نتایج جستجو برای: stress normalization

تعداد نتایج: 464007  

2012
Justin I. Odegaard Ajay Chawla

Vertebrate tissues comprise precise admixtures of parenchymal and hematopoietic cells, whose interactions are vital to proper tissue function. By regulating this interaction, vertebrates are able to mitigate environmental stress and coordinate dramatic physiologic adaptations. For instance, under conditions of chronic nutrient excess, leukocyte recruitment and activation increase in an effort t...

Journal: :Inf. Sci. 2007
Ying-Ming Wang Jian-Bo Yang Dong-Ling Xu Kwai-Sang Chin

This paper investigates the issues of combination and normalization of interval-valued belief structures within the framework of Dempster–Shafer theory (DST) of evidence. Existing approaches are reviewed, examined and critically analysed. They either ignore the normalization or separate it from the combination process, leading to irrational or suboptimal interval-valued belief structures. A new...

2012
Sung-Chul Park Yun-Hee Kim Chang Yoon Ji Seyeon Park Jae cheol Jeong Haeng-Soon Lee Sang-Soo Kwak

Reverse transcription quantitative real-time PCR (RT-qPCR) has become one of the most widely used methods for gene expression analysis, but its successful application depends on the stability of suitable reference genes used for data normalization. In plant studies, the choice and optimal number of reference genes must be experimentally determined for the specific conditions, plant species, and...

2015
Xiaoshuang Li Daoyuan Zhang Haiyan Li Bei Gao Honglan Yang Yuanming Zhang Andrew J. Wood

Syntrichia caninervis is the dominant bryophyte of the biological soil crusts found in the Gurbantunggut desert. The extreme desert environment is characterized by prolonged drought, temperature extremes, high radiation and frequent cycles of hydration and dehydration. S. caninervis is an ideal organism for the identification and characterization of genes related to abiotic stress tolerance. Re...

2015
XueYan Li JinYun Cheng Jing Zhang Jaime A. Teixeira da Silva ChunXia Wang HongMei Sun Zhilong Bie

Lilium is an important commercial market flower bulb. qRT-PCR is an extremely important technique to track gene expression levels. The requirement of suitable reference genes for normalization has become increasingly significant and exigent. The expression of internal control genes in living organisms varies considerably under different experimental conditions. For economically important Lilium...

2013
Chizuko Murakami

Objective: Both biological measurement and psychiatric testing were performed to evaluate the effects of qigong on schizophrenics. Methods: Sixteen hospitalized patients diagnosed as schizophrenics were divided into two groups (qigong group and controls). The qigong training was done with qigong group for twelve weeks. The measurements were performed twice, before and after the qigong intervent...

2010
Bradley S. Ferguson Heesun Nam Robin G. Hopkins Ron F. Morrison

BACKGROUND With the current rise in obesity-related morbidities, real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR) has become a widely used method for assessment of genes expressed and regulated by adipocytes. In order to measure accurate changes in relative gene expression and monitor intersample variability, normalization to endogenous control genes that do not ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Triantafyllos Stylianopoulos Rakesh K Jain

Blood perfusion in tumors can be significantly lower than that in the surrounding normal tissue owing to the leakiness and/or compression of tumor blood vessels. Impaired perfusion reduces oxygen supply and results in a hypoxic microenvironment. Hypoxia promotes tumor progression and immunosuppression, and enhances the invasive and metastatic potential of cancer cells. Furthermore, poor perfusi...

Journal: :research in cardiovascular medicine 0
hadi malek rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran raheleh hedayati department of nuclear medicine, rasool-e-akram hospital, iran university of medical sciences, tehran, ir iran nahid yaghoobi rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; department of nuclear medicine and molecular imaging, rajaie cardiovascular medical and research center, vali-asr st., niayesh blvd. tehran, ir iran. p. o. box: 1996911151, tel: +98-9121031582, fax: +98-2122042026 ahmad bitarafan-rajabi rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran seyed hassan firoozabadi rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran feridoon rastgou rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran

background subdiaphragmatic activity can produce subdiaphragmatic-related artifacts, which can degrade the quality of myocardial perfusion imaging (mpi). objectives we examined the impact of drinking milk, water, and lemon juice on different subdiaphragmatic-related artifacts by using 99mtc-sestamibi myocardial single-photon emission computed tomography (spect) in order to determine a feasible ...

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