ArticleEuropean journal of histochemistry : EJH2021
Different fusion tags affect the activity of ubiquitin overexpression on spastin protein stability.
Article in European journal of histochemistry : EJH, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Exosomal FGD5-AS1 promotes proliferation of lung cancer cells under hypoxia by inhibiting miR-1179 and activating P-cadherin.Human cell · 2025Article
- CaMKIIβ-mediated Phosphorylation Enhances Protein Stability of Spastin to Promote Neurite Outgrowth.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- UCHL1-Mediated Spastin Degradation Regulates Microtubule Severing and Hippocampal Neurite Outgrowth.Journal of molecular neuroscience : MN · 2025Article
- Expression of Pivotal Long Non-coding RNAs Implicated in Gastric Cancer: A Bioinformatic and Clinical Study.Biochemical genetics · 2024Article
- Phosphorylation mutation impairs the promoting effect of spastin on neurite outgrowth without affecting its microtubule severing ability.European journal of histochemistry : EJH · 2023Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
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Abstract
Spastin is one of the proteins which lead to hereditary spastic paraplegia (HSP), whose dysfunction towards microtubule severing and membrane transporting is critically important. The present study is to elucidate the mechanisms of the protein stability regulation of spastin. The ubiquitin encoding plasmids are transfected into COS-7 cells with different fusion tags including Green Fluorescent Protein (GFP), mCherry and Flag. The expression level of spastin was detected, microtubule severing activity and neurite outgrowth were quantified. The data showed that ubiquitin overexpression significantly induced the decreased expression of spastin, suppressed the activity of microtubule severing in COS-7 cells and inhibited the promoting effect on neurite outgrowth in cultured hippocampal neurons. Furthermore, when modulating the overexpression experiments of ubiquitin, it was found that relatively small tag like Flag, but not large tags such as GFP or mCherry fused with ubiquitin, retained the activity on spastin stability. The present study investigated the effects of small/large tags addition to ubiquitin and the novel mechanisms of post-transcriptional modifications of spastin on regulating neurite outgrowth, in the attempt to experimentally elucidate the mechanisms that control the level or stability of spastin in hereditary spastic paraplegia.
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