Dopamine D2 receptor mRNA expression is increased in the jugular-nodose ganglia of rats with nitrogen dioxide-induced chronic bronchitis

Christian Peiser, Doerthe Adriana Andreae, David A. Groneberg, Q. Thai Dinh, Bernd Müller, Ulrich Wahn, Axel Fischer

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The bronchodilatatory effect of inhaled dopamine or dopamine D2 receptor agonists in cases of bronchial constriction may involve the suppression of pathologically increased airway sensory nerve activity. The aim of this study is to investigate the regulation of the dopamine D2 receptor mRNA expression in the ganglia of rats with nitrogen dioxide-induced chronic bronchitis compared with that in ganglia of healthy control animals. Rats were exposed to nitrogen dioxide (10 ppm, 20 d) and dopamine D2 receptor mRNA levels in sensory ganglia (jugular-nodose, trigeminal, cervical dorsal root and thoracic dorsal root ganglia) were examined by quantitative real-time polymerase chain reaction and compared to control tissues. Whereas for trigeminal and dorsal root ganglia the dopamine D2 receptor expression levels showed no difference between both animal groups, there was a significant (p < 0.05) increase in the jugular-nodose ganglia with a 2.1-fold factor. The increase of dopamine D2 receptor mRNA in jugular-nodose sensory neurons which innervate the airways may represent a neurochemical basis for the effects seen in man and animal models following topical administration of dopamine or dopamine agonists onto the respiratory epithelium.

Original languageEnglish (US)
Pages (from-to)143-146
Number of pages4
JournalNeuroscience letters
Volume465
Issue number2
DOIs
StatePublished - Nov 13 2009

Fingerprint

Nodose Ganglion
Nitrogen Dioxide
Dopamine D2 Receptors
Chronic Bronchitis
Neck
Messenger RNA
Dopamine Agonists
Spinal Ganglia
Ganglia
Dopamine
Sensory Ganglia
Topical Administration
Respiratory Mucosa
Bronchoconstriction
Spinal Nerve Roots
Sensory Receptor Cells
Real-Time Polymerase Chain Reaction
Thorax
Animal Models

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)

Cite this

Peiser, Christian ; Andreae, Doerthe Adriana ; Groneberg, David A. ; Dinh, Q. Thai ; Müller, Bernd ; Wahn, Ulrich ; Fischer, Axel. / Dopamine D2 receptor mRNA expression is increased in the jugular-nodose ganglia of rats with nitrogen dioxide-induced chronic bronchitis. In: Neuroscience letters. 2009 ; Vol. 465, No. 2. pp. 143-146.
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Dopamine D2 receptor mRNA expression is increased in the jugular-nodose ganglia of rats with nitrogen dioxide-induced chronic bronchitis. / Peiser, Christian; Andreae, Doerthe Adriana; Groneberg, David A.; Dinh, Q. Thai; Müller, Bernd; Wahn, Ulrich; Fischer, Axel.

In: Neuroscience letters, Vol. 465, No. 2, 13.11.2009, p. 143-146.

Research output: Contribution to journalArticle

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