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Journal of Cancer

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https://www.readbyqxmd.com/read/28123609/low-incidence-along-with-low-mrna-levels-of-egfr-viii-in-prostate-and-colorectal-cancers-compared-to-glioblastoma
#1
Joanna Peciak, Wojciech J Stec, Cezary Treda, Magdalena Ksiazkiewicz, Karolina Janik, Marta Popeda, Maciej Smolarz, Kamila Rosiak, Krystyna Hulas-Bigoszewska, Waldemar Och, Piotr Rieske, Ewelina Stoczynska-Fidelus
Background: The presence as well as the potential role of EGFR(vIII) in tumors other than glioblastoma still remains a controversial subject with many contradictory data published. Previous analyses, however, did not consider the level of EGFR(vIII) mRNA expression in different tumor types. Methods: Appropriately designed protocol for Real-time quantitative reverse-transcription PCR (Real-time qRT-PCR) was applied to analyze EGFR(vIII) and EGFR(WT) mRNA expression in 155 tumor specimens. Additionally, Western Blot (WB) analysis was performed for selected samples...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123608/the-novel-pim1-inhibitor-nms-p645-reverses-pim1-dependent-effects-on-tmprss2-erg-positive-prostate-cancer-cells-and-shows-anti-proliferative-activity-in-combination-with-pi3k-inhibition
#2
Luca Mologni, Vera Magistroni, Francesco Casuscelli, Marisa Montemartini, Carlo Gambacorti-Passerini
PIM1 is over-expressed in multiple tumors, including prostate cancer (PCa). PIM1 upregulation is mediated by direct binding of the ERG transcription factor to its promoter. About 50% of PCa cases are characterized by the presence of the TMPRSS2/ERG fusion, leading to ERG over-expression and thus to PIM1 transcriptional activation. PIM kinases are considered as weak oncogenes, but when combined with additional genetic alterations can induce strong transforming effects. Here we show anti-proliferative activity of the newly described PIM1 inhibitor NMS-P645 in combination with the PI3K inhibitor GDC-0941 in TMPRSS2/ERG positive and negative PCa cells...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123607/proteins-involved-in-her2-signalling-pathway-their-relations-and-influence-on-metastasis-free-survival-in-her2-positive-breast-cancer-patients-treated-with-trastuzumab-in-adjuvant-setting
#3
Agnieszka Adamczyk, Aleksandra Grela-Wojewoda, Małgorzata Domagała-Haduch, Aleksandra Ambicka, Agnieszka Harazin-Lechowska, Anna Janecka, Ida Cedrych, Kaja Majchrzyk, Anna Kruczak, Janusz Ryś, Joanna Niemiec
AIM: Resistance to trastuzumab (which is a standard therapy for breast cancer patients with HER2 overexpression) is associated with higher risk of progression or cancer death, and might be related to activation of signalling cascades (PI3K/AKT/mTOR, Ras/Raf/MAPK) and decreased level of their inhibitors. MATERIAL AND METHODS: Formalin-fixed paraffin-embedded tumour specimens from 118 HER2-overexpressing breast cancer patients treated with radical local therapy and trastuzumab in adjuvant setting were used for the assessment of: (1) PIK3CA gene mutations (p...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123606/strong-correlation-of-indoleamine-2-3-dioxygenase-1-expression-with-basal-like-phenotype-and-increased-lymphocytic-infiltration-in-triple-negative-breast-cancer
#4
Sewha Kim, Sanghui Park, Min Sun Cho, Woosung Lim, Byung-In Moon, Sun Hee Sung
Indoleamine 2,3-dioxygenase 1 (IDO1) is an immunosuppressive enzyme involved in tumor immune escape. Blockade of the IDO1 pathway is an emerging modality of cancer immunotherapy. Triple-negative breast cancer (TNBC) lacks established therapeutic targets and may be a good candidate for this novel immunotherapeutic agent. The purpose of this study was to evaluate the clinicopathologic characteristics of the IDO1-expressing TNBC subset. A tissue microarray was constructed from 200 patients with TNBC. Immunohistochemistry (IHC) for IDO1 and TNBC molecular subtype-surrogate markers (AR, GCDFP-15, claudin-3, E-cadherin, CK5/6, and EGFR) was performed using this tissue microarray...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123605/worse-prognosis-in-papillary-compared-to-tubular-early-gastric-carcinoma
#5
Huiping Yu, Cheng Fang, Lin Chen, Jiong Shi, Xianshan Fan, Xiaoping Zou, Qin Huang
