Identification of truncated form of mouse HAX-1s gene (HAX-1xs) and characterization of its expression in small intestine and thymus of mice after burn injury

Kiho Cho, Lee Adamson, Jae Hak Park, Ronen Zipkin, David G Greenhalgh

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Burn injury often leads to distant organ injury such as acute respiratory distress syndrome. We hypothesize that the pathophysiologic changes in distant organs result from orchestrated regulation of multiple genes in response to burn injury. Differential display was performed to identify genes regulated in distant organs in response to burn injury. Initial characterization of differentially amplified products demonstrated that HAX-1s mRNA was regulated in several distant organs after 18% total body surface area (TBSA) full-thickness flame burn injury in mice. Further characterization of HAX-1s mRNA revealed a novel transcript variant, which is rapidly and transiently induced in multiple tissues of mice within 6 h after burn injury. This novel HAX-1s transcript variant, called HAX-1xs, has an internal deletion of 252 nucleotides and single point mutation, resulting in reading frame intact. Western blot and immunohistochemical analyses of multiple tissues of mice using rabbit antibody raised against a 15-mer synthetic peptide clearly revealed the presence of HAX-1xs protein in the duodenum, and suggested that expression of HAX-1xs and/or HAX-1s was tissue- and cell type-specific. The expression of HAX-1xs and/or HAX-1s was distinctively regulated in Paneth cells of the duodenum and macrophages of the thymus after burn injury. These findings suggest that HAX-1xs has a different biological activity from HAX-1s and participates in a cascade of immediate-early cellular events in response to burn injury.

Original languageEnglish (US)
Pages (from-to)223-229
Number of pages7
JournalShock
Volume18
Issue number3
StatePublished - Sep 2002

Fingerprint

Thymus Gland
Small Intestine
Wounds and Injuries
Genes
Duodenum
Paneth Cells
Reading Frames
Messenger RNA
Body Surface Area
Adult Respiratory Distress Syndrome
Point Mutation
Nucleotides
Western Blotting
Macrophages
Rabbits
Peptides
Antibodies
Proteins

Keywords

  • Burn injury
  • HAX-1s
  • HAX-1xs
  • Mice
  • Paneth cell
  • Thymus

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Physiology

Cite this

Identification of truncated form of mouse HAX-1s gene (HAX-1xs) and characterization of its expression in small intestine and thymus of mice after burn injury. / Cho, Kiho; Adamson, Lee; Park, Jae Hak; Zipkin, Ronen; Greenhalgh, David G.

In: Shock, Vol. 18, No. 3, 09.2002, p. 223-229.

Research output: Contribution to journalArticle

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