Folic Acid and Folinic Acid Protect Hearts of Aging Triple-transgenic Alzheimer’s Disease mice via IGF1R/PI3K/AKT and SIRT1/AMPK Pathways

Patients with Alzheimer's disease have increased risk of developing heart disease, which therefore highlights the need for strategies aiming at reducing Alzheimer's disease-related cardiovascular disease. Folic acid and folinic acid are beneficial to the heart. We aimed to investigate the...

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Published in:Neurotoxicity research 2023-12, Vol.41 (6), p.648-659
Main Authors: Ju, Da-Tong, Huang, Rwei-Fen S., Tsai, Bruce Chi-Kang, Su, Yi-Chen, Chiu, Ping-Ling, Chang, Yung-Ming, Padma, V. Vijaya, Ho, Tsung-Jung, Yao, Chun-Hsu, Kuo, Wei-Wen, Huang, Chih-Yang
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Biomedicine
Cell Biology
Neurobiology
Neurochemistry
Neurology
Neurosciences
Pharmacology/Toxicology
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Summary:Patients with Alzheimer's disease have increased risk of developing heart disease, which therefore highlights the need for strategies aiming at reducing Alzheimer's disease-related cardiovascular disease. Folic acid and folinic acid are beneficial to the heart. We aimed to investigate the benefits of folic acid and folinic acid in heart of patients with late-stage Alzheimer's disease. Twelve 16-month-old mice of triple-transgenic late-stage Alzheimer's disease were divided into three groups: Alzheimer's disease group, Alzheimer's disease + folic acid group, and Alzheimer's disease + folinic acid group. The mice were administered 12 mg/kg folic acid or folinic acid once daily via oral gavage for 3 months. In the folic acid and folinic acid treatment groups, the intercellular space was reduced, compared with the Alzheimer's disease group. TUNEL assay and western blot images showed that the number of apoptotic cells and the apoptosis-related protein expression were higher in the Alzheimer's disease group than in other two treated groups. Folic acid and folinic acid induced the IGF1R/PI3K/AKT and SIRT1/ AMPK pathways in the hearts of mice with Alzheimer's disease. Our results showed that folic acid and folinic acid treatment increased survival and SIRT1 expression to reduce apoptotic proteins in the heart. The aging mice treated with folinic acid had more IGF1R and SIRT1/AMPK axes to limit myocardial cell apoptosis. In conclusion, folic acid and folinic acid promote cardiac cell survival and prevent apoptosis to inhibit heart damage in aging mice with triple-transgenic late-stage Alzheimer's disease. In particular, folinic acid provides a better curative effect than folic acid.
ISSN:1029-8428
1476-3524
DOI:10.1007/s12640-023-00666-z