• 36A Postępu st.

    05-552 Magdalenka, Poland

  • sekretariat@igbzpan.pl

    tel. +48 22 736-70-00
    fax +48 22 756-16-99

Piotr Poznański, PhD

Research interests:

            Addiction, neurobiology, molecular genetics, animal behavio

Academic achievements:

            8 publications: 5 original articles, 2 review articles and 1 publication in Annual Reports issued by Polish Academy of Sciences.

            Co-author of 3 reports on international conferences.

            Citations – 12 (Scopus, as of 10th February 2020)

            Hirsch index – 2 (Scopus, as of 10th February 2020)


Selected achievements:

  1. Proved non-specific effect of naloxone on ethanol consumption in individuals with hyperactive opioid system
  2. Proved significant role of the blood-brain barrier in the development of ethanol dependence
  3. Definition of mechanism responsible for attenuation of voluntary ethanol intake after induction of mild traumatic brain injury
  4. Team award of the Director of the Institute of Genetics and Animal Breeding PAS in 2018 for publication series
  5. 2nd degree award of the Rector of the Warsaw Medical University in 2018 for explanation of non-specific effect of naloxone in conditions of high endogenous opioid system activity
  6. 1st and 2nd prize on 4th International Forum for Personalized Medicine for best publications in medicine or medical biology



  • Investigator in KRN/MARSAC/2015/01: „Activity of the opioid system in the pathogenesis and therapy of inflammatory disorders in mouse lines with high and low sensitivity to stress”, 2015-2018
  • Investigator in KNOW/2015/CB/PRO1/40: „The role of blood-brain barrier in development of alcohol dependence in mouse lines divergently selected for high and low sensitivity for stress”, 2016-2019



Selected publications:

  • Anna Leśniak, Diana Chmielewska, PIOTR POZNAŃSKI, Magdalena Bujalska-Zadrożny, Joanna Strzemecka, Mariusz Sacharczuk: Divergent Response to Cannabinoid Receptor Stimulation in High and Low Stress-Induced Analgesia Mouse Lines Is Associated with Differential G-Protein Activation, Neuroscience, 404: 246-258, 2019, doi: 10.1016/j.neuroscience.2019.02.015, IF=3.382
  • PIOTR POZNAŃSKI, Anna Leśniak, Michał Korostyński, Mariusz Sacharczuk: Ethanol consumption following mild traumatic brain injury is related to blood-brain barrier permeability, Addiction Biology, 1-8, 2018, doi: 10.1111/adb.12683, IF=5.578
  • PIOTR POZNAŃSKI, Anna Leśniak, Magdalena Bujalska-Zadrożny, Joanna Strzemecka, Mariusz Sacharczuk: Bidirectional selection for high and low stress-induced analgesia affects G-protein activity, Neuropharamcology, 144: 37-42, 2018, IF=4.249
  • PIOTR POZNAŃSKI, Anna Leśniak, Michał Korostyński, Klaudia Szklarczyk, Marzena Łazarczyk, Piotr Religa, Magdalena Bujalska-Zadrożny, Bogdan Sadowski, Mariusz Sacharczuk: Delta-opioid receptor antagonism leads to excessive ethanol consumption in mice with enhanced activity of the endogenous opioid system, Neuropharmacology, 118: 90-101, 2017, IF=5.012


External links to scientific portals:

  • https://www.researchgate.net/profile/Piotr_Poznanski2
  • https://www.scopus.com/authid/detail.uri?authorId=14034781000