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Translational Oncology

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https://www.readbyqxmd.com/read/27889655/a-prediction-model-based-on-biomarkers-and-clinical-characteristics-for-detection-of-lung-cancer-in-pulmonary-nodules
#1
Jie Ma, Maria A Guarnera, Wenxian Zhou, HongBin Fang, Feng Jiang
Lung cancer early detection by low-dose computed tomography (LDCT) can reduce the mortality. However, LDCT increases the number of indeterminate pulmonary nodules (PNs), whereas 95% of the PNs are ultimately false positives. Modalities for specifically distinguishing between malignant and benign PNs are urgently needed. We previously identified a panel of peripheral blood mononucleated cell (PBMC)-miRNA (miRs-19b-3p and -29b-3p) biomarkers for lung cancer. This study aimed to evaluate efficacy of integrating biomarkers and clinical and radiological characteristics of smokers for differentiating malignant from benign PNs...
November 24, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27888711/preoperative-monocyte-to-lymphocyte-ratio-in-peripheral-blood-predicts-stages-metastasis-and-histological-grades-in-patients-with-ovarian-cancer
#2
Jiangdong Xiang, Lina Zhou, Xing Li, Wei Bao, Taizhong Chen, Xiaowei Xi, Yinyan He, Xiaoping Wan
PURPOSE: The monocyte-to-lymphocyte ratio (MLR) has been shown to be associated with the prognosis of various solid tumors. This study sought to evaluate the important value of the MLR in ovarian cancer patients. METHODS: A total of 133 ovarian cancer patients and 43 normal controls were retrospectively reviewed. The patients' demographics were analyzed along with clinical and pathologic data. The counts of peripheral neutrophils, lymphocytes, monocytes, and platelets were collected and used to calculate the MLR, neutrophil-to-lymphocyte ratio (NLR)...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27888710/plk1-a-potential-target-for-cancer-therapy
#3
REVIEW
Zhixian Liu, Qingrong Sun, Xiaosheng Wang
Polo-like kinase 1 (PLK1) plays an important role in the initiation, maintenance, and completion of mitosis. Dysfunction of PLK1 may promote cancerous transformation and drive its progression. PLK1 overexpression has been found in a variety of human cancers and was associated with poor prognoses in cancers. Many studies have showed that inhibition of PLK1 could lead to death of cancer cells by interfering with multiple stages of mitosis. Thus, PLK1 is expected to be a potential target for cancer therapy. In this article, we examined PLK1's structural characteristics, its regulatory roles in cell mitosis, PLK1 expression, and its association with survival prognoses of cancer patients in a wide variety of cancer types, PLK1 interaction networks, and PLK1 inhibitors under investigation...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27888709/correlations-between-dce-mri-and-histopathological-parameters-in-head-and-neck-squamous-cell-carcinoma
#4
Alexey Surov, Hans Jonas Meyer, Matthias Gawlitza, Anne-Kathrin Höhn, Andreas Boehm, Thomas Kahn, Patrick Stumpp
BACKGROUND: Dynamic contrast-enhanced magnetic resonance imaging (DCE MRI) can characterize perfusion and vascularization of tissues. DCE MRI parameters can differentiate between malignant and benign lesions and predict tumor grading. The purpose of this study was to correlate DCE MRI findings and various histopathological parameters in head and neck squamous cell carcinoma (HNSCC). PATIENTS AND METHODS: Sixteen patients with histologically proven HNSCC (11 cases primary tumors and in 5 patients with local tumor recurrence) were included in the study...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27888708/prognostic-value-of-tumor-infiltrating-lymphocytes-for-patients-with-head-and-neck-squamous-cell-carcinoma
#5
Qiaoshi Xu, Chong Wang, Xiaohong Yuan, Zhien Feng, Zhengxue Han
BACKGROUND: The prognostic value of tumor-infiltrating lymphocytes (TILs) in head and neck squamous cell carcinoma (HNSCC) remains controversial. Additionally, there is no standardized approach or cutoff value for evaluating TIL levels. The aim of this study was to establish a feasible method and criterion to assess TIL levels for future clinical practice and research use and to explore the relationship between TIL levels and prognosis. PATIENTS AND METHODS: This retrospective cohort study reviewed the records and pathological sections of 202 patients with HNSCC who were surgically treated at Beijing Stomatological Hospital, Capital Medical University, from January 1998 to January 2011...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27888707/up-regulation-of-rfc3-promotes-triple-negative-breast-cancer-metastasis-and-is-associated-with-poor-prognosis-via-emt
