期刊
BIOMOLECULES
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/biom11040609
关键词
yotari; kidney function; postnatal kidney development; immunofluorescence staining; transmission electron microscopy
资金
- Croatian Science Foundation [IP-06-2016-2575]
This study aimed to investigate morphological changes in the kidneys of Dab1(-/-) mice and the expression patterns of certain proteins, such as reelin, NOTCH2, LC3B, and cleaved caspase3, as potential determinants of normal kidney formation and function. The study observed that Dab1 inactivation resulted in smaller kidneys with reduced nephron segment diameter and thinner cortex. Furthermore, increased expression of these proteins in the glomeruli indicated renal hypoplasia and foot process effacement in the yotari mice.
This study aimed to explore morphology changes in the kidneys of Dab1(-/-) (yotari) mice, as well as expression patterns of reelin, NOTCH2, LC3B, and cleaved caspase3 (CASP3) proteins, as potential determinants of normal kidney formation and function. We assumed that Dab1 functional inactivation may cause disorder in a wide spectrum of congenital anomalies of the kidney and urinary tract (CAKUT). Animals were sacrificed at postnatal days P4, P11, and P14. Paraffin-embedded kidney tissues were sectioned and analyzed by immunohistochemistry using specific antibodies. Kidney specimens were examined by bright-field, fluorescence, and electron microscopy. Data were analyzed by two-way ANOVA and t-tests. We noticed that yotari kidneys were smaller in size with a reduced diameter of nephron segments and thinner cortex. TEM microphotographs revealed foot process effacement in the glomeruli (G) of yotari mice, whereas aberrations in the structure of proximal convoluted tubules (PCT) and distal convoluted tubules (DCT) were not observed. A significant increase in reelin expression, NOTCH2, LC3B and cleaved CASP3 proteins was observed in the glomeruli of yotari mice. Renal hypoplasia in conjunction with foot process effacement and elevation in the expression of examined proteins in the glomeruli revealed CAKUT phenotype and loss of functional kidney tissue of yotari.
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