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Journal of Cancer

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
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
Szu-Yuan Wu, Alexander T H Wu, Kevin Sheng-Po Yuan, Shing Hwa Liu
In this study, we observed that brown seaweed fucoidan inhibited human breast cancer progression by upregulating microRNA (miR)-29c and downregulating miR-17-5p, thereby suppressing their target genes, a disintegrin and metalloproteinase 12 (ADAM12) and phosphatase and tensin homolog (PTEN), respectively. Moreover, fucoidan reduced the luciferase activity of 3'-untranslated region reporter; treatment of cells with the miR-29c mimic or miR-17-5p inhibitor also produced similar results. These effects of fucoidan inhibited the epithelial-mesenchymal transition in breast cancer cells, as evidenced by an increase in E-cadherin and a drop in N-cadherin, and inhibited breast cancer cell survival, as evidenced by the activation of the phosphoinositide 3-kinase/Akt pathway...
2016: Journal of Cancer
Jennifer M Wymant, Stephen Hiscox, Andrew D Westwell, Sylvie Urbé, Michael J Clague, Arwyn T Jones
Breast Cancer Associated gene 2 (BCA2) is an E3 ubiquitin ligase that is over-expressed in >50% of primary breast cancers, and has been shown to increase in vitro cell proliferation and invasion. The protein has been linked to alterations in EGFR degradation; however there is some dispute as to its role and influence on the biology of this receptor. Our work aimed to ascertain the role of BCA2 in EGFR endocytosis and down-regulation and to examine its links with breast cancer outcome. Data generated with the online expression analysis tool KM-Plotter showed that high BCA2 levels are associated with poor prognosis in ovarian, gastric and breast cancer, particularly HER2 over-expressing breast cancers...
2016: Journal of Cancer
Hyunseok Jee, Ji-Eun Chang, Eun Joo Yang
Due to the importance of exercise in prehabilitation, we conducted this study to understand the effects of different exercise intensities on cancer-related cachexia. Forty adult male CDF1 mice were randomly divided into a non-cancer control group (N=10, NC), cancer control group (N=10, CC), cancer with moderate exercise group (N=10, ME, 70% maxHR), and cancer with intense exercise group (N=10, SE, 90% maxHR) for obtaining data such as tissue weight and body weight changes, quality of life (QoL) indicators, and levels of cytokines and a muscle homeostasis regulatory protein...
2016: Journal of Cancer
L M Greene, S Butini, G Campiani, D C Williams, D M Zisterer
Microtubules are currently ranked one of the most validated targets for chemotherapy; with clinical use of microtubule targeting agents (MTAs) extending beyond half a century. Recent research has focused on the development of novel MTAs to combat drug resistance and drug associated toxicities. Of particular interest are compounds structurally different to those currently used within the clinic. The pyrrolo-1, 5-benzoxazepines (PBOXs) are a structurally distinct novel group of anti-cancer agents, some of which target tubulin...
2016: Journal of Cancer
ShaSha He, Yan Wang, HaiYang Chen, Lin Yang, ShaoBo Liang, LiXia Lu, Yong Chen
Background: The C-reactive protein/albumin (CRP/ALB) ratio has recently been associated with clinical outcomes in patients suffering various types of cancer. In this retrospective study, we investigated the prognostic value of the pre-treatment CRP/ALB ratio (CAR) in non-metastatic nasopharyngeal carcinoma (NPC) patients. Methods: The cohort included 2685 patients with non-metastatic NPC. Univariate and multivariate COX proportional hazards analyses were applied to evaluate the associations of CAR with overall survival (OS), distant metastasis-free survival (DMFS), disease-free survival (DFS), and locoregional recurrence-free survival (LRRFS) in patients with NPC...
2016: Journal of Cancer
Rosa Divella, Raffaele De Luca, Ines Abbate, Emanuele Naglieri, Antonella Daniele
Adipose tissue in addition to its ability to keep lipids is now recognized as a real organ with both metabolic and endocrine functions. Recent studies demonstrated that in obese animals is established a status of adipocyte hypoxia and in this hypoxic state interaction between adipocytes and stromal vascular cells contribute to tumor development and progression. In several tumors such as breast, colon, liver and prostate, obesity represents a poor predictor of clinical outcomes. Dysfunctional adipose tissue in obesity releases a disturbed profile of adipokines with elevated levels of pro-inflammatory factors and a consequent alteration of key signaling mediators which may be an active local player in establishing the peritumoral environment promoting tumor growth and progression...
