Table 3.

Two-way ANOVA results for CT and GL nerve responses to 300 mm MSG with various concentrations of mGluR antagonists (T1R1^−/− vs. T1R1^+/− mice)

	CT nerve		GL nerve
Antagonist	Degrees of freedom	F value	Degrees of freedom	F value
AIDA	1,47	1.1	1,56	17.2***
Interaction	4,47	0.4	4,56	1.5
CPPG	1,45	2.3	1,50	6.7*
Interaction	4,45	0.4	4,50	0.4
AIDA + CPPG	1,57	1.8	1,57	6.6*
Interaction	4,57	0.1	4,57	0.7

The effects of genotype were analysed by two-way ANOVA. The table is based on data shown in Fig. 8. Top numbers for each chemical relate to the main effect (genotype) and bottom numbers to the interaction effect (genotype × concentration). *P < 0.05, ***P < 0.001, ANOVA. Abbreviations: AIDA, (RS)-1-aminoindan-1,5-dicarboxylic acid; CPPG, (RS)-α-cyclopropyl-4- phosphonophenylglycine; CT, chorda tympani; GL, glossopharyngeal; mGluR, metabotropic glutamate receptor; and MSG, monosodium glutamate.