Lipid-modified morphogens: functions of fats.

Lipid-modified morphogens: functions of fats.
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DOI:
10.1016/j.gde.2009.04.006
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发表时间:
2009-08
影响因子:
4
通讯作者:
Treisman, Jessica E.
Treisman, Jessica E.
中科院分区:
生物学2区
文献类型:
--
作者:
Steinhauer, Josefa;Treisman, Jessica E.

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Despite their location in the aqueous extracellular environment, a number of secreted proteins carry hydrophobic lipid modifications. These modifications include glycosylphosphatidylinositol, cholesterol, and both saturated and unsaturated fatty acids, and they are attached in the secretory pathway by different classes of enzymes. Lipid attachments make critical contributions to protein function in vivo through a diverse array of mechanisms. They can promote protein maturation and secretion, membrane tethering, targeting to specific membrane subdomains, or receptor binding and activation. Additionally, secretion of lipid-modified morphogens of the Wnt and Hh families requires dedicated accessory proteins and may involve their packaging into lipoprotein particles for long-range transport.
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