The presence of heme-oxygenase and biliverdin reductase in human cranial ganglia indicates a role for carbon monoxide in neural transmission

Rolf Uddman, J. Tajti, Frank Sundler, Lars Olaf Cardell

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Objectives: The purpose of this study was to localize in cranial ganglia of man the occurrence of the putative gaseous neural messenger carbon monoxide (CO) and the biliverdin degrading enzyme biliverdin reductase (BVR). Methods: Immunocytochemistry with antibodies against the CO-inducing enzymes HO-1, HO-2, BVR and calcitonin gene-related peptide was used. Results: In the trigeminal ganglion about 60% of the cell bodies exhibited HO-2- and about 40% BVR-immunoreactivity. HO-2- as well as BVR-immunoreactivity was predominantly (78%) expressed in medium-sized cells (30-60 μm). In the superior cervical ganglion about 40% of the cell bodies exhibited HO-2-immunoreactivity. In the sphenopalatine and otic ganglia only a few cell bodies were HO-2 immunoreactive. HO-1, the inducible isoform of heme oxygenase, gave only very weak immunoreactivity in all ganglia examined. Double immunostaining revealed that in the human trigeminal ganglion HO-2 and BVR co-localized with calcitonin gene-related peptide. Conclusions: The finding suggests that CO might serve as a modulator of synaptic transmission in man.

Original languageEnglish
Pages (from-to)423-428
Number of pages6
JournalNeuroendocrinology Letters
Volume25
Issue number6
Publication statusPublished - Dec 2004

Fingerprint

biliverdin reductase
Heme Oxygenase (Decyclizing)
Carbon Monoxide
Synaptic Transmission
Ganglia
Trigeminal Ganglion
Calcitonin Gene-Related Peptide
Parasympathetic Ganglia
Biliverdine
Superior Cervical Ganglion
Enzymes
Protein Isoforms
Immunohistochemistry
Antibodies

Keywords

  • Autonomic ganglia
  • Biliverdin reductase
  • Carbon monoxide
  • Heme oxygenase

ASJC Scopus subject areas

  • Endocrinology
  • Neuroscience(all)

Cite this

The presence of heme-oxygenase and biliverdin reductase in human cranial ganglia indicates a role for carbon monoxide in neural transmission. / Uddman, Rolf; Tajti, J.; Sundler, Frank; Cardell, Lars Olaf.

In: Neuroendocrinology Letters, Vol. 25, No. 6, 12.2004, p. 423-428.

Research output: Contribution to journalArticle

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