Serum Level of Musclin Is Elevated Following Severe Burn

Research output: Contribution to journalArticle

Abstract

Muscle wasting induced by severe burn worsens clinical outcomes is associated with hyperglycemia. A novel muscle-specific secretory factor, musclin, was reported to regulate glucose metabolism with a homologous sequence of natriuretic peptides. The purpose of the study was to investigate musclin expression in response to burn injury in both human and animal models. Serum was collected from 13 adult burn patients and circulating levels of musclin protein were measured via elisa. The cytokine profile was measured by Bio-Plex multiple immunoassay. Following the clinical study, we used a burn rat model with 40% TBSA to study the time course of musclin expression till day 14. Rat serum and muscle tissue sample were harvested. Finally, an in vitro study was applied to investigate whether the muscle cell C2C12 myoblast expressed musclin under 10% burn serum stimulation. Pearson analysis showed that there was a significant positive correlation of musclin expression to total body surface area of burn in patients (P &=. 038). Musclin expression was significantly positively correlated with IL-4, IL-7, IL-12, and IL-13 in burn patients' serum (P <. 05). In the animal study, we found that the musclin level evaluated at 6 hours and 1 day in burn rat serum (P <. 05). In vitro, musclin mRNA expression significantly increased with burn serum stimulation at 24 hours (P <. 05). In conclusion, serum level of musclin elevated both in human patients and burn animals; musclin was correlated with the severity of burn injury as well as with an elevated cytokine profile in patients; burn serum-stimulated musclin expression in vitro further identified the resource of musclin expression after burn.

Original languageEnglish (US)
Article numberirz101
Pages (from-to)535-540
Number of pages6
JournalJournal of Burn Care and Research
Volume40
Issue number5
DOIs
StatePublished - Aug 14 2019

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Serum
Muscles
Cytokines
Interleukin-7
Natriuretic Peptides
Interleukin-13
Myoblasts
Body Surface Area
Wounds and Injuries
Interleukin-12
Sequence Homology
Immunoassay
Interleukin-4
Hyperglycemia
Muscle Cells
Animal Models
Glucose
Messenger RNA
In Vitro Techniques
Proteins

ASJC Scopus subject areas

  • Surgery
  • Emergency Medicine
  • Rehabilitation

Cite this

Serum Level of Musclin Is Elevated Following Severe Burn. / Clark, Audra; Huebinger, Ryan M; Carlson, Deborah L; Wolf, Steven E; Song, Juquan.

In: Journal of Burn Care and Research, Vol. 40, No. 5, irz101, 14.08.2019, p. 535-540.

Research output: Contribution to journalArticle

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