2016: Journal of Cancer
Mindy Muñoz, Madeleine Craske, Patricia Severino, Thais Martins de Lima, Paul Labhart, Roger Chammas, Irineu Tadeu Velasco, Marcel Cerqueira César Machado, Brian Egan, Helder I Nakaya, Fabiano Pinheiro da Silva
Antimicrobial peptides are an ancient family of molecules that emerged millions of years ago and have been strongly conserved during the evolutionary process of living organisms. Recently, our group described that the human antimicrobial peptide LL-37 migrates to the nucleus, raising the possibility that LL-37 could directly modulate transcription under certain conditions. Here, we showed evidence that LL-37 binds to gene promoter regions, and LL-37 gene silencing changed the transcriptional program of melanoma A375 cells genes associated with histone, metabolism, cellular stress, ubiquitination and mitochondria...
2016: Journal of Cancer
Tanner J McArdle, Brenda M Ogle, Felicite K Noubissi
The ability to quantify cell migration and invasion is critical in the study of cancer metastasis. Current invasion assays, such as the Boyden Chamber, present difficulties in the measurement of the invasion of cells that are few in number and are intrinsically tied to the cell microenvironment. There exists a need for a three-dimensional invasion assay that is easily reproduced, accessible for most laboratories, and requires no displacement of cells from their original microenvironment. Here we present a simple design for an inverted vertical invasion assay able to assess the invasion capabilities of cells in a three dimensional, extracellular matrix-based environment without displacement from the original culture location...
2016: Journal of Cancer
Jing Zeng, Jie Yin, Xiao Song, Ying Jin, Yan Li, Lingya Pan
Background and aims. To determine whether reduction of CA125 levels is a predictive factor for cytoreduction to no visible residual disease (NVRD) and chemotherapeutic sensitivity in advanced epithelial ovarian carcinoma (EOC), primary carcinoma of fallopian tube and peritoneal carcinoma patients who received neoadjuvant chemotherapy followed by interval debulking surgery (NAC-IDS). Methods. This was a single-team-based study of advanced EOC, primary carcinoma of fallopian tube and peritoneal carcinoma patients diagnosed between 1996 and 2015 at Peking Union Medical College Hospital...
2016: Journal of Cancer
Juan Yu, Lei Wang, Haiping Yang, Di Ding, Lei Zhang, Jigang Wang, Qi Chen, Qiang Zou, Yiting Jin, Xiuping Liu
We found that microRNA-320a (miR-320a) was an attractive prognostic biomarker in breast cancer (BC) previously, whereas its regulatory mechanism in BC was not well understood. Our aim was to identify miR-320a target gene, examine the clinical relationship between miR-320a and its target, and further explore the functions of its target in BC. In this study, miR-320a downstream target gene was determined in HEK-293T cells by dual luciferase reporter assay. Then western blotting and immunohistochemistry were used to assess miR-320a target gene expression in fresh frozen (n=19, breast cancer and matched non-malignant adjacent tissue samples) and formalin-fixed paraffin-embedded (FFPE) (n=130, invasive BC tissues, the same panel detected for miR-320a expression previously) breast tissues, respectively...
2016: Journal of Cancer
Bo Chen, Danian Dai, Hailin Tang, Xi Chen, Xiaohong Ai, Xiaojia Huang, Weidong Wei, Xiaoming Xie
Background: Serum parameters as prognostic parameters are studied widely. We aim to examine the prognostic significance of the serum alkaline phosphatase (ALP) level and lactate dehydrogenase (LDH) level in triple negative breast cancer (TNBC). Methods: Total of 253 TNBC patients from Sun Yat-sen University Cancer Center who underwent treatment between January 2004 and December 2009 was conducted in this retrospective study. Before treatment serum ALP and LDH levels were routinely measured. We use the receiver operating characteristic (ROC) curve analysis to estimate the cutoff value of serum ALP and LDH levels...
2016: Journal of Cancer
Xue-Lian Li, Dan-Feng Du, Hua Jiang
BACKGROUND: The 3D laparoscopy systems and robotic systems have been introduced into clinical practice for a few years. But the comparison of robotic and 3D laparoscopic gynecologic surgery is still needed. OBJECTIVE: To retrospectively compare the learning curves of robotic and 3D laparoscopic hysterectomy and pelvic lymphadenectomy in cervical cancer. STUDY DESIGN: The operational duration, blood loss, peritoneal drainage of first 24 hours after operation, total hospitalization days, hospitalization days after operation, lymph nodes collected, learning curves and cost of robotic and 3D laparoscopic hysterectomy and pelvic lymphadenectomy in cervical cancer performed by one experienced surgeon were studied...
