Age and sex influences on airway hyperresponsiveness

Ross McKenzie, Matt Burton, Simon Guy Royce, Mimi LK Tang

Research output: Contribution to journalArticleResearchpeer-review

14 Citations (Scopus)

Abstract

OBJECTIVE: The precise relationship between age and gender and their influence on airway reactivity has not been clearly defined. Previous studies of age and gender influences on airway reactivity have been confounded by environmental influences such as cigarette smoking. The objective of this study was to examine the effect of age and gender on airway reactivity in C57BL/6 mice housed under controlled conditions, independent of confounding environmental factors. METHODS: Mice were separated into four experimental groups based on age and gender: males at 6 and 12 weeks of age and females at 6 and 12 weeks of age. Airway reactivity to inhaled methacholine was examined in each group. RESULTS: Significant differences in methacholine-induced airway reactivity were observed between the sexes at both age groups. At 6 weeks of age, the males demonstrated a significantly increased airway reactivity to methacholine as compared to females (p
Original languageEnglish
Pages (from-to)651 - 654
Number of pages4
JournalJournal of Asthma
Volume47
Issue number6
DOIs
Publication statusPublished - 2010
Externally publishedYes

Cite this

McKenzie, Ross ; Burton, Matt ; Royce, Simon Guy ; Tang, Mimi LK. / Age and sex influences on airway hyperresponsiveness. In: Journal of Asthma. 2010 ; Vol. 47, No. 6. pp. 651 - 654.
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Age and sex influences on airway hyperresponsiveness. / McKenzie, Ross; Burton, Matt; Royce, Simon Guy; Tang, Mimi LK.

In: Journal of Asthma, Vol. 47, No. 6, 2010, p. 651 - 654.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Age and sex influences on airway hyperresponsiveness

AU - McKenzie, Ross

AU - Burton, Matt

AU - Royce, Simon Guy

AU - Tang, Mimi LK

PY - 2010

Y1 - 2010

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AB - OBJECTIVE: The precise relationship between age and gender and their influence on airway reactivity has not been clearly defined. Previous studies of age and gender influences on airway reactivity have been confounded by environmental influences such as cigarette smoking. The objective of this study was to examine the effect of age and gender on airway reactivity in C57BL/6 mice housed under controlled conditions, independent of confounding environmental factors. METHODS: Mice were separated into four experimental groups based on age and gender: males at 6 and 12 weeks of age and females at 6 and 12 weeks of age. Airway reactivity to inhaled methacholine was examined in each group. RESULTS: Significant differences in methacholine-induced airway reactivity were observed between the sexes at both age groups. At 6 weeks of age, the males demonstrated a significantly increased airway reactivity to methacholine as compared to females (p

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