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Obesity is defined as chronic, low-grade inflammation within specific tissues. Given the escalating prevalence of obesity among individuals of all ages, obesity has reached epidemic proportions, posing an important public health challenge. Despite significant advancements in treating obesity, conventional approaches remain largely ineffective or involve severe side effects, thus underscoring the pressing need to explore and develop treatment approaches. Targeted and local immunomodulation using nanoparticles (NPs) can influence fat production and utilization processes. Statins, known for their anti-inflammatory properties, show the potential for mitigating obesity-related inflammation. A localized delivery option offers several advantages over oral and parenteral delivery methods. Here, we developed simvastatin (Sim) encapsulated within PLGA NPs (Sim-NP) for localized delivery of Sim to adipose tissues (ATs) for immunomodulation to treat obesity. In vitro experiments revealed the strong anti-inflammatory effects of Sim-NPs, which resulted in enhanced modulation of macrophage (MΦ) polarization and induction of AT browning. We then extended our investigation to an
Mohaghegh et al. (Sun,) studied this question.