2016: Journal of Cancer
Diana Aparecida Dias Câmara, Lisley Inata Mambelli, Allan Saj Porcacchia, Irina Kerkis
Cancer cells transformation into a normal state or into a cancer cell population which is less tumorigenic than the initial one is a challenge that has been discussed during last decades and it is still far to be solved. Due to the highly heterogeneous nature of cancer cells, such transformation involves many genetic and epigenetic factors which are specific for each type of tumor. Different methods of cancer cells reprogramming have been established and can represent a possibility to obtain less tumorigenic or even normal cells...
2016: Journal of Cancer
Donat Duerr, Susan Ellard, Yongliang Zhai, Marianne Taylor, Sanjay Rao
Background: Small bowel adenocarcinoma (SBA) is associated with a poor prognosis. It is an uncommon malignancy and therefore difficult to study. Randomized phase III trials are not available to guide best approaches. The Provincial Cancer Registry of the British Columbia Cancer Agency contains long-term data on patients with SBA. The authors analyzed characteristics and treatment outcomes for SBA patients diagnosed between 1990 and 2008. Material and methods: Charts of 150 patients with a histological diagnosis of SBA were retrospectively analyzed...
2016: Journal of Cancer
Weilin Pu, Xin Geng, Sidi Chen, Lixing Tan, Yulong Tan, An Wang, Zhouyi Lu, Shicheng Guo, Xiaofeng Chen, Jiucun Wang
Background: Aberrant methylation of CpG islands in tumor cells in promoter regions is a critical event in non-small cell lung carcinoma (NSCLC) tumorigenesis and can be a potential diagnostic biomarker for NSCLC patients. The present study systemically and quantitatively reviewed the diagnostic ability of CDH13 methylation in NSCLC as well as in its subsets. Eligible studies were identified through searching PubMed, Web of Science, Cochrane Library and Embase. The pooled odds of CDH13 promoter methylation in lung cancer tissues versus normal controls were calculated by meta-analysis method...
2016: Journal of Cancer
Shuaishuai Zhang, Fengxian Qin, Liyuan Yang, Jingrong Xian, Qin Zou, Hongjun Jin, Lu Wang, Ling Zhang
Nucleophosmin (NPM1) - a gene that encodes for a nuclear protein with multiple functions. Mutations in NPM1 are seen in approximately one-third of acute myeloid leukemia (AML) and are generally associated with good response to induction chemotherapy. However, the mechanisms underlying this chemosensitivity are still unknown. Recent studies have established that nuclear factor-κB (NF-κB) activation is a key response of leukemia cell to chemotherapy. In this study, we transfected human monocytic leukemia THP-1 cells with the vector expressing NPM1 mutation variant (NPM1mA), and confirmed overexpression of NPM1mA at mRNA and protein levels by reverse transcription PCR (RT-PCR) and immunohistochemistry, respectively...
2016: Journal of Cancer
Giovanna E Carpagnano, Donato Lacedonia, Elisabetta Crisetti, Domenico Martinelli, Maria P Foschino-Barbaro
Our research group demonstrated, in a precedent study, the prognostic power of the 3p microsatellites alterations (MAs) detectable in exhaled breath condensate (EBC) in NSCLC patients. The analysis of genetic markers in the EBC might have precious clinical and economic consequences when inserted in diagnostic and follow up programs for lung cancer. The aim of this study was to evaluate the prognostic value of a new panel of MAs in the EBC of patients with NSCLC. We enrolled 45 NSCLC patients during a period of 36 months and the follow-up period was 156 weeks...
2016: Journal of Cancer
Mario Zurita, Grisel Cruz-Becerra
The deregulation of gene expression is a characteristic of cancer cells, and malignant cells require very high levels of transcription to maintain their cancerous phenotype and survive. Therefore, components of the basal transcription machinery may be considered as targets to preferentially kill cancerous cells. TFIIH is a multisubunit basal transcription factor that also functions in nucleotide excision repair. The recent discoveries of some small molecules that interfere with TFIIH and that preferentially kill cancer cells have increased researchers' interest to elucidate the complex mechanisms by which TFIIH operates...
2016: Journal of Cancer
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