نتایج جستجو برای: رهیافت مرزی تصادفی sfa

تعداد نتایج: 123650  

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2009
Kanta Chechi John J McGuire Sukhinder K Cheema

We have previously shown that a maternal high-fat diet, rich in saturated fatty acids (SFA), alters the lipid metabolism of their adult offspring. The present study was designed to investigate 1) whether alterations in hepatic LDL-receptor (LDL-r) expression may serve as a potential mechanism of developmental programming behind the altered lipid metabolism of the offspring, 2) whether altered l...

Journal: :The British journal of nutrition 2009
Juan Antonio Moreno Francisco Pérez-Jiménez Rafael Moreno-Luna Pablo Pérez-Martínez Francisco Fuentes-Jiménez Carmen Marín Henri Portugal Denis Lairon José López-Miranda

The interindividual variation in ApoE plasma concentration is considerable, mainly determined by apoE genotype and sex. However, a large amount of variability remains unexplained by these factors. We have evaluated whether the quantity and quality of dietary fat interacts with the apoE genotype and sex modifying ApoE plasma levels in young healthy subjects. Eighty-four volunteers (sixty-six apo...

Journal: :Journal of Machine Learning Research 2013
Wendelin Böhmer Steffen Grünewälder Yun Shen Marek Musial Klaus Obermayer

Linear reinforcement learning (RL) algorithms like least-squares temporal difference learning (LSTD) require basis functions that span approximation spaces of potential value functions. This article investigates methods to construct these bases from samples. We hypothesize that an ideal approximation spaces should encode diffusion distances and that slow feature analysis (SFA) constructs such s...

Journal: :The American journal of clinical nutrition 2015
Lauren C Blekkenhorst Richard L Prince Jonathan M Hodgson Wai H Lim Kun Zhu Amanda Devine Peter L Thompson Joshua R Lewis

BACKGROUND The reduction of saturated fatty acid (SFA) intake has been the basis of long-standing dietary recommendations. However, recent epidemiologic studies have reported conflicting evidence in the relation between SFA consumption and risk of atherosclerotic vascular disease (ASVD) mortality. OBJECTIVE We investigated the association of SFA intake with serum lipid profiles and ASVD morta...

Journal: :The American journal of clinical nutrition 2010
Jeremiah Stamler

1) In univariate analyses of population-based observational data, are there direct relations of dietary SFAs to CHD? 2) In multivariate analyses controlled for possible confounders, are there independent direct relations of dietary SFAs to CHD? 3) Is the SFA-CHD relation similar for ‘‘hard’’ fatal CHD and ‘‘soft’’ total CHD? 4) Do limitations in quality of dietary data in epidemiologic studies ...

Journal: :Journal of virology 1996
H Hasegawa Y Utsunomiya K Kishimoto K Yanagisawa S Fujita

A novel cellular gene termed SFA-1 was isolated by differential hybridization of a cDNA library, using probes obtained from an adult T-cell leukemia cell line in comparison with probes obtained from normal CD4+ T cells and the MOLT-4 cell line. The mRNA of the SFA-1 gene is approximately 1.6 kb in size and encodes a protein of 253 amino acids, containing four putative transmembrane domains, a n...

2014
Jason Litsky Arijit Chanda Erik Stilp Alexandra Lansky Carlos Mena

The endovascular management of obstructive disease of the superficial femoral artery (SFA) is challenging due to unique anatomical and biomechanical forces. Obstructive lesions of the SFA make up the largest proportion of lesions leading to symptomatic peripheral arterial disease. Accordingly, endovascular treatment of SFA disease is becoming increasingly common and, in many cases, is the prefe...

Journal: :Journal of lipid research 2010
So-Ra Oh Ok-Joo Sul Youn-Young Kim Hye-Jin Kim Rina Yu Jae-Hee Suh Hye-Seon Choi

Hyperlipidemia and marrow fat are associated with lowering bone density in vivo, suggesting that lipid contributes to bone loss. Using bone marrow-derived macrophages, we investigated the effect of saturated fatty acids (SFA) on osteoclastogenesis. The level of free fatty acids and adiposity in bone marrow was significantly elevated in obese mice. SFA increased osteoclast (OC) survival by preve...

ژورنال: :پژوهش های اقتصادی ایران 0

هدف این مقاله، اندازه گیری کارایی فنی و تعیین عوامل موثر بر آن برای شرکتهای بیمه در ایران است. بدین منظور، از تابع مرزی تصادفی در قالب دو الگوی خطای ترکیبی مرزی بتیس و کولی (1992) و اثر ناکارایی فنی بتیس و کولی (1995) استفاده شده است. پارامترهای هر دو الگو بر اساس روش حداکثر درست نمایی برآورد شده اند. در آمد حق بیمه دریافتی و درآمد سرمایه گذاری به عنوان دو ستاده اصلی صنعت بیمه در نظر گرفته شده ...

Journal: :The Journal of Experimental Medicine 1974
Jorma Wartiovaara Ewert Linder Erkki Ruoslahti Antti Vaheri

The localization of a cell type-specific, soluble fibroblast surface antigen (SFA) was studied by immunofluorescence and by scanning electron microscopy of the same cells. The antigen had an uneven distribution forming streaks on chick embryo fibroblasts. It was localized to membrane processes and ridges, with a diameter of 50-200 nm. The processes extended from the periphery of the cells to th...

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