Chemoenzymatic probes for detecting and imaging fucose-α(1-2)-galactose glycan biomarkers.

Chemoenzymatic probes for detecting and imaging fucose-α(1-2)-galactose glycan biomarkers.
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DOI:
10.1021/ja211312u
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发表时间:
2012-03-14
影响因子:
15
通讯作者:
Hsieh-Wilson, Linda C.
Hsieh-Wilson, Linda C.
中科院分区:
化学1区
文献类型:
--
作者:
Chaubard, Jean-Luc;Krishnamurthy, Chithra;Yi, Wen;Smith, David F.;Hsieh-Wilson, Linda C.

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The disaccharide motif fucose-α(1-2)-galactose (Fucα(1-2)Gal) is involved in many important physiological processes, such as learning and memory, inflammation, asthma, and tumorigenesis. However, the size and structural complexity of Fucα(1-2)Gal-containing glycans have posed a significant challenge to their detection. We report a new chemoenzymatic strategy for the rapid, sensitive detection of Fucα(1-2)Gal glycans. We demonstrate that the approach is highly selective for the Fucα(1-2)Gal motif, detects a variety of complex glycans and glycoproteins, and can be used to profile the relative abundance of the motif on live cells, discriminating malignant from normal cells. This approach represents a new potential strategy for biomarker detection and expands the technologies available for understanding the roles of this important class of carbohydrates in physiology and disease.
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