The role of cellular prion protein in lipid metabolism in the liver.
Acetyl-CoA Carboxylase
/ genetics
Adiposity
Animals
Cell Line
Electrophoresis, Gel, Two-Dimensional
Fatty Acid Synthases
/ genetics
Female
Gene Expression Regulation
Lipid Metabolism
/ genetics
Liver
/ metabolism
Male
Metabolic Diseases
/ metabolism
Mice, Inbred C57BL
Mice, Knockout
PPAR alpha
/ metabolism
Prion Proteins
/ metabolism
Proteome
/ metabolism
Proteomics
RNA, Messenger
/ genetics
Transforming Growth Factor beta1
/ genetics
Triglycerides
/ metabolism
PrPC
ingenuity pathway analysis
liver
non-alcoholic fatty liver disease
proteomics
Journal
Prion
ISSN: 1933-690X
Titre abrégé: Prion
Pays: United States
ID NLM: 101472305
Informations de publication
Date de publication:
12 2020
12 2020
Historique:
entrez:
7
3
2020
pubmed:
7
3
2020
medline:
1
10
2021
Statut:
ppublish
Résumé
Cellular prion protein (PrPC) is a plasma membrane glycophosphatidylinositol-anchored protein and it is involved in multiple functions, including neuroprotection and oxidative stress. So far, most of the PrPC functional research is done in neuronal tissue or cell lines; the role of PrPC in non-neuronal tissues such as liver is only poorly understood. To characterize the role of PrPC in the liver, a proteomics approach was applied in the liver tissue of PrPC knockout mice. The proteome analysis and biochemical validations showed an excessive fat accumulation in the liver of PrPC knockout mice with a change in mRNA expression of genes linked to lipid metabolism. In addition, the higher Bax to Bcl2 ratio, up-regulation of tgfb1 mRNA expression in PrPC knockout mice liver, further showed the evidences of metabolic disease. Over-expression of PrPC in fatty acid-treated AML12 hepatic cell line caused a reduction in excessive intracellular fat accumulation; shows association of PrPC levels and lipid metabolism. Therefore, based on observation of excessive fat globules in the liver of ageing PrPC knockout mice and the reduction of fat accumulation in AML12 cell line with PrPC over-expression, the role of PrPC in lipid metabolism is described.
Identifiants
pubmed: 32138593
doi: 10.1080/19336896.2020.1729074
pmc: PMC7153832
doi:
Substances chimiques
PPAR alpha
0
Prion Proteins
0
Proteome
0
RNA, Messenger
0
Transforming Growth Factor beta1
0
Triglycerides
0
Fatty Acid Synthases
EC 2.3.1.85
Acetyl-CoA Carboxylase
EC 6.4.1.2
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
95-108Références
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