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March 3, 2026

Bioconversion and Metabolic Fate of the n-1 Polyunsaturated Fatty Acids, 6,9,12,15- Hexadecatetraenoic (C16:4 n-1) and 8,11,14,17- Octadecatetraenoic (C18:4 n-1) Acids, in HepG2 Cells

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Authors

KSKoki SugimotoHNHideto NishiguchiRHRyôta Hosomi

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Overview

Observational analysis reveals distinct metabolic pathways for n-1 polyunsaturated fatty acids in HepG2 cells, suggesting novel insights.

Key Points

  • The metabolic fate of n-1 polyunsaturated fatty acids differs from that of common fatty acids, indicating distinct processing by HepG2 cells.
  • Significantly lower relative levels of HDTA and its metabolites were observed compared to eicosapentaenoic acid (EPA) in supplemented cells.
  • HepG2 cells convert HDTA into metabolites such as C20:4 n-1 and octadecatetraenoic acid (ODTA), suggesting active elongation mechanisms.
  • RNA sequencing results showed no major changes in β-oxidation-related gene expression levels after HDTA supplementation.

Cite This Study

Sugimoto et al. (2025) studied this question.

synapsesocial.com/papers/69a75faac6e9836116a2b40c
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