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Lan Z, Liu WJ, Yin WW, Yang SR, Cui H, Zou KL, Cheng GW, Chen H, Han YH, Rao L, Tian R, Li LL, Zhao YY, Yu GT. Biomimetic MDSCs membrane coated black phosphorus nanosheets system for photothermal therapy/photodynamic therapy synergized chemotherapy of cancer. J Nanobiotechnology 2024; 22:174. [PMID: 38609922 PMCID: PMC11015563 DOI: 10.1186/s12951-024-02417-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/18/2024] [Indexed: 04/14/2024] Open
Abstract
Photothermal therapy is favored by cancer researchers due to its advantages such as controllable initiation, direct killing and immune promotion. However, the low enrichment efficiency of photosensitizer in tumor site and the limited effect of single use limits the further development of photothermal therapy. Herein, a photo-responsive multifunctional nanosystem was designed for cancer therapy, in which myeloid-derived suppressor cell (MDSC) membrane vesicle encapsulated decitabine-loaded black phosphorous (BP) nanosheets (BP@ Decitabine @MDSCs, named BDM). The BDM demonstrated excellent biosafety and biochemical characteristics, providing a suitable microenvironment for cancer cell killing. First, the BDM achieves the ability to be highly enriched at tumor sites by inheriting the ability of MDSCs to actively target tumor microenvironment. And then, BP nanosheets achieves hyperthermia and induces mitochondrial damage by its photothermal and photodynamic properties, which enhancing anti-tumor immunity mediated by immunogenic cell death (ICD). Meanwhile, intra-tumoral release of decitabine induced G2/M cell cycle arrest, further promoting tumor cell apoptosis. In vivo, the BMD showed significant inhibition of tumor growth with down-regulation of PCNA expression and increased expression of high mobility group B1 (HMGB1), calreticulin (CRT) and caspase 3. Flow cytometry revealed significantly decreased infiltration of MDSCs and M2-macrophages along with an increased proportion of CD4+, CD8+ T cells as well as CD103+ DCs, suggesting a potentiated anti-tumor immune response. In summary, BDM realizes photothermal therapy/photodynamic therapy synergized chemotherapy for cancer.
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Affiliation(s)
- Zhou Lan
- Stomatological Hospital, School of Stomatology, Southern Medical University, No 366, Jiangnan Road, Haizhu Region, Guangzhou City, China
| | - Wei-Jia Liu
- Department of Oral Mucosal Diseases, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510182, China
| | - Wu-Wei Yin
- Stomatological Hospital, School of Stomatology, Southern Medical University, No 366, Jiangnan Road, Haizhu Region, Guangzhou City, China
| | - Sheng-Ren Yang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Hao Cui
- Stomatological Hospital, School of Stomatology, Southern Medical University, No 366, Jiangnan Road, Haizhu Region, Guangzhou City, China
| | - Ke-Long Zou
- Stomatological Hospital, School of Stomatology, Southern Medical University, No 366, Jiangnan Road, Haizhu Region, Guangzhou City, China
| | - Guo-Wang Cheng
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Hao Chen
- Stomatological Hospital, School of Stomatology, Southern Medical University, No 366, Jiangnan Road, Haizhu Region, Guangzhou City, China
| | - Yan-Hua Han
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Lang Rao
- Institute of Biomedical Health Technology and Engineering, Shenzhen Bay Laboratory, Shenzhen, 518132, China
| | - Rui Tian
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Ling-Ling Li
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, No 101, Longmian Road, Jiangning Region, Nanjing, 211166, China.
| | - Yu-Yue Zhao
- Stomatological Hospital, School of Stomatology, Southern Medical University, No 366, Jiangnan Road, Haizhu Region, Guangzhou City, China.
| | - Guang-Tao Yu
- Stomatological Hospital, School of Stomatology, Southern Medical University, No 366, Jiangnan Road, Haizhu Region, Guangzhou City, China.
