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Cancer Investigation

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https://www.readbyqxmd.com/read/29420094/the-clinical-spectrum-of-multiple-endocrine-neoplasia-type-2a-with-cutaneous-lichen-amyloidosis-in-ethnic-han-chinese
#1
Xiao-Ping Qi, Jian-Qiang Zhao, Zhi-Lie Cao, Er Fu, Feng Li, Yi-Hua Zhao, Guang-Ping Wang, Peng-Fei Li, Wo-Long Ma, Jian Guo, Hong Jia
This study systematically reviewed previous literatures and analyzed the genotype-phenotype relationship between the multiple endocrine neoplasia type 2A (MEN 2A)-cutaneous lichen amyloidosis (CLA) and RET/OSMR/IL31RA mutations. RET/OSMR/IL31RA screening was performed on 8 RET-carriers from 3 independent Chinese MEN 2A families. Besides, 51 MEN 2A-CLA patients in 116 RET carriers from literatures were clustered and analyzed. Our results indicated that almost all MEN 2A-CLA patients exhibited CLA which was located in the scapular region and carried RET mutation at codon 634...
February 8, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29420084/meeting-report-eurog20-meeting-on-cancer-associated-thrombosis-cat-bergamo-italy-7-april-2016
#2
I Elalamy, A Falanga
The EuroG20 meeting on cancer-associated thrombosis (CAT) convened in Bergamo, Italy on 7 April 2016 to discuss a selection of controversial topics in CAT management. This satellite meeting besides ICTHIC in Bergamo has the objective to propose an European Guidance on CAT in various complex situations where evidence-based guidelines are lacking, driven by eminence-based thoughts of 20 experts and key opinion leaders in thrombosis from EU area and 8 experts from the rest of the world.
February 8, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29405781/-simple-methods-to-derive-primary-malignant-glioma-cell-lines-and-assay-of-cellular-damage-for-preclinical-studies
#3
Kalyani Thakur, Sai Shyam, Jennifer George, Shobha A G, K V L Narasinga Rao, Vijay Kumar Kalia
Primary malignant glioma cell lines are being used for initial screening of anticancer agents. We utilized a simple mechanical disaggregation method for deriving cell lines from tumor tissues; and a Coverslip Culture-Acridine Orange Staining method to study cellular damage. Cell lines could be grown for up to three passages within three weeks after surgery. Cell proliferation, total cellular damage, and MTT assay were studied as parameters of cytotoxic response. Frequencies of damaged cells varied in different cell lines; and increased after cytotoxic treatments under clinically relevant conditions...
February 6, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29393706/biomarkers-in-recurrent-grade-iii-glioma-patients-treated-with-bevacizumab-and-irinotecan
#4
Anders Toft, Thomas Urup, Ib Jarle Christensen, Signe Regner Michaelsen, Babloo Lukram, Kirsten Grunnet, Michael Kosteljanetz, Vibeke Andrée Larsen, Ulrik Lassen, Helle Broholm, Hans Skovgaard Poulsen
Predictive biomarkers and prognostic models are required to identify recurrent grade III glioma patients who benefit from existing treatment. In this study of 62 recurrent grade III glioma patients, a range of clinical and paraclinical factors are tested for association with progression-free survival, overall survival, and response to bevacizumab and irinotecan therapy. Significant factors from univariate screening are included in multivariate analysis. Biomarkers previously advanced as predictive or prognostic in the first-line setting did not affect outcome in this patient cohort...
February 2, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29393702/radiolabeled-mabs-as-molecular-imaging-and-or-therapy-agents-targeting-psma
#5
Dimitrios Psimadas, Varvara Valotassiou, Sotiria Alexiou, Ioannis Tsougos, Panagiotis Georgoulias
Molecular imaging and therapy is a rapidly evolving field in research and clinical medicine. The use of the exciting and attractive properties of radioisotopes for imaging and therapy has made Nuclear Medicine very significant when it comes to molecular imaging/therapy. Monoclonal Antibodies (mAbs) on the other hand are very important targeting biomolecules with high affinity that can "carry" the radioisotope of choice. Herein we make a brief overview of the radiolabeled mAbs that target prostate specific membrane antigen (PSMA) and their use in the management of patients with prostate cancer (PCa)...
