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https://www.readbyqxmd.com/read/28934828/-treatment-strategies-after-non-curative-endoscopic-resection-of-early-gastric-cancer
#1
REVIEW
Shin Hee Kim, Su Jin Hong
The cases of non-curative endoscopic resection (NCR) of early gastric cancer have increased due to the widespread use of endoscopic submucosal dissection (ESD). NCR is associated with augmenting chances of local recurrence and lymph node metastasis (LNM). Therefore, some additional treatment strategies after NCR are needed. Treatment strategies for NCR should be determined by considering the risk of residual tumor or local recurrence and LNM. Additional surgical treatment such as gastrectomy and lymph node dissection are recommended in patients who have high-risk of LNM...
September 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28934820/-bone-metastases-pathophysiology-diagnostic-testing-and-therapy-part-1
#2
Sebastian Koob, Michael Kehrer, Andreas Strauss, Viktor Janzen, Dieter Christian Wirtz, Jan Schmolders
In Germany and other European countries, cancer is the second most common cause of death after cardiovascular disease. Although 5-year survival rates for several types of cancer have significantly improved over the last 30 years, metastasis to the bone almost always leads to incurable disease. Aside from the rare primary bone tumours, the treatment of bone metastases now accounts for a major part of tumour orthopaedic workload and requires close interdisciplinary coordination between specialists in oncology, radiology and the discipline of the primary tumour entity...
September 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28934284/correlation-of-dapk1-methylation-and-the-risk-of-gastrointestinal-cancer-a-systematic-review-and-meta-analysis
#3
Wenzheng Yuan, Jinhuang Chen, Yan Shu, Sanguang Liu, Liang Wu, Jintong Ji, Zhengyi Liu, Qiang Tang, Zili Zhou, Yifeng Cheng, Bin Jiang, Xiaogang Shu
OBJECTIVE: One of the critical mechanisms of gastrointestinal cancer pathogenesis is the silencing of death associated protein kinase 1 (DAPK1), which could be caused by aberrant methylation of the promoter. However, the relationship between DAPK1 methylation and the risk of gastrointestinal cancer is still controversial. Hence, we conducted this study to determine the potential correlation. METHODS: Eligible publications were searched in the Pubmed, Embase, and Cochrane Library through November 2016 according to the inclusion criteria and exclusion criteria...
2017: PloS One
https://www.readbyqxmd.com/read/28934275/activation-of-phosphatidylinositol-3-kinase-akt-snail-signaling-pathway-contributes-to-epithelial-mesenchymal-transition-induced-multi-drug-resistance-to-sorafenib-in-hepatocellular-carcinoma-cells
#4
Jiejie Dong, Bo Zhai, Weihua Sun, Fengli Hu, Hao Cheng, Jun Xu
Sorafenib, an orally available kinase inhibitor, is the standard first-line systemic drug for advanced hepatocellular carcinoma (HCC), and it exerts potent inhibitory activity against epithelial-mesenchymal transition (EMT) and multidrug resistance (MDR) by inhibiting mitogen-activated protein kinase (MAPK) signaling in HCC. However, after long-term exposure to sorafenib, HCC cells exhibit EMT and resistance to sorafenib. The activation of AKT by sorafenib is thought to be responsible for the development of these characteristics...
2017: PloS One
https://www.readbyqxmd.com/read/28934212/outcome-of-papillary-versus-clear-cell-renal-cell-carcinoma-varies-significantly-in-non-metastatic-disease
#5
Nina Wagener, Dominic Edelmann, Axel Benner, Richard Zigeuner, Hendrik Borgmann, Ingmar Wolff, Laura M Krabbe, Mireia Musquera, Paolo Dell'Oglio, Umberto Capitanio, Tobias Klatte, Luca Cindolo, Matthias May, Sabine D Brookman-May
Renal cell carcinoma (RCC) comprises a heterogenous group of tumors. Traditionally, papillary RCC (pRCC) is associated with a favorable outcome compared to clear cell RCC (ccRCC), while other series report equivalent or worse prognosis. In this paper we comparatively evaluate outcome of pRCC versus ccRCC in two large multi-institutional databases (cohort study), including distribution of pRCC subtypes 1 and 2. Retrospective data of 1,943 surgically treated pRCC patients from 17 European/ North American centers between 1984-2015 were compared to 5,600 ccRCC patients from a database comprising 11 European/ North American centers (1984-2011)...
