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https://www.readbyqxmd.com/read/28241429/current-insights-into-long-non-coding-rnas-lncrnas-in-prostate-cancer
#1
REVIEW
Maria A Smolle, Thomas Bauernhofer, Karl Pummer, George A Calin, Martin Pichler
The importance of long non-coding RNAs (lncRNAs) in the pathogenesis of various malignancies has been uncovered over the last few years. Their dysregulation often contributes to or is a result of tumour progression. In prostate cancer, the most common malignancy in men, lncRNAs can promote castration resistance, cell proliferation, invasion, and metastatic spread. Expression patterns of lncRNAs often change during tumour progression; their expression levels may constantly rise (e.g., HOX transcript antisense RNA, HOTAIR), or steadily decrease (e...
February 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241022/prognostic-impact-of-pretherapeutic-gamma-glutamyltransferase-on-patients-with-nasopharyngeal-carcinoma
#2
Yue-Feng Wen, Xian-Zi Yang, Li-Si Zeng, Hai-Hua Peng, Wen-Jin Huang, Long-Mei Cai, Tong-Chong Zhou, Xiao-Dan Lin
BACKGROUND: Gamma-glutamyltransferase (GGT) is a membrane-bound enzyme involved in the metabolism of glutathione. Studies suggested that GGT played an important role in the tumor development, progression, invasion and drug resistance and prognosis. The association between GGT and prognosis of patients with nasopharyngeal carcinoma (NPC) was unknown. This study was conducted to investigate the association of pretherapeutic serum level of GGT with clinical-pathological parameters and survival in patients with NPC...
2017: PloS One
https://www.readbyqxmd.com/read/28240745/the-biological-and-prognostic-significance-of-angiotropism-in-uveal-melanoma
#3
Raymond L Barnhill, Mengliang Ye, Aude Batistella, Marc-Henri Stern, Sergio Roman-Roman, Rémi Dendale, Olivier Lantz, Sophie Piperno-Neumann, Laurence Desjardins, Nathalie Cassoux, Claire Lugassy
Angiotropism is a marker of extravascular migration of melanoma cells along vascular and other structures and a prognostic factor in cutaneous melanoma. Because of this biological and prognostic importance in cutaneous melanoma, angiotropism was studied in uveal melanoma (UM). This retrospective study performed at a single ocular oncology referral center included 89 patients from the study period 2006-2008. All patients were diagnosed with UM from the choroid and/or ciliary body. All patients underwent enucleation for prognostic purposes and definitive therapy...
February 27, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28240670/a-rare-case-of-omentum-invasive-prostate-cancer-staging-with-psma-pet-ct-imaging-and-response-to-systemic-therapy
#4
Rahul Ladwa, Sonja Gustafson, Elizabeth McCaffrey, Kenneth Miles, Kenneth O'Byrne
The omentum is a rare metastatic site for prostatic adenocarcinoma. We present a case of metastatic castrate-resistant prostate cancer, with progressive omentum invasive prostate cancer identified on prostate-specific membrane antigen (PSMA) PET/CT scan. Omental biopsy revealed metastatic prostate adenocarcinoma, and cabazitaxel chemotherapy was instituted with a prostate-specific antigen biochemical response. Repeat PSMA PET/CT imaging revealed increased avidity in omental metastasis. Despite prostate-specific antigen response, PSMA PET/CT did not correlate with a therapeutic response...
