Article Publish Status: FREE
Abstract Title:

Tocotrienols Ameliorate Neurodegeneration and Motor Deficits in the 6-OHDA-Induced Rat Model of Parkinsonism: Behavioural and Immunohistochemistry Analysis.

Abstract Source:

Nutrients. 2021 May 10 ;13(5). Epub 2021 May 10. PMID: 34068460

Abstract Author(s):

Mangala Kumari, Premdass Ramdas, Ammu Kutty Radhakrishnan, Methil Kannan Kutty, Nagaraja Haleagrahara

Article Affiliation:

Mangala Kumari


Parkinson's disease (PD) is a debilitating neurodegenerative disease, which progresses over time, causing pathological depigmentation of the substantia nigra (SN) in the midbrain due to loss of dopaminergic neurons. Emerging studies revealed the promising effects of some nutrient compounds in reducing the risk of PD. One such nutrient compound that possess neuroprotective effects and prevents neurodegeneration is tocotrienol (T3), a vitamin E family member. In the present study, a single dose intracisternal injection of 250µg 6-hydroxydopamine (6-OHDA) was used to induce parkinsonism in male Sprague Dawley (SD) rats. Forty-eight hours post injection, the SD rats were orally supplemented with alpha (α)- and gamma (γ)-T3 for 28 days. The neuroprotective effects of α- and γ-T3 were evaluated using behavioural studies and immunohistochemistry (IHC). The findings from this study revealed that supplementation of α- and γ-T3 was able to ameliorate the motor deficits induced by 6-OHDA and improve the neuronal functions by reducing inflammation, reversing the neuronal degradation, and preventing further reductionof dopaminergic neurons in the SN and striatum (STR) fibre density.

Study Type : Animal Study

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