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Wu D, Wang J, Du X, Cao Y, Ping K, Liu D. Cucurbit[8]uril-based supramolecular theranostics. J Nanobiotechnology 2024; 22:235. [PMID: 38725031 PMCID: PMC11084038 DOI: 10.1186/s12951-024-02349-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 02/20/2024] [Indexed: 05/12/2024] Open
Abstract
Different from most of the conventional platforms with dissatisfactory theranostic capabilities, supramolecular nanotheranostic systems have unparalleled advantages via the artful combination of supramolecular chemistry and nanotechnology. Benefiting from the tunable stimuli-responsiveness and compatible hierarchical organization, host-guest interactions have developed into the most popular mainstay for constructing supramolecular nanoplatforms. Characterized by the strong and diverse complexation property, cucurbit[8]uril (CB[8]) shows great potential as important building blocks for supramolecular theranostic systems. In this review, we summarize the recent progress of CB[8]-based supramolecular theranostics regarding the design, manufacture and theranostic mechanism. Meanwhile, the current limitations and corresponding reasonable solutions as well as the potential future development are also discussed.
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Affiliation(s)
- Dan Wu
- Department of Vascular Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Jianfeng Wang
- Department of Radiotherapy, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China
| | - Xianlong Du
- Bethune First Clinical Medical College, Jilin University, Changchun, 130012, People's Republic of China
| | - Yibin Cao
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Kunmin Ping
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Dahai Liu
- Department of Vascular Surgery, China-Japan Union Hospital, Jilin University, Changchun, 130033, People's Republic of China.
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Jiang A, Zheng X, Yan S, Yan J, Yao Y, He W. Advancing the Boundaries of Immunotherapy in Lung Adenocarcinoma with Idiopathic Pulmonary Fibrosis by a Biomimetic Proteinoid Enabling Selective Endocytosis. ACS NANO 2024. [PMID: 38319028 PMCID: PMC10883119 DOI: 10.1021/acsnano.3c09852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
The coexistence of lung adenocarcinoma (LUAD) with idiopathic pulmonary fibrosis (IPF), which has been extensively documented as a prominent risk factor for checkpoint inhibitor-related pneumonitis (CIP) in patients undergoing immunotherapy, has long been considered a restricted domain for the use of immune checkpoint inhibitors (ICIs). To overcome it, an approach was employed herein to specifically target PD-L1 within the cellular interior, surpassing the conventional focus solely on the cytomembrane, thereby facilitating the development of ICIs capable of distinguishing between LUAD cells and noncancerous cells based on their distinctive endocytic propensities. By exploiting the aurophilicity-driven self-assembly of a PD-L1 binding peptide (PDBP) and subsequently encapsulating it within erythrocyte membranes (EM), the resulting biomimetic ICIs protein EMS-PDBP exhibited extraordinary selectivity in internalizing LUAD cells, effectively targeting PD-L1 within cancer cells while hindering its membrane translocation. The EMS-PDBP treatment not only reactivated the antitumor immune response in the LUAD orthotopic allograft mouse model but also demonstrated a favorable safety profile by effectively eliminating any immune-related adverse events (irAEs). Most significantly, EMS-PDBP successfully and safely restored the antitumor immune response in a mouse model of LUAD with coexistent IPF, thus shattering the confines of ICIs immunotherapy. The reported EMS-PDBP collectively offers a potential strategy for immune reactivation to overcome the limitations of immunotherapy in LUAD coexisting with IPF.
