GLUT1 is a highly efficient L-fucose transporter.
GLUT1 is a highly efficient L-fucose transporter.
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DOI:
10.1016/j.jbc.2022.102738
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发表时间:
2023-01
影响因子:
4.8
通讯作者:
Freeze, Hudson H.
中科院分区:
文献类型:
--
作者:
Ng, Bobby G.;Sosicka, Paulina;Xia, Zhijie;Freeze, Hudson H.
Understanding L-fucose metabolism is important because it is used as a therapy for several congenital disorders of glycosylation. Exogenous L-fucose can be activated and incorporated directly into multiple N- and O-glycans via the fucose salvage/recycling pathway. However, unlike for other monosaccharides, no mammalian L-fucose transporter has been identified. Here, we functionally screened nearly 140 annotated transporters and identified GLUT1 (SLC2A1) as an L-fucose transporter. We confirmed this assignment using multiple approaches to alter GLUT1 function, including chemical inhibition, siRNA knockdown, and gene KO. Collectively, all methods demonstrate that GLUT1 contributes significantly to L-fucose uptake and its utilization at low micromolar levels. Surprisingly, millimolar levels of D-glucose do not compete with L-fucose uptake. We also show macropinocytosis, but not other endocytic pathways, can contribute to L-fucose uptake and utilization. In conclusion, we determined that GLUT1 functions as the previously missing transporter component in mammalian L-fucose metabolism.
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DOI:
10.1111/febs.15531
发表时间:
2021-05
期刊:
The FEBS journal
影响因子:
--
作者:
Pizzagalli MD;Bensimon A;Superti-Furga G
通讯作者:
Superti-Furga G
影响因子:
4.6
作者:
通讯作者:
--
影响因子:
16.6
作者:
通讯作者:
--
影响因子:
62.1
作者:
Drew D;North RA;Nagarathinam K;Tanabe M
通讯作者:
Tanabe M
DOI:
10.1126/science.1174229
发表时间:
2009-09-18
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Yun J;Rago C;Cheong I;Pagliarini R;Angenendt P;Rajagopalan H;Schmidt K;Willson JK;Markowitz S;Zhou S;Diaz LA Jr;Velculescu VE;Lengauer C;Kinzler KW;Vogelstein B;Papadopoulos N
通讯作者:
Papadopoulos N