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Volumn 10, Issue 4, 2000, Pages 519-527

The molecular physiology of taste transduction

Author keywords

[No Author keywords available]

Indexed keywords

G PROTEIN COUPLED RECEPTOR; GUANINE NUCLEOTIDE BINDING PROTEIN; ION CHANNEL;

EID: 0033862322     PISSN: 09594388     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0959-4388(00)00118-5     Document Type: Review
Times cited : (231)

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    • Chaudhari N., Landin A.M., Roper S.D. A metabotropic glutamate receptor variant functions as a taste receptor. Nat Neurosci. 3:2000;113-119. A truncated variant of mGluR4, designated taste-mGluR4, is cloned from taste tissue and shown to be selectively expressed in taste tissue. Functional expression of taste-mGluR4 in CHO cells demonstrates that this receptor has reduced sensitivity to L-glutamate than does brain-expressed mGluR4, that is similar to the umami taste receptor. The effects of L-Glu on the cloned and expressed taste-mGluR4 are mimicked by the mGluR4 agonist, L-AP4, which elicits a similar taste response to monosodium glutamate. In CHP cells, the expressed receptor is shown to be negatively coupled to cAMP production, suggesting possible involvement of a cyclic-nucleotide-gated channel in the umami response. The results are consistent with the taste-mGluR4 being the transduction channel for glutamate taste.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.