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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-5996
Vol. 16, No. 6, 2017, pp. 1205-1213
Bioline Code: pr17154
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 16, No. 6, 2017, pp. 1205-1213

 en Nanoemulsion formulation of Abatacept for lupus nephritis therapy
Huang, Feng & Song, Lei


Purpose: To formulate a nanoemulsion preparation of abatacept and evaluate its treatment efficacy in a C57BL/6 J mouse model of lupus nephritis (LN).
Methods: An abatacept nanoemulsion formulation was prepared using coarse homogenization followed by high-energy ultrasonication. The formulation was assessed for particle size and charge, morphology, and stability. C57BL/6 J mice treated with pristane (to create a mouse model of LN) received subcutaneous injections of the abatacept formulation, and the in vivo efficacy and immunological profiles were evaluated.
Results: The mean diameter of the nanoglobules ranged from 110 to 148 nm with a polydispersity index of < 1, and the formulation was stable for 3 months at 22 – 28 °C. The LN-model mice that were treated with the nanoemulsion formulation of abatacept showed a marked reduction in immune complexes, improved renal function and decreased expression of IL-4 and IFN-γ compared with untreated LN-model mice.
Conclusion: The nanoemulsion formulation of abatacept is a promising agent in the treatment of refractory LN. A systematic clinical trial is necessary to establish its long-term efficacy.

Nanoemulsion; Abatacept; Lupus nephritis; Beta-1 integrin; Immunological profile

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