미토콘드리아의 구조적 역동성의 신경계 발생 과정 기능 고찰
Perspective on the Role of Mitochondrial Dynamics in the Nervous System Development
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초록
최근에 이루어진 세포생물학적, 유전학적 연구들을 통하여 미토콘드리아의 구조 변화가 매우 역동적이며, dynamin- related protein(DRP)와 같은 다양한 단백질에 의해 조절 된다는 것이 알려지게 되었다. 미토콘드리아가 ATP 합성을 통한 세포내 신진대사에 관여하며, 소포체와 상호작용을 통하여 칼슘이온농도의 항상성 유지, 그리고 세포 사멸에서 중요한 역할을 한다는 사실을 고려해 볼 때, 미토콘드리아 구조 역동성 조절은 정상적인 세포의 성장과 항상성 유지와 매우 밀접한 관계에 있다. 이러한 점에서, 미토콘드리아의 구조 역동성 변화가 신경세포의 발달에 큰 영향을 줄 것으로 생각된다. 이 논문에서는 미토콘드리아의 구조 역동성을 조절하는 단백질들을 소개하고, 신경세포의 발달과정에서 미토콘드리아의 구조 역동성 조절의 중요성에 대하여 전망하고자한다.
Abstract
Recent advances in cell biological and genetic researches have revealed that mitochondrial morphology is highly dynamic and regulated by multiple molecular factors including Dynamin-related proteins (DRPs). Considering that the mitochondria play critical roles in the cellular metabolism via ATP synthesis, calcium homeostasis in cooperation with endoplasmic reticulum, and apoptosis, the failure of mitochondrial dynamics is infrequently related to the failure in the normal growth and cellular integrity. In this respect, alteration of mitochondrial dynamics may greatly affect the development of nervous system. In this short review, we discussed molecules involved in the control of mitochondrial dynamics, and provide some perspectives on their significance in the neuronal development.
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