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Wu RH, Xie WJ, Dai SZ, Chen MH, Tan GH, Huang FY. 3'-epi-12β-hydroxyfroside induces autophagic degradation of ABCG2 to overcome drug resistance in lung cancer cells. Biomed Pharmacother 2025; 187:118085. [PMID: 40273691 DOI: 10.1016/j.biopha.2025.118085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2025] [Revised: 04/18/2025] [Accepted: 04/21/2025] [Indexed: 04/26/2025] Open
Abstract
AIMS ABCG2 contributes to multidrug resistance by transporting chemicals across cell membranes. 3'-epi-12β-hydroxyfroside (HyFS) is known for its anticancer properties as an autophagy inducer. This study investigates whether HyFS can overcome drug resistance by promoting autophagy-mediated ABCG2 degradation. METHODS Two non-drug-resistant lung cancer cell lines, H460 and A549, along with their drug-resistant sublines, H460/MX20 and A549/MX10, were used as experimental models. Immunoblotting, immunofluorescence, and flow cytometry were used to assess the expression of ABCG2 and autophagy-related molecules. Flow cytometry was also used for quantitative analysis of ABCG2 efflux and cell death. Cell viability was assessed using the MTT assay. Additionally, murine models of H460/MX20 and A549/MX10 were established to evaluate the efficacy of various combination therapies and ABCG2 expression. RESULTS The efficacy of HyFS treatment depends on dosage and duration, which influence autophagy flux in treated cells. Inhibition of autophagy restores ABCG2 expression, causing intracellular accumulation of ABCG2 substrates and promoting their efflux. HyFS treatment sensitizes mitoxantrone-resistant H460/MX20 and A549/MX10 cells to mitoxantrone, enhancing mitoxantrone-induced reduction in cell viability and triggering cell apoptosis. Inhibiting autophagy mitigates these effects. In addition, HyFS treatment reduces mitoxantrone resistance mediated by ABCG2 and hinders tumor progression. Moreover, the combination of mitoxantrone with HyFS shows promising synergistic antitumor effects in both MX-sensitive and MX-resistant murine tumor models without inducing any obvious side effects. SIGNIFICANCE These findings highlight the potential of HyFS in overcoming drug resistance through autophagy-dependent degradation of ABCG2, suggesting its promise as a therapeutic approach against ABCG2-mediated drug resistance in lung cancer cells.
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Affiliation(s)
- Ri-Hong Wu
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China
| | - Wei-Jing Xie
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China
| | - Shu-Zhen Dai
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China
| | - Ming-Hui Chen
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China
| | - Guang-Hong Tan
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China.
| | - Feng-Ying Huang
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China.
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Chen MH, Jiang J, Chen H, Wu RH, Xie W, Dai SZ, Zheng WP, Tan GH, Huang FY. Reinforcing cancer immunotherapy with engineered porous hollow mycobacterium tuberculosis loaded with tumor neoantigens. J Immunother Cancer 2025; 13:e010150. [PMID: 39915006 PMCID: PMC11804190 DOI: 10.1136/jitc-2024-010150] [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: 07/20/2024] [Accepted: 01/20/2025] [Indexed: 02/09/2025] Open
Abstract
BACKGROUND Enhancing antigen cross-presentation is essential for the development of a tumor neoantigen vaccine. One approach is to stimulate antigen-presenting cells (APCs) to uptake neoantigens. Mycobacterium tuberculosis (MTb) contains pathogen-associated molecular patterns (PAMPs) recognized by APCs and adhesion molecules that facilitate MTb invasion of APCs. Therefore, we suggest using MTb as a carrier to enhance APC phagocytosis of neoantigens, thereby promoting antigen cross-presentation. METHODS The successful preparation of the MTb carrier (phMTb) was confirmed through electron and confocal microscopy. Fluorescence microscopy was used to detect PAMPs and adhesion molecules on phMTb as well as to observe its role in aiding dendritic cells (DCs) in antigen uptake into endosomes or lysosomes. Flow cytometry was used to assess the retention of PAMPs and adhesion molecules on phMTb, investigate antigen uptake by DCs, evaluate their activation and maturation status, examine the presentation of tumor neoantigens, and analyze immune cells in draining lymph nodes and tumor tissues. The efficacy of phMTb vaccine formulations in combination with anti-programmed cell death protein 1 (PD-1) antibody therapy was assessed using the MC38 mouse tumor models. Adverse effects were evaluated through H&E staining of major organs, assessment of reproductive capability and detection of biochemical indices. RESULTS The engineered porous hollow phMTb carrier successfully encapsulated model tumor neoantigens, with