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Chemical Senses 2005 30(Supplement 1):i10-i11; doi:10.1093/chemse/bjh087
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Chemical Senses Vol. 30 No. suppl 1 © Oxford University Press 2005; all rights reserved

DNA Microarray Analysis of Cranial Sensory Ganglia Identifies Genes Involved in Somatosensation in Craniofacial Structures Including Oropharynx Related to Food Intake

Ichiro Matsumoto1, Shugo Nakamura2, Soichi Arai3, Yasufumi Emori4 and Keiko Abe1

1 Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan, 2 Department of Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan, 3 Department of Nutritional Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan, 4 Department of Biophysics and Biochemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan

Correspondence to be sent to: Ichiro Matsumoto, e-mail: aichiro@mail.ecc.u-tokyo.ac.jp

Key words: cranial sensory ganglia, gene expression, somatosensory neuron

The first 10% of the full text of this article appears below.


   Introduction
 
Food intake causes various kinds of sensation such as sweet, bitter, hot, cool, soft, hard and so on. These sensations are categorized into two types: gustatory and somatic sensations. Gustatory information is transmitted by gustatory neurons innervating to the taste cells, which are derived from three cranial sensory ganglia: geniculate, petrosal and nodose ganglia (Saper, 2000Go). Somatosensory information is conveyed by somatosensory neurons projecting into the oropharynx, which are derived from two sensory ganglia, trigeminal and petrosal ganglia (Saper, 2000Go). Therefore, four cranial sensory ganglia are involved in the reception and/or transmission of sensory information brought about by food intake.

Each of cranial sensory ganglia involved in the food intake-related . . . [Full Text of this Article]


   Overall profile of gene expression in four cranial sensory ganglia involved in the food intake-related sensations
 

   Genes differentially expressed in sensory ganglia
 

   Tissue trees and expression characteristics of gene clusters revealed by hierarchical cluster analysis
 

   Identification of characteristic genes putatively involved in specific neural function
 

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