Airway responsiveness in CD38-deficient mice in allergic airway disease: Studies with bone marrow chimeras

Alonso G P Guedes, Joseph A. Jude, Jaime Paulin, Laura Rivero-Nava, Hirohito Kita, Frances E. Lund, Mathur S. Kannan

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

CD38 is a cell-surface protein involved in calcium signaling and contractility of airway smooth muscle. It has a role in normal airway responsiveness and in airway hyperresponsiveness (AHR) developed following airway exposure to IL-13 and TNF-α but appears not to be critical to airway inflammation in response to the cytokines. CD38 is also involved in T cell-mediated immune response to protein antigens. In this study, we assessed the contribution of CD38 to AHR and inflammation to two distinct allergens, ovalbumin and the epidemiologically relevant environmental fungus Alternaria. We also generated bone marrow chimeras to assess whether Cd38+ / + inflammatory cells would restore AHR in the CD38-deficient (Cd38+ / +) hosts following ovalbumin challenge. Results show that wild-type (WT) mice develop greater AHR to inhaled methacholine than Cd38- / -mice following challenge with either allergen, with comparable airway inflammation. Reciprocal bone marrow transfers did not change the native airway phenotypic differences between WT and Cd38- / -mice, indicating that the lower airway reactivity of Cd38- / -mice stems from Cd38- / -lung parenchymal cells. Following bone marrow transfer from either source and ovalbumin challenge, the phenotype of Cd38- / -hosts was partially reversed, whereas the airway phenotype of the WT hosts was preserved. Airway inflammation was similar in Cd38- / -and WT chimeras. These results indicate that loss of CD38 on hematopoietic cells is not sufficient to prevent AHR and that the magnitude of airway inflammation is not the predominant underlying determinant of AHR in mice.

Original languageEnglish (US)
Pages (from-to)L485-L493
JournalAmerican Journal of Physiology - Lung Cellular and Molecular Physiology
Volume308
Issue number5
DOIs
StatePublished - 2015

Fingerprint

Bone Marrow
Inflammation
Ovalbumin
Allergens
Phenotype
Alternaria
Calcium Signaling
Interleukin-13
Methacholine Chloride
Smooth Muscle
Membrane Proteins
Fungi
Cytokines
T-Lymphocytes
Antigens
Lung
Proteins

Keywords

  • Allergic airway disease
  • Alternaria
  • Bone marrow chimeras
  • CD38

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Physiology (medical)
  • Cell Biology
  • Physiology

Cite this

Airway responsiveness in CD38-deficient mice in allergic airway disease : Studies with bone marrow chimeras. / Guedes, Alonso G P; Jude, Joseph A.; Paulin, Jaime; Rivero-Nava, Laura; Kita, Hirohito; Lund, Frances E.; Kannan, Mathur S.

In: American Journal of Physiology - Lung Cellular and Molecular Physiology, Vol. 308, No. 5, 2015, p. L485-L493.

Research output: Contribution to journalArticle

Guedes, Alonso G P ; Jude, Joseph A. ; Paulin, Jaime ; Rivero-Nava, Laura ; Kita, Hirohito ; Lund, Frances E. ; Kannan, Mathur S. / Airway responsiveness in CD38-deficient mice in allergic airway disease : Studies with bone marrow chimeras. In: American Journal of Physiology - Lung Cellular and Molecular Physiology. 2015 ; Vol. 308, No. 5. pp. L485-L493.
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