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Salminen A. Aryl hydrocarbon receptor impairs circadian regulation in Alzheimer's disease: Potential impact on glymphatic system dysfunction. Eur J Neurosci 2024. [PMID: 38924210 DOI: 10.1111/ejn.16450] [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: 01/17/2024] [Revised: 05/23/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024]
Abstract
Circadian clocks maintain diurnal rhythms of sleep-wake cycle of 24 h that regulate not only the metabolism of an organism but also many other periodical processes. There is substantial evidence that circadian regulation is impaired in Alzheimer's disease. Circadian clocks regulate many properties known to be disturbed in Alzheimer's patients, such as the integrity of the blood-brain barrier (BBB) as well as the diurnal glymphatic flow that controls waste clearance from the brain. Interestingly, an evolutionarily conserved transcription factor, that is, aryl hydrocarbon receptor (AhR), impairs the function of the core clock proteins and thus could disturb diurnal rhythmicity in the BBB. There is abundant evidence that the activation of AhR signalling inhibits the expression of the major core clock proteins, such as the brain and muscle arnt-like 1 (BMAL1), clock circadian regulator (CLOCK) and period circadian regulator 1 (PER1) in different experimental models. The expression of AhR is robustly increased in the brains of Alzheimer's patients, and protein level is enriched in astrocytes of the BBB. It seems that AhR signalling inhibits glymphatic flow since it is known that (i) activation of AhR impairs the function of the BBB, which is cooperatively interconnected with the glymphatic system in the brain, and (ii) neuroinflammation and dysbiosis of gut microbiota generate potent activators of AhR, which are able to impair glymphatic flow. I will examine current evidence indicating that activation of AhR signalling could disturb circadian functions of the BBB and impair glymphatic flow and thus be involved in the development of Alzheimer's pathology.
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Affiliation(s)
- Antero Salminen
- Department of Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
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2
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Zhao Z, Xing N, Guo H, Li J, Sun G. Identification of Lower Grade Glioma Antigens Based on Ferroptosis Status for mRNA Vaccine Development. Pharmgenomics Pers Med 2024; 17:105-123. [PMID: 38623558 PMCID: PMC11018127 DOI: 10.2147/pgpm.s449230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/16/2024] [Indexed: 04/17/2024] Open
Abstract
Purpose mRNA vaccines represent a promising and innovative strategy within the realm of cancer immunotherapy. However, their efficacy in treating lower-grade glioma (LGG) requires evaluation. Ferroptosis exhibits close associations with the initiation, evolution, and suppression of cancer. In this study, we explored the landscape of the ferroptosis-associated tumor microenvironment to facilitate the development of mRNA vaccines for LGG patients. Patients and Methods Genomic and clinical data of the LGG patients was obtained from the Cancer Genome Atlas (TCGA) and Chinese Glioma Genome Atlas (CGGA) databases. Ferroptosis-related tumor antigens were identified based on differential expression, mutation status, correlation with antigen-presenting cells, and prognosis, relevance to immunogenic cell death (ICD). Antigen expression levels in LGG specimens and cell lines were validated using real time-polymerase chain reaction (RT-PCR). Consensus clustering was employed for patient classification. The immune landscapes of ferroptosis subtypes were further characterized, including immune responses, prognostic ability, tumor microenvironment, and tumor-related signatures. Results Five tumor antigens, namely, HOTAIR, IDO1, KIF20A, NR5A2, and RRM2 were identified in LGG. RT-PCR demonstrated higher expression of these genes in LGG compared to the control. Twelve gene modules and four ferroptosis subtypes (FS1-FS4) of LGG were defined. FS2 and FS4, characterized as "cold" tumors due to their decreased tumor mutation burden (TMB) and immune checkpoint proteins (ICPs), were deemed appropriate candidates for the mRNA vaccine. Conclusion HOTAIR, IDO1, KIF20A, NR5A2, and RRM2 were identified as promising candidate antigens for the development of an LGG mRNA vaccine, particularly offering potential benefits to FS2 and FS4 patients.
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Affiliation(s)
- Zhenxiang Zhao
- Department of Neurosurgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Na Xing
- Department of Endocrinology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Hao Guo
- Department of Hepatobiliary Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Jianfeng Li
- Department of Neurosurgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Guozhu Sun
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
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3
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Obrador E, Moreno-Murciano P, Oriol-Caballo M, López-Blanch R, Pineda B, Gutiérrez-Arroyo JL, Loras A, Gonzalez-Bonet LG, Martinez-Cadenas C, Estrela JM, Marqués-Torrejón MÁ. Glioblastoma Therapy: Past, Present and Future. Int J Mol Sci 2024; 25:2529. [PMID: 38473776 DOI: 10.3390/ijms25052529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/10/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
Glioblastoma (GB) stands out as the most prevalent and lethal form of brain cancer. Although great efforts have been made by clinicians and researchers, no significant improvement in survival has been achieved since the Stupp protocol became the standard of care (SOC) in 2005. Despite multimodality treatments, recurrence is almost universal with survival rates under 2 years after diagnosis. Here, we discuss the recent progress in our understanding of GB pathophysiology, in particular, the importance of glioma stem cells (GSCs), the tumor microenvironment conditions, and epigenetic mechanisms involved in GB growth, aggressiveness and recurrence. The discussion on therapeutic strategies first covers the SOC treatment and targeted therapies that have been shown to interfere with different signaling pathways (pRB/CDK4/RB1/P16ink4, TP53/MDM2/P14arf, PI3k/Akt-PTEN, RAS/RAF/MEK, PARP) involved in GB tumorigenesis, pathophysiology, and treatment resistance acquisition. Below, we analyze several immunotherapeutic approaches (i.e., checkpoint inhibitors, vaccines, CAR-modified NK or T cells, oncolytic virotherapy) that have been used in an attempt to enhance the immune response against GB, and thereby avoid recidivism or increase survival of GB patients. Finally, we present treatment attempts made using nanotherapies (nanometric structures having active anti-GB agents such as antibodies, chemotherapeutic/anti-angiogenic drugs or sensitizers, radionuclides, and molecules that target GB cellular receptors or open the blood-brain barrier) and non-ionizing energies (laser interstitial thermal therapy, high/low intensity focused ultrasounds, photodynamic/sonodynamic therapies and electroporation). The aim of this review is to discuss the advances and limitations of the current therapies and to present novel approaches that are under development or following clinical trials.
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Affiliation(s)
- Elena Obrador
- Scientia BioTech S.L., 46002 Valencia, Spain
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain
| | | | - María Oriol-Caballo
- Scientia BioTech S.L., 46002 Valencia, Spain
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain
| | - Rafael López-Blanch
- Scientia BioTech S.L., 46002 Valencia, Spain
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain
| | - Begoña Pineda
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain
| | | | - Alba Loras
- Department of Medicine, Jaume I University of Castellon, 12071 Castellon, Spain
| | - Luis G Gonzalez-Bonet
- Department of Neurosurgery, Castellon General University Hospital, 12004 Castellon, Spain
| | | | - José M Estrela
- Scientia BioTech S.L., 46002 Valencia, Spain
- Department of Physiology, Faculty of Medicine and Odontology, University of Valencia, 46010 Valencia, Spain
- Department of Physiology, Faculty of Pharmacy, University of Valencia, 46100 Burjassot, Spain
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4
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Ghaemi Z, Asadollahi-Baboli M. Developing reliable classification of dual IDO1/TDO inhibitors using data fusion and majority voting. J Biomol Struct Dyn 2023:1-9. [PMID: 37921776 DOI: 10.1080/07391102.2023.2278079] [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: 06/30/2023] [Accepted: 10/25/2023] [Indexed: 11/04/2023]
Abstract
Indoleamine 2,3-dioxygenase 1 (IDO1) and tryptophan 2,3-dioxygenase (TDO) are promising dual-targeting inhibitors in cancer and neurodegenerative diseases treatment. Data fusion of receptor-based and ligand-based information of dual IDO1/TDO inhibitors were employed for active/inactive classification performance. A reliable decision making procedure was used here to identify active/inactive dual IDO1/TDO inhibitors using majority voting method and pools of individual classifications instead of individual models. All classification models were validated using prediction set, cross-validation and y-scrambling tests. The classification outcomes indicate that the sensitivity, specificity, precision, accuracy, G-mean and F1 score values increases up to ∼90% using data fusion and majority voting method. Compare to individual classification models with a single prediction point, the majority voting method has more reliable results due to the integration of the pool of individual classification models. This classification strategy may lead to more reliable identification of active/inactive dual-targeting inhibitors in cancer immunotherapy.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Zahra Ghaemi
- Department of Chemistry, Faculty of Science, Babol Noshirvani University of Technology, Babol, Mazandaran, Iran
| | - M Asadollahi-Baboli
- Department of Chemistry, Faculty of Science, Babol Noshirvani University of Technology, Babol, Mazandaran, Iran
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Dal Bello S, Martinuzzi D, Tereshko Y, Veritti D, Sarao V, Gigli GL, Lanzetta P, Valente M. The Present and Future of Optic Pathway Glioma Therapy. Cells 2023; 12:2380. [PMID: 37830595 PMCID: PMC10572241 DOI: 10.3390/cells12192380] [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: 07/10/2023] [Revised: 08/31/2023] [Accepted: 09/28/2023] [Indexed: 10/14/2023] Open
Abstract
Optic pathway gliomas (OPGs) encompass two distinct categories: benign pediatric gliomas, which are characterized by favorable prognosis, and malignant adult gliomas, which are aggressive cancers associated with a poor outcome. Our review aims to explore the established standards of care for both types of tumors, highlight the emerging therapeutic strategies for OPG treatment, and propose potential alternative therapies that, while originally studied in a broader glioma context, may hold promise for OPGs pending further investigation. These potential therapies encompass immunotherapy approaches, molecular-targeted therapy, modulation of the tumor microenvironment, nanotechnologies, magnetic hyperthermia therapy, cyberKnife, cannabinoids, and the ketogenic diet. Restoring visual function is a significant challenge in cases where optic nerve damage has occurred due to the tumor or its therapeutic interventions. Numerous approaches, particularly those involving stem cells, are currently being investigated as potential facilitators of visual recovery in these patients.
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Affiliation(s)
- Simone Dal Bello
- Clinical Neurology Unit, Santa Maria della Misericordia University Hospital, 33100 Udine, Italy
| | - Deborah Martinuzzi
- Department of Medicine—Ophthalmology, University of Udine, 33100 Udine, Italy
| | - Yan Tereshko
- Clinical Neurology Unit, Santa Maria della Misericordia University Hospital, 33100 Udine, Italy
| | - Daniele Veritti
- Department of Medicine—Ophthalmology, University of Udine, 33100 Udine, Italy
| | - Valentina Sarao
- Department of Medicine—Ophthalmology, University of Udine, 33100 Udine, Italy
| | - Gian Luigi Gigli
- Department of Medical Area, University of Udine, 33100 Udine, Italy
| | - Paolo Lanzetta
- Department of Medicine—Ophthalmology, University of Udine, 33100 Udine, Italy
| | - Mariarosaria Valente
- Clinical Neurology Unit, Santa Maria della Misericordia University Hospital, 33100 Udine, Italy
- Department of Medical Area, University of Udine, 33100 Udine, Italy
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Shen J, Zhao W, Cheng J, Cheng J, Zhao L, Dai C, Fu Y, Li B, Chen Z, Shi D, Li H, Deng Y. Lipopolysaccharide accelerates tryptophan degradation in the ovary and the derivative kynurenine disturbs hormone biosynthesis and reproductive performance. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:131988. [PMID: 37418963 DOI: 10.1016/j.jhazmat.2023.131988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 07/01/2023] [Accepted: 07/01/2023] [Indexed: 07/09/2023]
Abstract
Lipopolysaccharide (LPS), also known as endotoxin, is a component of the outer membrane of gram-negative bacteria. LPS is released into the surrounding environment during bacterial death and lysis. Due to its chemical and thermal stability, LPS can be detected anywhere and easily exposed to humans and animals. Previous studies have shown that LPS causes hormonal imbalances, ovarian failure, and infertility in mammals. However, the potential mechanisms remain unclear. In this study, we investigated the effects and mechanisms of LPS on tryptophan degradation, both in vivo and in vitro. The effects of kynurenine, a tryptophan derivative, on granulosa cell function and reproductive performance were explored. Results showed that p38, NF-κB, and JNK signaling pathways were involved in LPS-induced Ido1 expressions and kynurenine accumulation. Furthermore, the kynurenine decreased estradiol production, but increased granulosa cell proliferation. In vivo, experiments showed that kynurenine decreased estradiol and FSH production and inhibited ovulation and corpus luteum formation. Additionally, pregnancy and offspring survival rates decreased considerably after kynurenine treatment. Our findings suggest that kynurenine accumulation disrupts hormone secretion, ovulation, corpus luteal formation, and reproductive performance in mammals.
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Affiliation(s)
- Jie Shen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding and Disease Control, College of Animal Science and Technology, Guangxi University, Nanning 530004, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Weimin Zhao
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Juanru Cheng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding and Disease Control, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Jinhua Cheng
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Lei Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding and Disease Control, College of Animal Science and Technology, Guangxi University, Nanning 530004, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Chaohui Dai
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Yanfeng Fu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Bixia Li
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Zhe Chen
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Deshun Shi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding and Disease Control, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Hui Li
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
| | - Yanfei Deng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding and Disease Control, College of Animal Science and Technology, Guangxi University, Nanning 530004, China.
