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https://www.readbyqxmd.com/read/28723712/the-role-of-oncogenic-hpv-determination-for-diagnosis-of-high-grade-anal-intraepithelial-neoplasia-in-hiv-infected-msm
#1
Joaquin Burgos, J Hernández-Losa, S Landolfi, A Guelar, Mªc Dinares, J Villar, J Navarro, E Ribera, V Falcó, A Curran
OBJECTIVE: To assess the oncogenic human papillomavirus (HPV) determination and the co-testing HPV and anal cytology value to detect high-grade anal intraepithelial neoplasia (HGAIN) in a cohort of HIV-MSM. DESIGN AND METHODS: Prospective study of HIV-infected MSM who underwent screening for anal dysplasia. Screening program includes anal cytology, HPV testing, and high-resolution anoscopy (HRA) at each visit. Histological samples were obtained if suspicious lesions were revealed by HRA...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28723640/trim22-confers-poor-prognosis-and-promotes-epithelial-mesenchymal-transition-through-regulation-of-akt-gsk3%C3%AE-%C3%AE-catenin-signaling-in-non-small-cell-lung-cancer
#2
Li Liu, Xiao-Ming Zhou, Fang-Fei Yang, Yuan Miao, Yan Yin, Xue-Jun Hu, Gang Hou, Qiu-Yue Wang, Jian Kang
Expression pattern and biological roles of TRIM22 remains unknown in most human cancers. The present study aims to discover its clinical significance and function in human non-small cell lung cancer (NSCLC). Immunohistochemistry was used to examine TRIM22 expression in 126 cases of NSCLC specimens. TRIM22 protein was upregulated in 70/126 (55.6%) non-small cell lung cancer tissues compared with normal lung tissue. TRIM22 overexpression was associated with advanced TNM stage, positive nodal metastasis and poor prognosis...
July 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722813/knockdown-of-long-non-coding-rna-malat1-inhibits-growth-and-motility-of-human-hepatoma-cells-via-modulation-of-mir-195
#3
Dingli Liu, Yun Zhu, Jinke Pang, Xie Weng, Xiaorong Feng, Yabing Guo
The metastasis-associated lung adenocarcinoma transcription 1 (Malat1) is a long non-coding RNA (lncRNA), exerts oncogenic role in multiple cancers, including hepatocellular carcinoma (HCC). This study was aimed to investigate its posttranscriptional regulation in HCC cells. RT-PCR was performed to monitor the expression levels of Malat1 in normal liver and HCC cell lines. The expression of Malat1, microRNA (miR)-195 and epidermal growth factor receptor (EGFR) in HepG2 and MHCC97 cells was respectively or synchronously altered by transfection...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722786/oncogenic-transformation-of-lung-cells-results-in-distinct-exosome-protein-profile-similar-to-the-cell-of-origin
#4
Richard J Lobb, Marcus L Hastie, Emma L Norris, Rosa van Amerongen, Jeffrey J Gorman, Andreas Möller
Lung cancer is responsible for the highest rate of cancer mortality worldwide. Lung cancer patients are often ineligible for tumour biopsies due to co-morbidities. As a result, patients may not have the most effective treatment regimens administered. Patients with mutations in the epidermal growth factor receptor (EGFR) have improved survival in response to EGFR tyrosine kinase inhibitors (TKIs). A non-invasive method of determining EGFR mutations in patients would have promising clinical applications. Exosomes have the potential to be non-invasive novel diagnostic markers in cancer...