or without the adjuvant CpG. The phMTb retained PAMPs and adhesion molecules on its surface, similar to the parental MTb, thereby enhancing DC uptake of phMTb and its formulations containing tumor neoantigens and CpG. Vaccines formulated with phMTb facilitated DC maturation, activation, cross-presentation of tumor neoantigens, and promoted migration of phMTb-laden DCs to lymph nodes, enhancing effector and memory CD8+ T lymphocyte function. In murine tumor models, immunization with phMTb-formulated neoantigen vaccines elicited a robust tumor-specific cytotoxic T lymphocyte immune response with minimal adverse effects. Additionally, vaccination with phMTb-formulated neoantigen vaccines effectively reversed the tumor's immune-suppressive microenvironment. Concurrent administration of the PD-1 antibody with the phMTb-formulated neoantigen vaccine exhibited significant synergistic therapeutic effects. CONCLUSIONS The results of our study highlight the potential clinical translation of personalized tumor neoantigen vaccines using the phMTb carrier.
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Affiliation(s)
- Ming-Hui Chen
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, China
| | - Jie Jiang
- Public Research Center, Hainan Medical University, Haikou, Hainan, China
| | - Hengyu Chen
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China
| | - Ri-Hong Wu
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, China
| | - Weijing Xie
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, China
| | - Shu-Zhen Dai
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, China
| | - Wu-Ping Zheng
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China
| | - Guang-Hong Tan
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, China
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China
| | - Feng-Ying Huang
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan, China
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Dai SZ, Wu RH, Chen H, Chen MH, Xie W, Zheng WP, Tan GH, Huang FY. Progesterone suppresses rhinovirus-induced airway inflammation by inhibiting neutrophil infiltration and extracellular traps formation. Int Immunopharmacol 2025; 144:113714. [PMID: 39626540 DOI: 10.1016/j.intimp.2024.113714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2024] [Revised: 11/13/2024] [Accepted: 11/23/2024] [Indexed: 12/15/2024]
Abstract
BACKGROUND The process of NETosis is observed in a range of inflammatory conditions. Progesterone (P4) has been shown to alleviate inflammation caused by viral infections such as influenza and SARS-CoV-2. However, the precise molecular mechanisms responsible for this effect are not yet fully understood. Therefore, the present investigation aims to explore whether P4 can exert its anti-inflammatory properties by inhibiting NETosis and the related molecular pathways. METHODS Airway inflammation caused by rhinovirus serotype-1b (RV-1b) was induced in male BALB/c mice. The inflammation was assessed through histological examination and calculation of inflammatory cells present in the bronchoalveolar lavage fluid. Flow cytometry was used to analyze the inflammatory cells and NETotic neutrophils. Western blotting analysis was conducted to detect proteins associated with NETosis, inflammasome activation, and signaling. Furthermore, confocal microscopy was utilized to observe neutrophil extracellular trap (NET) structures in vivo tissues and in vitro neutrophils, neutrophil infiltration, and inflammasome formation. RESULTS The administration of P4 proved to be an effective treatment for reducing airway inflammation and the production of NETs caused by RV-1b infection. The infection triggered the activation of NLRP3 inflammasomes in neutrophils, which led to the maturation of IL-1β and subsequent activation of both the NF-κB and p38 signaling pathways. The activation of NF-κB signaling resulted in the secretion of downstream chemokines CCL3 and IL-6, which led to an increase in neutrophil infiltration into the lung airways. Moreover, the activation of p38 signaling led to the generation of reactive oxygen species, resulting in NETosis. However, the administration of P4 inhibited the activation of the NLRP3 inflammasome, which subsequently led to the deactivation of both the IL-1β-NF-κB and IL-1β-p38 axes. As a result, there was a reduction in neutrophil infiltration and NETosis. Furthermore, TGF-β-activated kinase 1 (TAK1) was identified as an intermediary enzyme. P4 inhibits both the NF-κB and IL-1β-p38 pathways by suppressing the activity of TAK1. CONCLUSION The capacity of P4 to mitigate rhinovirus-induced airway inflammation is attributed to its ability to impede the infiltration of neutrophils and NETosis. As inflammation mediated by NETosis is widespread in diverse disorders, our findings propose that P4 could potentially function as a universal therapeutic agent in the management of such ailments.