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7
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de Ruiter Swain J, Michalopoulou E, Noch EK, Lukey MJ, Van Aelst L. Metabolic partitioning in the brain and its hijacking by glioblastoma. Genes Dev 2023; 37:681-702. [PMID: 37648371 PMCID: PMC10546978 DOI: 10.1101/gad.350693.123] [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] [Indexed: 09/01/2023]
Abstract
The different cell types in the brain have highly specialized roles with unique metabolic requirements. Normal brain function requires the coordinated partitioning of metabolic pathways between these cells, such as in the neuron-astrocyte glutamate-glutamine cycle. An emerging theme in glioblastoma (GBM) biology is that malignant cells integrate into or "hijack" brain metabolism, co-opting neurons and glia for the supply of nutrients and recycling of waste products. Moreover, GBM cells communicate via signaling metabolites in the tumor microenvironment to promote tumor growth and induce immune suppression. Recent findings in this field point toward new therapeutic strategies to target the metabolic exchange processes that fuel tumorigenesis and suppress the anticancer immune response in GBM. Here, we provide an overview of the intercellular division of metabolic labor that occurs in both the normal brain and the GBM tumor microenvironment and then discuss the implications of these interactions for GBM therapy.
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Affiliation(s)
- Jed de Ruiter Swain
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA
- Cold Spring Harbor Laboratory School of Biological Sciences, Cold Spring Harbor, New York 11724, USA
| | | | - Evan K Noch
- Department of Neurology, Division of Neuro-oncology, Weill Cornell Medicine, New York, New York 10021, USA
| | - Michael J Lukey
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA;
| | - Linda Van Aelst
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724, USA;
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8
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Dai P, Qiao F, Chen Y, Chan DYL, Yim HCH, Fok KL, Chen H. SARS-CoV-2 and male infertility: from short- to long-term impacts. J Endocrinol Invest 2023; 46:1491-1507. [PMID: 36917421 PMCID: PMC10013302 DOI: 10.1007/s40618-023-02055-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 03/01/2023] [Indexed: 03/16/2023]
Abstract
PURPOSE The coronavirus 2019 (COVID-19) pandemic-caused by a new type of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-has posed severe impacts on public health worldwide and has resulted in a total of > 6 million deaths. Notably, male patients developed more complications and had mortality rates ~ 77% higher than those of female patients. The extensive expression of the SARS-CoV-2 receptor and related proteins in the male reproductive tract and the association of serum testosterone levels with viral entry and infection have brought attention to COVID-19's effects on male fertility. METHODS The peer-reviewed articles and reviews were obtained by searching for the keywords SARS-CoV-2, COVID-19, endocrine, spermatogenesis, epididymis, prostate, and vaccine in the databases of PubMed, Web of Science and Google Scholar from 2020-2022. RESULTS This review summarizes the effects of COVID-19 on the male reproductive system and investigates the impact of various types of SARS-CoV-2 vaccines on male reproductive health. We also present the underlying mechanisms by which SARS-CoV-2 affects male reproduction and discuss the potentially harmful effects of asymptomatic infections, as well as the long-term impact of COVID-19 on male reproductive health. CONCLUSION COVID-19 disrupted the HPG axis, which had negative impacts on spermatogenesis and the epididymis, albeit further investigations need to be performed. The development of vaccines against various SARS-CoV-2 variations is important to lower infection rates and long-term COVID risks.
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Affiliation(s)
- P Dai
- Institute of Reproductive Medicine, Medical School of Nantong University, Nantong, People's Republic of China
| | - F Qiao
- Institute of Reproductive Medicine, Medical School of Nantong University, Nantong, People's Republic of China
| | - Y Chen
- Institute of Reproductive Medicine, Medical School of Nantong University, Nantong, People's Republic of China
| | - D Y L Chan
- Assisted Reproductive Technologies Unit, Department of Obstetrics and Gynecology, The Chinese University of Hong Kong, Hong Kong, People's Republic of China
| | - H C H Yim
- Microbiome Research Centre, School of Clinical Medicine, Faculty of Medicine, St George and Sutherland Campus, UNSW Sydney, Sydney, Australia
| | - K L Fok
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, People's Republic of China.
- Kong Joint Laboratory for Reproductive Medicine, Sichuan University-The Chinese University of Hong, West China Second University Hospital, Chengdu, People's Republic of China.
| | - H Chen
- Institute of Reproductive Medicine, Medical School of Nantong University, Nantong, People's Republic of China.
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9
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Stone TW, Williams RO. Modulation of T cells by tryptophan metabolites in the kynurenine pathway. Trends Pharmacol Sci 2023; 44:442-456. [PMID: 37248103 DOI: 10.1016/j.tips.2023.04.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/26/2023] [Accepted: 04/26/2023] [Indexed: 05/31/2023]
Abstract
Lymphocytes maturing in the thymus (T cells) are key factors in adaptive immunity and the regulation of inflammation. The kynurenine pathway of tryptophan metabolism includes several enzymes and compounds that can modulate T cell function, but manipulating these pharmacologically has not achieved the expected therapeutic activity for the treatment of autoimmune disorders and cancer. With increasing knowledge of other pathways interacting with kynurenines, the expansion of screening methods, and the application of virtual techniques to understanding enzyme structures and mechanisms, details of interactions between kynurenines and other pathways are being revealed. This review surveys some of these alternative approaches to influence T cell function indirectly via the kynurenine pathway and summarizes the most recent work on the development of compounds acting directly on the kynurenine pathway.
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Affiliation(s)
- Trevor W Stone
- The Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7FY, UK
| | - Richard O Williams
- The Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7FY, UK.
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10
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Yang L, Chu Z, Liu M, Zou Q, Li J, Liu Q, Wang Y, Wang T, Xiang J, Wang B. Amino acid metabolism in immune cells: essential regulators of the effector functions, and promising opportunities to enhance cancer immunotherapy. J Hematol Oncol 2023; 16:59. [PMID: 37277776 DOI: 10.1186/s13045-023-01453-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/13/2023] [Indexed: 06/07/2023] Open
Abstract
Amino acids are basic nutrients for immune cells during organ development, tissue homeostasis, and the immune response. Regarding metabolic reprogramming in the tumor microenvironment, dysregulation of amino acid consumption in immune cells is an important underlying mechanism leading to impaired anti-tumor immunity. Emerging studies have revealed that altered amino acid metabolism is tightly linked to tumor outgrowth, metastasis, and therapeutic resistance through governing the fate of various immune cells. During these processes, the concentration of free amino acids, their membrane bound transporters, key metabolic enzymes, and sensors such as mTOR and GCN2 play critical roles in controlling immune cell differentiation and function. As such, anti-cancer immune responses could be enhanced by supplement of specific essential amino acids, or targeting the metabolic enzymes or their sensors, thereby developing novel adjuvant immune therapeutic modalities. To further dissect metabolic regulation of anti-tumor immunity, this review summarizes the regulatory mechanisms governing reprogramming of amino acid metabolism and their effects on the phenotypes and functions of tumor-infiltrating immune cells to propose novel approaches that could be exploited to rewire amino acid metabolism and enhance cancer immunotherapy.
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Affiliation(s)
- Luming Yang
- Chongqing University Medical School, Chongqing, 400044, People's Republic of China
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China
| | - Zhaole Chu
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China
| | - Meng Liu
- Chongqing University Medical School, Chongqing, 400044, People's Republic of China
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China
| | - Qiang Zou
- Chongqing University Medical School, Chongqing, 400044, People's Republic of China
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China
| | - Jinyang Li
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China
| | - Qin Liu
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China
| | - Yazhou Wang
- Chongqing University Medical School, Chongqing, 400044, People's Republic of China.
| | - Tao Wang
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China.
| | - Junyu Xiang
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China.
| | - Bin Wang
- Department of Gastroenterology and Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), 10# Changjiang Branch Road, Yuzhong District, Chongqing, 400042, People's Republic of China.
- Institute of Pathology and Southwest Cancer Center, Key Laboratory of Tumor Immunopathology of Ministry of Education of China, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, People's Republic of China.
- Jinfeng Laboratory, Chongqing, 401329, People's Republic of China.
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11
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Bian J, Sun J, Chang H, Wei Y, Cong H, Yao M, Xiao F, Wang H, Zhao Y, Liu J, Zhang X, Yin L. Profile and potential role of novel metabolite biomarkers, especially indoleacrylic acid, in pathogenesis of neuromyelitis optica spectrum disorders. Front Pharmacol 2023; 14:1166085. [PMID: 37324490 PMCID: PMC10263123 DOI: 10.3389/fphar.2023.1166085] [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: 02/14/2023] [Accepted: 04/24/2023] [Indexed: 06/17/2023] Open
Abstract
Background: Neuromyelitis optica spectrum disorder (NMOSD) is an autoimmune central nervous system (CNS) inflammatory and demyelinating disorder that can lead to serious disability and mortality. Humoral fluid biomarkers with specific, convenient, and efficient profiles that could characterize and monitor disease activity or severity are very useful. We aimed to develop a sensitive and high-throughput liquid chromatography-tandem mass spectrometry (LC-MS)/MS-based analytical method for novel biomarkers finding in NMOSD patients and verified its function tentatively. Methods: Serum samples were collected from 47 NMOSD patients, 18 patients with other neurological disorders (ONDs), and 35 healthy controls (HC). Cerebrospinal fluid (CSF) samples were collected from 18 NMOSD and 17 OND patients. Three aromatic amino acids (phenylalanine, tyrosine, and tryptophan) and nine important metabolites that included phenylacetylglutamine (PAGln), indoleacrylic acid (IA), 3-indole acetic acid (IAA), 5-hydroxyindoleacetic acid (HIAA), hippuric acid (HA), I-3-carboxylic acid (I-3-CA), kynurenine (KYN), kynurenic acid (KYNA), and quinine (QUIN) were analyzed by using the liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based method. The profile of IA was further analyzed, and its function was verified in an astrocyte injury model stimulated by NMO-IgG, which represents important events in NMOSD pathogenesis. Results: In the serum, tyrosine and some of the tryptophan metabolites IA and I-3-CA decreased, and HIAA increased significantly in NMOSD patients. The CSF levels of phenylalanine and tyrosine showed a significant increase exactly during the relapse stage, and IA in the CSF was also increased markedly during the relapse and remission phases. All conversion ratios had similar profiles with their level fluctuations. In addition, the serum IA levels negatively correlated with glial fibrillary acidic protein (GFAP), and neurofilament light (NfL) levels in the serum of NMOSD patients were measured by using ultra-sensitive single-molecule arrays (Simoa). IA showed an anti-inflammatory effect in an in vitro astrocyte injury model. Conclusion: Our data suggest that essential aromatic amino acid tryptophan metabolites IA in the serum or CSF may serve as a novel promising biomarker to monitor and predict the activity and severity of NMOSD disease. Supplying or enhancing IA function can promote anti-inflammatory responses and may have therapeutic benefits.
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Affiliation(s)
- Jiangping Bian
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Jiali Sun
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Haoxiao Chang
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Yuzhen Wei
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hengri Cong
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Mengyuan Yao
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Fuyao Xiao
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Huabing Wang
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yaobo Zhao
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jianghong Liu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
- Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China
| | - Xinghu Zhang
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Linlin Yin
- Department of Neuroinfection and Neuroimmunology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China
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Xu H, Hu C, Wang Y, Shi Y, Yuan L, Xu J, Zhang Y, Chen J, Wei Q, Qin J, Xu Z, Cheng X. Glutathione peroxidase 2 knockdown suppresses gastric cancer progression and metastasis via regulation of kynurenine metabolism. Oncogene 2023:10.1038/s41388-023-02708-4. [PMID: 37138031 DOI: 10.1038/s41388-023-02708-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 04/19/2023] [Accepted: 04/21/2023] [Indexed: 05/05/2023]
Abstract
Gastric cancer (GC) is among the most lethal malignancies due to its poor early diagnosis and high metastasis rate, and new therapeutic targets are urgently needed to develop effective anti-GC drugs. Glutathione peroxidase-2 (GPx2) plays various roles in tumor progression and patient survival. Herein, we found that GPx2 was overexpressed and negatively correlated with poor prognosis by using clinical GC samples for validation. GPx2 knockdown suppressed GC proliferation, invasion, migration and epithelial-mesenchymal transition (EMT) in vitro and in vivo. In addition, proteomic analysis revealed that GPx2 expression regulated kynureninase (KYNU)-mediated metabolism. As one of the key proteins involved in tryptophan catabolism, KYNU can degrade the tryptophan metabolite kynurenine (kyn), which is an endogenous ligand for AhR. Next, we revealed that the activation of the reactive oxygen species (ROS)-mediated KYNU-kyn-AhR signaling pathway caused by GPx2 knockdown was involved in GC progression and metastasis. In conclusion, our results showed that GPx2 acted as an oncogene in GC and that GPx2 knockdown suppressed GC progression and metastasis by suppressing the KYNU-kyn-AhR signaling pathway, which was caused by the accumulation of ROS.
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Affiliation(s)
- Handong Xu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Can Hu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Yi Wang
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Yunfu Shi
- Tongde Hospital of Zhejiang Province, Hangzhou, China
- Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine of Zhejiang Province, Hangzhou, China
| | - Li Yuan
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Jingli Xu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, 310053, China
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Yanqiang Zhang
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Jiahui Chen
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Qin Wei
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China
| | - Jiangjiang Qin
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China.
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China.
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China.
| | - Zhiyuan Xu
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China.
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China.
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China.
| | - Xiangdong Cheng
- Department of Gastric Surgery, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, 310022, China.
- Key Laboratory of Prevention, Diagnosis and Therapy of Upper Gastrointestinal Cancer of Zhejiang Province, Hangzhou, 310022, China.
- Zhejiang Provincial Research Center for Upper Gastrointestinal Tract Cancer, Zhejiang Cancer Hospital, Hangzhou, 310022, China.
