Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/ijms23158670
Keywords
Alzheimer disease; mitochondria; mitochondria dysfunction; folic acid; vitamin B6; magnesium-orotate; amyloid beta; C; elegans; biofactor
Funding
- Worwag Pharma Boblingen, Germany [82540149]
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In Alzheimer's disease, folic acid, magnesium, and vitamin B6 can reduce Aβ levels, enhance lactate dehydrogenase expression, and improve the phenotype of nematodes.
Increased amyloid beta (A beta) levels and mitochondrial dysfunction (MD) in the human brain characterize Alzheimer disease (AD). Folic acid, magnesium and vitamin B6 are essential micro-nutrients that may provide neuroprotection. Bioenergetic parameters and amyloid precursor protein (APP) processing products were investigated in vitro in human neuroblastoma SH-SY5Y-APP695 cells, expressing neuronal APP, and in vivo, in the invertebrate Caenorhabditis elegans (CL2006 & GMC101) expressing muscular APP. Model organisms were incubated with either folic acid and magnesium-orotate (ID63) or folic acid, magnesium-orotate and vitamin B6 (ID64) in different concentrations. ID63 and ID64 reduced A beta, soluble alpha APP (sAPP alpha), and lactate levels in SH-SY5Y-APP695 cells. The latter might be explained by enhanced expression of lactate dehydrogenase (LDHA). Micronutrient combinations had no effects on mitochondrial parameters in SH-SY5Y-APP695 cells. ID64 showed a significant life-prolonging effect in C. elegans CL2006. Incubation of GMC101 with ID63 significantly lowered A beta aggregation. Both combinations significantly reduced paralysis and thus improved the phenotype in GMC101. Thus, the combinations of the tested biofactors are effective in pre-clinical models of AD by interfering with A beta related pathways and glycolysis.
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