Low-Protein Diet during Lactation and Maternal Metabolism in Rats
Table 2
Serum concentration of total protein, albumin, glucose, insulin, glucagon, leptin, prolactin, insulin/glucose, and insulin/glucagon ratios of non-lactating and lactating rats fed control (CNL and CL) or low-protein (LPNL and LPL) diets.
GROUPS
CNL
CL
LPNL
LPL
Total protein (g/dL)
4.9 ± 0.
5.2 ± 0.
4.9 ± 0.
3.4 ± 0.
Albumin (g/dL)
3.1 ± 0.1
2.7 ± 0.2
2.2 ± 0.3#
1.8 ± 0.2#
Glucose (mg/dL)
109 ± 2
108 ± 6
124 ± 4#
112 ± 4#
Insulin (ng/mL)
3.5 ± 0.8
1.7 ± 0.5*
1.8 ± 0.2#
0.52 ± 0.08*#
Glucagon (ng/mL)
1.1 ± 0.2
0.6 ± 0.1*
0.6 ± 0.2#
0.5 ± 0.1*#
Leptin (ng/mL)
2.5 ± 0.7
1.1 ± 0.2*
3.7 ± 0.6
1.1 ± 0.3*
Prolactin (ng/mL)
27 ±
130 ±
22 ±
65 ±
Insulin/glucose molar ratio
102 ± 22
53 ± 18*
47 ±
15 ± 2*#
Insulin/glucagon molar ratio
1.4 ± 0.4
1.1 ± 0.2*
1.5 ± 0.2
0.5 ± 0.1*
CNL, CL, LPNL groups = 7; LPL group = 8 rats. Values are means ± SEM. tatistical difference related to non-lactating rats (Two-Way ANOVA; ). tatistical difference related to control rats (Two-Way ANOVA; ). Different letters indicate statistical differences (Tukey HSD test; ).
