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Roussos, P., Katsel, P., Davis, K.L., Giakoumaki, S.G., Lencz, T., Malhotra, A.K., Siever, L.J., Bitsios, P. and Haroutunian, V. (2013) Convergent Findings for Abnormalities of the NF-κB Signaling Pathway in Schizophrenia. Neuropsychopharmacology, 38, 533-539.
https://doi.org/10.1038/npp.2012.215

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• TITLE: The Acoustic Sensorimotor Gating Predicts the Efficiency of Hypoxic Preconditioning. Participation of the Cholinergic System in This Phenomenon

  AUTHORS: Elena I. Zakharova, Zinaida I. Storozheva, Andrew T. Proshin, Mikhail Yu. Monakov, Alexander M. Dudchenko

  KEYWORDS: Hypoxic Preсonditioning, PPI, Cholinergic Mechanisms, α7 Nicotinic Receptors

  JOURNAL NAME: Journal of Biomedical Science and Engineering, Vol.11 No.1, January 22, 2018

  ABSTRACT: Moderate one-off hypobaric hypoxia (HBH) provokes preconditioning and prolongs the resistance (T, the time before apnoea) to severe hypobaric hypoxia (SHBH). Hypoxic preconditioning has therapeutic potential; however, the efficiency of hypoxic preconditioning varies greatly and the methods for its preliminary evaluation are absent in both animals and humans. This rodent study evaluates the dependence of SHBH resistance, initiated by HBH, on the rate of sensorimotor gating estimated in the model of the acoustic startle prepulse inhibition (PPI). A stable negative correlation was found between PPI and T. Low doses of the α7 nicotinic receptor agonist, PNU-282987 (PNU), and more pronouncedly dimethyl sulfoxide (DMSO) (a PNU solvent), inverted the correlation between PPI and T from negative to positive. The DMSO and PNU effects were reversed at PPIs of 0.36 - 0.40 (36% - 40%). DMSO increased T values by 52.2% ± 9.7% in the region of lower HBH efficiency (PPI ≥ 0.40) and reduced it by 35.2% ± 9.3% in the region of higher HBH efficiency (PPI