Both plasma cholesterol and TG levels were elevated on the C3H background as compared to those on the B6 background in both sexes (Fig. 4A, B. Additionally, there was no change in fasting plasma glucose or insulin levels (Fig. 4C, D) among any of the groups for either sex due to CD44 deficiency. Here, INS is linked to hyperinsulinemic hypoglycemia, familial, 4.