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Cancer Investigation

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https://www.readbyqxmd.com/read/28107084/can-diffusion-weighted-imaging-and-related-apparent-diffusion-coefficient-be-a-prognostic-value-in-women-with-breast-cancer
#1
Paola Rabasco, Rocchina Caivano, Vittorio Simeon, Giuseppina Dinardo, Antonella Lotumolo, Matilde Gioioso, Antonio Villonio, Giancarlo Iannelli, Felice D'Antuono, Alexis Zandolino, Luca Macarini, Giuseppe Guglielmi, Aldo Cammarota
PURPOSE: To analyze diffusion-weighted imaging (DWI) and the related apparent diffusion coefficient (ADC) in women with breast cancer, correlating these values with the presence at 3 years of distant metastases, and to demonstrate that DWI-Magnetic Resonance Imaging (MRI) and related ADC values may represent a prognostic value in the study of women with breast cancer. MATERIALS AND METHODS: Sixty women (aged 45-73 years) affected with breast cancer with a follow-up in 3 years were enrolled...
January 20, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28103112/potassium-iodate-differently-regulates-the-proliferation-migration-and-invasion-of-human-thyroid-cancer-cells-via-modulating-mir-146a
#2
Yan Liu, Hong Li, Jiayue Zhang, Xu Gao
The effects of different doses of potassium iodate (KIO3) on the malignancy of thyroid cancer were investigated. Results showed that the proliferation, migration, and invasion of SW579 thyroid cancer cells were improved by 10(-6) M KIO3, which was associated with microRNA(miR)-146a deficit; 10(-2) M KIO3 significantly enhanced miR-146a level and suppressed SW579 cell proliferation, migration, and invasion. The diverse effects of KIO3 on SW579 cells were associated with the expression changes in miR-146a targets, Bcl-2, Bax, and caspase-3...
January 19, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28102711/higher-expression-of-ercc1-may-be-associated-with-resistance-to-adjuvant-platinum-based-chemotherapy-in-gastric-cancer
#3
Jiayi Wan, Lin Chao, Arier C Lee, Qi Chen
Potential predictive biomarker(s) to respond to chemotherapy in gastric cancer are unclear. Excision repair cross-complementing 1 (ERCC1), a DNA repair enzyme, is associated with clinical outcomes in gastric cancer. Here, we investigated the expression of ERCC1 in gastric cancer with platinum-based chemotherapy after surgery, and the association between ERCC1 expression and clinical parameters was analyzed. Our data showed that high levels of ERCC1 expression were positively associated with resistance to platinum-based chemotherapy but not with lymph node metastasis and pathological stage...
January 19, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28102708/corrigendum
#4
(no author information available yet)
No abstract text is available yet for this article.
January 19, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28095066/association-of-osteopontin-gene-polymorphisms-with-colorectal-cancer
#5
Asmaa Kamal, Rania Kamal Darwish, Samar Saad, Mohamed Salama, Tarek S El-Baradie, Heba G M Mahmoud, Yasmine Elshiwy
We investigated the association of the Osteopontin (OPN) (rs9138 and rs1126616) polymorphisms with colorectal cancer (CRC). One hundred CRC patients and 112 healthy individuals were subjected to OPN (rs9138 and rs1126616) genotyping and measurement of OPN protein plasma level. The C allele of OPN rs1126616 and the CC haplotype were significantly higher in CRC patient (p = 0.036, 0.003, respectively). In females, the C allele of OPN rs9318 (A/C) polymorphism was significantly associated with increased CRC risk (p = 0...
January 17, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28095062/microrna-196a-as-a-potential-diagnostic-biomarker-for-esophageal-squamous-cell-carcinoma
#6
Mona Fendereski, Mohammad Farid Zia, Mohammad Shafiee, Forousan Safari, Mohammad Hosien Saneie, Manoochehr Tavassoli
We observed significant up-regulation of miR-196a in esophageal squamous cell carcinoma (ESCC) as compared with their adjacent normal tissue (p = .002). Receiver operating characteristics curve analysis confirmed the suitability of miR-196a as a potential tumor marker for diagnosis of ESCC. Furthermore, analysis of miR-196a levels in saliva samples determined an average of 27-fold up-regulations in ESCC patients compared with healthy group. Our results suggest that salivary miR-196a may be a suitable noninvasive biomarker for diagnosis of ESCC...
January 17, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28055278/corrigendum
#7
(no author information available yet)
No abstract text is available yet for this article.
