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Shorer EF, Dastgheyb RM, French AL, Daubert E, Morack R, Yohannes T, Clish C, Gustafson D, Sharma A, Rogando A, Qi Q, Burgess H, Rubin LH, Weber KM. Tryptophan-Kynurenine Pathway Activation and Cognition in Virally Suppressed Women With HIV. J Acquir Immune Defic Syndr 2024; 96:494-500. [PMID: 38985447 PMCID: PMC11236271 DOI: 10.1097/qai.0000000000003454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 04/22/2024] [Indexed: 07/11/2024]
Abstract
BACKGROUND Immune and cognitive dysfunction persists even in virally suppressed women with HIV (VS-WWH). Since inflammation and HIV proteins induce the enzyme indoleamine 2,3-dioxygenase (IDO), converting tryptophan (T) to kynurenine (K) while producing downstream neurotoxic metabolites, we investigated IDO activation (KT ratio) in relation to cognition in VS-WWH and demographically similar women without HIV (WWoH). METHODS Ninety-nine VS-WWH on stable antiretroviral therapy and 102 WWoH (median age 52 vs 54 years; 73% vs 74% Black, respectively) from the New York and Chicago sites of the Women's Interagency HIV Study (WIHS) completed a neuropsychological test battery assessing motor function, processing speed, attention/working memory, verbal fluency, verbal learning and memory, and executive function and had plasma measured for tryptophan-kynurenine metabolites through liquid chromatography-tandem mass spectrometry and monocyte-derived [soluble cluster of differentiation-14 (sCD14), soluble cluster of differentiation-163 (sCD163), monocyte chemoattractant protein-1 (MCP-1)] plus general inflammatory markers [tumor necrosis factor alpha-2 receptor (TNF-R2), high-sensitivity C-reactive protein, high-sensitivity interleukin-6] through enzyme-linked immunosorbent assays between 2017 and 2020. RESULTS VS-WWH had a higher KT ratio (P < 0.01) and higher sCD14 levels (P < 0.05) compared with WWoH. Higher sCD163 was associated with higher KT ratio (R = 0.29, P < 0.01) and worse fine motor function in VS-WWH; after adjusting for sCD163 and sCD14 in multivariable regressions, higher KT ratio remained significantly associated with impaired fine motor function in VS-WWH only (standardized β = -0.29, P < 0.05). IDO activation was not associated with cognition in WWoH. CONCLUSIONS IDO activation (K:T) was associated with worse fine motor control in VS-WWH independent of measured systemic inflammation. Further studies investigating biological mechanisms linking IDO activation to fine motor function among VS-WWH are warranted.
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Affiliation(s)
| | | | - Audrey L. French
- Department of Medicine, Stroger Hospital of Cook County, Chicago IL
| | | | | | | | - Clary Clish
- Metabolomics Platform, Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA
| | - Deborah Gustafson
- Department of Neurology, State University of New York Downstate Medical Center, Brooklyn, NY
| | - Anjali Sharma
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY
| | - Andre Rogando
- Hektoen Institute of Medicine, Chicago, IL
- College of Science and Health, Charles R. Drew University of Medicine and Science, Los Angeles, CA
| | - Qibin Qi
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY
| | - Helen Burgess
- Department of Psychiatry, University of Michigan, Ann Arbor, MI; and
| | - Leah H. Rubin
- Department of Neurology, Johns Hopkins Hospital, Baltimore, MD
- Departments of Psychiatry and Behavioral Sciences
- Molecular and Comparative Pathobiology; and
- Epidemiology, Johns Hopkins University School of Medicine, Baltimore, MD
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Craig A, Güney E, Pekmezci M, Bloomer M, Laszik Z, Ohgami RS, Toland A, Vogel H, Forns T, Wang E, Rubenstein J, Wen KW. Utility of PD-1, PD-L1, and IDO-1 Stains in Ocular Extranodal Marginal Zone Lymphoma (MZL) and Diffuse Large B-cell Lymphoma (DLBCL). Appl Immunohistochem Mol Morphol 2024:00129039-990000000-00181. [PMID: 38899518 DOI: 10.1097/pai.0000000000001207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 04/26/2024] [Indexed: 06/21/2024]
Abstract
Extranodal marginal zone lymphoma (EMZL) is the most common subtype of ocular lymphomas. Diffuse large B-cell lymphoma (DLBCL) and EMZL with large-cell transformation present diagnostic challenges. Radiotherapy is the standard treatment for ocular lymphomas, but complications and relapse are common. Diagnostic utility in challenging cases, as well as treatment options using immune checkpoint inhibitors, are unclear in ocular lymphomas. We herein investigated the PD-1, PD-L1, and IDO1 staining patterns in 20 cases of ocular lymphomas, including EMZL (n=14), EMZL with increased large cells (n=2), and DLBCL (n=4). PD-1, PD-L1, and IDO1 staining was not detected in lymphoma cells in any cases but was observed within the tumor microenvironment in all cases. Positivity for PD-1, PD-L1, and IDO1 in inflammatory cells was seen either intratumorally or peritumorally. In all 6 cases with significantly more large B cells, the density of PD-1, PD-L1, and IDO1 expression in the tumor microenvironment was higher than that of the remaining 14 cases without large B cells (P-value<0.0001), whereas other clinicopathologic features showed no statistical correlation. Increased expression of PD-1, PD-L1, and IDO1 in the inflammatory milieu in cases with large cells may provide diagnostic utility in small biopsies as well as therapeutic potential.
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Affiliation(s)
| | | | | | | | | | - Robert S Ohgami
- Departments of Pathology
- Medicine, University of California San Francisco, San Francisco
| | - Angus Toland
- Department of Pathology, Stanford University Medical Center, Stanford, CA
- Department of Pathology, University of Utah, Salt Lake City, UT
| | - Hannes Vogel
- Department of Pathology, Stanford University Medical Center, Stanford, CA
| | - Taylor Forns
- Department of Pathology and Laboratory Medicine, Children's Hospital of Colorado, Colorado Springs, CO
| | - Endi Wang
- Department of Pathology and Laboratory Medicine, Children's Hospital of Colorado, Colorado Springs, CO
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Wang X, Yan B, Li H, Yuan J, Guo J, Wang S, Dai P, Liu X. Reprogrammed IDO-Induced Immunosuppressive Microenvironment Synergizes with Immunogenic Magnetothermodynamics for Improved Cancer Therapy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:30671-30684. [PMID: 38843203 DOI: 10.1021/acsami.4c02740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Indoleamine 2,3-dioxygenase (IDO), highly expressed in hepatocellular carcinoma (HCC), plays a pivotal role in creating an immune-suppressive tumor microenvironment. Inhibiting IDO activity has emerged as a promising immunotherapeutic strategy; however, the delivery of IDO inhibitors to the tumor site is constrained, limiting their therapeutic efficacy. In this study, we developed a magnetic vortex nanodelivery system for the targeted delivery of the IDO inhibitor NLG919, integrated with magnetic hyperthermia therapy to reverse the immune-suppressive microenvironment of liver cancer and inhibit tumor growth. This system comprises thermoresponsive polyethylenimine-coated ferrimagnetic vortex-domain iron oxide nanorings (PI-FVIOs) loaded with NLG919 (NLG919/PI-FVIOs). Under thermal effects, NLG919 can be precisely released from the delivery system, counteracting IDO-mediated immune suppression and synergizing with NLG919/PI-FVIOs-mediated magnetothermodynamic (MTD) therapy-induced immunogenic cell death (ICD), resulting in effective HCC suppression. In vivo studies demonstrate that this combination therapy significantly inhibits tumor growth and metastasis by enhancing the accumulation of cytotoxic T lymphocytes and suppressing regulatory T cells within the tumor. Overall, our findings reveal that NLG919/PI-FVIOs can induce a potent antitumor immune response by disrupting the IDO pathway and activating the ICD, offering a promising therapeutic avenue for HCC treatment.
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MESH Headings
- Indoleamine-Pyrrole 2,3,-Dioxygenase/metabolism
- Indoleamine-Pyrrole 2,3,-Dioxygenase/antagonists & inhibitors
- Animals
- Tumor Microenvironment/drug effects
- Mice
- Humans
- Liver Neoplasms/therapy
- Liver Neoplasms/pathology
- Liver Neoplasms/drug therapy
- Liver Neoplasms/immunology
- Hyperthermia, Induced
- Carcinoma, Hepatocellular/therapy
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/immunology
- Carcinoma, Hepatocellular/drug therapy
- Cell Line, Tumor
- Mice, Inbred BALB C
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacology
- Imidazoles
- Isoindoles
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Affiliation(s)
- Xun Wang
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
- Shaanxi Lifegen Co., Ltd., Xi'an, Shaanxi 712000, China
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Bin Yan
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine; Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research; Shaanxi Provincial Key Laboratory of Magnetic Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Hugang Li
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Jianlan Yuan
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Jingyi Guo
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Siyao Wang
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
| | - Penggao Dai
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
- Shaanxi Lifegen Co., Ltd., Xi'an, Shaanxi 712000, China
- National Engineering Research Center for Miniaturized Detection Systems, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Xiaoli Liu
- Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, Shaanxi 710069, China
- National Local Joint Engineering Research Center for Precision Surgery & Regenerative Medicine; Shaanxi Province Center for Regenerative Medicine and Surgery Engineering Research; Shaanxi Provincial Key Laboratory of Magnetic Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
- Institute of Regenerative and Reconstructive Medicine, Med-X Institute, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
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4
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Deas J, Shah ND, Konijeti GG, Lundin A, Lanser O, Magavi P, Ali S. Dietary therapies for adult and pediatric inflammatory bowel disease. Nutr Clin Pract 2024; 39:530-545. [PMID: 38505875 DOI: 10.1002/ncp.11146] [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: 12/25/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/21/2024] Open
Abstract
Diet is an environmental exposure implicated in the development of inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC). Dietary therapy is also a tool for management of these conditions. Nutrition therapy for IBD has been shown to reduce intestinal inflammation, promote healing, and alleviate symptoms, as well as improve patients' nutrition status. Although the mechanisms of action of most nutrition therapies for IBD are not well understood, the diets are theorized to eliminate triggers for gut dysbiosis and mucosal immune dysfunction associated with the typical Western diet. Exclusive enteral nutrition and the Crohn's disease exclusion diet are increasingly being used as the primary treatment modality for the induction of remission and/or maintenance therapy in children, and in some adults, with CD. Several other diets, such as the Mediterranean diet, anti-inflammatory diet for IBD, and diets excluding gluten, FODMAPs (fermentable oligosaccharides, disaccharides, monosaccharides, and polyols), lactose, or other compounds, may be helpful in symptom management in both CD and UC, though evidence for biochemical efficacy is limited. In this review, we discuss the role of diet components in IBD pathogenesis and examine diets currently used in the management of children and adults with IBD. We also address practical, psychosocial, and cultural considerations for dietary therapy across diverse populations.
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Affiliation(s)
- Jessica Deas
- Division of Gastroenterology, Hepatology and Nutrition, Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Neha D Shah
- Colitis and Crohn's Disease Center, University of California San Francisco, San Francisco, California, USA
| | - Gauree G Konijeti
- Division of Gastroenterology & Hepatology, Scripps Clinic, La Jolla, California, USA
| | - Abigail Lundin
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Benioff Children Hospitals, University of California San Francisco, San Francisco, California, USA
| | - Olivia Lanser
- Division of Gastroenterology & Hepatology, Scripps Clinic, La Jolla, California, USA
| | - Pooja Magavi
- Division of Gastroenterology & Hepatology, Scripps Clinic, La Jolla, California, USA
| | - Sabina Ali
- Division of Pediatric Gastroenterology, Hepatology and Nutrition, Benioff Children Hospitals, University of California San Francisco, San Francisco, California, USA
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Zhang J, Liu Y, Zhi X, Xu L, Tao J, Cui D, Liu TF. Tryptophan catabolism via the kynurenine pathway regulates infection and inflammation: from mechanisms to biomarkers and therapies. Inflamm Res 2024; 73:979-996. [PMID: 38592457 DOI: 10.1007/s00011-024-01878-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/24/2024] [Accepted: 03/27/2024] [Indexed: 04/10/2024] Open
Abstract
BACKGROUND L-Tryptophan (L-Trp), an essential amino acid, is the only amino acid whose level is regulated specifically by immune signals. Most proportions of Trp are catabolized via the kynurenine (Kyn) pathway (KP) which has evolved to align the food availability and environmental stimulation with the host pathophysiology and behavior. Especially, the KP plays an indispensable role in balancing the immune activation and tolerance in response to pathogens. SCOPE OF REVIEW In this review, we elucidate the underlying immunological regulatory network of Trp and its KP-dependent catabolites in the pathophysiological conditions by participating in multiple signaling pathways. Furthermore, the KP-based regulatory roles, biomarkers, and therapeutic strategies in pathologically immune disorders are summarized covering from acute to chronic infection and inflammation. MAJOR CONCLUSIONS The immunosuppressive effects dominate the functions of KP induced-Trp depletion and KP-produced metabolites during infection and inflammation. However, the extending minor branches from the KP are not confined to the immune tolerance, instead they go forward to various functions according to the specific condition. Nevertheless, persistent efforts should be made before the clinical use of KP-based strategies to monitor and cure infectious and inflammatory diseases.
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Affiliation(s)
- Jingpu Zhang
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, 2901 Caolang Highway, Shanghai, 201508, People's Republic of China.
| | - Yanlei Liu
- Institute of Nano Biomedicine and Engineering, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China
| | - Xiao Zhi
- Shanghai Institute of Virology, Shanghai Jiao Tong University School of Medicine, 227 South Chongqing Road, Shanghai, 200025, People's Republic of China
| | - Li Xu
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, 2901 Caolang Highway, Shanghai, 201508, People's Republic of China
| | - Jie Tao
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, 2901 Caolang Highway, Shanghai, 201508, People's Republic of China
| | - Daxiang Cui
- Institute of Nano Biomedicine and Engineering, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China
| | - Tie Fu Liu
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, 2901 Caolang Highway, Shanghai, 201508, People's Republic of China.
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6
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Kondo T, Okada Y, Shizuya S, Yamaguchi N, Hatakeyama S, Maruyama K. Neuroimmune modulation by tryptophan derivatives in neurological and inflammatory disorders. Eur J Cell Biol 2024; 103:151418. [PMID: 38729083 DOI: 10.1016/j.ejcb.2024.151418] [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: 12/25/2023] [Revised: 05/02/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024] Open
Abstract
The nervous and immune systems are highly developed, and each performs specialized physiological functions. However, they work together, and their dysfunction is associated with various diseases. Specialized molecules, such as neurotransmitters, cytokines, and more general metabolites, are essential for the appropriate regulation of both systems. Tryptophan, an essential amino acid, is converted into functional molecules such as serotonin and kynurenine, both of which play important roles in the nervous and immune systems. The role of kynurenine metabolites in neurodegenerative and psychiatric diseases has recently received particular attention. Recently, we found that hyperactivity of the kynurenine pathway is a critical risk factor for septic shock. In this review, we first outline neuroimmune interactions and tryptophan derivatives and then summarized the changes in tryptophan metabolism in neurological disorders. Finally, we discuss the potential of tryptophan derivatives as therapeutic targets for neuroimmune disorders.
