Cited by 35Berberine and alkaloids researchNatural Compounds in Disease TreatmentNF-κB Signaling Pathways

Berberine, A Phytoalkaloid, Inhibits Inflammatory Response Induced by LPS through NF-Kappaβ Pathway: Possible Involvement of the IKKα

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Reddi, Kiran, Li, Hanxuan, Li, Wei, Tetali, Sarada·2021·Molecules

Abstract

Berberine (BBR), a plant alkaloid, is known for its therapeutic properties of anticancer, cardioprotective, antidiabetic, hypolipidemic, neuroprotective, and hepatoprotective activities. The present study was to determine the molecular mechanism of BBR’s pharmacological activity in human monocytic (THP-1) cells induced by arachidonic acid (AA) or lipopolysaccharide (LPS). The effect of BBR on AA/LPS activated proinflammatory markers including TNF-α, MCP-1, IL-8 and COX-2 was measured by ELISA or quantitative real-time PCR. Furthermore, the effect of BBR on LPS-induced NF-κB translocation was determined by immunoblotting and confocal microscopy. AA/ LPS-induced TNF-α, MCP-1, IL-6, IL-8, and COX-2 markers were markedly attenuated by BBR treatment in THP-1 cells by inhibiting NF-κB translocation into the nucleus. Molecular modeling studies suggested the direct interaction of BBR to IKKα at its ligand binding site, which led to the inhibition of the LPS-induced NF-κB translocation to the nucleus. Thus, the present study demonstrated the anti-inflammatory potential of BBR via NF-κB in activated monocytes, whose interplay is key in health and in the pathophysiology of atherosclerotic development in blood vessel walls. The present study findings suggest that BBR has the potential for treating various chronic inflammatory disorders.

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Authors
Reddi, K., Li, H., Li, W., & Tetali, S.
Affiliations
  • University of Tennessee Health Science Center (US)
  • Department of Pharmaceutical Sciences, College of Pharmacy, The University of Tennessee Health Science Center, Memphis, TN 38163, USA
  • University of Hyderabad (IN)
Corresponding author
Tetali, Sarada
Venue
Molecules
Publisher
MDPI AG
Published
2021-08-05
Volume
26
Issue
16
Pages
4733
ISSN
1420-3049 (ISSN-L)
OpenAlex
W3190727749
Cited by
35
References
53
Citations by year
2026: 10 · 2025: 8 · 2024: 6 · 2023: 6 · 2022: 4 · 2021: 1
FWCI
2.48
Type
journal article
Language
en
Open access
Locations
  • Molecules (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Pharmacology › Berberine and alkaloids research
  • Health Sciences › Medicine › Complementary and alternative medicine › Natural Compounds in Disease Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
berberine, anti-inflammatory activity, lipopolysaccharide, NF-κB signaling, IKKα, arachidonic acid, THP-1 cells, inflammatory cytokines, cyclooxygenase-2, NF-κB nuclear translocation, atherosclerosis, chronic inflammation, molecular docking
MeSH terms
THP-1 Cells, Anti-Inflammatory Agents, Berberine, Humans, Inflammation, Lipopolysaccharides, Monocytes, Signal Transduction, NF-kappa B, I-kappa B Kinase

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