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Synthetic Biomimetic Liposomes Harness Efferocytosis Machinery for Highly Efficient Macrophages‐Targeted Drug Delivery to Alleviate Inflammation
https://orcid.org/0000-0002-1147-125X
AbstractMacrophages play pivotal roles in the regulation of inflammatory responses and tissue repair, making them a prime target for inflammation alleviation. However, the accurate and efficient macrophages targeting is still a challenging task. Motivated by the efficient and specific removal of apoptotic cells by macrophages efferocytosis, a novel biomimetic liposomal system called Effero‐RLP (Efferocytosis‐mediated Red blood cell hybrid Liposomes) is developed which incorporates the membrane of apoptotic red blood cells (RBCs) with liposomes for the purpose of highly efficient macrophages targeting. Rosiglitazone (ROSI), a PPARγ agonist known to attenuate macrophage inflammatory responses, is encapsulated into Effero‐RLP as model drug to regulate macrophage functions in DSS‐induced colitis mouse model. Intriguingly, the Effero‐RLP exhibits selective and efficient uptake by macrophages, which is significantly inhibited by the efferocytosis blocker Annexin V. In animal models, the Effero‐RLP demonstrates rapid recognition by macrophages, leading to enhanced accumulation at inflammatory sites. Furthermore, ROSI‐loaded Effero‐RLP effectively alleviates inflammation and protects colon tissue from injury in the colitis mouse model, which is abolished by deletion of macrophages from mice model. In conclusion, the study highlights the potential of macrophage targeting using efferocytosis biomimetic liposomes. The development of Effero‐RLP presents novel and promising strategies for alleviating inflammation.
Synthetic Biomimetic Liposomes Harness Efferocytosis Machinery for Highly Efficient Macrophages‐Targeted Drug Delivery to Alleviate Inflammation
https://orcid.org/0000-0002-1147-125X
AbstractMacrophages play pivotal roles in the regulation of inflammatory responses and tissue repair, making them a prime target for inflammation alleviation. However, the accurate and efficient macrophages targeting is still a challenging task. Motivated by the efficient and specific removal of apoptotic cells by macrophages efferocytosis, a novel biomimetic liposomal system called Effero‐RLP (Efferocytosis‐mediated Red blood cell hybrid Liposomes) is developed which incorporates the membrane of apoptotic red blood cells (RBCs) with liposomes for the purpose of highly efficient macrophages targeting. Rosiglitazone (ROSI), a PPARγ agonist known to attenuate macrophage inflammatory responses, is encapsulated into Effero‐RLP as model drug to regulate macrophage functions in DSS‐induced colitis mouse model. Intriguingly, the Effero‐RLP exhibits selective and efficient uptake by macrophages, which is significantly inhibited by the efferocytosis blocker Annexin V. In animal models, the Effero‐RLP demonstrates rapid recognition by macrophages, leading to enhanced accumulation at inflammatory sites. Furthermore, ROSI‐loaded Effero‐RLP effectively alleviates inflammation and protects colon tissue from injury in the colitis mouse model, which is abolished by deletion of macrophages from mice model. In conclusion, the study highlights the potential of macrophage targeting using efferocytosis biomimetic liposomes. The development of Effero‐RLP presents novel and promising strategies for alleviating inflammation.
Synthetic Biomimetic Liposomes Harness Efferocytosis Machinery for Highly Efficient Macrophages‐Targeted Drug Delivery to Alleviate Inflammation
https://orcid.org/0000-0002-1147-125X
AbstractMacrophages play pivotal roles in the regulation of inflammatory responses and tissue repair, making them a prime target for inflammation alleviation. However, the accurate and efficient macrophages targeting is still a challenging task. Motivated by the efficient and specific removal of apoptotic cells by macrophages efferocytosis, a novel biomimetic liposomal system called Effero‐RLP (Efferocytosis‐mediated Red blood cell hybrid Liposomes) is developed which incorporates the membrane of apoptotic red blood cells (RBCs) with liposomes for the purpose of highly efficient macrophages targeting. Rosiglitazone (ROSI), a PPARγ agonist known to attenuate macrophage inflammatory responses, is encapsulated into Effero‐RLP as model drug to regulate macrophage functions in DSS‐induced colitis mouse model. Intriguingly, the Effero‐RLP exhibits selective and efficient uptake by macrophages, which is significantly inhibited by the efferocytosis blocker Annexin V. In animal models, the Effero‐RLP demonstrates rapid recognition by macrophages, leading to enhanced accumulation at inflammatory sites. Furthermore, ROSI‐loaded Effero‐RLP effectively alleviates inflammation and protects colon tissue from injury in the colitis mouse model, which is abolished by deletion of macrophages from mice model. In conclusion, the study highlights the potential of macrophage targeting using efferocytosis biomimetic liposomes. The development of Effero‐RLP presents novel and promising strategies for alleviating inflammation.
Synthetic Biomimetic Liposomes Harness Efferocytosis Machinery for Highly Efficient Macrophages‐Targeted Drug Delivery to Alleviate Inflammation
Advanced Science
Han, Run (author) / Ren, Zhengyu (author) / Wang, Qi (author) / Zha, Haidong (author) / Wang, Erjin (author) / Wu, Mingyue (author) / Zheng, Ying (author) / Lu, Jia‐Hong (author)
Advanced Science ; 11
2024-08-01
Article (Journal)
Electronic Resource
English
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