國家衛生研究院 NHRI:Item 3990099045/13752
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    題名: Coactivation of gsk3Beta and igf-1 attenuates amyotrophic lateral sclerosis nerve fiber cytopathies in SOD1 mutant patient-derived motor neurons
    其他題名: Coactivation of gsk3β and igf-1 attenuates amyotrophic lateral sclerosis nerve fiber cytopathies in SOD1 mutant patient-derived motor neurons
    作者: Ting, HC;Yang, HI;Harn, HJ;Chiu, IM;Su, HL;Li, X;Chen, MF;Ho, TJ;Liu, CA;Tsai, YJ;Chiou, TW;Lin, SZ;Chang, CY
    貢獻者: Institute of Cellular and Systems Medicine
    摘要: Amyotrophic lateral sclerosis (ALS) is a progressive nervous system disease that causes motor neuron (MN) degeneration and results in patient death within a few years. To recapitulate the cytopathies of ALS patients’ MNs, SOD1G85R mutant and corrected SOD1G85G isogenic-induced pluripotent stem cell (iPSC) lines were established. Two SOD1 mutant ALS (SOD1G85R and SOD1D90A), two SOD1 mutant corrected (SOD1G85G and SOD1D90D), and one sporadic ALS iPSC lines were directed toward MNs. After receiving ~90% purity for MNs, we first demonstrated that SOD1G85R mutant ALS MNs recapitulated ALS-specific nerve fiber aggregates, similar to SOD1D90A ALS MNs in a previous study. Moreover, we found that both SOD1 mutant MNs showed ALS-specific neurite degenerations and neurotransmitter-induced calcium hyperresponsiveness. In a small compound test using these MNs, we demonstrated that gastrodin, a major ingredient of Gas-trodia elata, showed therapeutic effects that decreased nerve fiber cytopathies and reverse neuro-transmitter-induced hyperresponsiveness. The therapeutic effects of gastrodin applied not only to SOD1 ALS MNs but also to sporadic ALS MNs and SOD1G93A ALS mice. Moreover, we found that coactivation of the GSK3β and IGF-1 pathways was a mechanism involved in the therapeutic effects of gastrodin. Thus, the coordination of compounds that activate these two mechanisms could reduce nerve fiber cytopathies in SOD1 ALS MNs. Interestingly, the therapeutic role of GSK3β activation on SOD1 ALS MNs in the present study was in contrast to the role previously reported in research using cell line-or transgenic animal-based models. In conclusion, we identified in vitro ALS-specific nerve fiber and neurofunctional markers in MNs, which will be useful for drug screening, and we used an iPSC-based model to reveal novel therapeutic mechanisms (including GSK3β and IGF-1 activation) that may serve as potential targets for ALS therapy.
    日期: 2021-10-16
    關聯: Cells. 2021 Oct 16;10(10):Article number 2773.
    Link to: http://dx.doi.org/10.3390/cells10102773
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2073-4409&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000713786600001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85117094475
    顯示於類別:[邱英明] 期刊論文

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