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Dual-action nanoparticle therapy targets obesity by converting white fat and reducing inflammation

Researchers at Terasaki Institute and University of Maryland School of Pharmacy collaborate to develop a dual-action nanotherapy for obesity
Graphical abstract. Credit: Journal of Controlled Release (2025). DOI: 10.1016/j.jconrel.2025.113670

Scientists at the Terasaki Institute for Biomedical Innovation, in collaboration with the University of Maryland School of Pharmacy, have developed a new nanoparticle therapy that tackles obesity through two complementary mechanisms: converting energy-storing white fat into calorie-burning beige fat while simultaneously reducing obesity-related inflammation.

Their findings, in the Journal of Controlled Release, are detailed in an article titled "Apigenin-loaded nanoparticles for obesity intervention through immunomodulation and adipocyte browning." This innovative approach addresses key limitations of current obesity treatments by precisely targeting with apigenin-loaded nanoparticles—enhancing therapeutic effects while minimizing potential side effects.

The research team, led by Dr. Alireza Hassani Najafabadi and Dr. Ryan M. Pearson, engineered specialized PLGA nanoparticles to deliver the natural compound apigenin directly to fat tissue. This targeted delivery system ensures optimal therapeutic effects while minimizing potential side effects throughout the body.

"Our technology represents a paradigm shift in obesity treatment," said Dr. Hassani Najafabadi. "By reprogramming fat cells to burn more calories and simultaneously addressing the that exacerbates metabolic disease, we're attacking obesity at its root causes rather than just managing symptoms."

Researchers at Terasaki Institute and University of Maryland School of Pharmacy collaborate to develop a dual-action nanotherapy for obesity
Apigenin loaded nanoparticles for obesity. Credit: Terasaki Institute

Building upon previous advancements in , the team developed a novel solution to enhance apigenin's bioavailability and . "This approach focuses on shifting the balance between pro-inflammatory (M1) and anti-inflammatory (M2) macrophages in fat tissue—a critical link between and metabolic health," said Dr. Pearson.

"By addressing both inflammation and energy regulation, we hope our work will inspire new strategies for treating chronic diseases like obesity." Preclinical studies showed significant improvements in metabolic health without detectable toxicity, positioning this approach as a promising candidate for clinical translation.

Dr. Ali Khademhosseini, Director and CEO of the Terasaki Institute, emphasized the significance of this advancement: "With obesity rates continuing to rise globally, we urgently need safer, more effective treatment options. This research demonstrates how innovative biomedical engineering can transform natural compounds into powerful therapeutic tools."

This work highlights immune modulation as an emerging therapeutic strategy in treatment, offering a new approach that goes beyond appetite suppression or calorie restriction. By harnessing targeted nanomedicine to reprogram immune cells within fat tissue, the researchers open the door to more precise, immunologically driven interventions for metabolic disease.

More information: Apigenin-loaded nanoparticles for obesity intervention through immunomodulation and adipocyte browning, Journal of Controlled Release (2025).

Journal information: Journal of Controlled Release

Provided by Terasaki Institute for Biomedical Innovation

Citation: Dual-action nanoparticle therapy targets obesity by converting white fat and reducing inflammation (2025, April 9) retrieved 6 June 2025 from /news/2025-04-dual-action-nanoparticle-therapy-obesity.html
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