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Affiliation(s)
- Shu-Zhen Dai
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China; Hainan Academy of Medical Sciences, Hainan Medical University, Hainan 571199, China
| | - Ri-Hong Wu
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China
| | - Hengyu Chen
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China
| | - Ming-Hui Chen
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China
| | - Weijing Xie
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China
| | - Wu-Ping Zheng
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China
| | - Guang-Hong Tan
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China.
| | - Feng-Ying Huang
- NHC Key Laboratory of Control of Tropical Diseases, School of Tropical Medicine & The Second Affiliated Hospital, Hainan Medical University, Haikou, Hainan 571199, China.
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4
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Zhang J, Huang FY, Dai SZ, Wang L, Zhou X, Zheng ZY, Li Q, Tan GH, Wang CC. Toxicarioside H-mediated modulation of the immune microenvironment attenuates ovalbumin-induced allergic airway inflammation by inhibiting NETosis. Int Immunopharmacol 2024; 136:112329. [PMID: 38815351 DOI: 10.1016/j.intimp.2024.112329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 05/03/2024] [Accepted: 05/20/2024] [Indexed: 06/01/2024]
Abstract
PURPOSE Our team identified a new cardiac glycoside, Toxicarioside H (ToxH), in a tropical plant. Previous research has indicated the potential of cardenolides in mitigating inflammation, particularly in the context of NETosis. Therefore, this study sought to examine the potential of ToxH in attenuating allergic airway inflammation by influencing the immune microenvironment. METHODS An OVA-induced airway inflammation model was established in BALB/c mice. After the experiment was completed, serum, bronchoalveolar lavage fluid (BALF), and lung tissue samples were collected and further examined using H&E and PAS staining, flow cytometry, immunofluorescence observation, and Western blot analysis. RESULTS Treatment with ToxH was found to be effective in reducing airway inflammation and mucus production. This was accompanied by an increase in Th1 cytokines (IFN-γ, IL-2, and TNF-β), and the Th17 cytokine IL-17, while levels of Th2 cytokines (IL-4, IL-5, and IL-13) and Treg cytokines (IL-10 and TGF-β1) were decreased in both the bronchoalveolar lavage fluid (BALF) and the CD45+ immune cells in the lungs. Additionally, ToxH inhibited the infiltration of inflammatory cells and decreased the number of pulmonary CD44+ memory T cells, while augmenting the numbers of Th17 and Treg cells. Furthermore, the neutrophil elastase inhibitor GW311616A was observed to suppress airway inflammation and mucus production, as well as alter the secretion of immune Th1, Th2, Th17, and Treg cytokines in the lung CD45+ immune cells. Moreover, our study also demonstrated that treatment with ToxH efficiently inhibited ROS generation, thereby rectifying the dysregulation of immune cells in the immune microenvironment in OVA-induced allergic asthma. CONCLUSIONS Our findings indicate that ToxH could serve as a promising therapeutic intervention for allergic airway inflammation and various other inflammatory disorders. Modulating the balance of Th1/Th2 and Treg/Th17 cells within the pulmonary immune microenvironment may offer an effective strategy for controlling allergic airway inflammation.
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Affiliation(s)
- Jiaqi Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University & Hainan Province Clinical Medical Center of Respiratory Disease, Haikou 570102, China
| | - Feng-Ying Huang
- Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 571199, China
| | - Shu-Zhen Dai
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University & Hainan Province Clinical Medical Center of Respiratory Disease, Haikou 570102, China
| | - Lin Wang
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University & Hainan Province Clinical Medical Center of Respiratory Disease, Haikou 570102, China; Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 571199, China
| | - Xiangdong Zhou
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University & Hainan Province Clinical Medical Center of Respiratory Disease, Haikou 570102, China
| | - Zhen-You Zheng
- Department of Ophthalmology, The First Affiliated Hospital of Hainan Medical University, Haikou 570102, China
| | - Qi Li
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University & Hainan Province Clinical Medical Center of Respiratory Disease, Haikou 570102, China.
| | - Guang-Hong Tan
- Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 571199, China.
| | - Cai-Chun Wang
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University & Hainan Province Clinical Medical Center of Respiratory Disease, Haikou 570102, China.