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Wang T, Song Y, Ai Z, Liu Y, Li H, Xu W, Chen L, Zhu G, Yang M, Su D. Pulsatilla chinensis saponins ameliorated murine depression by inhibiting intestinal inflammation mediated IDO1 overexpression and rebalancing tryptophan metabolism. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 116:154852. [PMID: 37167824 DOI: 10.1016/j.phymed.2023.154852] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/16/2023] [Accepted: 05/01/2023] [Indexed: 05/13/2023]
Abstract
BACKGROUND Current antidepressant therapy remains unsatisfactory due to the complex pathogenesis. Emerging evidence suggested that depression is associated with inflammatory bowel disease (IBD), intestinal inflammation is an increasingly accepted factor that influences depression, but the mechanism is unclear. PURPOSE In the current study, we determined whether Pulsatilla chinensis saponins (PRS), a phytomedicine from Pulsatilla chinensis (Bunge) Regel with excellent anti-IBD effect, could improve the depression. Furthermore, we investigated the mechanisms to explore the relationship between IBD and depression and provide new source for the urgent development of antidepressants from phytomedicine. METHODS The antidepressant activity of PRS was accessed by behavioral test and multichannel technology in depression mice induced by Chronic Unpredictable Mild Stress (CUMS). 16S rDNA-based microbiota and RNA-seq in colon was used to explore potential intestinal metabolism affected by PRS. To illustrate the underlying mechanisms of anti-depression effect of PRS, targeted metabolomics, ELISA assay, immunofluorescence staining, Western Blot, and qPCR were carried out. RESULTS The results clarified that CUMS induced depression with tryptophan (Trp) metabolism and intestinal inflammation. PRS effectively suppressed the depression and acted as a regulator of Trp/kynurenine (Kyn) metabolic and intestinal inflammation confirmed by analysis of microflora and colon RNA. Meanwhile PRS reduced interferon gamma (IFN-γ), inhibited JAK1-STAT1 phosphorylation, decreased IDO1 levels to protect against the overactivity of Trp/kyn path, suggesting that IFN-γ activated IDO1 probably a significant target for PRS to exert anti-depression effects. To further confirm the mechanism, this research expressed that PRS improved IDO1 activity and depressive behavior in mice with IFN-γ-induced depression. Furthermore, the therapeutic effect of 1-methyl-tryptophan (1-MT) well known as an IDO1 inhibitor in depression and clinically used anti-UC drug Mesalazine (MS) was demonstrated to confirm the potential mechanism. CONCLUSION The study is the first to reveal the antidepressant effect of PRS and further demonstrate its potential therapeutic targets. In addition, it also clarifies that the Trp/kyn pathway is the crosstalk between IBD and depression and provides new choice for depression treatment. And it also provides an important basis for the follow-up development and exploration of anti-intestinal antidepressants.
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Affiliation(s)
- Tingting Wang
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Yonggui Song
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Zhifu Ai
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Yali Liu
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Huizhen Li
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Weize Xu
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Liling Chen
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Genhua Zhu
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China
| | - Ming Yang
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China; Jiangxi Guxiang Jinyun Comprehensive Health Industry Co., Ltd., Nanchang, China
| | - Dan Su
- Key Laboratory of Evaluation of Traditional Chinese Medicine Efficacy (Prevention and Treatment of Brain Diseases with Mental Disorders), Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine, 1688 Meiling Road, Nanchang 330006, China.
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14
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Hou X, Du H, Deng Y, Wang H, Liu J, Qiao J, Liu W, Shu X, Sun B, Liu Y. Gut microbiota mediated the individualized efficacy of Temozolomide via immunomodulation in glioma. J Transl Med 2023; 21:198. [PMID: 36927689 PMCID: PMC10018922 DOI: 10.1186/s12967-023-04042-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND Temozolomide (TMZ) is the preferred chemotherapy strategy for glioma therapy. As a second-generation alkylating agent, TMZ provides superior oral bio-availability. However, limited response rate (less than 50%) and high incidence of drug resistance seriously restricts TMZ's application, there still lack of strategies to increase the chemotherapy sensitivity. METHODS Luci-GL261 glioma orthotopic xenograft model combined bioluminescence imaging was utilized to evaluate the anti-tumor effect of TMZ and differentiate TMZ sensitive (S)/non-sensitive (NS) individuals. Integrated microbiomics and metabolomics analysis was applied to disentangle the involvement of gut bacteria in TMZ sensitivity. Spearman's correlation analysis was applied to test the association between fecal bacteria levels and pharmacodynamics indices. Antibiotics treatment combined TMZ treatment was used to confirm the involvement of gut microbiota in TMZ response. Flow cytometry analysis, ELISA and histopathology were used to explore the potential role of immunoregulation in gut microbiota mediated TMZ response. RESULTS Firstly, gut bacteria composition was significantly altered during glioma development and TMZ treatment. Meanwhile, in vivo anti-cancer evaluation suggested a remarkable difference in chemotherapy efficacy after TMZ administration. Moreover, 16s rRNA gene sequencing and non-targeted metabolomics analysis revealed distinct different gut microbiota and immune infiltrating state between TMZ sensitive and non-sensitive mice, while abundance of differential gut bacteria and related metabolites was significantly correlated with TMZ pharmacodynamics indices. Further verification suggested that gut microbiota deletion by antibiotics treatment could accelerate glioma development, attenuate TMZ efficacy and inhibit immune cells (macrophage and CD8α+ T cell) recruitment. CONCLUSIONS The current study confirmed the involvement of gut microbiota in glioma development and individualized TMZ efficacy via immunomodulation, hence gut bacteria may serve as a predictive biomarker as well as a therapeutic target for clinical TMZ application.
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Affiliation(s)
- Xiaoying Hou
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China.,Cancer Institute, School of Medicine, Jianghan University, Wuhan, China
| | - Hongzhi Du
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Yufei Deng
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China.,Cancer Institute, School of Medicine, Jianghan University, Wuhan, China
| | - Haiping Wang
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China.,Cancer Institute, School of Medicine, Jianghan University, Wuhan, China
| | - Jinmi Liu
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China.,Cancer Institute, School of Medicine, Jianghan University, Wuhan, China
| | - Jialu Qiao
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Wei Liu
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Xiji Shu
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Binlian Sun
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China. .,Cancer Institute, School of Medicine, Jianghan University, Wuhan, China.
| | - Yuchen Liu
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China. .,Cancer Institute, School of Medicine, Jianghan University, Wuhan, China.
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15
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Pérez de la Cruz G, Pérez de la Cruz V, Navarro Cossio J, Vázquez Cervantes GI, Salazar A, Orozco Morales M, Pineda B. Kynureninase Promotes Immunosuppression and Predicts Survival in Glioma Patients: In Silico Data Analyses of the Chinese Glioma Genome Atlas (CGGA) and of the Cancer Genome Atlas (TCGA). Pharmaceuticals (Basel) 2023; 16:ph16030369. [PMID: 36986469 PMCID: PMC10051585 DOI: 10.3390/ph16030369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/14/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
Kynureninase (KYNU) is a kynurenine pathway (KP) enzyme that produces metabolites with immunomodulatory properties. In recent years, overactivation of KP has been associated with poor prognosis of several types of cancer, in particular by promoting the invasion, metastasis, and chemoresistance of cancer cells. However, the role of KYNU in gliomas remains to be explored. In this study, we used the available data from TCGA, CGGA and GTEx projects to analyze KYNU expression in gliomas and healthy tissue, as well as the potential contribution of KYNU in the tumor immune infiltrate. In addition, immune-related genes were screened with KYNU expression. KYNU expression correlated with the increased malignancy of astrocytic tumors. Survival analysis in primary astrocytomas showed that KYNU expression correlated with poor prognosis. Additionally, KYNU expression correlated positively with several genes related to an immunosuppressive microenvironment and with the characteristic immune tumor infiltrate. These findings indicate that KYNU could be a potential therapeutic target for modulating the tumor microenvironment and enhancing an effective antitumor immune response.
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Affiliation(s)
- Gonzalo Pérez de la Cruz
- Department of Mathematics, Faculty of Sciences, Universidad Nacional Autónoma de México, UNAM, Mexico City 04510, Mexico
| | - Verónica Pérez de la Cruz
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico
| | - Javier Navarro Cossio
- Neuroimmunology Unit, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico
| | - Gustavo Ignacio Vázquez Cervantes
- Neurobiochemistry and Behavior Laboratory, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico
| | - Aleli Salazar
- Neuroimmunology Unit, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico
| | - Mario Orozco Morales
- Neuroimmunology Unit, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico
| | - Benjamin Pineda
- Neuroimmunology Unit, National Institute of Neurology and Neurosurgery “Manuel Velasco Suárez”, Mexico City 14269, Mexico
- Correspondence: ; Tel.: +52-55-5606-4040
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16
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PDPN positive CAFs contribute to HER2 positive breast cancer resistance to trastuzumab by inhibiting antibody-dependent NK cell-mediated cytotoxicity. Drug Resist Updat 2023; 68:100947. [PMID: 36812747 DOI: 10.1016/j.drup.2023.100947] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/05/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023]
Abstract
Trastuzumab is a humanized monoclonal antibody, and has been clinical employed to treat human epidermal growth factor receptor 2 (HER2) positive breast cancer. However, drug resistance to trastuzumab remains a challenge due to the generally uncharacterized interactive immune responses within the tumor tissue. In this study, by means of single-cell sequencing, we identified a novel podoplanin-positive (PDPN+) cancer-associated fibroblasts (CAFs) subset, which was enriched in trastuzumab resistant tumor tissues. Furthermore, we found that PDPN+ CAFs promote resistance to trastuzumab in HER2+ breast cancer by secreting immunosuppressive factors indoleamine 2,3-dioxygenase 1 (IDO1) as well as tryptophan 2,3-dioxygenase 2 (TDO2), thereby suppressing antibody-dependent cell-mediated cytotoxicity (ADCC), which was mediated by functional NK cells. A dual inhibitor IDO/TDO-IN-3 simultaneously targeting IDO1 and TDO2 showed a promising effect on reversing PDPN+ CAFs-induced suppression of NK cells mediated ADCC. Collectively, a novel subset of PDPN+ CAFs was identified in this study, which induced trastuzumab resistance in breast cancer of HER2+ status via inhibiting ADCC immune response mediated by NK cells, hinting that PDPN+ CAFs could be a novel target of treatment to increase the sensitivity of HER2+ breast cancer to trastuzumab.
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17
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Zhang C, Wei G, Zhu X, Chen X, Ma X, Hu P, Liu W, Yang W, Ruan T, Zhang W, Wu C, Tao K. Exosome-Delivered circSTAU2 Inhibits the Progression of Gastric Cancer by Targeting the miR-589/CAPZA1 Axis. Int J Nanomedicine 2023; 18:127-142. [PMID: 36643863 PMCID: PMC9832994 DOI: 10.2147/ijn.s391872] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 12/22/2022] [Indexed: 01/08/2023] Open
Abstract
Background Circular RNAs (circRNAs) are endogenous noncoding RNAs that play vital roles in many biological processes, particularly in human cancer. Recent studies indicate that circRNAs play an important role in tumor progression through exosomes. However, the specific functions of gastric cancer-derived exosomes and the role of circSTAU2 in gastric cancer (GC) remain largely unknown. Methods Differentially expressed circRNAs in GC were identified by circRNA microarrays analysis and quantitative real-time polymerase chain reaction (qRT-PCR). The role of circSTAU2 in GC was verified by circSTAU2 knockdown and overexpression with functional assays both in vitro and in vivo. Fluorescence in situ hybridization (FISH), immunofluorescence, RNA immunoprecipitation (RIP), dual-luciferase reporter assay, qRT-PCR and Western blot were adopted to evaluate the expression and regulatory mechanism of MBNL1, circSTAU2, miR-589 and CAPZA1. Furthermore, the role of exosomes was demonstrated by transmission electron microscopy and nano-sight particle tracking analysis. Results CircSTAU2, mainly localized in the cytoplasm, was significantly downregulated in GC. CircSTAU2 overexpression inhibited GC cell proliferation, invasion and migration both in vitro and in vivo, while circSTAU2 knockdown had the inverse effect. CircSTAU2 could be wrapped in exosomes and delivered to recipient cells, and functioned as a sponge for miR-589 to relieve its inhibitory effect on CAPZA1, thus inhibiting GC progression. Furthermore, MBNL1 acted as the upstream RNA-binding protein of circSTAU2 and significantly influenced the circularization and expression of circSTAU2. Conclusion Exosome-delivered circSTAU2 may act as a tumor suppressor that restrains GC progression via miR-589/CAPZA1 axis, which demonstrates a potential therapeutic target for GC.
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Affiliation(s)
- Chenggang Zhang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Guanxin Wei
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Xiuxian Zhu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Xiang Chen
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Xianxiong Ma
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Peng Hu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Weizhen Liu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Wenchang Yang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Tuo Ruan
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Weikang Zhang
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Chuanqing Wu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China
| | - Kaixiong Tao
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People’s Republic of China,Correspondence: Kaixiong Tao; Chuanqing Wu, Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, Hubei Province, 430022, People’s Republic of China, Tel +86 13507155452; +86 13995598966, Email ;
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18
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The exploitation of enzyme-based cancer immunotherapy. Hum Cell 2023; 36:98-120. [PMID: 36334180 DOI: 10.1007/s13577-022-00821-2] [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: 07/05/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
Cancer immunotherapy utilizes the immune system and its wide-ranging components to deliver anti-tumor responses. In immune escape mechanisms, tumor microenvironment-associated soluble factors and cell surface-bound molecules are mainly accountable for the dysfunctional activity of tumor-specific CD8+ T cells, natural killer (NK) cells, tumor associated macrophages (TAMs) and stromal cells. The myeloid-derived suppressor cells (MDSCs) and Foxp3+ regulatory T cells (Tregs), are also key tumor-promoting immune cells. These potent immunosuppressive networks avert tumor rejection at various stages, affecting immunotherapies' outcomes. Numerous clinical trials have elucidated that disruption of immunosuppression could be achieved via checkpoint inhibitors. Another approach utilizes enzymes that can restore the body's potential to counter cancer by triggering the immune system inhibited by the tumor microenvironment. These immunotherapeutic enzymes can catalyze an immunostimulatory signal and modulate the tumor microenvironment via effector molecules. Herein, we have discussed the immuno-metabolic roles of various enzymes like ATP-dephosphorylating ectoenzymes, inducible Nitric Oxide Synthase, phenylamine, tryptophan, and arginine catabolizing enzymes in cancer immunotherapy. Understanding the detailed molecular mechanisms of the enzymes involved in modulating the tumor microenvironment may help find new opportunities for cancer therapeutics.