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Affiliation(s)
- Takeshi Kondo
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido 060-8636, Japan
| | - Yuka Okada
- Department of Ophthalmology, Wakayama Medical University School of Medicine, Wakayama 641-0012, Japan
| | - Saika Shizuya
- Department of Ophthalmology, Wakayama Medical University School of Medicine, Wakayama 641-0012, Japan
| | - Naoko Yamaguchi
- Department of Pharmacology, School of Medicine, Aichi Medical University, Aichi 480-1195, Japan
| | - Shigetsugu Hatakeyama
- Department of Biochemistry, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido 060-8636, Japan
| | - Kenta Maruyama
- Department of Pharmacology, School of Medicine, Aichi Medical University, Aichi 480-1195, Japan.
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7
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Wang Y, Zhao X, Li Z, Wang W, Jiang Y, Zhang H, Liu X, Ren Y, Xu X, Hu X. Decidual natural killer cells dysfunction is caused by IDO downregulation in dMDSCs with Toxoplasma gondii infection. Commun Biol 2024; 7:669. [PMID: 38822095 PMCID: PMC11143278 DOI: 10.1038/s42003-024-06365-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 05/21/2024] [Indexed: 06/02/2024] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) play a crucial role in maintaining maternal-fetal tolerance by expressing some immune-suppressive molecules, such as indoleamine 2,3-dioxygenase (IDO). Toxoplasma gondii (T. gondii) infection can break the immune microenvironment of maternal-fetal interface, resulting in adverse pregnancy outcomes. However, whether T. gondii affects IDO expression in dMDSCs and the molecular mechanism of its effect are still unclear. Here we show, the mRNA level of IDO is increased but the protein level decreased in infected dMDSCs. Mechanistically, the upregulation of transcriptional levels of IDO in dMDSCs is regulated through STAT3/p52-RelB pathway and the decrease of IDO expression is due to its degradation caused by increased SOCS3 after T. gondii infection. In vivo, the adverse pregnancy outcomes of IDO-/- infected mice are more severe than those of wide-type infected mice and obviously improved after exogenous kynurenine treatment. Also, the reduction of IDO in dMDSCs induced by T. gondii infection results in the downregulation of TGF-β and IL-10 expression in dNK cells regulated through Kyn/AhR/SP1 signal pathway, eventually leading to the dysfunction of dNK cells and contributing the occurrence of adverse pregnancy outcomes. This study reveals a novel molecular mechanism in adverse pregnancy outcome induced by T. gondii infection.
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Affiliation(s)
- Yu Wang
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Xiaoyue Zhao
- Department of Clinical Psychology, Yantai Affiliated hospital of Binzhou Medial University, Yantai, 264100, Shandong, PR China
| | - Zhidan Li
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Wenxiao Wang
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Yuzhu Jiang
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Haixia Zhang
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Xianbing Liu
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Yushan Ren
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Xiaoyan Xu
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China
| | - Xuemei Hu
- Department of Immunology, Binzhou Medical University, Yantai, 264003, Shandong, PR China.
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8
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Gan J, Wang Y, Deng Y, Zhang J, Wang S, Jiang X, Guo M, Song L. Sacubitril/valsartan ameliorates cardiac function and ventricular remodeling in CHF rats via the inhibition of the tryptophan/kynurenine metabolism and inflammation. Sci Rep 2024; 14:12377. [PMID: 38811632 PMCID: PMC11136956 DOI: 10.1038/s41598-024-62472-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 05/17/2024] [Indexed: 05/31/2024] Open
Abstract
Sacubitril/valsartan has been highly recognized as a treatment for Chronic heart failure (CHF). Its potential cardioprotective benefits and mechanisms, however, remain to be explored. Metabolomics can be used to identify the metabolic characteristics and related markers, as well as the influence of drugs, thereby opening up the new mechanism for sacubitril/valsartan therapy in CHF disease. In this study, the ligation of left anterior descending and exhaustive swimming were used to induce a rat model of CHF after myocardial infarction. The efficacy was appraised with echocardiography, serum NT-proBNP, and histopathologica. UPLC-Q/TOF-MS combined with multivariate statistical analysis approach were used to analyze the effect of sacubitril/valsartan on CHF rats. RT-qPCR and western blot were performed to investigate the tryptophan/kynurenine metabolism pathway. Accordingly, the basal cardiac function were increased, while the serum NT-proBNP and collagen volume fraction decreased in CHF rats with sacubitril/valsartan. Sacubitril/valsartan regulated the expression of kynurenine et.al 8 metabolomic biomarkers in CHF rats serum, and it contributed to the cardioprotective effects through tryptophan metabolism pathway. In addition, the mRNA and protein expression of the indoleamine 2,3-dioxygenase (IDO) in the myocardial tissue of CHF rats, were down-regulated by sacubitril/valsartan, which was the same with the IL-1β, IFN-γ, TNF-α, COX-2, and IL-6 mRNA expression, and IL-1β, IFN-γ, and TNF-α expression in serum. In conclusion, sacubitril/valsartan can ameliorate cardiac function and ventricular remodeling in CHF rats, at least in part through inhibition of tryptophan/kynurenine metabolism.
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Affiliation(s)
- Jiali Gan
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuli Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yun Deng
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jiaqi Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shuangcui Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xijuan Jiang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Maojuan Guo
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Lili Song
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
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9
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Sammad A, Ahmed T, Ullah K, Hu L, Luo H, Alphayo Kambey P, Faisal S, Zhu H, Li Y, Wang Y. Vitamin C Alleviates the Negative Effects of Heat Stress on Reproductive Processes by Regulating Amino Acid Metabolism in Granulosa Cells. Antioxidants (Basel) 2024; 13:653. [PMID: 38929092 PMCID: PMC11201207 DOI: 10.3390/antiox13060653] [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: 03/12/2024] [Revised: 05/21/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
Heat stress-induced biochemical alterations in ovarian follicles compromise the function of granulosa cells (GCs) and the developmental competence of oocytes. Summer heat stress can have a far-reaching negative impact on overall fertility and reproductive success. Together with the heat stress, the rise of assisted reproductive technologies (ART), potential confounding hazards of in vitro handling and the absence of systemic body support in ART makes it imperative to study the heat stress ameliorative effects of vitamin C under in vitro conditions. Using in vitro heat stress treatment of 43 °C for two hours in bovine GCs, we studied the effects of vitamin C on cell growth, oxidative stress, apoptosis and cell cycle progression together with a comprehensive metabolomics profiling. This study investigates the molecular milieu underlying the vitamin C (VC)-led alleviation of heat-related disruptions to metabolic processes in bovine GCs. The supplementation of VC ameliorated the detrimental effects of heat stress by reducing oxidative stress and apoptosis while restoring cell proliferation. Normal cell function restoration in treated GCs was demonstrated through the finding of significantly high levels of progesterone. We observed a shift in the metabolome from biosynthesis to catabolism, mostly dominated by the metabolism of amino acids (decreased tryptophan, methionine and tyrosine) and the active TCA cycle through increased Succinic acid. The Glutathione and tryptophan metabolism were important in ameliorating the inflammation and metabolism nexus under heat stress. Two significant enzymes were identified, namely tryptophan 2,3-dioxygenase (TDO2) and mitochondrial phenylalanyl-tRNA synthetase (FARS2). Furthermore, our findings provide insight into the significance of B-complex vitamins in the context of heat stress during VC supplementation. This study underscores the importance of VC supplementation in heat stress and designates multiple metabolic intervention faucets in the context of ameliorating heat stress and enhancing reproductive efficiency.
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Affiliation(s)
- Abdul Sammad
- State Key Laboratory of Animal Biotech Breeding, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (L.H.); (H.L.)
- Center for Health Research and Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; (T.A.); (K.U.); (P.A.K.); (S.F.)
| | - Tanveer Ahmed
- Center for Health Research and Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; (T.A.); (K.U.); (P.A.K.); (S.F.)
| | - Khair Ullah
- Center for Health Research and Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; (T.A.); (K.U.); (P.A.K.); (S.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lirong Hu
- State Key Laboratory of Animal Biotech Breeding, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (L.H.); (H.L.)
| | - Hanpeng Luo
- State Key Laboratory of Animal Biotech Breeding, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (L.H.); (H.L.)
| | - Piniel Alphayo Kambey
- Center for Health Research and Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; (T.A.); (K.U.); (P.A.K.); (S.F.)
| | - Shah Faisal
- Center for Health Research and Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; (T.A.); (K.U.); (P.A.K.); (S.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huabin Zhu
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yinxiong Li
- Center for Health Research and Guangdong Provincial Key Laboratory of Biocomputing, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; (T.A.); (K.U.); (P.A.K.); (S.F.)
- University of Chinese Academy of Sciences, Beijing 100049, China
- Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangzhou 510530, China
- State Key Laboratory of Respiratory Disease and China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou 510530, China
- CAS Key Laboratory of Regenerative Biology, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Yachun Wang
- State Key Laboratory of Animal Biotech Breeding, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (L.H.); (H.L.)
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10
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Gerlini G, Susini P, Sestini S, Brandani P, Giannotti V, Borgognoni L. Langerhans Cells in Sentinel Lymph Nodes from Melanoma Patients. Cancers (Basel) 2024; 16:1890. [PMID: 38791968 PMCID: PMC11119378 DOI: 10.3390/cancers16101890] [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: 03/26/2024] [Revised: 05/05/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Langerhans cells (LCs) are professional Dendritic Cells (DCs) involved in immunoregulatory functions. At the skin level, LCs are immature. In response to tissue injuries, they migrate to regional Lymph Nodes (LNs), reaching a full maturation state. Then, they become effective antigen-presenting cells (APCs) that induce anti-cancer responses. Notably, melanoma patients present several DC alterations in the Sentinel Lymph Node (SLN), where primary antitumoral immunity is generated. LCs are the most represented DCs subset in melanoma SLNs and are expected to play a key role in the anti-melanoma response. With this paper, we aim to review the current knowledge and future perspectives regarding LCs and melanoma. METHODS A systematic review was carried out according to the PRISMA statement using the PubMed (MEDLINE) library from January 2004 to January 2024, searching for original studies discussing LC in melanoma. RESULTS The final synthesis included 15 articles. Several papers revealed significant LCs-melanoma interactions. CONCLUSIONS Melanoma immune escape mechanisms include SLN LC alterations, favoring LN metastasis arrival/homing and melanoma proliferation. The SLN LCs of melanoma patients are defective but not irreversibly, and their function may be restored by appropriate stimuli. Thus, LCs represent a promising target for future immunotherapeutic strategies and cancer vaccines.
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Affiliation(s)
- Gianni Gerlini
- Plastic and Reconstructive Surgery Unit, Regional Melanoma Referral Center and Melanoma & Skin Cancer Unit, Santa Maria Annunziata Hospital, 50012 Florence, Italy; (S.S.); (P.B.); (V.G.); (L.B.)
| | - Pietro Susini
- Plastic Surgery Unit, Department of Medicine, Surgery and Neuroscience, University of Siena, 53100 Siena, Italy;
| | - Serena Sestini
- Plastic and Reconstructive Surgery Unit, Regional Melanoma Referral Center and Melanoma & Skin Cancer Unit, Santa Maria Annunziata Hospital, 50012 Florence, Italy; (S.S.); (P.B.); (V.G.); (L.B.)
| | - Paola Brandani
- Plastic and Reconstructive Surgery Unit, Regional Melanoma Referral Center and Melanoma & Skin Cancer Unit, Santa Maria Annunziata Hospital, 50012 Florence, Italy; (S.S.); (P.B.); (V.G.); (L.B.)
| | - Vanni Giannotti
- Plastic and Reconstructive Surgery Unit, Regional Melanoma Referral Center and Melanoma & Skin Cancer Unit, Santa Maria Annunziata Hospital, 50012 Florence, Italy; (S.S.); (P.B.); (V.G.); (L.B.)
| | - Lorenzo Borgognoni
- Plastic and Reconstructive Surgery Unit, Regional Melanoma Referral Center and Melanoma & Skin Cancer Unit, Santa Maria Annunziata Hospital, 50012 Florence, Italy; (S.S.); (P.B.); (V.G.); (L.B.)
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11
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Su R, Shao Y, Huang M, Liu D, Yu H, Qiu Y. Immunometabolism in cancer: basic mechanisms and new targeting strategy. Cell Death Discov 2024; 10:236. [PMID: 38755125 PMCID: PMC11099033 DOI: 10.1038/s41420-024-02006-2] [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: 07/31/2023] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/18/2024] Open
Abstract
Maturing immunometabolic research empowers immune regulation novel approaches. Progressive metabolic adaptation of tumor cells permits a thriving tumor microenvironment (TME) in which immune cells always lose the initial killing capacity, which remains an unsolved dilemma even with the development of immune checkpoint therapies. In recent years, many studies on tumor immunometabolism have been reported. The development of immunometabolism may facilitate anti-tumor immunotherapy from the recurrent crosstalk between metabolism and immunity. Here, we discuss clinical studies of the core signaling pathways of immunometabolism and their inhibitors or agonists, as well as the specific functions of these pathways in regulating immunity and metabolism, and discuss some of the identified immunometabolic checkpoints. Understanding the comprehensive advances in immunometabolism helps to revise the status quo of cancer treatment. An overview of the new landscape of immunometabolism. The PI3K pathway promotes anabolism and inhibits catabolism. The LKB1 pathway inhibits anabolism and promotes catabolism. Overactivation of PI3K/AKT/mTOR pathway and IDO, IL4I1, ACAT, Sirt2, and MTHFD2 promote immunosuppression of TME formation, as evidenced by increased Treg and decreased T-cell proliferation. The LKBI-AMPK pathway promotes the differentiation of naive T cells to effector T cells and memory T cells and promotes anti-tumor immunity in DCs.
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Affiliation(s)
- Ranran Su
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Yingying Shao
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Manru Huang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China
| | - Donghui Liu
- School of Pharmacy, Tianjin Medical University, Tianjin, China
| | - Haiyang Yu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
- Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
- Haihe Laboratory of Modern Chinese Medicine, Tianjin, China.
| | - Yuling Qiu
- School of Pharmacy, Tianjin Medical University, Tianjin, China.
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12
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Abdallah AM, Doudin A, Sulaiman TO, Jamil O, Arif R, Sada FA, Yassine HM, Elrayess MA, Elzouki AN, Emara MM, Thillaiappan NB, Cyprian FS. Metabolic predictors of COVID-19 mortality and severity: a survival analysis. Front Immunol 2024; 15:1353903. [PMID: 38799469 PMCID: PMC11127595 DOI: 10.3389/fimmu.2024.1353903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 04/15/2024] [Indexed: 05/29/2024] Open
Abstract
Introduction The global healthcare burden of COVID-19 pandemic has been unprecedented with a high mortality. Metabolomics, a powerful technique, has been increasingly utilized to study the host response to infections and to understand the progression of multi-system disorders such as COVID-19. Analysis of the host metabolites in response to SARS-CoV-2 infection can provide a snapshot of the endogenous metabolic landscape of the host and its role in shaping the interaction with SARS-CoV-2. Disease severity and consequently the clinical outcomes may be associated with a metabolic imbalance related to amino acids, lipids, and energy-generating pathways. Hence, the host metabolome can help predict potential clinical risks and outcomes. Methods In this prospective study, using a targeted metabolomics approach, we studied the metabolic signature in 154 COVID-19 patients (males=138, age range 48-69 yrs) and related it to disease severity and mortality. Blood plasma concentrations of metabolites were quantified through LC-MS using MxP Quant 500 kit, which has a coverage of 630 metabolites from 26 biochemical classes including distinct classes of lipids and small organic molecules. We then employed Kaplan-Meier survival analysis to investigate the correlation between various metabolic markers, disease severity and patient outcomes. Results A comparison of survival outcomes between individuals with high levels of various metabolites (amino acids, tryptophan, kynurenine, serotonin, creatine, SDMA, ADMA, 1-MH and carnitine palmitoyltransferase 1 and 2 enzymes) and those with low levels revealed statistically significant differences in survival outcomes. We further used four key metabolic markers (tryptophan, kynurenine, asymmetric dimethylarginine, and 1-Methylhistidine) to develop a COVID-19 mortality risk model through the application of multiple machine-learning methods. Conclusions Metabolomics analysis revealed distinct metabolic signatures among different severity groups, reflecting discernible alterations in amino acid levels and perturbations in tryptophan metabolism. Notably, critical patients exhibited higher levels of short chain acylcarnitines, concomitant with higher concentrations of SDMA, ADMA, and 1-MH in severe cases and non-survivors. Conversely, levels of 3-methylhistidine were lower in this context.
