Journal of Nutrition and Health

  • 제37권3호
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  • Pages.176-181
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  • 2004
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  • 2288-3886(pISSN)
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  • 2288-3959(eISSN)
한국영양학회 (The Korean Nutrition Society)
권호 표지

뇌 조직의 아세틸콜린 및 그 관련효소에 미치는 솔잎(Pine Needle) 부탄올획분의 영향

Effects of Pine Needle Butanol Fraction on Acetylcholine (ACh) and Its Related Enzymes in Brain of Rats

  • 발행 : 2004.04.01
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초록

솔잎 BuOH획분을 하루 25, 50, 100 mg/kg BW로써 SD계 랫트에 45일 동안 투여하여 뇌조직획분의 콜레스테롤 및 LF의 침착, ACh 및 ACh의 합성효소, ChAT, 신경전달에 관여하는 효소 AChE의 활성, 카테콜라민계 신경 전달물질의 파괴효소 MAO-B의 활성에 미치는 영향을 평가하였다. 뇌조직의 mitochnodria 및 microsome 획분 중의 콜레스테롤이 BuOH-50 및 BuOH-100 투여그룹에서 14∼17% 및 23∼34%의 통계적인 억제효과가 인정되었고, 뇌조직에 대한 LF도 BuOH-50 및 BuOH-100 투여그룹에서 10∼14%의 유의적인 침착 억제효과가 인정되었다. 뇌조직중의 신경전달물질 ACh의 함량 및 ACh의 합성효소 ChAT의 활성은 BuOH획분의 거의 용량의존적으로 증가현상이 나타났지만, BuOH-50 및 BuOH-100 투여그룹에서 각각 11∼17% 및 11∼23%의 통계적인 증가효과가 인정되었을 뿐만 아니라 AChE의 활성도 BuOH-50 및 BuOH-100 투여그룹에서 14∼17%의 통계적인 증가효과가 인정되었다. 뇌조직중의 MAO-B의 활성은 BuOH 획분의 거의 용량의존적으로 억제하였지만, 그 유의성은 인정할 수 없었다. 따라서 솔잎 BuOH 획분의 투여는 뇌조직의 유동성을 축진하고 콜레스테롤의 침착을 억제하며 ACh와 그 관련효소의 활성을 촉진하여 기억ㆍ학습의 증진에 매우 효과적으로 작용할 것으로 기대된다.

This study was designed to investigate the effects of buthanol (BuOH) fraction of pine (Pinus densiflora Sieb et Zucc) needle on cholesterol and lipofuscin (LF) accumulations, acetylcholine (ACh) and its related enzyme activities such as choline acetyltransferase (CAhT) and acetylcholinesterase (AChE), and monoamone oxidase-B (MAO-B) activity, which destroyed the catecholamine-related neurotransmitters in brain membranes of Sprague-Dawley (SD) rats. Male SD rats were fed basic diets (control group) or experimental diets (BuOH-25, BuOH-50 and BuOH-100) for 45 days. Cholesterol accumulations in mitochondria and microsomes were significantly inhibited (about 14 - 17％ and 23 - 34％, respectvely) in BuOH-50 and BuOH-100 groups, whereas LF levels were significantly inhibited (about 10 - 14％) in BuOH-50 and BuOH-100 groups compared with control group. ACh levels and ChAT activities were significantly increased (about 11 - 17％ and 11 - 23％, respectively) in membranes of BuOH-50 and BuOH-100 groups compared with control group. AChE activities were significantly increased (about 14 - 17％) in membranes of BuOH-50 and BuOH-100 groups. There was no significant difference in MAO-B activities between control and experimental diet groups. The results suggest that butanol fraction of pine needle may play an effective role in an antiaging effect and improving a learning and memory impairments.

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