January 5, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28029807/physicians-perspectives-and-practice-patterns-toward-opportunistic-salpingectomy-in-high-and-low-risk-women
#8
Nathaniel L Jones, Jay Schulkin, Renata R Urban, Jason D Wright, William M Burke, June Y Hou, Cora A McElwain, Ana I Tergas
BACKGROUND: Opportunistic bilateral salpingectomy (OBS) has been proposed as an ovarian cancer risk-reducing strategy. METHODS: A survey was emailed to 300 members of the American College of Obstetricians and Gynecologists. RESULTS: 125 (42%) surveys were returned: 60% female, 88% generalists, 67% private practice. Only 36% correctly identified the lifetime risk of ovarian cancer, only 23% understood the risk-reducing benefit of bilateral salpingo-oophorectomy...
December 28, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27996308/anticancer-activity-of-curcumin-and-its-analogues-preclinical-and-clinical-studies
#9
Alessandro Allegra, Vanessa Innao, Sabina Russo, Demetrio Gerace, Andrea Alonci, Caterina Musolino
Curcumin has been shown to have a wide variety of therapeutic effects, ranging from anti-inflammatory, chemopreventive, anti-proliferative, and anti-metastatic. This review provides an overview of the recent research conducted to overcome the problems with the bioavailability of curcumin, and of the preclinical and clinical studies that have reported success in combinatorial strategies coupling curcumin with other treatments. Research on the signaling pathways that curcumin treatment targets shows that it potently acts on major intracellular components involved in key processes such as genomic modulations, cell invasion and cell death pathways...
December 20, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27911119/phase-ii-study-of-dasatinib-in-previously-treated-patients-with-advanced-non-small-cell-lung-cancer
#10
Michael J Kelley, Gautam Jha, Debra Shoemaker, James E Herndon, Lin Gu, William T Barry, Jeffrey Crawford, Neal Ready
The Src pathway in activated in about one-third of non-small cell lung cancer (NSCLC) tumors. Dasatinib has Src-inhibitor activity. We examined the activity of dasatinib in 37 patients with advanced, previously treated NSCLC. Among the 29 patients who underwent pre-treatment biopsy for RNA biomarker analysis, 25 were treated with dasatinib 70 mg twice daily. There were no responses. Five patients discontinued treatment due to toxicity. Three patients had minor biopsy-related pneumothoraces. Given the lack of responses, no biomarkers were analyzed...
December 2, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27901596/magnetic-resonance-imaging-in-the-pre-surgical-staging-of-breast-cancer-our-experience
#11
Paola Rabasco, Rocchina Caivano, Giuseppina Dinardo, Matilde Gioioso, Antonella Lotumolo, Giancarlo Iannelli, Antonio Villonio, Giuseppe La Torre, Stefano D'Errico, Luca Macarini, Giuseppe Guglielmi, Aldo Cammarota
PURPOSE: To investigate the clinical impact of magnetic resonance imaging (MRI) in the detection of multifocal-multicentric breast cancers, already identified by mammography and ultrasound, and analyzed histologically, to evaluate its role in preoperative staging. MATERIALS AND METHODS: From January 2012 to February 2014, 188 patients, aged 28 to 74 years, newly diagnosed with breast cancer on conventional imaging (mammography and ultrasound) were enrolled. They underwent preoperative contrast-enhanced 3T MRI...
November 30, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27901576/the-high-frequency-of-pik3ca-mutations-in-iranian-breast-cancer-patients
#12
Ghasem Azizi Tabesh, Pantea Izadi, Forouzandeh Fereidooni, Amir Nader Emami Razavi, Javad Tavakkoly Bazzaz
In breast cancer, somatic mutations of PIK3CA oncogene are common. We investigated the mutational status of exons 9 and 20 of the PIK3CA gene by polymerase chain reaction and direct sequencing in 80 breast tumors, and observed that 45% of these contained PIK3CA mutations in the mentioned exons. These mutations were found more in progesterone receptor positive and Her2- tumors, but this association did not reach a statistically significant level. Also, we observed a significant association between PIK3CA mutations and low-grade tumors...
November 30, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27892728/a-phase-i-ii-study-of-nab-paclitaxel-cisplatin-and-cetuximab-with-concurrent-radiation-therapy-for-locally-advanced-squamous-cell-cancer-of-the-head-and-neck
#13
Stephen G Chun, Randall Hughes, Baran D Sumer, Larry L Myers, John M Truelson, Saad A Khan, Tsung-Wei Ma, Yang Xie, John S Yordy, Susan Cooley, Jean Wu, Hak Choy, Lucien A Nedzi
Nab-paclitaxel might impact efficacy of radiation for head and neck (H&N) cancer. Nab-paclitaxel, cisplatin, cetuximab, and radiation were evaluated in patients with locally advanced head and neck cancer in this phase I/II trial. Median follow-up was 24 months for 34 patients. The maximum tolerated dose of nab-paclitaxel was 20 mg/m(2) with 20 mg/m(2) cisplatin and 250 mg/m(2) cetuximab. The 2-year progression-free survival (PFS) was 60% (95% confidence interval (CI) 0.42, 0.78), local control 71% (95% CI 0...