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Affiliation(s)
| | - Asmma Doudin
- Biomedical Research Center (BRC), Qatar University, Doha, Qatar
| | - Theeb Osama Sulaiman
- Department of Medicine, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Omar Jamil
- Department of Radiology, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Rida Arif
- Emergency Medicine Department, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Fatima Al Sada
- Neurosurgery Department, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Hadi M. Yassine
- Biomedical Research Center (BRC), Qatar University, Doha, Qatar
| | - Mohamed A. Elrayess
- College of Medicine, Qatar University (QU) Health, Qatar University, Doha, Qatar
- Biomedical Research Center (BRC), Qatar University, Doha, Qatar
| | - Abdel-Naser Elzouki
- College of Medicine, Qatar University (QU) Health, Qatar University, Doha, Qatar
- Department of Medicine, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Mohamed M. Emara
- College of Medicine, Qatar University (QU) Health, Qatar University, Doha, Qatar
| | | | - Farhan S. Cyprian
- College of Medicine, Qatar University (QU) Health, Qatar University, Doha, Qatar
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13
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Toadere TM, Ţichindeleanu A, Bondor DA, Topor I, Trella ŞE, Nenu I. Bridging the divide: unveiling mutual immunological pathways of cancer and pregnancy. Inflamm Res 2024; 73:793-807. [PMID: 38492049 DOI: 10.1007/s00011-024-01866-9] [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: 11/07/2023] [Revised: 01/31/2024] [Accepted: 02/22/2024] [Indexed: 03/18/2024] Open
Abstract
The juxtaposition of two seemingly disparate physiological phenomena within the human body-namely, cancer and pregnancy-may offer profound insights into the intricate interplay between malignancies and the immune system. Recent investigations have unveiled striking similarities between the pivotal processes underpinning fetal implantation and successful gestation and those governing tumor initiation and progression. Notably, a confluence of features has emerged, underscoring parallels between the microenvironment of tumors and the maternal-fetal interface. These shared attributes encompass establishing vascular networks, cellular mobilization, recruitment of auxiliary tissue components to facilitate continued growth, and, most significantly, the orchestration of immune-suppressive mechanisms.Our particular focus herein centers on the phenomenon of immune suppression and its protective utility in both of these contexts. In the context of pregnancy, immune suppression assumes a paramount role in shielding the semi-allogeneic fetus from the potentially hostile immune responses of the maternal host. In stark contrast, in the milieu of cancer, this very same immunological suppression fosters the transformation of the tumor microenvironment into a sanctuary personalized for the neoplastic cells.Thus, the striking parallels between the immunosuppressive strategies deployed during pregnancy and those co-opted by malignancies offer a tantalizing reservoir of insights. These insights promise to inform novel avenues in the realm of cancer immunotherapy. By harnessing our understanding of the immunological events that detrimentally impact fetal development, a knowledge grounded in the context of conditions such as preeclampsia or miscarriage, we may uncover innovative immunotherapeutic strategies to combat cancer.
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Affiliation(s)
- Teodora Maria Toadere
- Department of Physiology, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania.
| | - Andra Ţichindeleanu
- Department of Physiology, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania.
| | - Daniela Andreea Bondor
- Department of Physiology, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania
| | - Ioan Topor
- Department of Physiology, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania
| | - Şerban Ellias Trella
- Department of Physiology, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania
| | - Iuliana Nenu
- Department of Physiology, "Iuliu Haţieganu" University of Medicine and Pharmacy, 400006, Cluj-Napoca, Romania
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14
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Cruz de Casas P, Knöpper K, Dey Sarkar R, Kastenmüller W. Same yet different - how lymph node heterogeneity affects immune responses. Nat Rev Immunol 2024; 24:358-374. [PMID: 38097778 DOI: 10.1038/s41577-023-00965-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 05/04/2024]
Abstract
Lymph nodes are secondary lymphoid organs in which immune responses of the adaptive immune system are initiated and regulated. Distributed throughout the body and embedded in the lymphatic system, local lymph nodes are continuously informed about the state of the organs owing to a constant drainage of lymph. The tissue-derived lymph carries products of cell metabolism, proteins, carbohydrates, lipids, pathogens and circulating immune cells. Notably, there is a growing body of evidence that individual lymph nodes differ from each other in their capacity to generate immune responses. Here, we review the structure and function of the lymphatic system and then focus on the factors that lead to functional heterogeneity among different lymph nodes. We will discuss how lymph node heterogeneity impacts on cellular and humoral immune responses and the implications for vaccination, tumour development and tumour control by immunotherapy.
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Affiliation(s)
- Paulina Cruz de Casas
- Max Planck Research Group, Würzburg Institute of Systems Immunology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Konrad Knöpper
- Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA, USA
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA, USA
| | - Rupak Dey Sarkar
- Max Planck Research Group, Würzburg Institute of Systems Immunology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Wolfgang Kastenmüller
- Max Planck Research Group, Würzburg Institute of Systems Immunology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany.
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15
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Zhu Y, Tan H, Wang J, Zhuang H, Zhao H, Lu X. Molecular insight into T cell exhaustion in hepatocellular carcinoma. Pharmacol Res 2024; 203:107161. [PMID: 38554789 DOI: 10.1016/j.phrs.2024.107161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/17/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Hepatocellular carcinoma is one of the leading causes of cancer-related mortality globally. The emergence of immunotherapy has been shown to be a promising therapeutic approach for hepatocellular carcinoma in recent years. It has been well known that T cell plays a key role in current immunotherapy. However, sustained exposure to antigenic stimulation within the tumor microenvironment may lead to T cell exhaustion, which may cause treatment ineffectiveness. Therefore, reversing T cell exhaustion has been an important issue for the clinical application of immunotherapy, and a comprehensive understanding of the intricacies surrounding T cell exhaustion and its underlying mechanisms is imperative for devising strategies to overcome the T cell exhaustion during treatment. In this review, we summarized the reported drivers of T cell exhaustion in hepatocellular carcinoma and delineate potential ways to reverse it. Additionally, we discussed the interplay among metabolic plasticity, epigenetic regulation, and transcriptional factors in exhausted T cells in hepatocellular carcinoma, and their implication for future clinical applications.
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Affiliation(s)
- Yonghua Zhu
- Department of General Surgery, Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Huabing Tan
- Department of Infectious Diseases, Hepatology Institute, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, China; Shiyan Key Laboratory of Virology, Hubei University of Medicine, Shiyan, Hubei Province 442000, China
| | - Jincheng Wang
- Graduate School of Biomedical Science and Engineering, Hokkaido University, Japan
| | - Haiwen Zhuang
- Department of General Surgery, Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Huanbin Zhao
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
| | - Xiaojie Lu
- Department of General Surgery, Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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16
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Azeredo R, Peixoto D, Santos P, Duarte I, Ricardo A, Aragão C, Machado M, Costas B. Dietary Tryptophan Plays a Role as an Anti-Inflammatory Agent in European Seabass ( Dicentrarchus labrax) Juveniles during Chronic Inflammation. BIOLOGY 2024; 13:309. [PMID: 38785791 PMCID: PMC11117642 DOI: 10.3390/biology13050309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 04/26/2024] [Accepted: 04/27/2024] [Indexed: 05/25/2024]
Abstract
Where teleost fish are concerned, studies in tryptophan immunomodulation generally point to immunosuppressive properties, thus presenting a potential anti-inflammatory dietary strategy. The goal of the present work was to evaluate the effects of tryptophan dietary supplementation on immune and neuroendocrine responses of the European seabass, Dicentrarchus labrax, undergoing chronic inflammation. Juvenile European seabass were intraperitoneally injected with either Freund's Incomplete Adjuvant (FIA, inflamed group) or a saline solution (control group). Within each group, fish were fed a control (CTRL) and a CTRL-based diet supplemented with tryptophan (0.3% DM basis; TRP) for 4 weeks. Different tissues were sampled every week for the assessment of immune-related parameters. When TRP was provided to FIA-injected fish, mcsfr gene expression increased from 1 to 2 weeks and remained high until the end of the experiment. The same fish showed a concurrent increase in peripheral monocyte counts. Moreover, il34 expression at 1 week post-FIA injection was higher in TRP-fed than in CTRL-fed fish. After one week, molecular patterns of anti-inflammatory processes seemed to be favoured by TRP (mcsfr, gr1, il34 and tgfβ). Altogether, the results show that the feeding period seems to be critical where tryptophan supplementation is concerned since at later inflammatory stages-and longer feeding periods-fish fed TRP displayed a molecular profile similar to that of the CTRL group. In contrast, shorter administration periods might accelerate immune regulatory pathways.
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Affiliation(s)
- Rita Azeredo
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), 4450-208 Matosinhos, Portugal (M.M.)
| | - Diogo Peixoto
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), 4450-208 Matosinhos, Portugal (M.M.)
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Paulo Santos
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), 4450-208 Matosinhos, Portugal (M.M.)
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Inês Duarte
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), 4450-208 Matosinhos, Portugal (M.M.)
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Ana Ricardo
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), 4450-208 Matosinhos, Portugal (M.M.)
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
| | - Cláudia Aragão
- Centro de Ciências do Mar (CCMAR), 8005-139 Faro, Portugal
- Campus da Gambelas, Universidade do Algarve, 8005-139 Faro, Portugal
| | - Marina Machado
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), 4450-208 Matosinhos, Portugal (M.M.)
| | - Benjamín Costas
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), 4450-208 Matosinhos, Portugal (M.M.)
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal
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17
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Paul S, Mukherjee T, Das K. Coagulation Protease-Driven Cancer Immune Evasion: Potential Targets for Cancer Immunotherapy. Cancers (Basel) 2024; 16:1568. [PMID: 38672649 PMCID: PMC11048528 DOI: 10.3390/cancers16081568] [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: 03/13/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Blood coagulation and cancer are intrinsically connected, hypercoagulation-associated thrombotic complications are commonly observed in certain types of cancer, often leading to decreased survival in cancer patients. Apart from the common role in coagulation, coagulation proteases often trigger intracellular signaling in various cancers via the activation of a G protein-coupled receptor superfamily protease: protease-activated receptors (PARs). Although the role of PARs is well-established in the development and progression of certain types of cancer, their impact on cancer immune response is only just emerging. The present review highlights how coagulation protease-driven PAR signaling plays a key role in modulating innate and adaptive immune responses. This is followed by a detailed discussion on the contribution of coagulation protease-induced signaling in cancer immune evasion, thereby supporting the growth and development of certain tumors. A special section of the review demonstrates the role of coagulation proteases, thrombin, factor VIIa, and factor Xa in cancer immune evasion. Targeting coagulation protease-induced signaling might be a potential therapeutic strategy to boost the immune surveillance mechanism of a host fighting against cancer, thereby augmenting the clinical consequences of targeted immunotherapeutic regimens.
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Affiliation(s)
- Subhojit Paul
- School of Biological Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India;
| | - Tanmoy Mukherjee
- Department of Cellular and Molecular Biology, The University of Texas at Tyler Health Science Center, Tyler, TX 75708, USA;
| | - Kaushik Das
- Biotechnology Research and Innovation Council-National Institute of Biomedical Genomics, Kalyani 741251, West Bengal, India
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18
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Harris DMM, Szymczak S, Schuchardt S, Labrenz J, Tran F, Welz L, Graßhoff H, Zirpel H, Sümbül M, Oumari M, Engelbogen N, Junker R, Conrad C, Thaçi D, Frey N, Franke A, Weidinger S, Hoyer B, Rosenstiel P, Waschina S, Schreiber S, Aden K. Tryptophan degradation as a systems phenomenon in inflammation - an analysis across 13 chronic inflammatory diseases. EBioMedicine 2024; 102:105056. [PMID: 38471395 PMCID: PMC10943670 DOI: 10.1016/j.ebiom.2024.105056] [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: 10/23/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Chronic inflammatory diseases (CIDs) are systems disorders that affect diverse organs including the intestine, joints and skin. The essential amino acid tryptophan (Trp) can be broken down to various bioactive derivatives important for immune regulation. Increased Trp catabolism has been observed in some CIDs, so we aimed to characterise the specificity and extent of Trp degradation as a systems phenomenon across CIDs. METHODS We used high performance liquid chromatography and targeted mass spectrometry to assess the serum and stool levels of Trp and Trp derivatives. Our retrospective study incorporates both cross-sectional and longitudinal components, as we have included a healthy population as a reference and there are also multiple observations per patient over time. FINDINGS We found reduced serum Trp levels across the majority of CIDs, and a prevailing negative relationship between Trp and systemic inflammatory marker C-reactive protein (CRP). Notably, serum Trp was low in several CIDs even in the absence of measurable systemic inflammation. Increases in the kynurenine-to-Trp ratio (Kyn:Trp) suggest that these changes result from increased degradation along the kynurenine pathway. INTERPRETATION Increases in Kyn:Trp indicate the kynurenine pathway as a major route for CID-related Trp metabolism disruption and the specificity of the network changes indicates excessive Trp degradation relative to other proteogenic amino acids. Our results suggest that increased Trp catabolism is a common metabolic occurrence in CIDs that may directly affect systemic immunity. FUNDING This work was supported by the DFG Cluster of Excellence 2167 "Precision medicine in chronic inflammation" (KA, SSchr, PR, BH, SWa), the BMBF (e:Med Juniorverbund "Try-IBD" 01ZX1915A and 01ZX2215, the e:Med Network iTREAT 01ZX2202A, and GUIDE-IBD 031L0188A), EKFS (2020_EKCS.11, KA), DFG RU5042 (PR, KA), and Innovative Medicines Initiative 2 Joint Undertakings ("Taxonomy, Treatments, Targets and Remission", 831434, "ImmUniverse", 853995, "BIOMAP", 821511).
