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cancer progression

Patrizia Ferroni, Francesca Santilli, Francesco Cavaliere, Paola Simeone, Leopoldo Costarelli, Rossella Liani, Romina Tripaldi, Silvia Riondino, Mario Roselli, Giovanni Davi, Fiorella Guadagni
The hypothesis that increased oxidative stress in breast cancer (BC) patients could induce enhanced lipid peroxidation, which, in turn, would contribute to platelet activation and poor clinical outcome is attractive. To address this issue, we investigated pre-surgical urinary 8-iso-prostaglandin (PG)F2α (marker of in vivo oxidative stress) and 11-dehydro-thromboxane (TX)B2 (marker of in vivo platelet activation) levels in patients with primary BC (n=115) compared with control women paired for co-morbidities and their association with patients' metabolic profile and clinical prognostic factors...
October 26, 2016: International Journal of Cancer. Journal International du Cancer
Cherif Akladios, Jean-Jacques Baldauf, Frederic Marchal, Michel Hummel, Laure-Emilie Rebstock, Jean-Emmanuel Kurtz, Thierry Petit, Karolina Afors, Carole Mathelin, Lise Lecointre, Stéphanie Schrot-Sanyan
OBJECTIVE: To evaluate the overall survival (OS) of patients with initially inoperable advanced ovarian cancer, tubal carcinoma, or primary peritoneal carcinoma of stages III or IV undergoing neoadjuvant chemotherapy (NAC) followed by cytoreductive surgery, according to the number of cycles performed. METHODS: This retrospective study was conducted in three main oncology centres in the east of France, reviewing the charts of all patients who underwent NAC between January 1, 1998 and October 31, 2012...
October 27, 2016: Oncology
Ying Xiong, Li Liu, Jiajun Wang, Wei Xi, Yu Xia, Qi Bai, Yang Qu, Qilai Long, Jiejie Xu, Jianming Guo
BACKGROUND: Chemokine (C-C motif) ligand 21 (CCL21), a ligand of the chemokine (C-C motif) receptor 7, has recently been identified as an immuno-based anti-cancer molecule for its dendritic cells and T lymphocytes chemoattractant function. The aim of this study was to investigate prognostic values of CCL21 expression in metastatic renal cell carcinoma patients treated with targeted therapy. METHODS: This study included 111 patients with metastatic renal cell carcinoma receiving targeted therapy...
October 23, 2016: Oncotarget
Jian Xie, Yan Feng, Ting Lin, Xiao-Yu Huang, Rui-Huan Gan, Yong Zhao, Bo-Hua Su, Lin-Can Ding, Lin She, Jiang Chen, Li-Song Lin, Xu Lin, Da-Li Zheng, You-Guang Lu
The cadherin-4 gene (CDH4) of the cadherin family encodes non-epithelial R-cadherin (R-cad); however, the function of this gene in different types of cancer remains controversial. In this study, we found higher expression of CDH4 mRNA in a salivary adenoid cystic carcinoma (SACC) cell line with low metastatic potential (SACC-83) than in a cell line with high metastatic potential (SACC-LM). By analyzing 67 samples of SACC tissues and 40 samples of paraneoplastic normal tissues, we found R-cad highly expressed in 100% of normal paraneoplastic tissue but only expressed in 64% of SACC tumor tissues (P<0...
October 22, 2016: Oncotarget
Wankun Chen, Yajun Xu, Jing Zhong, Huihui Wang, Meilin Weng, Qian Cheng, Qichao Wu, Zhirong Sun, Hui Jiang, Minmin Zhu, Yu Ren, Pingbo Xu, Jiawei Chen, Changhong Miao
Malignant fibrous histiocytoma amplified sequence 1 (MFHAS1) is a predicted oncoprotein that demonstrates tumorigenic activity in vivo; however, the mechanisms involved are unknown. Macrophages are divided into the pro-inflammatory M1 and anti-inflammatory/protumoral M2 subtypes. Tumor cells can induce M2 polarization of tumor-associated macrophages (TAMs) to promote metastasis; but the underlying pathways require to be elucidated. In this study, we detected a positive association between MFHAS1 expression in TAMs and human colorectal cancer (CRC) TNM stage...
October 21, 2016: Oncotarget
Chengbo Yu, Qing Cao, Ping Chen, Shigui Yang, Xianli Gong, Min Deng, Bing Ruan, Lanjuan Li
Hepatitis B virus (HBV) infection is a major risk factor which can lead to development of hepatocellular carcinoma (HCC). Tissue transglutaminase-2 (TG2) has been shown to be critical for cancer progression. However, how TG2 promotes the progression of HBV-related HCC remains unknown. In this study, we aimed to explore the expression and function of TG2 on HBV-related HCC progression. The expression levels of TG2 were examined in a series of HBV-related HCC tissues and a panel of HCC cell lines. The effects of TG2 knockdown on the proliferation and migration of HBV-related cells were determined...
