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J Herbmed Pharmacol. 2024;13(2): 269-279.
doi: 10.34172/jhp.2024.49332

Scopus ID: 85192264966
  Abstract View: 351
  PDF Download: 207

Original Article

Deciphering the molecular pathway of an asiaticosiderich fraction of Centella asiatica as an anti-melanogenesis agent

Agustina Setiawati 1 ORCID logo, Brigitta Amanda Maharani 1 ORCID logo, Putu Addelia Puspa Sari 1 ORCID logo, K. Ariex Widyantara 1 ORCID logo, Bakti Wahyu Saputra 1 ORCID logo, Rifki Febriansah 2 ORCID logo, Rini Dwiastuti 1* ORCID logo

1 Faculty of Pharmacy, Sanata Dharma University, Paingan, Maguwoharjo, Depok, Sleman, Yogyakarta, 55282, Indonesia
2 Faculty of Medicine and Health Sciences, University of Muhammadiyah Yogyakarta, Kasihan, Bantul, Yogyakarta 55183, Indonesia
*Corresponding Author: Rini Dwiastuti,, Email: rini_dwi@usd.ac.id

Abstract

Introduction: Melanin is a defense against UV radiation; however, it leads to significant cosmetic issues mainly melasma and hyperpigmentation. This study evaluated the potential effect of ethyl acetate (EtOAc) fraction of Centella asiatica extract in vitro inhibition activity against tyrosinase (TYR). Bioinformatics and in silico experiments were also employed to predict molecular pathways of asiaticoside, as the main active compound.

Methods: Centella asiatica was extracted with ethanol and then fractionated with EtOAc. The fraction was tested in vitro for TYR inhibitory activity, and its active compounds were investigated using thin-layer chromatography (TLC). After obtaining the online database of the genes related to pigmentation and melanogenesis in the skin, the genes affected by asiaticoside were determined by the Venn diagram. The top 10 target proteins, underlying molecular pathways, got from CytoHubba, were further studied to figure out their molecular pathway. The molecular docking was conducted on two selected protein targets.

Results: EtOAc fraction of C. asiatica extract demonstrated strong TYR inhibitory activity with an IC50 of 18.85 μg/mL. TLC profiling of the EtOAc fraction revealed the Rf value of 0.28 for the standard, Rf value of 0.26, 0.21, and 0.15 for the extract, and Rf value of 0.26 and 0.15 for the fraction. Asiaticoside inhibited melanogenesis by elaborating many molecular pathways involving keratinocytes, melanocytes, fibroblast, and endothelial cells by elaborating cytokine, growth factor, extracellular matrix, and melanin degradation enzyme

Conclusion: Asiaticoside-rich C. asiatica fraction has the potential as an anti-melanogenesis agent through its TYR inhibitory activity and many molecular pathways.

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Submitted: 26 Oct 2023
Accepted: 25 Jan 2024
ePublished: 01 Apr 2024
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