February 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28240050/ldoc1-regulates-wnt5a-expression-and-osteosarcoma-cell-metastasis-and-is-correlated-with-the-survival-of-osteosarcoma-patients
#5
Bi-Cheng Yong, Jin-Chang Lu, Xian-Biao Xie, Qiao Su, Ping-Xian Tan, Qing-Lian Tang, Jing Wang, Gang Huang, Ju Han, Hong-Wen Xu, Jing-Nan Shen
Osteosarcomas are common bone malignancies in children and adolescents. LDOC1 (leucine zipper, down-regulated in cancer 1), a tumor suppressor, is down-regulated in many cancers. In this study, we investigated the role of LDOC1 in tumor metastasis and its prognostic significance in osteosarcomas. We established osteosarcoma cells stably expressing LDOC1, driven by an HIV-based lentiviral system. We investigated the impact of LDOC1 on migration and invasion abilities in these cells using a transwell assay. LDOC1-associated changes in expression of metastasis-promoting genes were analyzed with a quantitative real-time polymerase chain reaction primer array...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28239957/activating-transcription-factor-3-promotes-malignance-of-lung-cancer-cells-in-vitro
#6
Xuebing Li, Xuexia Zhou, Yongwen Li, Lingling Zu, Hongli Pan, Boning Liu, Wang Shen, Yaguang Fan, Qinghua Zhou
BACKGROUND: Lung cancer remains the most common cause of cancer-related death, with high rates of recurrence and poor outcomes. An abnormally high expression of activating transcription factor 3 (ATF3) in various cancers suggests an oncogenic role; however, its function in lung cancer is largely unknown. METHODS: Sixty-four pairs of lung cancer tissues were collected for ATF3 expression analysis by quantitative real-time PCR, immunoblotting, and immunohistochemistry staining...
February 27, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28239820/long-non-coding-rna-neat1-acts-as-oncogene-in-nsclc-by-regulating-the-wnt-signaling-pathway
#7
S-J Sun, Q Lin, J-X Ma, W-W Shi, B Yang, F Li
OBJECTIVE: The present study aimed to explore the role of long non-coding RNA NEAT1 (NEAT1) in mediating non-small cell lung cancer (NSCLC) cell migration and invasion, as well as the underlying regulatory mechanisms. PATIENTS AND METHODS: The NEAT1 expression in NSCLC tissues and cell lines was measured using reverse transcription‑quantitative polymerase chain reaction (RT-qPCR). The relationships between NEAT1 expression and clinicopathological parameters were examined by chi-square test...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28239645/pml-promotes-metastasis-of-triple-negative-breast-cancer-through-transcriptional-regulation-of-hif1a-target-genes
#8
Manfredi Ponente, Letizia Campanini, Roberto Cuttano, Andrea Piunti, Giacomo A Delledonne, Nadia Coltella, Roberta Valsecchi, Alessandra Villa, Ugo Cavallaro, Linda Pattini, Claudio Doglioni, Rosa Bernardi
Elucidating the molecular basis of tumor metastasis is pivotal for eradicating cancer-related mortality. Triple-negative breast cancer (TNBC) encompasses a class of aggressive tumors characterized by high rates of recurrence and metastasis, as well as poor overall survival. Here, we find that the promyelocytic leukemia protein PML exerts a prometastatic function in TNBC that can be targeted by arsenic trioxide. We found that, in TNBC patients, constitutive HIF1A activity induces high expression of PML, along with a number of HIF1A target genes that promote metastasis at multiple levels...
February 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28239297/up-regulation-of-crkl-by-microrna-335-methylation-is-associated-with-poor-prognosis-in-gastric-cancer
#9
Jia-Kui Zhang, Yong-Shuang Li, Chun-Dong Zhang, Dong-Qiu Dai
BACKGROUND: MicroRNAs have been suggested to play a vital role in regulating carcinogenesis, tumor progression and invasion. MiR-335 is involved in suppressing metastasis and invasion in various human cancers. However, the mechanisms responsible for the aberrant expression of miR-335 in gastric cancer (GC) remain unknown. METHODS: Expression of miR-335 in four GC cell lines and 231 GC tissues was determined by real-time quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR)...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28239051/microrna-expression-profiling-in-canine-prostate-cancer
#10
Masanori Kobayashi, Akiko Saito, Yoshikazu Tanaka, Masaki Michishita, Masato Kobayashi, Mami Irimajiri, Takeharu Kaneda, Kazuhiko Ochiai, Makoto Bonkobara, Kimimasa Takahashi, Tatsuya Hori, Eiichi Kawakami
Canine prostate cancer (cPCa) is an untreatable malignant neoplasm resulting in local tissue invasion and distant metastasis. MicroRNAs (miRs) are small non-coding RNAs that function as oncogenes or tumor suppressors. The purpose of this study was to characterize the expression of miRs that are altered in cPCa tissue. The expression levels of 277 mature miRs in prostatic tissue (n=5, respectively) were compared between the non-tumor and tumor groups using real-time PCR. Five miRs (miR-18a, 95, 221, 222 and 330) were up-regulated, but 14 miRs (miR-127, 148a, 205, 299, 329b, 335, 376a, 376c, 379, 380, 381, 411, 487b and 495) were down-regulated specifically in cPCa (P<0...
