학술논문
Platelet-rich plasma protects hippocampal neurons and memory functions in a rat model of vascular dementia
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- 영문명
- 발행기관
- 대한해부학회
- 저자명
- Ji-Hyun Moon Ah La Choi Hyeon-Jeong Noh Jae Hwang Song Geum-Lan Hong Nam Seob Lee Young-Gil Jeong Seung Yun Han
- 간행물 정보
- 『Anatomy and Cell Biology』Vol.57(4), 559~569쪽, 전체 11쪽
- 주제분류
- 의약학 > 의학일반
- 파일형태
- 발행일자
- 2024.12.31
4,120원
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국문 초록
Platelet-rich plasma (PRP) is a promising biomaterial rich in bioactive growth factors, offering potential as a therapeutic agent for various diseases. However, its effectiveness in central nervous system disorders like vascular dementia (VaD) remains underexplored. This study investigated the potential of PRP to mitigate VaD progression in vivo. A rat model of VaD was established via bilateral common carotid artery occlusion and hypovolemia operation. Rats were randomly assigned to receive either PRP or platelet-poor plasma (PPP)—the latter being a byproduct of PRP preparation and used as a reference standard—resulting in the groups designated as ‘operated group (OP)+PRP’ and ‘OP+PPP’, respectively. PRP or PPP (500 μl) was administered intraperitoneally on the day of the operation and postoperative days 2, 4, 6, and 8. Cognitive function was assessed using the Y-maze, Barnes maze, and passive avoidance tests. On postoperative day 8, hippocampal samples were subjected to histological and semi-quantitative analyses. OP exhibited significant memory decline compared to controls, while the ‘OP+PRP’ group showed notable improvement. Histological analysis revealed increased neuronal loss and neuroinflammation in OP hippocampi, mitigated in ‘OP+PRP’. Semi-quantitative analysis showed decreased expression of brain-derived neurotrophic factor (BDNF) and its receptor tropomyosin receptor kinase B (TrkB) in OP, restored in ‘OP+PPP’ and further in ‘OP+PRP’. These results highlight PRP’s protective effects against VaD-induced hippocampal damage and cognitive impairment, partially attributed to BDNF/TrkB pathway upregulation.
영문 초록
목차
Introduction
Materials and Methods
Results
Discussion
ORCID
Author Contributions
Conflicts of Interest
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References
키워드
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