학술논문

Monocyte biomarkers define sargramostim treatment outcomes for Parkinson's disease.
Document Type
Article
Source
Clinical & Translational Medicine. Jul2022, Vol. 12 Issue 7, p1-23. 23p.
Subject
*PARKINSON'S disease
*GRANULOCYTES
*GRANULOCYTE-macrophage colony-stimulating factor
*CEREBROSPINAL fluid
*TREATMENT effectiveness
*BIOMARKERS
*NATURAL immunity
Language
ISSN
2001-1326
Abstract
Background: Dysregulation of innate and adaptive immunity heralds both the development and progression of Parkinson's disease (PD). Deficits in innate immunity in PD are defined by impairments in monocyte activation, function, and pro‐inflammatory secretory factors. Each influences disease pathobiology. Methods and Results: To define monocyte biomarkers associated with immune transformative therapy for PD, changes in gene and protein expression were evaluated before and during treatment with recombinant human granulocyte‐macrophage colony‐stimulating factor (GM‐CSF, sargramostim, Leukine®). Monocytes were recovered after leukapheresis and isolation by centrifugal elutriation, before and 2 and 6 months after initiation of treatment. Transcriptome and proteome biomarkers were scored against clinical motor functions. Pathway enrichments from single cell‐RNA sequencing and proteomic analyses from sargramostim‐treated PD patients demonstrate a neuroprotective signature, including, but not limited to, antioxidant, anti‐inflammatory, and autophagy genes and proteins (LRRK2, HMOX1, TLR2, TLR8, RELA, ATG7, and GABARAPL2). Conclusions: This monocyte profile provides an "early" and unique biomarker strategy to track clinical immune‐based interventions, but requiring validation in larger case studies. [ABSTRACT FROM AUTHOR]