Evaluating the Effects of BSA-Coated Gold Nanorods on Cell Migration Potential and Inflammatory Mediators in Human Dermal Fibroblasts.

IF 5 3区 医学 Q1 ENGINEERING, BIOMEDICAL
Nouf N Mahmoud, Ayat S Hammad, Alaya S Al Kaabi, Hend H Alawi, Summaiya Khatoon, Maha Al-Asmakh
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引用次数: 0

Abstract

Albumin-coated gold nanoparticles display potential biomedical applications, including cancer research, infection treatment, and wound healing; however, elucidating their interaction with normal cells remains an area with limited exploration. In this study, gold nanorods (GNR) were prepared and coated with bovine serum albumin (BSA) to produce GNR-BSA. The functionalized nanoparticles were characterized based on their optical absorption spectra, morphology, surface charge, and quantity of attached protein. The interaction between GNR-BSA and BSA with normal cells was investigated using human dermal fibroblasts. The cytotoxicity test indicated cell viability between ~63-95% for GNR-BSA over concentrations from 30.0 to 0.47 μg/mL and ~85-98% for BSA over concentrations from 4.0 to 0.0625 mg/mL. The impact of the GNR-BSA and BSA on cell migration potential and wound healing was assessed using scratch assay, and the modulation of cytokine release was explored by quantifying a panel of cytokines using Multiplex technology. The results indicated that GNR-BSA, at 10 μg/mL, delayed the cell migration and wound healing 24 h post-treatment compared to the BSA or the control group with an average wound closure percentage of 6% and 16% at 6 and 24 h post-treatment, respectively. Multiplex analysis revealed that while GNR-BSA reduced the release of the pro-inflammatory marker IL-12 from the activated fibroblasts 24 h post-treatment, they significantly reduced the release of IL-8 (p < 0.001), and CCL2 (p < 0.01), which are crucial for the inflammation response, cell adhesion, proliferation, migration, and angiogenesis. Although GNR-BSA exhibited relatively high cell viability towards human dermal fibroblasts and promising therapeutic applications, toxicity aspects related to cell motility and migration must be considered.

评估 BSA 涂层金纳米棒对人真皮成纤维细胞的细胞迁移潜能和炎症介质的影响
白蛋白涂层金纳米粒子具有潜在的生物医学应用价值,包括癌症研究、感染治疗和伤口愈合;然而,阐明它们与正常细胞的相互作用仍然是一个探索有限的领域。本研究制备了金纳米棒(GNR),并用牛血清白蛋白(BSA)包覆,生成了 GNR-BSA。根据其光学吸收光谱、形态、表面电荷和附着蛋白质的数量对功能化纳米粒子进行了表征。利用人体真皮成纤维细胞研究了 GNR-BSA 和 BSA 与正常细胞的相互作用。细胞毒性测试表明,在 30.0 至 0.47 μg/mL 的浓度范围内,GNR-BSA 的细胞存活率约为 63-95%;在 4.0 至 0.0625 mg/mL 的浓度范围内,BSA 的细胞存活率约为 85-98%。使用划痕试验评估了 GNR-BSA 和 BSA 对细胞迁移潜力和伤口愈合的影响,并使用多重技术量化了一系列细胞因子,从而探讨了细胞因子释放的调节作用。结果表明,与 BSA 或对照组相比,10 μg/mL 的 GNR-BSA 会延缓处理后 24 小时的细胞迁移和伤口愈合,处理后 6 小时和 24 小时的平均伤口闭合率分别为 6% 和 16%。多重分析表明,虽然 GNR-BSA 减少了处理后 24 小时活化成纤维细胞中促炎标志物 IL-12 的释放,但它们显著减少了 IL-8 (p < 0.001)和 CCL2 (p < 0.01)的释放,而这两种标志物对炎症反应、细胞粘附、增殖、迁移和血管生成至关重要。尽管 GNR-BSA 对人真皮成纤维细胞表现出较高的细胞活力,并具有良好的治疗应用前景,但必须考虑与细胞运动和迁移相关的毒性问题。
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来源期刊
Journal of Functional Biomaterials
Journal of Functional Biomaterials Engineering-Biomedical Engineering
CiteScore
4.60
自引率
4.20%
发文量
226
审稿时长
11 weeks
期刊介绍: Journal of Functional Biomaterials (JFB, ISSN 2079-4983) is an international and interdisciplinary scientific journal that publishes regular research papers (articles), reviews and short communications about applications of materials for biomedical use. JFB covers subjects from chemistry, pharmacy, biology, physics over to engineering. The journal focuses on the preparation, performance and use of functional biomaterials in biomedical devices and their behaviour in physiological environments. Our aim is to encourage scientists to publish their results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Several topical special issues will be published. Scope: adhesion, adsorption, biocompatibility, biohybrid materials, bio-inert materials, biomaterials, biomedical devices, biomimetic materials, bone repair, cardiovascular devices, ceramics, composite materials, dental implants, dental materials, drug delivery systems, functional biopolymers, glasses, hyper branched polymers, molecularly imprinted polymers (MIPs), nanomedicine, nanoparticles, nanotechnology, natural materials, self-assembly smart materials, stimuli responsive materials, surface modification, tissue devices, tissue engineering, tissue-derived materials, urological devices.
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