pathway-inhibits-cell-proliferation-and-malignant-progression-of-hypopharyngeal-carcinoma-by-mtdh
#13
Qiwei Wang, Lijun Tan, Jiangtao Liu, Jiannan Zhao, Xiaojie Zhou, Tianjiao Yu
Laryngeal carcinoma is one of the most common tumors concerning otorhinolaryngology head and neck surgery, however, the pathogenesis of laryngeal carcinoma remains unclear. MicroRNAs (miRNAs) have been reported to play vital roles in the pathogenesis of laryngeal carcinoma Herein, the present study was designed to explore the function and mechanism of miRNA‑98 in hypopharyngeal carcinoma. In brief, qRT‑PCR, MTT assay, western blot analysis, Transwell assay and luciferase reporter assay were performed. Based on the results, miRNA‑98 expression was downregulated in patients with hypopharyngeal carcinoma...
December 6, 2018: Oncology Reports
https://www.readbyqxmd.com/read/30535454/cd38-affects-the-biological-behavior-and-energy-metabolism-of-nasopharyngeal-carcinoma-cells
#14
Yanshan Ge, Yuehua Long, Songshu Xiao, Lin Liang, Zhengxi He, Chunxue Yue, Xiong Wei, Yanhong Zhou
Nasopharyngeal carcinoma (NPC) is the most common malignant tumor type in Southern China and South‑East Asia. Cluster of differentiation (CD)38 is highly expressed in the human immune system and participates in the activation of T, natural killer and plasma cells mediated by CD2 and CD3 through synergistic action. CD38 is a type II transmembrane glycoprotein, which was observed to mediate diverse activities, including signal transduction, cell adhesion and cyclic ADP‑ribose synthesis. However, the significance of CD38 in NPC biological behavior and cellular energy metabolism has not been examined...
December 3, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/30535449/cyr61-decreases-cytarabine-chemosensitivity-in-acute-lymphoblastic-leukemia-cells-via-nf-%C3%AE%C2%BAb-pathway-activation
#15
Yingping Cao, Conglian Wu, Yanfang Song, Zhen Lin, Yanli Kang, Pingxia Lu, Chenqing Zhang, Qinghua Huang, Taisen Hao, Xianjin Zhu, Jianda Hu
Elevated Cyr61 levels have been reported in various malignancies. Elevation of Cyr61 protein levels contributes to the proliferation, metastasis, and chemotherapy resistance of malignant cells. Previously, it was discovered that Cyr61 is elevated in both the plasma and the bone marrow supernatants of patients with acute lymphoblastic leukemia (ALL), promoting ALL cell survival. However, the role of Cyr61 in the chemotherapeutic resistance of ALL cells remains unknown. The aim of the current study was to investigate the role of Cyr61 in regulating ALL cell chemosensitivity to Ara‑C...
December 6, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/30535441/lincrna%C3%A2-p21-inhibits-the-progression-of-non%C3%A2-small-cell-lung-cancer-via-targeting-mir%C3%A2-17%C3%A2-5p
#16
Xiang Ao, Ming Jiang, Jie Zhou, Hongling Liang, Haoming Xia, Gang Chen
Non‑small‑cell lung cancer (NSCLC) is well established as one of the major subtypes of human lung cancer. NSCLC is characterized by a high incidence rate and poor patient prognosis. Previous studies have identified that long intergenic non-coding RNA (lincRNA) serves a key role in the development of tumor and malignant metastasis. However, the majority of the underlying mechanisms for lincRNA deregulation in various diseases, including cancer and diabetes, have not been completely elucidated. In the present study, the deregulation of lincRNA‑p21 in NSCLC tumor tissues in comparison to adjacent healthy tissues was examined using reverse transcription‑quantitative polymerase chain reaction...
November 30, 2018: Oncology Reports
https://www.readbyqxmd.com/read/30535429/overexpressed-plagl2-transcriptionally-activates-wnt6-and-promotes-cancer-development-in-colorectal-cancer
#17
Nanpeng Li, Daojiang Li, Yuheng Du, Chen Su, Chunxing Yang, Changwei Lin, Xiaorong Li, Gui Hu
Researchers hold the view that PLAGL2 is overexpressed in many malignancies and that it can promote tumor proliferation, migration, invasion and self‑renewal; however, there is no evidence revealing a relationship between PLAGL2 and colorectal cancer (CRC). In the present study, genes that are overexpressed in CRC were screened using the COSMIC database and GEPIA database and the expression of PLAGL2 in carcinoma tissues and pericarcinomatous tissues was detected by RT‑qPCR and western blot assays. A Cell Counting Kit‑8 assay, a cell cycle analysis experiment and a xenograft model were used to explore the influence of PLAGL2 on CRC after knocking down PLAGL2 expression in HCT116 and SW480 cells...
December 7, 2018: Oncology Reports
https://www.readbyqxmd.com/read/30534536/rab31-targeted-by-mir-30c-2-3p-regulates-the-gli1-signaling-pathway-affecting-gastric-cancer-cell-proliferation-and-apoptosis
#18
Chao-Tao Tang, Qian Liang, Li Yang, Xiao-Lu Lin, Shan Wu, Yong Chen, Xin-Tian Zhang, Yun-Jie Gao, Zhi-Zheng Ge
Background: Gastric cancer (GC), one of the most common cancers worldwide, is highly malignant and fatal. Ras-related protein in brain 31 (RAB31), a member of the RAB family of oncogenes, participates in the process of carcinogenesis and cancer development; however, its role in GC progression is unknown. Methods: In our study, 90 pairs of tissue microarrays were used to measure the levels of RAB31 protein by immunochemistry, and 22 pairs of fresh tissue were used to measure the levels of RAB31 mRNA by quantitative PCR...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/30534535/the-notch-pathway-and-its-mutations-in-mature-b-cell-malignancies
#19
REVIEW
Francesca Arruga, Tiziana Vaisitti, Silvia Deaglio
The systematic application of next-generation sequencing to large cohorts of oncologic samples has opened a Pandora's box full of known and novel genetic lesions implicated in different steps of cancer development and progression. Narrowing down to B cell malignancies, many previously unrecognized genes emerged as recurrently mutated. The challenge now is to determine how the mutation in a given gene affects the biology of the disease, paving the way to functional genomics studies. Mutations in NOTCH family members are shared by several disorders of the B series, even if with variable frequencies and mutational patterns...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/30533316/identification-of-key-candidate-genes-and-biological-pathways-in-bladder-cancer
#20
Xin Gao, Yinyi Chen, Mei Chen, Shunlan Wang, Xiaohong Wen, Shufang Zhang
Background: Bladder cancer is a malignant tumor in the urinary system with high mortality and recurrence rates. However, the causes and recurrence mechanism of bladder cancer are not fully understood. In this study, we used integrated bioinformatics to screen for key genes associated with the development of bladder cancer and reveal their potential molecular mechanisms. Methods: The GSE7476, GSE13507, GSE37815 and GSE65635 expression profiles were downloaded from the Gene Expression Omnibus database, and these datasets contain 304 tissue samples, including 81 normal bladder tissue samples and 223 bladder cancer samples...
2018: PeerJ
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