February 2, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29393701/efficacy-and-tolerability-of-bacillus-calmette-gu%C3%A3-rin-therapy-as-the-first-line-therapy-for-upper-urinary-tract-carcinoma-in-situ
#6
Ikko Tomisaki, Tatsuhiko Kubo, Akinori Minato, Naohiro Fujimoto
There are few data on Bacillus Calmette-Guérin (BCG) therapy for upper urinary tract carcinoma in situ (UUT CIS). We retrospectively evaluated the efficacy and tolerability of BCG therapy for 41 patients [52 renal units(RUs)] with UUT CIS. Of 52 RUs, complete response was achieved in 47 (90%). The 5-year recurrence-, progression-free survival rates were 60.2% and 74.2%, respectively. Adverse events were observed in 31 (76%) patients, but most of them were mild. The scheduled instillations were completed in 31 (74%) of 42 patients...
February 2, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29388837/adenovirus-lacking-e1b-efficiently-induces-cytopathic-effect-in-hpv-16-positive-murine-cancer-cells-via-virus-replication-and-apoptosis
#7
Elvis Martinez-Jaramillo, Rodolfo Garza-Morales, Stephen L Wechman, Roberto Montes de Oca-Luna, Odila Saucedo-Cardenas, Haval Shirwan, Esma Yolcu, Kelly M McMasters, Jorge G Gomez-Gutierrez
Conditionally replicative adenoviruses (CRAds) replicate poorly in murine cancer cells; however, E1b-deleted CRAds may replicate effectively in HPV16-E6/E7-positive murine cancer cells (TC-1). The HPV16 E7 open reading frame encodes functions analogous to these deleted adenovirus E1 proteins. In this study, an E1b-deleted CRAd (Adhz60) was evaluated for its ability to replicate and induce oncolysis in TC-1 cells. Adhz60-mediated oncolysis was similar in TC-1 and HeLa cells. Productive viral replication was evident based on expression of E1A and hexon, production of infectious virus progeny, and Adhz60-induced apoptosis...
February 1, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29381400/knockdown-of-cxcr4-inhibits-cxcl12-induced-angiogenesis-in-huvecs-through-downregulation-of-the-mapk-erk-and-pi3k-akt-and-the-wnt-%C3%AE-catenin-pathways
#8
Zhi-Yu Song, Feng Wang, Shu-Xiang Cui, Xian-Jun Qu
CXCL12 is an extracellular chemokine binding to cell surface receptor CXCR4. We found that activation of CXCL12/CXCR4 axis stimulated angiogenesis in endothelial cells. Knockdown of CXCR4 in endothelial cells prevented the branch points of angiogenesis. Endothelial cells exposed to CXCL12 presented high level of epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), and matrix metalloproteinase MMP-2, but not in CXCR4 knockdown cells. Further studies revealed that activation of CXCL12/CXCR4 axis in vascular endothelial cells stimulates the angiogenesis through upregulation of the MAPK/ERK and PI3K/AKT and Wnt/β-catenin pathways...
January 30, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29381398/the-activity-of-class-i-iv-alcohol-dehydrogenase-isoenzymes-and-aldehyde-dehydrogenase-in-bladder-cancer-cells
#9
Karolina Orywal, Wojciech Jelski, Tadeusz Werel, Maciej Szmitkowski
OBJECTIVES: The aim of this study was to determine the differences in the activity of Alcohol Dehydrogenase (ADH) isoenzymes and Aldehyde Dehydrogenase (ALDH) in normal and cancerous bladder cells. METHODS: Class III, IV of ADH and total ADH activity were measured by the photometric method and class I, II ADH and ALDH activity by the fluorometric method. RESULTS: Significantly higher total activity of ADH was found in both, low-grade and high-grade bladder cancer, in comparison to healthy tissues...