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Lan YL, Nie T, Zou S. Identification of the prognostic and immunological roles of aquaporin 4: A potential target for survival and immunotherapy in glioma patients. Front Cell Neurosci 2022; 16:1061428. [PMID: 36523816 PMCID: PMC9744806 DOI: 10.3389/fncel.2022.1061428] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/16/2022] [Indexed: 09/19/2023] Open
Abstract
Recent studies have revealed the critical role of AQP4 in the occurrence and development of gliomas. However, the role of AQP4 in immune regulation has not yet been reported. Many recent reports have identified the lymphatic system's occurrence within the central nervous system (CNS) and the vital role of immune regulation in treating brain tumors. Therefore, the present study aimed to explore the role of AQP4 in the immune regulation of glioma. We used bioinformatics analysis to investigate the immunoregulatory function of AQP4, including its correlation with immunity, anti-tumor immune processes, immunotherapy, immune infiltration, tumor mutational burden (TMB), stemness, mutation, and pan-cancer. The results revealed that AQP4 was significantly associated with the expression of multiple immune checkpoints, immune cells, as well as multiple immune cell effector genes, and antigen presentation and processing abilities. Although no significant correlation was found between the AQP4 gene and IDH mutation and MGMT, AQP4 demonstrated substantial expression differences in different immunophenotypes and molecular types. Using the TTD database, we discovered that EGFR, ABAT, and PDGFRA are strongly associated with AQP4 expression in the glioblastoma (GBM) classification, and these factors could be the potential AQP4-related immunotherapy targets. Afterward, we screened the differential genes in the high and low AQP4 gene expression group, the high and low immune score group, and the high and low matrix score group and took the intersection as the candidate factor. Finally, univariate Cox analysis was used to find eight prognostic variables with significant differences across the candidate genes. After lasso dimensionality reduction, three genes built the model (RARRES1, SOCS3, and TTYH1). The scoring model generated by the three genes was eventually obtained after the multi-factor screening of the three genes. Finally, combined with clinical information and cox regression analysis, it was further confirmed that the model score could be used as an independent prognostic factor.
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Affiliation(s)
- Yu-Long Lan
- Department of Neurosurgery, The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Neurology, The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Tian Nie
- Department of Neurology, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Shuang Zou
- Department of Neurology, The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
- Department of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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20
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Wu X, Chen B, Di Z, Jiang S, Xu H, Shi M, Hu R, Sun S, Song Z, Liu J, Ma R, Guo Q. Involvement of kynurenine pathway between inflammation and glutamate in the underlying etiopathology of CUMS-induced depression mouse model. BMC Neurosci 2022; 23:62. [DOI: 10.1186/s12868-022-00746-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 10/07/2022] [Indexed: 11/12/2022] Open
Abstract
AbstractInflammation and glutamate (GLU) are widely thought to participate in the pathogenesis of depression, and current evidence suggests that the development of depression is associated with the activation of the kynurenine pathway (KP). However, the exact mechanism of KP among the inflammation, GLU and depression remain poorly understood. In this study, we examined the involvement of KP, inflammation and GLU in depressive phenotype induced by chronic unpredictable mild stress (CUMS) in C57B/6 J mice. Our results showed that CUMS caused depressive like-behavior in the sucrose preference test, tail suspension test and forced swimming test. From a molecular perspective, CUMS upregulated the peripheral and central inflammatory response and activated indoleamine 2,3-dioxygenase (IDO), the rate-limiting enzyme of KP, which converts tryptophan (TRP) into kynurenine (KYN). KYN is a precursor for QA in microglia, which could activate the N-methyl-D-aspartate receptor (NMDAR), increasing the GLU release, mirrored by increased IDO activity, quinolinic acid and GLU levels in the hippocampus, prefrontal cortex and serum. However, intervention with IDO inhibitor 1-methyl-DL-tryptophan (50 mg/kg/s.c.) and 1-methyl-L-tryptophan (15 mg/kg/i.p.) reversed the depressive-like behaviors and adjusted central and peripheral KP’s metabolisms levels as well as GLU content, but the inflammation levels were not completely affected. These results provide certain evidence that KP may be a vital pathway mediated by IDO linking inflammation and glutamate, contributing to depression.
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21
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Bioinformatic Analysis of Kynurenine Pathway Enzymes and Their Relationship with Glioma Hallmarks. Metabolites 2022; 12:metabo12111054. [PMID: 36355137 PMCID: PMC9699055 DOI: 10.3390/metabo12111054] [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: 10/04/2022] [Revised: 10/26/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
Indoleamine dioxygenase (IDO), a rate limiting enzyme of the tryptophan catabolism through the kynurenine pathway (KP), has been related with a lower survival and a poor patient prognosis on several solid tumors, including gliomas. However, the use of IDO inhibitors as a therapeutic strategy for tumor treatment remains controversial in clinical trials and the role of other KP enzymes on tumor progression has remained poorly understood so far. Recently, different studies on different types of cancer have pointed out the importance of KP enzymes downstream IDO. Because of this, we conducted a bioinformatic analysis of the expression of different KP enzymes and their correlation with the gene expression of molecules related to the hallmarks of cancer in transcriptomic datasets from patients with different types of brain tumors including low grade gliomas, glioblastoma multiforme, neuroblastoma, and paraganglioma and pheochromocytoma. We found that KP enzymes that drive to NAD+ synthesis are overexpressed on different brain tumors compared to brain cortex data. Moreover, these enzymes presented positive correlations with the expression of genes related to immune response modulation, angiogenesis, Signal Transducer and Activator of Transcription (STAT) signaling, and Rho GTPase expression. These correlations suggest the relevance of the expression of the KP enzymes in brain tumor pathogenesis.
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22
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Zhang S, Chen S, Wang Z, Li J, Yuan Y, Feng W, Li W, Chen M, Liu Y. Prognosis prediction and tumor immune microenvironment characterization based on tryptophan metabolism-related genes signature in brain glioma. Front Pharmacol 2022; 13:1061597. [PMID: 36386216 PMCID: PMC9663932 DOI: 10.3389/fphar.2022.1061597] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 10/21/2022] [Indexed: 11/02/2023] Open
Abstract
Glioma is the most common malignant tumor in the central nervous system with no significant therapeutic breakthrough in recent years. Most attempts to apply immunotherapy in glioma have failed. Tryptophan and its metabolism can regulate malignant features of cancers and reshape immune microenvironment of tumors. However, the role of tryptophan metabolism in glioma remains unclear. In current study, we explored the relationships between the expression pattern of tryptophan metabolism-related genes (TrMGs) and tumor characteristics, including prognosis and tumor microenvironment of gliomas through analyzing 1,523 patients' samples from multiple public databases and our own cohort. Based on expression of TrMGs, K-means clustering analysis stratified all glioma patients into two clusters with significantly different TrMG expression patterns, clinicopathological features and immune microenvironment. Furthermore, we constructed a tryptophan metabolism-related genes signature (TrMRS) based on seven essential TrMGs to classify the patients into TrMRS low- and high-risk groups and validated the prognostic value of the TrMRS in multiple cohorts. Higher TrMRS represented for potentially more active tryptophan catabolism, which could subsequently lead to less tryptophan in tumor. The TrMRS high-risk group presented with shorter overall survival, and further analysis confirmed TrMRS as an independent prognostic factor in gliomas. The nomograms uniting TrMRS with other prognostic factors manifested with satisfactory efficacy in predicting the prognosis of glioma patients. Additionally, analyses of tumor immune landscapes demonstrated that higher TrMRS was correlated with more immune cell infiltration and "hot" immunological phenotype. TrMRS was also demonstrated to be positively correlated with the expression of multiple immunotherapy targets, including PD1 and PD-L1. Finally, the TrMRS high-risk group manifested better predicted response to immune checkpoint inhibitors. In conclusion, our study illustrated the relationships between expression pattern of TrMGs and characteristics of gliomas, and presented a novel model based on TrMRS for prognosis prediction in glioma patients. The association between TrMRS and tumor immune microenvironment of gliomas indicated an important role of tryptophan and its metabolism in reshaping immune landscape and the potential ability to guide the application of immunotherapy for gliomas.
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Affiliation(s)
- Shuxin Zhang
- Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
- Department of Head and Neck Surgery, Sichuan Cancer Hospital and Institute, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Siliang Chen
- Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Zhihao Wang
- Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Junhong Li
- Department of Neurosurgery, Chengdu Second People’s Hospital, Chengdu, Sichuan, China
| | - Yunbo Yuan
- Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Wentao Feng
- Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Wenhao Li
- Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Mina Chen
- State Key Laboratory of Biotherapy, Neuroscience and Metabolism Research, West China Hospital, Sichuan University, Chengdu, China
| | - Yanhui Liu
- Department of Neurosurgery, West China Hospital of Sichuan University, Chengdu, Sichuan, China
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23
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Zhang D, Ning J, Ramprasath T, Yu C, Zheng X, Song P, Xie Z, Zou MH. Kynurenine promotes neonatal heart regeneration by stimulating cardiomyocyte proliferation and cardiac angiogenesis. Nat Commun 2022; 13:6371. [PMID: 36289221 PMCID: PMC9606021 DOI: 10.1038/s41467-022-33734-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 09/29/2022] [Indexed: 12/25/2022] Open
Abstract
Indoleamine 2,3 dioxygenase-1 (IDO1) catalyzes tryptophan-kynurenine metabolism in many inflammatory and cancer diseases. Of note, acute inflammation that occurs immediately after heart injury is essential for neonatal cardiomyocyte proliferation and heart regeneration. However, the IDO1-catalyzed tryptophan metabolism during heart regeneration is largely unexplored. Here, we find that apical neonatal mouse heart resection surgery led to rapid and consistent increases in cardiac IDO1 expression and kynurenine accumulation. Cardiac deletion of Ido1 gene or chemical inhibition of IDO1 impairs heart regeneration. Mechanistically, elevated kynurenine triggers cardiomyocyte proliferation by activating the cytoplasmic aryl hydrocarbon receptor-SRC-YAP/ERK pathway. In addition, cardiomyocyte-derived kynurenine transports to endothelial cells and stimulates cardiac angiogenesis by promoting aryl hydrocarbon receptor nuclear translocation and enhancing vascular endothelial growth factor A expression. Notably, Ahr deletion prevents indoleamine 2,3 dioxygenase -kynurenine-associated heart regeneration. In summary, increasing indoleamine 2,3 dioxygenase-derived kynurenine level promotes cardiac regeneration by functioning as an endogenous regulator of cardiomyocyte proliferation and cardiac angiogenesis.
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Affiliation(s)
- Donghong Zhang
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA
| | - Jinfeng Ning
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA
| | - Tharmarajan Ramprasath
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA
| | - Changjiang Yu
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA
| | - Xiaoxu Zheng
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA
| | - Ping Song
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA
| | - Zhonglin Xie
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA
| | - Ming-Hui Zou
- Center for Molecular and Translational Medicine, Georgia State University, 157 Decatur Street North East, Atlanta, GA, 30303, USA.
