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Therapeutic potential of nanoparticulate systems for macrophage targeting

机译:纳米颗粒系统对巨噬细胞靶向治疗的潜力

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The use of non-viral nanoparticulate systems for the delivery of therapeutic agents is receiving considerable attention for medical and pharmaceutical applications. This increasing interest results from the fact that these systems can be designed to meet specific physicochemical requirements, and they display low toxic and immunogenic effects. Among potential cellular targets by drug-loaded nanoparticles, macrophages are considered because they play a central role in inflammation and they act as reservoirs for microorganisms that are involved with deadly infectious diseases. The most common and potent drugs used in macrophage-mediated diseases treatment often induce unwanted side effects, when applied as a free form, due to the necessity of high doses to induce a satisfactory effect. This could result in their systemic spreading, a lack of bioavailability at the desired sites, and a short half-life. Therefore, the use of drug-loaded nanoparticles represents a good alternative to avoid, or at least decrease, side effects and increase efficacy. In this manuscript, we present an overview of the usefulness of nanoparticles for macrophage-mediated therapies in particular. We discuss, though not exhaustively, the potential of therapeutic agent-loaded nanoparticles for some macrophage-mediated diseases. We also underline the most important parameters that affect the interaction mechanisms of the macrophages and the physicochemical aspects of the particulate systems that may influence their performance in macrophage-targeted therapies. (c) 2005 Elsevier Ltd. All rights reserved.
机译:非病毒纳米颗粒系统用于治疗剂的递送在医学和制药应用中受到相当大的关注。越来越多的兴趣来自于以下事实:可以设计这些系统以满足特定的物理化学要求,并且它们显示出低毒性和免疫原性作用。在载有药物的纳米颗粒的潜在细胞靶物中,认为巨噬细胞是因为它们在炎症中起着核心作用,并充当与致命的传染病有关的微生物的贮藏库。在巨噬细胞介导的疾病治疗中使用的最常见,最有效的药物,当以游离形式使用时,由于需要大剂量才能产生令人满意的效果,因此通常会引起不良的副作用。这可能导致它们全身扩散,在所需部位缺乏生物利用度,半衰期短。因此,使用载有药物的纳米颗粒是避免或至少减少副作用和提高功效的良好选择。在此手稿中,我们概述了纳米颗粒特别是在巨噬细胞介导的疗法中的有用性。我们讨论了加载巨噬细胞的纳米颗粒在某些巨噬细胞介导的疾病中的潜力,尽管并不详尽。我们还强调了影响巨噬细胞相互作用机制和颗粒系统理化方面的最重要参数,这些参数可能会影响其在巨噬细胞靶向疗法中的性能。 (c)2005 Elsevier Ltd.保留所有权利。

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