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BA inhibits LPS-stimulated inflammatory response and apoptosis in human middle ear epithelial cells by regulating the

Qian He1, Yanzhi Cai1, Meihua Kong1

  • 1Department of ENT, Yueqing People's Hospital, 338, Qingyuan Road, Chengnan Street, Yueqing City, Wenzhou, Zhejiang, 325600, China.

Open Life Sciences
|January 17, 2025
PubMed

Insights

Boswellic acid (BA) reduces inflammation and cell death in human middle ear epithelial cells stimulated by lipopolysaccharide (LPS). This natural compound, derived from frankincense, shows promise for treating otitis media (OM) by targeting the NF-κB/IκBα pathway.

Area of Science:

  • Otolaryngology
  • Immunology
  • Pharmacology

Background:

  • Otitis media (OM) is a common childhood ear infection causing pain, fever, and hearing loss.
  • OM pathogenesis involves infections, immune responses, and middle ear epithelial cell function.
  • Boswellic acid (BA), from frankincense, exhibits anti-inflammatory and immunomodulatory properties.

Purpose of the Study:

  • To investigate BA's effects on lipopolysaccharide (LPS)-induced inflammation and apoptosis in human middle ear epithelial cells (HMEECs).
  • To elucidate the underlying mechanisms of BA's action in HMEECs.

Main Methods:

  • Human middle ear epithelial cells (HMEECs) were stimulated with lipopolysaccharide (LPS).
  • The effects of Boswellic acid (BA) on cell proliferation, apoptosis, and inflammation were assessed.
  • Mechanisms involving the NF-κB/IκBα signaling pathway were investigated.

Main Results:

  • BA enhanced the proliferation of LPS-stimulated HMEECs.
  • BA significantly inhibited LPS-induced apoptosis and inflammation in HMEECs.
  • BA suppressed the NF-κB/IκBα signaling axis in LPS-treated HMEECs.

Conclusions:

  • Boswellic acid effectively mitigates LPS-stimulated inflammation and apoptosis in HMEECs.
  • BA exerts its therapeutic effects by modulating the NF-κB/IκBα pathway.
  • BA demonstrates potential as a therapeutic agent for otitis media.
Keywords:
NF-κB/IκBα axisboswellic acidhuman middle ear epithelial cellsinflammationlipopolysaccharide

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