July 19, 2017: Proteomics
https://www.readbyqxmd.com/read/28722677/prognostic-role-of-gli1-expression-in-breast-cancer-a-meta-analysis
#5
Bilan Wang, Ting Yu, Yuzhu Hu, Mengmeng Xiang, Haoning Peng, Yunzhu Lin, Lu Han, Lingli Zhang
Glioma-associated oncogene 1 (Gli1) is a critical transcriptional factor of Sonic hedgehog pathway which has been proved to participate in the initiation and progression of tumor in mammalians. However, its clinical value in breast cancer remains unknown. Thus, a meta-analysis was performed to clarify the association of Gli1 over-expression, clinic-pathological characteristics, molecular subtypes and prognosis in breast cancer. According to included criteria, 13 eligible studies containing 2816 patients all around the world were selected in this study...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722660/glypican-3-induces-oncogenicity-by-preventing-igf-1r-degradation-a-process-that-can-be-blocked-by-grb10
#6
Wei Cheng, Po-Chun Huang, Hsiao-Mei Chao, Yung-Ming Jeng, Hey-Chi Hsu, Hung-Wei Pan, Wuh-Liang Hwu, Yu-May Lee
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is a major cause of cancer-related death worldwide. Previously, we demonstrated that glypican-3 (GPC3) is highly expressed in HCC, and that GPC3 induces oncogenicity and promotes the growth of cancer cells through IGF-1 receptor (IGF-1R). In the present study, we investigated the mechanisms of GPC3-mediated enhancement of IGF-1R signaling. We demonstrated that GPC3 decreased IGF-1-induced IGF-1R ubiquitination and degradation and increased c-Myc protein levels...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722124/pancreatic-undifferentiated-carcinoma-with-osteoclast-like-giant-cells-is-genetically-similar-to-but-clinically-distinct-from-conventional-ductal-adenocarcinoma
#7
Claudio Luchini, Antonio Pea, Gemma Lionheart, Andrea Mafficini, Alessia Nottegar, Nicola Veronese, Peter Chianchiano, Lodewijk A A Brosens, Michaël Noë, G Johan A Offerhaus, Raluca Yonescu, Yi Ning, Giuseppe Malleo, Giulio Riva, Paola Piccoli, Ivana Cataldo, Paola Capelli, Giuseppe Zamboni, Aldo Scarpa, Laura D Wood
Undifferentiated carcinoma of the pancreas with osteoclast-like giant cells (UCOGC) is currently considered a morphologically and clinically distinct variant of pancreatic ductal adenocarcinoma (PDAC). In this study, we report clinical and pathological features of a series of 22 UCOGC, including the whole exome sequencing of 8 UCOGC. We observed that 60% of the UCOGC contained a well-defined epithelial component and that patients with pure UCOGC had a significantly better prognosis than did those with an UCOGC with an associated epithelial neoplasm...
July 19, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28721912/exosomes-and-exosomal-micrornas-in-prostate-cancer-radiation-therapy
#8
REVIEW
Bijaya Malla, Kathrin Zaugg, Erik Vassella, Daniel M Aebersold, Alan Dal Pra
Despite current risk stratification systems using traditional clinicopathologic factors, many localized and locally advanced prostate cancers fail radical treatment (ie, radical prostatectomy, radiation therapy with or without androgen deprivation therapy). Therefore, a pressing need exists for enhanced methods of disease stratification through novel prognostic and predictive tools that can reliably be applied in clinical practice. Exosomes are 50- to 150-nm small vesicles released by cancer cells that reflect the genetic and nongenetic materials of parent cancer cells...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721828/mir-149-as-a-potential-molecular-target-for-cancer
#9
Suet Hui Ow, Pei Jou Chua, Boon Huat Bay
MicroRNAs (miRNAs) are small, non-coding nucleotides that regulate the expression of proteins. They play major roles in fundamental cellular processes. Aberrant expression of miRNAs has been frequently detected in cancers. miR-149 has been implicated in tumor progression by regulating cellular proliferation, migration, invasion, epithelial-mesenchymal-transition and chemoresistance. There have been reports that miR-149 can function both as an oncogene or tumor suppressor, depending on the type of cancer, thereby giving rise to the possibility of utilizing miR-149 mimics and inhibitors for cancer therapy...
July 18, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28720764/high-expression-of-abcg2-induced-by-ezh2-disruption-plays-pivotal-roles-in-mds-pathogenesis
#10
Kimihito C Kawabata, Yasutaka Hayashi, Daichi Inoue, Hiroko Meguro, Hiroko Sakurai, Tomofusa Fukuyama, Yosuke Tanaka, Shuhei Asada, Tsuyoshi Fukushima, Reina Nagase, Reina Takeda, Yuka Harada, Jiro Kitaura, Susumu Goyama, Hironori Harada, Hiroyuki Aburatani, Toshio Kitamura
Both proto-oncogenic and tumor-suppressive functions have been reported for EZH2. To investigate the effects of its inactivation, a mutant EZH2 lacking its catalytic domain was prepared (EZH2-dSET). In a mouse bone marrow transplant (BMT) model, EZH2-dSET expression in bone marrow cells (BMCs) induced an MDS-like disease in transplanted mice. Analysis of these mice identified Abcg2 as a direct target of EZH2. Intriguingly, Abcg2 expression alone induced the same disease in the transplanted mice, where stemness genes were enriched...
