Fig. 1.
Terbutaline pretreatment attenuated GABA release after methacholine challenge in an in vivo mouse model. a Representative HPLC-MS-MS tracing of a GABA standard (15 nM), PBS/methacholine-treated BAL and terbutaline/methacholine BAL demonstrating an attenuation of GABA with pretreatment with terbutaline. b Pretreatment with nebulized terbutaline (100 μM), a β-adrenergic agonist, before challenge with nebulized methacholine (25 mg/ml) attenuated GABA release in bronchoalveolar lavage. n = 5, *p < 0.05