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FGF21 treatment and iPSC-derived neurons

ABSTRACT: FGF21 analogs tested in clinical trials in metabolic diseases i.e. type 2 diabetes mellitus and non-alcoholic fatty liver disease are generally well-tolerated. FGF21 is a peptide hormone that is primarily secreted by the liver, but it also crosses the blood-brain barrier. The bulk of literature on this subject has raised the possibility that FGF21 administration could affect alcohol use and reward behaviors. Our recent study showed that FGF21 levels were associated with recent alcohol consumption. Furthermore, our data also suggest that the effects of FGF21 in the induced pluripotent stem cell (iPSC)-derived 3D-brain organoids are associated, at least in part, with the regulation of catecholamines, neurotransmitters that play a crucial role in reward pathways. These observations potentially open the way to pharmacologic manipulation of FGF21, which in turn could have significant implications for catecholamines, and alcohol use. Current in vitro models designed to study drug action in the human brain are limited. Therefore, we used iPSC-derived neurons as a novel "cell-line based" approach to advance our understanding of drug action in the brain. Since the half-life of the naïve form of FGF21 is about 0.5-2 hours, it is not suitable for clinical use due to poor pharmacokinetic and biophysical properties . As a result, the present study was designed to identify molecular mechanisms for both the naïve form of FGF21 and a long-acting FGF21 molecule (PF-05231023) which was developed by conjugating two molecules of modified FGF21 (dHis/Ala129Cys) to an antibody scaffold.

ORGANISM(S): Homo sapiens

PROVIDER: GSE223173 | GEO | 2023/09/27

REPOSITORIES: GEO

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