spin tagging
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2018 ◽  
Vol 80 (3) ◽  
pp. 1125-1131 ◽  
Author(s):  
Dengrong Jiang ◽  
Peiying Liu ◽  
Yang Li ◽  
Deng Mao ◽  
Cuimei Xu ◽  
...  
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2017 ◽  
Vol 78 (6) ◽  
pp. 2283-2289 ◽  
Author(s):  
Jeffrey N. Stout ◽  
M. Dylan Tisdall ◽  
Patrick McDaniel ◽  
Borjan Gagoski ◽  
Divya S. Bolar ◽  
...  

2016 ◽  
Vol 6 (12) ◽  
Author(s):  
Yash S. Shah ◽  
Luis Hernandez‐Garcia ◽  
Hesamoddin Jahanian ◽  
Scott J. Peltier

2015 ◽  
Vol 75 (2) ◽  
pp. 680-687 ◽  
Author(s):  
Peiying Liu ◽  
Ivan Dimitrov ◽  
Trevor Andrews ◽  
David E. Crane ◽  
Jacinda K. Dariotis ◽  
...  

2014 ◽  
Vol 73 (3) ◽  
pp. 1053-1064 ◽  
Author(s):  
Hesamoddin Jahanian ◽  
Scott Peltier ◽  
Douglas C. Noll ◽  
Luis Hernandez Garcia

2012 ◽  
Vol 32 (3) ◽  
pp. 403-412 ◽  
Author(s):  
Yulin Ge ◽  
Zhongwei Zhang ◽  
Hanzhang Lu ◽  
Lin Tang ◽  
Hina Jaggi ◽  
...  

In this study, venous oxygen saturation and oxygen metabolic changes in multiple sclerosis (MS) patients were assessed using a recently developed T2-relaxation-under-spin-tagging (TRUST) magnetic resonance imaging (MRI), which measures the superior sagittal venous sinus blood oxygenation ( Yv) and cerebral metabolic rate of oxygen ( CMRO 2), an index of global oxygen consumption. Thirty patients with relapsing-remitting MS and 30 age-matched healthy controls were studied using TRUST at 3 T MR. The mean expanded disability status scale (EDSS) of the patients was 2.3 (range, 0 to 5.5). We found significantly increased Yv ( P<0.0001) and decreased CMRO 2 ( P=0.003) in MS patients (mean±s.d.: 65.9%±5.1% and 138.8±35.4 μmol per 100 g per minute) as compared with healthy control subjects (60.2%±4.0% and 180.2±24.8 μmol per 100 g per minute, respectively), implying decrease of oxygen consumption in MS. There was a significant positive correlation between Yv and EDSS and between Yv and lesion load in MS patients ( n=30); on the contrary, there was a significant negative correlation between CMRO 2 and EDSS and between CMRO 2 and lesion load ( n=12). There was no correlation between Yv and brain atrophy measures. This study showed preliminary evidence of the potential utility of TRUST in global oxygen metabolism. Our results of significant underutilization of oxygen in MS raise important questions regarding mitochondrial respiratory dysfunction and neurodegeneration of the disease.


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