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Affiliation(s)
- Aimin Jiang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Xiaoqiang Zheng
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
- Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Siqi Yan
- Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Jin Yan
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Yu Yao
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Wangxiao He
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
- Department of Talent Highland, The First Affiliated Hospital of Xi'an Jiao Tong University, Xi'an 710061, China
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Liu H, Huang Y, Li Z, Han S, Liu T, Zhao Q. An innovative gene expression modulating strategy by converting nucleic acids into HNC therapeutics using carrier-free nanoparticles. Front Immunol 2024; 14:1343428. [PMID: 38274829 PMCID: PMC10808498 DOI: 10.3389/fimmu.2023.1343428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 12/22/2023] [Indexed: 01/27/2024] Open
Abstract
Background Cell fate and microenvironmental changes resulting from aberrant expression of specific proteins in tumors are one of the major causes of inadequate anti-tumor immune response and poor prognosis in head and neck cancer (HNC). Eukaryotic initiation factor 3C (eIF3c) has emerged as a promising therapeutic target for HNC due to its ability to regulate protein expression levels in tumor cells, but its drug development is difficult to achieve by targeting traditional protein-protein interactions. siRNA has emerged as a highly promising modality for drug development targeting eIF3c, while its application is hindered by challenges pertaining to inadequate stability and insufficient concentration specifically within tumor sites. Method We employed a method to convert flexible siRNAs into stable and biologically active infinite Auric-sulfhydryl coordination supramolecular siRNAs (IacsRNAs). Through coordinated self-assembly, we successfully transformed eIF3C siRNAs into the carrier-free HNC nanotherapeutic agent Iacs-eif3c-RNA. The efficacy of this agent was evaluated in vivo using HNC xenograft models, demonstrating promising antitumor effects. Results Iacs-eif3c-RNA demonstrated the ability to overcome the pharmacological obstacle associated with targeting eIF3C, resulting in a significant reduction in eIF3C expression within tumor tissues, as well as effective tumor cell proliferating suppression and apoptosis promotion. In comparison to monotherapy utilizing the chemotherapeutic agent cisplatin, Iacs-eif3c-RNA exhibited superior anti-tumor efficacy and favorable biosafety. Conclusion The utilization of Iacs-eif3c-RNA as a carrier-free nanotherapeutic agent presents a promising and innovative approach for addressing HNC treating challenges. Moreover, this strategy demonstrates potential for the translation of therapeutic siRNAs into clinical drugs, extending its applicability to the treatment of other cancers and various diseases.
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Affiliation(s)
- Heyuan Liu
- National and Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yinong Huang
- Shaanxi Institute of Pediatric Diseases, Xi’an Children’s Hospital, Xi’an, China
| | - Zongfang Li
- National and Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Suxia Han
- Department of Radiation Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Tianya Liu
- Institute for Stem Cell and Regenerative Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Qian Zhao
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
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Liu D, Wang J, You W, Ma F, Sun Q, She J, He W, Yang G. A d-peptide-based oral nanotherapeutic modulates the PD-1/PD-L1 interaction for tumor immunotherapy. Front Immunol 2023; 14:1228581. [PMID: 37529049 PMCID: PMC10388715 DOI: 10.3389/fimmu.2023.1228581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 06/23/2023] [Indexed: 08/03/2023] Open
Abstract
Background PD-1/PD-L1 immune checkpoint inhibitors are currently the most commonly utilized agents in clinical practice, which elicit an immunostimulatory response to combat malignancies. However, all these inhibitors are currently administered via injection using antibody-based therapies, while there is a growing need for oral alternatives. Methods This study has developed and synthesized exosome-wrapped gold-peptide nanocomplexes with low immunogenicity, which can target PD-L1 and activate antitumor immunity in vivo through oral absorption. The SuperPDL1exo was characterized by transmission electron microscopy (TEM), dynamic light scattering (DLS), Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), and gel silver staining. The transmembrane ability of SuperPDL1exo was evaluated by flow cytometry and immunofluorescence. Cell viability was determined using the Cell Counting Kit-8 (CCK-8) assay. ELISA experiments were conducted to detect serum and tissue inflammatory factors, as well as serum biochemical indicators. Tissue sections were stained with H&E for the evaluation of the safety of SuperPDL1exo. An MC38 colon cancer model was established in immunocompetent C56BL/6 mice to evaluate the effects of SuperPDL1exo on tumor growth in vivo. Immunohistochemistry (IHC) staining was performed to detect cytotoxicity factors such as perforin and granzymes. Results First, SuperPDL1 was successfully synthesized, and milk exosome membranes were encapsulated through ultrasound, repeated freeze-thaw cycles, and extrusion, resulting in the synthesis of SuperPDL1exo. Multiple characterization results confirmed the successful synthesis of SuperPDL1exo nanoparticles. Furthermore, our data demonstrated that SuperPDL1exo exhibited excellent colloidal stability and superior cell transmembrane ability. In vitro and in vivo experiments revealed that SuperPDL1exo did not cause damage to multiple systemic organs, demonstrating its good biocompatibility. Finally, in the MC38 colon cancer mouse model, it was discovered that SuperPDL1exo could inhibit the progression of colon cancer, and this tumor-suppressive effect was mediated through the activation of tumor-specific cytotoxic T lymphocyte (CTL)-related immune responses. Conclusion This study has successfully designed and synthesized an oral nanotherapeutic, SuperPDL1exo, which demonstrates small particle size, excellent colloidal stability, transmembrane ability in tumor cells, and biocompatibility. In vivo experiments have shown that it effectively activates T-cell immunity and exerts antitumor effects.
