Lin, L.-C., Quon, T., Engberg, S., Mackenzie, A. E., Tobin, A. B. and Milligan, G. (2021) G protein-coupled receptor GPR35 suppresses lipid accumulation in hepatocytes. ACS Pharmacology and Translational Science, 4(6), pp. 1835-1848. (doi: 10.1021/acsptsci.1c00224) (PMID:34927014)
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Abstract
Although prevalent, nonalcoholic fatty liver disease is not currently treated effectively with medicines. Initially, using wild-type and genome-edited clones of the human hepatocyte cell line HepG2, we show that activation of the orphan G protein-coupled receptor GPR35 is both able and sufficient to block liver X-receptor-mediated lipid accumulation. Studies on hepatocytes isolated from both wild-type and GPR35 knock-out mice were consistent with a similar effect of GPR35 agonists in these cells, but because of marked differences in the pharmacology of GPR35 agonists and antagonists at the mouse and human orthologues, as well as elevated basal lipid levels in hepatocytes from the GPR35 knock-out mice, no definitive conclusion could be reached. To overcome this, we generated and characterized a transgenic knock-in mouse line in which the corresponding human GPR35 splice variant replaced the mouse orthologue. In hepatocytes from these humanized GPR35 mice, activation of this receptor was shown conclusively to prevent, and also reverse, lipid accumulation induced by liver X-receptor stimulation. These studies highlight the potential to target GPR35 in the context of fatty liver diseases.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Quon, Dr Tezz and Milligan, Professor Graeme and Tobin, Andrew and Lin, Dr Li-Chiung and MacKenzie, Dr Amanda |
| Authors: | Lin, L.-C., Quon, T., Engberg, S., Mackenzie, A. E., Tobin, A. B., and Milligan, G. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Molecular Biosciences |
| Journal Name: | ACS Pharmacology and Translational Science |
| Publisher: | American Chemical Society |
| ISSN: | 2575-9108 |
| ISSN (Online): | 2575-9108 |
| Published Online: | 30 November 2021 |
| Copyright Holders: | Copyright © 2021 The Authors |
| First Published: | First published in ACS Pharmacology and Translational Science 4(6): 1835-1848 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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