Aster glehni Extract Containing Caffeoylquinic Compounds Protects Human Keratinocytes through the TRPV4-PPAR δ-AMPK Pathway

Yong Jik Lee, Yoo Na Jang, Yoon Mi Han, Hyun Min Kim, Changbae Jin, Hyoung Ja Kim, Hong Seog Seo

Research output: Contribution to journalArticle

Abstract

Aster glehni (AG) has been used in cooking and as a medicine to treat various diseases for over hundreds of years in Korea. To speculate the protective effects of AG on skin barrier, we estimated the protein levels of biomarkers related to skin barrier protection in human keratinocytes, HaCaT cells treated with sodium dodecyl sulfate (SDS), or 2,4-dinitrochlorobenzene (DNCB). The protein levels for keratin, involucrin, defensin, tumor necrosis factor alpha (TNFα), peroxisome proliferator-activated receptor delta (PPARδ), 5′ adenosine monophosphate-activated protein kinase (AMPK), serine palmitoyltransferase long chain base subunit 2 (SPTLC2), and transient receptor potential cation channel subfamily V member 4 (TRPV4) were evaluated using western blotting or immunocytochemistry in HaCaT cells. AG extract increased the protein levels of PPARδ, phosphorylated AMPK, SPTLC2, keratin, involucrin, and defensin compared to the SDS or DNCB control group. However, TNFα expression increased by SDS or DNCB was decreased with AG extract. The order of action of each regulatory biomarker in AG pathway was identified TRPV4→PPARδ→AMPK from antagonist and siRNA treatment studies. AG can ameliorate the injury of keratinocytes caused by SDS or DNCB through the sequential regulation of TRPV4→PPARδ→AMPK pathway.

Original languageEnglish
Article number9616574
JournalEvidence-based Complementary and Alternative Medicine
Volume2018
DOIs
Publication statusPublished - 2018 Jan 1

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PPAR delta
Dinitrochlorobenzene
Adenosine Monophosphate
Keratinocytes
Sodium Dodecyl Sulfate
Protein Kinases
Serine C-Palmitoyltransferase
Defensins
Keratins
Tumor Necrosis Factor-alpha
Biomarkers
Transient Receptor Potential Channels
Skin
Proteins
Cooking
Korea
Small Interfering RNA
Western Blotting
Immunohistochemistry
Medicine

ASJC Scopus subject areas

  • Complementary and alternative medicine

Cite this

Aster glehni Extract Containing Caffeoylquinic Compounds Protects Human Keratinocytes through the TRPV4-PPAR δ-AMPK Pathway. / Lee, Yong Jik; Jang, Yoo Na; Han, Yoon Mi; Kim, Hyun Min; Jin, Changbae; Kim, Hyoung Ja; Seo, Hong Seog.

In: Evidence-based Complementary and Alternative Medicine, Vol. 2018, 9616574, 01.01.2018.

Research output: Contribution to journalArticle

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