Alterations in Rat Renal Glucose Transport following in Vivo use of Freund's Adjuvant

Abstract

ABSTRACT. Alterations in rat renal glucose transport following in vivo use of Freund's adjuvant were examined. Lewis-Brown Norway rats were placed in four separate injection groups. 1) tubular basement membrane plus adjuvant [complete Freund's adjuvant (CFA) plus pertussis]; 2) adjuvant (CFA plus pertussis); 3) CFA only; or 4) pertussis only. Renal handling of glucose was assessed 14 days after a single injection. No in vivo changes were noted. No histologic differences among groups were noted. However, brush border membrane vesicles prepared from animals in groups 1, 2, and 3 showed a marked decrease in glucose uptake. Further, Michaelis-Menten kinetics demonstrated a decrease in apparent Km and Vmax for glucose in groups 1, 2, and 3. CFA alone can cause a change in brush border membrane vesicle uptake of glucose. The pathogenic mechanism behind CFA-induced transport changes remains unclear. However, studies employing CFA cannot dismiss Freund's adjuvant as “inert” and must take into account functional changes created by CFA alone.

Author information

Correspondence to Aaron L Friedman.

Rights and permissions

Reprints and Permissions

About this article

Further reading