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https://www.readbyqxmd.com/read/29228520/the-significance-of-trop2-expression-in-predicting-braf-mutations-in-papillary-thyroid-carcinoma
#1
Joon Seog Kong, Hyeon Jin Kim, Min-Jung Kim, Areumnuri Kim, Dalnim Lee, Kanghee Han, Sunhoo Park, Jae Soo Koh, Jae Kyung Myung
Background: Trophoblast antigen 2 (TROP2) is a human trophoblast cell-surface glycoprotein that is overexpressed in several types of epithelial cancers, and is suggested to be associated with an unfavorable prognosis. BRAF mutations are the most common genetic alteration in papillary thyroid carcinoma (PTC). We evaluated the correlation between TROP2 expression and BRAF mutation in PTC. Methods: First, we carried out pyrosequencing for BRAF mutations and immunohistochemistry for TROP2 expression with a tissue microarray consisting of 52 PTC cases...
December 11, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29228452/establishment-and-analysis-of-the-prediction-model-for-cervical-squamous-cell-carcinoma
#2
Y-H Zhou, W-F Fan, J Deng, H-L Xi
OBJECTIVE: This study aimed to construct a prediction model for cervical squamous cell carcinoma and evaluate its accuracy in diagnosing cervical squamous cell carcinoma. PATIENTS AND METHODS: Fifty patients with initially histopathologically confirmed cervical squamous cell carcinoma and 150 patients with initially histopathologically confirmed cervical intraepithelial neoplasia (CIN) were enrolled. The high-risk human papillomavirus (HR-HPV) infection, human telomerase mRNA component (hTERC) gene and cell-myc (c-myc) gene amplification, and minichromosome maintenance protein 5 (MCM5) protein expression were detected...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228422/microrna-582-5p-suppressed-gastric-cancer-cell-proliferation-via-targeting-akt3
#3
Y Jin, L-P Tao, S-C Yao, Q-K Huang, Z-F Chen, Y-J Sun, S-Q Jin
OBJECTIVE: To dissect the functioning mode of miR-582-5p on gastric cancer cell growth and provide therapeutic targets for gastric cancer. PATIENTS AND METHODS: Relative expression levels of miR-582-5p in human gastric cancer tissue samples and gastric cancer-derived cell lines were measured by using quantitative Real-time PCR. Cell proliferation and viability capacities were assessed by cell counting kit-8 (CCK8) assay and colony formation assay. Cell apoptosis and cell cycle distribution were identified by flow cytometry...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228420/knockdown-of-long-noncoding-rna-linc-itgb1-suppresses-migration-invasion-of-hepatocellular-carcinoma-via-regulating-zeb1
#4
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/29228419/expression-and-clinical-significance-of-long-non-coding-rna-ghet1-in-pancreatic-cancer
#5
H-Y Zhou, H Zhu, X-Y Wu, X-D Chen, Z-G Qiao, X Ling, X-M Yao, J-H Tang
OBJECTIVE: To investigate the expression level and biological function of long non-coding RNA gastric carcinoma high expressed transcript 1 (lncRNA-GHET1) in pancreatic ductal adenocarcinoma (pancreatic cancer for short), to analyze the correlation between the expression of GHET1 and clinicopathological features and to explore the role and clinical significance of GHET1 in the development and progression of pancreatic cancer. PATIENTS AND METHODS: The relative expression of GHET1 in 5 human pancreatic cancer cell lines was detected by quantitative Real-time polymerase chain reaction (qRT-PCR)...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228320/overexpression-of-zrf1-is-related-to-tumor-malignant-potential-and-a-poor-outcome-of-gastric-carcinoma
#6
Taisuke Imamura, Shuhei Komatsu, Daisuke Ichikawa, Mahito Miyamae, Wataru Okajima, Takuma Ohashi, Jun Kiuchi, Keiji Nishibeppu, Toshiyuki Kosuga, Hirotaka Konishi, Atsushi Shiozaki, Hitoshi Fujiwara, Kazuma Okamoto, Hitoshi Tsuda, Eigo Otsuji
Zuotin-related factor 1 (ZRF1) is a recently characterized epigenetic factor involved in transcriptional regulation and is highly overexpressed in several malignancies, but it is not known whether it plays a role in gastric cancer (GC). In this study, we investigated whether ZRF1 acts as a cancer-promoting gene through its activation/overexpression in GC. We analyzed five GC cell lines and 133 primary tumors, which had been curatively resected in our hospital between 2001 and 2003. Overexpression of ZRF1 was detected in GC cell lines (four out of five lines, 80...