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Wang L, Huang FY, Dai SZ, Fu Y, Zhou X, Wang CC, Tan GH, Li Q. Progesterone modulates the immune microenvironment to suppress ovalbumin-induced airway inflammation by inhibiting NETosis. Sci Rep 2024; 14:17241. [PMID: 39060348 PMCID: PMC11282239 DOI: 10.1038/s41598-024-66439-6] [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: 12/15/2023] [Accepted: 07/01/2024] [Indexed: 07/28/2024] Open
Abstract
Studies have demonstrated that prior to puberty, girls have a lower incidence and severity of asthma symptoms compared to boys. This study aimed to explore the role of progesterone (P4), a sex hormone, in reducing inflammation and altering the immune microenvironment in a mouse model of allergic asthma induced by OVA. Female BALB/c mice with or without ovariectomy to remove the influence of sex hormones were used for the investigations. Serum, bronchoalveolar lavage fluid (BALF), and lung tissue samples were collected for analysis. The results indicated that P4 treatment was effective in decreasing inflammation and mucus secretion in the lungs of OVA-induced allergic asthma mice. P4 treatment also reduced the influx of inflammatory cells into the BALF and increased the levels of Th1 and Th17 cytokines while decreasing the levels of Th2 and Treg cytokines in both BALF and lung microenvironment CD45+ T cells. Furthermore, P4 inhibited the infiltration of inflammatory cells into the lungs, suppressed NETosis, and reduced the number of pulmonary CD4+ T cells while increasing the number of regulatory T cells. The neutrophil elastase inhibitor GW311616A also suppressed airway inflammation and mucus production and modified the secretion of immune Th1, Th2, Th17, and Treg cytokines in lung CD45+ immune cells. These changes led to an alteration of the immunological milieu with increased Th1 and Th17 cells, accompanied by decreased Th2, Treg, and CD44+ T cells, similar to the effects of P4 treatment. Treatment with P4 inhibited NETosis by suppressing the p38 pathway activation, leading to reduced reactive oxygen species production. Moreover, P4 treatment hindered the release of double-stranded DNA during NETosis, thereby influencing the immune microenvironment in the lungs. These findings suggest that P4 treatment may be beneficial in reducing inflammation associated with allergic asthma by modulating the immune microenvironment. In conclusion, this research indicates the potential of P4 as a therapeutic agent for ameliorating inflammation in OVA-induced allergic asthma mice.
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Affiliation(s)
- Lin Wang
- Department of Respiratory Medicine, Hainan Province Clinical Medical Center of Respiratory Disease, The First Affiliated Hospital of Hainan Medical University, Haikou, 570102, China
| | - Feng-Ying Huang
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, The Second Affiliated Hospital, Hainan Medical University, Haikou, 571199, Hainan, China.
| | - Shu-Zhen Dai
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, The Second Affiliated Hospital, Hainan Medical University, Haikou, 571199, Hainan, China
| | - Yongshu Fu
- Department of Respiratory Medicine, Hainan Province Clinical Medical Center of Respiratory Disease, The First Affiliated Hospital of Hainan Medical University, Haikou, 570102, China
| | - Xiangdong Zhou
- Department of Respiratory Medicine, Hainan Province Clinical Medical Center of Respiratory Disease, The First Affiliated Hospital of Hainan Medical University, Haikou, 570102, China
| | - Cai-Chun Wang
- Department of Respiratory Medicine, Hainan Province Clinical Medical Center of Respiratory Disease, The First Affiliated Hospital of Hainan Medical University, Haikou, 570102, China.
| | - Guang-Hong Tan
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, The Second Affiliated Hospital, Hainan Medical University, Haikou, 571199, Hainan, China.
| | - Qi Li
- Department of Respiratory Medicine, Hainan Province Clinical Medical Center of Respiratory Disease, The First Affiliated Hospital of Hainan Medical University, Haikou, 570102, China.
