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Paraspinal muscle gene expression across different aetiologies in individuals undergoing surgery for lumbar spine pathology. | LitMetric

AI Article Synopsis

  • The study aimed to investigate differences in gene expression in multifidus muscles from patients with different lumbar issues: disc herniation, facet arthropathy, and degenerative spondylolisthesis.
  • Researchers analyzed biopsies from 44 patients and measured the expression of 42 genes using qPCR, applying statistical methods to compare gene expression across the diagnostic groups.
  • Results revealed that the COL3A1 gene was significantly more expressed in the disc herniation and facet arthropathy groups compared to the degenerative spondylolisthesis group, suggesting potential biological differences that require further research.

Article Abstract

Purpose: The purpose of this study was to understand potential baseline transcriptional expression differences in paraspinal skeletal muscle from patients with different underlying lumbar pathologies by comparing multifidus gene expression profiles across individuals with either disc herniation, facet arthropathy, or degenerative spondylolisthesis.

Methods: Multifidus biopsies were obtained from patients (n = 44) undergoing lumbar surgery for either disc herniation, facet arthropathy, or degenerative spondylolisthesis. Diagnostic categories were based on magnetic resonance images, radiology reports, and intraoperative reports. Gene expression for 42 genes was analysed using qPCR. A one-way analysis of variance was performed for each gene to determine differences in expression across diagnostic groups. Corrections for multiple comparisons across genes (Benjamini-Hochberg) and for between-group post hoc comparisons (Sidak) were applied.

Results: Adipogenic gene (ADIPOQ) expression was higher in the disc herniation group when compared to the facet arthropathy group (p = 0.032). Adipogenic gene (PPARD) expression was higher in the degenerative spondylolisthesis group when compared to the disc herniation group (p = 0.013), although absolute gene expression levels for all groups was low. Fibrogenic gene (COL3A1) had significantly higher expression in the disc herniation group and facet arthropathy group when compared to the degenerative spondylolisthesis group (p < 0.001 and p = 0.038, respectively). When adjusted for multiple comparisons, only COL3A1 remained significant (p = 0.012).

Conclusion: Individuals with disc herniation and facet arthropathy demonstrate higher COL3A1 gene expression compared to those with degenerative spondylolisthesis. Future research is required to further understand the biological relevance of these transcriptional differences.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10448537PMC
http://dx.doi.org/10.1007/s00586-023-07543-5DOI Listing

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