ArticleInternational journal of nanomedicine2024
Combination of DMDD with Nanoparticles Effective Against Diabetic Kidney Disease in vitro.
Article in International journal of nanomedicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: 2-Dodecyl-6-methoxy-2,5-diene-1,4-cyclohexanedione (DMDD), isolated from Methods: DMDD-NPs were prepared by ionic crosslinking with sodium tripolyphosphate, optimizing six factors that affect nanoparticle characteristics, including particle size and zeta potential. Encapsulation efficiency (EE) and drug loading rate (DL) were optimized using a Box-Behnken design. The structure and characteristics of DMDD-NPs, including size, EE, DL, and release rates, were analyzed. Cytotoxicity was assessed using the Cell Counting Kit-8 (CCK-8) assay, while the migration capacity of HK-2 cells was evaluated through scratch-wound assays. The expression of EMT-related markers (E-cadherin, Vimentin, and TGF-β1) was assessed by qRT-PCR. Results: The optimized formulation for DMDD-NPs was CS:TPP:DMDD = 10:3:3 (w), at pH 3.5, with 1.0 mg/mL of CS and stirring at 500 rpm for 30 min. In these conditions, the nanoparticles had a particle size of 320.37 ± 2.93 nm, an EE of 85.09 ± 1.43%, and a DL of 15.88 ± 0.51%. The DMDD-NPs exhibited a spherical shape, no leakage and minimal adhesion. The optimal freeze-drying protectant was a combination of 0.025% mannitol and 0.025% lactose. The drug release followed the Higuchi model. DMDD-NPs improved HK-2 cell proliferation at lower concentrations (<24 μg/mL) and showed greater cell migration inhibition than DMDD. DMDD-NPs promoted E-cadherin expression and inhibited vimentin and TGF-β1 expression, suggesting their potential role in preventing EMT for DKD treatment.
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