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Lin Z, Zou S, Wen K. The crosstalk of CD8+ T cells and ferroptosis in cancer. Front Immunol 2024; 14:1255443. [PMID: 38288118 PMCID: PMC10822999 DOI: 10.3389/fimmu.2023.1255443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 12/28/2023] [Indexed: 01/31/2024] Open
Abstract
Ferroptosis is an iron-dependent, novel form of programmed cell death characterized by lipid peroxidation and glutathione depletion and is widespread in a variety of diseases. CD8+ T cells are the most important effector cells of cytotoxic T cells, capable of specifically recognizing and killing cancer cells. Traditionally, CD8+ T cells are thought to induce cancer cell death mainly through perforin and granzyme, and Fas-L/Fas binding. In recent years, CD8+ T cell-derived IFN-γ was found to promote cancer cell ferroptosis by multiple mechanisms, including upregulation of IRF1 and IRF8, and downregulation of the system XC-, while cancer cells ferroptosis was shown to enhance the anti-tumor effects of CD8+ T cell by heating the tumor immune microenvironment through the exposure and release of tumor-associated specific antigens, which results in a positive feedback pathway. Unfortunately, the intra-tumoral CD8+ T cells are more sensitive to ferroptosis than cancer cells, which limits the application of ferroptosis inducers in cancer. In addition, CD8+ T cells are susceptible to being regulated by other immune cell ferroptosis in the TME, such as tumor-associated macrophages, dendritic cells, Treg, and bone marrow-derived immunosuppressive cells. Together, these factors build a complex network of CD8+ T cells and ferroptosis in cancer. Therefore, we aim to integrate relevant studies to reveal the potential mechanisms of crosstalk between CD8+ T cells and ferroptosis, and to summarize preclinical models in cancer therapy to find new therapeutic strategies in this review.
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Affiliation(s)
- Zhengjun Lin
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
- The First People's Hospital of Zunyi, The Third Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Songzhu Zou
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Kunming Wen
- Department of General Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
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Chen Z, Yong T, Wei Z, Zhang X, Li X, Qin J, Li J, Hu J, Yang X, Gan L. Engineered Probiotic-Based Personalized Cancer Vaccine Potentiates Antitumor Immunity through Initiating Trained Immunity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305081. [PMID: 38009498 PMCID: PMC10797439 DOI: 10.1002/advs.202305081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/23/2023] [Indexed: 11/29/2023]
Abstract
Cancer vaccines hold great potential for clinical cancer treatment by eliciting T cell-mediated immunity. However, the limited numbers of antigen-presenting cells (APCs) at the injection sites, the insufficient tumor antigen phagocytosis by APCs, and the presence of a strong tumor immunosuppressive microenvironment severely compromise the efficacy of cancer vaccines. Trained innate immunity may promote tumor antigen-specific adaptive immunity. Here, a personalized cancer vaccine is developed by engineering the inactivated probiotic Escherichia coli Nissle 1917 to load tumor antigens and β-glucan, a trained immunity inducer. After subcutaneous injection, the cancer vaccine delivering model antigen OVA (BG/OVA@EcN) is highly accumulated and phagocytosed by macrophages at the injection sites to induce trained immunity. The trained macrophages may recruit dendritic cells (DCs) to facilitate BG/OVA@EcN phagocytosis and the subsequent DC maturation and T cell activation. In addition, BG/OVA@EcN remarkably enhances the circulating trained monocytes/macrophages, promoting differentiation into M1-like macrophages in tumor tissues. BG/OVA@EcN generates strong prophylactic and therapeutic efficacy to inhibit tumor growth by inducing potent adaptive antitumor immunity and long-term immune memory. Importantly, the cancer vaccine delivering autologous tumor antigens efficiently prevents postoperative tumor recurrence. This platform offers a facile translatable strategy to efficiently integrate trained immunity and adaptive immunity for personalized cancer immunotherapy.
