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The in vitro cytoprotective and anti-oxidative effects of ursodeoxycholic acid, a major active compound from
bear’s gall were investigated in mouse brain microglia. In the present study, we wished to scrutinize the potential role of
UDCA as an anti-neurodegenerative agent in neurodegenerative disease such as Alzheimer’s disease. This concept was
supported by the multiple preliminary studies in which UDCA has an anti-inflammatory effect in microglial cells. In the
study, we found that 7.5 µg/mL UDCA was effective in the protection of cells from H2O2 damage, a reactive oxygen, and
the result was coincided with the anti-apoptotic effect in DAPI staining. Moreover, the metal-catalyzed oxidation study
showed that UDCA has antioxidant effect as much as ascorbic acid at 50~100 µg/mL. In conclusion, these study results
suggested that neuro-degenerative diseases such as Alzheimer’s disease probably caused by over-expressed beta amyloid
peptide in elderly people can be controled by UDCA through an anti-inflammatory, anti-oxidative and anti-apoptotic effect.
The evidences showed in the study may be references for more in-depth in vivo and clinical studies for a candidate of
anti-neurodegenerative therapy in the near future.번호 | 참고문헌 | 국회도서관 소장유무 |
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1 | (1988) Free radicals in medicine, | 미소장 |
2 | (2004) Free radical scavenging activity of extractsprepared from fresh leaves of selected chinese medical plants, | 미소장 |
3 | (2001) The antioxidant ability and nitritescavenging ability of plant extracts, | 미소장 |
4 | (2002) Lipid peroxidation in aging brain andAlzheimer’s disease, | 미소장 |
5 | (2002) Oxidative stress in brain aging Implicationsfor therapeutics of neurodegenerative diseases, | 미소장 |
6 | (1998) Bile acids of Fel Ursi, | 미소장 |
7 | (1996) Pharmacological action ofbear bile extract in mice, | 미소장 |
8 | (1997) Effects of bear bileinjection on blood lipid, | 미소장 |
9 | (1989) Effect of ursodeoxycholicacid on water immersion restraint stress ulcer of rats, | 미소장 |
10 | (1995) Anti-stress effects of ursodeoxycholic acid onthe restraint stress in rats, | 미소장 |
11 | (1998) A study on anti-stress activitiesof cholic acid derivatives, | 미소장 |
12 | (1999) Ursodeoxycholic acid prevents cytochrome c release in apoptosisby inhibiting mitochondrial membrane depolarization andchannel formation, | 미소장 |
13 | (2001) Alzheimer’s disease: genes, proteins, and therapy., | 미소장 |
14 | (1999) Selective modulation ofBV-2 microglial activation by prostaglandin E Differentialeffects on endotoxin-stimulated cytokine induction, | 미소장 |
15 | (2004) A new anti-inflammatory agent KL-1037 represses proinflammatory cytokine and inducible nitric oxide synthase (iNOS) gene expression in activated microglia., | 미소장 |
16 | (2004) Gangliosides activate microglia via protein kinase C and NADPH oxidase. , | 미소장 |
17 | (2004) Potential role of ursodeoxycholic acidin suppression of nuclear factor kappa B in microglial cell line, | 미소장 |
18 | (2005) Inhibition of iNOS expressionvia ursodeoxycholic acid in murine microglial cells BV-2 cell line. , | 미소장 |
19 | (2001) Comparative analysis of using MTTand XTT in colorimetric assays for quantitative bovine neutrophilbactericidal activity, | 미소장 |
20 | (1997) Hydrogenperoxide-mediated degradation of protein different oxidationmodes of copper- and iron-dependent hydroxyl radicals on thedegradation of albumin, | 미소장 |
21 | (2003) Protection against oxidative protein damage induced bymetal-catalyzed reaction or alkylperoxyl radicals comparativeeffects of melatonin and other antioxidants, | 미소장 |
22 | (2004) Protective effectof heat shock protein 70 against oxidative stresses in human cornealfibroblasts, | 미소장 |
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