نتایج جستجو برای: sirt

تعداد نتایج: 742  

2017
Maryam Mazaherioun Ahmad Saedisomeolia Mohammad Hassan Javanbakht Fariba Koohdani Mohammad Reza Eshraghian Mahmoud Djalali

INTRODUCTION There is evidence that n-3 polyunsaturated fatty acids (n-3 PUFAs) exert beneficial effects to improve type 2 diabetes mellitus (T2DM), but its complications remain poorly understood. Hypoadiponectinemia is one of the important mechanisms responsible for T2DM which necessitates developing novel therapeutic strategies. We aimed to determine the effect of n-3 PUFA supplementation on ...

Journal: : 2023

Aim: To evaluate the effects of Astaxanthin (ATX), known for its antioxidant properties, on kidneys rats given radiation by biochemical measuring total oxidant level (TOS), (TAS), immunohistochemically Cas3 (Cysteine Aspartate Specific ProteASEs), TNF-α (Tumor necrosis factor-alpha), and molecularly P53, SIRT (Sirtuin -1) pathways.
 
 Materials Methods: The were divided into 4 groups ...

Journal: :Mobile Networks and Applications 2022

In MANET, routing plays a vital role in packet interaction and data transmission. It is always easy to manage the transmission over MANET because of uncentralized control on nodes. Since efficient route controls packets does not simplify between source destination. Hence maintenance becomes crucial process. Methods: critical enhance decrease attacker sustain successful transfers via Network. ot...

2011
Dan Zhang Yufei Liu Danica Chen

Aging is one of the most fundamental biological processes. It results in a decline in physiological function and an increased risk for pernicious diseases such as cancer. Oxidative stress has been proposed as a major cause of aging, but experimental tests of this hypothesis have been discouraging. Calorie restriction (CR) prevents age-related decline, but there are still gaps in our knowledge o...

2006
Jenna Tong

A new algorithm for computing electron microscopy tomograms which combines iterative methods with dual-axis geometry is presented. Initial modelling using test data shows several improvements over both the weighted back-projection (WBP) and Simultaneous Iterative Reconstruction Technique (SIRT) method, and, with increased stability and tomogram fidelity under high-noise conditions.

Journal: :SIAM J. Scientific Computing 2012
Tommy Elfving Per Christian Hansen Touraj Nikazad

We give a detailed study of the semiconvergence behavior of projected nonstationary simultaneous iterative reconstruction technique (SIRT) algorithms, including the projected Landweber algorithm. We also consider the use of a relaxation parameter strategy, proposed recently for the standard algorithms, for controlling the semiconvergence of the projected algorithms. We demonstrate the semiconve...

2015
Jens M. Theysohn Marcus Ruhlmann Stefan Müller Alexander Dechene Jan Best Johannes Haubold Lale Umutlu Guido Gerken Andreas Bockisch Thomas C. Lauenstein Chin-Tu Chen

PURPOSE Selective Internal Radiation Therapy (SIRT) with 90yttrium (Y-90) is an increasingly used therapeutic option for unresectable liver malignancies. Nontarget embolization of extrahepatic tissue secondary to vascular shunting can lead to SIRT associated complications. Our aim was to assess whether extrahepatic shunts can reliably be diagnosed based on hepatic digital subtraction angiograph...

2013
Daniela D’Alessio Claudia Giliberti Antonella Soriani Livio Carpanese Giuseppe Pizzi Giulio Eugenio Vallati Lidia Strigari

PURPOSE The purpose of this study is to evaluate the radiation dose in patients undergoing liver angiographic procedure and verify the usefulness of different dose measurements to prevent deterministic effects. Gafchromic film, MicroMOSFET data and DIAMENTOR device of the X-ray system were used to characterize the examined interventional radiology (IR) procedure. MATERIALS AND METHODS A liver...

2018
Jian Li Mengyang Liu Haiyang Yu Wei Wang Lifeng Han Qian Chen Jingya Ruan Shaoshi Wen Yi Zhang Tao Wang

Objective: Mangiferin (MGF) is a natural xanthone, with regulation effect on lipid metabolism. However, the molecular mechanism remains unclear. We purposed after oral administration, MGF is converted to its active metabolite(s), which contributes to the effects on lipid metabolism. Methods: KK-Ay mice were used to validate the effects of MGF on lipid metabolic disorders. Liver biochemical indi...

2015
Jonas Högberg Magnus Rizell Ragnar Hultborn Johanna Svensson Olof Henrikson Johan Mölne Peter Gjertsson Peter Bernhardt

BACKGROUND The higher tolerated mean absorbed dose for selective internal radiation therapy (SIRT) with intra-arterially infused (90)Y microspheres compared to external beam therapy is speculated to be caused by absorbed dose inhomogeneity, which allows for liver regeneration. However, the complex liver microanatomy and rheology makes modelling less valuable if the tolerance doses are not based...

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