#6
Zhen-Yu He, San-Gang Wu, Fang Peng, Qun Zhang, Ying Luo, Ming Chen, Yong Bao
Triple-negative breast cancer (TNBC) was regarded as the most aggressive and mortal subtype of breast cancer (BC) since the molecular subtype system has been established. Abundant studies have revealed that epithelial-mesenchymal transition (EMT) played a pivotal role during breast cancer metastasis and progression, especially in TNBC. Herein, we showed that inhibition the expression of replication factor C subunit 3 (RFC3) significantly attenuated TNBC metastasis and progression, which was associated with EMT signal pathway...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27883956/efficacy-of-braf-inhibitors-in-asian-metastatic-melanoma-patients-potential-implications-of-genomic-sequencing-in-braf-mutated-melanoma
#7
Hee Kyung Kim, Sunyoung Lee, Kyung Kim, Mi Hwa Heo, Hansang Lee, Jinhyun Cho, Nayoung K D Kim, Woongyang Park, Su Jin Lee, Jung Han Kim, Kee-Taek Jang, Sang-Hee Choi, Jeeyun Lee
BACKGROUND: The BRAF inhibitors vemurafenib and dabrafenib are currently the standard treatment for metastatic melanoma with BRAF V600 mutations. However, given the rarity of noncutaneous melanoma, including acral and mucosal subtypes, the efficacy of BRAF inhibitors for this subset of patients has not been extensively investigated. Acquired resistance generally appears 6 to 8 months after treatment with a BRAF inhibitor, and the mechanism of resistance is not well established. METHODS: We examined treatment outcomes for patients diagnosed with metastatic melanoma and treated with BRAF inhibitors at Samsung Medical Center between April 2013 and December 2015...
November 21, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27835791/the-role-of-pdgfr-%C3%AE-activation-in-acquired-resistance-to-igf-1r-blockade-in-preclinical-models-of-rhabdomyosarcoma
#8
Christine M Heske, Choh Yeung, Arnulfo Mendoza, Joshua T Baumgart, Leah D Edessa, Xiaolin Wan, Lee J Helman
To determine what alternative pathways may act as mechanisms of bypass resistance to type 1 insulin-like growth factor receptor (IGF-1R) blockade in rhabdomyosarcoma (RMS), we compared expression of receptor tyrosine kinase activity in a number of IGF-1R antibody-resistant and -sensitive RMS cell lines. We found that platelet-derived growth factor receptor β (PDGFR-β) activity was upregulated in three xenograft-derived IGF-1R antibody-resistant cell lines that arose from a highly sensitive fusion-positive RMS cell line (Rh41)...
November 8, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27835790/the-p38%C3%AE-rs3804451-variant-predicts-chemotherapy-response-and-survival-of-patients-with-non-small-cell-lung-cancer-treated-with-platinum-based-chemotherapy
#9
Ming Jia, Yuan Xu, Meiling Zhu, Mengyun Wang, Menghong Sun, Ji Qian, Jianhua Chang, Qingyi Wei
The JNK and P38α pathways play an important role in the sensitivity and outcomes of chemotherapy. We hypothesize that functional single nucleotide polymorphisms (SNPs) of genes of these pathways modulate outcomes of patients with advanced non-small cell lung cancer (NSCLC) treated with first-line platinum-based chemotherapy (PBC). We selectively genotyped 11 independent, potentially functional SNPs of 9 genes in the JNK and P38α pathways first in a discovery group of 355 patients with advanced NSCLC treated with PBC, and we evaluated their associations with progression-free survival (PFS) and overall survival (OS) by Cox proportional hazards regression analysis...
November 8, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27835789/a-comparative-performance-analysis-of-multispectral-and-rgb-imaging-on-her2-status-evaluation-for-the-prediction-of-breast-cancer-prognosis
#10
Wenlou Liu, Linwei Wang, Jiuyang Liu, Jingping Yuan, Jiamei Chen, Han Wu, Qingming Xiang, Guifang Yang, Yan Li
Despite the extensive application of multispectral imaging (MSI) in biomedical multidisciplinary researches, there is a paucity of data available regarding the implication of MSI in tumor prognosis prediction. We compared the behaviors of multispectral (MS) and conventional red-green-blue (RGB) images on assessment of human epidermal growth factor receptor 2 (HER2) immunohistochemistry to explore their impact on outcome in patients with invasive breast cancer (BC). Tissue microarrays containing 240 BC patients were introduced to compare the performance of MS and RGB imaging methods on the quantitative assessment of HER2 status and the prognostic value of 5-year disease-free survival (5-DFS)...
