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Cytokines and Gaucher biomarkers in glucocerebrosidase carriers with and without Parkinson disease

Jasmin Galper, Manisha Balwani, Stanley Fahn, Cheryl Waters, Lynne Krohn, Ziv Gan-Or, Nicolas Dzamko*, Roy N. Alcalay*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Homozygous and compound heterozygous variants in glucocerebrosidase (GBA) can cause Gaucher disease (GD), whereas heterozygous variants increase the risk of developing Parkinson's disease (PD). GD patients display altered peripheral immune proteins. However, it is unknown if these are altered in GBA carriers with PD. Objectives: To determine whether plasma cytokines and immune biomarkers associated with GD are also altered in GBA carriers with or without PD. Methods: Inflammatory cytokines and established GD biomarkers, ferritin, CD162, CCL18, and chitotriosidase (28 biomarkers) were measured in GBA pathogenic variant carriers with (n = 135) and without (n = 83) PD, and non-carriers with (n = 75) and without PD (n = 77). Results: PD patients with biallelic pathogenic variants in GBA had elevated plasma levels of ferritin, CCL18, and MIP1α. These biomarkers were not elevated in heterozygous GBA carriers. Conclusion: GD plasma biomarkers are not promising candidates for stratifying the risk for PD in carriers of heterozygous GBA pathogenic variants.

Original languageEnglish
Pages (from-to)1451-1455
Number of pages5
JournalMovement Disorders
Volume36
Issue number6
DOIs
Publication statusPublished - Jun 2021
Externally publishedYes

Bibliographical note

Copyright the Author(s) 2021. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • cytokine
  • Gaucher disease
  • glucocerebrosidase
  • inflammation
  • monocyte
  • Parkinson's disease

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