[Effect of cholerogen and protamine on tight junctions of rat enterocytes and colonocytes].

Aim: Study of tight junction state and ultrastructure changes of rat jejunum enterocytes and colon colonocytes under the effect of cholerogen and protamine.

Materials And Methods: Cholerogen (cholera toxin, Sigma-Aldrich, Germany) and protamine sulfate (Russia) were used in the study. The study was carried out in Wistar line rats.