β-Nicotinamide mononucleotide blocks UVB-induced collagen reduction via regulation of ROS/MAPK/AP-1 and stimulation of mitochondrial proline biosynthesis
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β-Nicotinamide mononucleotide (NMN), as a precursor of long-lived protein co-factor nicotinamide adenine dinucleotide (NAD+) in the human body, has demonstrated promising clinical value in treating photoaging and skin wounds. Previous research showed that NMN... ...
