Related Experiment Videos
Choroid plexus and ageing in rats: a morphometric and ultrastructural study.
J M Serot1, B Foliguet, M C Béné
1Laboratoire d'Immunologie, Faculté de Médecine, UHP Nancy I, 54500 Vandoeuvre les Nancy, France. faure@grip.u-nancy.fr
The European Journal of Neuroscience
|September 29, 2001
Summary
Aging in rats causes significant changes to the choroid plexus (CP), affecting its epithelial cells, basement membranes, and stroma. These structural alterations in the CP may impair cerebrospinal fluid (CSF) production and function.
Area of Science:
- Neuroscience
- Cell Biology
- Aging Research
Background:
- The choroid plexus (CP) is crucial for cerebrospinal fluid (CSF) production and homeostasis.
- Age-related changes in CP structure and function are not well understood.
Purpose of the Study:
- To investigate the ultrastructural and morphometric changes in rat choroid plexus during aging.
- To characterize the morphological alterations of the CP with age.
Main Methods:
- Ultrastructural and morphometric analysis of choroid plexus from Sprague-Dawley rats at 6, 18, and 30 months of age.
- Evaluation of epithelial cell shape, basement membrane thickness, and intravillous stroma characteristics.
Main Results:
- Epithelial cells changed from cubic to dome-like and then flattened with age.
- Epithelial basement membranes progressively thickened and became irregular.
- Intravillous stroma showed non-homogeneous increases with age, indicating fibrosis.
Conclusions:
- Aging in rats leads to CP epithelial atrophy, stromal fibrosis, and basement membrane thickening.
- These age-related morphological changes suggest impaired secretory and filtrating functions of the aging choroid plexus.