Pediatric rheumatology

Interplay of NF-κB and PPAR-γ transcription factors in patients with juvenile systemic lupus erythematosus

Lupus Sci MedPublished Cross-sectional study

Authors' conclusion

The observed trend of elevated NF-κB levels and decreased PPAR-γ levels in our study suggests their potential as biomarkers associated with increased proinflammatory signalling in jSLE and jSSc.

Study context

Population
Children with Juvenile SLE (jSLE), juvenile systemic sclerosis (jSSc) and age-matched healthy children
Participants
42 / 19 / 25
Exposure
jSLE vs jSSc vs healthy controls
  • jSLEn = 42
  • jSScn = 19
  • Healthy controlsn = 25reference
Outcome
Serum NF-κB and PPAR-γ levels (immunoassay) as biomarkers for jSLE
Methodological detailsage-matched healthy controls, patient control (jSSc)
  • Age-matched healthy controls
  • Patient control (jSSc)

Main finding

As reported in the abstract

OR, PPAR-γ <2.42 ng/mL

7.59

jSLE

OR, PPAR-γ <2.16 ng/mL

10.90

jSSc

Combined high NF-κB with low PPAR-γ increased risk of developing jSSc (fold)
21.33

Observational data: associations, not effects.

Further findings

OutcomeP value
NF-κB levels in jSLE with vs without cumulative damage (PedSDI≥1)Significantly higherP = 0.044

Original publication

Interplay of NF-κB and PPAR-γ transcription factors in patients with juvenile systemic lupus erythematosus. Lupus Sci Med. Published 8 January 2025. doi:10.1136/lupus-2024-001263

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