December 6, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29228308/rxr%C3%AE-enriched-cancer-stem-cell-like-properties-triggered-by-cddp-in-head-and-neck-squamous-cell-carcinoma-hnscc
#7
Pan Jiang, Chaoqi Xu, Ming Zhou, Huaqun Zhou, Weida Dong, Xiaoyue Wu, Aochang Chen, Qing Feng
Retinoid X receptor-α (RXRα) is a kind of nuclear receptor and is a target of cancer prevention and treatment in various types of cancers. Cancer stem cells (CSCs) are regarded as the main cause of carcinoma metastasis, tumor recurrence and chemotherapy resistance. So far, the mechanism how RXRα regulates CSCs remains unknown. In the present study, we found that RXRα was up-regulated in head and neck squamous cell carcinoma (HNSCC) tissues and the enriched HNSCC cancer stem cells. Over-expression of RXRα was able to expand the CSC-like properties in HNSCC cells, while knockdown of RXRα could repress the stemness respectively...
December 6, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29228305/familial-cancer-clustering-in-urothelial-cancer-a-population-based-case-control-study
#8
Christopher Martin, Claire L Leiser, Brock O'Neil, Sumati Gupta, William T Lowrance, Wendy Kohlmann, Samantha Greenberg, Piyush Pathak, Ken R Smith, Heidi A Hanson
Background: Family history of bladder cancer confers an increased risk for concordant and discordant cancers in relatives. However, previous studies investigating this relationship lack any correction for smoking status of family members. We conducted a population-based study of cancer risks in relatives of bladder cancer patients and matched controls with exclusion of variant subtypes to improve the understanding of familial cancer clustering. Methods: Case subjects with urothelial carcinoma were identified using the Utah Cancer Registry and matched 1:5 to cancer-free controls from the Utah Population Database...
December 8, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29228217/p19arf-inhibits-aggressive-progression-of-h-ras-driven-hepatocellular-carcinoma
#9
Dragana Kopanja, Akshay Pandey, Shuo Huang, Mohamed Rizwan Haroon Al Raheed, Grace Guzman, Pradip Raychaudhuri
Arf, a well-established tumor suppressor, is either mutated or downregulated in a wide array of cancers. However, its role in hepatocellular carcinoma (HCC) progression is controversial. Conflicting observations have been published regarding its expression in HCC. In this study, we provide clear genetic evidence demonstrating a protective role of p19Arf in hepatocarcinogenesis. Using Ras-induced mouse model, we show that p19Arf deficiency accelerates progression of aggressive HCC in vivo. To investigate the role of p14ARF in human liver cancers, we analyzed its expression in human HCC using immunohistochemistry...
December 8, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29228166/long-term-results-of-concurrent-chemoradiotherapy-with-daily-low-dose-continuous-infusion-of-5-fluorouracil-and-cisplatin-ldfp-for-stage-i-ii-esophageal-carcinoma
#10
A Kumabe, J Fukada, R Kota, N Koike, Y Shiraishi, S Seki, K Yoshida, Y Kitagawa, N Shigematsu
We investigated long-term treatment outcomes and the feasibility of chemoradiotherapy consisting of daily-low-dose 5-fluorouracil and cisplatin (LDFP) chemotherapy plus radiotherapy for Stage I-II squamous cell esophageal cancer. Treatment records from the 2000 through 2008 period were reviewed retrospectively. Fractionated radiotherapy was performed with a total dose of 60 Gy delivered in 2 Gy per fraction. LDFP chemotherapy, as continuous infusion of 200 mg/m2 5-fluorouracil combined with one hour infusion of 4 mg/m2 cisplatin, was administered on the same days as radiotherapy...