2017: PloS One
https://www.readbyqxmd.com/read/28934010/down-regulation-of-klf5-in-cancer-associated-fibroblasts-inhibit-gastric-cancer-cells-progression-by-ccl5-ccr5-axis
#6
Tingsong Yang, Min Chen, Yingying Sun, Xiaobing Zhang, Zhou Zhang, Bin Xu, Jie Hua, Zhigang He, Zhenshun Song
It was well known that cancer-associated fibroblasts (CAFs) were an essential factor in tumor progression. However, the actual mechanism of stromal fibroblasts activation and tumor promoting effects remain unclear. Here, we showed that KLF5 expression was more frequently observed in gastric cancer-associated fibroblasts compared with normal mucosal fibroblasts. Moreover, KLF5 expression in tumor stroma was closely associated with clinicopathological features such as tumor size, invasion depth, cell grade and lymph node metastasis, as well as poor prognosis in patients with gastric cancer...
September 21, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28933960/the-mechanisms-of-il-17a-on-promoting-tumor-metastasis
#7
Ling-Ling Xu, Zhi-Jun Li, Xiu-Long Niu, Wei-Min Deng
In recent decades, extensive studies have indicated that IL-17A plays an important role in tumor progression and metastasis, but the underlying mechanisms are not immediately clear. In this review, we examined the literature from the recent years concerning the study of IL-17A in four kinds of tumor transfer paths, including hematogenous metastasis, lymphatic metastasis, local invasion and transcoelomic metastasis, to summarize the roles and underlying mechanisms of IL-17A on tumor metastasis.
September 21, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28933597/microrna-1297-inhibits-the-growth-and-metastasis-of-colorectal-cancer-by-suppressing-cyclin-d2-expression
#8
Yanan Wang, Jinfang Xue, Haoyu Kuang, Xiaojun Zhou, Liya Liao, Fang Yin
microRNAs (miR) can potentially be used for categorizing the various subtypes of colorectal cancer (CRC) and predicting a patient's response to treatment with traditional anti-CRC therapies. We investigated how miR-1297 and its potential target molecule cyclin D2 (CCND2) might affect the progression of CRC. Thirty-two pairs of CRC specimens and corresponding samples of para-tumor tissue were collected and examined for their levels of miR-1297 and CCND2 expression. We also examined miR-1297 and CCND2 expression in cultured SW480 cells...
September 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28933519/skin-metastasis-review-with-conceptual-and-practical-guide
#9
Martin R Dittmer, Vincent Liu
Of the outward manifestations of visceral malignancy, cutaneous metastases are of particular interest for their impact on identification, prognosis, and management of the primary tumor. Their diagnosis is often challenging and requires high clinical suspicion. The infrequency and clinicopathologic variability of cutaneous metastases can impede their recognition by physical exam and even histopathology. This review offers a practical approach to judicious utilization of the full repertoire of clinical and pathologic data in precise characterization of metastases to the skin...
September 20, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28933484/long-non-coding-rna-snhg17-is-an-unfavourable-prognostic-factor-and-promotes-cell-proliferation-by-epigenetically-silencing-p57-in-colorectal-cancer
#10
Zhonghua Ma, Shengying Gu, Min Song, Changsheng Yan, Bingqing Hui, Hao Ji, Jirong Wang, Jianping Zhang, Keming Wang, Qinghong Zhao
Recently, substantial evidence has demonstrated that long non-coding RNAs (lncRNAs) play critical roles in multiple cancers including colorectal cancer (CRC). Utilizing publicly available lncRNA-expression-profiling data from the Gene Expression Omnibus (GEO) dataset GSE21510, we screened SNHG17 as a new candidate lncRNA associated with CRC development and progression. We further demonstrated that SNHG17 was upregulated in CRC tissues, and that its overexpression was significantly correlated with tumor size, TNM stage, and lymph node metastasis in CRC patients...
