Evaluation of Blood–Brain Barrier Disruption Using Low- and High-Molecular-Weight Complexes in a Single Brain Sample in a Rat Traumatic Brain Injury Model: Comparison to an Established Magnetic Resonance Imaging Technique DOI Open Access

Vladislav Zvenigorodsky,

Benjamin F. Gruenbaum, Ilan Shelef

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(20), P. 11241 - 11241

Published: Oct. 19, 2024

Traumatic brain injury (TBI), a major cause of death and disability among young people, leads to significant public health economic challenges. Despite its frequency, treatment options remain largely unsuitable. However, examination the blood–brain barrier (BBB) can assist with understanding mechanisms dynamics dysfunction, which affects TBI sufferers secondarily injury. Here, we present rat model focused on two standard BBB assessment markers, high- low-molecular-weight complexes, in order understand disruption. In addition, tested new technique evaluate disruption single set, comparing neuroimaging. A total 100 Sprague–Dawley rats were separated into following five groups: naive (n = 20 rats), control administration 60 rats). Rats assessed at different time points after measure using low- high-molecular-weight complexes. Neurological severity score was evaluated baseline 24 h TBI. During neurological exam TBI, scanned magnetic resonance imaging euthanized for permeability. We found that markers displayed examples same set tissues over period week. Our innovative protocol assessing permeability complexes showed appropriate results. Additionally, determined lower limit sensitivity, therefore demonstrating accuracy this method.

Language: Английский

Changes of rat’s brain vesseles after air shock wave exposure DOI Open Access
J Kozlová, С. В. Козлов, Hanna Maslak

et al.

Reports of Morphology, Journal Year: 2024, Volume and Issue: 30(1), P. 55 - 60

Published: March 17, 2024

Mild blast-induced traumatic brain injury is common among the military, resulting in cognitive impairment, reduced socialization, which leads to disability and, as a result, deterioration quality of life. It considered that blood-brain barrier disruption and microvascular dysfunction are key this type injury. The purpose study was changes vessels after air shock wave exposure. carried out on 48 mature male Wistar rats, were randomly divided into 2 groups: an experimental group, animals subjected inhalation anesthesia using halothane exposed with overpressure 26.4±3.6 kPa, Sham group. After simulation days 1st, 3rd, 7th, 14th, 21st, rats euthanized removed all standard histological procedures stained hematoxylin eosin. For immunohistochemical studies, primary antibodies used eNOS. finished preparations examined by light microscopy photographed. Disorders cerebral detected from day 1st posttraumatic period. found blast led vascular rupture, well increased permeability diapedesis red blood cells edema for up 21st days. Focal violations wall integrity cortical hippocampal hemocapillaries, venular link submembrane vessels; morphology metabolic endothelium; uneven filling major importance. These indicate eNOS expression dilation vessels, compensatory mechanism response improve circulation. However, not involved vasodilation, we observed post-trauma.

Language: Английский

Citations

0

The Role of Diet in Posttraumatic Stress Disorder (PTSD) DOI
Sidney L. Murray, Kathleen F. Holton

Springer eBooks, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 24

Published: Jan. 1, 2024

Language: Английский

Citations

0

Comparison of Cerebral Saturation and Brain Net Water Uptake After Moderate Traumatic Brain Injury DOI

Alex O. Trofimov,

Kseniia A. Trofimova,

Oxana Semyachkina-Glushkovskaya

et al.

Advances in experimental medicine and biology, Journal Year: 2024, Volume and Issue: unknown, P. 57 - 60

Published: Jan. 1, 2024

Language: Английский

Citations

0

Evaluation of Blood–Brain Barrier Disruption Using Low- and High-Molecular-Weight Complexes in a Single Brain Sample in a Rat Traumatic Brain Injury Model: Comparison to an Established Magnetic Resonance Imaging Technique DOI Open Access

Vladislav Zvenigorodsky,

Benjamin F. Gruenbaum, Ilan Shelef

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(20), P. 11241 - 11241

Published: Oct. 19, 2024

Traumatic brain injury (TBI), a major cause of death and disability among young people, leads to significant public health economic challenges. Despite its frequency, treatment options remain largely unsuitable. However, examination the blood–brain barrier (BBB) can assist with understanding mechanisms dynamics dysfunction, which affects TBI sufferers secondarily injury. Here, we present rat model focused on two standard BBB assessment markers, high- low-molecular-weight complexes, in order understand disruption. In addition, tested new technique evaluate disruption single set, comparing neuroimaging. A total 100 Sprague–Dawley rats were separated into following five groups: naive (n = 20 rats), control administration 60 rats). Rats assessed at different time points after measure using low- high-molecular-weight complexes. Neurological severity score was evaluated baseline 24 h TBI. During neurological exam TBI, scanned magnetic resonance imaging euthanized for permeability. We found that markers displayed examples same set tissues over period week. Our innovative protocol assessing permeability complexes showed appropriate results. Additionally, determined lower limit sensitivity, therefore demonstrating accuracy this method.

Language: Английский

Citations

0