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Jiang, M.* ; Zhang, Y.* ; Zheng, T.* ; Chang, Y.* ; Qiao, N.* ; Qin, M.* ; He, P.* ; He, C.* ; Du, G.* ; Merkel, O.M. ; Sun, X.*

Transdermal microneedles integrating biomimetic self-adjuvant particles for enhanced immunity.

Nano Today 58:19 (2024)
DOI
Optimal exposure and interaction of subunit antigens with the immune system are crucial for effective immunity. The epidermis and dermis, which harbor a significant population of antigen-presenting cells (APCs) and are broadly connected to the lymphatic system, serve as ideal sites for immunization to fulfill these objectives. However, the stratum corneum barrier severely hinders transdermal delivery of antigens. Here, we developed a transdermal platform integrating yeast-derived biomimetic glucan particles (GPs) and polymeric microneedles to overcome the hurdles and induce effective immunity. GPs served as carriers for encapsulating antigens in a pathogen-like manner. The antigen-loaded particles were concentrated within the tips of polymeric microneedle to solidify as tiny reservoirs, while the needle bodies were shaped using a fast-dissolving matrix. This tip-loaded approach enabled rapid administration for better compliance, followed by an extended antigen release at administration sites, aiming for recruiting more APCs. This microscale platform capacitated a multi-functional approach for subunit vaccine development by optimizing both delivery carriers and dosage forms with modulated release mechanisms to enhance antigen exposure and interaction, thereby promoting effective humoral and cellular immunity.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Glucan Particles ; Polymeric Microneedles ; Self-adjuvant Carriers ; Subunit Vaccines ; Transdermal Delivery; Aluminum-hydroxide; Delivery-system; Vaccine; Microcapsules; Nanoparticles; Drug; Migration; Release; Peptide
Sprache englisch
Veröffentlichungsjahr 2024
HGF-Berichtsjahr 2024
ISSN (print) / ISBN 1748-0132
e-ISSN 1878-044X
Zeitschrift Nano Today
Quellenangaben Band: 58, Heft: , Seiten: , Artikelnummer: 19 Supplement: ,
Verlag Elsevier
Verlagsort 125 London Wall, London, England
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Lung Health and Immunity (LHI)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Lung Research
PSP-Element(e) G-501600-014
Förderungen China Postdoctoral Science Foundation
Fundamental Research Funds for the Central Universities, China
National Natural Science Foundation of China Youth Program
National Natural Science Foundation of China
DOI 10.1016/j.nantod.2024.102443
WOS ID 001297404500001
Scopus ID 85201215229
Erfassungsdatum 2024-09-10
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