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Affiliation(s)
- Danielle M M Harris
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany; Institute for Human Nutrition and Food Science, Division Nutriinformatics, Kiel University, Kiel, Germany
| | - Silke Szymczak
- Institute of Medical Biometry and Statistics, University of Lübeck, University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Sven Schuchardt
- Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Hanover, Germany
| | - Johannes Labrenz
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Florian Tran
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany; Department of Internal Medicine I, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Lina Welz
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany; Institute for Human Nutrition and Food Science, Division Nutriinformatics, Kiel University, Kiel, Germany
| | - Hanna Graßhoff
- Department of Rheumatology University Medical Center Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Henner Zirpel
- Comprehensive Center for Inflammation Medicine, University Medical Center Schleswig-Holstein, Lübeck, Germany
| | - Melike Sümbül
- Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Mhmd Oumari
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Nils Engelbogen
- Institute of Clinical Chemistry, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Ralf Junker
- Institute of Clinical Chemistry, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Claudio Conrad
- Department of Internal Medicine I, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Diamant Thaçi
- Comprehensive Center for Inflammation Medicine, University Medical Center Schleswig-Holstein, Lübeck, Germany
| | - Norbert Frey
- Department of Medicine III: Cardiology, Angiology, and Pneumology, Heidelberg University, Heidelberg, Germany
| | - Andre Franke
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Stephan Weidinger
- Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Bimba Hoyer
- Department of Internal Medicine I, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Philip Rosenstiel
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Silvio Waschina
- Institute for Human Nutrition and Food Science, Division Nutriinformatics, Kiel University, Kiel, Germany
| | - Stefan Schreiber
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany; Department of Internal Medicine I, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Konrad Aden
- Institute of Clinical Molecular Biology, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany; Department of Internal Medicine I, Kiel University and University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany.
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19
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Dos Santos IL, Mitchell M, Nogueira PAS, Lafita-Navarro MC, Perez-Castro L, Eriom J, Kilgore JA, Williams NS, Guo L, Xu L, Conacci-Sorrell M. Targeting of neuroblastoma cells through Kynurenine-AHR pathway inhibition. FEBS J 2024. [PMID: 38431776 DOI: 10.1111/febs.17109] [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: 10/19/2023] [Revised: 01/13/2024] [Accepted: 02/21/2024] [Indexed: 03/05/2024]
Abstract
Neuroblastoma poses significant challenges in clinical management. Despite its relatively low incidence, this malignancy contributes disproportionately to cancer-related childhood mortality. Tailoring treatments based on risk stratification, including MYCN oncogene amplification, remains crucial, yet high-risk cases often confront therapeutic resistance and relapse. Here, we explore the aryl hydrocarbon receptor (AHR), a versatile transcription factor implicated in diverse physiological functions such as xenobiotic response, immune modulation, and cell growth. Despite its varying roles in malignancies, AHR's involvement in neuroblastoma remains elusive. Our study investigates the interplay between AHR and its ligand kynurenine (Kyn) in neuroblastoma cells. Kyn is generated from tryptophan (Trp) by the activity of the enzymes indoleamine 2,3-dioxygenase 1 (IDO1) and tryptophan 2,3-dioxygenase (TDO2). We found that neuroblastoma cells displayed sensitivity to the TDO2 inhibitor 680C91, exposing potential vulnerabilities. Furthermore, combining TDO2 inhibition with retinoic acid or irinotecan (two chemotherapeutic agents used to treat neuroblastoma patients) revealed synergistic effects in select cell lines. Importantly, clinical correlation analysis using patient data established a link between elevated expression of Kyn-AHR pathway genes and adverse prognosis, particularly in older children. These findings underscore the significance of the Kyn-AHR pathway in neuroblastoma progression, emphasizing its potential role as a therapeutic target.
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Affiliation(s)
- Igor Lopes Dos Santos
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Michael Mitchell
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Pediatrics, University of Texas Dell Medical School, Austin, TX, USA
| | - Pedro A S Nogueira
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - M Carmen Lafita-Navarro
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Lizbeth Perez-Castro
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Joyane Eriom
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Jessica A Kilgore
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Noelle S Williams
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Lei Guo
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Lin Xu
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Maralice Conacci-Sorrell
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
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20
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Zhang M, Liu F, Shi F, Chen H, Hu Y, Sun H, Qi H, Xiong W, Deng C, Sun N. High-throughput detection allied with machine learning for precise monitoring of significant serum metabolic changes in Helicobacter pylori infection. Talanta 2024; 269:125483. [PMID: 38042145 DOI: 10.1016/j.talanta.2023.125483] [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: 10/03/2023] [Revised: 11/20/2023] [Accepted: 11/23/2023] [Indexed: 12/04/2023]
Abstract
High-throughput detection of large-scale samples is the foundation for rapidly accessing massive metabolic data in precision medicine. Machine learning is a powerful tool for uncovering valuable information hidden within massive data. In this work, we achieved the extraction of a single fingerprinting of 1 μL serum within 5 s through a high-throughput detection platform based on functionalized nanoparticles. We quickly obtained over a thousand serum metabolic fingerprintings (SMFs) including those of individuals with Helicobacter pylori (HP) infection. Combining four classical machine learning models and enrichment analysis, we attempted to extract and confirm useful information behind these SMFs. Based on all fingerprint signals, all four models achieved area under the curve (AUC) values of 0.983-1. In particular, orthogonal partial least squares discriminant analysis (OPLS-DA) model obtained value of 1 in both the discovery and validation sets. Fortunately, we identified six significant metabolic features, all of which can greatly contribute to the monitoring of HP infection, with AUC values ranging from 0.906 to 0.985. The combination of these six significant metabolic features can enable the precise monitoring of HP infection in serum, with over 95 % of accuracy, specificity and sensitivity. The OPLS-DA model displayed optimal performance and the corresponding scatter plot visualized the clear distinction between HP and HC. Interestingly, they exhibit a consistent reduction trend compared to healthy controls, prompting us to explore the possible metabolic pathways and potential mechanism. This work demonstrates the potential alliance between high-throughput detection and machine learning, advancing their application in precision medicine.
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Affiliation(s)
- Man Zhang
- Department of Chemistry, Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200433, China
| | - Fenghua Liu
- Department of Gastroenterology, Shibei Hospital of Jing'an District of Shanghai, 4500 Gong He Xin Road, Shanghai, 200435, China
| | - Fangying Shi
- Department of Chemistry, Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200433, China
| | - Haolin Chen
- Department of Chemistry, Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200433, China
| | - Yi Hu
- Department of Emergency Shibei Hospital of Jing'an District of Shanghai, 4500 Gong He Xin Road, Shanghai, 200435, China
| | - Hong Sun
- Medical Examination Section, Shibei Hospital of Jing'an District of Shanghai, 4500 Gong He Xin Road, Shanghai, 200435, China
| | - Hongxia Qi
- Department of Gastroenterology, Shibei Hospital of Jing'an District of Shanghai, 4500 Gong He Xin Road, Shanghai, 200435, China
| | - Wenjian Xiong
- Department of Gastroenterology, Shibei Hospital of Jing'an District of Shanghai, 4500 Gong He Xin Road, Shanghai, 200435, China.
| | - Chunhui Deng
- Department of Chemistry, Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200433, China; School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China.
| | - Nianrong Sun
- Department of Chemistry, Department of Gastroenterology and Hepatology, Zhongshan Hospital, Fudan University, Shanghai, 200433, China.
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21
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Cui L, Li S, Wang S, Wu X, Liu Y, Yu W, Wang Y, Tang Y, Xia M, Li B. Major depressive disorder: hypothesis, mechanism, prevention and treatment. Signal Transduct Target Ther 2024; 9:30. [PMID: 38331979 PMCID: PMC10853571 DOI: 10.1038/s41392-024-01738-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/24/2023] [Accepted: 12/28/2023] [Indexed: 02/10/2024] Open
Abstract
Worldwide, the incidence of major depressive disorder (MDD) is increasing annually, resulting in greater economic and social burdens. Moreover, the pathological mechanisms of MDD and the mechanisms underlying the effects of pharmacological treatments for MDD are complex and unclear, and additional diagnostic and therapeutic strategies for MDD still are needed. The currently widely accepted theories of MDD pathogenesis include the neurotransmitter and receptor hypothesis, hypothalamic-pituitary-adrenal (HPA) axis hypothesis, cytokine hypothesis, neuroplasticity hypothesis and systemic influence hypothesis, but these hypothesis cannot completely explain the pathological mechanism of MDD. Even it is still hard to adopt only one hypothesis to completely reveal the pathogenesis of MDD, thus in recent years, great progress has been made in elucidating the roles of multiple organ interactions in the pathogenesis MDD and identifying novel therapeutic approaches and multitarget modulatory strategies, further revealing the disease features of MDD. Furthermore, some newly discovered potential pharmacological targets and newly studied antidepressants have attracted widespread attention, some reagents have even been approved for clinical treatment and some novel therapeutic methods such as phototherapy and acupuncture have been discovered to have effective improvement for the depressive symptoms. In this work, we comprehensively summarize the latest research on the pathogenesis and diagnosis of MDD, preventive approaches and therapeutic medicines, as well as the related clinical trials.
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Affiliation(s)
- Lulu Cui
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Shu Li
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Siman Wang
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Xiafang Wu
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Yingyu Liu
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Weiyang Yu
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Yijun Wang
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Yong Tang
- International Joint Research Centre on Purinergic Signalling/Key Laboratory of Acupuncture for Senile Disease (Chengdu University of TCM), Ministry of Education/School of Health and Rehabilitation, Chengdu University of Traditional Chinese Medicine/Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
| | - Maosheng Xia
- Department of Orthopaedics, The First Hospital, China Medical University, Shenyang, China.
| | - Baoman Li
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China.
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China.
- China Medical University Centre of Forensic Investigation, Shenyang, China.
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22
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Ha GH, Yeon JY, Kim KH, Lee DM, Chae HY, Nam H, Lee K, Kim DO, Kim CK, Joo KM. Thrombin Priming Promotes the Neuroprotective Effects of Human Wharton's Jelly-Derived Mesenchymal Stem Cells Via the HGF/AKT/STAT3 Signaling Pathway. Stem Cells Dev 2024; 33:89-103. [PMID: 38164089 DOI: 10.1089/scd.2023.0191] [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] [Indexed: 01/03/2024] Open
Abstract
Mesenchymal stem cells (MSCs) directly differentiate into neurons and endothelial cells after transplantation, and their secretome has considerable potential for treating brain injuries. Previous studies have suggested that the effects of MSCs priming with exposure to hypoxia, cytokines, growth factors, or chemical agents could optimize the paracrine potency and therapeutic potential of MSCs. Studies have suggested that thrombin-primed Wharton's Jelly-derived mesenchymal stem cells (Th.WJ-MSCs) significantly enhance the neuroprotective beneficial effects of naive MSCs in brain injury such as hypoxic-ischemic brain injury (HIE) and intraventricular hemorrhage (IVH). This study aimed to characterize WJ-MSCs in terms of stem cell markers, differentiation, cell proliferation, and paracrine factors by comparing naive and Th.WJ-MSCs. We demonstrated that compared with naive MSCs, Th.MSCs significantly enhanced the neuroprotective effects in vitro. Moreover, we identified differentially expressed proteins in the conditioned media of naive and Th.WJ-MSCs by liquid chromatography-tandem mass spectrometry analysis. Secretome analysis of the conditioned medium of WJ-MSCs revealed that such neuroprotective effects were mediated by paracrine effects with secretomes of Th.WJ-MSCs, and hepatocyte growth factor was identified as a key paracrine mediator. These results can be applied further in the preclinical and clinical development of effective and safe cell therapeutics for brain injuries such as HIE and IVH.
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Affiliation(s)
- Geun-Hyoung Ha
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, Republic of Korea
- Medical Innovation Technology, Inc. (MEDINNO, Inc.), Seoul, Republic of Korea
| | - Je Young Yeon
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Ki Hoon Kim
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, Republic of Korea
- Medical Innovation Technology, Inc. (MEDINNO, Inc.), Seoul, Republic of Korea
| | - Du Man Lee
- Medical Innovation Technology, Inc. (MEDINNO, Inc.), Seoul, Republic of Korea
| | - Hye Yun Chae
- Medical Innovation Technology, Inc. (MEDINNO, Inc.), Seoul, Republic of Korea
| | - Hyun Nam
- Medical Innovation Technology, Inc. (MEDINNO, Inc.), Seoul, Republic of Korea
- Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
- Department of Anatomy and Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Kyunghoon Lee
- Department of Anatomy and Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Republic of Korea
| | - Dong Oh Kim
- Department of Anatomy and Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Chung Kwon Kim
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, Republic of Korea
- Medical Innovation Technology, Inc. (MEDINNO, Inc.), Seoul, Republic of Korea
| | - Kyeung Min Joo
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, Republic of Korea
- Medical Innovation Technology, Inc. (MEDINNO, Inc.), Seoul, Republic of Korea
- Stem Cell and Regenerative Medicine Institute, Research Institute for Future Medicine, Samsung Medical Center, Seoul, Republic of Korea
- Department of Anatomy and Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
- Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Republic of Korea
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23
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Muzik O, Shields AF, Barger GR, Jiang H, Chamiraju P, Juhász C. The First Human Application of an F-18-Labeled Tryptophan Analog for PET Imaging of Cancer. Mol Imaging Biol 2024; 26:29-35. [PMID: 38012510 DOI: 10.1007/s11307-023-01877-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/01/2023] [Accepted: 11/10/2023] [Indexed: 11/29/2023]
Abstract
PURPOSE Preclinical studies showed the tryptophan analog PET radiotracer 1-(2-18F-fluoroethyl)-L-tryptophan (18F-FETrp) to accumulate in various tumors, including gliomas, and being metabolized via the immunosuppressive kynurenine pathway. In this first-in-human study, we tested the use 18F-FETrp-PET in patients with neuroendocrine and brain tumors. PROCEDURES We applied dynamic brain imaging in patients with gliomas (n = 2) and multi-pass 3D whole-body PET scans in patients with neuroendocrine tumors (n =4). Semiquantitative analysis of organ and tumor tracer uptake was performed using standardized uptake values (SUVs). In addition, organ dosimetry was performed based on extracted time-activity curves and the OLINDA software. RESULTS Neuroendocrine tumors showed an early peak (10-min post-injection) followed by washout. Both gliomas showed prolonged 18F-FETrp accumulation plateauing around 40 min and showing heterogeneous uptake including non-enhancing tumor regions. Biodistribution showed moderate liver uptake and fast clearance of radioactivity into the urinary bladder; the estimated effective doses were similar to other 18F-labeled radioligands. CONCLUSIONS The study provides proof-of-principle data for the safety and potential clinical value of 18F-FETrp-PET for molecular imaging of human gliomas.
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Affiliation(s)
- Otto Muzik
- Department of Pediatrics, Wayne State University, Detroit, MI, USA.
- Department of Neurology, Wayne State University, Detroit, MI, USA.
