Molecular and Chemical Neuropathology

, Volume 30, Issue 3, pp 213–222 | Cite as

Morphochemical changes in brain structures in the course of chronic haloperidol treatment and the correction of these changes with tuftsin

  • L. M. Gershtein
  • M. T. Dobrynina
  • A. V. Sergutina
Original Articles


The systemic injection of haloperidol (4 wk, 0.5 mg/kg/d) caused the increase of protein concentration and content, and the activity level of aminopeptidase in the cytoplasm of the neurons of associated type (layer III). The nucleus of these cells decreased both in sizes and in the content of proteins. In the neurons of efferent-projectory type (alyer V), the decrease of studied peculiarities as compared with control level was observed. Tuftsin (300 μg/kg/d) injection after chronic haloperidol treatment causes the restoring action on changed parameters in sensomotor cortex. In caudate nucleus, tuftsin influence caused further reduction of neuron's cytoplasmic area and significant reduction in protein content.

The received results testify to the morphobiochemical heterogenity of investigated brain structures, which is displayed both in the case of haloperidol treatment and in the case of its correction by neuropeptide tuftsin.

Chronic haloperidol administration to animals can develop a model of certain symptoms and syndromes of parkinsonism. Its most pronounced manifestation is an imbalance in the neuromediator systems, especially the dopaminergic one (Mettler and Crandall, 1959; Colls, 1984; Funk et al., 1986).

The research was performed in conjunction with the physiologists, whose experiments have shown that after chronic haloperidol administration, changes in animal behavior are developed that are typical for bradikinesia, and the motor regimen of integration is disturbed (Popova and Kachalova, 1991; Dovedova and Povova, 1993). Regulatory drugs, especially the tetrapeptide tuftsin, seem to correct such disturbances.

Index Entries

Sensorimotor cortex caudate nucleus protein metabolism haloperidol tuftsin interferometry aminopeptidase 


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Copyright information

© Humana Press Inc 1997

Authors and Affiliations

  • L. M. Gershtein
    • 1
  • M. T. Dobrynina
    • 1
  • A. V. Sergutina
    • 1
  1. 1.Brain Research Institute of RAMSMoscowRussia

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