sTREM-1 and TNF-α levels are associated with the clinical outcome of leprosy patients

Márcio Bezerra-Santos, Lays G.Santos Bomfim, Camilla N.Oliveira Santos, Maria Wiliane N. Cunha, Eduardo J.Rocha de Moraes, Rodrigo A. Cazzaniga, Martha D.L. Tenório, Jonnia M.Sherlock Araujo, Lucas Menezes-Silva, Lucas Sousa Magalhães, Aline S. Barreto, Steven G. Reed, Malcolm S. Duthie, Michael W. Lipscomb, Roque Pacheco de Almeida, Tatiana Rodrigues de Moura, Amélia Ribeiro de Jesus

Research output: Contribution to journalArticlepeer-review

Abstract

Leprosy reaction (LR) and physical disability (PD) are the most significant clinical complications of leprosy. Herein, we assessed the circulating serum-sTREM-1 and TNF-α levels and their genetic polymorphisms in leprosy. Serum-sTREM-1 and TNF-α levels were measured in leprosy patients (LP) before treatment (n = 51) and from their household contacts (HHCs; n = 25). DNA samples were genotyped using TREM-1 rs2234246 and TNF-α rs1800629-SNP in 210 LPs and 168 endemic controls. The circulating sTREM-1 and TNF-α levels are higher in the multibacillary form. The ROC curve of the serum-sTREM-1 levels was able to differentiate LR from non-LR and PD from non-PD. Similarly, LPs with serum-sTREM-1 levels >210 pg/ml have 3-fold and 6-fold higher chances of presenting with LR and PD, respectively. Genotypes CC+CT of the TREM-1 were associated with leprosy. Taken together, our analyses indicated that sTREM-1 and TNF-α play an important role in the pathogenesis of leprosy and provide promising biomarkers to assist in the diagnosis of leprosy complications.

Original languageEnglish (US)
Article number1177375
JournalFrontiers in Medicine
Volume10
DOIs
StatePublished - 2023

Bibliographical note

Publisher Copyright:
Copyright © 2023 Bezerra-Santos, Bomfim, Santos, Cunha, de Moraes, Cazzaniga, Tenório, Araujo, Menezes-Silva, Magalhães, Barreto, Reed, Duthie, Lipscomb, de Almeida, de Moura and de Jesus.

Keywords

  • immune markers
  • inflammatory cytokine
  • leprosy
  • leprosy complications
  • soluble TREM-1

PubMed: MeSH publication types

  • Journal Article

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