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Affiliation(s)
- Zhaoxia Chen
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Tuying Yong
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Key Laboratory of Molecular Biophysics of the Ministry of EducationCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia MedicaHuazhong University of Science and TechnologyWuhan430074China
| | - Zhaohan Wei
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Xiaoqiong Zhang
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Xin Li
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Jiaqi Qin
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Jianye Li
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
| | - Jun Hu
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Key Laboratory of Molecular Biophysics of the Ministry of EducationCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia MedicaHuazhong University of Science and TechnologyWuhan430074China
| | - Xiangliang Yang
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Key Laboratory of Molecular Biophysics of the Ministry of EducationCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia MedicaHuazhong University of Science and TechnologyWuhan430074China
| | - Lu Gan
- National Engineering Research Center for NanomedicineCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Key Laboratory of Molecular Biophysics of the Ministry of EducationCollege of Life Science and TechnologyHuazhong University of Science and TechnologyWuhan430074China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia MedicaHuazhong University of Science and TechnologyWuhan430074China
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8
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Lei M, Zhang YL, Huang FY, Chen HY, Chen MH, Wu RH, Dai SZ, He GS, Tan GH, Zheng WP. Gankyrin inhibits ferroptosis through the p53/SLC7A11/GPX4 axis in triple-negative breast cancer cells. Sci Rep 2023; 13:21916. [PMID: 38081931 PMCID: PMC10713534 DOI: 10.1038/s41598-023-49136-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 12/04/2023] [Indexed: 12/18/2023] Open
Abstract
Gankyrin is found in high levels in triple-negative breast cancer (TNBC) and has been established to form a complex with the E3 ubiquitin ligase MDM2 and p53, resulting in the degradation of p53 in hepatocarcinoma cells. Therefore, this study sought to determine whether gankyrin could inhibit ferroptosis through this mechanism in TNBC cells. The expression of gankyrin was investigated in relation to the prognosis of TNBC using bioinformatics. Co-immunoprecipitation and GST pull-down assays were then conducted to determine the presence of a gankyrin and MDM2 complex. RT-qPCR and immunoblotting were used to examine molecules related to ferroptosis, such as gankyrin, p53, MDM2, SLC7A11, and GPX4. Additionally, cell death was evaluated using flow cytometry detection of 7-AAD and a lactate dehydrogenase release assay, as well as lipid peroxide C11-BODIPY. Results showed that the expression of gankyrin is significantly higher in TNBC tissues and cell lines, and is associated with a poor prognosis for patients. Subsequent studies revealed that inhibiting gankyrin activity triggered ferroptosis in TNBC cells. Additionally, silencing gankyrin caused an increase in the expression of the p53 protein, without altering its mRNA expression. Co-immunoprecipitation and GST pull-down experiments indicated that gankyrin and MDM2 form a complex. In mouse embryonic fibroblasts lacking both MDM2 and p53, this gankyrin/MDM2 complex was observed to ubiquitinate p53, thus raising the expression of molecules inhibited by ferroptosis, such as SLC7A11 and GPX4. Furthermore, silencing gankyrin in TNBC cells disrupted the formation of the gankyrin/MDM2 complex, hindered the degradation of p53, increased SLC7A11 expression, impeded cysteine uptake, and decreased GPX4 production. Our findings suggest that TNBC cells are able to prevent cell ferroptosis through the gankyrin/p53/SLC7A11/GPX4 signaling pathway, indicating that gankyrin may be a useful biomarker for predicting TNBC prognosis or a potential therapeutic target.
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Affiliation(s)
- Ming Lei
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou, 571199, China
| | - Yun-Long Zhang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou, 571199, China
| | - Feng-Ying Huang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou, 571199, China
| | - Heng-Yu Chen
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China
| | - Ming-Hui Chen
- Key Laboratory of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou, 571199, China
| | - Ri-Hong Wu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou, 571199, China
| | - Shu-Zhen Dai
- Key Laboratory of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou, 571199, China
| | - Gui-Sheng He
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China.
| | - Guang-Hong Tan
- Key Laboratory of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou, 571199, China.
| | - Wu-Ping Zheng
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China.
