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CDK10, CDK11, FOXO1, and FOXO3 Gene Expression in Alzheimer’s Disease Encephalic Samples

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Abstract

Alzheimer’s disease (AD) is a progressive neuroinflammatory and neurodegenerative disorder that affects different regions of the brain. Its pathophysiology includes the accumulation of β-amyloid protein, formation of neurofibrillary tangles, and inflammatory processes. Genetic factors are involved in the onset of AD, but they are not fully elucidated. Identification of gene expression in encephalic tissues of patients with AD may help elucidate its development. Our objectives were to characterize and compare the gene expression of CDK10, CDK11, FOXO1, and FOXO3 in encephalic tissue samples from AD patients and elderly controls, from the auditory cortex and cerebellum. RT-qPCR was used on samples from 82 individuals (45 with AD and 37 controls). We observed a statistically significant increase in CDK10 (p = 0.029*) and CDK11 (p = 0.048*) gene expression in the AD group compared to the control, which was most evident in the cerebellum. Furthermore, the Spearman test demonstrated the presence of a positive correlation of gene expression both in the auditory cortex in the AD group (r = 0.046/p = 0.004) and control group (r = 0.454/p = 0.005); and in the cerebellum in the AD group (r = 0.654 /p < 0.001). There was no statistically significant difference and correlation in the gene expression of FOXO1 and FOXO3 in the AD group and the control. In conclusion, CDK10 and CDK11 have high expression in AD patients compared to control, and they present a positive correlation of gene expression in the analyzed groups and tissues, which suggests that they play an important role in the pathogenesis of AD.

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Acknowledgements

This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES)—[Finance Code 001] and  [Grant number: 88887.609695/2021-00]; São Paulo Research Foundation (FAPESP)—[Grant number: 2021/12017-1]; and Marilia Medical School (FAMEMA).

Funding

This work was supported by the São Paulo Research Foundation (FAPESP) in Brazil under Grant Number 2021/12017-1.

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Contributions

Conceptualization and supervision: SLMP. Statistical Analysis: EFC. Methodology: MF; RWdL, and GT. Writing: BMF and SLMP. Review and/or Revision of the manuscript: LTR, ESC, and MdACS.

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Correspondence to Bruno Mari Fredi.

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There is no conflict of interest in carrying out this work.

Ethical Approval

The present research was approved by the Research Ethics Committee of Marilia Medical School (Famema) Number 823.72, under the responsibility of principal investigator Spencer Luiz Marques Payão, PhD.

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Fredi, B.M., De Labio, R.W., Rasmussen, L.T. et al. CDK10, CDK11, FOXO1, and FOXO3 Gene Expression in Alzheimer’s Disease Encephalic Samples. Cell Mol Neurobiol 43, 2953–2962 (2023). https://doi.org/10.1007/s10571-023-01341-9

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  • DOI: https://doi.org/10.1007/s10571-023-01341-9

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