September 21, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28933369/epigenetic-mechanisms-of-tamoxifen-resistance-in-luminal-breast-cancer
#11
REVIEW
Hany A Abdel-Hafiz
Breast cancer is one of the most common cancers and the second leading cause of cancer death in the United States. Estrogen receptor (ER)-positive cancer is the most frequent subtype representing more than 70% of breast cancers. These tumors respond to endocrine therapy targeting the ER pathway including selective ER modulators (SERMs), selective ER downregulators (SERDs) and aromatase inhibitors (AIs). However, resistance to endocrine therapy associated with disease progression remains a significant therapeutic challenge...
July 6, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28933364/targeting-h19-an-imprinted-long-non-coding-rna-in-hepatic-functions-and-liver-diseases
#12
REVIEW
Chad Pope, Shashank Mishra, Joshua Russell, Qingqing Zhou, Xiao-Bo Zhong
H19 is a long non-coding RNA regulated by genomic imprinting through methylation at the locus between H19 and IGF2. H19 is important in normal liver development, controlling proliferation and impacting genes involved in an important network controlling fetal development. H19 also plays a major role in disease progression, particularly in hepatocellular carcinoma. H19 participates in the epigenetic regulation of many processes impacting diseases, such as activating the miR-200 pathway by histone acetylation to inhibit the epithelial-mesenchymal transition to suppress tumor metastasis...
March 8, 2017: Diseases (Basel)
https://www.readbyqxmd.com/read/28933282/molecular-mechanisms-of-epigenetic-regulators-as-activatable-targets-in-cancer-theranostics
#13
Yinglu Li, Zhiming Li, Wei-Guo Zhu
Epigenetics is defined as somatically inheritable changes that are not accompanied by alterations in DNA sequence. Epigenetics encompasses DNA methylation, covalent histone modifications, non-coding RNA as well as nucleosome remodeling. Notably, abnormal epigenetic changes play a critical role in cancer development including malignant transformation, metastasis, prognosis, drug resistance and tumor recurrence, which can provide effective targets for cancer prognosis, diagnosis and therapy. Understanding these changes provide effective means for cancer diagnosis and druggable targets for better clinical applications...
September 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28933253/the-role-of-p53-microrna-200-moesin-axis-in-invasion-and-drug-resistance-of-breast-cancer-cells
#14
Farheen Alam, Fatima Mezhal, Hussain El Hasasna, Vidhya A Nair, S R Aravind, Maha Saber Ayad, Ahmed El-Serafi, Wael M Abdel-Rahman
This study aimed to analyze the expression of microRNAs in relation to p53 status in breast cancer cells and to delineate the role of Moesin in this axis. We used three isogenic breast carcinoma cell lines MCF7 (with wild-type p53), 1001 (MCF7 with mutated p53), and MCF7-E6 (MCF7 in which p53 function was disrupted). MicroRNA expression was analyzed using microarray analysis and confirmed by real-time polymerase chain reaction. The 1001 clone with mutant p53 showed 22 upregulated and 25 downregulated microRNAs...
September 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28932920/microrna-30a-inhibits-colorectal-cancer-metastasis-through-down-regulation-of-type-i-insulin-like-growth-factor-receptor
#15
Y C Liu, Y R Park, S L Kim, S T Lee, S W Kim
BACKGROUND: miR-30a expression is down-regulated and regulates tumor suppressors in various cancers. AIM: We investigated the mechanisms underlying the biological role of miR-30a in CRC. METHODS: MicroRNA, mRNA, and protein expression were analyzed by quantitative real-time PCR and Western blot. The migration and invasion abilities of CRC were determined by wound healing assay, and trans-well migration and invasion. A luciferase reporter assay was used to confirm the targets of miR-30a...
September 20, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28932842/microfluidic-isolation-of-platelet-covered-circulating-tumor-cells
#16
Xiaocheng Jiang, Keith H K Wong, Aimal H Khankhel, Mahnaz Zeinali, Eduardo Reategui, Matthew J Phillips, Xi Luo, Nicola Aceto, Fabio Fachin, Anh N Hoang, Wooseok Kim, Annie E Jensen, Lecia V Sequist, Shyamala Maheswaran, Daniel A Haber, Shannon L Stott, Mehmet Toner
The interplay between platelets and tumor cells is known to play important roles in metastasis by enhancing tumor cell survival, tumor-vascular interactions, and escape from immune surveillance. However, platelet-covered circulating tumor cells (CTC) are extremely difficult to isolate due to masking or downregulation of surface epitopes. Here we describe a microfluidic platform that takes advantage of the satellite platelets on the surface of these "stealth" CTCs as a ubiquitous surface marker for isolation...
