Transcriptomics

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Identification of unique genomic signatures in patients with fibromyalgia and chronic pain


ABSTRACT: Fibromyalgia is a chronic pain syndrome characterized by widespread pain. The pathophysiology of fibromyalgia is not clearly understood and there are no specific biomarkers available for accurate diagnosis. Here we define genomic signatures using high throughput RNA sequencing on 96 fibromyalgia and 93 matched controls. Our findings revealed two major fibromyalgia-associated expression signatures. The first group included 44 patients with a signature enriched for gene expression associated with extracellular matrix and downregulation of RhoGDI signaling pathway. The second group included 31 patients and showed a profound reduction in the expression of inflammatory mediators with an increased expression of genes involved in the CLEAR signaling pathway. These results suggest defective tissue homeostasis associated with the extra-cellular matrix and cellular program that regulates lysosomal biogenesis and participates in macromolecule clearance in fibromyalgia. Further elucidation of these pathways will lead to development of accurate diagnostic markers, and effective therapeutic options for fibromyalgia.

ORGANISM(S): Homo sapiens

PROVIDER: GSE221921 | GEO | 2024/02/21

REPOSITORIES: GEO

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