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: UNT Scholarly Works and was provided by UNT Honors College to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 376 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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Description

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

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

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UNT Scholarly Works

The Scholarly Works Collection is home to materials from the University of North Texas community's research, creative, and scholarly activities and serves as UNT's Open Access Repository. It brings together articles, papers, artwork, music, research data, reports, presentations, and other scholarly and creative products representing the expertise in our university community.** Access to some items in this collection may be restricted.**

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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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  • April 14, 2011

Added to The UNT Digital Library

  • June 8, 2012, 10:10 a.m.

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  • March 20, 2017, 12:12 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]. (digital.library.unt.edu/ark:/67531/metadc86190/: accessed March 28, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Honors College.