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NGF and CNTF expression and regulation mechanism by miRNA in acute paralytic strabismus

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Abstract

Background

Nerve growth factor (NGF) and ciliary neurotrophic factor (CNTF) are well-known neurotrophic factors and widely used in the clinical treatment for its promotion effect on peripheral nerve regeneration. And they were also recommended for the acute paralytic strabismus treatment. However, whether the NGF and CNTF have protective effect for the extraocular muscles of acute paralytic strabismus patients is still poorly understood.

Purpose

In this study, we want to evaluate the biological function of NGF and CNTF on the extraocular muscle cells and reveale the regulation mechanism behind it.

Methods

Firstly, the relative expression of ngf and cntf was assessed by quantitative real-time RT-PCR. Then, the influence of NGF and CNTF on the extraocular muscle cell proliferation was determined by CCK-8. The inflammatory response in muscle cells after NGF and CNTF treatment was evaluated by ELISA and ROS detection. In addition to this, the up-stream regulation of the ngf and cntf expression was also studied. The TargetScan was used for the predication of potential miRNAs targeting with ngf and cntf 30-UTR, which is soon confirmed by luciferase activity assay. Results: all the results in this research indicated that NGF and CNTF could promote the muscle cell proliferation and inhibit the inflammatory levels, then exert protective effect on the muscle cell function.

Results

All the results in this research indicated that NGF and CNTF could promote the muscle cell proliferation and inhibit the inflammatory levels, then exert protective effect on the muscle cell function.

Conclusion

It was conceivable that let 7-5p was the up-stream regulator of ngf and cntf, and let 7-5p might serve as a potential molecular target for acute paralytic strabismus treatment.

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Data availability

The data used to support the findings of this study are included within the article.

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Authors and Affiliations

  1. Department of Ophthalmology, Daping Hospital, Army Medical Center of PLA, Chongqing, China

    Hua Liu, Nian Tan, Duo Xu, Chong-Yi Li & Guang-Jun Xian

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  1. Hua Liu
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  2. Nian Tan
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  3. Duo Xu
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  4. Chong-Yi Li
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  5. Guang-Jun Xian
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Correspondence to Duo Xu.

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Liu, H., Tan, N., Xu, D. et al. NGF and CNTF expression and regulation mechanism by miRNA in acute paralytic strabismus. Int Ophthalmol 40, 975–984 (2020). https://doi.org/10.1007/s10792-019-01270-x

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  • DOI: https://doi.org/10.1007/s10792-019-01270-x

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