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Affiliation(s)
- Dan Liu
- Department of General Surgery, First Affiliated Hospital of Xi’an Jiaotong University, Xian, China
- Department of Medical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Department of Talent Highland, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Jingmei Wang
- Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Weiming You
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Fang Ma
- National & Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Qi Sun
- Department of General Surgery, First Affiliated Hospital of Xi’an Jiaotong University, Xian, China
| | - Junjun She
- Department of General Surgery, First Affiliated Hospital of Xi’an Jiaotong University, Xian, China
| | - Wangxiao He
- Department of Medical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Department of Talent Highland, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Guang Yang
- Department of Oncology, Kunshan Hospital of Chinese Medicine, Affiliated Hospital of Yangzhou University, Yangzhou, China
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Liu D, Huang Y, Mao J, Jiang C, Zheng L, Wu Q, Cai H, Liu X, Dai J. A nanohybrid synthesized by polymeric assembling Au(I)-peptide precursor for anti-wrinkle function. Front Bioeng Biotechnol 2022; 10:1087363. [PMID: 36578506 PMCID: PMC9790933 DOI: 10.3389/fbioe.2022.1087363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022] Open
Abstract
A major sign of aging is wrinkles (dynamic lines and static lines) on the surface of the skin. In spite of Botulinum toxin's favorable therapeutic effect today, there have been several reports of its toxicity and side effects. Therefore, the development of an effective and safe wrinkle-fighting compound is imperative. An antioxidant-wrinkle effect was demonstrated by the peptide that we developed and synthesized, termed Skin Peptide. Aiming at the intrinsic defects of the peptide such as hydrolysis and poor membrane penetration, we developed a general approach to transform the Skin Peptide targeting intracellular protein-protein interaction into a bioavailable peptide-gold spherical nano-hybrid, Skin Pcluster. As expected, the results revealed that Skin Pcluster reduced the content of acetylcholine released by neurons in vitro, and then inhibit neuromuscular signal transmission. Additionally, human experiments demonstrated a significant de-wrinkle effect. Moreover, Skin Pcluster is characterized by a reliable safety profile. Consequently, anti-wrinkle peptides and Skin Pcluster nanohybrids demonstrated innovative anti-wrinkle treatments and have significant potential applications.
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Affiliation(s)
- Dan Liu
- Department of Talent Highland, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yinong Huang
- Shaanxi Institute of Pediatric Diseases, Xi’an Children’s Hospital, Xi’an, China,*Correspondence: Yinong Huang, ; Hong Cai, ; Xiaojing Liu, ; Jingyao Dai,
| | - Jian Mao
- Graduate School of China Medical University, Shenyang, China,Air Force Medical Center, Beijing, China
| | - Cheng Jiang
- Graduate School of China Medical University, Shenyang, China,Air Force Medical Center, Beijing, China
| | - Lei Zheng
- Graduate School of China Medical University, Shenyang, China,Air Force Medical Center, Beijing, China
| | - Qimei Wu
- Graduate School of China Medical University, Shenyang, China,Air Force Medical Center, Beijing, China
| | - Hong Cai
- Air Force Medical Center, Beijing, China,*Correspondence: Yinong Huang, ; Hong Cai, ; Xiaojing Liu, ; Jingyao Dai,
| | - Xiaojing Liu
- Department of Talent Highland, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China,*Correspondence: Yinong Huang, ; Hong Cai, ; Xiaojing Liu, ; Jingyao Dai,
| | - Jingyao Dai
- Air Force Medical Center, Beijing, China,Air Force Medical Center, Fourth Military Medical University, Xi’an, China,*Correspondence: Yinong Huang, ; Hong Cai, ; Xiaojing Liu, ; Jingyao Dai,
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Advances in the Application of Nanomaterials to the Treatment of Melanoma. Pharmaceutics 2022; 14:pharmaceutics14102090. [PMID: 36297527 PMCID: PMC9610396 DOI: 10.3390/pharmaceutics14102090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 11/22/2022] Open
Abstract
Melanoma can be divided into cutaneous melanoma, uveal melanoma, mucosal melanoma, etc. It is a very aggressive tumor that is prone to metastasis. Patients with metastatic melanoma have a poor prognosis and shorter survival. Although current melanoma treatments have been dramatically improved, there are still many problems such as systemic toxicity and the off-target effects of drugs. The use of nanoparticles may overcome some inadequacies of current melanoma treatments. In this review, we summarize the limitations of current therapies for cutaneous melanoma, uveal melanoma, and mucosal melanoma, as well as the adjunct role of nanoparticles in different treatment modalities. We suggest that nanomaterials may have an effective intervention in melanoma treatment in the future.
