Table 1.

Characteristics of the Parental Mouse Lines

DU6i Mean ± s.d. (17 males) DBA/2 Mean ± s.d. (20 males) F2 Population[i] Mean ±s.d. (411 animals)
Body composition
 Body weight (g)68.6 ± 3.9618.3 ± 1.631.05 ± 3.83
 Abdominal fat weight (mg)1801 ± 560241 ± 58486 ± 197
 Abdominal fat percentage (%)2.62 ± 0.741.31 ± 0.281.49 ± 0.50
 Muscle weight (mg)617 ± 42240 ± 28339 ± 52
 Liver weight (mg)4077 ± 520930 ± 1661745 ± 266
 Kidney weight (mg)882 ± 78240 ± 28386 ± 73
 Spleen weight (mg)275 ± 6778 ± 13156 ± 51
Serum parameters
 Leptin (ng/ml)21.16 ± 11.521.72 ± 0.565.55 ± 3.66
 Insulin (pmol/L)1651 ± 982<26248 ± 139
 IGF-I (ng/ml)750 ± 151238 ± 39616 ± 121

[i] Individual values were adjusted for the fixed effects of sex, number of repeated parity, subfamily, and pupsize.