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Chen H, Cui H, Liu W, Li BW, Tian Z, Zhao YY, Yu GT. Manganese drives ferroptosis of cancer cells via YAP/TAZ phase separation activated ACSL4 in OSCC. Oral Dis 2024. [PMID: 38462885 DOI: 10.1111/odi.14925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/02/2024] [Accepted: 02/27/2024] [Indexed: 03/12/2024]
Abstract
OBJECTIVE Ferroptosis has been defined as a novel form of regulated cell death characterized by iron-dependent lipid peroxidation. Manganese has been used to induce ferroptosis in cancer cells recently. This study aims to investigate whether manganese can induce ferroptosis in oral squamous cell carcinoma (OSCC) and the underlying biological mechanisms. MATERIALS AND METHODS Cancer cells with or without manganese treatment were analyzed by RNA-sequencing to identify ferroptosis-related genes. Next, the activation of YAP/TAZ/ACSL4-ferroptosis signaling pathway was detected. Bioinformatic analysis and immunofluorescence assay were used to explore the phase separation of YAP/TAZ. Finally, specimens of OSCC patients were applied to analyze the clinical significance of YAP/TAZ/ACSL4. RESULTS RNA-sequencing analysis showed the ferroptosis-related genes and YAP/TAZ were upregulated after manganese treatment. The results of immunofluorescence, ELISA, western blotting, etc. further confirmed that manganese-induced ferroptosis depends on YAP/TAZ/ACSL4 signaling pathway. Moreover, the activation of ACSL4 was achieved by YAP/TAZ phase separation. The survival analysis in OSCC specimen suggested that the higher level of YAP/TAZ-ACSL4 axis expression indicates longer survival. CONCLUSIONS Manganese induces YAP/TAZ phase separation and subsequent ACSL4 activation via YAP/TAZ nuclear translocation, which facilitates ferroptosis of OSCC. Then YAP/TAZ-ACSL4 axis can be used as a potential prognostic predictor of OSCC patients.
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Affiliation(s)
- Hao Chen
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Hao Cui
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Wei Liu
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Bo-Wen Li
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Zhen Tian
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Yu-Yue Zhao
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Guang-Tao Yu
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
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Zou KL, Lan Z, Cui H, Zhao YY, Wang WM, Yu GT. CD24 blockade promotes anti-tumor immunity in oral squamous cell carcinoma. Oral Dis 2024; 30:163-171. [PMID: 36056698 DOI: 10.1111/odi.14367] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/24/2022] [Accepted: 08/29/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Our study elucidates the prognostic role of cluster of differentiation (CD) 24 expression in oral squamous cell carcinoma (OSCC) and determines whether targeting CD24 enhances the anti-tumor immune response by inhibiting tumor-associated macrophages (TAMs). MATERIALS AND METHODS The expression of CD24 and CD68 was analyzed immunohistochemically via tissue microarrays constructed using 56 cohorts of patients with OSCC and 20 control specimens. Further, CD24 was inhibited in an allograft squamous cell carcinoma (SCC) related mouse model with CD24mAb to determine the tumor volume and weight. Changes in immune cells such as TAMs and T cells in the tumor microenvironment (TME) were analyzed by Flow cytometry. The expression of CD4, CD8, and Ki67 was analyzed via immunohistochemistry. The inhibition of CD24 was confirmed by Western blot and immunohistochemistry. RESULTS CD24 was overexpressed in OSCC. High expression of CD24 indicated poor survival in patients with OSCC (p = 0.0334). CD24 expression was significantly correlated with CD68 (p = 0.0424). The inhibition of CD24 delayed tumor growth in vivo. A decrease in TAMs number and an increase in T cell number were confirmed, while the ability of tumor proliferation was impaired. CONCLUSION Targeting CD24 could enhance anti-tumor immune response by inhibiting TAMs.
