Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 167, Issue -, Pages 605-619Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2020.11.207
Keywords
Parkinson's disease; Oxidative stress; Neuroinflammation; Mucoadhesion; Nanoemulsion
Funding
- All India Council of Technical Education (AICTE), New Delhi, India
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The research developed a Ropinirole hydrochloride nanoemulsion for Parkinson's disease treatment, showing promising results in in vitro release and permeation studies. The formulation exhibited enhanced transmittance and stable pH, suggesting potential for improved management of PD symptoms.
The research presented aims at developing Ropinirole hydrochloride (RHCl) nanoemulsion (NE) with nigella oil for Parkinson's disease (PD). In silico study was done to explore interactions of ropinirole and thymoquinone at receptor site (TNF-alpha and NFK-beta). Ropinirole and Thymoquinone forms a hydrogen bond with residue Arginine 201 and residue Arginine 253 with a bond length of 1.89 angstrom and 2.30 angstrom at the NF-kappa beta receptor. NE was optimized using Central Composite Rotatable Design (CCRD). The globule size of chitosan coated NE, Polydispersity index (PDI) and zeta potential were 183.7 +/- 5.2 nm, 0.263 +/- 0.005, and 24.9 mV respectively. NE exhibited 85.28% transmittance showing the formulation was clear and transparent. TEM showed that NE had spherical globules with no aggregation. The formulation had a stable pH value of 5.8 +/- 0.18. In vitro release and permeation studies exhibited 2 folds and 3.4 folds enhancement when compared with the drug suspension. Neurobehavioral activity and biochemical parameters corroborated well with the pharmacokinetic results. Histopathological study and immunohistochemical analysis were performed to get better picture of 6-OHDA induced toxicity and reversal of PD symptoms. Thus, the NE tailored is a promising synergistic approach yielding enticing outcomes for better management of PD related symptoms. (C) 2020 Elsevier B.V. All rights reserved.
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