期刊
AGING-US
卷 13, 期 7, 页码 9433-9454出版社
IMPACT JOURNALS LLC
DOI: 10.18632/aging.202916
关键词
optical coherence tomography; normative data; Alzheimer's disease; mouse model; retinal thickness
资金
- Portuguese Foundation for Science and Technology (FCT) [PTDC/EMD-EMD/28039/2017, UIDB/04950/2020, Pest-UID/NEU/04539/2019]
- FEDER-COMPETE [POCI-01-0145-FEDER-028039]
- Fundação para a Ciência e a Tecnologia [PTDC/EMD-EMD/28039/2017, UIDB/04950/2020] Funding Source: FCT
This study established a normative database of retinal thickness in mice aged one to four months, providing data for studying the aging of control and disease model mice. Results showed differences in thickness at different layers, a nasal-temporal asymmetry, and significant differences in thickness between the transgenic mouse group and the normative database.
Mice are widely used as models for many diseases, including eye and neurodegenerative diseases. However, there is a lack of normative data for retinal thickness over time, especially at young ages. In this work, we present a normative thickness database from one to four-months-old, for nine layers/layer-aggregates, including the total retinal thickness, obtained from the segmentation of spectral-domain optical coherence tomography (SD-OCT) data from the C57BL6/129S mouse strain. Based on fifty-seven mice, this normative database provides an opportunity to study the ageing of control mice and characterize disease models' ageing, such as the triple transgenic mouse model of Alzheimer's disease (3xTg-AD) used in this work. We report thickness measurements, the differences in thickness per layer, demonstrate a nasal-temporal asymmetry, and the variation of thickness as a function to the distance to the optic disc center. Significant differences were found between the transgenic group's thickness and the normative database for the entire period covered in this study. Even though it is well accepted that retinal nerve fiber layer (RNFL) thinning is a hallmark of neurodegeneration, our results show a thicker RNFL-GCL (RNFL-Ganglion cell layer) aggregate for the 3xTg-AD mice until four-months-old.
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