- PET Center, Karmanos Cancer Institute, Detroit, MI, USA.
| | - Anthony F Shields
- PET Center, Karmanos Cancer Institute, Detroit, MI, USA
- Department of Oncology, Wayne State University, Detroit, MI, USA
| | | | - Huailei Jiang
- PET Center, Karmanos Cancer Institute, Detroit, MI, USA
- Department of Oncology, Wayne State University, Detroit, MI, USA
| | | | - Csaba Juhász
- Department of Pediatrics, Wayne State University, Detroit, MI, USA
- Department of Neurology, Wayne State University, Detroit, MI, USA
- PET Center, Karmanos Cancer Institute, Detroit, MI, USA
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24
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Dobrovolskienė N, Balevičius R, Mlynska A, Žilionytė K, Aleksander Krasko J, Strioga M, Lieknina I, Pjanova D, Pašukonienė V. Immunomodulatory properties of bacteriophage derived dsRNA of different size and their use as anticancer vaccine adjuvants. Vaccine 2024; 42:512-521. [PMID: 38184395 DOI: 10.1016/j.vaccine.2023.12.071] [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: 10/04/2023] [Revised: 12/14/2023] [Accepted: 12/21/2023] [Indexed: 01/08/2024]
Abstract
Dendritic cell (DC) based immunotherapy is one of the strategies to combat cancer invoking a patient's immune system. This form of anticancer immunotherapy employs adjuvants to enhance the immune response, triggering mechanisms of innate immunity and thus increase immunotherapeutic efficiency. A conventional adjuvant for DCs maturation during production of anticancer vaccines is bacterial LPS. Nevertheless, synthetic dsRNAs were also shown to stimulate different receptors on innate immune cells and to activate immune responses through induction of cytokines via toll-like receptors. In our study we investigated the potential of Larifan as dsRNA of natural origin to stimulate maturation of DCs with proinflammatory (possible antitumoral) activity and to compare these immunostimulatory properties between Larifan's fractions with different molecular lengths. To explore the suitability of this product for therapy, it is necessary to study the properties of its different fractions and compare them to standard adjuvants. We investigated the effect of Larifan's fractions on immune system stimulation in vivo by monitoring the survival time of tumor-bearing mice. Murine DCs produced in vitro using Larifan and its fractions together with tumor antigens during production were also characterized. All Larifan fractions resulted in inducing high expression of immunogenic markers CD40, CD80, CD86, CCR7, MHC II and lower secretion of the immunosuppressive cytokine IL-10, compared to the maturation with LPS in mDCs. The lowest expression of tolerogenic gene Ido1 and highest expression of the immunogenic genes Clec7a, Tnf, Icosl, Il12rb2, Cd209a were characteristic to the unfractionated dsRNA and short fraction FR15. In the mouse model the best overall survival rate was observed in mice treated with medium-length FR9 and FR15. We can state that both Larifan and its fractions were superior to LPS as vaccine adjuvants in stimulating phenotype and functional activity of mature DCs. DCs maturation using these factors induces a valuable anticancer immune response.
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Affiliation(s)
- Neringa Dobrovolskienė
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania.
| | - Ramojus Balevičius
- Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania.
| | - Agata Mlynska
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania; Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania.
| | - Karolina Žilionytė
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania.
| | - Jan Aleksander Krasko
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania; Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania.
| | - Marius Strioga
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania
| | - Ilva Lieknina
- Latvian Biomedical Research and Study Centre, Ratsupites Street 1, Riga LV-1067, Latvia.
| | - Dace Pjanova
- Latvian Biomedical Research and Study Centre, Ratsupites Street 1, Riga LV-1067, Latvia; Riga Stradins University, Ratsupites street 5., Riga LV-1067, Latvia.
| | - Vita Pašukonienė
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania; Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania.
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25
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Huang Y, Chen L, Liu F, Xiong X, Ouyang Y, Deng Y. Tryptophan, an important link in regulating the complex network of skin immunology response in atopic dermatitis. Front Immunol 2024; 14:1300378. [PMID: 38318507 PMCID: PMC10839033 DOI: 10.3389/fimmu.2023.1300378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/31/2023] [Indexed: 02/07/2024] Open
Abstract
Atopic dermatitis (AD) is a common chronic relapsing inflammatory skin disease, of which the pathogenesis is a complex interplay between genetics and environment. Although the exact mechanisms of the disease pathogenesis remain unclear, the immune dysregulation primarily involving the Th2 inflammatory pathway and accompanied with an imbalance of multiple immune cells is considered as one of the critical etiologies of AD. Tryptophan metabolism has long been firmly established as a key regulator of immune cells and then affect the occurrence and development of many immune and inflammatory diseases. But the relationship between tryptophan metabolism and the pathogenesis of AD has not been profoundly discussed throughout the literatures. Therefore, this review is conducted to discuss the relationship between tryptophan metabolism and the complex network of skin inflammatory response in AD, which is important to elucidate its complex pathophysiological mechanisms, and then lead to the development of new therapeutic strategies and drugs for the treatment of this frequently relapsing disease.
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Affiliation(s)
- Yaxin Huang
- Department of Dermatology & Sexually Transmitted Disease (STD), the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Lingna Chen
- Department of Dermatology & Sexually Transmitted Disease (STD), the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Fuming Liu
- Department of Dermatology & Sexually Transmitted Disease (STD), the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xia Xiong
- Department of Dermatology & Sexually Transmitted Disease (STD), the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Yongliang Ouyang
- Department of Dermatology & Sexually Transmitted Disease (STD), Chengdu First People’s Hospital, Chengdu, Sichuan, China
- Health Management Center, Luzhou People’s Hospital, Luzhou, China
| | - Yongqiong Deng
- Department of Dermatology & Sexually Transmitted Disease (STD), the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of Dermatology & Sexually Transmitted Disease (STD), Chengdu First People’s Hospital, Chengdu, Sichuan, China
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26
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Xiao W, Shi J. Application of adipose-derived stem cells in ischemic heart disease: theory, potency, and advantage. Front Cardiovasc Med 2024; 11:1324447. [PMID: 38312236 PMCID: PMC10834651 DOI: 10.3389/fcvm.2024.1324447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/09/2024] [Indexed: 02/06/2024] Open
Abstract
Adipose-derived mesenchymal stem cells (ASCs) represent an innovative candidate to treat ischemic heart disease (IHD) due to their abundance, renewable sources, minor invasiveness to obtain, and no ethical limitations. Compared with other mesenchymal stem cells, ASCs have demonstrated great advantages, especially in the commercialization of stem cell-based therapy. Mechanistically, ASCs exert a cardioprotective effect not only through differentiation into functional cells but also via robust paracrine of various bioactive factors that promote angiogenesis and immunomodulation. Exosomes from ASCs also play an indispensable role in this process. However, due to the distinct biological functions of ASCs from different origins or donors with varing health statuses (such as aging, diabetes, or atherosclerosis), the heterogeneity of ASCs deserves more attention. This prompts scientists to select optimal donors for clinical applications. In addition, to overcome the primary obstacle of poor retention and low survival after transplantation, a variety of studies have been dedicated to the engineering of ASCs with biomaterials. Besides, clinical trials have confirmed the safety and efficacy of ASCs therapy in the context of heart failure or myocardial infarction. This article reviews the theory, efficacy, and advantages of ASCs-based therapy, the factors affecting ASCs function, heterogeneity, engineering strategies and clinical application of ASCs.
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Affiliation(s)
| | - Jiahai Shi
- Department of Cardiothoracic Surgery, Affiliated Hospital and Medical School of Nantong University, Nantong, China
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27
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Chen J, Cui L, Lu S, Xu S. Amino acid metabolism in tumor biology and therapy. Cell Death Dis 2024; 15:42. [PMID: 38218942 PMCID: PMC10787762 DOI: 10.1038/s41419-024-06435-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/19/2023] [Accepted: 01/04/2024] [Indexed: 01/15/2024]
Abstract
Amino acid metabolism plays important roles in tumor biology and tumor therapy. Accumulating evidence has shown that amino acids contribute to tumorigenesis and tumor immunity by acting as nutrients, signaling molecules, and could also regulate gene transcription and epigenetic modification. Therefore, targeting amino acid metabolism will provide new ideas for tumor treatment and become an important therapeutic approach after surgery, radiotherapy, and chemotherapy. In this review, we systematically summarize the recent progress of amino acid metabolism in malignancy and their interaction with signal pathways as well as their effect on tumor microenvironment and epigenetic modification. Collectively, we also highlight the potential therapeutic application and future expectation.
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Affiliation(s)
- Jie Chen
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Likun Cui
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Shaoteng Lu
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China
| | - Sheng Xu
- National Key Lab of Immunity and Inflammation and Institute of Immunology, Naval Medical University/Second Military Medical University, Shanghai, 200433, China.
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, 200120, China.
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Kapnick SM, Martin CA, Jewell CM. Engineering metabolism to modulate immunity. Adv Drug Deliv Rev 2024; 204:115122. [PMID: 37935318 PMCID: PMC10843796 DOI: 10.1016/j.addr.2023.115122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 07/19/2023] [Accepted: 10/25/2023] [Indexed: 11/09/2023]
Abstract
Metabolic programming and reprogramming have emerged as pivotal mechanisms for altering immune cell function. Thus, immunometabolism has become an attractive target area for treatment of immune-mediated disorders. Nonetheless, many hurdles to delivering metabolic cues persist. In this review, we consider how biomaterials are poised to transform manipulation of immune cell metabolism through integrated control of metabolic configurations to affect outcomes in autoimmunity, regeneration, transplant, and cancer. We emphasize the features of nanoparticles and other biomaterials that permit delivery of metabolic cues to the intracellular compartment of immune cells, or strategies for altering signals in the extracellular space. We then provide perspectives on the potential for reciprocal regulation of immunometabolism by the physical properties of materials themselves. Lastly, opportunities for clinical translation are highlighted. This discussion contributes to our understanding of immunometabolism, biomaterials-based strategies for altering metabolic configurations in immune cells, and emerging concepts in this evolving field.
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Affiliation(s)
- Senta M Kapnick
- Fischell Department of Bioengineering, University of Maryland, 8278 Paint Branch Drive, College Park, MD, USA; Department of Veterans Affairs, VA Maryland Health Care System, 10 N Green Street, Baltimore, MD, USA
| | - Corinne A Martin
- Fischell Department of Bioengineering, University of Maryland, 8278 Paint Branch Drive, College Park, MD, USA
| | - Christopher M Jewell
- Fischell Department of Bioengineering, University of Maryland, 8278 Paint Branch Drive, College Park, MD, USA; Department of Veterans Affairs, VA Maryland Health Care System, 10 N Green Street, Baltimore, MD, USA; Robert E. Fischell Institute for Biomedical Devices, 8278 Paint Branch Drive, College Park, MD, USA; Marlene and Stewart Greenebaum Comprehensive Cancer Center, 22 S Greene Street, Suite N9E17, Baltimore, MD, USA.
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29
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Samanta S, Sengupta S, Biswas S, Ghosh S, Barman S, Dey A. Iron Dioxygen Adduct Formed during Electrochemical Oxygen Reduction by Iron Porphyrins Shows Catalytic Heme Dioxygenase Reactivity. J Am Chem Soc 2023; 145:26477-26486. [PMID: 37993986 DOI: 10.1021/jacs.3c10980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Heme dioxygenases oxidize the indole ring of tryptophan to kynurenine which is the first step in the biosynthesis of several important biomolecules like NAD, xanthurenic acid, and picolinic acid. A ferrous heme dioxygen adduct (or FeIII-O2•-) is the oxidant, and both the atoms of O2 are inserted in the product and its catalytic function has been difficult to emulate as it is complicated by competing rapid reactions like auto-oxidation and/or formation of the μ-oxo dimer. In situ resonance Raman spectroscopy technique, SERRS-RDE, is used to probe the species accumulated during electrochemical ORR catalyzed by site-isolated imidazole-bound iron porphyrin installed on a self-assembled monolayer covered electrode. These in situ SERRS-RDE data using labeled O2 show that indeed a FeIII-O2•- species accumulate on the electrode during ORR between -0.05 and -0.30 V versus Ag/AgCl (satd. KCl) and is reduced by proton coupled electron transfer to a FeIII-OOH species which, on the other hand, builds up on the electrode between -0.20 and -0.40 V versus Ag/AgCl (satd. KCl). This FeIII-OOH species then gives way to a FeIV═O species, which accumulates at -0.50 V versus Ag/AgCl (satd. KCl). When 2,3-dimethylindole is present in the solution and the applied potential is held in the range where FeIII-O2•- species accumulate, it gets oxidized to N-(2-acetylphenyl)acetamide retaining both the oxygens from O2 mimicking the reaction of heme dioxygenases. Turnover numbers more than 104 are recorded, establishing this imidazole-bound ferrous porphyrin as a functional model of heme dioxygenases.
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Affiliation(s)
- Soumya Samanta
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Srijan Sengupta
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Saptarshi Biswas
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Sucheta Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Sudip Barman
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Abhishek Dey
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
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Ren X, Wei Y, Zhao H, Shao J, Zeng F, Wang Z, Li L. A comprehensive review and comparison of L-tryptophan biosynthesis in Saccharomyces cerevisiae and Escherichia coli. Front Bioeng Biotechnol 2023; 11:1261832. [PMID: 38116200 PMCID: PMC10729320 DOI: 10.3389/fbioe.2023.1261832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/22/2023] [Indexed: 12/21/2023] Open
Abstract
L-tryptophan and its derivatives are widely used in the chemical, pharmaceutical, food, and feed industries. Microbial fermentation is the most commonly used method to produce L-tryptophan, which calls for an effective cell factory. The mechanism of L-tryptophan biosynthesis in Escherichia coli, the widely used producer of L-tryptophan, is well understood. Saccharomyces cerevisiae also plays a significant role in the industrial production of biochemicals. Because of its robustness and safety, S. cerevisiae is favored for producing pharmaceuticals and food-grade biochemicals. However, the biosynthesis of L-tryptophan in S. cerevisiae has been rarely summarized. The synthetic pathways and engineering strategies of L-tryptophan in E. coli and S. cerevisiae have been reviewed and compared in this review. Furthermore, the information presented in this review pertains to the existing understanding of how L-tryptophan affects S. cerevisiae's stress fitness, which could aid in developing a novel plan to produce more resilient industrial yeast and E. coli cell factories.
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Affiliation(s)
- Xinru Ren
- College of Science and Technology, Hebei Agricultural University, Cangzhou, China
| | - Yue Wei
- College of Science and Technology, Hebei Agricultural University, Cangzhou, China
| | - Honglu Zhao
- College of Science and Technology, Hebei Agricultural University, Cangzhou, China
| | - Juanjuan Shao
- College of Science and Technology, Hebei Agricultural University, Cangzhou, China
| | - Fanli Zeng
- College of Life Sciences, Hebei Agricultural University, Baoding, China
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Baoding, China
| | - Zhen Wang
- College of Science and Technology, Hebei Agricultural University, Cangzhou, China
- Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism, Baoding, China
| | - Li Li
- College of Science and Technology, Hebei Agricultural University, Cangzhou, China
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31
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Ritu, Chandra P, Das A. Immune checkpoint targeting antibodies hold promise for combinatorial cancer therapeutics. Clin Exp Med 2023; 23:4297-4322. [PMID: 37804358 DOI: 10.1007/s10238-023-01201-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 09/19/2023] [Indexed: 10/09/2023]
Abstract
Through improving the immune system's ability to recognize and combat tumor cells as well as its receptivity to changes in the tumor microenvironment, immunotherapy has emerged as a highly successful addition to the treatment of cancer. However, tumor heterogeneity poses a significant challenge in cancer therapy as it can undermine the anti-tumor immune response through the manipulation of the extracellular matrix. To address these challenges and improve targeted therapies and combination treatments, the food and drug administration has approved several immunomodulatory antibodies to suppress immunological checkpoints. Combinatorial therapies necessitate the identification of multiple targets that regulate the intricate communication between immune cells, cytokines, chemokines, and cellular responses within the tumor microenvironment. The purpose of this study is to provide a comprehensive overview of the ongoing clinical trials involving immunomodulatory antibodies in various cancer types. It explores the potential of these antibodies to modulate the immune system and enhance anti-tumor responses. Additionally, it discusses the perspectives and prospects of immunomodulatory therapeutics in cancer treatment. Although immunotherapy shows great promise in cancer treatment, it is not exempt from side effects that can arise due to hyperactivity of the immune system. Therefore, understanding the intricate balance between immune activation and regulation is crucial for minimizing these adverse effects and optimizing treatment outcomes. This study aims to contribute to the growing body of knowledge surrounding immunomodulatory antibodies and their potential as effective therapeutic options in cancer treatment, ultimately paving the way for improved patient outcomes and deepening our perception of the intricate interactivity between the immune system and tumors.
