Acetylcholine-Containing Neuroepithelial Cells in Fish Gills Support the Cholinergic Hypothesis of O2 Chemoreception

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This paper discusses research on how acetylcholine-containing neuroepithelial cells in fish gills support the cholinergic hypothesis of O2 chemoreception.

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15 p.

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Wanner, Clinton & Burleson, Mark L. April 14, 2011.

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This paper is part of the collection entitled: The Eagle Feather and was provided by the UNT Honors College to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 808 times. More information about this paper can be viewed below.

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  • Main Title: Acetylcholine-Containing Neuroepithelial Cells in Fish Gills Support the Cholinergic Hypothesis of O2 Chemoreception
  • Series Title: University Scholars Day

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This paper discusses research on how acetylcholine-containing neuroepithelial cells in fish gills support the cholinergic hypothesis of O2 chemoreception.

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15 p.

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Abstract: The neurochemical link between O2 chemoreceptors and afferent nerves that carry information about O2 levels to cardio-ventilatory centers in the brain has yet to be determined. This study examines the roles of two candidate neurotransmitters thought to be involved in O2 chemoreception, using channel catfish, Ictalurus punctatus. Fish gills are the evolutionary progenitors of arterial arches (aortic and carotid) of mammals where O2 chemoreceptors are located. Neuroepithelial cells (NECs) containing serotonin (5-HT) and acetylcholine (Ach) were confirmed in the first gill arch using immunohistochemistry and laser confocal microscopy. 5-HT-containing NECs were aggregated around the efferent branchial artery, near tips of filaments and lamellae, ACh-containing NECs at the distal tips of filaments. Preliminary co-localization experiments indicate separate 5-HT and Ach-containing cells. This is the first demonstration of ACh-containing NECs and results of this study support pharmacological studies suggesting that ACh is the primary neurochemical involved in O2 chemoreception in vertebrates.

Eighth Annual University Scholars Day, 2011, Denton, Texas, United States.

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  • Eagle Feather, Issue 8, University of North Texas Honors College: Denton, Texas. 2011

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  • Publication Title: The Eagle Feather
  • Issue: 2011
  • Volume: 8
  • Peer Reviewed: Yes

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  • Acetylcholine-Containing Neuroepithelial Cells in Fish Gills Support the Cholinergic Hypothesis of O2 Chemoreception [Presentation], ark:/67531/metadc93292

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The Eagle Feather

Launched in 2004 by UNT's Honors College, The Eagle Feather was an interdisciplinary undergraduate research journal that promoted the work of students and their faculty mentors. The Eagle Feather was published annually until 2017 when it transitioned into the North Texas Journal of Undergraduate Research.

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This collection presents scholarly and artistic content created by undergraduate students. All materials have been previously accepted by a professional organization or approved by a faculty mentor. Most classroom assignments are not eligible for inclusion. The collection includes, but is not limited to Honors College theses, thesis supplemental files, professional presentations, articles, and posters. Some items in this collection are restricted to use by the UNT community.

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Acetylcholine-Containing Neuroepithelial Cells in Fish Gills Support the Cholinergic Hypothesis of O2 Chemoreception [Presentation] (Presentation)

Acetylcholine-Containing Neuroepithelial Cells in Fish Gills Support the Cholinergic Hypothesis of O2 Chemoreception [Presentation]

Presentation for the 2011 University Scholars Day at the University of North Texas discussing research on acetylcholine-containing neuroepithelial cells in fish gills.

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Acetylcholine-Containing Neuroepithelial Cells in Fish Gills Support the Cholinergic Hypothesis of O2 Chemoreception [Presentation], ark:/67531/metadc93292

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  • April 14, 2011

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  • June 8, 2012, 10:10 a.m.

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  • April 14, 2020, 5:20 p.m.

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Wanner, Clinton & Burleson, Mark L. Acetylcholine-Containing Neuroepithelial Cells in Fish Gills Support the Cholinergic Hypothesis of O2 Chemoreception, paper, April 14, 2011; [Denton, Texas]. (https://digital.library.unt.edu/ark:/67531/metadc86190/: accessed January 22, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Honors College.

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