نتایج جستجو برای: total npc

تعداد نتایج: 804305  

2017
Xianyue Ren Xiaojing Yang Bin Cheng Xiaozhong Chen Tianpeng Zhang Qingmei He Bin Li Yingqin Li Xinran Tang Xin Wen Qian Zhong Tiebang Kang Musheng Zeng Na Liu Jun Ma

Nasopharyngeal carcinoma (NPC) is characterized by a high rate of local invasion and early distant metastasis. Increasing evidence indicates that epigenetic abnormalities play important roles in NPC development. However, the epigenetic mechanisms underlying NPC metastasis remain unclear. Here we investigate aberrantly methylated transcription factors in NPC tissues, and we identify the HOP home...

Journal: :Saudi medical journal 2014
Xin-Hua Xu Yang Liu

Nasopharyngeal carcinoma (NPC) is a polygenic disease related to a variety of factors. With the development of the microRNAs (miRNAs) technique, researchers found a close link between miRNAs and NPC. Differentially expressed miRNAs exist in NPC and normal nasopharyngeal tissues; radiotherapy and chemotherapy also affect the expression of miRNAs in NPC tissues. Further studies showed that dysreg...

2016
Yangkun Luo Jing Ren Peng Zhou Yang Gao Guangquan Yang Jinyi Lang

PURPOSE Most nasopharyngeal carcinoma (NPC) patients present with locoregionally advanced disease at the time of diagnosis; however, there is a lack of consensus on specific prognostic factors potentially improving overall survival, especially in late-stage disease. Herein, we conducted a retrospective study to evaluate various potential prognostic factors in order to provide useful information...

2016
Bo-Ching Lee Ruoh-Fang Yen Cheng-Li Lin Ji-An Liang Ming-Chia Lin Chia-Hung Kao

This study evaluated the pregnancy incidence in female nasopharyngeal carcinoma (NPC) survivors of reproductive age.In a nationwide cohort, 2816 female patients 15 to 50 years of age from 1998 to 2010 were identified from the Taiwan National Health Insurance Research database. Comorbidities, complications during pregnancy, and delivery status were recorded. All patients were followed up until a...

Journal: :Journal of clinical microbiology 1990
Y S Chang Y S Tyan S T Liu M S Tsai C C Pao

The presence of Epstein-Barr virus (EBV) DNA sequences was examined by the polymerase chain reaction in 50 nasopharyngeal carcinoma (NPC) biopsy specimens and in two primary epithelial tumor cell cultures derived from patients with NPC. The detection limit was a single EBV genome equivalent by agarose gel electrophoresis followed by Southern blot analysis of the amplified products. EBV DNA sequ...

Journal: :Molecular cancer therapeutics 2014
Sumei Wang Rong Zhang Francois X Claret Huiling Yang

Nasopharyngeal carcinoma (NPC) is a malignant tumor originating in the epithelium. Radiotherapy is the standard therapy, but tumor resistance to this treatment reduces the 5-year patient survival rate dramatically. Studies are urgently needed to elucidate the mechanism of NPC radioresistance. Epigenetics--particularly microRNAs (miRNA) and DNA methylation--plays an important role in carcinogene...

2014
Sumei Wang Rong Zhang Francois X. Claret Huiling Yang

Nasopharyngeal carcinoma (NPC) is a malignant tumor originating in the epithelium. Radiotherapy is the standard therapy, but tumor resistance to this treatment reduces the 5-year patient survival rate dramatically. Studies are urgently needed to elucidate the mechanism of NPC radioresistance. Epigenetics—particularly microRNAs (miRNA) andDNAmethylation—plays an important role in carcinogenesis ...

2010
Raffaella Melzi Barbara Antonioli Alessia Mercalli Manuela Battaglia Andrea Valle Stefano Pluchino Rossella Galli Valeria Sordi Emanuele Bosi Gianvito Martino Ezio Bonifacio Claudio Doglioni Lorenzo Piemonti

BACKGROUND Data available on the immunomodulatory properties of neural stem/precursor cells (NPC) support their possible use as modulators for immune-mediated process. The aim of this study was to define whether NPC administered in combination with pancreatic islets prevents rejection in a fully mismatched allograft model. METHODOLOGY/PRINCIPAL FINDING Diabetic Balb/c mice were co-transplante...

ژورنال: :سلول و بافت 0

هدف: کورکومین یک رنگیزه زرد است که از زردچوبه به دست می آید. دارای خواص ضد سرطانی وآنتی اکسیدانی می‏باشد و احتمال می‏رود که نقش به سزایی در جلوگیری از بیماری‏های تحلیل برنده مغز ایفا کند. اما تاکنون اثرات آن بر روی سیستم عصبی در دوران جنینی به خوبی مطالعه نشده است. در این مطالعه اثر کورکومین بر سلول‏های پروژنیتور عصبی (npc) کورتکس جنین رت درشرایط محیط کشت (in vitro) بررسی شده است. مواد و روش‏ها...

2012
Pei Lin Wei-Ren Luo Jia-Hong Wang Chun-Yue Huang Shi-Jun Chen Hong-Min Xu Kai-Tai Yao Zhong-Xi Huang

Background Nasopharyngeal carcinoma, common in Southeast Asia, is mainly a non-keratinizing, squamous cell carcinoma (NK-NPC) and clinically heterogeneous. Methods Herein, we analyzed three human gene expression microarray datasets characterizing 81 NK-NPC tumors and 21 normal nasopharyngeal (NP) tissues to identify molecular subtypes of NK-NPC. In one of the datasets, QRT-PCR measurement of ex...

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