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Affiliation(s)
- Ritu
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, New Delhi, 110042, India
| | - Prakash Chandra
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, New Delhi, 110042, India
| | - Asmita Das
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, New Delhi, 110042, India.
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32
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Singh S, Singh N, Baranwal M, Sharma S, Devi SSK, Kumar S. Understanding immune checkpoints and PD-1/PD-L1-mediated immune resistance towards tumour immunotherapy. 3 Biotech 2023; 13:411. [PMID: 37997595 PMCID: PMC10663421 DOI: 10.1007/s13205-023-03826-2] [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: 12/28/2022] [Accepted: 10/18/2023] [Indexed: 11/25/2023] Open
Abstract
Immunotherapy has emerged as a transformative approach in the treatment of various cancers, offering new hope for patients previously faced with limited treatment options. A cornerstone of cancer immunotherapy lies in targeting immune checkpoints, particularly the programmed cell death protein-1 (PD-1) and programmed death-ligand 1 (PD-L1) pathway. Immune checkpoints serve as crucial regulators of the immune response, preventing excessive immune activity and maintaining self-tolerance. PD-1, expressed on the surface of T cells, and its ligand PD-L1, expressed on various cell types, including cancer cells and immune cells, play a central role in this regulatory process. Although the success rate associated with these immunotherapies is very promising, most patients still show intrinsic or acquired resistance. Since the mechanisms related to PD-1/PD-L1 resistance are not well understood, an in-depth analysis is necessary to improve the success rate of anti-PD-1/PD-L1 therapy. Hence, here we provide an overview of PD-1, its ligand PD-L1, and the resistance mechanism towards PD-1/PD-L1. Furthermore, we have discussed the plausible solution to increase efficacy and clinical response. For the following research, joint endeavours of clinicians and basic scientists are essential to address the limitation of resistance towards immunotherapy.
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Affiliation(s)
- Sidhartha Singh
- School of Bioscience and Bioengineering, D Y Patil International University, Pune, Maharastra 411051 India
| | - Navneet Singh
- Department of Pulmonary Medicine, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012 India
| | - Manoj Baranwal
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, 147004 India
| | - Siddharth Sharma
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, 147004 India
| | - S. S. Kirthiga Devi
- Department of Regulatory Affairs, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana 500037 India
| | - Sandeep Kumar
- Department of Regulatory Affairs, National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana 500037 India
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33
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Fadhilah F, Indrati AR, Dewi S, Santoso P. The Kynurenine/Tryptophan Ratio as a Promising Metabolomic Biomarker for Diagnosing the Spectrum of Tuberculosis Infection and Disease. Int J Gen Med 2023; 16:5587-5595. [PMID: 38045904 PMCID: PMC10693202 DOI: 10.2147/ijgm.s438364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 11/11/2023] [Indexed: 12/05/2023] Open
Abstract
The metabolic system and immunology used to be seen as distinct fields of study. Recent developments in our understanding of how the immune system operates in health and disease have connected these fields to complex systems. An effective technique for identifying probable abnormalities of metabolic homeostasis brought on by disease is metabolomics, which is defined as the thorough study of small molecule metabolic intermediates within a biological system that collectively make up the metabolome. A prognostic metabolic biomarker with adequate prognostic accuracy for tuberculosis progression has recently been created. The rate-limiting host enzyme for the conversion of tryptophan to kynurenine, indoleamine 2,3-dioxygenase (IDO), is greatly elevated in the lungs of tuberculosis disease patients. Targeted study on tryptophan in tuberculosis disease indicates that such decreases may also resembled this upregulation. Although tuberculosis diagnosis has improved with the use of interferon release assay and tuberculosis nucleic acid amplification, tuberculosis control is made difficult by the lack of a biomarker to diagnose active tuberculosis disease. We hope that the reader of this work can develop an understanding of the advantages of metabolomics testing, particularly as a sort of testing that can be used for both diagnosing and monitoring a patient's response to treatment for tuberculosis.
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Affiliation(s)
- Fitri Fadhilah
- Doctorate in Medicine Program, Faculty of Medicine, Universitas Padjadjaran, Bandung, West Java, Indonesia
| | - Agnes Rengga Indrati
- Clinical Pathology Department, Hasan Sadikin General Hospital, Faculty of Medicine, Universitas Padjadjaran, Bandung, West Java, Indonesia
| | - Sumartini Dewi
- Internal Medicine Department, Hasan Sadikin General Hospital, Faculty of Medicine, Universitas Padjadjaran, Bandung, West Java, Indonesia
| | - Prayudi Santoso
- Internal Medicine Department, Hasan Sadikin General Hospital, Faculty of Medicine, Universitas Padjadjaran, Bandung, West Java, Indonesia
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34
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Miłek O, Tur D, Ahčin L, Voitseshyna O, Behm C, Andrukhov O. Osteogenic Differentiation of Human Periodontal Ligament Stromal Cells Influences Their Immunosuppressive Potential toward Allogenic CD4 + T Cells. Int J Mol Sci 2023; 24:16439. [PMID: 38003629 PMCID: PMC10671619 DOI: 10.3390/ijms242216439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/10/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
The differentiation ability of human periodontal ligament mesenchymal stromal cells (hPDL-MSCs) in vivo is limited; therefore, some studies considered strategies involving their pre-differentiation in vitro. However, it is not known how the differentiation of hPDL-MSCs influences their immunomodulatory properties. This study investigated how osteogenic differentiation of hPDL-MSCs affects their ability to suppress CD4+ T-lymphocyte proliferation. hPDL-MSCs were cultured for 21 days in osteogenic differentiation or standard culture media. Allogeneic CD4+ T lymphocytes were co-cultured with undifferentiated and differentiated cells in the presence or absence of interferon (IFN)-γ, interleukin (IL)-1β or tumor necrosis factor (TNF)-α, and their proliferation and apoptosis were measured. Additionally, the effects of these cytokines on the expression of immunomodulatory or pro-inflammatory factors were investigated. Our data show that osteogenic differentiation of hPDL-MSCs reduced their ability to suppress the proliferation of CD4+ T lymphocytes in the presence of IFN-γ and enhanced this ability in the presence of IL-1β. These changes were accompanied by a slightly decreased proportion of apoptotic CD4+ in the presence of IFN-γ. The osteogenic differentiation was accompanied by decreases and increases in the activity of indoleamine-2,3-dioxygenase in the presence of IFN-γ and IL-1β, respectively. The basal production of interleukin-8 by hPDL-MSCs was substantially increased upon osteogenic differentiation. In conclusion, this study suggests that pre-differentiation strategies in vitro may impact the immunomodulatory properties of hPDL-MSCs and subsequently affect their therapeutic effectiveness in vivo. These findings provide important insights for the development of MSC-based therapies.
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Affiliation(s)
- Oliwia Miłek
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria; (O.M.); (L.A.); (O.V.)
| | - Dino Tur
- Clinical Division of Periodontology, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria;
| | - Lucia Ahčin
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria; (O.M.); (L.A.); (O.V.)
| | - Olha Voitseshyna
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria; (O.M.); (L.A.); (O.V.)
| | - Christian Behm
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria; (O.M.); (L.A.); (O.V.)
| | - Oleh Andrukhov
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria; (O.M.); (L.A.); (O.V.)
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Payet M, Septembre-Malaterre A, Gasque P, Guillot X. Human Synovial Mesenchymal Stem Cells Expressed Immunoregulatory Factors IDO and TSG6 in a Context of Arthritis Mediated by Alphaviruses. Int J Mol Sci 2023; 24:15932. [PMID: 37958918 PMCID: PMC10649115 DOI: 10.3390/ijms242115932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/26/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
Infection by arthritogenic alphaviruses (aavs) can lead to reactive arthritis, which is characterized by inflammation and persistence of the virus; however, its mechanisms remain ill-characterized. Intriguingly, it has been shown that viral persistence still takes place in spite of robust innate and adaptive immune responses, characterized notably by the infiltration of macrophages (sources of TNF-alpha) as well as T/NK cells (sources of IFN-gamma) in the infected joint. Aavs are known to target mesenchymal stem cells (MSCs) in the synovium, and we herein tested the hypothesis that the infection of MSCs may promote the expression of immunoregulators to skew the anti-viral cellular immune responses. We compared the regulated expression via human synovial MSCs of pro-inflammatory mediators (e.g., IL-1β, IL6, CCL2, miR-221-3p) to that of immunoregulators (e.g., IDO, TSG6, GAS6, miR146a-5p). We used human synovial tissue-derived MSCs which were infected with O'Nyong-Nyong alphavirus (ONNV, class II aav) alone, or combined with recombinant human TNF-α or IFN-γ, to mimic the clinical settings. We confirmed via qPCR and immunofluorescence that ONNV infected human synovial tissue-derived MSCs. Interestingly, ONNV alone did not regulate the expression of pro-inflammatory mediators. In contrast, IDO, TSG6, and GAS6 mRNA expression were increased in response to ONNV infection alone, but particularly when combined with both recombinant cytokines. ONNV infection equally decreased miR-146a-5p and miR-221-3p in the untreated cells and abrogated the stimulatory activity of the recombinant TNF-α but not the IFN-gamma. Our study argues for a major immunoregulatory phenotype of MSCs infected with ONNV which may favor virus persistence in the inflamed joint.
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Affiliation(s)
- Melissa Payet
- Research Unit ‘Etudes Pharmaco-Immunologiques’ UR EPI, Université de la Réunion, 97400 Saint-Denis, La Réunion, France; (M.P.); (A.S.-M.)
| | - Axelle Septembre-Malaterre
- Research Unit ‘Etudes Pharmaco-Immunologiques’ UR EPI, Université de la Réunion, 97400 Saint-Denis, La Réunion, France; (M.P.); (A.S.-M.)
| | - Philippe Gasque
- Research Unit ‘Etudes Pharmaco-Immunologiques’ UR EPI, Université de la Réunion, 97400 Saint-Denis, La Réunion, France; (M.P.); (A.S.-M.)
- Immunology Laboratory (LICE-OI), CHU Bellepierre, Reunion University Hospital, 97400 Saint-Denis, La Réunion, France
| | - Xavier Guillot
- Research Unit ‘Etudes Pharmaco-Immunologiques’ UR EPI, Université de la Réunion, 97400 Saint-Denis, La Réunion, France; (M.P.); (A.S.-M.)
- Rheumatology Clinical Department, CHU Bellepierre, Reunion University Hospital, 97400 Saint-Denis, La Réunion, France
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Zheng Y, Yao Y, Ge T, Ge S, Jia R, Song X, Zhuang A. Amino acid metabolism reprogramming: shedding new light on T cell anti-tumor immunity. J Exp Clin Cancer Res 2023; 42:291. [PMID: 37924140 PMCID: PMC10623764 DOI: 10.1186/s13046-023-02845-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 09/28/2023] [Indexed: 11/06/2023] Open
Abstract
Metabolic reprogramming of amino acids has been increasingly recognized to initiate and fuel tumorigenesis and survival. Therefore, there is emerging interest in the application of amino acid metabolic strategies in antitumor therapy. Tremendous efforts have been made to develop amino acid metabolic node interventions such as amino acid antagonists and targeting amino acid transporters, key enzymes of amino acid metabolism, and common downstream pathways of amino acid metabolism. In addition to playing an essential role in sustaining tumor growth, new technologies and studies has revealed amino acid metabolic reprograming to have wide implications in the regulation of antitumor immune responses. Specifically, extensive crosstalk between amino acid metabolism and T cell immunity has been reported. Tumor cells can inhibit T cell immunity by depleting amino acids in the microenvironment through nutrient competition, and toxic metabolites of amino acids can also inhibit T cell function. In addition, amino acids can interfere with T cells by regulating glucose and lipid metabolism. This crucial crosstalk inspires the exploitation of novel strategies of immunotherapy enhancement and combination, owing to the unprecedented benefits of immunotherapy and the limited population it can benefit. Herein, we review recent findings related to the crosstalk between amino acid metabolism and T cell immunity. We also describe possible approaches to intervene in amino acid metabolic pathways by targeting various signaling nodes. Novel efforts to combine with and unleash potential immunotherapy are also discussed. Hopefully, some strategies that take the lead in the pipeline may soon be used for the common good.
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Affiliation(s)
- Yue Zheng
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Yiran Yao
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Tongxin Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Shengfang Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China
| | - Renbing Jia
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China.
| | - Xin Song
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China.
| | - Ai Zhuang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 20025, P. R. China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 20025, P. R. China.
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Zheng X, Zhu Y, Zhao Z, Chu Y, Yang W. The role of amino acid metabolism in inflammatory bowel disease and other inflammatory diseases. Front Immunol 2023; 14:1284133. [PMID: 37936710 PMCID: PMC10626463 DOI: 10.3389/fimmu.2023.1284133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 10/10/2023] [Indexed: 11/10/2023] Open
Abstract
Inflammation is a characteristic symptom of the occurrence and development of many diseases, which is mainly characterized by the infiltration of inflammatory cells such as macrophages and granulocytes, and the increased release of proinflammatory factors. Subsequently, macrophage differentiates and T cells and other regulated factors exhibit anti-inflammatory function, releasing pro- and anti-inflammatory factors to maintain homeostasis. Although reports define various degrees of metabolic disorders in both the inflamed and non-inflamed parts of inflammatory diseases, little is known about the changes in amino acid metabolism in such conditions. This review aims to summarize amino acid changes and mechanisms involved in the progression of inflammatory bowel disease (IBD) and other inflammatory diseases. Since mesenchymal stem cells (MSCs) and their derived exosomes (MSC-EXO) have been found to show promising effects in the treatment of IBD and other inflammatory diseases,their potential in the modulation of amino acid metabolism in the treatment of inflammation is also discussed.