November 28, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27892727/information-deficits-and-second-opinion-seeking-a-survey-on-cancer-patients
#14
Tobias Fuchs, Hani Hanaya, Eckart Seilacher, Marie-Jolin Koester, Christian Keinki, Patrick Liebl, Jutta Huebner
OBJECTIVE: To learn more about cancer patients' motivation for seeking a second opinion. METHODS: Participants filled in a standardized questionnaire. RESULTS: Among 106 patients, 34% had looked for a second opinion, 81% wanted to check the accuracy of their treatment, and 49% needed to better understand the diagnosis. Low understanding of information was associated with looking for a second opinion, and 79% felt assured after a second opinion...
November 28, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27918216/s100p-is-overexpressed-in-squamous-cell-and-adenosquamous-carcinoma-subtypes-of-endometrial-cancer-and-promotes-cancer-cell-proliferation-and-invasion
#15
Hongfei Jiang, Hang Hu, Fan Lin, Yoon Pin Lim, Yunfen Hua, Xiaomei Tong, Songying Zhang
S100P is known to affect tumor development and metastasis of various cancers, but its role in endometrial cancer is unclear. We reported that S100P expression was dramatically elevated in both endometrial squamous cell carcinoma and adenosquamous carcinoma, but not in adenocarcinoma and normal endometrial samples. Moreover, we revealed an oncogenic role of S100P promoting cell proliferation, invasion, and migration while reducing apoptosis, possibly via its upregulation and/or activation of receptors of advanced glycation end products and consequently the oncogenic PI3K-AKT and MAPK pathways...
November 25, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27918215/eov-editorial-board
#16
(no author information available yet)
No abstract text is available yet for this article.
November 25, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27824515/tumor-inhibition-by-enzalutamide-in-a-xenograft-model-of-ovarian-cancer
#17
Brian Y Park, Rachel N Grisham, Bjørnar den Hollander, Dharmarao Thapi, Tara Berman, Elisa de Stanchina, Qin Zhou, Gopa Iyer, Carol Aghajanian, David R Spriggs
OBJECTIVES: To investigate the tumor-suppressive properties of enzalutamide in androgen-driven ovarian cancer. METHODS: Mice were implanted subcutaneously with OVCAR-3 cells and treated with dihydrotestosterone in combination with enzalutamide or vehicle control. Tumor volumes were measured twice weekly until day 56. RESULTS: Dihydrotestosterone exposure led to a significant increase in tumor growth, while concomitant treatment with enzalutamide led to significant reductions in tumor volume compared to the androgen-exposed groups...
November 25, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27824512/hypoxia-a-double-edged-sword-in-cancer-therapy
#18
Hamed Manoochehri Khoshinani, Saeid Afshar, Rezvan Najafi
Hypoxia is a common feature of malignant tumors. There is an interactive connection between hypoxia and chemoresistance, radioresistance, invasiveness, and angiogenesis. Therefore, tumor hypoxia has been considered as a validated target for treating cancer. This review focuses on the role of hypoxia on chemoresistance and radioresistance. In addition, we address several approaches targeting tumor hypoxia, known as hypoxia-targeted therapy.
November 25, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27791402/attributable-risk-of-infection-to-mtor-inhibitors-everolimus-and-temsirolimus-in-the-treatment-of-cancer
#19
Christine A Garcia, Shenhong Wu
The risk of infection attributable to mTOR inhibitors has not been determined. Databases from PubMed and abstracts presented at the American Society of Clinical Oncology meetings were searched. Eligible studies included randomized controlled trials, in which everolimus or temsirolimus was compared with placebo. A total of 12 trials were included. The attributable incidences of all-grade and high-grade infections to mTOR inhibitors were 9.3% (95% confidence interval (CI): 5.8-14.6%) and 2.3% (95% CI: 1.2-4.4%) respectively...
November 25, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27791400/downregulation-of-potential-tumor-suppressor-mir-203a-by-promoter-methylation-contributes-to-the-invasiveness-of-gastric-cardia-adenocarcinoma
#20
Wei Liu, Zhiming Dong, Jia Liang, Xin Guo, Yanli Guo, Supeng Shen, Gang Kuang, Wei Guo
Like many tumor suppressor genes, some miRNA genes harboring CpG islands undergo methylation-mediated silencing. In the study, we found significant downregulation and proximal promoter methylation of miR-203a and miR-203b in gastric cardia adenocarcinoma (GCA) tissues. The methylation status of miR-203a and miR-203b in tumor tissues was negatively correlated with their expression level. GCA patients in stage III and IV with reduced expression or hypermethylation of miR-203a demonstrated poor patient survival...
November 25, 2016: Cancer Investigation
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