Abstract:
:GALIG, an internal gene to the human galectin-3 gene, encodes two distinct proteins, Mitogaligin and Cytogaligin through translation of a unique mRNA in two overlapping alternative reading frames. When overexpressed GALIG induces apoptosis. In cultured cells, Mitogaligin destabilizes mitochondria membranes through interaction with cardiolipin. Little is known regarding the role of Cytogaligin. This protein displays multiple subcellular localizations; cytosol, nucleus, and mitochondria. We illustrate here that Cytogaligin is also secreted in the extracellular medium. Cytogaligin is shown to interact with α-Synuclein, the major component of Lewy bodies in Parkinson's disease. Overexpression of Cytogaligin reduces α-Synuclein dimerization raising a possible role in the evolution of α-Synuclein aggregation, a key molecular event underlying the pathogenesis of Parkinson's disease.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
El Haddad S,Serrano A,Normand T,Robin C,Dubois M,Brulé-Morabito F,Mollet L,Charpentier S,Legrand Adoi
10.1016/j.bbrc.2017.11.078subject
Has Abstractpub_date
2018-01-01 00:00:00pages
787-792issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(17)32256-8journal_volume
495pub_type
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