February 27, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28238469/role-of-laminin-332-in-lymph-node-metastasis-of-papillary-thyroid-carcinoma
#11
Kyoung Ho Oh, June Choi, Jeong-Soo Woo, Seung Kuk Baek, Kwang Yoon Jung, Min Ji Koh, Young-Sik Kim, Soon Young Kwon
OBJECTIVE: The invasiveness of papillary thyroid carcinoma (PTC), including the occurrence of cervical lymph node metastasis, is the main determining factors contributing to recurrence and poor prognosis. Laminin 332 is a glycoprotein involved in cell migration and cancer cell invasion into surrounding tissues and is therefore related to poor prognosis in many cancers. Here, we investigated the expression and role of laminin 332 in PTC and examine the possibility that laminin 332 could be involved in the invasiveness of PTC...
February 23, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28237784/differences-in-ki67-expressions-between-pre-and-post-neoadjuvant-chemotherapy-specimens-might-predict-early-recurrence-of-breast-cancer
#12
Emi Tokuda, Yoshiya Horimoto, Atsushi Arakawa, Takanori Himuro, Koji Senuma, Katsuya Nakai, Mitsue Saito
The prognosis of breast cancer patients not obtaining a pathological complete response (pCR) with neoadjuvant chemotherapy (NAC) is poorer than that of pCR patients. Identifying new prognostic factors for non-pCR patients is important because fractions of this population might benefit from novel adjuvant treatments currently under development. High Ki67 expression in remnant disease after NAC has been described as a poor prognostic factor. Studies have shown that a reduction in Ki67 expression is more often observed in good responders to chemotherapy...
February 22, 2017: Human Pathology
https://www.readbyqxmd.com/read/28237576/glucose-derived-ages-promote-migration-and-invasion-of-colorectal-cancer-by-up-regulating-sp1-expression
#13
Ruyuan Deng, Huo Wu, Hui Ran, Xiang Kong, Lei Hu, Xiao Wang, Qing Su
It is well established that the risk of colorectal cancer (CRC) is significantly increased in diabetic patients. As one of main forms of the advanced glycation end products (AGEs) that accumulate in vivo, glucose-derived AGEs play an important role in the pathogenesis of diabetic complications and may contribute to CRC progression. However, to date, both the contribution of glucose-derived AGEs to the course of CRC and the underlying mechanism are unclear. In the present study, the concentration of glucose-derived AGEs in the serum and tumor tissue of patients with CRC increased...
February 22, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28237246/sipa1-promotes-invasion-and-migration-in-human-oral-squamous-cell-carcinoma-by-itgb1-and-mmp7
#14
Toshikazu Takahara, Atsushi Kasamatsu, Masanobu Yamatoji, Manabu Iyoda, Hiroki Kasama, Tomoaki Saito, Shin Takeuchi, Yosuke Endo-Sakamoto, Masashi Shiiba, Hideki Tanzawa, Katsuhiro Uzawa
Signal-induced proliferation-associated protein 1 (SIPA1) is known to be a GTPase activating protein. Overexpressed SIPA1 is related to metastatic progression in breast and prostate cancers; however, the relevance of SIPA1 in oral squamous cell carcinoma (OSCC) is still unknown. The aim of this study was to examine SIPA1 expression and its functional mechanisms in OSCC. SIPA1 mRNA and protein expressions were analyzed by quantitative reverse transcriptase-polymerase chain reaction, Western blot analysis, and immunohistochemistry...
February 22, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28237093/mir-26a-enhances-invasive-capacity-by-suppressing-gsk3%C3%AE-in-human-lung-cancer-cells
#15
Gaoyang Lin, Boning Liu, Zhaowei Meng, Yunde Liu, Xuebing Li, Xiang Wu, Qinghua Zhou, Ke Xu
Lung cancer is the common cause of death from cancer, and most lung cancer patients die of metastasis. MicroRNAs (miRNAs) function as either oncogenes or tumor suppressors, playing crucial role not only in tumorigenesis, but also in tumor invasion and metastasis. There are several studies showed that miR-26a is involved in carcinogenesis, however, its role in tumor metastasis need to be elucidated. In this study, we showed that ectopic expression of miR-26a enhanced migration and invasion of lung cancer cells...