July 19, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28720669/muc1-mediated-metabolic-alterations-regulate-response-to-radiotherapy-in-pancreatic-cancer
#11
Venugopal Gunda, Joshua J Souchek, Jaime Abrego, Surendra K Shukla, Gennifer D Goode, Enza Vernucci, Aneesha Dasgupta, Nina CHaika, Ryan J King, Sicong Li, Shuo Wang, Fang Yu, Tadayoshi Bessho, Chi Lin, Pankaj K Singh
Purpose: MUC1, an oncogene overexpressed in multiple solid tumors including pancreatic cancer, reduces overall survival and imparts resistance to radiation and chemotherapies. We previously identified that MUC1 facilitates growth promoting metabolic alterations in pancreatic cancer cells. The present study investigates the role of MUC1-mediated metabolism in radiation resistance of pancreatic cancer by utilizing cell lines and in vivo models. <p>Experimental design: We used MUC1 knockdown and overexpressed cell line models for evaluating the role of MUC1-mediated metabolism in radiation resistance through in vitro cytotoxicity, clonogenicity, DNA damage response and metabolomic evaluations...
July 18, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28720588/ews-fli-is-a-master-regulator-of-metabolic-reprogramming-in-ewing-sarcoma
#12
Jason M Tanner, Claire Bensard, Peng Wei, Nathan M Krah, John C Schell, Jamie D Gardiner, Joshua D Schiffman, Stephen L Lessnick, Jared Rutter
Ewing sarcoma is a bone malignancy driven by a translocation event resulting in the fusion protein EWS/FLI1 (EF). EF functions as an aberrant and oncogenic transcription factor that misregulates the expression of thousands of genes. Previous work has focused principally on determining important transcriptional targets of EF, as well as characterizing important regulatory partnerships in EF-dependent transcriptional programs. Less is known, however, about EF-dependent metabolic changes or their role in Ewing sarcoma biology...
July 18, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28720443/squamous-intraepithelial-lesions-of-the-anal-squamocolumnar-junction-histopathological-classification-and-hpv-genotyping
#13
Omar Clavero, Jenny McCloskey, Vicente Marco Molina, Beatriz Quirós, Ignacio G Bravo, Silvia de Sanjosé, F Xavier Bosch, Ville N Pimenoff
BACKGROUND: Human papillomavirus (HPV)-related anal cancer lesions are often found adjacent to the squamocolumnar junction (SCJ). We have assessed the histopathology and associated HPV genotypes in anal SCJ lesions in surgically excised anal warts in HIV-negative and -positive patients. METHODS: Histopathology identified 47 squamous intraepithelial lesions (SILs) adjacent to the SCJ amongst a total of 145 cases of clinically diagnosed anal condylomata. The anal SCJ lesions were further analyzed with p16, CK7 and p63 immunohistochemistry and HPV genotyping...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28720430/oncogenic-pathways-that-affect-antitumor-immune-response-and-immune-checkpoint-blockade-therapy
#14
REVIEW
Xianda Zhao, Subbaya Subramanian
Mechanistic insights of cancer immunology have led to the development of immune checkpoint blockade therapy (ICBT), which has elicited a remarkable clinical response in some cancer patients. Increasing evidence suggests that activation of oncogenic pathways, such as RAS/RAF/MAPK and PI3K signaling, impairs the antitumor immune response. Such oncogenic signaling, in turn, activates many inhibitory factors, including expression of immune checkpoint genes-allowing active infiltration of immunosuppressive cells into the tumor environment and inducing resistance against T-cell killing...
July 15, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28720111/lncrna-snhg15-contributes-to-proliferation-invasion-and-autophagy-in-osteosarcoma-cells-by-sponging-mir-141
#15
Ke Liu, Yi Hou, Yunke Liu, Jia Zheng
BACKGROUND: LncRNA small nucleolar RNA host gene 15 (SNHG15) was reported to play an oncogenic role in tumors. However, the role of SNHG15 and its molecular mechanism in osteosarcoma (OS) cells are largely unknown. METHODS: qRT-PCR was performed to evaluate the expression levels of SNHG15 and miR-141 in OS tissues and cells. Cell transfection with different siRNAs, miRNAs or pcDNAs into U2OS and MG63 cells were carried out by Lipofectamine 2000. The effects of SNHG15 and miR-141 on OS cell proliferation, invasion and the levels of autophagy-related proteins were analyzed by MTT assay, Transwell invasion/migration assay and western blot, respectively...
