Kazan (Volga region) Federal University, KFU
KAZAN
FEDERAL UNIVERSITY
 
INCREASING SEVERITY OF SPINAL CORD INJURY RESULTS IN MICROGLIA/MACROPHAGES WITH ANNULAR-SHAPED MORPHOLOGY AND NO CHANGE IN EXPRESSION OF CD40 AND TUMOR GROWTH FACTOR-β DURING THE CHRONIC POST-INJURY STAGE
Form of presentationArticles in international journals and collections
Year of publication2022
  • Arkhipova Svetlana Sergeevna, author
  • Rizvanov Albert Anatolevich, author
  • Rogozhin Aleksandr Aleksandrovich, author
  • Other authors Victoria James
  • Akhmetzyanova Elvira Ruslanovna, postgraduate kfu
  • Kostennikov Aleksandr Aleksandrovich, postgraduate kfu
  • Sabirov Davran Khudayshukurovich, postgraduate kfu
  • Bibliographic description in the original language Akhmetzyanova E.R, Timofeeva A.V, Sabirov D.K, Increasing Severity of Spinal Cord Injury Results in Microglia/Macrophages With Annular-Shaped Morphology and No Change in Expression of CD40 and Tumor Growth Factor-β During the Chronic Post-injury Stage//Frontiers in Molecular Neuroscience. - 2022. - Vol.14, Is.. - Art. №802558.
    Annotation Determination of the quantitative composition of phenotypically and morphologically different populations of resident microglia and infiltrating macrophages in spinal cord injury (SCI) of various degrees of severity could lead to much needed novel therapeutic interventions in neurotrauma. In this regard, we investigated the CD40 and TGF-β expressing populations of microglia/macrophages and their morphological states in a rat model of SCI of varying severity. We are the first to describe the annular-shaped microglia/macrophages, the morphology of which was formed due to the spatial orientation of the processes that form round or oval micro-territories, which include disintegrating myelin fibers. This type of cell morphology was found only in the injured spinal cord and mainly in the white matter. At the same time, an assessment of the number of annular-shaped microglia/macrophages and the diameter of micro-territories formed by their processes showed an elevation in these indicators as
    Keywords spinal cord injury, microglia, rat, polarization, morphology
    The name of the journal Frontiers in Molecular Neuroscience
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