December 8, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29227998/the-value-of-squamous-cell-carcinoma-antigen-scca-to-determine-the-lymph-nodal-metastasis-in-cervical-cancer-a-meta-analysis-and-literature-review
#11
Ziqi Zhou, Wenbo Li, Fuquan Zhang, Ke Hu
BACKGROUND: The diagnostic power of CT or MRI on the lymph node status was limited. Supplement measurements were needed to assist the diagnosis of lymph node metastasis. The SCCa was reported to be close related to lymph node status. But currently the clinical value of serum SCCa measurement in lymph node status has not been clearly defined. This meta-analysis was to investigate this topic on a large scale. METHOD: Searching the Pubmed, Embase, Cochrane library, CNKI and Wanfang database for SCC-Ag/SCCA/SCC-antigen and cervical cancer/tumor/carcinoma/neoplasm published in any language from Jan 1 1990 to Aug 1 2017...
2017: PloS One
https://www.readbyqxmd.com/read/29227754/genetic-variant-in-mir-124-decreased-the-susceptibility-to-esophageal-squamous-cell-carcinoma-in-a-chinese-kazakh-population
#12
Fei Wu, Mei Li, Weiyan You, Yu Ji, Xiaobin Cui, Jianming Hu, Yunzhao Chen, Lijuan Pang, Shugang Li, Yutao Wei, Lan Yang, Feng Li
AIMS: Esophageal squamous cell carcinoma (ESCC) is characterized by high prevalence and mortality worldwide, and it is very highly prevalent in China. ESCC is caused by various factors, including microRNAs (miRNAs) whose expression have been shown to play a major role in tumor generation. Single nucleotide polymorphisms (SNPs) in miRNAs could affect susceptibility to numerous cancers. This study aimed to evaluate the relationship between SNPs in miR-124 and ESCC risk in the Chinese Kazakh population...
December 11, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29227715/human-papillomavirus-genome-integration-and-head-and-neck-cancer
#13
L M Pinatti, H M Walline, T E Carey
We conducted a critical review of human papillomavirus (HPV) integration into the host genome in oral/oropharyngeal cancer, reviewed the literature for HPV-induced cancers, and obtained current data for HPV-related oral and oropharyngeal cancers. In addition, we performed studies to identify HPV integration sites and the relationship of integration to viral-host fusion transcripts and whether integration is required for HPV-associated oncogenesis. Viral integration of HPV into the host genome is not required for the viral life cycle and might not be necessary for cellular transformation, yet HPV integration is frequently reported in cervical and head and neck cancer specimens...
December 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29227586/identification-of-potential-crucial-genes-associated-with-carcinogenesis-of-clear-cell-renal-cell-carcinoma
#14
Erlin Song, Wenting Song, Minghua Ren, Li Xing, Wenjun Ni, Yongxiang Li, Mancheng Gong, Mingbo Zhao, Xin Ma, Xu Zhang, Ruihua An
Clear cell renal cell carcinoma (ccRCC) is a common genitourinary malignancy with high mortality. However, the molecular pathogenesis of ccRCC remains unclear and effective biomarkers for daily practice are still limited. Thus, we aimed to identify the potential crucial genes and pathways associated with carcinogenesis of ccRCC and further analyze the molecular mechanisms implicated in tumorigenesis. In the present study, expression profiles GSE 66270, GSE 53757, GSE 36895 and GSE 76351 were downloaded from GEO database, including 244 matched primary and adjacent normal tissues, furthermore, the level 3 RNAseq dataset (RNAseqV2 RSEM) of KIRC was also downloaded from The Cancer Genome Atlas (TCGA), which consist of 529 ccRCC tumors and 72 normal tissues...