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24
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Hu Y, Liu Z, Tang H. Tryptophan 2,3-dioxygenase may be a potential prognostic biomarker and immunotherapy target in cancer: A meta-analysis and bioinformatics analysis. Front Oncol 2022; 12:977640. [PMID: 36263228 PMCID: PMC9574363 DOI: 10.3389/fonc.2022.977640] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/14/2022] [Indexed: 12/12/2022] Open
Abstract
Background Tryptophan 2,3-dioxygenase (TDO2) is one of the emerging immune checkpoints. Meanwhile, TDO2 is also a key enzyme in the tryptophan (Trp)–kynurenine (Kyn) signaling pathway. Many studies have evaluated that TDO2 is highly expressed in various malignant tumor patients and plays a prognostic role. However, the sample size of a single prognostic study was small, and the results were still controversial. Methods We used Stata software and referenced the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) statement to conduct a meta-analysis on TDO2 and its clinical features and prognosis. We searched the PubMed, Cochrane Library, and Web of Science databases to find publications concerning TDO2 expression in malignant tumor patients up to June 2021. We used the Newcastle–Ottawa Scale (NOS) to evaluate the bias risk of the included literature. Risk ratios (RRs) and hazard ratios (HRs) were used for clinical outcomes, specifically overall survival (OS) and progression-free survival (PFS). In addition, we used data from The Cancer Genome Atlas (TCGA) to verify our conclusions. Results Nine studies including 667 patients with malignant tumors were identified. Our results suggested that overexpression of TDO2 was statistically correlated with poor OS and poor PFS (HR = 2.58, 95% CI = 1.52–4.40, p = 0.0005; HR = 2.38, 95% CI = 0.99–5.73, p = 0.05). In terms of clinicopathological characteristics, the overexpression level of TDO2 was statistically correlated with TNM (tumor–node–metastasis) stage (RR = 0.65, 95% CI = 0.48–0.89, p = 0.002) and regional lymph node metastasis (RR = 0.76, 95% CI = 0.59–0.99, p = 0.04). Subgroup analysis revealed the potential sources of heterogeneity. In addition, bioinformatics studies suggested that the level of TDO2 was high in malignant tumors and higher in cancer tissue than in matched paracarcinoma tissue. Gene enrichment analysis showed that TDO2 was closely related to immune response. Conclusion Overall, TDO2 may be a biomarker for the survival and prognosis of patients with malignant tumors and a potential therapeutic target in the future. Systematic Review Registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=260442, identifier (CRD42021260442)
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Affiliation(s)
- Yanyan Hu
- Department of Gastroenterology, The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Zhongjian Liu
- Department of Gastroenterology, The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
- Medical School, Kunming University of Science and Technology, Kunming, China
| | - Hui Tang
- Department of Gastroenterology, The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
- Medical School, Kunming University of Science and Technology, Kunming, China
- *Correspondence: Hui Tang,
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25
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Qian M, Xia Y, Zhang G, Yu H, Cui Y. Research progress on microRNA-1258 in the development of human cancer. Front Oncol 2022; 12:1024234. [PMID: 36249037 PMCID: PMC9556982 DOI: 10.3389/fonc.2022.1024234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 09/16/2022] [Indexed: 11/24/2022] Open
Abstract
microRNAs (miRNAs) are small endogenous RNAs composed of 20-22 nucleotides that do not encode proteins, which regulate the expression of downstream genes by targeting the 3' untranslated region of mRNA. Plentiful research has demonstrated that miRNAs participate in the initiation and development of diverse diseases and malignant tumors. miR-1258 exerts great influence on tumors, including tumor growth, distant metastasis, migration, invasion, chemosensitivity, cell glycolysis, apoptosis, and stemness. Interestingly, miR-1258 is a miRNA with explicit functions and has been investigated to act as a tumor suppressor in studies on various types of tumors. With accumulating research on miR-1258, it has been found to be used as a biomarker in the early diagnosis and prognosis prediction of tumor patients. In this review, we outline the development of miR-1258 research, describe its regulatory network, and discuss its roles in cancer. Additionally, we generalize the potential clinical applications of miR-1258. This review offers emerging perspectives and orientations for further comprehending the function of miR-1258 as a diagnostic and prognostic biomarker and potent therapeutic target in cancer.
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26
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Liang J, Li T, Zhao J, Wang C, Sun H. Current understanding of the human microbiome in glioma. Front Oncol 2022; 12:781741. [PMID: 36003766 PMCID: PMC9393498 DOI: 10.3389/fonc.2022.781741] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 07/11/2022] [Indexed: 11/17/2022] Open
Abstract
There is mounting evidence that the human microbiome is highly associated with a wide variety of central nervous system diseases. However, the link between the human microbiome and glioma is rarely noticed. The exact mechanism of microbiota to affect glioma remains unclear. Recent studies have demonstrated that the microbiome may affect the development, progress, and therapy of gliomas, including the direct impacts of the intratumoral microbiome and its metabolites, and the indirect effects of the gut microbiome and its metabolites. Glioma-related microbiome (gut microbiome and intratumoral microbiome) is associated with both tumor microenvironment and tumor immune microenvironment, which ultimately influence tumorigenesis, progression, and responses to treatment. In this review, we briefly summarize current knowledge regarding the role of the glioma-related microbiome, focusing on its gut microbiome fraction and a brief description of the intratumoral microbiome, and put forward the prospects in which microbiome can be applied in the future and some challenges still need to be solved.
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Affiliation(s)
- Jianhao Liang
- Neurosurgery Center, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Ting Li
- Neurosurgery Center, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Jiajia Zhao
- Neurosurgery Center, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Cheng Wang
- Neurosurgery Center, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Haitao Sun
- Neurosurgery Center, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, The Neurosurgery Institute of Guangdong Province, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Department of Laboratory Medicine, Clinical Biobank Center, Microbiome Medicine Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Southern Medical University, Guangzhou, China
- *Correspondence: Haitao Sun,
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27
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Abd El-Fattah EE. IDO/kynurenine pathway in cancer: possible therapeutic approaches. Lab Invest 2022; 20:347. [PMID: 35918736 PMCID: PMC9344609 DOI: 10.1186/s12967-022-03554-w] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 07/25/2022] [Indexed: 11/10/2022]
Abstract
Cancer is one of the leading causes of death in both men and women worldwide. One of the main changes associated with cancer progression, metastasis, recurrence, and chemoresistance is the change in the tumor immune microenvironment, especially immunosuppression. Cancer immunosuppression appears in multiple forms, such as inhibition of immuno-stimulant cells with downregulation of immuno-stimulant mediators or through stimulation of immuno-suppressive cells with upregulation of immunosuppressive mediators. One of the most immunosuppressive mediators that approved potency in lung cancer progression is indoleamine 2,3-dioxygenase (IDO) and its metabolite kynurenine (Kyn). The current review tries to elucidate the role of IDO/Kyn on cancer proliferation, apoptosis, angiogenesis, oxidative stress, and cancer stemness. Besides, our review investigates the new therapeutic modalities that target IDO/Kyn pathway and thus as drug candidates for targeting lung cancer and drugs that potentiate IDO/Kyn pathway and thus can be cancer-promoting agents.
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Affiliation(s)
- Eslam E Abd El-Fattah
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt.
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28
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Fan C, Wu Y, Rui X, Yang Y, Ling C, Liu S, Liu S, Wang Y. Animal models for COVID-19: advances, gaps and perspectives. Signal Transduct Target Ther 2022; 7:220. [PMID: 35798699 PMCID: PMC9261903 DOI: 10.1038/s41392-022-01087-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/20/2022] [Accepted: 06/27/2022] [Indexed: 01/08/2023] Open
Abstract
COVID-19, caused by SARS-CoV-2, is the most consequential pandemic of this century. Since the outbreak in late 2019, animal models have been playing crucial roles in aiding the rapid development of vaccines/drugs for prevention and therapy, as well as understanding the pathogenesis of SARS-CoV-2 infection and immune responses of hosts. However, the current animal models have some deficits and there is an urgent need for novel models to evaluate the virulence of variants of concerns (VOC), antibody-dependent enhancement (ADE), and various comorbidities of COVID-19. This review summarizes the clinical features of COVID-19 in different populations, and the characteristics of the major animal models of SARS-CoV-2, including those naturally susceptible animals, such as non-human primates, Syrian hamster, ferret, minks, poultry, livestock, and mouse models sensitized by genetically modified, AAV/adenoviral transduced, mouse-adapted strain of SARS-CoV-2, and by engraftment of human tissues or cells. Since understanding the host receptors and proteases is essential for designing advanced genetically modified animal models, successful studies on receptors and proteases are also reviewed. Several improved alternatives for future mouse models are proposed, including the reselection of alternative receptor genes or multiple gene combinations, the use of transgenic or knock-in method, and different strains for establishing the next generation of genetically modified mice.
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Affiliation(s)
- Changfa Fan
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Yong Wu
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Xiong Rui
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
- Department of Microbiology & Infectious Disease Center, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100083, China
| | - Yuansong Yang
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Chen Ling
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
- College of Life Sciences, Northwest University; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, 710069, China
| | - Susu Liu
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Shunan Liu
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Youchun Wang
- Division of HIV/AIDS and Sexually Transmitted Virus Vaccines, Institute for Biological Product Control, National Institutes for Food and Drug Control (NIFDC), Beijing, China.
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Nguyen TT, Shin DH, Sohoni S, Singh SK, Rivera-Molina Y, Jiang H, Fan X, Gumin J, Lang FF, Alvarez-Breckenridge C, Godoy-Vitorino F, Zhu L, Zheng WJ, Zhai L, Ladomersky E, Lauing KL, Alonso MM, Wainwright DA, Gomez-Manzano C, Fueyo J. Reshaping the tumor microenvironment with oncolytic viruses, positive regulation of the immune synapse, and blockade of the immunosuppressive oncometabolic circuitry. J Immunother Cancer 2022; 10:e004935. [PMID: 35902132 PMCID: PMC9341188 DOI: 10.1136/jitc-2022-004935] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Oncolytic viruses are considered part of immunotherapy and have shown promise in preclinical experiments and clinical trials. Results from these studies have suggested that tumor microenvironment remodeling is required to achieve an effective response in solid tumors. Here, we assess the extent to which targeting specific mechanisms underlying the immunosuppressive tumor microenvironment optimizes viroimmunotherapy. METHODS We used RNA-seq analyses to analyze the transcriptome, and validated the results using Q-PCR, flow cytometry, and immunofluorescence. Viral activity was analyzed by replication assays and viral titration. Kyn and Trp metabolite levels were quantified using liquid chromatography-mass spectrometry. Aryl hydrocarbon receptor (AhR) activation was analyzed by examination of promoter activity. Therapeutic efficacy was assessed by tumor histopathology and survival in syngeneic murine models of gliomas, including Indoleamine 2,3-dioxygenase (IDO)-/- mice. Flow cytometry was used for immunophenotyping and quantification of cell populations. Immune activation was examined in co-cultures of immune and cancer cells. T-cell depletion was used to identify the role played by specific cell populations. Rechallenge experiments were performed to identify the development of anti-tumor memory. RESULTS Bulk RNA-seq analyses showed the activation of the immunosuppressive IDO-kynurenine-AhR circuitry in response to Delta-24-RGDOX infection of tumors. To overcome the effect of this pivotal pathway, we combined Delta-24-RGDOX with clinically relevant IDO inhibitors. The combination therapy increased the frequency of CD8+ T cells and decreased the rate of myeloid-derived suppressor cell and immunosupressive Treg tumor populations in animal models of solid tumors. Functional studies demonstrated that IDO-blockade-dependent activation of immune cells against tumor antigens could be reversed by the oncometabolite kynurenine. The concurrent targeting of the effectors and suppressors of the tumor immune landscape significantly prolonged the survival in animal models of orthotopic gliomas. CONCLUSIONS Our data identified for the first time the in vivo role of IDO-dependent immunosuppressive pathways in the resistance of solid tumors to oncolytic adenoviruses. Specifically, the IDO-Kyn-AhR activity was responsible for the resurface of local immunosuppression and resistance to therapy, which was ablated through IDO inhibition. Our data indicate that combined molecular and immune therapy may improve outcomes in human gliomas and other cancers treated with virotherapy.
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Affiliation(s)
- Teresa T Nguyen
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
| | - Dong Ho Shin
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
| | - Sagar Sohoni
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Sanjay K Singh
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yisel Rivera-Molina
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Hong Jiang
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Xuejun Fan
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Joy Gumin
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Frederick F Lang
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | | | - Filipa Godoy-Vitorino
- Department of Microbiology and Medical Zoology, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
| | - Lisha Zhu
- The University of Texas Health Science Center at Houston School of Biomedical Informatics, Houston, Texas, USA
| | - W Jim Zheng
- The University of Texas Health Science Center at Houston School of Biomedical Informatics, Houston, Texas, USA
| | - Lijie Zhai
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Erik Ladomersky
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Kristen L Lauing
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Marta M Alonso
- Pediatrics, Clínica Universidad de Navarra, Pamplona, Spain
- Program of Solid Tumors, CIMA, Pamplona, Spain
| | - Derek A Wainwright
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
- Department of Medicine-Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Candelaria Gomez-Manzano
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
| | - Juan Fueyo
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
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Behnam M, Motamedzadeh A, Aalinezhad M, Dadgostar E, Rashidi Noshabad FZ, Pourfridoni M, Raei M, Mirzaei H, Aschner M, Tamtaji OR. The role of aquaporin 4 in brain tumors: implications for pathophysiology, diagnosis and therapy. Mol Biol Rep 2022; 49:10609-10615. [PMID: 35715607 DOI: 10.1007/s11033-022-07656-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 11/24/2022]
Abstract
Primary brain tumors are a heterogeneous group of tumors that arise from cells intrinsic to the central nervous system (CNS). Aquaporin-4 (AQP4) has been implicated in the pathogenesis of brain tumors. Previous reports have documented a relationship between AQP4 and several molecular pathways associated with the etiology of brain tumors, such as apoptosis, invasion and cell migration. AQP4 affects apoptosis via cytochrome C, Bad and Bcl-2, as well as invasion and migration via IDO1/TDO-Kyn-AhR axis, lncRNA LINC00461, miR-216a, miRNA-320a and MMPs. In addition, inhibition of AQP4 mitigates the progression of brain tumors. This review summarizes current knowledge and evidence regarding the relationship between AQP4 and brain tumors, and the mechanisms involved.
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Affiliation(s)
- Mohammad Behnam
- Student Research Committee, Kashan University of Medical Sciences, Kashan, I.R. of Iran
| | - Alireza Motamedzadeh
- Department of Internal Medicine, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, I.R. of Iran
| | - Marzieh Aalinezhad
- Department of Radiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, I.R. of Iran
| | - Ehsan Dadgostar
- Behavioral Sciences Research Center, Isfahan University of Medical Sciences, Isfahan, I.R. of Iran.,Student Research Committee, Isfahan University of Medical Sciences, Isfahan, I.R. of Iran
| | | | - Mohammad Pourfridoni
- Student Research Committee, Jiroft University of Medical Sciences, Jiroft, I.R. of Iran
| | - Maedeh Raei
- Faculty of Medicine, Sari Branch, Islamic Azad University, Sari, I.R. of Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. of Iran.
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 10461, Bronx, NY, USA
| | - Omid Reza Tamtaji
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, I.R. of Iran. .,Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, I.R. of Iran.
