The proteomic approach to analysis of human milk fat globule membrane

Maria Cavaletto, Maria G. Giuffrida, Amedeo Conti

Risultato della ricerca: Contributo su rivistaArticolo di reviewpeer review

Abstract

Lactating mammary epithelial cells do not adhere to the classical rule of lipid secretion since lipids are secreted enveloped by the milk fat globule membrane (MFGM) via a budding process. Historically, biochemical studies of MFGM proteins focused on the analysis of single molecules. Today, thanks to proteomic technologies, it is now possible to comprehensively analyse the protein component of MFGM. Questions concerning: (1) protein organization within the MFGM structure; (2) correlation to the intracellular secretion pathway; and (3) display of multiple specialized functions, can now be addressed. Proteomics allows for rapid identification of the total MFGM proteins thereby providing a global functional screen of the lactating cell. In addition to their nutritional value, human MFGM proteins have important protective functions against bacteria, viruses and protozoa. Identifying the complex nature of protein-protein interactions would further enhance our present knowledge of MFGM function. A speculative molecular architecture of the human MFGM is proposed.

Lingua originaleInglese
pagine (da-a)41-48
Numero di pagine8
RivistaClinica Chimica Acta
Volume347
Numero di pubblicazione1-2
DOI
Stato di pubblicazionePubblicato - set 2004

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