Table 3

Regional functionality ratio [maximal ⁸⁶Rb⁺efflux/[³H]cytisine binding (femtomoles per milligram)] in 14 inbred mouse strains

	CX	SE	HP	ST	HT	TH	MB	HB
A	0.0163 ± 0.0020	0.0159 ± 0.0048	0.0168 ± 0.0028	0.0104 ± 0.0015	0.0061 ± 0.0020	0.0165 ± 0.0015	0.0137 ± 0.0021	0.0159 ± 0.0013
BALB	0.0122 ± 0.0027	0.0089 ± 0.0030	0.0104 ± 0.0024	0.0093 ± 0.0021	0.0120 ± 0.0025	0.0120 ± 0.0014	0.0113 ± 0.0026	0.0103 ± 0.0015
BUB	0.0179 ± 0.0017	0.0113 ± 0.0033	0.0147 ± 0.0026	0.0109 ± 0.0015	0.0078 ± 0.0011	0.0134 ± 0.0021	0.0138 ± 0.0027	0.0110 ± 0.0019
CBA	0.0153 ± 0.0025	0.0133 ± 0.0047	0.0169 ± 0.0030	0.0085 ± 0.0014	0.0093 ± 0.0020	0.0130 ± 0.0015	0.0103 ± 0.0012	0.0157 ± 0.0030
C3H	0.0173 ± 0.0016	0.0167 ± 0.0049	0.0167 ± 0.0024	0.0113 ± 0.0008	0.0141 ± 0.0036	0.0158 ± 0.0011	0.0140 ± 0.0016	0.0199 ± 0.0027
C57BL/6	0.0136 ± 0.0016	0.0125 ± 0.0030	0.0165 ± 0.0026	0.0124 ± 0.0017	0.0100 ± 0.0015	0.0104 ± 0.0012	0.0100 ± 0.0014	0.0160 ± 0.0018
C57BL/10	0.0159 ± 0.0023	0.0125 ± 0.0027	0.0151 ± 0.0018	0.0116 ± 0.0011	0.0108 ± 0.0018	0.0098 ± 0.0011	0.0138 ± 0.0026	0.0152 ± 0.0011
C57BR	0.0158 ± 0.0017	0.0098 ± 0.0033	0.0129 ± 0.0021	0.0137 ± 0.0021	0.0112 ± 0.0015	0.0143 ± 0.0021	0.0182 ± 0.0032	0.0170 ± 0.0037
C 58	0.0125 ± 0.0012	0.0119 ± 0.0031	0.0122 ± 0.0016	0.0095 ± 0.0010	0.0122 ± 0.0015	0.0113 ± 0.0013	0.0150 ± 0.0019	0.0152 ± 0.0018
DBA 2	0.0127 ± 0.0016	0.0115 ± 0.0059	0.0193 ± 0.0049	0.0091 ± 0.0014	0.0173 ± 0.0059	0.0116 ± 0.0009	0.0150 ± 0.0018	0.0160 ± 0.0018
129 SvEv	0.0119 ± 0.0010	0.0127 ± 0.0021	0.0122 ± 0.0025	0.0067 ± 0.0010	0.0101 ± 0.0021	0.0102 ± 0.0015	0.0122 ± 0.0022	0.0099 ± 0.0022
AKR	0.0226 ± 0.0032	0.0222 ± 0.0105	0.0248 ± 0.0040	0.0192 ± 0.0034	0.0229 ± 0.0051	0.0156 ± 0.0021	0.0216 ± 0.0038	0.0183 ± 0.0032
DBA 1	0.0159 ± 0.0012	0.0207 ± 0.0042	0.0228 ± 0.0030	0.0177 ± 0.0015	0.0222 ± 0.0049	0.0133 ± 0.0009	0.0186 ± 0.0023	0.0177 ± 0.0025
RIIIS	0.0171 ± 0.0034	0.0204 ± 0.0075	0.0159 ± 0.0027	0.0247 ± 0.0034	0.0355 ± 0.0099	0.0155 ± 0.0027	0.0175 ± 0.0024	0.0168 ± 0.0043

Statistical analyses (two-way ANOVA) of the data obtained in seven brain regions (septum excluded from analysis because tissue was pooled from several animals) detected significant influences of brain region (P < 0.0001) and strain (P < 0.05) on the functionality ratio.