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Ma W, Ye L, Zhong C, Li J, Ye F, Lv L, Yu Y, Jiang S, Zhou P. Kynurenine produced by tryptophan 2,3-dioxygenase metabolism promotes glioma progression through an aryl hydrocarbon receptor-dependent signaling pathway. Cell Biol Int 2022; 46:1577-1587. [PMID: 35702760 DOI: 10.1002/cbin.11833] [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: 09/30/2021] [Revised: 04/17/2022] [Accepted: 05/14/2022] [Indexed: 02/05/2023]
Abstract
The current studies associated with tumor biology continue to describe a high correlation between tryptophan (Trp) metabolism and tumor progression. These findings reflect the complex underlying mechanism of tumor development and highlight the need to explore additional drug targets for carcinoma-associated diseases. In our study, we reported that elevated Trp metabolism was observed in highly malignant glioma tumor tissues from patients. The elevated Trp metabolism in glioma cells were induced by the overexpression of Trp 2,3-dioxygenase 2 (TDO2), which further contributed to the production of the metabolite kynurenine (Kyn). Subsequently, the Kyn derived from Trp metabolism was able to mediate the activation of the aryl hydrocarbon receptor (AhR) and downstream PI3K/AKT signals, resulting in the strengthening of tumor stemness and growth. Meanwhile, the activation of the AhR could promote the process of epithelial-mesenchymal transition in gliomas through a TGF-β-dependent mechanism, leading to enhanced tumor invasion in vitro and in vivo. Inhibition of the AhR using StemRegenin 1 was demonstrated to suppress glioma growth and improve the outcome of traditional chemotherapy in subcutaneous tumor-bearing mice, representing a promising therapeutic target for clinical glioma treatment.
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Affiliation(s)
- Weichao Ma
- Department of neurosurgery, West China Hospital of Sichuan University, Chengdu City, Sichuan, China
| | - Lu Ye
- Department of Oral Medicine, State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Chuanhong Zhong
- Department of Neurosurgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jianguo Li
- Department of neurosurgery, West China Hospital of Sichuan University, Chengdu City, Sichuan, China
| | - Feng Ye
- Department of neurosurgery, People's Hospital of Deyang, Deyang, Sichuan, China
| | - Liang Lv
- Department of neurosurgery, West China Hospital of Sichuan University, Chengdu City, Sichuan, China
| | - Yang Yu
- Department of neurosurgery, West China Hospital of Sichuan University, Chengdu City, Sichuan, China
| | - Shu Jiang
- Department of neurosurgery, West China Hospital of Sichuan University, Chengdu City, Sichuan, China
| | - Peizhi Zhou
- Department of neurosurgery, West China Hospital of Sichuan University, Chengdu City, Sichuan, China
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Obara-Michlewska M. The tryptophan metabolism, kynurenine pathway and oxidative stress - Implications for glioma pathobiology. Neurochem Int 2022; 158:105363. [PMID: 35667490 DOI: 10.1016/j.neuint.2022.105363] [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: 03/16/2021] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 10/18/2022]
Abstract
The kynurenine pathway receives increasing attention due to its involvement in central nervous system pathologies, i.a. neurodegenerative and psychiatric disorders, but also due to the contribution to the pathomechanism of neoplasms, including brain tumors.The present review focuses on kynurenine pathway activity in gliomas, brain tumors of glial origin. The upregulation of kynurenine pathway enzyme, indoleamine 2,3-dioxygenase (IDO), resulting in a decreased level of tryptophan and augmented kynurenine synthesis (increased (KYN/Trp ratio) are the most recognised hallmark of malignant transformation, characterised with immunomodulatory adaptations, providing an escape from defence mechanisms of the host, growth-beneficial milieu and resistance to some therapeutics. The review addresses, however, the oxidative/nitrosative stress-associated mechanisms of tryptophan catabolism, mainly the kynurenine pathway activity, linking them with glioma pathobiology.
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Affiliation(s)
- Marta Obara-Michlewska
- Department of Neurotoxicology, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland.
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Ye J, Hou B, Chen F, Zhang S, Xiong M, Li T, Xu Y, Xu Z, Yu H. Bispecific prodrug nanoparticles circumventing multiple immune resistance mechanisms for promoting cancer immunotherapy. Acta Pharm Sin B 2022; 12:2695-2709. [PMID: 35755274 PMCID: PMC9214055 DOI: 10.1016/j.apsb.2021.09.021] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/30/2021] [Accepted: 09/07/2021] [Indexed: 12/15/2022] Open
Abstract
Cancer immunotherapy is impaired by the intrinsic and adaptive immune resistance. Herein, a bispecific prodrug nanoparticle was engineered for circumventing immune evasion of the tumor cells by targeting multiple immune resistance mechanisms. A disulfide bond-linked bispecific prodrug of NLG919 and JQ1 (namely NJ) was synthesized and self-assembled into a prodrug nanoparticle, which was subsequently coated with a photosensitizer-modified and tumor acidity-activatable diblock copolymer PHP for tumor-specific delivery of NJ. Upon tumor accumulation via passive tumor targeting, the polymeric shell was detached for facilitating intracellular uptake of the bispecific prodrug. NJ was then activated inside the tumor cells for releasing JQ1 and NLG919 via glutathione-mediated cleavage of the disulfide bond. JQ1 is a bromodomain-containing protein 4 inhibitor for abolishing interferon gamma-triggered expression of programmed death ligand 1. In contrast, NLG919 suppresses indoleamine-2,3-dioxygenase 1-mediated tryptophan consumption in the tumor microenvironment, which thus restores robust antitumor immune responses. Photodynamic therapy (PDT) was performed to elicit antitumor immunogenicity by triggering immunogenic cell death of the tumor cells. The combination of PDT and the bispecific prodrug nanoparticle might represent a novel strategy for blockading multiple immune evasion pathways and improving cancer immunotherapy.
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Goutnik M, Lucke-Wold B. Commentary: Evaluating potential glioma serum biomarkers, with future applications. World J Clin Oncol 2022; 13:412-416. [PMID: 35662986 PMCID: PMC9153077 DOI: 10.5306/wjco.v13.i5.412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 03/15/2022] [Accepted: 05/14/2022] [Indexed: 02/06/2023] Open
Abstract
Systemic inflammation within malignant glioma is a topic of ongoing significance. In this commentary, we highlight recent findings from Gandhi et al and discuss alternative approaches. We present a counter argument with findings that IL-6 markers are controversial. We highlight the potential benefit of looking at microRNAs and other biomarkers. Finally, we present ideas for future application involving differentiation between radiation necrosis and recurrence. The commentary is intended to serve as a catalyst for further scientific discovery.
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Affiliation(s)
- Michael Goutnik
- Department of Neurosurgery, University of Florida, Gainesville, FL 32608, United States
| | - Brandon Lucke-Wold
- Department of Neurosurgery, University of Florida, Gainesville, FL 32608, United States
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35
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Chen Y, Chen J, Guo D, Yang P, Chen S, Zhao C, Xu C, Zhang Q, Lin C, Zhong S, Zhang S. Tryptophan Metabolites as Biomarkers for Esophageal Cancer Susceptibility, Metastasis, and Prognosis. Front Oncol 2022; 12:800291. [PMID: 35296014 PMCID: PMC8918692 DOI: 10.3389/fonc.2022.800291] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/05/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Perturbation of tryptophan (TRP) metabolism contributes to the immune escape of cancer; however, the explored TRP metabolites are limited, and their efficacy in clarifying the susceptibility and progression of esophageal cancer (EC) remains ambiguous. Our study sought to evaluate the effects of the TRP metabolic profile on the clinical outcomes of EC using a Chinese population cohort; and to develop a risk prediction model targeting TRP metabolism. METHOD A total of 456 healthy individuals as control subjects and 393 patients with EC who were followed up for one year as case subjects were enrolled. Quantification of the plasma concentrations of TRP and its metabolites was performed using HPLC-MS/MS. The logistic regression model was applied to evaluate the effects of the clinical characteristics and plasma metabolites of the subjects on susceptibility and tumor metastasis events, whereas Cox regression analysis was performed to assess the overall survival (OS) of the patients. RESULTS Levels of creatinine and liver enzymes were substantially correlated with multiple metabolites/metabolite ratios in TRP metabolism, suggesting that hepatic and renal function would exert effects on TRP metabolism. Age- and sex-matched case-control subjects were selected using propensity score matching. Plasma exposure to 5-HT was found to be elevated 3.94-fold in case subjects (N = 166) compared to control subjects (N = 203), achieving an AUC of 0.811 for predicting susceptibility event. Subsequent correlation analysis indicated that a higher plasma exposure to 5-HIAA significantly increased the risk of lymph node metastasis (OR: 2.16, p = 0.0114). Furthermore, it was figured out that OS was significantly shorter for patients with elevated XA/KYN ratio (HR: 1.99, p = 0.0016), in which medium and high levels of XA/KYN versus low level had a significantly lower OS (HR: 0.48, p = 0.0080 and HR: 0.42, p = 0.0031, respectively). CONCLUSION This study provides a pivotal basis for targeting endogenous TRP metabolism as a potential therapeutic intervention.
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Affiliation(s)
- Yun Chen
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Jianliang Chen
- Clinical Laboratory, Cancer Hospital of Shantou University Medical College, Shantou, China
| | - Dainian Guo
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Shantou, China
| | - Peixuan Yang
- Health Management Center, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Shuang Chen
- Department of Pharmacology, Shantou University Medical College, Shantou, China;Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Chengkuan Zhao
- Department of Pharmacology, Shantou Chaonan Minsheng Hospital, Shantou, China
| | - Chengcheng Xu
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
- Department of Pharmacology, Shantou University Medical College, Shantou, China
| | - Qiuzhen Zhang
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
- Department of Pharmacology, Shantou University Medical College, Shantou, China
| | - Chaoxian Lin
- Department of Pharmacology, Shantou Chaonan Minsheng Hospital, Shantou, China
| | - Shilong Zhong
- Department of Pharmacology, Shantou University Medical College, Shantou, China
- Department of Pharmacy, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Shuyao Zhang
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
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Yang K, Wu Z, Zhang H, Zhang N, Wu W, Wang Z, Dai Z, Zhang X, Zhang L, Peng Y, Ye W, Zeng W, Liu Z, Cheng Q. Glioma targeted therapy: insight into future of molecular approaches. Mol Cancer 2022; 21:39. [PMID: 35135556 PMCID: PMC8822752 DOI: 10.1186/s12943-022-01513-z] [Citation(s) in RCA: 259] [Impact Index Per Article: 129.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 01/12/2022] [Indexed: 12/13/2022] Open
Abstract
Gliomas are the common type of brain tumors originating from glial cells. Epidemiologically, gliomas occur among all ages, more often seen in adults, which males are more susceptible than females. According to the fifth edition of the WHO Classification of Tumors of the Central Nervous System (WHO CNS5), standard of care and prognosis of gliomas can be dramatically different. Generally, circumscribed gliomas are usually benign and recommended to early complete resection, with chemotherapy if necessary. Diffuse gliomas and other high-grade gliomas according to their molecule subtype are slightly intractable, with necessity of chemotherapy. However, for glioblastoma, feasible resection followed by radiotherapy plus temozolomide chemotherapy define the current standard of care. Here, we discuss novel feasible or potential targets for treatment of gliomas, especially IDH-wild type glioblastoma. Classic targets such as the p53 and retinoblastoma (RB) pathway and epidermal growth factor receptor (EGFR) gene alteration have met failure due to complex regulatory network. There is ever-increasing interest in immunotherapy (immune checkpoint molecule, tumor associated macrophage, dendritic cell vaccine, CAR-T), tumor microenvironment, and combination of several efficacious methods. With many targeted therapy options emerging, biomarkers guiding the prescription of a particular targeted therapy are also attractive. More pre-clinical and clinical trials are urgently needed to explore and evaluate the feasibility of targeted therapy with the corresponding biomarkers for effective personalized treatment options.
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Affiliation(s)
- Keyang Yang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,Xiangya School of Medicine, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhijing Wu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,Xiangya School of Medicine, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hao Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Nan Zhang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,One-Third Lab, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Wantao Wu
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Oncology, Xiangya Hospital, Central South University, Changsha, China
| | - Zeyu Wang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Ziyu Dai
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Xun Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Liyang Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yun Peng
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, China.,Teaching and Research Section of Clinical Nursing, Xiangya Hospital of Central South University, Changsha, China
| | - Weijie Ye
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Wenjing Zeng
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.,Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Zhixiong Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
| | - Quan Cheng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
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Zhao X, Jiang Y, Xu M, Hu J, Feng N, Deng H, Lu C, Huang T. Indoleamine 2,3-dioxygenase 1 regulates breast cancer tamoxifen resistance through interleukin-6/signal transducer and activator of transcription 3. Toxicol Appl Pharmacol 2022; 440:115921. [DOI: 10.1016/j.taap.2022.115921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/01/2022] [Accepted: 02/08/2022] [Indexed: 11/25/2022]
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Samanic CM, Yue Y, Cote DJ, Stampfer MJ, Wang M, McCann A, Midttun Ø, Ueland PM, Smith-Warner SA, Egan KM. A prospective study of pre-diagnostic circulating tryptophan and kynurenine, and the kynurenine/tryptophan ratio and risk of glioma. Cancer Epidemiol 2022; 76:102075. [PMID: 34871928 PMCID: PMC8855958 DOI: 10.1016/j.canep.2021.102075] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 11/04/2021] [Accepted: 11/18/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND Conversion of tryptophan to kynurenine may promote glioma growth and suppress antitumor immune response through activation of the aryl hydrocarbon receptor. Expression of the enzymes indoleamine 2,3-dioxygenase and tryptophan 2,3-dioxygenase-2 in the glioma microenvironment has been shown to mediate tryptophan catabolism, and the ratio between kynurenine and tryptophan is considered an indirect measure of this enzyme activity. METHODS We explored whether tryptophan, kynurenine, and the ratio of kynurenine to tryptophan (KTR) in pre-diagnostic blood samples was related to risk of glioma in a nested case-control study of 84 cases and 168 matched controls from two cohort studies - the Nurses' Health Study, and the Health Professionals Follow-Up Study. Tryptophan and kynurenine were measured by liquid chromatography-tandem mass spectrometry. Conditional logistic regression models were used to estimate risk ratios (RRs) and 95% confidence intervals (95%CI) for the associations between tertiles of these analytes and glioma risk. RESULTS We observed no significant associations for either analyte or the ratio for risk of glioma overall. The RR for the highest KTR tertile compared to the lowest for all gliomas was 0.74 (95% CI: 0.34-1.59). All results were essentially unchanged in lagged analyses excluding the first two or four years of follow up, though data were sparse. CONCLUSION Our findings do not provide support for an association between pre-diagnostic circulating KTR and risk of glioma.
