An eco-friendly enantioselective access to (R)-naringenin as inhibitor of proinflammatory cytokine release

Raffaella Gaggeri, Daniela Rossi, Maria Daglia, Flavio Leoni, Maria Antonia Avanzini, Melissa Mantelli, Markus Juza, Simona Collina

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

(RS)-Naringenin is a flavanone well-known for its beneficial health-related properties, such as its anti-inflammatory activity. The preparative enantioselective chromatographic resolution of commercial (RS)-naringenin was performed on a Chiralpak AD-H column (500×50 mm i.d., dp 20 μm) using MeOH as eluent. The developed method is in accordance with the principles of green chemistry, since the environmental impact was lowered by recycling of the eluent, and allowed the production of gram amounts of each enantiomer with high purity (chemical purity >99%, enantiomeric excess (ee) >94%). Racemic and enantiomeric naringenin were subjected to an exhaustive in vitro investigation of anti-inflammatory activity, aimed at evaluating the relevance of chirality. The assay with cultured human peripheral blood mononuclear cells (hPBMC) activated by phytohemagglutinin A revealed that (R)-naringenin was more effective in inhibiting T-cell proliferation than the (S)-enantiomer and the racemate. Moreover, (R)-naringenin significantly reduced proinflammatory cytokine levels such as those of TNF-α and, with less potency, IL-6. These results evidenced the anti-inflammatory potential of naringenin and the higher capacity of (R)-naringenin to inhibit both in vitro hPBMC proliferation and cytokine secretion at non toxic doses. Thus, (R)-naringenin is a promising candidate for in vivo investigation.

Original languageEnglish
Pages (from-to)1531-1538
Number of pages8
JournalChemistry and Biodiversity
Volume10
Issue number8
DOIs
Publication statusPublished - Aug 2013

Fingerprint

Enantiomers
Cell proliferation
Blood
Cytokines
T-cells
Chirality
Environmental impact
Recycling
Assays
Health
Anti-Inflammatory Agents
Blood Cells
Cell Proliferation
naringenin
Poisons
Phytohemagglutinins
Interleukin-6
T-Lymphocytes

Keywords

  • Anti-inflammatory activity
  • Cytokines
  • Inhibitors
  • Naringenin
  • T-Cell proliferation

ASJC Scopus subject areas

  • Biochemistry
  • Chemistry(all)
  • Bioengineering
  • Molecular Biology
  • Molecular Medicine

Cite this

An eco-friendly enantioselective access to (R)-naringenin as inhibitor of proinflammatory cytokine release. / Gaggeri, Raffaella; Rossi, Daniela; Daglia, Maria; Leoni, Flavio; Avanzini, Maria Antonia; Mantelli, Melissa; Juza, Markus; Collina, Simona.

In: Chemistry and Biodiversity, Vol. 10, No. 8, 08.2013, p. 1531-1538.

Research output: Contribution to journalArticle

Gaggeri, Raffaella ; Rossi, Daniela ; Daglia, Maria ; Leoni, Flavio ; Avanzini, Maria Antonia ; Mantelli, Melissa ; Juza, Markus ; Collina, Simona. / An eco-friendly enantioselective access to (R)-naringenin as inhibitor of proinflammatory cytokine release. In: Chemistry and Biodiversity. 2013 ; Vol. 10, No. 8. pp. 1531-1538.
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