Polylactide Degradation Activates Immune Cells by Metabolic Reprogramming
Abstract: Polylactide (PLA) is the most widely utilized biopolymer in medicine. However, chronic inflammation and excessive fibrosis resulting from its degradation remain significant obstacles to extended clinical use. Immune cell activation has been correlated to the acidity of breakdown products, yet methods to neutralize the pH have not significantly reduced adverse responses. Using a bioenergetic model, delayed cellular changes are observed that are not apparent in the short‐term. Amorphous and semi‐crystalline PLA degradation products, including monomeric l‐lactic acid, mechanistically remodel metabolism in cells leading to a reactive immune microenvironment characterized by elevated proinflammatory cytokines. Selective inhibition of metabolic reprogramming and altered bioenergetics both reduce these undesirable high cytokine levels and stimulate anti‐inflammatory signals. The results present a new biocompatibility paradigm by identifying metabolism as a target for immunomodulation to increase tolerance to biomaterials, ensuring safe clinical application of PLA‐based implants for soft‐ and hard‐tissue regeneration, and advancing nanomedicine and drug delivery.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Polylactide Degradation Activates Immune Cells by Metabolic Reprogramming ; day:22 ; month:09 ; year:2023 ; extent:16
Advanced science ; (22.09.2023) (gesamt 16)
- Urheber
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Maduka, Chima V.
Alhaj, Mohammed
Ural, Evran
Habeeb, Oluwatosin M.
Kuhnert, Maxwell M.
Smith, Kylie
Makela, Ashley V.
Pope, Hunter
Chen, Shoue
Hix, Jeremy M.
Mallett, Christiane L.
Chung, Seock‐Jin
Hakun, Maxwell
Tundo, Anthony
Zinn, Kurt R.
Hankenson, Kurt D.
Goodman, Stuart B.
Narayan, Ramani
Contag, Christopher H.
- DOI
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10.1002/advs.202304632
- URN
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urn:nbn:de:101:1-2023092315012422870586
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:53 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Maduka, Chima V.
- Alhaj, Mohammed
- Ural, Evran
- Habeeb, Oluwatosin M.
- Kuhnert, Maxwell M.
- Smith, Kylie
- Makela, Ashley V.
- Pope, Hunter
- Chen, Shoue
- Hix, Jeremy M.
- Mallett, Christiane L.
- Chung, Seock‐Jin
- Hakun, Maxwell
- Tundo, Anthony
- Zinn, Kurt R.
- Hankenson, Kurt D.
- Goodman, Stuart B.
- Narayan, Ramani
- Contag, Christopher H.
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