Enhanced cutaneous inflammatory reactions to Aspergillus fumigatus in a murine model of chronic granulomatous disease

Jeffrey E. Petersen, Tejindervir S. Hiran, W. Goebel, Christopher Johnson, Robert C. Murphy, Farrukh H. Azmi, Antoinette F. Hood, Jeffrey Travers, Mary C. Dinauer

Research output: Contribution to journalArticle

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Abstract

Chronic granulomatous disease is the manifestation of genetic defects of the leukocyte NADPH oxidase resulting in the absence of a respiratory burst. Patients with chronic granulomatous disease can develop chronic granulomas in many locations of the body, including the skin. Using an established murine model of X-linked chronic granulomatous disease (X-CGD) created by homologous recombinant disruption of the gene encoding the gp91phox component of the NADPH oxidase, in this study we examined cutaneous reactivity to sterile Aspergillus fumigatus hyphae. Injection of Aspergillus fumigatus into the dorsal ears of X-CGD mice resulted in an enhanced inflammatory response by 24 h, consisting of neutrophils, which developed into suppurative granulomas by 10 d. Intradermal injection of Aspergillus fumigatus into wild-type mice only resulted in a transient inflammatory response that resolved by 10 d. Injection of Aspergillus fumigatus into female carrier mice resulted in an acute inflammatory response that was similar to that of wild-type mice, but, at higher doses of Aspergillus fumigatus, many carriers subsequently developed granulomatous lesions that were qualitatively similar but smaller than those seen in X-CGD mice by 30 d. Consistent with the ability of X-CGD mice to mount an enhanced neutrophil-rich inflammatory response to Aspergillus fumigatus, significant levels of the potent neutrophil activator/chemoattractant leukotriene B4 were measured by mass spectrometry in skin biopsies at 24 and 72 h. In contrast to the exaggerated inflammatory response to intradermal Aspergillus fumigatus in X-CGD mice compared to their wild-type counterparts, similar levels of inflammation were seen in a model of delayed-type hypersensitivity using 2,4-dinitrofluorobenzene. This study represents the first report of a cutaneous granuloma model in mice with X-CGD, which may also prove useful as a functional test to evaluate the efficacy of gene therapy protocols being developed for chronic granulomatous disease.

Original languageEnglish
Pages (from-to)424-429
Number of pages6
JournalJournal of Investigative Dermatology
Volume118
Issue number3
DOIs
StatePublished - 2002

Fingerprint

Chronic Granulomatous Disease
Aspergillus fumigatus
Aspergillus
Skin
Granuloma
Neutrophils
NADPH Oxidase
Dinitrofluorobenzene
Gene therapy
Intradermal Injections
Injections
Gene encoding
Leukotriene B4
Respiratory Burst
Hyphae
Biopsy
Chemotactic Factors
Delayed Hypersensitivity
Transient analysis
Genetic Therapy

Keywords

  • Chronic granulomatous disease
  • Leukotriene B4
  • NADPH oxidase
  • Skin

ASJC Scopus subject areas

  • Dermatology

Cite this

Enhanced cutaneous inflammatory reactions to Aspergillus fumigatus in a murine model of chronic granulomatous disease. / Petersen, Jeffrey E.; Hiran, Tejindervir S.; Goebel, W.; Johnson, Christopher; Murphy, Robert C.; Azmi, Farrukh H.; Hood, Antoinette F.; Travers, Jeffrey; Dinauer, Mary C.

In: Journal of Investigative Dermatology, Vol. 118, No. 3, 2002, p. 424-429.

Research output: Contribution to journalArticle

Petersen, Jeffrey E. ; Hiran, Tejindervir S. ; Goebel, W. ; Johnson, Christopher ; Murphy, Robert C. ; Azmi, Farrukh H. ; Hood, Antoinette F. ; Travers, Jeffrey ; Dinauer, Mary C. / Enhanced cutaneous inflammatory reactions to Aspergillus fumigatus in a murine model of chronic granulomatous disease. In: Journal of Investigative Dermatology. 2002 ; Vol. 118, No. 3. pp. 424-429.
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