Current eye research · 2023
Choroidal Thickness is Increased following Restraint Stress in Rats.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Maeda Yuki, Takata Masashi, Gomi Fumi
Аннотация
PURPOSE: Central serous chorioretinopathy is a stress-induced disease and often shows pachychoroid; however, the relationship between stress and choroid remains unlear. The purpose of this study was to investigate, using optical coherence tomography, whether the choroid thickens when rats are subjected to restraint stress.
METHODS: Eight-week-old male F334/Jcl rats were subjected to 30 min of restraint stress, and choroidal thickness was measured before and after stress loading using optical coherence tomography. In addition, salivary corticosterone levels were measured before and after stress loading.
RESULTS: Choroidal thickness was significantly increased from 30.1 ± 6.4 µm to 39.7 ± 9.2 µm just after stress loading (p = 0.001). Significant choroidal thickening was not observed on the next day. The salivary corticosterone concentration increased from 1575.3 ± 1040.6 pg/mL before stress loading to 6022.2 ± 6742.6 pg/mL after stress loading, but the difference was not significant (p = 0.10).
CONCLUSIONS: Choroidal thickness increased when rats were subjected to restraint stress, supporting the hypothesis that stress is one of the causes of pachychoroid spectrum disease, as exemplified by central serous chorioretinopathy.
METHODS: Eight-week-old male F334/Jcl rats were subjected to 30 min of restraint stress, and choroidal thickness was measured before and after stress loading using optical coherence tomography. In addition, salivary corticosterone levels were measured before and after stress loading.
RESULTS: Choroidal thickness was significantly increased from 30.1 ± 6.4 µm to 39.7 ± 9.2 µm just after stress loading (p = 0.001). Significant choroidal thickening was not observed on the next day. The salivary corticosterone concentration increased from 1575.3 ± 1040.6 pg/mL before stress loading to 6022.2 ± 6742.6 pg/mL after stress loading, but the difference was not significant (p = 0.10).
CONCLUSIONS: Choroidal thickness increased when rats were subjected to restraint stress, supporting the hypothesis that stress is one of the causes of pachychoroid spectrum disease, as exemplified by central serous chorioretinopathy.