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Mesenchymal Stromal Cell-Mediated Treatment of Local and Systemic Inflammation through the Triggering of an Anti-Inflammatory Response

机译:间充质基质细胞介导通过触发抗炎反应来治疗局部和全身炎症

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摘要

The emergence of cell-based therapeutics, specifically the use of mesenchymal stromal/stem cells (MSCs), stands to significantly affect the future of targeted drug delivery technologies. MSCs represent a unique cell type, offering more than only regenerative potential but also site-specific inflammatory targeting and tissue infiltration. In this study, a versatile multicomponent delivery platform, combining MSC tropism with multistage nanovector (MSV)-mediated payload delivery, is debuted. It is demonstrated that the incorporation of drug-loaded MSVs bestows MSCs with the ability to transport anti-inflammatory payloads, achieving a fivefold increase in payload release without negatively impacting cellular functions, viability, extravasation, and inflammatory homing. When incorporated within MSCs, MSVs avoid rapid sequestration by filtering organs and conserve a 15-fold increase in local inflammatory targeting compared to healthy ears. Furthermore, this MSC-mediated MSV platform (M&Ms) rapidly triggers a 4.5-fold reduction of local inflammation compared to free drug and extends survival to 100% of treated mice in a lethal model of systemic inflammation.
机译:基于细胞的治疗剂的出现,特别是利用间充质基质/干细胞(MSCs),显着影响有针对性药物递送技术的未来。 MSCs代表一种独特的细胞类型,提供更多仅再生潜力,而且提供特异性炎症靶向和组织浸润。在本研究中,使用多级纳米射线(MSV)相关的有效载荷递送MSC Trophentive的多功能多组分交付平台进行了奖励。结果表明,掺入药物负载的MSVS赋予MSCS具有运输抗炎有效载荷的能力,实现有效载荷释放的五倍增加,而不会产生负面影响蜂窝功能,生存能力,外渗和炎症宿主。当在MSCs内掺入时,MSVS通过过滤器官避免快速封存,并与健康的耳朵相比,通过过滤器官进行15倍的局部炎症靶向增加。此外,与游离药物相比,该MSC介导的MSV平台(M&MS)快速地触发了局部炎症的4.5倍降低,并在全身炎症的致死模型中延伸到100%治疗的小鼠的存活率。

著录项

  • 来源
    《Advanced Functional Materials》 |2021年第3期|2002997.1-2002997.13|共13页
  • 作者单位

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA;

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA;

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA|Texas A&M Coll Med 8447 Bryan Rd Houston TX 77807 USA|Houston Methodist Hosp Orthoped & Sports Med 6565 Fannin St Houston Houston TX 77030 USA;

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA|Swansea Univ Sch Med Ctr NanoHlth Swansea Univ Bay Singleton Pk Swansea SA2 8PP W Glam Wales;

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA;

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA|Univ Milano Bicocca Nanomed Ctr NANOMIB Sch Med & Surg I-20854 Vedano Al Lambro MB Italy;

    Houston Methodist Res Inst Dept Nanomed Houston TX 77030 USA;

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA|Houston Methodist Hosp Orthoped & Sports Med 6565 Fannin St Houston Houston TX 77030 USA;

    Houston Methodist Res Inst Ctr Musculoskeletal Regenerat 6670 Bertner Ave Houston Houston TX 77030 USA|Texas A&M Coll Med 8447 Bryan Rd Houston TX 77807 USA|Houston Methodist Hosp Orthoped & Sports Med 6565 Fannin St Houston Houston TX 77030 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    drug delivery; inflammation; mesenchymal stromal; stem cells; nanovectors; sepsis;

    机译:药物递送;炎症;间充质基质;干细胞;纳米液;败血症;

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