Remyelination modulators in multiple sclerosis patients

Rabeah Al-Temaimi1, Jehad AbuBaker2, Irina Al-Khairi2

  • 1Human Genetics Unit, Department of Pathology, Faculty of Medicine, Kuwait University, Jabriya, Kuwait.

Insights

This study found that lower brain-derived neurotrophic factor (BDNF) and higher lipocalin2 (LCN2) and neurofilament light chain (NF-L) are linked to Multiple Sclerosis (MS) development. Insulin growth factor binding protein 1 (IGFBP1) may indicate MS in females.

Area of Science:

  • Neuroimmunology
  • Neuroinflammation
  • Autoimmune Disorders

Background:

  • Multiple Sclerosis (MS) is a neuro-inflammatory disease impacting the central nervous system.
  • Remyelination is crucial for MS plaque resolution, influenced by oligodendrocytes and the microenvironment.
  • Understanding myelination modulators is key to MS pathogenesis and treatment.

Purpose of the Study:

  • To investigate circulating levels of myelination modulators in Multiple Sclerosis (MS) patients.
  • To identify potential biomarkers for MS, disease progression, and treatment response.
  • To explore sex-specific differences in MS-related biomarker levels.

Main Methods:

  • Assessed plasma levels of insulin growth factor binding protein 1 (IGFBP1), brain-derived neurotrophic factor (BDNF), and lipocalin2 (LCN2) in 100 MS patients and 77 healthy controls using Luminex multiplex assay.
  • Measured neurofilament light chain (NF-L) levels via enzyme-linked immunosorbent assay.
  • Correlated biomarker levels with clinical data, including sex, treatment, and conversion from clinically isolated syndrome (CIS) to MS.

Main Results:

  • MS patients exhibited significantly higher IGFBP1, LCN2, and NF-L levels, and lower BDNF levels compared to controls.
  • Elevated IGFBP1 levels were observed specifically in female MS patients.
  • Higher LCN2 levels were found in MS patients treated with fingolimod versus natalizumab; higher NF-L levels predicted CIS conversion to MS.

Conclusions:

  • Low BDNF and elevated LCN2 and NF-L are associated with MS pathogenesis.
  • High IGFBP1 may serve as a female-specific MS biomarker, suggesting sex-based differences in disease progression.
  • LCN2 and NF-L show potential as predictors for natalizumab treatment response and CIS conversion to MS, respectively.