September 21, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28932807/brain-metastasis-in-advanced-serous-borderline-tumor-of-the-ovary-a-case-presentation
#17
Madhuri Martin, Rachel N Grisham, Gulisa Turashvili, Darragh F Halpenny, Carol A Aghajanian, Vicky Makker
•Brain metastasis is an extremely rare secondary site of ovarian cancer metastasis.•Serous borderline tumor with brain metastasis has not been previously reported.•This is a rare case of brain metastasis in a patient with advanced serous borderline tumor.
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28932690/a-case-of-metastatic-collecting-duct-carcinoma-whose-massive-skull-bone-metastasis-was-prominently-reossified-by-gemcitabine-plus-cisplatin-chemotherapy-combined-with-zoledronic-acid
#18
Makoto Kawaguchi, Keiichi Ito, Hideyuki Shimazaki, Tomohiko Asano
The present case underwent right laparoscopic radical nephrectomy for collecting duct carcinoma (CDC). Recurrence occurred in the lung and the bone (skull and lumber vertebra) in 2011. Gemcitabine plus cisplatin (GC) chemotherapy and monthly zoledronic acid (ZA) was then started. The massive skull bone metastases were prominently reossified after several courses of the therapy. The patient received 16 courses of GC chemotherapy and monthly ZA, and pulmonary metastases and reossified skull bone metastases were stable for 23 months...
November 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28932634/pd1-positive-tumor-infiltrating-lymphocytes-are-associated-with-poor-clinical-outcome-after-pulmonary-metastasectomy-for-colorectal-cancer
#19
Dagmar Kollmann, Thomas Schweiger, Stefan Schwarz, Desislava Ignatova, Yun-Tsan Chang, Gerrit Lewik, Sebastian F Schoppmann, Wolfram Hoetzenecker, Walter Klepetko, Emmanuella Guenova, Konrad Hoetzenecker
Pulmonary metastasectomy (PM) is routinely performed in colorectal cancer (CRC) patients with oligometastatic spreading to the lungs. Patients with an aggressive tumor phenotype should be excluded from PM, since its benefit is outweighed by early tumor recurrence and impaired prognosis. Expression of PD-1 and its ligands are prognostic factors in a variety of primary tumors. However, their impact on patients' outcome in the setting of PM for CRC has not been evaluated before. 53 CRC patients with pulmonary metastases receiving PM with curative intent were included in this study...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28932633/cd163-positive-tumor-associated-macrophages-and-cd8-positive-cytotoxic-lymphocytes-are-powerful-diagnostic-markers-for-the-therapeutic-stratification-of-osteosarcoma-patients-an-immunohistochemical-analysis-of-the-biopsies-fromthe-french-os2006-phase-3-trial
#20
Anne Gomez-Brouchet, Claire Illac, Julia Gilhodes, Corinne Bouvier, Sébastien Aubert, Jean-Marc Guinebretiere, Béatrice Marie, Frédérique Larousserie, Natacha Entz-Werlé, Gonzague de Pinieux, Thomas Filleron, Véronique Minard, Vincent Minville, Eric Mascard, François Gouin, Marta Jimenez, Marie-Cécile Ledeley, Sophie Piperno-Neumann, Laurence Brugieres, Françoise Rédini
The French phase 3 trial (OS 2006) testing zoledronic acid, an osteoclast inhibitor, with chemotherapy and surgery did not improve the outcome of patients with osteosarcoma (OS). To understand this unexpected result, the presence of infiltrating immune cells was investigated in 124 pre-therapeutic biopsies of patients enrolled in the trial. The percentage of CD68/CD163 tumor-infiltrating macrophages (TAMs), CD8(+) lymphocytes, osteoclasts, and the PD1/PDL-1 checkpoint were assessed by immunohistochemistry. M1/M2 macrophage polarization was characterized by pSTAT1/CMAF staining...
2017: Oncoimmunology
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