Variation in nicotine consumption in inbred mice is not linked to orosensory ability

A. Rebecca Glatt, Kelley Denton, John Boughter

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Genetic studies of nicotine addiction in mice have utilized the oral self-administration model. However, it is unclear if strain differences in nicotine consumption are influenced by variation in bitter taste sensitivity. We measured both nicotine consumption and nicotine brief-access licking behavior in several commonly used inbred strains of mice that were previously shown to differ in nicotine consumption. A/J (A), C57BL/6J (B6), and DBA/2J (D2) mice were given a 2-bottle choice test with a single concentration of nicotine (75 μg/ml; nicotine vs. water). Mice of these strains were also tested with a range of nicotine concentrations (5-400 μg/ml) using a brief-access test, which measures orosensory response and minimizes postingestive effects. Although B6 mice consumed more 75-μg/ml nicotine than A or D2 mice in the 2-bottle test, these strains did not differ in level of aversion to nicotine when tested with the brief-access procedure. Strain differences in orosensory response to nicotine were not found; yet, differences emerged during the 2-bottle tests. This study provides evidence that variation in intake level of nicotine is likely not due to differences in taste or trigeminal sensitivity but likely due to postingestive factors.

Original languageEnglish (US)
Pages (from-to)27-35
Number of pages9
JournalChemical senses
Volume34
Issue number1
DOIs
StatePublished - Jan 1 2009

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Aptitude
Nicotine
Inbred DBA Mouse
Inbred Strains Mice
Self Administration
Oral Administration

All Science Journal Classification (ASJC) codes

  • Physiology
  • Sensory Systems
  • Physiology (medical)
  • Behavioral Neuroscience

Cite this

Variation in nicotine consumption in inbred mice is not linked to orosensory ability. / Glatt, A. Rebecca; Denton, Kelley; Boughter, John.

In: Chemical senses, Vol. 34, No. 1, 01.01.2009, p. 27-35.

Research output: Contribution to journalArticle

Glatt, A. Rebecca ; Denton, Kelley ; Boughter, John. / Variation in nicotine consumption in inbred mice is not linked to orosensory ability. In: Chemical senses. 2009 ; Vol. 34, No. 1. pp. 27-35.
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