BSA-bioinspired gold nanorods loaded with immunoadjuvant for the treatment of melanoma by combined photothermal therapy and immunotherapy.

BSA-bioinspired gold nanorods loaded with immunoadjuvant for the treatment of melanoma by combined photothermal therapy and immunotherapy.
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BSA仿生金纳米棒负载免疫佐剂用于光热疗法和免疫疗法联合治疗黑色素瘤

DOI:
10.1039/c8nr05323e
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发表时间:
2018-11-29
期刊:
影响因子:
6.7
通讯作者:
Chen WR
Chen WR
中科院分区:
材料科学2区
文献类型:
--
作者:
Zhou B ;Song J ;Wang M ;Wang X ;Wang J ;Howard EW ;Zhou F ;Qu J ;Chen WR

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开发能够有效延缓肿瘤生长、抑制肿瘤转移、保护宿主免于肿瘤复发的治疗方法仍然面临挑战。基于纳米颗粒的联合治疗可以提供有效的治疗策略。在本文中,我们表明,牛血清白蛋白(BSA)-生物启发的金纳米棒(GNRs)负载免疫佐剂的组合光热疗法(PTT)和免疫疗法治疗黑色素瘤。在这项工作中,十六烷基三甲基溴化铵(CTAB)涂层GNRs先后修饰聚乙二醇(PEG)和BSA,并负载免疫佐剂咪喹莫特(R837)。合成的mPEG-GNRs@BSA/R837纳米复合物在近红外(NIR)照射下可以有效地杀死肿瘤并在治疗小鼠转移性黑色素瘤中引发强烈的免疫应答。此外,基于纳米复合物的PTT防止肺转移并诱导强的长期抗肿瘤免疫以保护治疗的小鼠免于肿瘤复发。基于纳米复合物的PTT与免疫疗法的组合可潜在地用作治疗黑色素瘤和其他转移性癌症的有效策略。制备了一种新型的BSA-生物启发的金纳米棒负载免疫佐剂,用于联合收割机光热疗法和免疫疗法治疗黑色素瘤。
Developing therapeutic methods that can effectively delay tumor growth, inhibit tumor metastases, and protect the host from tumor recurrence still faces challenges. Nanoparticle-based combination therapy may provide an effective therapeutic strategy. Herein, we show that bovine serum albumin (BSA)-bioinspired gold nanorods (GNRs) loaded with immunoadjuvant for combined photothermal therapy (PTT) and immunotherapy for treatment of melanoma. In this work, cetyltrimethylammonium bromide (CTAB) coated GNRs were successively decorated with polyethylene glycol (PEG) and BSA, and loaded with an immunoadjuvant imiquimod (R837). The synthesized mPEG-GNRs@BSA/R837 nanocomplexes under near-infrared (NIR) irradiation could effectively kill tumors and trigger strong immune responses in treating metastatic melanoma in mice. Furthermore, the nanocomplex-based PTT prevented lung metastasis and induced a strong long-term antitumor immunity to protect treated mice from tumor recurrence. The nanocomplex-based PTT in combination with immunotherapy may be potentially employed as an effective strategy for the treatment of melanoma and other metastatic cancers. A novel BSA-bioinspired gold nanorods loaded with immunoadjuvant is fabricated to combine photothermal therapy with immunotherapy for treatment of melanoma.
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