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. 2022 Jan 16;23(2):951.
doi: 10.3390/ijms23020951.

Expression Profile of miRs in Mesial Temporal Lobe Epilepsy: Systematic Review

Kristina D Yakovleva  1 , Diana V Dmitrenko  1 , Iulia S Panina  1 , Anna A Usoltseva  1 , Kirill A Gazenkampf  1 , Olga V Konovalenko  1 , Elena A Kantimirova  1 , Maxim A Novitsky  2 , Regina F Nasyrova  2   3 , Natalia A Shnayder  2   4
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Expression Profile of miRs in Mesial Temporal Lobe Epilepsy: Systematic Review

Kristina D Yakovleva et al. Int J Mol Sci. .

Abstract

Temporal lobe epilepsy (TLE) is one of the most common forms of focal epilepsy in children and adults. TLE is characterized by variable onset and seizures. Moreover, this form of epilepsy is often resistant to pharmacotherapy. The search for new mechanisms for the development of TLE may provide us with a key to the development of new diagnostic methods and a personalized approach to the treatment. In recent years, the role of non-coding ribonucleic acids (RNA) has been actively studied, among which microRNA (miR) is of the greatest interest. (1) Background: The purpose of the systematic review is to analyze the studies carried out on the role of miRs in the development of mesial TLE (mTLE) and update the existing knowledge about the biomarkers of this disease. (2) Methods: The search for publications was carried out in the databases PubMed, Springer, Web of Science, Clinicalkeys, Scopus, OxfordPress, Cochrane. The search was carried out using keywords and combinations. We analyzed publications for 2016-2021, including original studies in an animal model of TLE and with the participation of patients with TLE, thematic and systemic reviews, and Cochrane reviews. (3) Results: this thematic review showed that miR‒155, miR‒153, miR‒361‒5p, miR‒4668‒5p, miR‒8071, miR‒197‒5p, miR‒145, miR‒181, miR‒199a, miR‒1183, miR‒129‒2‒3p, miR‒143‒3p (upregulation), miR-134, miR‒0067835, and miR‒153 (downregulation) can be considered as biomarkers of mTLE. However, the roles of miR‒146a, miR‒142, miR‒106b, and miR‒223 are questionable and need further study. (4) Conclusion: In the future, it will be possible to consider previously studied miRs, which have high specificity and sensitivity in mTLE, as prognostic biomarkers (predictors) of the risk of developing this disease in patients with potentially epileptogenic structural damage to the mesial regions of the temporal lobe of the brain (congenital disorders of the neuronal migration and neurogenesis, brain injury, neuro-inflammation, tumor, impaired blood supply, neurodegeneration, etc.).

Keywords: biomarker; diagnostic panel; epilepsy; epileptogenesis; genetics; microRNA; seizure; temporal lobe epilepsy; therapeutic resistance.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Flow chart diagram visualizing the database searches, number of publications identified, screened, and final full texts included in the present systematic review.
Figure 2
Figure 2
MicroRNA biomarkers for mesial temporal lobe epilepsy.
Figure 3
Figure 3
New microRNA diagnostic panels for mesial temporal lobe epilepsy.
See this image and copyright information in PMC

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