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Affiliation(s)
| | - Yiyang Yue
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA
| | - David J. Cote
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA,Channing Division of Network Medicine, Department of Medicine, Harvard Medical School, Boston, MA
| | - Meir J. Stampfer
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA,Channing Division of Network Medicine, Department of Medicine, Harvard Medical School, Boston, MA
| | - Molin Wang
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA,Channing Division of Network Medicine, Department of Medicine, Harvard Medical School, Boston, MA
| | - Adrian McCann
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway,Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | - Øivind Midttun
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway,Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | - Per Magne Ueland
- Department of Clinical Science, University of Bergen, N-5021 Bergen, Norway,Laboratory of Clinical Biochemistry, Haukeland University Hospital, Bergen, Norway
| | - Stephanie A. Smith-Warner
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Kathleen M. Egan
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center, Tampa, FL,To whom correspondence should be addressed: Kathleen M. Egan, ScD, Department of Cancer Epidemiology, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612, USA,
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Kynurenine Pathway Metabolites as Biomarkers in Alzheimer’s Disease. DISEASE MARKERS 2022; 2022:9484217. [PMID: 35096208 PMCID: PMC8791723 DOI: 10.1155/2022/9484217] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/21/2021] [Accepted: 12/31/2021] [Indexed: 12/11/2022]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disorder that deteriorates cognitive function. Patients with AD generally exhibit neuroinflammation, elevated beta-amyloid (Aβ), tau phosphorylation (p-tau), and other pathological changes in the brain. The kynurenine pathway (KP) and several of its metabolites, especially quinolinic acid (QA), are considered to be involved in the neuropathogenesis of AD. The important metabolites and key enzymes show significant importance in neuroinflammation and AD. Meanwhile, the discovery of changed levels of KP metabolites in patients with AD suggests that KP metabolites may have a prominent role in the pathogenesis of AD. Further, some KP metabolites exhibit other effects on the brain, such as oxidative stress regulation and neurotoxicity. Both analogs of the neuroprotective and antineuroinflammation metabolites and small molecule enzyme inhibitors preventing the formation of neurotoxic and neuroinflammation compounds may have potential therapeutic significance. This review focused on the KP metabolites through the relationship of neuroinflammation in AD, significant KP metabolites, and associated molecular mechanisms as well as the utility of these metabolites as biomarkers and therapeutic targets for AD. The objective is to provide references to find biomarkers and therapeutic targets for patients with AD.
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40
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Song X, Si Q, Qi R, Liu W, Li M, Guo M, Wei L, Yao Z. Indoleamine 2,3-Dioxygenase 1: A Promising Therapeutic Target in Malignant Tumor. Front Immunol 2022; 12:800630. [PMID: 35003126 PMCID: PMC8733291 DOI: 10.3389/fimmu.2021.800630] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 12/03/2021] [Indexed: 12/13/2022] Open
Abstract
Tumorigenesis is a complex multifactorial and multistep process in which tumors can utilize a diverse repertoire of immunosuppressive mechanisms to evade host immune attacks. The degradation of tryptophan into immunosuppressive kynurenine is considered an important immunosuppressive mechanism in the tumor microenvironment. There are three enzymes, namely, tryptophan 2,3-dioxygenase (TDO), indoleamine 2,3-dioxygenase 1 (IDO1), and indoleamine 2,3-dioxygenase 2 (IDO2), involved in the metabolism of tryptophan. IDO1 has a wider distribution and higher activity in catalyzing tryptophan than the other two; therefore, it has been studied most extensively. IDO1 is a cytosolic monomeric, heme-containing enzyme, which is now considered an authentic immune regulator and represents one of the promising drug targets for tumor immunotherapy. Collectively, this review highlights the regulation of IDO1 gene expression and the ambivalent mechanisms of IDO1 on the antitumoral immune response. Further, new therapeutic targets via the regulation of IDO1 are discussed. A comprehensive analysis of the expression and biological function of IDO1 can help us to understand the therapeutic strategies of the inhibitors targeting IDO1 in malignant tumors.
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Affiliation(s)
- Xiaotian Song
- Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, China
| | - Qianqian Si
- Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, China
| | - Rui Qi
- Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, China
| | - Weidan Liu
- Department of Clinical Laboratory, The People's Hospital, Pingxiang County, Xingtai, China
| | - Miao Li
- Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, China
| | - Mengyue Guo
- Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, China
| | - Lin Wei
- Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, China
| | - Zhiyan Yao
- Department of Immunology, Hebei Medical University, Shijiazhuang, China.,Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, China
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41
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Lemberg KM, Gori SS, Tsukamoto T, Rais R, Slusher BS. Clinical development of metabolic inhibitors for oncology. J Clin Invest 2022; 132:e148550. [PMID: 34981784 PMCID: PMC8718137 DOI: 10.1172/jci148550] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Metabolic inhibitors have been used in oncology for decades, dating back to antimetabolites developed in the 1940s. In the past 25 years, there has been increased recognition of metabolic derangements in tumor cells leading to a resurgence of interest in targeting metabolism. More recently there has been recognition that drugs targeting tumor metabolism also affect the often acidic, hypoxic, immunosuppressive tumor microenvironment (TME) and non-tumor cell populations within it, including immune cells. Here we review small-molecule metabolic inhibitors currently in clinical development for oncology applications. For each agent, we evaluate the preclinical studies demonstrating antitumor and TME effects and review ongoing clinical trials. The goal of this Review is to provide an overview of the landscape of metabolic inhibitors in clinical development for oncology.
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Affiliation(s)
- Kathryn M. Lemberg
- Johns Hopkins Drug Discovery
- Department of Oncology and The Sidney Kimmel Comprehensive Cancer Center
| | | | - Takashi Tsukamoto
- Johns Hopkins Drug Discovery
- Department of Neurology
- Department of Pharmacology and Molecular Sciences
| | - Rana Rais
- Johns Hopkins Drug Discovery
- Department of Neurology
- Department of Pharmacology and Molecular Sciences
| | - Barbara S. Slusher
- Johns Hopkins Drug Discovery
- Department of Oncology and The Sidney Kimmel Comprehensive Cancer Center
- Department of Neurology
- Department of Pharmacology and Molecular Sciences
- Department of Medicine, and
- Department of Psychiatry and Behavioral Science, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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42
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Studzińska-Sroka E, Majchrzak-Celińska A, Zalewski P, Szwajgier D, Baranowska-Wójcik E, Kaproń B, Plech T, Żarowski M, Cielecka-Piontek J. Lichen-Derived Compounds and Extracts as Biologically Active Substances with Anticancer and Neuroprotective Properties. Pharmaceuticals (Basel) 2021; 14:ph14121293. [PMID: 34959693 PMCID: PMC8704315 DOI: 10.3390/ph14121293] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 11/28/2021] [Accepted: 12/06/2021] [Indexed: 01/21/2023] Open
Abstract
Lichens are a source of chemical compounds with valuable biological properties, structurally predisposed to penetration into the central nervous system (CNS). Hence, our research aimed to examine the biological potential of lipophilic extracts of Parmelia sulcata, Evernia prunastri, Cladonia uncialis, and their major secondary metabolites, in the context of searching for new therapies for CNS diseases, mainly glioblastoma multiforme (GBM). The extracts selected for the study were standardized for their content of salazinic acid, evernic acid, and (−)-usnic acid, respectively. The extracts and lichen metabolites were evaluated in terms of their anti-tumor activity, i.e., cytotoxicity against A-172 and T98G cell lines and anti-IDO1, IDO2, TDO activity, their anti-inflammatory properties exerted by anti-COX-2 and anti-hyaluronidase activity, antioxidant activity, and anti-acetylcholinesterase and anti-butyrylcholinesterase activity. The results of this study indicate that lichen-derived compounds and extracts exert significant cytotoxicity against GBM cells, inhibit the kynurenine pathway enzymes, and have anti-inflammatory properties and weak antioxidant and anti-cholinesterase properties. Moreover, evernic acid and (−)-usnic acid were shown to be able to cross the blood-brain barrier. These results demonstrate that lichen-derived extracts and compounds, especially (−)-usnic acid, can be regarded as prototypes of pharmacologically active compounds within the CNS, especially suitable for the treatment of GBM.
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Affiliation(s)
- Elżbieta Studzińska-Sroka
- Department of Pharmacognosy, Poznan University of Medical Sciences, Święcickiego 4, 60-781 Poznan, Poland; (P.Z.); (J.C.-P.)
- Correspondence:
| | - Aleksandra Majchrzak-Celińska
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, Święcickiego 4, 60-781 Poznan, Poland;
| | - Przemysław Zalewski
- Department of Pharmacognosy, Poznan University of Medical Sciences, Święcickiego 4, 60-781 Poznan, Poland; (P.Z.); (J.C.-P.)
| | - Dominik Szwajgier
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, 20-704 Lublin, Poland; (D.S.); (E.B.-W.)
| | - Ewa Baranowska-Wójcik
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, 20-704 Lublin, Poland; (D.S.); (E.B.-W.)
| | - Barbara Kaproń
- Department of Clinical Genetics, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
| | - Tomasz Plech
- Department of Pharmacology, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland;
| | - Marcin Żarowski
- Department of Developmental Neurology, Poznan University of Medical Sciences, Przybyszewski 49, 60-355 Poznan, Poland;
| | - Judyta Cielecka-Piontek
- Department of Pharmacognosy, Poznan University of Medical Sciences, Święcickiego 4, 60-781 Poznan, Poland; (P.Z.); (J.C.-P.)
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43
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Xu Y, Zhang H, Sun Q, Geng R, Yuan F, Liu B, Chen Q. Immunomodulatory Effects of Tryptophan Metabolism in the Glioma Tumor Microenvironment. Front Immunol 2021; 12:730289. [PMID: 34659216 PMCID: PMC8517402 DOI: 10.3389/fimmu.2021.730289] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/20/2021] [Indexed: 12/12/2022] Open
Abstract
Gliomas are the most common primary malignant tumor in adults’ central nervous system. While current research on glioma treatment is advancing rapidly, there is still no breakthrough in long-term treatment. Abnormalities in the immune regulatory mechanism in the tumor microenvironment are essential to tumor cell survival. The alteration of amino acid metabolism is considered a sign of tumor cells, significantly impacting tumor cells and immune regulation mechanisms in the tumor microenvironment. Despite the fact that the metabolism of tryptophan in tumors is currently discussed in the literature, we herein focused on reviewing the immune regulation of tryptophan metabolism in the tumor microenvironment of gliomas and analyzed possible immune targets. The objective is to identify potential targets for the treatment of glioma and improve the efficiency of immunotherapy.
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Affiliation(s)
- Yang Xu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Huikai Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Sun
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Rongxin Geng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fanen Yuan
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Baohui Liu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
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44
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Panitz V, Končarević S, Sadik A, Friedel D, Bausbacher T, Trump S, Farztdinov V, Schulz S, Sievers P, Schmidt S, Jürgenson I, Jung S, Kuhn K, Pflüger I, Sharma S, Wick A, Pfänder P, Selzer S, Vollmuth P, Sahm F, von Deimling A, Heiland I, Hopf C, Schulz-Knappe P, Pike I, Platten M, Wick W, Opitz CA. Tryptophan metabolism is inversely regulated in the tumor and blood of patients with glioblastoma. Am J Cancer Res 2021; 11:9217-9233. [PMID: 34646367 PMCID: PMC8490504 DOI: 10.7150/thno.60679] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 08/06/2021] [Indexed: 12/13/2022] Open
Abstract
Tryptophan (Trp)-catabolic enzymes (TCEs) produce metabolites that activate the aryl hydrocarbon receptor (AHR) and promote tumor progression and immunosuppression in glioblastoma. As therapies targeting TCEs or AHR become available, a better understanding of Trp metabolism is required. Methods: The combination of LC-MS/MS with chemical isobaric labeling enabled the simultaneous quantitative comparison of Trp and its amino group-bearing metabolites in multiple samples. We applied this method to the sera of a cohort of 43 recurrent glioblastoma patients and 43 age- and sex-matched healthy controls. Tumor volumes were measured in MRI data using an artificial neural network-based approach. MALDI MSI visualized Trp and its direct metabolite N-formylkynurenine (FK) in glioblastoma tissue. Analysis of scRNA-seq data was used to detect the presence of Trp metabolism and AHR activity in different cell types in glioblastoma. Results: Compared to healthy controls, glioblastoma patients showed decreased serum Trp levels. Surprisingly, the levels of Trp metabolites were also reduced. The decrease became smaller with more enzymatic steps between Trp and its metabolites, suggesting that Trp availability controls the levels of its systemic metabolites. High tumor volume associated with low systemic metabolite levels and low systemic kynurenine levels associated with worse overall survival. MALDI MSI demonstrated heterogeneity of Trp catabolism across glioblastoma tissues. Analysis of scRNA-seq data revealed that genes involved in Trp metabolism were expressed in almost all the cell types in glioblastoma and that most cell types, in particular macrophages and T cells, exhibited AHR activation. Moreover, high AHR activity associated with reduced overall survival in the glioblastoma TCGA dataset. Conclusion: The novel techniques we developed could support the identification of patients that may benefit from therapies targeting TCEs or AHR activation.
