A novel NIR-responsive CO gas-releasing and hyperthermia-generating nanomedicine provides a curative approach for cancer therapy
Zhaokui JinYanhong DuoYang LiMeng QiuMengna JiangQuan LiuPenghe ZhaoTian YangWeiyuan LiangHan ZhangYihai CaoQianjun He
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Abstract:
Light-sensitive nanomaterial-released thermia is an emerging approach for cancer therapy. However, the therapeutic efficacy of this approach is generally modest and several challenging issues remain unresolved, including ineffective conversion from light to heat production, uncontrolled release of anticancer drugs, and non-specific delivery of nanomaterials to the tumor site. Here, we propose a new therapeutic concept by converting a photothermal nanomaterial to tumor cell-killing gas in the tumor microenvironment (TME) for gasothermal therapy. This novel strategy employed a chemical coordination (BPN-MnCO) between light-sensitive black phosphorous nanomaterial (BPN) and metal carbonyl (MnCO). The absorption of near-infrared red (NIR) light by BPN triggered the photochemical degradation of coordinated MnCO to produce a high concentration of carbon monoxide (CO) as well as hyperpyrexia in the local TME. Additionally, the surface coordination of MnCO protected BPN from biodegradation to achieve a long-lasting effect of heat production, which went through a feedback mechanism to effectively produce anticancer CO. In various preclinical cancer models, we showed that this approach nearly completely eradicated tumors without causing any notable adverse effects. Mechanistically, we discovered that BPN-generated heat inhibited the repair process of the CO-induced DNA damage and thus accelerated the ATM–GADD45–P53–Cyclin B cell death signaling. In summary, we provide compelling experimental evidence to support our new concept of gasothermal anticancer therapy that is likely to shift a new paradigm for effective treatment of cancer.Keywords:
Cancer Therapy
Nanomaterials
Abstract Non‐invasive cancer photothermal therapy (PTT) is a promising replacement for traditional cancer treatments. The second near‐infrared region induced PTT (NIR‐II PTT, 1000–1500 nm) with less energy dissipation has been developed for deeper‐seated tumor treatment in recent years compared with the traditional first near‐infrared light (750–1000 nm). In addition, the use of emerging inorganic 2D nanomaterials as photothermal agents (PTAs) further enhanced PTT efficiency due to their intrinsic photothermal properties. NIR‐II light stimulated inorganic 2D nanomaterials for PTT is becoming a hot topic in both academic and clinical fields. This review summarizes the categories, structures, and photothermal conversion properties of inorganic 2D nanomaterials for the first time. The recent synergistic strategies of NIR‐II responsive PTT combined with other treatment approaches including chemotherapy, chemodynamic therapy, photodynamic therapy, radiotherapy are summarized. The future challenges and perspectives on these 2D nanomaterials for NIR‐II responsive PTT systems construction are further discussed.
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Photothermal effect
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Nanomaterials offer unique advantages as drug-delivery vehicles for cancer therapeutics. For immuno-oncology applications, cancer nanomedicine should be developed beyond drug-delivery platforms. A greater emphasis on actively modulating host anticancer immunity using nanomaterials provides new avenues for developing novel cancer therapeutics.
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Ferroptosis, a new iron- and reactive oxygen species-dependent form of regulated cell death, has attracted much attention in the therapy of various types of tumors. With the development of nanomaterials, more and more evidence shows the potential of ferroptosis combined with nanomaterials for cancer therapy. Recently, there has been much effort to develop ferroptosis-inducing nanomedicine, specially combined with the conventional or emerging therapy. Therefore, it is necessary to outline the previous work on ferroptosis-inducing nanomedicine and clarify directions for improvement and application to cancer therapy in the future. In this review, we will comprehensively focus on the strategies of cancer therapy based on ferroptosis-inducing nanomedicine currently, elaborate on the design ideas of synthesis, analyze the advantages and limitations, and finally look forward to the future perspective on the emerging field.
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Abstract Although photothermal therapy (PTT) can act on tumors alone, resulting in tumor shrinkage or even eradication, this effect is short‐lived, and the tumor may regrow. Thus, the most helpful contribution of PTT to cancer therapy is to employ it in conjunction with other tumor therapies, such as chemotherapy, immunotherapy, photodynamic therapy, gene therapy, radiotherapy therapy, and multiple combination therapy to boost treatment efficacy. This paper covers the benefits and drawbacks of combining photothermal therapy with various therapeutic approaches by the nanodrug delivery system and the possibilities and obstacles of clinical combination therapy.
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This review summarizes the common inorganic and organic photothermal nanoagents and their applications in tumor therapy. Additionally, the challenges and future prospects of nanomaterial-based photothermal therapy in cancer treatment are discussed.
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Gold nanoparticle mediated photothermal therapy in future medicine.
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To improve the outcome of cancer treatment, the combination of multiple therapy models has proved to be effective and promising. Gas therapy (GT) and chemodynamic therapy (CDT), mainly targeting the mitochondrion and nucleus, respectively, are two emerging strategy for anti-cancer. The development of novel nanomedicine for integrating these new therapy models is greatly significant and highly desired. A new nanomedicine is programmed by successive encapsulation of MnO2 nanoparticles and iron carbonyl (FeCO) into mesoporous silica nanoparticle. By decoding the nanomedicine, acidity in the lysosome drives MnO2 to generate ROS, ·OH among which further triggers the decomposition of FeCO into CO, realizing the effective combination of chemodynamic therapy with gas therapy for the first time. Acidity in the TEM drives MnO2 to generate ROS, ∙OH among which further triggers the decomposition of FeCO into CO, realizing the effective combination of CDT and CDGT. The co-released ROS and CO do damage to DNA and mitochondria of various cancer cells, respectively. The mitochondrial damage can effectively cut off the ATP source required for DNA repair, causing a synergetic anti-cancer effect in vitro and in vivo. The combination of CDT and CDGT causing a synergetic anti-cancer effect in vitro and in vivo. The proposed therapy concept and nanomedicine designing strategy might open a new window for engineering high-performance anti-cancer nanomedicine.
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Polydopamine (PDA), a mussel-inspired molecule, has been recognized as attractive in cancer therapy due to a number of inherent advantages, such as good biocompatibility, outstanding drug-loading capacity, degradability, superior photothermal conversion efficiency, and low tissue toxicity. Furthermore, due to its strong adhesive property, PDA is able to functionalize various nanomaterials, facilitating the construction of a PDA-based multifunctional platform for targeted or synergistic therapy. Herein, recent PDA research, including targeted drug delivery, single-mode therapy, and diverse synergistic therapies against cancer, are summarized and discussed. For synergistic therapy, advanced developments are highlighted, such as photothermal/radiotherapy, chemo-/photothermal/gene therapy, photothermal/immune therapy, and photothermal/photodynamic/immune therapy. Finally, the challenges and promise of PDA for biomedical applications in the future are discussed.
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Self-propelled Au-BP7@SP Janus-like nanohybrids with active motion under NIR laser can effectively enhance the temperature of tumors, potentially by converting the kinetic energy into thermal energy, enhancing photothermal tumor therapy. On page 5423, Y.-S. Li, L. Wang, H. Wang, and co-workers provide an insight into nanohybrids' effect on photothermal treatment and open a new avenue to cancer treatment by using self-propulsion Janus nanohybrids.
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