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The bone Gla protein osteocalcin, the calcification-inhibiting matrix Gla protein (MGP), the cell growth regulating growth arrest specific gene 6 protein, and the four transmembrane Gla proteins, the function of which is at present unknown

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GHK-Cu (copper peptide) has a broader research profile in tissue repair and anti-inflammatory signaling

doi: 10.1016/j.brainresbull.2008.12.001 Summary Keywords bilirubin, dopaminergic neurons, inflammation, neurodevelopment, oxidative stress, Parkinson's disease Citation Zhang Y, Liu H, Cao H, Deng M, Han Z, Wu X, Wan Q, Wang R, Xu Y, Lai J, Jiang Y, Gong L, Liu Z, Lai K and Shi H (2026) Neuroprotective role of bilirubin in Parkinson's disease

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