Article ; Online: A novel sterol-binding protein reveals heterogeneous cholesterol distribution in neurite outgrowth and in late endosomes/lysosomes.
Cellular and molecular life sciences : CMLS
2022 Volume 79, Issue 6, Page(s) 324
Abstract: We identified a mushroom-derived protein, maistero-2 that specifically binds 3-hydroxy sterol including cholesterol (Chol). Maistero-2 bound lipid mixture in Chol-dependent manner with a binding threshold of around 30%. Changing lipid composition did not ...
Abstract | We identified a mushroom-derived protein, maistero-2 that specifically binds 3-hydroxy sterol including cholesterol (Chol). Maistero-2 bound lipid mixture in Chol-dependent manner with a binding threshold of around 30%. Changing lipid composition did not significantly affect the threshold concentration. EGFP-maistero-2 labeled cell surface and intracellular organelle Chol with higher sensitivity than that of well-established Chol probe, D4 fragment of perfringolysin O. EGFP-maistero-2 revealed increase of cell surface Chol during neurite outgrowth and heterogeneous Chol distribution between CD63-positive and LAMP1-positive late endosomes/lysosomes. The absence of strictly conserved Thr-Leu pair present in Chol-dependent cytolysins suggests a distinct Chol-binding mechanism for maistero-2. |
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MeSH term(s) | Carrier Proteins/metabolism ; Cholesterol/metabolism ; Endosomes/metabolism ; Lysosomes/metabolism ; Neuronal Outgrowth ; Sterols/metabolism |
Chemical Substances | Carrier Proteins ; Sterols ; Cholesterol (97C5T2UQ7J) |
Language | English |
Publishing date | 2022-05-29 |
Publishing country | Switzerland |
Document type | Journal Article |
ZDB-ID | 1358415-7 |
ISSN | 1420-9071 ; 1420-682X |
ISSN (online) | 1420-9071 |
ISSN | 1420-682X |
DOI | 10.1007/s00018-022-04339-6 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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