ArticleInternational journal of nanomedicine2025
AuNRs-PPARγmAb Induce Targeted Adipocyte Apoptosis Through Photothermal Effects for Effective Localized Fat Reduction.
Article in International journal of nanomedicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Advances in Nano-Phototherapy for Targeted Fat Reduction: From Mechanisms to Clinical Translation in Obesity.International journal of nanomedicine · 2025Review
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9 authors.
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Abstract
Background: Non-invasive fat reduction and body contouring technologies have rapidly advanced in plastic surgery. Although various devices have been developed globally for body sculpting, the mechanisms and long-term efficacy of non-surgical fat reduction are still debated. While gold nanorods (AuNRs) have been extensively studied in cancer treatment, their potential in fat reduction has not been explored. This study aims to design a novel nanoplatform combining AuNRs with a PPARγ monoclonal antibody (PPARγmAb) for effective photothermal fat reduction therapy. Methods: AuNRs were chemically activated by adding 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) activator, followed by the addition of PPARγmAb for reaction. Simultaneously, adipose-derived stem cells were induced to differentiate into adipocytes, and an obese mouse model was established. Differentiated adipocytes and obese mice were treated with AuNRs-PPARγmAb and exposed to 808nm near-infrared (NIR) laser irradiation to evaluate fat reduction effects and biocompatibility. Results: The PPARγmAb modification did not significantly affect the optical properties of AuNRs but greatly increased their retention in adipocytes. Compared to AuNRs alone, AuNRs-PPARγmAb showed a stronger photothermal effect on adipocytes under 808 nm near-infrared laser irradiation, inducing cell apoptosis. In obese mice, AuNRs-PPARγmAb treatment significantly reduced adipose tissue weight, size, and thickness, with no major histopathological damage observed in organs. Hematological parameters, as well as liver and kidney function, remained unchanged, confirming the biocompatibility and fat-reducing efficacy of the treatment. Conclusion: AuNRs-PPARγmAb, when exposed to 808nm NIR laser irradiation, effectively targets and induces apoptosis in adipocytes, leading to significant fat reduction. This targeted approach offers a promising method for non-surgical, localized fat reduction. Compared to other fat reduction treatments, it provides the advantages of high specificity, minimal invasiveness, and fewer side effects, highlighting its potential for clinical application.
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