Illuminating the lipidome to advance biomedical research: peptide-based probes of membrane lipids.

Abstract:

:Systematic investigation of the lipidome will reveal new opportunities for disease diagnosis and intervention. However, lipidomic research has been hampered by the lack of molecular tools to track specific lipids of interest. Accumulating reports indicate lipid recognition can be achieved with properly constructed short peptides in addition to large proteins. This review summarizes the key developments of this area within the past decade. Select lantibiotic peptides present the best examples of low-molecular-weight probes of membrane lipids, displaying selectivity comparable to lipid-binding proteins. Designed peptides, through biomimetic approaches and combinational screening, have begun to demonstrate their potential for lipid tracking in cultured cells and even in living organisms. Biophysical characterization of these lipid-targeting peptides has revealed certain features critical for selective membrane binding, including preorganized scaffolds and the balance of polar and nonpolar interactions. The knowledge summarized herein should facilitate the development of molecular tools to target a variety of membrane lipids.

journal_name

Future Med Chem

authors

Gao J,Zheng H

doi

10.4155/fmc.13.66

subject

Has Abstract

pub_date

2013-05-01 00:00:00

pages

947-59

issue

8

eissn

1756-8919

issn

1756-8927

journal_volume

5

pub_type

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