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Affiliation(s)
- Ke-Long Zou
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Zhou Lan
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Hao Cui
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Yu-Yue Zhao
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Wei-Ming Wang
- Department of Oral and Maxillofacial Surgery, Xiangya Hospital of Central South University, Changsha, China
| | - Guang-Tao Yu
- Stomatological Hospital, Southern Medical University, Guangzhou, China
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Lan Z, Zou KL, Cui H, Zhao YY, Yu GT. Porphyromonas gingivalis suppresses oral squamous cell carcinoma progression by inhibiting MUC1 expression and remodeling the tumor microenvironment. Mol Oncol 2023. [PMID: 37666495 DOI: 10.1002/1878-0261.13517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/07/2023] [Accepted: 09/01/2023] [Indexed: 09/06/2023] Open
Abstract
Bacteria are the causative agents of various infectious diseases; however, the anti-tumor effect of some bacterial species has attracted the attention of many scientists. The human oral cavity is inhabited by abundant and diverse bacterial communities and some of these bacterial communities could play a role in tumor suppression. Therefore, it is crucial to find oral bacterial species that show anti-tumor activity on oral cancers. In the present study, we found that a high abundance of Porphyromonas gingivalis, an anaerobic periodontal pathogen, in the tumor microenvironment (TME) was positively associated with the longer survival of patients with oral squamous cell carcinoma (OSCC). An in vitro assay confirmed that P. gingivalis accelerated the death of OSCC cells by inducing cell cycle arrest at the G2/M phase, thus exerting its anti-tumor effect. We also found that P. gingivalis significantly decreased tumor growth in a 4-nitroquinoline-1-oxide-induced in situ OSCC mouse model. The transcriptomics data demonstrated that P. gingivalis suppressed the biosynthesis of mucin O-glycan and other O-glycans, as well as the expression of chemokines. Validation experiments further confirmed the downregulation of mucin-1 (MUC1) and C-X-C motif chemokine 17 (CXCL17) expression by P. gingivalis treatment. Flow cytometry analysis showed that P. gingivalis successfully reversed the immunosuppressive TME, thereby suppressing OSCC growth. In summary, the findings of the present study indicated that the rational use of P. gingivalis could serve as a promising therapeutic strategy for OSCC.
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Affiliation(s)
- Zhou Lan
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Ke-Long Zou
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Hao Cui
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Yu-Yue Zhao
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
| | - Guang-Tao Yu
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, China
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Zhao YY, Lian JX, Lan Z, Zou KL, Wang WM, Yu GT. Ferroptosis promotes anti-tumor immune response by inducing immunogenic exposure in HNSCC. Oral Dis 2023; 29:933-941. [PMID: 34773344 DOI: 10.1111/odi.14077] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 11/03/2021] [Accepted: 11/07/2021] [Indexed: 01/04/2023]
Abstract
Accumulated evidence indicates that immune cell populations play pivotal roles in the process of tumor initiation, progression, recurrence, metastasis, and immune escape. Ferroptosis is a form of regulating cell death in the nexus between metabolism, redox biology, and human health. Ferroptosis is considered as a vital important event in HNSCC, but the underling mechanism of regulating immune cell populations remains poorly understood. Our tissue microarray study showed that patients with high expression of GPX4 were related to poor survival. Moreover, the expression of GPX4 has been negatively associated with immunogenic cell death-related protein calreticulin in HNSCC tissue cohort. Further, RSL3 was used to induce ferroptosis in HNSCC xenograft of C3H/He mouse. We found that the occurrence of ferroptosis had significantly reduced the number of myeloid-derived suppressor cells (MDSCs) and tumor-associated M2-like macrophages (M2 TAMs) in tumor microenvironment. Meanwhile, the tumor-infiltrating CD4+ and CD8+ T cells were increased. And the calreticulin and HMGB1 may be potential candidate proteins improving the immunosuppressive tumor microenvironment. Taken together, our project suggests that ferroptosis can promote anti-tumor immune response by reversing immunosuppressive microenvironment, indicating that ferroptosis inducer is a promising therapeutic strategy in HNSCC.
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Affiliation(s)
- Yu-Yue Zhao
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Jun-Xiang Lian
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Zhou Lan
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Ke-Long Zou
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Wei-Ming Wang
- Department of Oral and Maxillofacial Surgery, Xiangya Hospital of Central South University, Changsha, China
| | - Guang-Tao Yu
- Stomatological Hospital, Southern Medical University, Guangzhou, China
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