1.Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, Jiangsu Province, China
2.College of Medicine, Nantong University, Nantong 226001, Jiangsu Province, China
* syi@ntu.edu.cn;
huixu82@126.com
纸质出版:2021-09
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Characteristics of cytokines in the sciatic nerve stumps and DRG after rat sciatic nerve crush injury[J]. 解放军医学杂志(英文版), 2021,8(3):352-362.
Zhang et al.: Characteristics of cytokines in the sciatic nerve stumps and DRG after rat sciatic nerve crush injury. Mil Med Res, 2020, 7: 57.
Characteristics of cytokines in the sciatic nerve stumps and DRG after rat sciatic nerve crush injury[J]. 解放军医学杂志(英文版), 2021,8(3):352-362. DOI: 10.1186/s40779-020-00286-0.
Zhang et al.: Characteristics of cytokines in the sciatic nerve stumps and DRG after rat sciatic nerve crush injury. Mil Med Res, 2020, 7: 57. DOI: 10.1186/s40779-020-00286-0.
Background:
2
Cytokines are essential cellular modulators of various physiological and pathological activities
including peripheral nerve repair and regeneration. However
the molecular changes of these cellular mediators after peripheral nerve injury are still unclear. This study aimed to identify cytokines critical for the regenerative process of injured peripheral nerves.
Methods:
2
The sequencing data of the injured nerve stumps and the dorsal root ganglia (DRG) of Sprague-Dawley (SD) rats subjected to sciatic nerve (SN) crush injury were analyzed to determine the expression patterns of genes coding for cytokines. PCR was used to validate the accuracy of the sequencing data.
Results:
2
A total of 46
52
and 54 upstream cytokines were differentially expressed in the SN at 1 day
4 days
and 7 days after nerve injury. A total of 25
28
and 34 upstream cytokines were differentially expressed in the DRG at these time points. The expression patterns of some essential upstream cytokines are displayed in a heatmap and were validated by PCR. Bioinformatic analysis of these differentially expressed upstream cytokines after nerve injury demonstrated that inflammatory and immune responses were significantly involved.
Conclusions:
2
In summary
these findings provide an overview of the dynamic changes in cytokines in the SN and DRG at different time points after nerve crush injury in rats
elucidate the biological processes of differentially expressed cytokines
especially the important roles in inflammatory and immune responses after peripheral nerve injury
and thus might contribute to the identification of potential treatments for peripheral nerve repair and regeneration.
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