ArticleJournal of fluorescence2025
Fluorescent, pH, and UCST Responsive Polymer Nanomaterials for Treatment of Recurrent Miscarriage.
Article in Journal of fluorescence, 2025. 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
Recurrent miscarriage (RM), defined as three or more consecutive spontaneous miscarriages, affects many women of childbearing age. The pathological basis of RM is an imbalance in apoptosis, with the MDM2-p53 pathway playing a crucial role. In this study, we synthesized poly(6-acetoxyl-ε-caprolactone)-graft-(4-amino-benzimidazole) (PCCL-4-ABI) by modifying poly(6-acetoxyl-ε-caprolactone) (PCCL) with 4-amino-benzimidazole (4-ABI). The introduction of carboxyl and 4-ABI groups endowed the PCL backbone with fluorescence, pH responsiveness, and UCST responsiveness. The temperature-dependent release behavior of compound 1-loaded PCCL-4-ABI nanofluorescent materials was attributed to UCST transition. We successfully developed a novel nanofluorescent polymer drug delivery platform, PCCL-4-ABI@1, and evaluated its regulatory effects on p53 and MDM2 in trophoblast cells (HTR-8/SVneo). The results showed that the system loaded with low molecular weight heparin increased MDM2 and decreased p53 expression in a dose-dependent manner, thereby inhibiting trophoblast cell apoptosis. This study developed a biodegradable poly(ε-caprolactone) with UCST behavior, significant for the advancement of thermoresponsive fluorescent nanoparticle systems.
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