October 25, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Saurabh Zanwar, Vikas Ostwal, Arvind Sahu, Deepak Jain, Anant Ramaswamy, Avanish Saklani, Mukta Ramadwar, Nitin Shetty, Shailesh V Shrikande
INTRODUCTION: There is scarce data relating to methods to improve sphincter preservation in rectal gastrointestinal stromal tumor (GIST). Increasing the duration of neoadjuvant (NA) imatinib resulting in improved sphincter preservation rate has not been established. This retrospective analysis looks at the rates of sphincter preservation in rectal GIST with NA imatinib and effect of duration of NA imatinib on the same to find out optimum duration of NA with respect to sphincter preservation in rectal GIST patients...
October 26, 2016: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
Michela Bulfoni, Matteo Turetta, Fabio Del Ben, Carla Di Loreto, Antonio Paolo Beltrami, Daniela Cesselli
Although the enumeration of circulating tumor cells (CTC) defined as expressing both epithelial cell adhesion molecule and cytokeratins (EpCAM⁺/CK⁺) can predict prognosis and response to therapy in metastatic breast, colon and prostate cancer, its clinical utility (i.e., the ability to improve patient outcome by guiding therapy) has not yet been proven in clinical trials. Therefore, scientists are now focusing on the molecular characterization of CTC as a way to explore its possible use as a "surrogate" of tumor tissues to non-invasively assess the genomic landscape of the cancer and its evolution during treatment...
October 24, 2016: International Journal of Molecular Sciences
Christine Jungk, Andreas Mock, Janina Exner, Christoph Geisenberger, Rolf Warta, David Capper, Amir Abdollahi, Sara Friauf, Bernd Lahrmann, Niels Grabe, Philipp Beckhove, Andreas von Deimling, Andreas Unterberg, Christel Herold-Mende
BACKGROUND: The spatial relationship of glioblastoma (GBM) to the subventricular zone (SVZ) is associated with inferior patient survival. However, the underlying molecular phenotype is largely unknown. We interrogated an SVZ-dependent transcriptome and potential location-specific prognostic markers. METHODS: mRNA microarray data of a discovery set (n = 36 GBMs) were analyzed for SVZ-dependent gene expression and process networks using the MetaCore™ workflow...
October 26, 2016: BMC Medicine
Pedro Berraondo, Luna Minute, Daniel Ajona, Leticia Corrales, Ignacio Melero, Ruben Pio
Chronic inflammation in the tumor microenvironment and evasion of the antitumor effector immune response are two of the emerging hallmarks required for oncogenesis and cancer progression. The innate immune system not only plays a critical role in perpetuating these tumor-promoting hallmarks but also in developing antitumor adaptive immune responses. Thus, understanding the dual role of the innate system in cancer immunology is required for the design of combined immunotherapy strategies able to tackle established tumors...
November 2016: Immunological Reviews
Roberto Serpe, Laura Demurtas, Marco Puzzoni, Clelia Madeddu, Mario Scartozzi
The cancer anorexia-cachexia syndrome (CACS) is considered a multifactorial syndrome that leads a general decline of the cancer patient conditions, prognosis and survival, and characterized by progressive loss of body mass and functional impairment, due to marked energy metabolism imbalance and immunological disorders. It is the cause of death in almost one out of five advanced cancer patients. CACS is also accompanied with loss of quality of life, reduced response and tolerance to anticancer therapies and affected outcome...
October 2016: Recenti Progressi in Medicina
Trond Aasen, Marc Mesnil, Christian C Naus, Paul D Lampe, Dale W Laird
Fifty years ago, tumour cells were found to lack electrical coupling, leading to the hypothesis that loss of direct intercellular communication is commonly associated with cancer onset and progression. Subsequent studies linked this phenomenon to gap junctions composed of connexin proteins. Although many studies support the notion that connexins are tumour suppressors, recent evidence suggests that, in some tumour types, they may facilitate specific stages of tumour progression through both junctional and non-junctional signalling pathways...
October 21, 2016: Nature Reviews. Cancer
Nicole Maeding, Thomas Verwanger, Barbara Krammer
Photodynamic therapy (PDT) is a cancer treatment with a long-standing history. It employs the application of nontoxic components, namely a light-sensitive photosensitizer and visible light, to generate reactive oxygen species (ROS). These ROS lead to tumor cell destruction, which is accompanied by the induction of an acute inflammatory response. This inflammatory process sends a danger signal to the innate immune system, which results in activation of specific cell types and release of additional inflammatory mediators...