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Liu X, Zhuang Y, Huang W, Wu Z, Chen Y, Shan Q, Zhang Y, Wu Z, Ding X, Qiu Z, Cui W, Wang Z. Interventional hydrogel microsphere vaccine as an immune amplifier for activated antitumour immunity after ablation therapy. Nat Commun 2023; 14:4106. [PMID: 37433774 PMCID: PMC10336067 DOI: 10.1038/s41467-023-39759-w] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/28/2023] [Indexed: 07/13/2023] Open
Abstract
The response rate of pancreatic cancer to chemotherapy or immunotherapy pancreatic cancer is low. Although minimally invasive irreversible electroporation (IRE) ablation is a promising option for irresectable pancreatic cancers, the immunosuppressive tumour microenvironment that characterizes this tumour type enables tumour recurrence. Thus, strengthening endogenous adaptive antitumour immunity is critical for improving the outcome of ablation therapy and post-ablation immune therapy. Here we present a hydrogel microsphere vaccine that amplifies post-ablation anti-cancer immune response via releasing its cargo of FLT3L and CD40L at the relatively lower pH of the tumour bed. The vaccine facilitates migration of the tumour-resident type 1 conventional dendritic cells (cDC1) to the tumour-draining lymph nodes (TdLN), thus initiating the cDC1-mediated antigen cross-presentation cascade, resulting in enhanced endogenous CD8+ T cell response. We show in an orthotopic pancreatic cancer model in male mice that the hydrogel microsphere vaccine transforms the immunologically cold tumour microenvironment into hot in a safe and efficient manner, thus significantly increasing survival and inhibiting the growth of distant metastases.
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Affiliation(s)
- Xiaoyu Liu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Yaping Zhuang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Wei Huang
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Zhuozhuo Wu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Yingjie Chen
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Qungang Shan
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Yuefang Zhang
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, No.320 Yueyang Road, 200032, Shanghai, P. R. China
| | - Zhiyuan Wu
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Xiaoyi Ding
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China
| | - Zilong Qiu
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, No.320 Yueyang Road, 200032, Shanghai, P. R. China
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, 200025, Shanghai, P. R. China.
| | - Zhongmin Wang
- Department of Radiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No.197, Ruijin 2nd Road, 200025, Shanghai, P. R. China.
- Department of Radiology, Ruijin Hospital Luwan Branch, Shanghai Jiao Tong University School of Medicine, No.149, South Chongqing Road, 200025, Shanghai, P. R. China.
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10
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Huang FY, Dai SZ, Xu WT, Xiong W, Sun Y, Huang YH, Wang JY, Lin YY, Chen H, Tan GH, Zheng WP. 3'-epi-12β-hydroxyfroside-mediated autophagy degradation of RIPK1/RIPK3 necrosomes leads to anergy of immunogenic cell death in triple-negative breast cancer cells. Pharmacol Res 2023; 187:106613. [PMID: 36535569 DOI: 10.1016/j.phrs.2022.106613] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/04/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Increasing studies have suggested that some cardiac glycosides, such as conventional digoxin (DIG) and digitoxin, can induce immunogenic cell death (ICD) in various tumors. We previously found that 3'-epi-12β-hydroxyfroside (HyFS), a novel cardenolide compound isolated by our group, could induce cytoprotective autophagy through inactivation of the Akt/mTOR pathway. However, whether HyFS can induce ICD remains unknown. In this study, we extend our work to further investigate whether HyFS could induce both autophagy and ICD, and we investigated the relationship between autophagy and ICD in three TNBC cell lines. Unexpectedly, compared to DIG, we found that HyFS could induce complete autophagy flux but not ICD in three human triple-negative breast cancer (TNBC) cell lines and one murine TNBC model. Inhibition of HyFS-induced autophagy resulted in the production of ICD in TNBC MDA-MB-231, MDA-MB-436, and HCC38 cells. A further mechanism study showed that formation of RIPK1/RIPK3 necrosomes was necessary for ICD induction in DIG-treated TNBC cells, while HyFS treatment led to receptor-interacting serine-threonine kinase (RIPK)1/3 necrosome degradation via an autophagy process. Additionally, inhibition of HyFS-induced autophagy by the autophagy inhibitor chloroquine resulted in the reoccurrence of ICD and reversion of the tumor microenvironment, leading to more significant antitumor effects in immunocompetent mice than in immunodeficient mice. These findings indicate that HyFS-mediated autophagic degradation of RIPK1/RIPK3 necrosomes leads to inactivation of ICD in TNBC cells. Moreover, combined treatment with HyFS and an autophagy inhibitor may enhance the antitumor activities, suggesting an alternative therapeutic for TNBC treatment.