January 30, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29381393/satb1-is-a-novel-molecular-target-for-cancer-therapy
#10
Meng Ding, Jun Pan, Zhicheng Guo, Quhe Liu, Chunhua Yang, Lijun Mao
The special AT-rich sequence binding-protein1 (SATB1) attracts excessive attention due to its high expression in a variety of malignancies. SATB1 reprograms chromatin and transcription profiles to promote tumor cell growth and invasion and inhibit apoptosis, leading to tumor progression and metastasis. Consistently, silencing SATB1 with small interfering RNA inhibits the growth and invasion of some kinds of tumors. In this review, we highlight recent progress in our understanding of the role of SATB1 as global regulator of gene expression during cancer development, and evaluate the potential of SATB1 as a molecular therapeutic target for cancers with aberrant SATB1 expression...
January 30, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29336624/potential-molecular-targets-in-the-treatment-of-lung-cancer-using-sirna-technology
#11
Habib Zarredar, Khalil Ansarin, Behzad Baradaran, Shiva Ahdi Khosroshahi, Safar Farajnia
Lung cancer is the leading cause of cancer-related mortality with about 1.6 million deaths every year worldwide. Gene mutations and overexpression of oncogenes play a central role in malignant transformation in NSCLC. Conventional approaches for treatments of NSCLC have shown low levels of success while showing severe side effects. Target therapy using siRNA has recently emerged as a new strategy for cancer treatment by specific targeting of genes involved in the development and metastasis of cancer. This article dedicated to an update review of molecular targets could potentially be used for target therapy of lung cancer using SiRNA technology...
January 16, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29319371/a-four-tiered-prognostic-score-for-patients-receiving-palliative-thoracic-radiotherapy-for-lung-cancer
#12
Carsten Nieder, Terje Tollåli, Ellinor Haukland, Anne Reigstad, Liv Randi Flatøy, Astrid Dalhaug
Palliative radiotherapy improves lung cancer related symptoms. Prognosis should be taken into account when deciding about fractionation. In this study, prognostic factors derived from multivariate analysis were used to assign a point sum reflecting 6-month survival. Four prognostic groups were compared. Performance status, lactate dehydrogenase, C-reactive protein, liver/adrenal gland metastases, and extrathoracic disease status significantly predicted survival and formed the basis of the score. The four groups had a median survival of 0...
January 10, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29303365/microrna-187-inhibits-growth-and-metastasis-of-osteosarcoma-by-downregulating-s100a4
#13
Yi Xiao, Quan Zhao, Bo Du, Hua-Yan Chen, Dao-Zheng Zhou
Abnormal expression and dysfunction of microRNAs are correlated with osteosarcoma (OS). This study demonstrated that the miR-187 level in OS tissues and cell lines was decreased. The proliferation and metastatic abilities of U-2OS cells were inhibited by miR-187 overexpression and promoted by miR-187 knockdown. Moreover, miR-187 also inhibited growth and metastasis of OS cells in vivo. Furthermore, we revealed that miR-187 could interact with S100A4 3'-UTR and inhibit S100A4 expression in OS cells. In summary, miR-187 inhibits growth and metastasis of OS cells by downregulating S100A4, which might be a potential biomarker and therapeutic target of OS...
January 5, 2018: Cancer Investigation
https://www.readbyqxmd.com/read/29243990/quantification-of-plasma-cell-free-circulating-dna-at-different-stages-of-colorectal-cancer
#14
Shahram Agah, Abolfazl Akbari, Atefeh Talebi, Mohsen Masoudi, Arash Sarveazad, Alireza Mirzaei, Farinaz Nazmi
Cell-free circulating DNAs (cfcDNAs) have been recognized as promising biomarkers for a number of cancers. This study aimed to quantify the cfcDNA in colorectal cancer to assess its potential value as biomarker. Quantification of baseline cfcDNA was determined as the amount of free glyceraldehyde 3-phosphate dehydrogenase (GAPDH) in plasma, using quantitative real-time polymerase chain reaction (PCR). The calculated area under the curve (AUC) of receiver operating characteristic (ROC) for cfcDNA was 0.875 (95% CI, 0...
