ArticleAnnals of clinical and translational neurology2025
In Vitro Modeling of Natural Killer Cell Cytotoxicity to Inform Personalized ALS Therapeutics.
Article in Annals of clinical and translational neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Bridging the gap: neuroinflammation and the dawn of precision medicine in amyotrophic lateral sclerosis.Translational neurodegeneration · 2026Review
- Natural Killer Cell Dysregulation During ALS Disease Progression: A Gene Expression Analysis.Neurology open access · 2026Article
- Review
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
objectiveNatural killer (NK) cells might contribute to motor neuron death in amyotrophic lateral sclerosis (ALS) through direct cytotoxicity, a process that could be inhibited with the FDA-approved JAK/STAT pathway inhibitor, tofacitinib. This study aimed to verify that tofacitinib can suppress NK cell cytotoxicity, investigate if immune cell profiles can predict responsiveness to tofacitinib, and assess the role of NK cell cytotoxicity in ALS progression.
methodsPrimary NK cells were isolated from peripheral blood samples of ALS participants and healthy controls. NK cells were then co-cultured with target cancer cells, with or without tofacitinib, to assess their cytotoxic activity. Flow cytometry was used to generate immune profiles for each participant, based on 154 immune markers, to explore correlations with NK cell cytotoxicity and response to tofacitinib. The potential association between NK cell cytotoxicity and disease severity, as measured by the revised ALS Functional Rating Scale, was also assessed. All analyses were stratified by age and sex.
resultsTofacitinib effectively reduced the cytotoxicity of primary NK cells isolated from the blood of ALS participants (n = 80) and healthy controls (n = 71), with immune cell profiles correlating with the response to tofacitinib. However, NK cell cytotoxicity was lower in ALS participants compared to healthy controls and showed no association with ALS progression.
interpretationThese findings confirm that tofacitinib suppresses NK cell cytotoxicity, and that immune profiling may help identify treatment responder groups. However, further research is needed to fully understand the role and timing of NK cell activity in ALS pathogenesis.
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