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Related Concept Videos

Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Neural Regulation01:37

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
Nervous Tissue: Myelin01:25

Nervous Tissue: Myelin

The myelin sheath is a multilayered lipid and protein covering that insulates the axon of a neuron, enhancing the speed of nerve impulse conduction. Axons without this sheath are referred to as unmyelinated. Two types of neuroglia, Schwann cells in the peripheral nervous system (PNS) and oligodendrocytes in the central nervous system (CNS) are responsible for producing myelin sheaths.
Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...

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Related Experiment Video

Updated: Jul 8, 2026

Scoring Central Nervous System Inflammation, Demyelination, and Axon Injury in Experimental Autoimmune Encephalomyelitis
08:17

Scoring Central Nervous System Inflammation, Demyelination, and Axon Injury in Experimental Autoimmune Encephalomyelitis

Published on: February 23, 2024

[Neurofilament protein light in multiple sclerosis].

Yan Zhang1, Xiang Li, Jian Qiao

  • 1Institute of Neurology, Huashan Hospital, Fudan University, Shanghai 200040, China.

Zhonghua Yi Xue Za Zhi
|January 3, 2008
PubMed
Summary

Neurofilament light (NF-L) and anti-NF-L antibody are not reliable biomarkers for diagnosing multiple sclerosis (MS). Elevated NF-L indicates axonal injury in various neurological conditions, but anti-NF-L antibody levels do not correlate with inflammation in MS.

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Related Experiment Videos

Last Updated: Jul 8, 2026

Scoring Central Nervous System Inflammation, Demyelination, and Axon Injury in Experimental Autoimmune Encephalomyelitis
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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
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Imaging and Analysis of Neurofilament Transport in Excised Mouse Tibial Nerve
09:52

Imaging and Analysis of Neurofilament Transport in Excised Mouse Tibial Nerve

Published on: August 31, 2020

Area of Science:

  • Neuroimmunology
  • Neurology
  • Biomarker Discovery

Context:

  • Multiple sclerosis (MS) diagnosis and prognosis require reliable biomarkers.
  • Neurofilament light (NF-L) protein and its antibody are potential candidates.
  • Understanding axonal injury and inflammatory markers is crucial in neurological diseases.

Purpose:

  • To evaluate neurofilament light (NF-L) and anti-NF-L antibody as diagnostic and prognostic markers for MS.
  • To compare NF-L and anti-NF-L antibody levels in MS patients with other neurological conditions and healthy controls.
  • To investigate the correlation between anti-NF-L antibody levels and other inflammatory markers.

Summary:

  • Cerebrospinal fluid (CSF) NF-L levels were elevated in MS, neuromyelitis optica (ONM), other inflammatory neurological diseases (OIND), and noninflammatory neurological diseases (NIND) compared to controls, indicating general axonal injury.
  • Serum NF-L was not detected in any group.
  • CSF anti-NF-L antibody levels were lower in MS than OIND but higher than NIND and controls, and positively correlated with anti-myelin basic protein (MBP) antibody and IgG levels in MS patients.

Impact:

  • NF-L and anti-NF-L antibody are not suitable as specific diagnostic or prognostic biomarkers for MS.
  • Elevated CSF NF-L suggests axonal damage is common across various neurological disorders, not exclusive to MS.
  • The study indicates inflammation may not directly drive anti-NF-L antibody generation linked to axonal injury.