Purpose: Papillary early gastric carcinoma (EGC) is uncommon but shows worse prognosis in our most recent study in a Chinese population with unknown reasons. The aim of the present study was to further investigate risk factors for worse prognosis in patients with papillary adenocarcinoma, compared to those with tubular adenocarcinoma. Methods: We searched the electronic pathology databank for radical gastrectomy cases over an 8-year period at a single medical center in Nanjing, China, and identified consecutive 240 EGC cases that were classified as either papillary (n=59) or tubular (n=181) EGC tumors in accordance with the World Health Organization (WHO) gastric cancer diagnosis criteria...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123604/association-between-expression-of-carboxypeptidase-4-and-stem-cell-markers-and-their-clinical-significance-in-liver-cancer-development
#6
Lichao Sun, Chunguang Guo, Joseph Burnett, Jian Pan, Zhihua Yang, Yuliang Ran, Duxin Sun
The development of liver cancer would undergo a sequential progression from chronic inflammatory liver disease, cirrhosis to neoplasia. During these pathophysiological changes, abnormal liver microenvironment might induce the hepatocytes to die, abnormally proliferate and initiate cancer stem cells. Metallocarboxypeptidases (MCPs) involved in multiple biological functions including inflammation, fibrosis and stem cell niche formation. This study aimed to evaluate the expression of carboxypeptidase 4 (CPA4) in hepatitis, liver cirrhosis and liver cancer tissues, and revealed its clinical significance in liver cancer progression...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123603/clinical-significance-of-folate-receptor-positive-circulating-tumor-cells-detected-by-ligand-targeted-polymerase-chain-reaction-in-lung-cancer
#7
Lin Wang, Chuanyong Wu, Lihua Qiao, Wenjun Yu, Qiaomei Guo, Mingna Zhao, Guohua Yang, Hang Zhao, Jiatao Lou
Background: As the heterogeneity of CTCs is becoming increasingly better understood, it is clear that identifying particular subtypes of CTCs would be more relevant. Methods: We detected folate receptor (FR)-positive circulating tumor cells (FR(+)-CTCs) by a novel ligand-targeted polymerase chain reaction (LT-PCR) detection technique. Results: In the none-dynamic study, FR(+)-CTC levels of patients with lung cancer were significantly higher than controls (patients with benign lung diseases and healthy controls)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123602/high-expression-of-linc01420-indicates-an-unfavorable-prognosis-and-modulates-cell-migration-and-invasion-in-nasopharyngeal-carcinoma
#8
Liting Yang, Yanyan Tang, Yi He, Yumin Wang, Yu Lian, Fang Xiong, Lei Shi, Shanshan Zhang, Zhaojian Gong, Yujuan Zhou, Qianjin Liao, Ming Zhou, Xiaoling Li, Wei Xiong, Yong Li, Guiyuan Li, Zhaoyang Zeng, Can Guo
Recent studies demonstrated that long non-coding RNAs (lncRNAs) deregulated in many cancer tissues including nasopharyngeal carcinoma (NPC) and had critical roles in cancer progression and metastasis. In this study, we aimed to assess a lncRNA LINC01420 expression in NPC and explore its role in NPC pathogenesis. Our research revealed that the expression level of LINC01420 in NPC tissues were higher than nasopharyngeal epithelial (NPE) tissues. Moreover, NPC patients with high LINC01420 expression level showed poor overall survival...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123601/human-derived-normal-mesenchymal-stem-stromal-cells-in-anticancer-therapies
#9
REVIEW
Cheng Zhang, Shi-Jie Yang, Qin Wen, Jiang F Zhong, Xue-Lian Chen, Andres Stucky, Michael F Press, Xi Zhang
The tumor microenvironment (TME) not only plays a pivotal role during cancer progression and metastasis, but also has profound effects on therapeutic efficacy. Stromal cells of the TME are increasingly becoming a key consideration in the development of active anticancer therapeutics. However, dispute concerning the role of stromal cells to fight cancer continues because the use of mesenchymal stem/stromal cells (MSCs) as an anticancer agent is dependent on the specific MSCs subtype, in vitro or in vivo conditions, factors secreted by MSCs, types of cancer cell lines and interactions between MSCs, cancer cells and host immune cells...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123600/activation-or-suppression-of-the-immune-response-mediators-in-biliary-tract-cancer-btc-patients-a-systematic-review-and-meta-analysis
#10
Ying Wang, Min Ding, Qian Zhang, Jinghan Wang, Xijing Yang, Fuping Zhou, Linfang Li, Zhengang Yuan, Huajun Jin, Qijun Qian
Background: Infiltration of immune cells and immune microenvironment determine the proliferative activity of the tumor and metastasis. The aim of this study was to analyze the influence of activation or suppression of the immune response mediators on the prognosis of biliary tract cancer (BTC). Methods: We searched Pubmed, Web of Science, Embase and The Cochrane Library for relevant literatures until June 2016. The quality of studies was assessed by QUADAS-2 and NOS tools. Forest and funnel plots and all statistical analyses were generated by using Review Manager 5...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123599/comparative-analysis-of-notch1-and-notch2-binding-sites-in-the-genome-of-bxpc3-pancreatic-cancer-cells
