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Coumaric acid from M. polymorphum extracts reverses the activated state of hepatic stellate cells (GRX) and inhibits their proliferation by decreasing the p53/p21 pathway

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A Correction to this article was published on 30 January 2023

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Abstract

Coumaric acid is a phenolic compound found in medicinal plants. Its use has been reported in the treatment of inflammatory diseases, prevention of alterations induced by oxidative stress, as well as acetaminophen-induced hepatotoxicity. Thus, this study evaluated coumaric acid as a potential treatment for liver fibrosis. Cell proliferation was assessed by the trypan blue exclusion technique and the cytotoxicity of coumaric acid was performed using an LDH assay. Mechanisms of cell apoptosis were evaluated by flow cytometry. The expression of genes associated with apoptosis, cell cycle control, and fibrosis was assessed by qPCR. The production of lipid droplets was quantified by oil red staining. The experiments performed showed that the treatment with coumaric acid was able to reduce cell proliferation without causing cell cytotoxicity or apoptosis. Coumaric acid was able to inhibit the expression of cyclin D1 and CDK’s (CDK2, CDK4, and CDK6), increasing p53 and p21, which could lead to cell cycle arrest. Treatment with coumaric acid was also able to revert the activated phenotype of GRX cells to their quiescent state. Thus, our results suggest that coumaric acid has a potential therapeutic effect against liver fibrosis.

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When requested, the authors provided the data and materials used for the development of the manuscript.

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Abbreviations

α-SMA:

Alpha smooth muscle actin

CA:

Coumaric acid

CCND1:

Cyclin D1

CDK’s:

Kinase-dependent cyclins

CDKI’s:

Kinase-dependent cyclins inhibitors

CIS:

Cisplatin

CLA:

Chlorogenic acid

CLI:

Chronic liver injury

Col-1:

Collagen

DMEM:

Dulbecco’s Modified Eagle’s Medium

EMC:

Extracellular matrix

F1:

Fractions 1

F2:

Fractions 2

F3:

Fractions 3

FBS:

Fetal bovine serum

GA:

Gallic acid

GFAP:

Glial fibrillary acidic protein

GRX:

Hepatic stellate cell line

HA:

Hydroxybenzoic acid

HF:

Hepatic fibrosis

HPLC:

High-performance liquid chromatography

HSCs:

Hepatic stellate cells

LDH:

Lactate dehydrogenase

MP:

Moquiniastrum polymorphum subsp. Polymorphum

NAC:

N-acetylcysteine

PPAR-γ:

Proliferation-activated gamma receptor

ORO:

Oil red-O

TE:

Total extract

TGF-β:

Transforming growth factor beta

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Funding

This study was funded by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES/Brazil; Financial Code 001), through a fellowship for the first author, and by National Council for Scientific and Technological Development (CNPq/Brazil) (Grant#311424/2018–0). License for Research on Brazil’s Biodiversity, CNPq#010852/2014–0 and Sistema Nacional de Gestão do Patrimônio Genético e do Conhecimento Tradicional Associado–SISGEN# ABAD620.

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Authors

Contributions

JOR and ERS conceived and planned this project. MSB performed all experiments. BPC, GHV, and DM helped in phenotypic reversal and gene expression experiments. KHA performed the flow cytometry experiments. RMS helped during the gene expression experiments as well as in writing the manuscript. MSB analyzed the data and wrote the manuscript with review and contributions from JOR, ERS, and MFD. All authors approved the final manuscript.

Corresponding author

Correspondence to Matheus Scherer Bastos.

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Competing interests

The authors declare no competing interests.

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The original version of this article was revised. The name of the sixth author is now corrected.

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Bastos, M.S., Saalfeld, R.M., Costa, B.P. et al. Coumaric acid from M. polymorphum extracts reverses the activated state of hepatic stellate cells (GRX) and inhibits their proliferation by decreasing the p53/p21 pathway. Naunyn-Schmiedeberg's Arch Pharmacol 396, 925–937 (2023). https://doi.org/10.1007/s00210-022-02361-w

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  • DOI: https://doi.org/10.1007/s00210-022-02361-w

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