Trehalose decreases mRNA and protein expressions of c-Jun and JunB in human cervical cancer HeLa cells.
J Biochem
; 172(3): 177-187, 2022 Sep 05.
Article
in En
| MEDLINE
| ID: mdl-35748379
ABSTRACT
Increasing evidence suggests that trehalose, a non-reducing disaccharide, ameliorates disease phenotypes by activating autophagy in animal models of various human diseases, including neurodegenerative diseases. Multiple in vitro studies suggest that activation of transcription factor EB, a master regulator of lysosomal biogenesis and autophagy genes, is a major contributor to trehalose-induced autophagy at later stages of exposure. However, underlying causes of trehalose-induced autophagy possibly occur at the early stage of the exposure period. In this study, we investigated the effects of short-term exposure of HeLa cells to trehalose on several signal transduction pathways to elucidate the initial events involved in its beneficial effects. Phospho-protein array analysis revealed that trehalose decreases levels of phosphorylated c-Jun, a component of the transcription factor activator protein-1, after 6 h. Trehalose also rapidly reduced mRNA expression levels of c-Jun and JunB, a member of the Jun family, within 1 h, resulting in a subsequent decrease in their protein levels. Future studies, exploring the interplay between decreased c-Jun and JunB protein levels and beneficial effects of trehalose, may provide novel insights into the mechanisms of trehalose action.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Transcription Factors
/
Trehalose
/
Uterine Cervical Neoplasms
/
Proto-Oncogene Proteins c-jun
Type of study:
Prognostic_studies
Limits:
Female
/
Humans
Language:
En
Journal:
J Biochem
Year:
2022
Document type:
Article
Affiliation country:
Japan