NF-κB signaling contributes to the inhibitory effects of Bombyx batryticatus on neuroinflammation caused by MPTP toxicity

Authors

  • Hye-Sun Lim Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do, 58245, Republic of Korea. https://orcid.org/0000-0003-0727-3864
  • Yumi Jang Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do, 58245, Republic of Korea.
  • Byeong Cheol Moon Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do, 58245, Republic of Korea. https://orcid.org/0000-0001-8911-831X
  • Gunhyuk Park Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, 111 Geonjae-ro, Naju-si, Jeollanam-do, 58245, Republic of Korea. https://orcid.org/0000-0001-8911-831X

DOI:

https://doi.org/10.3329/bjp.v16i3.53611

Abstract

Bombyx batryticatus, the dried larvae of Bombyx mori infected by Beauveria bassiana, is a renowned traditional medicine. Previous report shows that B. batryticatus improved behavioral impairments, protected dopaminergic neurons, and maintained dopamine levels by inhibiting oxidative signaling in murine Parkinson’s disease  model. In this study, the inhibitory effects of B. batryticatus on 1-methyl 4-phenyl 1,2,3,6-tetrahydropyridine (MPTP)-induced Parkinson’s disease in mice was investigated and explored the corresponding molecular mechanisms, while focusing on NF-κB signaling. Consequently, it was found that B. batryticatus inhibited glial and microglial activation and the levels of neuroinflammatory mediators, such as Cox-2, iNOS, and NF-kB, in the substantia nigra pars compacta. Moreover, pre-inhibition of NF-κB by BAY 11-7082, a κB kinase inhibitor, could neutralize the inhibitory effects of B. batryticatus against the activation of glia and microglia formerly induced by MPTP. It can be considered that B. batryticatus holds implications in providing anti-inflammatory neuroprotection by regulating NF-κB signaling.

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Published

2021-08-05 — Updated on 2021-08-05

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How to Cite

Lim, H.-S., Y. Jang, B. C. Moon, and G. Park. “NF-κB Signaling Contributes to the Inhibitory Effects of Bombyx Batryticatus on Neuroinflammation Caused by MPTP Toxicity”. Bangladesh Journal of Pharmacology, vol. 16, no. 3, Aug. 2021, pp. 96-102, doi:10.3329/bjp.v16i3.53611.

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Research Articles