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Affiliation(s)
- Feng-Ying Huang
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Shu-Zhen Dai
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Wen-Tian Xu
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Wei Xiong
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Yan Sun
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Yong-Hao Huang
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Jin-Yan Wang
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Ying-Ying Lin
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China
| | - Hengyu Chen
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China.
| | - Guang-Hong Tan
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China.
| | - Wu-Ping Zheng
- Department of Breast and Thyroid Surgery, The Second Affiliated Hospital of Hainan Medical University and Key Laborato1y of Tropical Translational Medicine of Ministry of Education & School of Tropical Medicine, Hainan Medical University, Haikou 570311, China.
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11
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The Species of Gut Bacteria Associated with Antitumor Immunity in Cancer Therapy. Cells 2022; 11:cells11223684. [PMID: 36429112 PMCID: PMC9688644 DOI: 10.3390/cells11223684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/30/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Both preclinical and clinical studies have demonstrated that the modulation of gut microbiota could be a promising strategy for enhancing antitumor immune responses and reducing resistance to immunotherapy in cancer. Various mechanisms, including activation of pattern recognition receptors, gut commensals-produced metabolites and antigen mimicry, have been revealed. Different gut microbiota modulation strategies have been raised, such as fecal microbiota transplantation, probiotics, and dietary selection. However, the identification of gut bacteria species that are either favorable or unfavorable for cancer therapy remains a major challenge. Herein, we summarized the findings related to gut microbiota species observed in the modulation of antitumor immunity. We also discussed the different mechanisms underlying different gut bacteria's functions and the potential applications of these bacteria to cancer immunotherapy in the future.
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12
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Wang D, Cui Q, Yang YJ, Liu AQ, Zhang G, Yu JC. Application of dendritic cells in tumor immunotherapy and progress in the mechanism of anti-tumor effect of Astragalus polysaccharide (APS) modulating dendritic cells: a review. Biomed Pharmacother 2022; 155:113541. [PMID: 36127221 DOI: 10.1016/j.biopha.2022.113541] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 11/30/2022] Open
Abstract
Dendritic cells (DCs) are potent antigen-presenting cells (APCs) that are essential in mediating the body's natural and adaptive immune responses. The body can regulate the function of DCs in various ways to enhance their antitumor effects. In the tumour microenvironment (TME), antigen-specific T cell responses are initiated through DC processing and delivery of tumour-associated antigens (TAAs); conversely, tumour cells inhibit DC recruitment by releasing metabolites, cytokines and other regulatory TME and function. Different subpopulations of DCs exist in tumour tissues, and their functions vary. Insight into DC subgroups in TME allows assessment of the effectiveness of tumour immunotherapy. Astragalus polysaccharide (APS) is the main component of the Chinese herb Astragalus membranaceus. The study found that the antitumor effects of APS are closely related to DCs. APS can promote the expression of surface molecules CD80 and CD86, promote the maturation of DCs, and activate CTL to exert antitumor effects. We reviewed the application of DCs in tumor immunotherapy and the mechanism of modulation of DCs by Astragalus polysaccharide to provide new directions and strategies for tumor therapy and new drug development.
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Affiliation(s)
- Dong Wang
- Department of Oncology, First Teaching Hospital, Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China; Graduate School of Tianjin University of traditional Chinese Medicine, Tianjin, China
| | - Qian Cui
- Department of Oncology, First Teaching Hospital, Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China; Graduate School of Tianjin University of traditional Chinese Medicine, Tianjin, China
| | - Yan Jie Yang
- Department of Oncology, First Teaching Hospital, Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China; Graduate School of Tianjin University of traditional Chinese Medicine, Tianjin, China
| | - A Qing Liu
- Department of Oncology, First Teaching Hospital, Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China; Graduate School of Tianjin University of traditional Chinese Medicine, Tianjin, China
| | - Guan Zhang
- Department of Oncology, First Teaching Hospital, Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China; Graduate School of Tianjin University of traditional Chinese Medicine, Tianjin, China
| | - Jian Chun Yu
- Department of Oncology, First Teaching Hospital, Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China.
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