Neuroprotective effects of a variety of pomegranate juice extracts against MPTP-induced cytotoxicity and oxidative stress in human primary neurons

Nady Braidy, Subash Selvaraju, Musthafa Mohamed Essa, Ragini Vaishnav, Samir Al-Adawi, Abdullah Al-Asmi, Hamed Al-Senawi, Ammar Abd Alrahman Alobaidy, Ritu Lakhtakia, Gilles J. Guillemin

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) is an environmental toxin which selectively induces oxidative damage and mitochondrial and proteasomal dysfunctions to dopaminergic neurons in the substantia nigra leading to Parkinsonian syndrome in animal models and humans. MPTP is one of the most widely used in vitro models to investigate the pathophysiology of Parkinson's disease (PD) and, screen for novel therapeutic compounds that can slow down or ameliorate this progressive degenerative disease. We investigated the therapeutic effect of pomegranate juice extracts (PJE), Helow, Malasi, Qusum, and Hamadh against MPTP-induced neurotoxicity in primary human neurons by examining extracellular LDH activity, intracellular NAD+ and ATP levels, and endogenous antioxidant levels including lipid peroxidation products, catalase, superoxide dismutase (SOD) and glutathione peroxidase (GPx) activities, and reduced glutathione (GSH) levels. MPTP induced a reduction in SOD and GPx activities and intracellular NAD+, ATP, and GSH levels parallel to an increase in extracellular LDH and CAT activities, although lipid peroxidation was not altered. We report that helow and malasi can ameliorate MPTP-induced neurotoxicity by attenuating the observed changes in redox function to a greater extent than qusum and hamedh. Selected PJE varieties may exhibit properties which may be of therapeutic value to slow down age-related degeneration and neurodegeneration in particular.

Original languageEnglish
Article number685909
JournalOxidative Medicine and Cellular Longevity
DOIs
Publication statusPublished - 2013

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Punicaceae
1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine
Oxidative stress
Neuroprotective Agents
Cytotoxicity
Neurons
Oxidative Stress
Glutathione Peroxidase
NAD
Lipid Peroxidation
Superoxide Dismutase
Adenosine Triphosphate
Lipids
Dopaminergic Neurons
Parkinsonian Disorders
Therapeutic Uses
Substantia Nigra
Catalase
Oxidation-Reduction
Glutathione

ASJC Scopus subject areas

  • Cell Biology
  • Ageing
  • Biochemistry
  • Medicine(all)

Cite this

Neuroprotective effects of a variety of pomegranate juice extracts against MPTP-induced cytotoxicity and oxidative stress in human primary neurons. / Braidy, Nady; Selvaraju, Subash; Essa, Musthafa Mohamed; Vaishnav, Ragini; Al-Adawi, Samir; Al-Asmi, Abdullah; Al-Senawi, Hamed; Abd Alrahman Alobaidy, Ammar; Lakhtakia, Ritu; Guillemin, Gilles J.

In: Oxidative Medicine and Cellular Longevity, 2013.

Research output: Contribution to journalArticle

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