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NTIS 바로가기한국치위생학회지 = Journal of Korean Society of Dental Hygiene, v.11 no.4, 2011년, pp.419 - 426
Originally, vitamin K was defined as a factor for blood coagulation. Now more attention is focused on vitamin K for bone metabolism and bone health. Vitamin K is a coenzyme for glutamate carboxylase which converts glutamate residues to
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핵심어 | 질문 | 논문에서 추출한 답변 |
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골다공증은 어떻게 분류할 수 있는가? | 그러나 골 흡수에는 큰 변화가 없지만 골 생성능력이 크게 저하됨에 따라 골량과 골 밀도가 감소하고, 미세골격구조가 퇴화되면 골다공증이 발생하며, 골다공증은 골절의 주요 원인이 된다. 골다공증은 폐경에 따라 발생하는 골다공증, 노화에 의해 발생하는 골다공증 및 스테로이드와 같은 약물에 의한 골다공증으로 분류할 수 있다1). | |
골조직의 역할은 무엇인가? | 골조직은 인체의 중요한 내부 장기를 외력으로부터 보호하고, 골수를 보호하여 조혈기능을 유지하며, 인체에서 칼슘과 인산 등의 무기물을 저장한다. 골조직은 성장을 마친 후에도 지속적인 골개조가 일어난다. | |
골모세포의 기능은 무엇인가? | 골모세포는 칼슘 결합 단백질인 osteocalcin(bone Gla-protein)을 생성하며, matrix Gla-protein(MGP) 과 단백질 S는 연골, 혈관 등을 포함한 연조직에서 생성된다. 이들의 기능은 아직까지 명확하지 않지만 osteocalcin과 MGP는 뼈의 무기질 형성을 촉진시키고, 단백질 S는 세포 증식을 촉진시키는 것으로 알려져 있다16). 또한 MGP는 동맥과 연골의 석회화를 억제하기도 한다17,18). |
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