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Influence of immobilization stress on the phospholipid composition of alveolar surfactant and lungs in rats

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Abstract

The influence of immobilization stress on the lipid composition of alveolar surfactant and lungs in rats immobilized for 12 and 24 hours, the effects of phospholipase A2, and lipid transfer activity in alveolar surfactant were investigated. The results indicate that alveolar surfactant phospholipids underwent more significant alterations compared to lung phospholipids. Furthermore, phospholipase A2 and lipid transfer activity were reduced in alveolar surfactant of immobilized rats. The reported data suggest that the lower lipid transfer activity might be responsible for the reduced phospholipids in the surfactant system.

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Authors and Affiliations

  1. Department of Pathophysiology, Bulgarian Medical Academy, USA

    E. Yanev & N. Nicolov

  2. Central Laboratory of Biophysics, Bulgarian Academy of Sciences, USA

    A. Momchilova-Pankova, T. Markovska & K. Koumanov

  3. Intensive Care Unit, Bulgarian Medical Academy, USA

    P. Kenarov

  4. Institute for Stress Management, U.S. International Academy, USA

    F. J. McGuigan

  5. Bulgarian Medical Academy and Bulgarian Academy of Sciences, Bulgaria

    E. Yanev, A. Momchilova-Pankova, T. Markovska, K. Koumanov, P. Kenarov, F. J. McGuigan & N. Nicolov

  6. The Institute for Stress Management, United States International University, San Diego, California

    E. Yanev, A. Momchilova-Pankova, T. Markovska, K. Koumanov, P. Kenarov, F. J. McGuigan & N. Nicolov

Authors
  1. E. Yanev
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  2. A. Momchilova-Pankova
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  3. T. Markovska
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  4. K. Koumanov
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  5. P. Kenarov
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  6. F. J. McGuigan
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  7. N. Nicolov
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Yanev, E., Momchilova-Pankova, A., Markovska, T. et al. Influence of immobilization stress on the phospholipid composition of alveolar surfactant and lungs in rats. Pav. J. Biol. Sci. 25, 25–28 (1990). https://doi.org/10.1007/BF02999813

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  • DOI: https://doi.org/10.1007/BF02999813

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