In vivo brown adipose tissue detection and characterization using water-lipid intermolecular zero-quantum coherences.
In vivo brown adipose tissue detection and characterization using water-lipid intermolecular zero-quantum coherences.
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DOI:
10.1002/mrm.22622
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发表时间:
2011-02
影响因子:
3.3
通讯作者:
Warren WS
中科院分区:
文献类型:
--
作者:
Branca RT;Warren WS
Brown Adipose Tissue (BAT) and White Adipose Tissue (WAT) depots are non-invasively characterized in vitro and in vivo in healthy and obese mice using intermolecular Zero-Quantum Coherence (iZQC) transitions between lipid and water spins. IZQCs enable selective detection of spatial correlation between water and lipid spins and thereby the hydration of fatty deposits with subvoxel resolution. At about a 100 micrometer distance scale, the major observed peaks are between water, methylene protons at 1.3ppm, and olefinic protons at 5.3 ppm. Our in vitro results show that the methylene-olefinic iZQC signal is strong both in BAT and in WAT, but that the water-methylene iZQC signal is characteristic only of BAT tissue. In vivo, the ratio of these peaks is substantially higher in lean or young mice than in old or obese mice.
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7.7
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Saito M;Okamatsu-Ogura Y;Matsushita M;Watanabe K;Yoneshiro T;Nio-Kobayashi J;Iwanaga T;Miyagawa M;Kameya T;Nakada K;Kawai Y;Tsujisaki M
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Tsujisaki M
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Nagy, Tim R.
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Nuutila, Pirjo
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2.2
作者:
Garrett-Roe, S;Warren, WS
通讯作者:
Warren, WS