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45
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Lim TX, Ahamed M, Reutens DC. The aryl hydrocarbon receptor: A diagnostic and therapeutic target in glioma. Drug Discov Today 2021; 27:422-435. [PMID: 34624509 DOI: 10.1016/j.drudis.2021.09.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 07/29/2021] [Accepted: 09/29/2021] [Indexed: 12/19/2022]
Abstract
Glioblastoma multiforme (GBM) is a deadly disease; 5-year survival rates have shown little improvement over the past 30 years. In vivo positron emission tomography (PET) imaging is an important method of identifying potential diagnostic and therapeutic molecular targets non-invasively. The aryl hydrocarbon receptor (AhR) is a transcription factor that regulates multiple genes involved in immune response modulation and tumorigenesis. The AhR is an attractive potential drug target and studies have shown that its activation by small molecules can modulate innate and adaptive immunity beneficially and prevent AhR-mediated tumour promotion in several cancer types. In this review, we provide an overview of the role of the AhR in glioma tumorigenesis and highlight its potential as an emerging biomarker for glioma therapies targeting the tumour immune response and PET diagnostics.
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Affiliation(s)
- Ting Xiang Lim
- ARC Centre for Innovation in Biomedical Imaging Technology, Centre for Advanced Imaging, The University of Queensland, Brisbane, QLD, Australia
| | - Muneer Ahamed
- ARC Centre for Innovation in Biomedical Imaging Technology, Centre for Advanced Imaging, The University of Queensland, Brisbane, QLD, Australia
| | - David C Reutens
- ARC Centre for Innovation in Biomedical Imaging Technology, Centre for Advanced Imaging, The University of Queensland, Brisbane, QLD, Australia.
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46
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Krane GA, O'Dea CA, Malarkey DE, Miller AD, Miller CR, Tokarz DA, Jensen HL, Janardhan KS, Shockley KR, Flagler N, Rainess BA, Mariani CL. Immunohistochemical evaluation of immune cell infiltration in canine gliomas. Vet Pathol 2021; 58:952-963. [PMID: 34196247 DOI: 10.1177/03009858211023946] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Evasion of the immune response is an integral part of the pathogenesis of glioma. In humans, important mechanisms of immune evasion include recruitment of regulatory T cells (Tregs) and polarization of macrophages toward an M2 phenotype. Canine glioma has a robust immune cell infiltrate that has not been extensively characterized. The purpose of this study was to determine the distribution of immune cells infiltrating spontaneous intracranial canine gliomas. Seventy-three formalin-fixed, paraffin-embedded tumor samples were evaluated using immunohistochemistry for CD3, forkhead box 3 (FOXP3), CD20, Iba1, calprotectin (Mac387), CD163, and indoleamine 2,3-dioxygenase (IDO). Immune cell infiltration was present in all tumors. Low-grade and high-grade gliomas significantly differed in the numbers of FoxP3+ cells, Mac387+ cells, and CD163+ cells (P = .006, .01, and .01, respectively). Considering all tumors, there was a significant increase in tumor area fraction of CD163 compared to Mac387 (P < .0001), and this ratio was greater in high-grade tumors than in low-grade tumors (P = .005). These data warrant further exploration into the roles of macrophage repolarization or Treg interference therapy in canine glioma.
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Affiliation(s)
- Gregory A Krane
- 6857National Institute of Environmental Health Sciences, National Toxicology Program, Cellular and Molecular Pathology Branch, Research Triangle Park, NC, USA.,Department of Clinical Sciences, North Carolina State University, Raleigh, NC, USA.,Comparative Neuroimmunology and Neuro-Oncology Laboratory, North Carolina State University, Raleigh, NC, USA
| | | | - David E Malarkey
- 6857National Institute of Environmental Health Sciences, National Toxicology Program, Cellular and Molecular Pathology Branch, Research Triangle Park, NC, USA
| | | | | | - Debra A Tokarz
- Experimental Pathology Laboratories Inc, Research Triangle Park, NC, USA
| | - Heather L Jensen
- 6857National Institute of Environmental Health Sciences, National Toxicology Program, Cellular and Molecular Pathology Branch, Research Triangle Park, NC, USA
| | | | - Keith R Shockley
- Division of Intramural Research, Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Norris Flagler
- 6857National Institute of Environmental Health Sciences, National Toxicology Program, Cellular and Molecular Pathology Branch, Research Triangle Park, NC, USA
| | - Brittani A Rainess
- Comparative Neuroimmunology and Neuro-Oncology Laboratory, North Carolina State University, Raleigh, NC, USA
| | - Christopher L Mariani
- Comparative Neuroimmunology and Neuro-Oncology Laboratory, North Carolina State University, Raleigh, NC, USA
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47
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Kynurenines as a Novel Target for the Treatment of Malignancies. Pharmaceuticals (Basel) 2021; 14:ph14070606. [PMID: 34201791 PMCID: PMC8308824 DOI: 10.3390/ph14070606] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 12/12/2022] Open
Abstract
Malignancies are unquestionably a significant public health problem. Their effective treatment is still a big challenge for modern medicine. Tumors have developed a wide range of mechanisms to evade an immune and therapeutic response. As a result, there is an unmet clinical need for research on solutions aimed at overcoming this problem. An accumulation of tryptophan metabolites belonging to the kynurenine pathway can enhance neoplastic progression because it causes the suppression of immune system response against cancer cells. They are also involved in the development of the mechanisms responsible for the resistance to antitumor therapy. Kynurenine belongs to the most potent immunosuppressive metabolites of this pathway and has a significant impact on the development of malignancies. This fact prompted researchers to assess whether targeting the enzymes responsible for its synthesis could be an effective therapeutic strategy for various cancers. To date, numerous studies, both preclinical and clinical, have been conducted on this topic, especially regarding the inhibition of indoleamine 2,3-dioxygenase activity and their results can be considered noteworthy. This review gathers and systematizes the knowledge about the role of the kynurenine pathway in neoplastic progression and the findings regarding the usefulness of modulating its activity in anticancer therapy.
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48
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Mithaiwala MN, Santana-Coelho D, Porter GA, O’Connor JC. Neuroinflammation and the Kynurenine Pathway in CNS Disease: Molecular Mechanisms and Therapeutic Implications. Cells 2021; 10:1548. [PMID: 34205235 PMCID: PMC8235708 DOI: 10.3390/cells10061548] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/13/2021] [Accepted: 06/15/2021] [Indexed: 12/16/2022] Open
Abstract
Diseases of the central nervous system (CNS) remain a significant health, social and economic problem around the globe. The development of therapeutic strategies for CNS conditions has suffered due to a poor understanding of the underlying pathologies that manifest them. Understanding common etiological origins at the cellular and molecular level is essential to enhance the development of efficacious and targeted treatment options. Over the years, neuroinflammation has been posited as a common link between multiple neurological, neurodegenerative and neuropsychiatric disorders. Processes that precipitate neuroinflammatory conditions including genetics, infections, physical injury and psychosocial factors, like stress and trauma, closely link dysregulation in kynurenine pathway (KP) of tryptophan metabolism as a possible pathophysiological factor that 'fuel the fire' in CNS diseases. In this study, we aim to review emerging evidence that provide mechanistic insights between different CNS disorders, neuroinflammation and the KP. We provide a thorough overview of the different branches of the KP pertinent to CNS disease pathology that have therapeutic implications for the development of selected and efficacious treatment strategies.
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Affiliation(s)
- Mustafa N. Mithaiwala
- Integrated Biomedical Sciences Program, Graduate School of Biomedical Sciences, UT Health San Antonio, San Antonio, TX 78229, USA; (M.N.M.); (D.S.-C.); (G.A.P.)
- Department of Pharmacology, Long School of Medicine, UT Health San Antonio, Mail Code 8864, San Antonio, TX 78229, USA
| | - Danielle Santana-Coelho
- Integrated Biomedical Sciences Program, Graduate School of Biomedical Sciences, UT Health San Antonio, San Antonio, TX 78229, USA; (M.N.M.); (D.S.-C.); (G.A.P.)
- Department of Pharmacology, Long School of Medicine, UT Health San Antonio, Mail Code 8864, San Antonio, TX 78229, USA
| | - Grace A. Porter
- Integrated Biomedical Sciences Program, Graduate School of Biomedical Sciences, UT Health San Antonio, San Antonio, TX 78229, USA; (M.N.M.); (D.S.-C.); (G.A.P.)
- Department of Pharmacology, Long School of Medicine, UT Health San Antonio, Mail Code 8864, San Antonio, TX 78229, USA
| | - Jason C. O’Connor
- Integrated Biomedical Sciences Program, Graduate School of Biomedical Sciences, UT Health San Antonio, San Antonio, TX 78229, USA; (M.N.M.); (D.S.-C.); (G.A.P.)
- Department of Pharmacology, Long School of Medicine, UT Health San Antonio, Mail Code 8864, San Antonio, TX 78229, USA
- Department of Research, Audie L. Murphy VA Hospital, South Texas Veterans Heath System, San Antonio, TX 78229, USA
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49
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Kwiatkowska I, Hermanowicz JM, Przybyszewska-Podstawka A, Pawlak D. Not Only Immune Escape-The Confusing Role of the TRP Metabolic Pathway in Carcinogenesis. Cancers (Basel) 2021; 13:2667. [PMID: 34071442 PMCID: PMC8198784 DOI: 10.3390/cancers13112667] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/20/2021] [Accepted: 05/26/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The recently discovered phenomenon that cancer cells can avoid immune response has gained scientists' interest. One of the pathways involved in this process is tryptophan (TRP) metabolism through the kynurenine pathway (KP). Individual components involved in TRP conversion seem to contribute to cancerogenesis both through a direct impact on cancer cells and the modulation of immune cell functionality. Due to this fact, this pathway may serve as a target for immunotherapy and attempts are being made to create novel compounds effective in cancer treatment. However, the results obtained from clinical trials are not satisfactory, which raises questions about the exact role of KP elements in tumorigenesis. An increasing number of experiments reveal that TRP metabolites may either be tumor promoters and suppressors and this is why further research in this field is highly needed. The aim of this study is to present KP as a modulator of cancer development through multiple mechanisms and to point to its ambiguity, which may be a reason for failures in treatment based on the inhibition of tryptophan metabolism.
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Affiliation(s)
- Iwona Kwiatkowska
- Department of Pharmacodynamics, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (J.M.H.); (D.P.)
| | - Justyna Magdalena Hermanowicz
- Department of Pharmacodynamics, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (J.M.H.); (D.P.)
- Department of Clinical Pharmacy, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland
| | | | - Dariusz Pawlak
- Department of Pharmacodynamics, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland; (J.M.H.); (D.P.)
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50
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Jiang Y, Xiao H, Sun L, Zhang Y, Liu S, Luo B. LMP2A suppresses the role of AHR pathway through ERK signal pathway in EBV-associated gastric cancer. Virus Res 2021; 297:198399. [PMID: 33753181 DOI: 10.1016/j.virusres.2021.198399] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To investigate the function of the aryl hydrocarbon receptor (AHR) pathway in Epstein-Barr Virus (EBV)-associated gastric cancer (EBVaGC) and to explore the relationship between EBV and AHR expression. METHODS The expression of AHR in EBVaGC and EBV negative GC (EBVnGC) tissues was detected by immunohistochemistry (IHC). Real-time qPCR (RT-qPCR) and Western blot analysis were used to examine the expression of AHR, cytochrome P450 1A1 (CYP1A1), and cytochrome P450 1B1 (CYP1B1) in gastric cancer cells. The cell proliferation and migration assay were tested by CCK8 and transwell analysis. EBV-encoded latent membrane protein 2A (LMP2A) was over-expressed in SGC7901 cells and silenced in AGS-EBV cells to further identify its role in EBV positive GC cells. RESULTS It was found that EBV infection inhibited the expression of AHR in gastric cancer tissues and cell lines. We also found that the activation of AHR pathway can promote cell proliferation and migration. However, the function was restricted in EBVaGC cell lines compared with EBVnGC. LMP2A can suppress AHR expression and pathway activation by activating phosphorylation of extracellular signal-regulated kinase (ERK) in EBV positive GC cell lines. CONCLUSION EBV-encoded LMP2A regulated the function of the AHR pathway by activating the ERK signal pathway in EBV positive GC cell lines.
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Affiliation(s)
- Yuanyuan Jiang
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, 308 Ningxia Road, Qingdao, 266021, China; Department of Medical Affairs of the Affiliated Hospital of Qingdao University, No. 1677 Wutaishan Road, Qingdao, 266000, China
| | - Hua Xiao
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, 308 Ningxia Road, Qingdao, 266021, China
| | - Lingling Sun
- Department of Pathology, The Affiliated Hospital of Qingdao University, 16 Jiangsu Road, Qingdao, 266003, China
| | - Yan Zhang
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, 308 Ningxia Road, Qingdao, 266021, China; Department of Clinical Laboratory, Central Hospital of Zibo, 19 Gongqingtuan Road, ZiBo, 255036, China
| | - Shuzhen Liu
- Department of Medical Affairs of the Affiliated Hospital of Qingdao University, No. 1677 Wutaishan Road, Qingdao, 266000, China.
| | - Bing Luo
- Department of Pathogenic Biology, School of Basic Medicine, Qingdao University, 308 Ningxia Road, Qingdao, 266021, China
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