The novel mitochondria activator, 10-ethyl-3-methylpyrimido[4,5-b]quinoline-2,4(3H,10H)-dione (TND1128), promotes the development of hippocampal neuronal morphology
2021
Katsurabayashi, Shutaro | Oyabu, Kohei | Kubota, Kaori | Watanabe, Takuya | Nagamatsu, Tomohisa | Akaike, Norio | Iwasaki, Katsunori
Adenosine triphosphate (ATP) is the most vital energy source produced mainly in the mitochondria. Age-related mitochondrial dysfunction is associated with brain diseases. Nicotinamide adenine dinucleotide (NAD⁺) is an essential cofactor for energy production in mitochondria. Here, we examined how the novel NAD⁺-assisting substance, 10-ethyl-3-methylpyrimido[4,5-b]quinoline-2,4(3H,10H)-dione (TND1128), modulates the morphological growth of cultured mouse hippocampal neurons. The morphological growth effect of TND1128 was also compared with that of β-nicotinamide mononucleotide (β-NMN). TND1128 induced the branching of axons and dendrites, and increased the number of excitatory synapses. This study provides new insight into TND1128 as a mitochondria-stimulating drug for improving brain function.
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