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Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts

  • Authors:
    • Sun Mee Shin
    • Eun Joo Baek
    • Kwang Ho Kim
    • Kwang Joong Kim
    • Eun Joo Park
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    Affiliations: Department of Dermatology, Hallym Institute for Translational Medicine, Anyang, Gyeonggi 14054, Republic of Korea, Department of Dermatology, Hallym University Sacred Heart Hospital, Anyang, Gyeonggi 14068, Republic of Korea
    Copyright: © Shin et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 148
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    Published online on: June 20, 2023
       https://doi.org/10.3892/mmr.2023.13035
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Abstract

Polydeoxyribonucleotide (PDRN) is a mixture of deoxyribonucleotides. It serves as an anti‑inflammatory and tissue‑regenerating agent. The mitogen‑activated protein kinase pathway modulates cell growth and collagen accumulation. It also regulates inflammation by suppressing the expression of proinflammatory cytokines. In the present study, it was attempted to elucidate the molecular mechanism of PDRN in skin healing by confirming the effects of PDRN treatment on skin keratinocytes and fibroblasts, and by assessing the levels of collagen and inflammatory cytokines regulated by the extracellular signal‑regulated kinase (ERK) pathway. The potential effects of PDRN on skin regeneration were investigated. Fibroblast and keratinocyte proliferation and migration were analyzed using the water‑soluble tetrazolium‑8 and wound healing assays. The upregulation of collagen synthesis by PDRN‑induced ERK activation was analyzed in fibroblasts with or without an ERK inhibitor. Inflammatory cytokine expression levels in keratinocytes were determined using reverse transcription‑quantitative polymerase chain reaction. PDRN promoted the proliferation and migration of keratinocytes and fibroblasts. However, PDRN‑induced ERK phosphorylation differed between keratinocytes and fibroblasts; PDRN increased ERK phosphorylation and collagen accumulation in fibroblasts, while it inhibited matrix metalloproteinase expression. By contrast, PDRN inhibited ERK phosphorylation in keratinocytes, and it decreased inflammatory cytokine expression levels. PDRN affects skin cell proliferation and migration, and collagen and inflammatory cytokine expression levels via ERK signaling. Overall, PDRN exerts a positive effect on skin regeneration, but the mechanism by which it promotes skin regeneration varies among different skin cell types.
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Copy and paste a formatted citation
Spandidos Publications style
Shin S, Baek E, Kim K, Kim K and Park E: Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts. Mol Med Rep 28: 148, 2023.
APA
Shin, S., Baek, E., Kim, K., Kim, K., & Park, E. (2023). Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts. Molecular Medicine Reports, 28, 148. https://doi.org/10.3892/mmr.2023.13035
MLA
Shin, S., Baek, E., Kim, K., Kim, K., Park, E."Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts". Molecular Medicine Reports 28.2 (2023): 148.
Chicago
Shin, S., Baek, E., Kim, K., Kim, K., Park, E."Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts". Molecular Medicine Reports 28, no. 2 (2023): 148. https://doi.org/10.3892/mmr.2023.13035
Copy and paste a formatted citation
x
Spandidos Publications style
Shin S, Baek E, Kim K, Kim K and Park E: Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts. Mol Med Rep 28: 148, 2023.
APA
Shin, S., Baek, E., Kim, K., Kim, K., & Park, E. (2023). Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts. Molecular Medicine Reports, 28, 148. https://doi.org/10.3892/mmr.2023.13035
MLA
Shin, S., Baek, E., Kim, K., Kim, K., Park, E."Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts". Molecular Medicine Reports 28.2 (2023): 148.
Chicago
Shin, S., Baek, E., Kim, K., Kim, K., Park, E."Polydeoxyribonucleotide exerts opposing effects on ERK activity in human skin keratinocytes and fibroblasts". Molecular Medicine Reports 28, no. 2 (2023): 148. https://doi.org/10.3892/mmr.2023.13035
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