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08:27
Evaluation of Motor Impairment in C. elegans Models of Amyotrophic Lateral Sclerosis
Published on: September 2, 2021
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Interleukin-6 and amyotrophic lateral sclerosis
Ana Pronto-Laborinho1, Susana Pinto1, Marta Gromicho1
1Institute of Physiology and Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal.
Journal of the Neurological Sciences
|January 26, 2019
Summary
Interleukin-6 (IL-6) levels in amyotrophic lateral sclerosis (ALS) patients were higher and linked to respiratory dysfunction. These findings suggest IL-6 may play a role in ALS progression, influenced by aging and pulmonary inflammation.
Area of Science:
- Neuroscience
- Immunology
- Respiratory Medicine
Background:
- Interleukin-6 (IL-6) is an inflammatory cytokine implicated in disease progression.
- Investigated venous blood levels of IL-6 in amyotrophic lateral sclerosis (ALS) patients and controls.
Purpose of the Study:
- To examine the relationship between IL-6 levels, clinical staging, and respiratory function in ALS.
- To understand the influence of aging on IL-6 levels in healthy individuals and ALS patients.
Main Methods:
- Studied 82 ALS patients and 43 healthy controls.
- Measured IL-6 levels, ALSFRS-R, vital capacity, and phrenic nerve CMAP amplitude.
- Utilized multi-regression analysis alongside conventional statistical methods.
Main Results:
- IL-6 levels correlated positively with age in controls.
- Mean IL-6 levels were elevated in ALS patients but highly variable.
- Reduced phrenic nerve CMAP amplitude in ALS patients correlated with increased IL-6 levels (p=0.026).
Conclusions:
- IL-6 levels are influenced by aging in controls and respiratory dysfunction in ALS.
- Marked variability in IL-6 levels among ALS patients may relate to respiratory factors and pulmonary inflammation.
- IL-6 may be a relevant biomarker for respiratory compromise in ALS.
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