LncRNA ILF3AS1, MMP3, and MMP9 as well as miRNA-212 as emerging novel biomarkers for childhood epilepsy

Amena Rezk Mohammed1, Wafaa Abdelaziz Emam1, Shaymaa A Mohammed2

  • 1Biochemistry Department, Faculty of Medicine (for Girls), Al-Azhar University, Cairo, Egypt.

PubMed

Insights

This study found higher levels of ILF3AS1, MMP3, and MMP9, and lower levels of miRNA-212 in children with epilepsy. These biomarkers show promise for predicting and monitoring pediatric epilepsy.

Area of Science:

  • Biochemistry
  • Genetics
  • Pediatric Neurology

Background:

  • Epilepsy affects millions globally, with infants being a significant demographic.
  • Understanding epilepsy pathophysiology is crucial for early detection and management.
  • Interleukin enhancer binding factor 3 antisense RNA 1 (ILF3AS1), a long non-coding RNA, is implicated in epileptogenesis by upregulating matrix metalloproteinase 3 (MMP3) and MMP9.

Purpose of the Study:

  • To evaluate serum levels of ILF3AS1, MMP3, MMP9, and microRNA-212 (miRNA-212) as potential biomarkers in pediatric epilepsy.
  • To correlate these molecular markers with magnetic resonance imaging (MRI) findings in children with epilepsy.

Main Methods:

  • Quantitative real-time polymerase chain reaction (qPCR) was used to measure serum ILF3AS1 and miRNA-212 levels.
  • Enzyme-linked immunosorbent assay (ELISA) determined serum MMP3 and MMP9 concentrations.
  • Comparison was made between 50 children with epilepsy and 50 healthy controls, alongside MRI and biochemical data.

Main Results:

  • Children with epilepsy exhibited significantly elevated ILF3AS1, MMP3, and MMP9 levels, alongside decreased miRNA-212 levels compared to controls.
  • miRNA-212 fold-change was a significant negative predictor of epilepsy (odds ratio = 0.153, p = 0.000).
  • Receiver operating characteristic (ROC) analysis indicated high predictive accuracy for these biomarkers, particularly miRNA-212 (Area Under Curve = 0.965).
  • Brain lesions were identified in 30% of epilepsy patients via MRI.

Conclusions:

  • Elevated serum ILF3AS1, associated with MMP3/MMP9 upregulation and miRNA-212 downregulation, suggests predictive value in pediatric epilepsy.
  • The ILF3AS1/miRNA-212/MMP3/MMP9 pathway presents a potential therapeutic target for epilepsy treatment.
  • These biomarkers may aid in monitoring epilepsy development and guiding treatment strategies.
Abstract