July 18, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28720065/microrna-139-5p-inhibits-bladder-cancer-proliferation-and-self-renewal-by-targeting-the-bmi1-oncogene
#16
Hongbo Luo, Rui Yang, Chun Li, Yongqing Tong, Lingling Fan, Xiuheng Liu, Chuanrui Xu
MiR-139-5p has been reported to be overexpressed in many types of cancers, but its role in bladder cancer has not been elucidated yet. Here, we report that miR-139-5p functions as a tumor suppressor in bladder cancer and inhibits the cancer stem cell self-renewal by targeting Bmi1 directly. We found that miR-139-5p expression was significantly downregulated in the bladder cancer specimens compared with that in adjacent normal tissues. In vitro, restoration of miR-139-5p expression significantly inhibited the proliferation of bladder cancer cells...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28720061/the-long-non-coding-rna-malat1-promotes-the-migration-and-invasion-of-hepatocellular-carcinoma-by-sponging-mir-204-and-releasing-sirt1
#17
Zhouhua Hou, Xuwen Xu, Ledu Zhou, Xiaoyu Fu, Shuhui Tao, Jiebin Zhou, Deming Tan, Shuiping Liu
Increasing evidence supports the significance of long non-coding RNA in cancer development. Several recent studies suggest the oncogenic activity of long non-coding RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in hepatocellular carcinoma. In this study, we explored the molecular mechanisms by which MALAT1 modulates hepatocellular carcinoma biological behaviors. We found that microRNA-204 was significantly downregulated in sh-MALAT1 HepG2 cell and 15 hepatocellular carcinoma tissues by quantitative real-time polymerase chain reaction analysis...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28720060/ppfia1-is-upregulated-in-liver-metastasis-of-breast-cancer-and-is-a-potential-poor-prognostic-indicator-of-metastatic-relapse
#18
Jing Yang, Ning-Ni Wu, De-Jia Huang, Yao-Chang Luo, Jun-Zhen Huang, Hai-Yuan He, Hai-Lin Lu, Wen-Ling Song
Although the oncogenic role of PPFIA1 (liprin-α1) in breast cancer has been reported, whether its dysregulation is associated with metastasis risk or survival outcomes in breast cancer patients is not clear. Our primary data showed that PPFIA1 expression was significantly higher in liver metastatic breast tumors than in the primary tumors. Then, we tried to pool previous annotated genomic data to assess the prognostic value of PPFIA1 in distant metastasis-free survival, the risk of metastatic relapse, and metastatic relapse-free survival in breast cancer patients by data mining in two large databases, Kaplan-Meier plotter and bc-GenExMiner 4...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719465/predictors-of-outcome-in-adenoid-cystic-carcinoma-of-salivary-glands-a-clinicopathologic-study-with-correlation-between-myb-fusion-and-protein-expression
#19
Bin Xu, Esther Drill, Allen Ho, Alan Ho, Lara Dunn, Carlos Nicolas Prieto-Granada, Timothy Chan, Ian Ganly, Ronald Ghossein, Nora Katabi
Adenoid cystic carcinoma (ACC) is the second most common salivary gland malignancy and it has a high rate of recurrences and a poor long-term prognosis. Our aim was to assess the prognostic factors in ACC and study MYB-NFIB fusion and MYB protein expression in a large retrospective cohort of 135 patients with a median follow-up of 6.3 years. The 5- and 10-year local recurrence-free survival (RFS) rate of 94% and 78%, 5- and 10-year distant metastasis survival rate of 77% and 58%, and 5- and 10-year RFS of 66% and 44%...
July 17, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28719348/trim59-is-a-key-regulator-of-growth-and-migration-inrenal-cell-carcinoma
#20
S-H Hu, M-J Zhao, W-X Wang, C-W Xu, G-D Wang
Renal cell carcinoma (RCC) is the most common renal neoplasms and metastatic is common. Previous data have shown that the tripartite motif (TRIM) family proteinswere implicated in human tumoriogenesis. In this study, we aimed to investigate the role of TRIM59 in the cell growth and migration in RCC. The expression of TRIM59 in human RCC tissues was initially examined by qRT-PCR. Alentivirus-based shRNA against TRIM59 (Lv-shTRIM59) was constructed. The effects of TRIM59 knockdown on cell proliferation were examined by in vitro MTT assay, colony formation assay and in vivo a mouse xenograft model of RCC...
May 20, 2017: Cellular and Molecular Biology
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