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Affiliation(s)
- Xiaowen Zheng
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Yi Zhu
- The People’s Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Zhenjiang, Jiangsu, China
| | - Zihan Zhao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Ying Chu
- Changzhou Key Laboratory of Molecular Diagnostics and Precision Cancer Medicine, Wujin Hospital Affiliated with Jiangsu University, Changzhou, Jiangsu, China
| | - Wenjing Yang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
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Čolić M, Miljuš N, Đokić J, Bekić M, Krivokuća A, Tomić S, Radojević D, Radanović M, Eraković M, Ismaili B, Škrbić R. Pomegranate Peel Extract Differently Modulates Gene Expression in Gingiva-Derived Mesenchymal Stromal Cells under Physiological and Inflammatory Conditions. Int J Mol Sci 2023; 24:15407. [PMID: 37895087 PMCID: PMC10607867 DOI: 10.3390/ijms242015407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
Pomegranate has shown a favorable effect on gingivitis/periodontitis, but the mechanisms involved are poorly understood. The aim of this study was to test the effect of pomegranate peel extract (PoPEx) on gingiva-derived mesenchymal stromal cells (GMSCs) under physiological and inflammatory conditions. GMSC lines from healthy (H) and periodontitis (P) gingiva (n = 3 of each) were established. The lines were treated with two non-toxic concentrations of PoPEX (low-10; high-40 µg/mL), with or without additional lipopolysaccharide (LPS) stimulation. Twenty-four genes in GMSCs involved in different functions were examined using real-time polymerase chain reaction (RT-PCR). PoPEx (mostly at higher concentrations) inhibited the basal expression of IL-6, MCP-1, GRO-α, RANTES, IP-10, HIF-1α, SDF-1, and HGF but increased the expression of IL-8, TLR3, TGF-β, TGF-β/LAP ratio, IDO-1, and IGFB4 genes in H-GMSCs. PoPEx increased IL-6, RANTES, MMP3, and BMP2 but inhibited TLR2 and GRO-α gene expression in P-GMSCs. LPS upregulated genes for proinflammatory cytokines and chemokines, tissue regeneration/repair (MMP3, IGFBP4, HGF), and immunomodulation (IP-10, RANTES, IDO-1, TLR3, COX-2), more strongly in P-GMSCs. PoPEx also potentiated most genes' expression in LPS-stimulated P-GMSCs, including upregulation of osteoblastic genes (RUNX2, BMP2, COL1A1, and OPG), simultaneously inhibiting cell proliferation. In conclusion, the modulatory effects of PoPEx on gene expression in GMSCs are complex and dependent on applied concentrations, GMSC type, and LPS stimulation. Generally, the effect is more pronounced in inflammation-simulating conditions.
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Grants
- 451-03-68/2020-14/200019 Ministry of Education, Science and Technological Development, Republic of Serbia
- MFVMA/03/20-22 University of Defense in Belgrade, Medical Faculty of the Military Medical Academy, Belgrade, Serbia
- UIS/MFF: I.1.20-22 University of East Sarajevo, Medical Faculty Foča, Foča, Bosnia and Herzegovina
- N/A Medical Faculty Banja Luka, University of Banja Luka, Bosnia and Herzegovina
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Affiliation(s)
- Miodrag Čolić
- Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia
- Medical Faculty Foča, University of East Sarajevo, 73300 Foča, Bosnia and Herzegovina;
| | - Nataša Miljuš
- Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina; (N.M.); (A.K.); (R.Š.)
| | - Jelena Đokić
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Serbia; (J.Đ.); (D.R.)
| | - Marina Bekić
- Institute for the Application of Nuclear Energy, University of Belgrade, 11080 Belgrade, Serbia; (M.B.); (S.T.)
| | - Aleksandra Krivokuća
- Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina; (N.M.); (A.K.); (R.Š.)
| | - Sergej Tomić
- Institute for the Application of Nuclear Energy, University of Belgrade, 11080 Belgrade, Serbia; (M.B.); (S.T.)
| | - Dušan Radojević
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11042 Belgrade, Serbia; (J.Đ.); (D.R.)
| | - Marina Radanović
- Medical Faculty Foča, University of East Sarajevo, 73300 Foča, Bosnia and Herzegovina;
| | - Mile Eraković
- Clinic for Stomatology, Medical Faculty of the Military Medical Academy, University of Defense, 11154 Belgrade, Serbia;
| | - Bashkim Ismaili
- Faculty of Dental Medicine, International Balkan University, 1000 Skopje, North Macedonia;
| | - Ranko Škrbić
- Faculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina; (N.M.); (A.K.); (R.Š.)
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León-Letelier RA, Dou R, Vykoukal J, Sater AHA, Ostrin E, Hanash S, Fahrmann JF. The kynurenine pathway presents multi-faceted metabolic vulnerabilities in cancer. Front Oncol 2023; 13:1256769. [PMID: 37876966 PMCID: PMC10591110 DOI: 10.3389/fonc.2023.1256769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 09/22/2023] [Indexed: 10/26/2023] Open
Abstract
The kynurenine pathway (KP) and associated catabolites play key roles in promoting tumor progression and modulating the host anti-tumor immune response. To date, considerable focus has been on the role of indoleamine 2,3-dioxygenase 1 (IDO1) and its catabolite, kynurenine (Kyn). However, increasing evidence has demonstrated that downstream KP enzymes and their associated metabolite products can also elicit tumor-microenvironment immune suppression. These advancements in our understanding of the tumor promotive role of the KP have led to the conception of novel therapeutic strategies to target the KP pathway for anti-cancer effects and reversal of immune escape. This review aims to 1) highlight the known biological functions of key enzymes in the KP, and 2) provide a comprehensive overview of existing and emerging therapies aimed at targeting discrete enzymes in the KP for anti-cancer treatment.
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Affiliation(s)
- Ricardo A. León-Letelier
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Rongzhang Dou
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jody Vykoukal
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Ali Hussein Abdel Sater
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Edwin Ostrin
- Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Samir Hanash
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Johannes F. Fahrmann
- Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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Wang Y, Song J, Yu K, Nie D, Zhao C, Jiao L, Wang Z, Zhou L, Wang F, Yu Q, Zhang S, Wen Z, Wu J, Wang CY, Wang DW, Cheng J, Zhao C. Indoleamine 2,3-Dioxygenase 1 Deletion-Mediated Kynurenine Insufficiency Inhibits Pathological Cardiac Hypertrophy. Hypertension 2023; 80:2099-2111. [PMID: 37485661 DOI: 10.1161/hypertensionaha.122.20809] [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: 12/15/2022] [Accepted: 07/10/2023] [Indexed: 07/25/2023]
Abstract
BACKGROUND Aberrant amino acid metabolism is implicated in cardiac hypertrophy, while the involvement of tryptophan metabolism in pathological cardiac hypertrophy remains elusive. Herein, we aimed to investigate the effect and potential mechanism of IDO1 (indoleamine 2,3-dioxygenase) and its metabolite kynurenine (Kyn) on pathological cardiac hypertrophy. METHODS Transverse aortic constriction was performed to induce cardiac hypertrophy in IDO1-knockout (KO) mice and AAV9-cTNT-shIDO1 mice. Liquid chromatography-mass spectrometry was used to detect the metabolites of tryptophan-Kyn pathway. Chromatin immunoprecipitation assay and dual luciferase assay were used to validate the binding of protein and DNA. RESULTS IDO1 expression was upregulated in both human and murine hypertrophic myocardium, alongside with increased IDO1 activity and Kyn content in transverse aortic constriction-induced mice's hearts using liquid chromatography-mass spectrometry analysis. Myocardial remodeling and heart function were significantly improved in transverse aortic constriction-induced IDO1-KO mice, but were greatly exacerbated with subcutaneous Kyn administration. IDO1 inhibition or Kyn addition confirmed the alleviation or aggravation of hypertrophy in cardiomyocyte treated with isoprenaline, respectively. Mechanistically, IDO1 and metabolite Kyn contributed to pathological hypertrophy via the AhR (aryl hydrocarbon receptor)-GATA4 (GATA binding protein 4) axis. CONCLUSIONS This study demonstrated that IDO1 deficiency and consequent Kyn insufficiency can protect against pathological cardiac hypertrophy by decreasing GATA4 expression in an AhR-dependent manner.
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Affiliation(s)
- Yinhui Wang
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Jia Song
- Reproductive Medicine Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (J.S.)
| | - Kun Yu
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Daan Nie
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (D.N.)
- Department of Cardiovascular Medicine, The Affiliated Hospital of Guizhou Medical University, Guiyang, China (D.N.)
| | - Chengcheng Zhao
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Liping Jiao
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences Tongji Shanxi Hospital, Taiyuan, China (L.J.)
| | - Ziyi Wang
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Ling Zhou
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Feng Wang
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Qilin Yu
- The Center for Biomedical Research, NHC Key Laboratory of Respiratory Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Q.Y., S.Z., C.-Y.W.)
| | - Shu Zhang
- The Center for Biomedical Research, NHC Key Laboratory of Respiratory Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Q.Y., S.Z., C.-Y.W.)
| | - Zheng Wen
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Junfang Wu
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Cong-Yi Wang
- The Center for Biomedical Research, NHC Key Laboratory of Respiratory Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Q.Y., S.Z., C.-Y.W.)
| | - Dao Wen Wang
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Jia Cheng
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
| | - Chunxia Zhao
- Department of Internal Medicine, Division of Cardiology, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.W., K.Y., Chengcheng Zhao, Z. Wang, L.Z., F.W., Z. Wen, J.W., D.W.W., J.C., Chunxia Zhao)
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Oljuskin T, Azodi N, Volpedo G, Bhattacharya P, Markle HL, Hamano S, Matlashewski G, Satoskar AR, Gannavaram S, Nakhasi HL. Leishmania major centrin knock-out parasites reprogram tryptophan metabolism to induce a pro-inflammatory response. iScience 2023; 26:107593. [PMID: 37744403 PMCID: PMC10517402 DOI: 10.1016/j.isci.2023.107593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 07/07/2023] [Accepted: 08/07/2023] [Indexed: 09/26/2023] Open
Abstract
Leishmaniasis is a parasitic disease that is prevalent in 90 countries, and yet no licensed human vaccine exists against it. Toward control of leishmaniasis, we have developed Leishmania major centrin gene deletion mutant strains (LmCen-/-) as a live attenuated vaccine, which induces a strong IFN-γ-mediated protection to the host. However, the immune mechanisms of such protection remain to be understood. Metabolomic reprogramming of the host cells following Leishmania infection has been shown to play a critical role in pathogenicity and shaping the immune response following infection. Here, we applied untargeted mass spectrometric analysis to study the metabolic changes induced by infection with LmCen-/- and compared those with virulent L. major parasite infection to identify the immune mechanism of protection. Our data show that immunization with LmCen-/- parasites, in contrast to virulent L. major infection promotes a pro-inflammatory response by utilizing tryptophan to produce melatonin and downregulate anti-inflammatory kynurenine-AhR and FICZ-AhR signaling.
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Affiliation(s)
- Timur Oljuskin
- Animal Parasitic Diseases Laboratory, Agricultural Research Service, USDA, Beltsville, MD 20705, USA
| | - Nazli Azodi
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD 20993, USA
| | - Greta Volpedo
- Department of Microbiology, The Ohio State University, Columbus, OH 43210, USA
| | - Parna Bhattacharya
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD 20993, USA
| | - Hannah L. Markle
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD 20993, USA
| | - Shinjiro Hamano
- Department of Parasitology, Institute of Tropical Medicine (NEKKEN), The Joint Usage/Research Center on Tropical Disease, Nagasaki University, Nagasaki, Japan
- Nagasaki University Graduate School of Biomedical Sciences Doctoral Leadership Program, Nagasaki, Japan
| | - Greg Matlashewski
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Abhay R. Satoskar
- Department of Microbiology, The Ohio State University, Columbus, OH 43210, USA
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA
| | - Sreenivas Gannavaram
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD 20993, USA
| | - Hira L. Nakhasi
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD 20993, USA
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Suzuki T, Iizuka T, Kagami K, Matsumoto T, Yamazaki R, Daikoku T, Horie A, Ono M, Hattori A, Fujiwara H. Laeverin/aminopeptidase Q induces indoleamine 2,3-dioxygenase-1 in human monocytes. iScience 2023; 26:107692. [PMID: 37705960 PMCID: PMC10495628 DOI: 10.1016/j.isci.2023.107692] [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: 03/23/2023] [Revised: 05/23/2023] [Accepted: 08/17/2023] [Indexed: 09/15/2023] Open
Abstract
Human extravillous trophoblast (EVT) invades the maternal endometrium and reconstructs uterine spiral arteries cooperatively with maternal immune cells. Although EVT has allogeneic paternal antigens, the maternal immune system does not reject it. Here, we found that laeverin (LVRN), an EVT-specific cell surface peptidase, interacts with monocytes to produce indoleamine 2,3-dioxygenase-1 (IDO1). LVRN-transfected Swan71 cells, a cytotrophoblast-derived cell line, and increased IDO1 expression in PBMC under cell-to-cell interacting conditions. Soluble recombinant LVRN (r-LVRN) interacted with CD14-positive monocytes and induced their IDO1 expression without the intervention of other immune cell populations. LVRN-induced IDO1 production was promoted in PMA-activated monocyte-like THP-1 cells. Furthermore, r-LVRN decreased the tryptophan level and increased the kynurenine/tryptophan ratio in the culture media of the PMA-treated THP-1 cells. These findings suggest that LVRN is one of the key molecules that mediate the interaction between EVT and monocytes/macrophages and creates an immunosuppressive environment at the maternal-fetal interface in the uterus.
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Affiliation(s)
- Takuma Suzuki
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Takashi Iizuka
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Kyosuke Kagami
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Takeo Matsumoto
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Rena Yamazaki
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Takiko Daikoku
- Division of Animal Disease Model, Research Center for Experimental Modeling of Human Disease, Kanazawa University, Kanazawa, Japan
| | - Akihito Horie
- Department of Gynecology and Obstetrics, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masanori Ono
- Department of Obstetrics and Gynecology, Tokyo Medical University, Shinjuku, Tokyo 160-0023, Japan
| | - Akira Hattori
- Department of System Chemotherapy and Molecular Sciences, Kyoto University Graduate School of Pharmaceutical Sciences, Kyoto, Japan
| | - Hiroshi Fujiwara
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
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Viúdez-Pareja C, Kreft E, García-Caballero M. Immunomodulatory properties of the lymphatic endothelium in the tumor microenvironment. Front Immunol 2023; 14:1235812. [PMID: 37744339 PMCID: PMC10512957 DOI: 10.3389/fimmu.2023.1235812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/08/2023] [Indexed: 09/26/2023] Open
Abstract
The tumor microenvironment (TME) is an intricate complex and dynamic structure composed of various cell types, including tumor, stromal and immune cells. Within this complex network, lymphatic endothelial cells (LECs) play a crucial role in regulating immune responses and influencing tumor progression and metastatic dissemination to lymph node and distant organs. Interestingly, LECs possess unique immunomodulatory properties that can either promote or inhibit anti-tumor immune responses. In fact, tumor-associated lymphangiogenesis can facilitate tumor cell dissemination and metastasis supporting immunoevasion, but also, different molecular mechanisms involved in LEC-mediated anti-tumor immunity have been already described. In this context, the crosstalk between cancer cells, LECs and immune cells and how this communication can shape the immune landscape in the TME is gaining increased interest in recent years. In this review, we present a comprehensive and updated report about the immunomodulatory properties of the lymphatic endothelium within the TME, with special focus on primary tumors and tumor-draining lymph nodes. Furthermore, we outline emerging research investigating the potential therapeutic strategies targeting the lymphatic endothelium to enhance anti-tumor immune responses. Understanding the intricate mechanisms involved in LEC-mediated immune modulation in the TME opens up new possibilities for the development of innovative approaches to fight cancer.
