Apple Pomace Extract Improves MK-801-Induced Memory Impairment in Mice

Area of Science:

• Neuroscience
• Pharmacology
• Biochemistry

Background:

• Alzheimer's disease (AD) is a neurodegenerative condition characterized by cognitive decline, synaptic damage, and neurotransmission issues.
• Apple pomace, an apple industry byproduct, shows potential health benefits, but its effects on AD are unexplored.

Purpose of the Study:

• To investigate the potential of apple pomace extract in preventing and treating Alzheimer's disease-like memory deficits.
• To explore the molecular mechanisms underlying apple pomace extract's effects on the brain.

Main Methods:

• Administered apple pomace extract to mice for 7 days to assess its impact on MK-801-induced memory impairment.
• Utilized RNA sequencing and real-time PCR to analyze gene expression changes in the mouse hippocampus.

Main Results:

• Apple pomace extract treatment reversed memory impairments in associative and recognition tasks induced by MK-801.
• Gene expression analysis revealed upregulation of Zfp125 and Gstp1 mRNA.
• Upregulation of gene sets associated with synaptic function and neurotransmission was observed in the hippocampus.

Conclusions:

• Apple pomace extract demonstrates neuroprotective effects against memory deficits.
• The extract's therapeutic potential for Alzheimer's disease may stem from its ability to modulate synaptic and neurotransmission pathways.