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Chen M, Xia L, Wu C, Wang Z, Ding L, Xie Y, Feng W, Chen Y. Microbe-material hybrids for therapeutic applications. Chem Soc Rev 2024. [PMID: 39005165 DOI: 10.1039/d3cs00655g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
As natural living substances, microorganisms have emerged as useful resources in medicine for creating microbe-material hybrids ranging from nano to macro dimensions. The engineering of microbe-involved nanomedicine capitalizes on the distinctive physiological attributes of microbes, particularly their intrinsic "living" properties such as hypoxia tendency and oxygen production capabilities. Exploiting these remarkable characteristics in combination with other functional materials or molecules enables synergistic enhancements that hold tremendous promise for improved drug delivery, site-specific therapy, and enhanced monitoring of treatment outcomes, presenting substantial opportunities for amplifying the efficacy of disease treatments. This comprehensive review outlines the microorganisms and microbial derivatives used in biomedicine and their specific advantages for therapeutic application. In addition, we delineate the fundamental strategies and mechanisms employed for constructing microbe-material hybrids. The diverse biomedical applications of the constructed microbe-material hybrids, encompassing bioimaging, anti-tumor, anti-bacteria, anti-inflammation and other diseases therapy are exhaustively illustrated. We also discuss the current challenges and prospects associated with the clinical translation of microbe-material hybrid platforms. Therefore, the unique versatility and potential exhibited by microbe-material hybrids position them as promising candidates for the development of next-generation nanomedicine and biomaterials with unique theranostic properties and functionalities.
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Affiliation(s)
- Meng Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
- School of Medicine, Shanghai University, Shanghai 200444, P. R. China.
| | - Lili Xia
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Chenyao Wu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Zeyu Wang
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Li Ding
- Department of Medical Ultrasound, National Clinical Research Center of Interventional Medicine, Shanghai Tenth People's Hospital, Tongji University Cancer Center, Tongji University School of Medicine, Tongji University, Shanghai, 200072, P. R. China.
| | - Yujie Xie
- School of Medicine, Shanghai University, Shanghai 200444, P. R. China.
| | - Wei Feng
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Yu Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
- Shanghai Institute of Materdicine, Shanghai 200051, P. R. China
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Danielson M, Nicolai CJ, Vo TT, Wolf N, Burke TP. Cytosolic bacterial pathogens activate TLR pathways in tumors that synergistically enhance STING agonist cancer therapies. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.30.578087. [PMID: 38352567 PMCID: PMC10862861 DOI: 10.1101/2024.01.30.578087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Bacterial pathogens that invade the eukaryotic cytosol are distinctive tools for fighting cancer, as they preferentially target tumors and can deliver cancer antigens to MHC-I. Cytosolic bacterial pathogens have undergone extensive preclinical development and human clinical trials, yet the molecular mechanisms by which they are detected by innate immunity in tumors is unclear. We report that intratumoral delivery of phylogenetically distinct cytosolic pathogens, including Listeria, Rickettsia, and Burkholderia species, elicited anti-tumor responses in established, poorly immunogenic melanoma and lymphoma in mice. We were surprised to observe that although the bacteria required entry to the cytosol, the anti-tumor responses were largely independent of the cytosolic sensors cGAS/STING and instead required TLR signaling. Combining pathogens with TLR agonists did not enhance anti-tumor efficacy, while combinations with STING agonists elicited profound, synergistic anti-tumor effects with complete responses in >80% of mice after a single dose. Small molecule TLR agonists also synergistically enhanced the anti-tumor activity of STING agonists. The anti-tumor effects were diminished in Rag2-deficient mice and upon CD8 T cell depletion. Mice cured from combination therapy developed immunity to cancer rechallenge that was superior to STING agonist monotherapy. Together, these data provide a framework for enhancing the efficacy of microbial cancer therapies and small molecule innate immune agonists, via the co-activation of STING and TLRs.
