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Publication : The Serum SIRT1 Protein is Associated with the Severity of Injury and Neurological Recovery in Mice with Traumatic Spinal Cord Injury.

First Author  Zhong G Year  2021
Journal  Neuroscience Volume  469
Pages  103-109 PubMed ID  34171408
Mgi Jnum  J:312530 Mgi Id  MGI:6764682
Doi  10.1016/j.neuroscience.2021.06.025 Citation  Zhong G, et al. (2021) The Serum SIRT1 Protein is Associated with the Severity of Injury and Neurological Recovery in Mice with Traumatic Spinal Cord Injury. Neuroscience 469:103-109
abstractText  The present study aimed to investigate the association between the serum SIRT1 protein and the severity of spinal cord injury (SCI) as well as the neurological recovery in mice. In this study, the wild-type (WT), Mx1-Cre(+) SIRT1(loxP/loxP) (Mx1), and LCK-Cre(+)SIRT1(loxP/loxP) (LCK) mice were subjected to sham surgery, mild, moderate, or severe SCI, respectively. The serum was collected at intervals of 12 h, 1 day (d), 3 d, 5 d, 7 d, 10 d, 14 d, and 21 d after the injury. The locomotor function of all the animals was assessed using the Basso mouse scale (BMS) and the serum SIRT1 proteins were analyzed using enzyme-linked immunosorbent assay (ELISA). The results demonstrated that about 7-10 d after SCI, the levels of SIRT1 protein in the serum correlated significantly with the severity of the injury and at 28 d post-injury, there was a distant neurological recovery (BMS score). The serum SIRT1 concentration in both the Mx1 and LCK mice in the sham group was significantly reduced compared to that in the WT mice, and there was a delayed increase in the serum SIRT1 levels after injury. These findings indicate that the SIRT1 concentrations in the serum of the SCI mice closely correlated with the acute severity and neurological outcome.
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