November 8, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27816688/sdhb-deficiency-promotes-tgf%C3%AE-mediated-invasion-and-metastasis-of-colorectal-cancer-through-transcriptional-repression-complex-snail1-smad3-4
#11
Haiyu Wang, Yusheng Chen, Guohao Wu
Succinate dehydrogenase (SDH) is a heterotetrameric complex, among which the catalytic core SDHB loss-of-function mutations lead to mitochondrial enzyme SDH dysfunction and are associated with cancer formation. However, the impact of SDHB loss on colorectal carcinoma and the underlying mechanisms are largely unknown. In this study, we found a coherent decreased SDHB expression both in human colorectal cancer (CRC) samples and CRC cell lines. Combined clinical analysis in a cohort of 43 CRC patients demonstrated a correlation between reduced SDHB activity and a more advanced clinical phenotype regarding lymphatic and distant metastasis...
November 3, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27816686/in-vitro-and-in-vivo-synergistic-therapeutic-effect-of-cisplatin-with-human-papillomavirus16-e6-e7-crispr-cas9-on-cervical-cancer-cell-line
#12
Shuai Zhen, Jiao-Jiao Lu, Li-Jie Wang, Xiao-Min Sun, Jia-Qi Zhang, Xu Li, Wen-Juan Luo, Le Zhao
PURPOSE: Human papillomavirus (HPV) type 16 is one of the major etiologic factors of cervical cancer. Our study aims to investigate the potentiality of the antiviral clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated Cas9 system (CRISPR/Cas9) targeting the E6 and E7 oncogenes of HPV16 as a potential chemosensitizer of cisplatin (cis-diaminedichloroplatinum II; CDDP) for cervical cancer. METHODS: Specifically, the therapeutic efficacy of combination of CDDP and HPV16 E6 + E7-CRISPR/Cas9 was assessed in cervical cancer cells and cervical cancer xenograft models...
October 28, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27816685/long-noncoding-rna-hotair-controls-cell-cycle-by-functioning-as-a-competing-endogenous-rna-in-esophageal-squamous-cell-carcinoma
#13
Kewei Ren, Yahua Li, Huibin Lu, Zongming Li, Zhen Li, Kai Wu, Zhiqin Li, Xinwei Han
Recent studies have shown that long noncoding RNAs (lncRNAs) play pivotal roles in the initiation and progression of cancer, including esophageal squamous cell carcinoma (ESCC). The lncRNA HOX transcript antisense RNA (HOTAIR) was reported to be dysregulated and correlated with the progression of ESCC. However, the biological role and the underlying mechanism of HOTAIR in the development of ESCC remain unclear. Herein, we found that HOTAIR was aberrantly upregulated in ESCC cells and that HOTAIR depletion inhibited proliferation and led to G1 cell cycle arrest in ESCC cells...
October 28, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27788388/preoperative-nutritional-deficiency-is-a-useful-predictor-of-postoperative-outcome-in-patients-undergoing-curative-resection-for-gastric-cancer
#14
Xuechao Liu, Pengfei Xu, Haibo Qiu, Dazhi Xu, Wei Li, Youqing Zhan, Yuanfang Li, Yingbo Chen, Zhiwei Zhou, Xiaowei Sun
BACKGROUND: Preoperative nutritional deficiency (ND) has been shown to be a valuable prognostic factor in urologic malignancies. We aimed to investigate the prognostic value of ND in patients with gastric cancer (GC). METHODS: A single-center cohort of 1026 GC patients undergoing curative resection between 2003 and 2012 was categorized to ND and nutritionally replete (NR) groups. Patients with body mass index <18.5 kg/m(2), preoperative albumin <35 g/l, or preoperative weight loss ≥5% of body weight were defined as ND...
October 24, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27916296/ampk%C3%AE-is-suppressed-in-bladder-cancer-through-macrophage-mediated-mechanisms
#15
Stavros Kopsiaftis, Poornima Hegde, John A Taylor, Kevin P Claffey
Bladder cancer presents as either low- or high-grade disease, each with distinct mutational profiles; however, both display prominent mTORC1 activation. One major negative regulator of mTORC1 is AMPK, which is a critical metabolic regulator that suppresses cellular growth in response to metabolic stress by negatively regulating mTORC1. Alterations in the activation and protein levels of AMPK have been reported in breast, gastric, and hepatocellular carcinoma. To investigate whether AMPK suppression is responsible for mTOR activation in bladder cancer, the levels of AMPKα were quantified in a cohort of primary human bladder cancers and adjacent nontumor tissues...