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Affiliation(s)
- Meggie Danielson
- Microbiology and Molecular Genetics, University of California, Irvine, Irvine, CA USA
| | - Chris J Nicolai
- Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA USA
| | - Thaomy T Vo
- Microbiology and Molecular Genetics, University of California, Irvine, Irvine, CA USA
| | - Natalie Wolf
- Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA USA
| | - Thomas P Burke
- Microbiology and Molecular Genetics, University of California, Irvine, Irvine, CA USA
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Yu Z, Zhao Y, Ding K, He L, Liao C, Li J, Chen S, Shang K, Chen J, Yu C, Zhang C, Li Y, Wang S, Jia Y. Chloroquine Inhibition of Autophagy Enhanced the Anticancer Effects of Listeria monocytogenes in Melanoma. Microorganisms 2023; 11:microorganisms11020408. [PMID: 36838373 PMCID: PMC9958952 DOI: 10.3390/microorganisms11020408] [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: 12/22/2022] [Revised: 01/18/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Listeria monocytogenes has been shown to exhibit antitumor effects. However, the mechanism remains unclear. Autophagy is a cellular catabolic process that mediates the degradation of unfolded proteins and damaged organelles in the cytosol, which is a double-edged sword in tumorigenesis and treatment outcome. Tumor cells display lower levels of basal autophagic activity than normal cells. This study examined the role and molecular mechanism of autophagy in the antitumor effects induced by LM, as well as the combined antitumor effect of LM and the autophagy inhibitor chloroquine (CQ). We investigated LM-induced autophagy in B16F10 melanoma cells by real-time PCR, immunofluorescence, Western blotting, and transmission electron microscopy and found that autophagic markers were increased following the infection of tumor cells with LM. The autophagy pathway in B16F10 cells was blocked with the pharmacological autophagy inhibitor chloroquine, which led to a significant increase in intracellular bacterial multiplication in tumor cells. The combination of CQ and LM enhanced LM-mediated cancer cell death and apoptosis compared with LM infection alone. Furthermore, the combination of LM and CQ significantly inhibited tumor growth and prolonged the survival time of mice in vivo, which was associated with the increased colonization and accumulation of LM and induced more cell apoptosis in primary tumors. The data indicated that the inhibition of autophagy by CQ enhanced LM-mediated antitumor activity in vitro and in vivo and provided a novel strategy to improving the anticancer efficacy of bacterial treatment.
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Affiliation(s)
- Zuhua Yu
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Yingying Zhao
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Ke Ding
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Lei He
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Chengshui Liao
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Jing Li
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Songbiao Chen
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Ke Shang
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Jian Chen
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Chuan Yu
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Chunjie Zhang
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Yinju Li
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
| | - Shaohui Wang
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
- Correspondence: (S.W.); (Y.J.)
| | - Yanyan Jia
- Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Luoyang 471023, China
- Laboratory of Functional Microbiology and Animal Health, Henan University of Science and Technology, Luoyang 471003, China
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China
- Correspondence: (S.W.); (Y.J.)
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Immunization with a Multivalent Listeria monocytogenes Vaccine Leads to a Strong Reduction in Vertical Transmission and Cerebral Parasite Burden in Pregnant and Non-Pregnant Mice Infected with Neospora caninum. Vaccines (Basel) 2023; 11:vaccines11010156. [PMID: 36680001 PMCID: PMC9863997 DOI: 10.3390/vaccines11010156] [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: 12/15/2022] [Revised: 01/04/2023] [Accepted: 01/08/2023] [Indexed: 01/12/2023] Open
Abstract
Neospora caninum is an apicomplexan parasite that causes abortion and stillbirth in cattle. We employed the pregnant neosporosis mouse model to investigate the efficacy of a modified version of the attenuated Listeria monocytogenes vaccine vector Lm3Dx_NcSAG1, which expresses the major N. caninum surface antigen SAG1. Multivalent vaccines were generated by the insertion of gra7 and/or rop2 genes into Lm3Dx_NcSAG1, resulting in the double mutants, Lm3Dx_NcSAG1_NcGRA7 and Lm3Dx_NcSAG1_NcROP2, and the triple mutant, Lm3Dx_NcSAG1_NcGRA7_NcROP2. Six experimental groups of female BALB/c mice were inoculated intramuscularly three times at two-week intervals with 1 × 107 CFU of the respective vaccine strains. Seven days post-mating, mice were challenged by the subcutaneous injection of 1 × 105N. caninum NcSpain-7 tachyzoites. Non-pregnant mice, dams and their offspring were observed daily until day 25 post-partum. Immunization with Lm3Dx_NcSAG1 and Lm3Dx_NcSAG1_NcGRA7_NcROP2 resulted in 70% postnatal pup survival, whereas only 50% and 58% of pups survived in the double mutant-vaccinated groups. Almost all pups had died at the end of the experiment in the infection control. The triple mutant was the most promising vaccine candidate, providing the highest rate of protection against vertical transmission (65%) and CNS infection. Overall, integrating multiple antigens into Lm3Dx_SAG1 resulted in lower vertical transmission and enhanced protection against cerebral infection in dams and in non-pregnant mice.