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Affiliation(s)
- Cristina Viúdez-Pareja
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, Andalucía Tech, University of Málaga, Málaga, Spain
- IBIMA (Biomedical Research Institute of Málaga)-Plataforma BIONAND, Málaga, Spain
| | - Ewa Kreft
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, Andalucía Tech, University of Málaga, Málaga, Spain
- IBIMA (Biomedical Research Institute of Málaga)-Plataforma BIONAND, Málaga, Spain
| | - Melissa García-Caballero
- Department of Molecular Biology and Biochemistry, Faculty of Sciences, Andalucía Tech, University of Málaga, Málaga, Spain
- IBIMA (Biomedical Research Institute of Málaga)-Plataforma BIONAND, Málaga, Spain
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Ma Z, Li Z, Mao Y, Ye J, Liu Z, Wang Y, Wei C, Cui J, Liu Z, Liang X. AhR diminishes the efficacy of chemotherapy via suppressing STING dependent type-I interferon in bladder cancer. Nat Commun 2023; 14:5415. [PMID: 37670034 PMCID: PMC10480448 DOI: 10.1038/s41467-023-41218-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 08/28/2023] [Indexed: 09/07/2023] Open
Abstract
The induction of type-I interferons (IFN-Is) is important for the efficacy of chemotherapy. By investigating the role of amino acids in regulation of IFN-I production under chemo-drug treatment in bladder cancer (BC) cells, we find an inherent AhR-dependent negative feedback to restrain STING signaling and IFN-I production. Mechanistically, in a ligand dependent manner, AhR bridges STING and CUL4B/RBX1 E3 ligase complex, facilitating STING degradation through ubiquitin-proteasome pathway. Inhibition of AhR increases STING levels and reduces tumor growth under cisplatin or STING agonist treatment. Endogenous AhR ligands are mainly consisted of tryptophan (Trp) metabolites; dietary Trp restriction, blocking the key Trp metabolism rate-limiting enzyme IDO1 or inhibition of cellular Trp importation also show similar effect as AhR inhibition. Clinically, BC patients with higher intratumoral expression of AhR or stronger intratumoral Trp metabolism (higher IDO1 or Kyn levels) that lead to higher AhR activation show worse response rate to neoadjuvant chemotherapy (NAC).
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Affiliation(s)
- Zikun Ma
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
| | - Zhiyong Li
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
| | - Yize Mao
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
- Department of Pancreatobiliary Surgery, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
| | - Jingwei Ye
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
| | - Zefu Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha, 410008, P. R. China
| | - Yuzhao Wang
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China
| | - Chen Wei
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jun Cui
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, P. R. China.
| | - Zhuowei Liu
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China.
- Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China.
- Sun Yat-sen University Cancer Center Gansu Hospital, Lanzhou, 730050, P. R. China.
| | - Xiaoyu Liang
- State Key Laboratory of Oncology in South China, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China.
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, Guangzhou, 510060, P. R. China.
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Gatti DM, Gauthier CM, Moeller BE, FitzPatrick RD, Kennedy MHE, Pluzhnikova V, Conway KME, Smazynski J, Chow RL, Reynolds LA. MHCII+CD80+ thymic eosinophils increase in abundance during neonatal development in mice and their accumulation is microbiota dependent. J Leukoc Biol 2023; 114:223-236. [PMID: 37227004 DOI: 10.1093/jleuko/qiad064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 05/03/2023] [Accepted: 05/16/2023] [Indexed: 05/26/2023] Open
Abstract
Eosinophils are present in the thymus of mammals, yet their function at this site during homeostatic development is unknown. We used flow cytometry to determine the abundance and phenotype of eosinophils (here defined as SSchigh SiglecF+ CD11b+ CD45+ cells) in the thymus of mice during the neonatal period, the later postnatal period, and into adulthood. We show that both the total number of thymic eosinophils and their frequency among leukocytes increase over the first 2 wk of life and that their accumulation in the thymus is dependent on the presence of an intact bacterial microbiota. We report that thymic eosinophils express the interleukin-5 receptor (CD125), CD80, and IDO, and that subsets of thymic eosinophils express CD11c and major histocompatibility complex II (MHCII). We found that the frequency of MHCII-expressing thymic eosinophils increases over the first 2 wk of life, and that during this early-life period the highest frequency of MHCII-expressing thymic eosinophils is located in the inner medullary region. These data suggest a temporal and microbiota-dependent regulation of eosinophil abundance and functional capabilities in the thymus.
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Affiliation(s)
- Dominique M Gatti
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Courtney M Gauthier
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Brandon E Moeller
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Rachael D FitzPatrick
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Mia H E Kennedy
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Victoria Pluzhnikova
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Kate M E Conway
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Julian Smazynski
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
- Deeley Research Centre, BC Cancer, 2410 Lee Avenue, Victoria, British Columbia, V8R 6VSCanada
| | - Robert L Chow
- Department of Biology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
| | - Lisa A Reynolds
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia, V8P 5C2, Canada
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Rachdi L, Zhou Z, Berthault C, Lourenço C, Fouque A, Domet T, Armanet M, You S, Peakman M, Mallone R, Scharfmann R. Tryptophan metabolism promotes immune evasion in human pancreatic β cells. EBioMedicine 2023; 95:104740. [PMID: 37536063 PMCID: PMC10412781 DOI: 10.1016/j.ebiom.2023.104740] [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: 03/13/2023] [Revised: 07/18/2023] [Accepted: 07/18/2023] [Indexed: 08/05/2023] Open
Abstract
BACKGROUND To resist the autoimmune attack characteristic of type 1 diabetes, insulin producing pancreatic β cells need to evade T-cell recognition. Such escape mechanisms may be conferred by low HLA class I (HLA-I) expression and upregulation of immune inhibitory molecules such as Programmed cell Death Ligand 1 (PD-L1). METHODS The expression of PD-L1, HLA-I and CXCL10 was evaluated in the human β cell line, ECN90, and in primary human and mouse pancreatic islets. Most genes were determined by real-time RT-PCR, flow cytometry and Western blot. Activator and inhibitor of the AKT signaling were used to modulate PD-L1 induction. Key results were validated by monitoring activity of CD8+ Jurkat T cells presenting β cell specific T-cell receptor and transduced with reporter genes in contact culture with the human β cell line, ECN90. FINDINGS In this study, we identify tryptophan (TRP) as an agonist of PD-L1 induction through the AKT signaling pathway. TRP also synergistically enhanced PD-L1 expression on β cells exposed to interferon-γ. Conversely, interferon-γ-mediated induction of HLA-I and CXCL10 genes was down-regulated upon TRP treatment. Finally, TRP and its derivatives inhibited the activation of islet-reactive CD8+ T cells by β cells. INTERPRETATION Collectively, our findings indicate that TRP could induce immune tolerance to β cells by promoting their immune evasion through HLA-I downregulation and PD-L1 upregulation. FUNDING Dutch Diabetes Research Foundation, DON Foundation, the Laboratoire d'Excellence consortium Revive (ANR-10-LABX-0073), Agence Nationale de la Recherche (ANR-19-CE15-0014-01), Fondation pour la Recherche Médicale (EQ U201903007793-EQU20193007831), Innovative Medicines InitiativeINNODIA and INNODIA HARVEST, Aides aux Jeunes Diabetiques (AJD) and Juvenile Diabetes Research Foundation Ltd (JDRF).
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Affiliation(s)
- Latif Rachdi
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France.
| | - Zhicheng Zhou
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France
| | - Claire Berthault
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France
| | - Chloe Lourenço
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France
| | - Alexis Fouque
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France
| | - Thomas Domet
- Assistance Publique Hôpitaux de Paris, Cell Therapy Unit, Saint Louis Hospital, Paris 75010, France
| | - Mathieu Armanet
- Assistance Publique Hôpitaux de Paris, Cell Therapy Unit, Saint Louis Hospital, Paris 75010, France
| | - Sylvaine You
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France
| | - Mark Peakman
- Department of Immunobiology, School of Immunology and Microbial Sciences, King's College London, London SE1 9RT, UK
| | - Roberto Mallone
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France; Assistance Publique Hôpitaux de Paris, Service de Diabétologie et Immunologie Clinique, Cochin Hospital, Paris 75014, France
| | - Raphael Scharfmann
- Université Paris Cité, Institut Cochin, CNRS, INSERM, Paris 75014, France
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Mariño KV, Blidner AG, Rabinovich GA. Anchoring immunosuppression to inflamed tissue. Nat Biomed Eng 2023; 7:1060-1062. [PMID: 37353678 DOI: 10.1038/s41551-023-01055-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2023]
Affiliation(s)
- Karina V Mariño
- Laboratorio de Glicómica Funcional y Molecular, Programa de Glicociencias, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
| | - Ada G Blidner
- Laboratorio de Glicomedicina, Programa de Glicociencias, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
| | - Gabriel A Rabinovich
- Laboratorio de Glicomedicina, Programa de Glicociencias, Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina.
- Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.
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48
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Hussain A, Xie L, Deng G, Kang X. Common alterations in plasma free amino acid profiles and gut microbiota-derived tryptophan metabolites of five types of cancer patients. Amino Acids 2023; 55:1189-1200. [PMID: 37490156 DOI: 10.1007/s00726-023-03308-y] [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: 06/17/2023] [Accepted: 07/21/2023] [Indexed: 07/26/2023]
Abstract
Amino acids not only play a vital role in the synthesis of biological molecules such as proteins in cancer malignant cells, they are also essential metabolites for immune cell activation and antitumor effects in the tumor microenvironment. The abnormal changes in amino acid metabolism are closely related to the occurrence and development of tumors and immunity. Intestinal microorganisms play an essential role in amino acid metabolism, and tryptophan and its intestinal microbial metabolites are typical representatives. However, it is known that the cyclic amino acid profile is affected by specific cancer types, so relevant studies mainly focus on one type of cancer and rarely study different cancer forms at the same time. The objective of this study was to examine the PFAA profile of five cancer patients and the characteristics of tryptophan intestinal microbial metabolites to determine whether there are general amino acid changes across tumors. Plasma samples were collected from esophageal (n = 53), lung (n = 73), colorectal (n = 94), gastric (n = 55), breast cancer (n = 25), and healthy control (HC) (n = 139) subjects. PFAA profile and tryptophan metabolites were measured, and their perioperative changes were examined using high-performance liquid chromatography. Univariate analysis revealed significant differences between cancer patients and HC. Furthermore, multivariate analysis discriminated cancer patients from HC. Regression diagnosis models were established for each cancer group using differential amino acids from univariate analysis. Receiver-operating characteristic analysis was applied to evaluate these diagnosis models. Finally, GABA, arginine, tryptophan, taurine, glutamic acid, and melatonin showed common alterations across all types of cancer patients. Metabolic pathway analysis shows that the most significant enrichment pathways were tryptophan, arginine, and proline metabolism. This study provides evidence that common alterations of the metabolites mentioned above suggest their role in the pathogenesis of each cancer patient. It was suggested that multivariate models based on PFAA profiles and tryptophan metabolites might be applicable in the screening of cancer patients.
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Affiliation(s)
- Ahad Hussain
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
- Key Laboratory of Child Development and Learning Science of Ministry of Education of China, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Li Xie
- College of Animal Science and Food Engineering, Jinling Institute of Technology, Nanjing, 210038, Jiangsu, China
| | - Guozhe Deng
- Key Laboratory of Child Development and Learning Science of Ministry of Education of China, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xuejun Kang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
- Key Laboratory of Child Development and Learning Science of Ministry of Education of China, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, China.
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49
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Yiong CS, Lin TP, Lim VY, Toh TB, Yang VS. Biomarkers for immune checkpoint inhibition in sarcomas - are we close to clinical implementation? Biomark Res 2023; 11:75. [PMID: 37612756 PMCID: PMC10463641 DOI: 10.1186/s40364-023-00513-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 07/26/2023] [Indexed: 08/25/2023] Open
Abstract
Sarcomas are a group of diverse and complex cancers of mesenchymal origin that remains poorly understood. Recent developments in cancer immunotherapy have demonstrated a potential for better outcomes with immune checkpoint inhibition in some sarcomas compared to conventional chemotherapy. Immune checkpoint inhibitors (ICIs) are key agents in cancer immunotherapy, demonstrating improved outcomes in many tumor types. However, most patients with sarcoma do not benefit from treatment, highlighting the need for identification and development of predictive biomarkers for response to ICIs. In this review, we first discuss United States (US) Food and Drug Administration (FDA)-approved and European Medicines Agency (EMA)-approved biomarkers, as well as the limitations of their use in sarcomas. We then review eight potential predictive biomarkers and rationalize their utility in sarcomas. These include gene expression signatures (GES), circulating neutrophil-to-lymphocyte ratio (NLR), indoleamine 2,3-dioxygenase (IDO), lymphocyte activation gene 3 (LAG-3), T cell immunoglobin and mucin domain-containing protein 3 (TIM-3), TP53 mutation status, B cells, and tertiary lymphoid structures (TLS). Finally, we discuss the potential for TLS as both a predictive and prognostic biomarker for ICI response in sarcomas to be implemented in the clinic.
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Affiliation(s)
- Chin Sern Yiong
- Translational Precision Oncology Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore
- Department of Pharmacy, National University of Singapore, Singapore, 117544, Singapore
| | - Tzu Ping Lin
- Translational Precision Oncology Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore
- Department of Pharmacy, National University of Singapore, Singapore, 117544, Singapore
| | - Vivian Yujing Lim
- Translational Precision Oncology Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore
| | - Tan Boon Toh
- The N.1 Institute for Health, National University of Singapore, Singapore, Singapore
- The Institute for Digital Medicine (WisDM), National University of Singapore, Singapore, Singapore
| | - Valerie Shiwen Yang
- Translational Precision Oncology Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore.
- Division of Medical Oncology, National Cancer Centre Singapore, Singapore, 169610, Singapore.
- Duke-NUS Medical School, Oncology Academic Clinical Program, Singapore, 169857, Singapore.
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50
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Mulik S, Berber E, Sehrawat S, Rouse BT. Controlling viral inflammatory lesions by rebalancing immune response patterns. Front Immunol 2023; 14:1257192. [PMID: 37671156 PMCID: PMC10475736 DOI: 10.3389/fimmu.2023.1257192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 08/07/2023] [Indexed: 09/07/2023] Open
Abstract
In this review, we discuss a variety of immune modulating approaches that could be used to counteract tissue-damaging viral immunoinflammatory lesions which typify many chronic viral infections. We make the point that in several viral infections the lesions can be largely the result of one or more aspects of the host response mediating the cell and tissue damage rather than the virus itself being directly responsible. However, within the reactive inflammatory lesions along with the pro-inflammatory participants there are also other aspects of the host response that may be acting to constrain the activity of the damaging components and are contributing to resolution. This scenario should provide the prospect of rebalancing the contributions of different host responses and hence diminish or even fully control the virus-induced lesions. We identify several aspects of the host reactions that influence the pattern of immune responsiveness and describe approaches that have been used successfully, mainly in model systems, to modulate the activity of damaging participants and which has led to lesion control. We emphasize examples where such therapies are, or could be, translated for practical use in the clinic to control inflammatory lesions caused by viral infections.
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Affiliation(s)
- Sachin Mulik
- Center for Biomedical Research, The University of Texas Health Science Center at Tyler, Tyler, TX, United States
| | - Engin Berber
- Infection Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Sharvan Sehrawat
- Indian Institute of Science Education and Research, Department of Biological Sciences, Mohali, Punjab, India
| | - Barry Tyrrell Rouse
- College of Veterinary Medicine, University of Tennessee, Knoxville, TN, United States
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