October 6, 2016: Cancers
Diana K Cohen, Peter K Lee
Non-melanoma skin cancer (NMSC) is traditionally treated with surgical excision. Nonsurgical methods such as cryotherapy and topical chemotherapeutics, amongst other treatments, are other options. Actinic keratosis (AKs) are considered precancerous lesions that eventually may progress to squamous cell carcinoma (SCC). Photodynamic therapy (PDT) offers an effective treatment for AKs, and is also effective for superficial basal cell carcinoma (BCC). Nodular BCC and Bowen's disease (SCC in situ) have shown acceptable response rates with PDT, although recurrence rates are higher for these two NMSC subtypes...
October 4, 2016: Cancers
T Tellez, M Garcia-Aranda, M Redondo
Clusterin is a glycoprotein that has been implicated in many processes, including apoptosis, cell cycle regulation and DNA repair. Since clusterin expression has also been associated with tumorigenesis and the progression of various malignancies including prevalent tumors like prostate, colon, bladder and breast, this protein has been proposed as a good candidate for future treatments. There have been numerous studies conducted in cell lines and xenograft models with successful results that, in general, justify the use of clusterin as a therapeutic target...
October 24, 2016: Current Medicinal Chemistry
Fang-Ping Xu, Yan-Hui Liu, Xin-Lan Luo, Fen Zhang, Hai-Yu Zhou, Yan Ge, Chao Liu, Jie Chen, Dong-Lan Luo, Li-Xu Yan, Ping Mei, Jie Xu, Heng-Guo Zhuang
Steroid receptor coactivator-3 (SRC-3), a transcriptional coactivator for nuclear receptors and other transcription factors, plays an important role in the genesis and progression of several cancers. However, studies investigated the role of SRC-3 in esophageal squamous cell carcinomas (ESCCs) are limited, and the role of SRC-3 in tumor progression remains unclear. We examined the expression of SRC-3 in 8 ESCC cell lines and 302 human ESCC tissues by qPCR, Western blot, and immunohistochemistry. In addition, ESCC cell lines were subjected to proliferation and invasion assays, tumorigenicity assay, flow cytometry assay, qPCR, Western blot, and Chromatin Immunoprecipitation assay to investigate the role of SRC-3 in cancer progression...
October 26, 2016: Cancer Medicine
Fan Zhou, Yuanyuan Xu, Jiong Shi, Xing Lan, Xiaoping Zou, Lei Wang, Qin Huang
Early-onset gastric cancer (EOGC) is predominant in females, diffuse histology, and hereditary pattern. Germline mutation of CDH1 and p53 has been reported previously and female dominance was speculated to be associated with estrogen and its receptors. Expression of E-cadherin, estrogen receptor α (ERα), estrogen receptor β (ERβ), and p53 in EOGC remains unclear, which was the focus of this study, to assess clinical significance of their expression in EOGC. The expression of E-cadherin, ERα, ERβ, and p53 in tumors and normal tissues from surgically resected EOGCs was assessed by immunohistochemistry (n = 139) and Western blot (n = 7) methods, respectively...
October 25, 2016: Cancer Medicine
Shihao Dong, Jingsong Chen
Serrated polyposis syndrome (SPS) is closely associated with the initiation and development of colorectal cancer (CRC), however, there is few research on SPS in China. Serrated polyps can be divided into hyperplastic polyps, sessile serrated polyps and traditional serrated polyps. The diagnosis standard of SPS is as following: (1) There are at least 5 serrated lesions in proximal colon, and diameter of more than 2 lesions is >10 mm; (2) The patient has one serrated polyp with family history of SPS; (3) More than 20 serrated polyps can be found in the entire large bowel...
October 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
Rui Feng, Xiaotian Zhang, Sheng Yang
With the deeper research of the proliferation, invasion and metastasis mechanisms of the gastric cancer, targeted therapy has become a hot spot in this field. The exploration of targeted agents for gastric cancer is mainly concentrated upon the drugs that target human epidermal growth factor receptor (HER) family, the vascular endothelial growth factor (VEGF), the phosphatidylinositol 3-kinase-protein kinase/mammalian target of rapamycin (PI3K/mTOR) and the NF-κB signaling pathways. The targeted drugs relevant to HER family include the Cetuximab, Nimotuzumab, Matuzumab, Panitumumab and Erlotinib which are aimed at HER-1, the Trastuzumab, Pertuzumab and T-DM1 (trastuzumab emtansine) which are aimed at HER-2, and the Lapatinib and Afatinib which are the multi-target agents of HER...
October 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
Zhiwei Sun, Xicheng Wang, Jun Jia, Chuanling Liu, Xiaodong Zhang, Lin Shen
OBJECTIVE: To analyze the relationship between primary tumor location and clinical response of chemotherapy in patients with metastatic colorectal cancer(mCRC). METHODS: Clinical data of 721 mCRC patients who received first-line and second-line chemotherapy in Peking University Cancer Hospital between January 1996 and December 2011 were collected. All the patients were divided into 5 groups according to primary tumor location: ileocecum in 61 patients(8.5%), ascending colon or hepatic flexure in 126 patients (17...
October 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
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