#11
Hao Liu, Ping Zhou, Hong Lan, Jia Chen, Yu-Xiang Zhang
Notch signaling plays a key role in the development of pancreatic cancer. Among the four identified Notch receptors, Notch1 and Notch2 share the highest homology. Notch1 has been reported to be an oncogene but some reports indicate that Notch2, not Notch1, plays a key role in pancreatic carcinogenesis. As both are transcription factors, examination of their genomic binding sites might reveal interesting functional differences between them. Notch proteins do not have DNA-binding domain. In the canonical Notch signaling pathway, ligand binding induces the release and nuclear translocation of Notch receptor intracellular domains (NICDs), which then interact with the transcription factor CSL, resulting in subsequent activation of the canonical Notch target genes...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123598/lentiviral-crispr-cas9-vector-mediated-mir-21-gene-editing-inhibits-the-epithelial-to-mesenchymal-transition-in-ovarian-cancer-cells
#12
Wenying Huo, Guannan Zhao, Jinggang Yin, Xuan Ouyang, Yinan Wang, Chuanhe Yang, Baojing Wang, Peixin Dong, Zhixiang Wang, Hidemichi Watari, Edward Chaum, Lawrence M Pfeffer, Junming Yue
CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats) mediated genome editing is a powerful approach for loss of function studies. Here we report that lentiviral CRISPR/Cas9 vectors are highly efficient in introducing mutations in the precursor miRNA sequence, thus leading to the loss of miRNA expression and function. We constructed four different lentiviral CRISPR/Cas9 vectors that target different regions of the precursor miR-21 sequence and found that these lentiviral CRISPR/Cas9 miR-21 gRNA vectors induced mutations in the precursor sequences as shown by DNA surveyor mutation assay and Sanger sequencing...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123597/identification-of-a-panel-of-serum-micrornas-as-biomarkers-for-early-detection-of-lung-adenocarcinoma
#13
Shaogang Lv, Jian Xue, Chuanyong Wu, Lin Wang, Jing Wu, Shujun Xu, Xiaohui Liang, Jiatao Lou
Introduction: Since currently no sensitive and specific biomarkers for early detection of lung adenocarcinoma (AD) exist and the majority of AD patients are diagnosed at late stages of disease, the development of effective screening tests for early-stage lung AD is urgently needed. Serum microRNAs (miRNAs) have been documented as novel noninvasive biomarkers in tumor diagnosis; thus, we studied the profile of serum miRNA in AD patients in order to identify the differentially expressed miRNAs as potential biomarkers for early detection of AD...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123596/epithelial-mesenchymal-transition-is-superior-to-vessels-encapsulate-tumor-cluster-in-promoting-metastasis-of-hepatocellular-carcinoma-a-morphological-evidence
#14
Chuanchao He, Zhenyu Zhou, Hai Jiang, Zi Yin, Shiyu Meng, Jianlong Zhang, Pinbo Huang, Kang Xu, Lijuan Bian, Zhiyu Xiao, Jie Wang
Purpose Vessels-encapsulate tumor cluster (VETC) is a vascular pattern distinct from classical capillary-like pattern. It is reported that VETC structure is common in hepatocellular carcinoma (HCC) and can promote HCC metastasis in an epithelial-mesenchymal transition (EMT)-independent but VETC-dependent manner. However, the main metastatic manner of HCC containing both VETC and classical vascular structure (we called VETC(±)) is unknown. Methods Vascular pattern types and E-cadherin expression were evaluated by immunohistochemical staining in 168 HCC tissues, 50 pairs of primary HCC tissues and intrahepatic metastatic lesions, as well as 12 pairs of primary HCC tissues and major portal vein tumor thrombus...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123595/research-progress-in-the-treatment-of-small-cell-lung-cancer
#15
Yan-Fang Qiu, Zhi-Gang Liu, Wen-Juan Yang, Yu Zhao, Jiao Tang, Wei-Zhi Tang, Yi Jin, Fang Li, Rui Zhong, Hui Wang
Small cell lung cancer (SCLC) accounts for approximately 10-15% of all lung cancers. No significant improvement has been made for patients with SCLC in the past several decades. The main progresses were the thoracic radiation and prophylactic cranial irradiation (PCI) that improved the patient survival rate. For patients with limited disease and good performance status (PS), concurrent chemoradiotherapy (CCRT) followed by PCI should be considered. For extensive disease, the combination of etoposide and platinum-based chemotherapy remains the standard treatment and consolidative thoracic radiotherapy is beneficial for patients who have a significant respond to initial chemotherapy...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123594/histone-deacetylase-inhibitor-saha-as-potential-targeted-therapy-agent-for-larynx-cancer-cells
