LATENT REFERENCES / TAG2
Neuromelanin
Original title: Neuromelanin
This reference note belongs to Tag2 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Physics. The note preserves its source text and links so that readers can trace the material behind the 3D map.
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Neuromelanin gives distinctive coloration to particular brain regions, such as the substantia nigra and locus coeruleus. It is a type of melanin, resembling other forms of peripheral melanin. It is insoluble in organic compounds and can be labeled by silver staining. It is called neuromelanin because of its function and the color changes appearing in tissues containing it. It contains black/brown pigment granules. Neuromelanin is known to accumulate with age, particularly after 2–3 years following birth. It is thought to protect neurons in the substantia nigra from iron-induced oxidative stress. It is considered a true melanin because of its stable free-radical structure and strongly chelates metals.
ニューロメラニンは、黒質や青斑核などの特定の脳部分に独特の色を与えます。これはメラニンの一種であり、他の形態の末梢メラニンに似ています。有機化合物に不溶性であり、銀染色により標識することができます。それは、その機能と、それを含む組織に現れる色の変化のため、ニューロメラニンと呼ばれます。黒/茶色の色素顆粒が含まれています。ニューロメラニンは加齢に伴い、特に生後2 ~ 3 年後に蓄積することがわかっています。黒質のニューロンを鉄誘発性の酸化ストレスから保護すると考えられています。それは安定したフリーラジカル構造により真のメラニンであると考えられており、金属を強力にキレートします。
Source updated 2024-01-30 · Snapshot 2026-10-08
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- NeuromelaninComputed lexical cosine similarity 0.248 · shared title, text, tags and references