February 21, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28236704/jumonji-domain-containing-2c-promotes-cell-migration-and-invasion-through-modulating-cul4a-expression-in-lung-cancer
#16
Na Li, Dazhi Jiang
Jumonji domain containing 2C (JMJD2C), also named as KDM4C, was found to a transcriptional cofactor and enzyme that catalyzes demethylation of histone H3 lysine 9 and 36. Here in this study, we found that the expression of JMJD2C increased in a majority of the human lung cancer tissues examined compared with adjacent tissues. Furthermore, the expression of JMJD2C was found to be higher in metastatic lung cancer tissues than which in non-metastatic lung cancer tissues. Knockdown of JMJD2C inhibited the ability of migration and invasion of lung cancer cells...
February 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28236366/correlating-the-depth-of-invasion-at-specific-anatomic-locations-with-the-risk-for-regional-metastatic-disease-to-lymph-nodes-in-the-neck-for-oral-squamous-cell-carcinoma
#17
Hans C Brockhoff, Roderick Y Kim, Thomas M Braun, Christos Skouteris, Joseph I Helman, Brent B Ward
BACKGROUND: The purpose of this study was to investigate the critical primary tumor depth of invasion in oral squamous cell carcinoma that would lead to a 20% or greater risk of nodal metastasis. METHODS: An institutional review board approved retrospective review of our head and neck database was performed from 2009 to 2014 and the data were statistically analyzed. RESULTS: Two hundred eighty-six patients with a diagnosis of oral squamous cell carcinoma who met our inclusion criteria underwent primary excision and neck dissection...
February 25, 2017: Head & Neck
https://www.readbyqxmd.com/read/28236153/expression-of-stromal-caveolin-1-may-be-a-predictor-for-aggressive-behaviour-of-breast-cancer
#18
Nuket Eliyatkin, Safiye Aktas, Gulden Diniz, Halil Hakan Ozgur, Zubeyde Yildirim Ekin, Ali Kupelioglu
Caveolin-1 (Cav-1) is well known as a principal scaffolding protein of caveolae which are specialized plasma membrane structures. The role of Cav-1 in tumorigenesis of breast cancers is relatively less studied. The aim of the present study is to describe the biological roles of Cav-1 in breast cancers considering its contrasting dual functions as an oncogene and as a tumor suppressor. This study included 71 females with breast cancer who had been histopathologically diagnosed in Private Gunes Pathology Laboratory between the years 2007, and 2012...
February 24, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28236103/minimally-invasive-treatments-of-painful-bone-lesions-state-of-the-art
#19
Antonio Barile, Francesco Arrigoni, Luigi Zugaro, Marcello Zappia, Roberto Luigi Cazzato, Julien Garnon, Nitin Ramamurthy, Luca Brunese, Afshin Gangi, Carlo Masciocchi
The role of the interventional radiology (IR) in the musculoskeletal system, and in particular in the bone, is a field of knowledge that is growing significantly in the last years with indications for treatment of both benign and malign lesions. In this paper, we review the state of the art of this application of the IR in the bone (bone metastasis and benign bone lesions) with discussion about all the techniques today used.
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28235899/dual-targeting-of-mesenchymal-and-amoeboid-motility-hinders-metastatic-behavior
#20
Brandon C Jones, Laura C Kelley, Yuriy V Loskutov, Kristina M Marinak, Varvara K Kozyreva, Matthew B Smolkin, Elena N Pugacheva
: Commonly upregulated in human cancers, the scaffolding protein NEDD9/HEF1 is a known regulator of mesenchymal migration and cancer cell plasticity. However, the functional role of NEDD9 as a regulator of different migration/invasion modes in the context of breast cancer metastasis is currently unknown. Here, it is reported that NEDD9 is necessary for both mesenchymal and amoeboid individual cell migration/invasion in triple-negative breast cancer (TNBC). NEDD9 deficiency results in acquisition of the amoeboid morphology, but severely limits all types of cell motility...
February 24, 2017: Molecular Cancer Research: MCR
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