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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제27권 제9호
- 발행연도
- 2004.1
- 수록면
- 954 - 960 (7page)
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초록· 키워드
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Expression of the NF-$textsc{k}$B-dependent genes responsible for inflammation, such as TNF-$\alpha$, IL-1$\beta$, and nitric oxide synthase (NOS), contributes to chronic inflammation which is a major cause of neurodegenerative diseases (i.e. Alzheimer＇s disease). Although NF-$textsc{k}$B plays a biphasic role in different cells like neurons and microglia, controlling the activation of NF-$textsc{k}$B is important for its negative feedback in either activation or inactivation. In this study, we found that ursodeoxycholic acid (UDCA) inhibited I$textsc{k}$B$\alpha$ degradation to block expression of the NF-$textsc{k}$B-dependent genes in microglia when activated by $\beta$-amyloid peptide (A$\beta$). We also showed that when microglia is activated by $A\beta$42, the expression of A20 is suppressed. These findings place A20 in the category of ' protective ' genes, protecting cells from pro-inflammatory reper-toires induced in response to inflammatory stimuli in activated microglia via NF-$textsc{k}$B activation. In light of the gene and proteins for NF-$textsc{k}$B-dependent gene and inactivator for NF-$textsc{k}$B (I$textsc{k}$B$\alpha$), the observations now reported suggest that UDCA plays a role in supporting the attenuation of the production of pro-inflammatory cytokines and NO via inactivation of NF-$textsc{k}$B. Moreover, an NF-$textsc{k}$B inhibitor such as A20 can collaborate and at least enhance the anti-inflammatory effect in microglia, thus giving a potent benefit for the treatment of neurodegenerative diseases such as AD.uch as AD.
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