نتایج جستجو برای: gep

تعداد نتایج: 1256  

Journal: :Statistics and Computing 2005
Alain Desgagné Jean-François Angers

In this paper, the generalized exponential power (GEP) density is proposed as an importance function in Monte Carlo simulations in the context of estimation of posterior moments of a location parameter. This density is divided in five classes according to its tail behaviour which may be exponential, polynomial or logarithmic. The notion of p-credence is also defined to characterize and to order...

2016
Shuangtao Zhao Xiaoli Dong Wenzhi Shen Zhen Ye Rong Xiang

Gene expression profiling (GEP) had divided the diffuse large B-cell lymphoma (DLBCL) into molecular subgroups: germinal center B-cell like (GCB), activated B-cell like (ABC), and unclassified (UC) subtype. However, this classification with prognostic significance was not applied into clinical practice since there were more than 1000 genes to detect and interpreting was difficult. To classify c...

Journal: :European journal of endocrinology 1999
A Ciofu E Baudin P Chanson A F Cailleux E Comoy J C Sabourin M Ducreux G Schaison M Schlumberger

OBJECTIVE Amine precursor uptake and decarboxylation is a classical feature of gastroenteropancreatic (GEP) neuroendocrine tumors (NET). Production of catecholamines was studied in GEP NET and non-NET patients. DESIGN A cross-sectional study was undertaken. METHODS We studied catecholamine and metabolite secretion in 115 consecutive GEP NET patients and in 20 patients with non-NET. After sp...

2011
Dongmei Zhang Yang Li Chengjun Li Jianquan Bao

Because of the limited environmental monitoring stations, the spatial data we have obtained by monitoring is local, discrete and limited. Therefore, speculating the environmental pollution parameters without monitoring station by using known monitoring data for spatial interpolation has become a hot research topic. In our preliminary work, an approach combining Genetic Expression Programming (G...

Journal: :Endokrynologia Polska 2012
Jolanta Blicharz-Dorniak Beata Kos-Kudła Wanda Foltyn Dariusz Kajdaniuk Bogdan Marek Anna Zemczak Janusz Strzelczyk

INTRODUCTION Gastroenteropancreatic (GEP) and bronchopulmonary (BP) neurendocrine neoplasms (NENs) are rare and slowly growing tumours. Matrix metalloproteinases (MMPs) degrade extracellular matrix and are responsible for invasion and metastasis. Tissue inhibitors of matrix metalloproteinases (TIMPs) affect the invasiveness of tumour cells and the formation of distant metastases. The aim of thi...

2017
Cheng Fang Wei Wang Yu Zhang Xingyu Feng Jian Sun Yujie Zeng Ye Chen Yong Li Minhu Chen Zhiwei Zhou Jie Chen

BACKGROUND Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are a heterogeneous group of rare tumors. Many issues in terms of epidemiologic features, pathogenesis, and treatment of GEP-NENs are still under discussion. Our study aimed to analyze the clinicopathologic characteristics and prognosis of Chinese patients with GEP-NENs. METHODS Complete clinicopathologic data and survival ...

2017
Meng Zhang Ping Zhao Xiaodan Shi Ahong Zhao Lianfeng Zhang Lin Zhou

BACKGROUND Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are the most common type of neuroendocrine tumors, accounting for more than half of neuroendocrine neoplasms (NENs). We performed a retrospective study in our center to investigate the clinicopathological features, risk factors of metastasis, and prognosis of GEP-NENs in a Chinese population. METHODS Four hundred forty pati...

Journal: :BMC endocrine disorders 2016
Doris T Chan Andrea O Y Luk W Y So Alice P S Kong Francis C C Chow Ronald C W Ma Anthony W I Lo

BACKGROUND There is rising incidence of gastroenteropancreatic neuroendocrine tumours (GEP- NETs) in many parts of the world, but epidemiological data from Asian populations is rare. METHODS We conducted a retrospective study in a tertiary medical centre in Hong Kong, using updated diagnostic criteria. The presentation, clinical features, and disease outcome were reviewed for all patients wit...

2008
Giancarlo Bigi Marco Castellani Gábor Kassay

The aim of this paper is to introduce and study a dual problem associated to a generalized equilibrium problem (GEP). We show that the solutions of (GEP) and its dual are strictly related to the saddle points of an associated Lagrangian function, and, under some suitable conditions, to the solutions of a family of parametric optimization problems and their dual problems. Our results allow us to...

Journal: :Current oncology 2017
M A O'Brien S Dhesy-Thind C Charles M Hammond Mobilio N B Leighl E Grunfeld

PURPOSE Advances in personalized medicine have produced novel tests and treatment options for women with breast cancer. Relatively little is known about the process by which such tests are adopted into oncology practice. The objectives of the present study were to understand the experiences of medical oncologists with multigene expression profile (gep) tests, including their adoption into pract...

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