December 2016: Translational Oncology
https://www.readbyqxmd.com/read/27916295/association-of-biomarkers-with-serious-cardiac-adverse-events-during-abiraterone-acetate-treatment-in-castration-resistant-prostate-cancer
#16
REVIEW
Sara Campora, Eleonora Campazzi, Silvia Zanardi, Matteo Puntoni, Marco Piccininno, Arnoldo Piccardo, Mehrdad Shoushtari Zadeh Naseri, Carlotta Defferrari, Nicoletta Provinciali, Marilena Petrera, Domenico Marra, Ennio Biscaldi, Gian Carlo Antonucci, Damiano Ricci, Matteo Clavarezza, Alessandra Gennari, Alberto Gozza, Mauro D'Amico, Marco Mori, Andrea DeCensi
BACKGROUND: Abiraterone acetate is an effective drug for castration-resistant prostate cancer, but cardiac serious adverse events (SAEs) may occur. We studied their association with N-terminal pro-brain natriuretic peptide (NT-proBNP) and troponin T (TnT) during abiraterone therapy. PATIENTS AND METHODS: In a single institution, 17 patients were treated with abiraterone acetate 1 g daily with concomitant prednisone and then switched to dexametasone plus canrenone...
December 2016: Translational Oncology
https://www.readbyqxmd.com/read/27916294/high-expression-of-phgdh-predicts-poor-prognosis-in-non-small-cell-lung-cancer
#17
Jinhong Zhu, Jianqun Ma, Xudong Wang, Tianjiao Ma, Shu Zhang, Wei Wang, Xiaoyu Zhou, Jiahai Shi
Tumors have exceptionally high demands for energy and anabolism because of their rapid growth. The de novo serine synthesis pathway initiated by phosphoglycerate dehydrogenase (PHGDH) has been recognized as a hallmark of metabolic adaption in carcinogenesis. The oncogenic role and prognostic value of PHGDH have been investigated in multiple cancer types, including breast cancer, melanoma, cervical cancer, and colon cancer. Due to the importance of PHGDH in cancer, we attempted to determine the clinical significance of PHGDH in 319 patients with non-small cell lung cancer (NSCLC)...
December 2016: Translational Oncology
https://www.readbyqxmd.com/read/27916293/expression-of-glut-1-and-hk-ii-in-pancreatic-cancer-and-their-impact-on-prognosis-and-fdg-accumulation
#18
Hai-Jing Yang, Wei-Jia Xu, Yi-Hui Guan, Hui-Wei Zhang, Wei-Qun Ding, Lan Rong, Zhi-Bing Qiu, Liang Zhong
OBJECTIVE: The purpose of this article is to analyze the expression of Glut-1 and HK-II, the association between their expression and (18)F-FDG accumulation in pancreatic cancer. METHODS: Fifty patients with histologically proven pancreatic cancer were included in this preliminary study, all of whom received (18)F-FDG PET/CT performance before surgery. Immunohistochemical staining of tumor tissue and adjacent normal tissue was performed for Glut-1 and HK-II. By combining proportions and intensity of immunochemical staining, we obtained the modified immunohistological scores for Glut-1 and HK-II respectively...
December 2016: Translational Oncology
https://www.readbyqxmd.com/read/27916292/cancer-prognosis-defined-by-the-combined-analysis-of-8q-pten-and-erg
#19
Maria P Silva, João D Barros-Silva, Elin Ersvær, Wanja Kildal, Tarjei Sveinsgjerd Hveem, Manohar Pradhan, Joana Vieira, Manuel R Teixeira, Håvard E Danielsen
Overtreatment is a major concern in men diagnosed with prostate cancer. The aim of this study was to evaluate the combined prognostic role of three frequent molecular alterations in prostate cancer, namely relative 8q gain, ERG overexpression, and loss of PTEN expression, in a series of 136 patients with prostate cancer treated with prostatectomy and with a long follow-up. Fluorescent in situ hybridization was used to detect the relative copy number of 8q and immunohistochemistry was used for quantitative assessment of ERG and PTEN expression...
December 2016: Translational Oncology
https://www.readbyqxmd.com/read/27916291/intratumoral-immunization-by-p19arf-and-interferon-%C3%AE-gene-transfer-in-a-heterotopic-mouse-model-of-lung-carcinoma
#20
João Paulo Portela Catani, Ruan F V Medrano, Aline Hunger, Paulo Del Valle, Sandy Adjemian, Daniela Bertolini Zanatta, Guido Kroemer, Eugenia Costanzi-Strauss, Bryan E Strauss
Therapeutic strategies that act by eliciting and enhancing antitumor immunity have been clinically validated as an effective treatment modality but may benefit from the induction of both cell death and immune activation as primary stimuli. Using our AdRGD-PG adenovector platform, we show here for the first time that in situ gene transfer of p19Arf and interferon-β (IFNβ) in the LLC1 mouse model of lung carcinoma acts as an immunotherapy. Although p19Arf is sufficient to induce cell death, only its pairing with IFNβ significantly induced markers of immunogenic cell death...
December 2016: Translational Oncology
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