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Ren M, Zheng X, Gao H, Jiang A, Yao Y, He W. Nanomedicines Targeting Metabolism in the Tumor Microenvironment. Front Bioeng Biotechnol 2022; 10:943906. [PMID: 35992338 PMCID: PMC9388847 DOI: 10.3389/fbioe.2022.943906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 06/01/2022] [Indexed: 12/02/2022] Open
Abstract
Cancer cells reprogram their metabolism to meet their growing demand for bioenergy and biosynthesis. The metabolic profile of cancer cells usually includes dysregulation of main nutritional metabolic pathways and the production of metabolites, which leads to a tumor microenvironment (TME) having the characteristics of acidity, hypoxic, and/or nutrient depletion. Therapies targeting metabolism have become an active and revolutionary research topic for anti-cancer drug development. The differential metabolic vulnerabilities between tumor cells and other cells within TME provide nanotechnology a therapeutic window of anti-cancer. In this review, we present the metabolic characteristics of intrinsic cancer cells and TME and summarize representative strategies of nanoparticles in metabolism-regulating anti-cancer therapy. Then, we put forward the challenges and opportunities of using nanoparticles in this emerging field.
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Affiliation(s)
- Mengdi Ren
- Department of Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xiaoqiang Zheng
- Institute for Stem Cell and Regenerative Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Huan Gao
- Department of Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Aimin Jiang
- Department of Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yu Yao
- Department of Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Yu Yao, ; Wangxiao He,
| | - Wangxiao He
- Department of Talent Highland, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Yu Yao, ; Wangxiao He,
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D’haese S, Laeremans T, den Roover S, Allard SD, Vanham G, Aerts JL. Efficient Induction of Antigen-Specific CD8+ T-Cell Responses by Cationic Peptide-Based mRNA Nanoparticles. Pharmaceutics 2022; 14:pharmaceutics14071387. [PMID: 35890284 PMCID: PMC9321026 DOI: 10.3390/pharmaceutics14071387] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 06/24/2022] [Accepted: 06/28/2022] [Indexed: 11/16/2022] Open
Abstract
A major determinant for the success of mRNA-based vaccines is the composition of the nanoparticles (NPs) used for formulation and delivery. Cationic peptides represent interesting candidate carriers for mRNA, since they have been shown to efficiently deliver nucleic acids to eukaryotic cells. mRNA NPs based on arginine-rich peptides have previously been demonstrated to induce potent antigen-specific CD8+ T-cell responses. We therefore compared the histidine-rich amphipathic peptide LAH4-L1 (KKALLAHALHLLALLALHLAHALKKA) to the fully substituted arginine variant (LAH4-L1R) for their capacity to formulate mRNA and transfect dendritic cells (DCs). Although both peptides encapsulated mRNA to the same extent, and showed excellent uptake in DCs, the gene expression level was significantly higher for LAH4-L1. The LAH4-L1–mRNA NPs also resulted in enhanced antigen presentation in the context of MHC I compared to LAH4-L1R in primary murine CD103+ DCs. Both peptides induced DC maturation and inflammasome activation. Subsequent ex vivo stimulation of OT-I splenocytes with transfected CD103+ DCs resulted in a high proportion of polyfunctional CD8+ T cells for both peptides. In addition, in vivo immunization with LAH4-L1 or LAH4-L1R–mRNA NPs resulted in proliferation of antigen-specific T cells. In conclusion, although LAH4-L1 outperformed LAH4-L1R in terms of transfection efficiency, the immune stimulation ex vivo and in vivo was equally efficient.
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Affiliation(s)
- Sigrid D’haese
- Laboratory for Neuro-Aging and Viro-Immunotherapy (NAVI), Faculty of Pharmacy and Medicine, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (S.D.); (T.L.); (S.d.R.)
| | - Thessa Laeremans
- Laboratory for Neuro-Aging and Viro-Immunotherapy (NAVI), Faculty of Pharmacy and Medicine, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (S.D.); (T.L.); (S.d.R.)
| | - Sabine den Roover
- Laboratory for Neuro-Aging and Viro-Immunotherapy (NAVI), Faculty of Pharmacy and Medicine, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (S.D.); (T.L.); (S.d.R.)
| | - Sabine D. Allard
- Department of Internal Medicine (IRG), Vrije Universiteit Brussel, Universitair Ziekenhuis Brussel, 1090 Brussels, Belgium;
| | - Guido Vanham
- Department of Virology, Institute of Tropical Medicine, University of Antwerp, 2000 Antwerp, Belgium;
| | - Joeri L. Aerts
- Laboratory for Neuro-Aging and Viro-Immunotherapy (NAVI), Faculty of Pharmacy and Medicine, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (S.D.); (T.L.); (S.d.R.)
