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NTIS 바로가기생명과학회지 = Journal of life science, v.29 no.6 = no.230, 2019년, pp.747 - 753
최정현 (인제대학교 보건의료융합대학 물리치료학과) , 진윤호 (인제대학교 보건의료융합대학 물리치료학과) , 김주헌 (경상대학교 수의과대학 동물의학연구소) , 홍용근 (인제대학교 보건의료융합대학 물리치료학과)
Cognitive decline is characterized by reduced long-/short-term memory and attention span, and increased depression and anxiety. Such decline is associated with various degenerative brain disorders, especially Alzheimer's disease (AD) and Parkinson's disease (PD). The increases in elderly populations...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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인지기능 저하의 증상 특징은? | 인지기능 저하는 장 단기 기억 및 주의력 소실과 우울증, 불안증의 증가를 특징으로 한다. 또한, 인지기능 저하는 알츠하이머, 파킨슨병과 같은 다양한 퇴행성 뇌질환과 연관되어 있다. | |
파킨슨병에서 장내미생물 조성의 변화로 인한 영향을 알아보기 위해 동물 모델에 프로바이오틱스를 투입했을 때의 효과는 어떠했나? | 파킨슨병은 장내미생물 군집의 변화와 직접적인 연관성을 보였으며 이는 이차적 증상인 변비 발생에도 영향을 미치는 것으로 나타났다. 파킨슨병 동물모델에 투여한 프로바이오틱스는 단쇄지방산 중 하나인 뷰티르산 증가를 통한 신경세포 보호효과를 나타내었다. 또한, 알츠하이머병과 파킨슨병에서 뇌-혈관장벽의 기능이상이 밝혀졌으며, 뇌-혈관장벽 변화는 장내미생물 불균형에 의한 전신성 염증에 따른 미세소관의 파괴 및 투과성 증가와 연관된 것으로 나타났다. | |
장내세균총은 인간의 어느 시기부터 공존하는가? | 장내세균총(microbiota)은 사람 신체를 구성하는 세포수의 10배, 유전자의 100배 수준이라고 알려져 있으며 태아 발달시기부터 공존한다. 특히, 인체 기관 중 대장에 가장 많은 수(1014개)의 미생물이 존재한다고 보고되었으며[47], 이를 장내미생물(gut microbiota)이라고 한다. |
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