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Basic Science and Pathogenesis.

Juhi Goyal1, Nitish Rai2

  • 1Mohanlal Sukhadia University, Udaipur, Rajasthan, India.

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Summary
This summary is machine-generated.

Melamine (Mel) and D-galactose (DG) accelerate neuronal aging and cell death. Combined exposure exacerbates neurotoxicity, increasing risks for neurodegenerative diseases in the elderly.

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Area of Science:

  • Neuroscience
  • Toxicology
  • Aging Research

Background:

  • Dietary compounds and ecotoxic substances significantly influence aging processes.
  • Melamine (Mel), a food adulterant, exhibits toxicity in various organs, including the brain.
  • The neurotoxic effects of Mel on aging neurons are not well understood.

Purpose of the Study:

  • To investigate the in-vitro neurotoxic impact of Melamine (Mel) on aging neuronal cells.
  • To assess the combined neurotoxic effects of Melamine (Mel) and D-galactose (DG) in a neuronal aging model.

Main Methods:

  • SH-SY5Y neuronal cells were treated with Melamine (Mel), D-galactose (DG), or both.
  • Assessed cell viability (MTT assay), neurite length, antioxidant status (CAT, SOD), reactive oxygen species (ROS), mitochondrial membrane potential (MMP), and caspase-3 (Casp3) activity.

Main Results:

  • Combined Melamine (Mel) and D-galactose (DG) treatment induced significantly higher cell death than individual treatments.
  • Co-exposure led to neurite shrinkage, increased ROS, reduced antioxidant levels (SOD, CAT), and elevated caspase-3 activity, indicating amplified neurotoxicity and apoptosis.

Conclusions:

  • Melamine (Mel) exacerbates neurotoxicity in an aging neuronal cell model.
  • Dietary Melamine (Mel) consumption may increase the risk of neurodegenerative diseases, such as Alzheimer's and Parkinson's, in the elderly population.