Nanovaccine loaded with seno-antigen target senescent cells to improve metabolic disorders of adipose tissue and cardiac dysfunction.

Kexin Zhang, Qiliang Yin, Yucen Ma, Mengyu Cao, Lingwei Li, Xinliang Jin, Jiyan Leng

Department of Cadre Ward, The First Hospital of Jilin University, Changchun, China.Department of Cadre Ward, The First Hospital of Jilin University, Changchun, China. · pubmed

Paper

Abstract

The buildup of senescent cells exacerbates metabolic disorders in adipose tissue and contributes to aging-related cardiac dysfunction. Targeted clearance of senescent cells can markedly ameliorate these aging-related diseases. Here, we developed a novel nanovaccine (GK-NaV) loaded with seno-antigen that is self-assembled from the fusion of cationic protein (K36) and seno-antigen peptide (Gpnmb). The GK-NaV could be highly engulfed by bone marrow-derived dendritic cells (BMDCs) and efficiently present antigens on the cellular surface, thereby promoting DCs maturation and activation of CD8

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Research summary

The paper claims that a novel nanovaccine can target and clear senescent cells to improve metabolic disorders and cardiac dysfunction. This research addresses the root cause of aging by focusing on the clearance of senescent cells, which is directly linked to aging-related diseases.

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