- Correspondence:
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Wang J, Yang W, He X, Zhang Z, Zheng X. Assembling p53 Activating Peptide With CeO2 Nanoparticle to Construct a Metallo-Organic Supermolecule Toward the Synergistic Ferroptosis of Tumor. Front Bioeng Biotechnol 2022; 10:929536. [PMID: 35837547 PMCID: PMC9273839 DOI: 10.3389/fbioe.2022.929536] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 05/17/2022] [Indexed: 11/22/2022] Open
Abstract
Inducing lipid peroxidation and subsequent ferroptosis in cancer cells provides a potential approach for anticancer therapy. However, the clinical translation of such therapeutic agents is often hampered by ferroptosis resistance and acquired drug tolerance in host cells. Emerging nanoplatform-based cascade engineering and ferroptosis sensitization by p53 provides a viable rescue strategy. Herein, a metallo-organic supramolecular (Nano-PMI@CeO2) toward p53 restoration and subsequent synergistic ferroptosis is constructed, in which the radical generating module-CeO2 nanoparticles act as the core, and p53-activator peptide (PMI)-gold precursor polymer is in situ reduced and assembled on the CeO2 surface as the shell. As expected, Nano-PMI@CeO2 effectively reactivated the p53 signaling pathway in vitro and in vivo, thereby downregulating its downstream gene GPX4. As a result, Nano-PMI@CeO2 significantly inhibited tumor progression in the lung cancer allograft model through p53 restoration and sensitized ferroptosis, while maintaining favorable biosafety. Collectively, this work develops a tumor therapeutic with dual functions of inducing ferroptosis and activating p53, demonstrating a potentially viable therapeutic paradigm for sensitizing ferroptosis via p53 activation. It also suggests that metallo-organic supramolecule holds great promise in transforming nanomedicine and treating human diseases.
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Affiliation(s)
- Jingmei Wang
- Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Wenguang Yang
- Department of Medical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Department of Talent Highland, The First Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, China
| | - Xinyuan He
- Department of Infectious Diseases, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Zhang Zhang
- General Surgery Department, Tang Du Hospital, The Fourth Military Medical University, Xi’an, China
- *Correspondence: Zhang Zhang, ; Xiaoqiang Zheng,
| | - Xiaoqiang Zheng
- Institute for Stem Cell & Regenerative Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Department of Medical Oncology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Zhang Zhang, ; Xiaoqiang Zheng,
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Turning a Targeting β-Catenin/Bcl9 Peptide Inhibitor into a GdOF@Au Core/Shell Nanoflower for Enhancing Immune Response to Cancer Therapy in Combination with Immune Checkpoint Inhibitors. Pharmaceutics 2022; 14:pharmaceutics14061306. [PMID: 35745877 PMCID: PMC9228893 DOI: 10.3390/pharmaceutics14061306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 06/10/2022] [Accepted: 06/15/2022] [Indexed: 01/25/2023] Open
Abstract
Combination administration is becoming a popular strategy in current cancer immunotherapy to enhance tumor response to ICIs. Recently, a peptide drug, a protein–protein interaction inhibitor (PPI), that disrupts the β-catenin/Bcl9 interaction in the tumoral Wnt/β-catenin pathway has become a promising candidate drug for immune enhancement and tumor growth inhibition. However, the peptide usually suffers from poor cell membrane permeability and proteolytic degradation, limiting its adequate accumulation in tumors and ultimately leading to side effects. Herein, a gadolinium–gold-based core/shell nanostructure drug delivery system was established, where Bcl9 was incorporated into a gadolinium–gold core–shell nanostructure and formed GdOFBAu via mercaptogenic self-assembly. After construction, GdOFBAu, when combined with anti-PD1 antibodies, could effectively inhibit tumor growth and enhance the response to immune therapy in MC38 tumor-bearing mice; it not only induced the apoptosis of cancer cells, but also promoted the tumor infiltration of Teff cells (CD8+) and decreased Treg cells (CD25+). More importantly, GdOFBAu maintained good biosafety and biocompatibility during treatment. Taken together, this study may offer a promising opportunity for sensitizing cancer immunotherapy via metal–peptide self-assembling nanostructured material with high effectiveness and safety.
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