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Review Article: Immune Landscape and Immunotherapy Options in Cervical Carcinoma. Cancers (Basel) 2022; 14:cancers14184458. [PMID: 36139618 PMCID: PMC9496890 DOI: 10.3390/cancers14184458] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary Cervical cancer is one of the most common cancers with a high mortality rate, especially in women of reproductive age. A lot of treatment modalities are being used in clinical practice but they come with a wide range of toxic side effects, the relapse of cancer, and a low disease-free survival rate. Immunotherapy has revolutionized the treatment landscape of cervical cancer as it focuses majorly on agents that stimulate the body’s own immune system against tumor cells. A deeper understanding of immune system players and immune perturbations in the onset and progression of cervical cancer can pave the way to better treatment with zero relapse. Immunotherapy holds the key to a cancer-free future. This review summarizes the immune players that are perturbed in cervical cancer, and immunotherapy options that are being exploited, alone or in combination, for the treatment of cervical carcinoma in women. Abstract Carcinoma of the cervix is one of the most common cancers that claims women’s lives every year. Despite preventive HPV vaccines and conventional cancer treatments, approximately 273,000 women succumb to cervical carcinoma every year. Immune system perturbations help malignant cells in immune evasion, tumor establishment, invasion, and metastasis. An insight into immune system players that promote or suppress cervical cancer is important for the development of more targeted therapies with the fewest side effects. Immunotherapy has emerged as the most compliant approach to target cancer because it utilizes a natural course of action to stimulate the immune system against cancer cells. The major immunotherapy approaches for cervical carcinoma include monoclonal antibodies, immune checkpoint blockade therapy, adoptive cell transfer therapies, and oncolytic viruses. In October 2021 the FDA approved pembrolizumab in combination with chemotherapy or bevacizumab as a first-line treatment for cervical cancer. A recent breakthrough has been made in the cancer immunotherapy regimen in which a monoclonal antibody dostarlimab was able to completely cure all colorectal cancer patients, with disease-free progression after 6 months and counting. This creates hope that immunotherapy may prove to be the final nail in the coffin of this centuries-long prevalent disease of “cancer”.
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Ji Q, Ma J, Wang S, Liu Q. Systematic identification of a panel of strong promoter regions from Listeria monocytogenes for fine-tuning gene expression. Microb Cell Fact 2021; 20:132. [PMID: 34247599 PMCID: PMC8273982 DOI: 10.1186/s12934-021-01628-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 07/05/2021] [Indexed: 01/20/2023] Open
Abstract
Background Attenuated Listeria monocytogenes (Lm) has been widely used as a vaccine vector in the prevention and treatment of pathogen infection and tumor diseases. In addition, previous studies have proved that the attenuated Lm can protect zebrafish from Vibrio infections, indicating that the attenuated Lm has a good application prospect in the field of aquatic vaccines. However, the limitation mainly lies in the lack of a set of well-characterized natural promoters for the expression of target antigens in attenuated Lm. Results In our study, candidate strong promoters were identified through RNA-seq analysis, and characterized in Lm through enhanced green fluorescent protein (EGFP). Nine native promoters that showed stronger activities than that of the known strong promoter P36 under two tested temperatures (28 and 37 °C) were selected from the set, and P29 with the highest activity was 24-fold greater than P36. Furthermore, we demonstrated that P29 could initiate EGFP expression in ZF4 cells and zebrafish embryos. Conclusions This well-characterized promoter library can be used to fine-tune the expression of different proteins in Lm. The availability of a well-characterized promoter toolbox of Lm is essential for the analysis of yield increase for biotechnology applications. Supplementary Information The online version contains supplementary material available at 10.1186/s12934-021-01628-w.
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Affiliation(s)
- Qianyu Ji
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Junfei Ma
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Shuying Wang
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Qing Liu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China.
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