Mn and Zn-Doped Multivariate Metal-Organic Framework as a Metalloimmunological Adjuvant to Promote Protection Against Tuberculosis Infection.

IF 10 2区 医学 Q1 ENGINEERING, BIOMEDICAL
Thomas S Howlett, Sneha Kumari, Ryanne N Ehrman, Jesse Masson, Linda Izzo, Trixie Wang, Humera Gull, Ikeda Trashi, Wendy Tang, Orikeda Trashi, Neha Satish, Yalini H Wijesundara, Fabian C Herbert, Angelo A Izzo, Jeremiah J Gassensmith
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引用次数: 0

Abstract

A first-in-class vaccine adjuvant delivery system, Mn-ZIF, is developed by incorporating manganese (Mn) into the zinc-containing zeolitic-imidazolate framework-8 (ZIF-8). The mixed metal approach, which allowed for tunable Mn doping, is made possible by including a mild reducing agent in the reaction mixture. This approach allows up to 50% Mn, with the remaining 50% Zn within the ZIF. This multivariate approach exhibits significantly decreased cytotoxicity compared to ZIF-8. The porous structure of Mn-ZIF enables the co-delivery of the STING agonist cyclic di-adenosine monophosphate (CDA) through post-synthetic loading, forming CDA@Mn-ZIF. The composite demonstrated enhanced cellular uptake and synergistic activation of the cGAS-STING pathway, producing proinflammatory cytokines and activating antigen-presenting cells (APCs). In a preclinical Mycobacterium tuberculosis (Mtb) model, CDA@Mn-ZIF formulates with the CysVac2 fusion protein elicited a potent antigen-specific T-cell response and significantly reduced the mycobacterial burden in the lungs of infected mice. These findings highlight the potential of CDA@Mn-ZIF as a promising adjuvant for subunit vaccines, offering a novel approach to enhancing vaccine efficacy and protection against infectious diseases such as tuberculosis.

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来源期刊
Advanced Healthcare Materials
Advanced Healthcare Materials 工程技术-生物材料
CiteScore
14.40
自引率
3.00%
发文量
600
审稿时长
1.8 months
期刊介绍: Advanced Healthcare Materials, a distinguished member of the esteemed Advanced portfolio, has been dedicated to disseminating cutting-edge research on materials, devices, and technologies for enhancing human well-being for over ten years. As a comprehensive journal, it encompasses a wide range of disciplines such as biomaterials, biointerfaces, nanomedicine and nanotechnology, tissue engineering, and regenerative medicine.
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