November 26, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/29243989/clinical-application-of-detecting-21-gene-recurrence-score-in-predicating-prognosis-and-therapy-response-of-patients-with-breast-cancer-from-two-medical-centers
#15
Guodong Xiao, Jinying Meng, Jing Zhang, Gang Li, Ning Du, Sida Qin, Jichang Wang, Chongwen Xu, Hong Ren, Shou-Ching Tang, Xin Sun
To determine the most suitable strategy in treating patients with invasive breast cancer from Northwest China. Lower recurrence score (RS) correlated with lower recurrence ratio. Patients having a medium-high 21-gene RS who received adjuvant therapy presented lower recurrence risk. Younger patients having RS results (⩾31) tended to accept adjuvant therapy more often, however, those having intermediate RS results were inclined to wait and did not receive chemotherapy. These results suggested that RS-based precision medicine will allow individualized diagnosis and treatment, resulting in better outcomes and preserved medical resources...
November 26, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/29243988/prostate-cancer-probability-prediction-by-machine-learning-technique
#16
Srđan Jović, Milica Miljković, Miljan Ivanović, Milena Šaranović, Milena Arsić
The main goal of the study was to explore possibility of prostate cancer prediction by machine learning techniques. In order to improve the survival probability of the prostate cancer patients it is essential to make suitable prediction models of the prostate cancer. If one make relevant prediction of the prostate cancer it is easy to create suitable treatment based on the prediction results. Machine learning techniques are the most common techniques for the creation of the predictive models. Therefore in this study several machine techniques were applied and compared...
November 26, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/29243987/association-between-hace1-gene-polymorphisms-and-wilms-tumor-risk-in-a-chinese-population
#17
Wei Jia, Zhijian Deng, Jinhong Zhu, Wen Fu, Shibo Zhu, Li-Yu Zhang, Jinhua Hu, Fenghua Wang, Huimin Xia, Guo-Chang Liu, Jing He
Wilms' tumor is one of the most common solid tumors of childhood; however, the genetic basis underlying the majority of cases remains largely unknown. HACE1 is a putative Wilms' tumor susceptibility gene. We investigated the association between five HACE1 gene polymorphisms and Wilms' tumor susceptibility in a Chinese population consisting of 145 patients and 531 controls. We found a significant association between HACE1 rs9404576 polymorphism and decreased Wilms' tumor risk. No significant association was detected for other polymorphisms in the overall analysis...
November 26, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/29243986/hospital-centralization-impacts-high-risk-lung-and-bladder-cancer-surgical-patients
#18
Wil Lieberman-Cribbin, Matthew Galsky, Martin Casey, Bian Liu, William Oh, Raja Flores, Emanuela Taioli
We investigated the effects of hospital centralization on the distribution of the individual surgical patient risk in higher versus lower volume hospitals. Lung (n = 28,471) and bladder (n = 8,160) cancer surgical patients were selected from the New York Statewide Planning and Research Cooperative System database, 1997-2011. Estimated patient risk was consistently lower in the highest compared to the lowest hospital volume-quartiles for lung and bladder cancer mortality, complications, and long length of stay...
November 26, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/29064739/estimation-of-the-most-influential-factors-for-survival-probability-prediction-of-prostate-cancer-patients
#19
Jablan Stanković, Mladen Stanković
The objective of the study was to address some important questions related to prostate cancer treatments and survivorship. One of possibility to improve the survival probability of prostate cancer patients is to improve predictive strategies. Therefore in this article was created short-term multistep ahead predictive model for survival probability prediction of prostate cancer patients. Neuro-fuzzy model was used to select the most important inputs for the predictive model. As the inputs, current and time lagged variables were used...
October 21, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28990808/microrna-205-mediates-proteinase-activated-receptor-2-par2-promoted-cancer-cell-migration
#20
Xu Yang, Lan Yang, Yiming Ma, Xinhua Zhao, Hongying Wang
Activation of proteinase-activated receptor 2 (PAR2) promotes cell migration in cancers, but the exact mechanism underlying this process remains largely unknown. Here we report that activation of PAR2 reduced miR-205 expression, whereas inhibition of miR-205 promoted cell migration in cancer cells. Overexpression of miR-205 blocked PAR2-mediated stimulation of cell migration. BMPR1B was identified as a downstream target gene of miR-205. In colorectal carcinoma specimens from patients, the level of PAR2 was negatively correlated with that of miR-205, but it was positively associated with BMPR1B expression...
October 21, 2017: Cancer Investigation
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