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Nerve Growth Factor is a Potential Treated Target in Tg(SOD1*G93A)1Gur Mice

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Abstract

Nerve growth factor (NGF) is a protective factor of neural cells; the possible relationship between the NGF and the pathogenesis of amyotrophic lateral sclerosis (ALS) hasn’t been completely known. In this study, we observed and analyzed the expression and distribution of NGF, as well as the possible relationship between the NGF expression and distribution and the neural cell death in both SOD1 wild-type (WT) and Tg(SOD1*G93A)1Gur (TG) mice applying the fluorescence immunohistochemistry method. The results showed that the expression and distribution of NGF in the anterior horn (AH), the lateral horn (LH), and the surrounding central canal (CC) significantly increased at the supper early stage of ALS (Pre-onset stage) and the early stage (Onset stage), but the NGF expression and distribution in the AH, the LH, and the surrounding CC significantly reduced at the progression stage. The astrocyte, neuron, and oligodendrocyte produced the NGF and the neural precursor cells (NPCs) produced the NGF. The neural cell death gradually increased accompanying with the reduction of NGF expression and distribution. Our data suggested that the NGF was a protective factor of neural cells, because the neural cells in the AH, the LH, and the surrounding CC produced more NGF at the supper early and early stage of ALS; moreover, the NPCs produced the NGF. It implied that the NGF exerted the protective effect of neural cells, prevented from the neural cell death and aroused the potential of self-repair in the development of ALS.

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All data generated or analyzed during this study are included in this published article.

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Acknowledgements

The work was supported financially by Grants from National Natural Science Foundation of China (30560042, 81160161 and 81360198), Education Department of Jiangxi Province (GJJ13198, GJJ170021), Jiangxi Provincial Department of Science and Technology ([2014]-47, 20142BBG70062, 20171BAB215022), Health and Family Planning Commission of Jiangxi province (20181019), and Jiangxi Provincial Department of Science and Technology Gan Po Elite 555 (Jiangxi Finance Elite Education Refers to [2015] 108).

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ZX, JJ, SX, and RX designed the study. ZX, JJ, SX, ZX, PH, and SJ performed the experiments. RX provided expertise and material. ZX, JJ, SX, and RX wrote the manuscript. All authors reviewed the manuscript.

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Correspondence to Renshi Xu.

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The authors declare that they have no conflicts of interest.

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All procedures performed in studies involving laboratory animal participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Research Involving Human and/or Animal Participants

This study included the use of the laboratory animals. No other biological samples derived from patients were used.

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The original online version of this article was revised: Zunchun Xie is affiliated only with Department of Neurology, First Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi, China.

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Xu, Z., Jiang, J., Xu, S. et al. Nerve Growth Factor is a Potential Treated Target in Tg(SOD1*G93A)1Gur Mice. Cell Mol Neurobiol 42, 1035–1046 (2022). https://doi.org/10.1007/s10571-020-00993-1

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  • DOI: https://doi.org/10.1007/s10571-020-00993-1

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