December 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29227548/resistance-of-oral-cancer-cells-to-5-ala-mediated-photodynamic-therapy
#15
Flávia Cristina Perillo Rosin, Marina Gabriela Teixeira, Cibele Pelissari, Luciana Corrêa
Photodynamic therapy (PDT) has been indicated for oral squamous cell carcinoma (OSCC) at early stages. Chemo and radio-resistance are frequently observed in OSCC, but it is unknown whether this tumor can develop resistance to PDT. It was investigated the process of acquiring resistance to multiple cycles of PDT by using OSCC cells. We also analyzed the expression of anti-apoptotic proteins and those related to Akt/mTOR pathway. Sub-lethal doses of PDT were applied, consisting of a constant concentration of 5-aminolevulinic acid (5-ALA) (1 mM, 4-hour incubation) and increasing irradiation dose with LED (from 5...
December 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29227545/overexpression-of-sirt6-is-a-novel-biomarker-of-malignant-human-colon-carcinoma
#16
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/29227538/abberent-expression-of-nor1-protein-in-tumor-associated-macrophages-contributes-to-the-development-of-den-induced-hepatocellular-carcinoma
#17
Shengnan Chen, Pan Zheng, Wei Wang, Mei Yi, Pan Chen, Jing Cai, Junjun Li, Qian Peng, Yuanyuan Ban, Ying Zhou, Zhaoyang Zeng, Xiaoling Li, Wei Xiong, Guiyuan Li, Bo Xiang
Hepatocellular carcinoma (HCC) is the most common primary tumor of the liver and the sixth most common lethal cancer worldwide. Recent evidences demonstrated that oxidored nitro domain containing protein 1(NOR1), a putative tumor suppressor gene, is overexpressed in human HCC tissues. However, the role of NOR1 in HCC development remains unclear. Here, we described that NOR1 protein level is elevated in HCC and is associated with poorer clinical outcome. However, ecotopic overexpression of NOR1 protein in human HCC cell line HepG2 cells had no effect on cells proliferation, migration and clonality...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29227532/lncrna-xist-functions-as-a-molecular-sponge-of-mir-194-5p-to-regulate-mapk1-expression-in-hepatocellular-carcinoma-cell
#18
Qinglei Kong, Shaoquan Zhang, Caiqian Liang, Ying Zhang, Qingcong Kong, Shuxian Chen, Jie Qin, Yi Jin
Increasing evidence highlights the important role of XIST, a long non-coding RNA (lncRNA), in the regulation of multiple cancers. However, the underlying mechanism of XIST in human hepatocellular carcinoma (HCC) still remains to be explored. Herein, intended to investigate the functional role of XIST in HCC initiation and progression. We first detected that XIST was significantly upregulated in HCC tissues and associated with tumor size and vascular invasion. Gain- and loss-of-function of XIST further presented that XIST promoted the progression of HCC cells, including proliferation, migration, and invasion...
December 11, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29227119/-molecular-pathology-of-lung-cancer-in-routine-diagnostic-practice-2017-update
#19
Radoslav Matěj, Zdeněk Rohan, Kristýna Němejcová, Pavel Dundr
The group of non-small cell lung carcinomas includes tumors that are variable at the clinical, histopathological and molecular levels. Advances in the understanding of molecular pathology of lung adenocarcinomas in particular led to changes in their histopathological classification and treatment. Patients diagnosed with lung adenocarcinoma harboring specific mutations benefit from the administration of specific targeted therapy. Analysis of EGFR gene mutations and ALK rearrangement in lung adenocarcinomas are already routinely performed and are closely related to the indication for the administration of tyrosinkinase inhibitors...
2017: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/29227110/itraq-quantitative-proteomic-profiling-and-maldi-msi-of-colon-cancer-spheroids-treated-with-combination-chemotherapies-in-a-3d-printed-fluidic-device
#20
Gabriel J LaBonia, Katelyn R Ludwig, C Bruce Mousseau, Amanda B Hummon
For a patient with metastatic colorectal cancer there are limited clinical options aside from chemotherapy. Unfortunately, the development of new chemotherapeutics is a long and costly process. New methods are needed to identify promising drug candidates earlier in the drug development process. Most chemotherapies are administered to patients in combinations. Here, an in vitro platform is used to assess the penetration and metabolism of combination chemotherapies in three-dimensional colon cancer cell cultures, or spheroids...
December 11, 2017: Analytical Chemistry
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