#16
Aneta Grabarska, Jarogniew J Łuszczki, Ewa Nowosadzka, Ewelina Gumbarewicz, Witold Jeleniewicz, Magdalena Dmoszyńska-Graniczka, Krystyna Kowalczuk, Krzysztof Kupisz, Krzysztof Polberg, Andrzej Stepulak
Objective: Laryngeal squamous cell carcinoma is one of the most common malignant tumors in the head and neck region. Due to the poor response to chemotherapeutics in patients and low survival rate, successful treatment of larynx cancer still remains a challenge. Therefore, the identification of novel treatment options is needed. We investigated the anticancer effects of suberoylanilide hydroxamic acid (SAHA), a histone deacetylase inhibitor, on two different laryngeal cancer cell lines RK33 and RK45. We also studied the antiproliferative action of SAHA in combination with cisplatin and defined the type of pharmacological interaction between these drugs...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123593/epidemiology-of-cancer-in-end-stage-renal-disease-dialysis-patients-a-national-cohort-study-in-taiwan
#17
Chih-Chiang Chien, Ming-Ming Han, Yu-Hsien Chiu, Jhi-Joung Wang, Chin-Chen Chu, Chien-Ya Hung, Yih-Min Sun, Nai-Cheng Yeh, Chung-Han Ho, Chih-Ching Lin, Hao-Yun Kao, Shih-Feng Weng
The incidence and mortality of site-specific cancers in patients with end-stage renal disease (ESRD) on maintenance dialysis have been rarely studied for Asian populations. We tapped Taiwan`s National Health Insurance Research Database to identify and recruit patients starting maintenance dialysis between 1999 and 2004. They were followed from initiation of dialysis until death, discontinuation of dialysis, or the end of 2008. We calculated the survival rate and mortality risk of dialysis patients with cancer...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28123592/downregulation-of-arid1a-a-component-of-the-swi-snf-chromatin-remodeling-complex-in-breast-cancer
#18
Chika Takao, Akemi Morikawa, Hiroshi Ohkubo, Yusuke Kito, Chiemi Saigo, Takuji Sakuratani, Manabu Futamura, Tamotsu Takeuchi, Kazuhiro Yoshida
Recent studies unraveled that AT-rich interactive domain-containing protein 1A (ARID1A), a subunit of the mammary SWI/SNF chromatin remodeling complex, acts as a tumor suppressor in various cancers. In this study, we first evaluated ARID1A expression by immunohistochemistry in invasive breast cancer tissue specimens and assessed the correlation with the prognosis of patients with breast cancer. Non-tumorous mammary duct epithelial cells exhibited strong nuclear ARID1A staining, whereas different degrees of loss in ARID1A immunoreactivity were observed in many invasive breast cancer cells...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28070224/breast-cancer-malignant-processes-are-regulated-by-pax-5-through-the-disruption-of-fak-signaling-pathways
#19
Sami Benzina, Jason Harquail, Roxann Guerrette, Pierre O'Brien, Stéphanie Jean, Nicolas Crapoulet, Gilles A Robichaud
The study of genetic factors regulating breast cancer malignancy is a top priority to mitigate the morbidity and mortality associated with this disease. One of these factors, Pax-5, modulates cancer aggressiveness through the regulation of various components of the epithelial to mesenchymal transitioning (EMT) process. We have previously reported that Pax-5 expression profiles in cancer tissues inversely correlate with those of the Focal Adhesion Kinase (FAK), a potent activator of breast cancer malignancy...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27994680/association-between-the-kras-gene-polymorphisms-and-papillary-thyroid-carcinoma-in-a-chinese-han-population
#20
Lifeng Ning, Wenwang Rao, Yaqin Yu, Xiaoli Liu, Yuchen Pan, Yuan Ma, Rui Liu, Shangchao Zhang, Hui Sun, Qiong Yu
Several studies have reported the association between MAPK signaling pathway gene polymorphisms and papillary thyroid carcinoma (PTC). KRAS gene, an oncogene from the mammalian RAS gene family plays an important role in the MAPK pathway. This study aimed to identify the potential association of KRAS gene polymorphisms with susceptibility to PTC in a Han Chinese population. A total of 861 patients with PTC, 562 disease controls with nodular goiter and 897 healthy controls were recruited. Four tagSNP polymorphisms (rs12427141, rs712, rs7315339 and rs7960917) of KRAS gene were genotyped by matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS)...
2016: Journal of Cancer
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