PMID- 24821673 OWN - NLM STAT- MEDLINE DCOM- 20150514 LR - 20220331 IS - 1097-4644 (Electronic) IS - 0730-2312 (Linking) VI - 115 IP - 10 DP - 2014 Oct TI - 20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol suppresses UV-Induced MMP-1 expression through AMPK-mediated mTOR inhibition as a downstream of the PKA-LKB1 pathway. PG - 1702-11 LID - 10.1002/jcb.24833 [doi] AB - Various health effects have been attributed to the ginsenoside metabolite 20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol (GPD); however, its effect on ultraviolet (UV)-induced matrix metalloproteinase (MMP)-1 expression and the mechanism underlying this effect are unknown. We examined the inhibitory effect of GPD on UV-induced MMP-1 expression and its mechanisms in human dermal fibroblasts (HDFs). GPD attenuated UV-induced MMP-1 expression in HDFs and suppressed the UV-induced phosphorylation of mammalian target of rapamycin (mTOR) and p70(S6K) without inhibiting the activity of phosphatidylinositol 3-kinase and Akt, which are well-known upstream kinases of mTOR. GPD augmented the phosphorylation of liver kinase B1 (LKB1) and adenosine monophosphate-activated protein kinase (AMPK), which are inhibitors of mTOR, to a greater extent than UV treatment alone. Similar to GPD, 5-aminoimidazole-4-carboxamide-1-beta-D-ribofuranosyl 5'-monophosphate (AICAR), an activator of AMPK, augmented UV-induced AMPK phosphorylation to a greater extent than UV treatment alone, resulting in the inhibition of MMP-1 expression. AICAR also decreased the phosphorylation of mTOR and p70(S6K). However, compound C, an antagonist of AMPK, increased MMP-1 expression. In HDF cells with AMPK knock-down using shRNA, MMP-1 expression was increased. These results indicate that AMPK activation plays a key role in MMP-1 suppression. Additionally, the cAMP-dependent protein kinase (PKA) inhibitor, H-89, antagonized GPD-mediated MMP-1 suppression via the inhibition of LKB1. Our results suggest that the suppressive activity of GPD on UV-induced MMP-1 expression is due to the activation of AMPK as a downstream of the PKA-LKB1 pathway. CI - (c) 2014 Wiley Periodicals, Inc. FAU - Shin, Dong Joo AU - Shin DJ AD - WCU Biomodulation Major, Department of Agricultural Biotechnology and Center for Food and Bioconvergence, Seoul National University, Seoul, 151-921, Republic of Korea. FAU - Kim, Jong-Eun AU - Kim JE FAU - Lim, Tae-Gyu AU - Lim TG FAU - Jeong, Eun Hee AU - Jeong EH FAU - Park, Gaeun AU - Park G FAU - Kang, Nam Joo AU - Kang NJ FAU - Park, Jun-Seong AU - Park JS FAU - Yeom, Myeong-Hun AU - Yeom MH FAU - Oh, Deok Kun AU - Oh DK FAU - Bode, Ann M AU - Bode AM FAU - Dong, Zigang AU - Dong Z FAU - Lee, Hyong Joo AU - Lee HJ FAU - Lee, Ki Won AU - Lee KW LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - J Cell Biochem JT - Journal of cellular biochemistry JID - 8205768 RN - 0 (Ginsenosides) RN - 0 (Isoquinolines) RN - 0 (Oxazines) RN - 0 (RNA, Small Interfering) RN - 0 (Ribonucleotides) RN - 0 (Sulfonamides) RN - 360-97-4 (Aminoimidazole Carboxamide) RN - 92353-97-4 (oxadin) RN - A9RLM212CY (ginsenoside M1) RN - EC 2.7.1.1 (MTOR protein, human) RN - EC 2.7.1.137 (Phosphatidylinositol 3-Kinase) RN - EC 2.7.11.1 (Protein Serine-Threonine Kinases) RN - EC 2.7.11.1 (Proto-Oncogene Proteins c-akt) RN - EC 2.7.11.1 (Ribosomal Protein S6 Kinases, 70-kDa) RN - EC 2.7.11.1 (STK11 protein, human) RN - EC 2.7.11.1 (TOR Serine-Threonine Kinases) RN - EC 2.7.11.11 (Cyclic AMP-Dependent Protein Kinases) RN - EC 2.7.11.3 (AMP-Activated Protein Kinase Kinases) RN - EC 2.7.11.31 (AMP-Activated Protein Kinases) RN - EC 3.4.24.7 (Matrix Metalloproteinase 1) RN - F0X88YW0YK (AICA ribonucleotide) RN - M876330O56 (N-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamide) SB - IM MH - AMP-Activated Protein Kinase Kinases MH - AMP-Activated Protein Kinases/*biosynthesis/genetics MH - Aminoimidazole Carboxamide/analogs & derivatives/pharmacology MH - Cell Line MH - Cyclic AMP-Dependent Protein Kinases/antagonists & inhibitors/metabolism MH - Fibroblasts MH - Ginsenosides/*pharmacology MH - Humans MH - Isoquinolines/pharmacology MH - Matrix Metalloproteinase 1/*biosynthesis MH - Oxazines/pharmacology MH - Phosphatidylinositol 3-Kinase/metabolism MH - Phosphorylation/drug effects MH - Protein Serine-Threonine Kinases/antagonists & inhibitors/metabolism MH - Proto-Oncogene Proteins c-akt/metabolism MH - RNA Interference MH - RNA, Small Interfering MH - Ribonucleotides/pharmacology MH - Ribosomal Protein S6 Kinases, 70-kDa/antagonists & inhibitors MH - Sulfonamides/pharmacology MH - TOR Serine-Threonine Kinases/*antagonists & inhibitors MH - Ultraviolet Rays OTO - NOTNLM OT - 20-O-beta-D-GLUCOPYRANOSYL-20(S)-PROTOPANAXADIOL OT - AMPK OT - GINSENOSIDES OT - MMP-1 OT - SKIN AGING OT - UV OT - mTOR EDAT- 2014/05/14 06:00 MHDA- 2015/05/15 06:00 CRDT- 2014/05/14 06:00 PHST- 2013/05/13 00:00 [received] PHST- 2014/05/08 00:00 [accepted] PHST- 2014/05/14 06:00 [entrez] PHST- 2014/05/14 06:00 [pubmed] PHST- 2015/05/15 06:00 [medline] AID - 10.1002/jcb.24833 [doi] PST - ppublish SO - J Cell Biochem. 2014 Oct;115(10):1702-11. doi: 10.1002/jcb.24833.