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Wei Z, Ni X, Cui H, Shu C, Peng Y, Li Y, Liu J. Neurotoxic effects of triclosan in adolescent mice: Pyruvate kinase M2 dimer regulated Signal transducer and activator of transcription 3 phosphorylation mediated microglia activation and neuroinflammation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 942:173739. [PMID: 38839007 DOI: 10.1016/j.scitotenv.2024.173739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/27/2024] [Accepted: 06/01/2024] [Indexed: 06/07/2024]
Abstract
Triclosan (TCS), a commonly used antibacterial agent, is associated with various harmful effects on mammalian neurodevelopment, particularly when exposed prenatally. This study investigated the impact of long-term exposure to TCS on the prefrontal cortex development in adolescent mice. We evaluated the motor ability, motor coordination, and anxiety behavior of mice using open field tests (OFT) and elevated cross maze tests (EPM). An increase in movement distance, number of passes through the central area, and open arm retention time was observed in mice treated with TCS. Hematoxylin eosin staining and Nissl staining also showed significant adverse reactions in the brain tissue of TCS-exposed group. TCS induced microglia activation and increased inflammatory factors expression in the prefrontal cortex. TCS also increased the expression of pyruvate kinase M2 (PKM2), thereby elevating the levels of PKM2 dimer, which entered the nucleus. Treatment with TEPP46 (PKM2 dimer nuclear translocation inhibitor) blocked the expression of inflammatory factors induced by TCS. TCS induced the phosphorylation of nuclear signal transducer and activator of transcription 3 (STAT3) in vivo and in vitro, upregulating the levels of inflammatory cytokines. The results also demonstrated the binding of PKM2 to STAT3, which promoted STAT3 phosphorylation at the Tyr705 site, thereby regulating the expression of inflammatory factors. These findings highlight the role of PKM2-regulated STAT3 phosphorylation in TCS-induced behavioral disorders in adolescents and propose a reliable treatment target for TCS.
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Affiliation(s)
- Ziyun Wei
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Xiao Ni
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - He Cui
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Chang Shu
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Yuxuan Peng
- Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China
| | - Yunwei Li
- Department of General Surgery, Colorectal Surgery, The First Hospital of China Medical University, Shenyang 110001, Liaoning, PR China.
| | - Jieyu Liu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, PR China; Department of Health Laboratory Technology, School of Public Health, China Medical University, Shenyang 110122, PR China.
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2
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Jiang Y, Liu L, Geng Y, Li Q, Luo D, Liang L, Liu W, Ouyang W, Hu J. Feasibility of the inhibitor development for cancer: A systematic approach for drug design. PLoS One 2024; 19:e0306632. [PMID: 39173044 PMCID: PMC11341021 DOI: 10.1371/journal.pone.0306632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 06/20/2024] [Indexed: 08/24/2024] Open
Abstract
The traditional Chinese medicine (TCM) bupleurum-ginger-licorice formula presents significant anti-cancer effects, but its active ingredients and inhibitory mechanism remain unclear. In this work, the core effective ingredient quercetin and its signal transducer and activator of transcription 3 (Stat3) receptor both were identified by network pharmacology. Quercetin is a low-toxicity, non-carcinogenic flavonoid with antioxidant, anti-inflammatory and anticancer activities, which is widely distributed in edible plants. Stat3 can bind to specific DNA response elements and serves as a transcription factor to promote the translation of some invasion/migration-related target genes, considered as a potential anticancer target. Here, molecular docking and molecular dynamics (MD) simulation both were used to explore molecular recognition of quercetin with Stat3. The results show that quercetin impairs DNA transcription efficiency by hindering Stat3 dimerization, partially destroying DNA conformation. Specifically, when the ligand occupies the SH2 cavity of the enzyme, spatial rejection is not conductive to phosphokinase binding. It indirectly prevents the phosphorylation of Y705 and the formation of Stat3 dimer. When the inhibitor binds to the DT1005 position, it obviously shortens the distance between DNA and DBD, enhances their binding capacity, and thereby reduces the degree of freedom required for transcription. This work not only provides the binding modes between Stat3 and quercetin, but also contributes to the optimization and design of such anti-cancer inhibitors.
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Affiliation(s)
- Yu Jiang
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Ling Liu
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
- Department of Thoracic Oncology, Affiliated Cancer Hospital, Guizhou Medical University, Guiyang, China
| | - Yichao Geng
- Department of Thoracic Oncology, Affiliated Cancer Hospital, Guizhou Medical University, Guiyang, China
| | - Qingsong Li
- Department of Thoracic Oncology, Affiliated Cancer Hospital, Guizhou Medical University, Guiyang, China
| | - Daxian Luo
- Department of Thoracic Oncology, Affiliated Cancer Hospital, Guizhou Medical University, Guiyang, China
| | - Li Liang
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Wei Liu
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
| | - Weiwei Ouyang
- Department of Thoracic Oncology, Affiliated Cancer Hospital, Guizhou Medical University, Guiyang, China
| | - Jianping Hu
- Key Laboratory of Medicinal and Edible Plants Resources Development of Sichuan Education Department, School of Pharmacy, Chengdu University, Chengdu, China
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Trivedi TS, Shaikh AM, Mankad AU, Rawal RM, Patel SK. Genome-Wide Characterization of Fennel (Anethum foeniculum) MiRNome and Identification of its Potential Targets in Homo sapiens and Arabidopsis thaliana: An Inter and Intra-species Computational Scrutiny. Biochem Genet 2024; 62:2766-2795. [PMID: 38017284 DOI: 10.1007/s10528-023-10575-7] [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: 05/29/2023] [Accepted: 10/26/2023] [Indexed: 11/30/2023]
Abstract
MicroRNAs could be promising biomarkers for various diseases, and small RNA drugs have already been FDA approved for clinical use. This area of research is rapidly expanding and has significant potential for the future. Fennel (Anethum foeniculum) is a highly esteemed spice plant with economic and medicinal benefits, making it an invaluable asset in the pharmaceutical industry. To characterize the fennel miRNAs and their Arabidopsis thaliana and Homo sapience targets with functional enrichment analysis and human disease association. A homology-based computational approach characterized the MiRnome of the Anethum foeniculum genome and assessed its impact on Arabidopsis thaliana and Homo sapience transcriptomes. In addition, functional enrichment analysis was evaluated for both species' targets. Moreover, PPI network analysis, hub gene identification, and MD simulation analysis of the top hub node with fennel miRNA were incorporated. We have identified 100 miRNAs of fennel and their target genes, which include 2536 genes in Homo sapiens and 1314 genes in Arabidopsis thaliana. Functional enrichment analysis reveals 56 Arabidopsis thaliana targets of fennel miRNAs showed involvement in metabolic pathways. Highly enriched human KEGG pathways were associated with several diseases, especially cancer. The protein-protein interaction network of human targets determined the top ten nodes; from them, seven hub nodes, namely MAPK1, PIK3R1, STAT3, EGFR, KRAS, CDC42, and SMAD4, have shown their involvement in the pancreatic cancer pathway. Based on the Blast algorithm, 21 fennel miRNAs are homologs to 16 human miRNAs were predicted; from them, the CSPP1 target was a common target for afo-miR11117a-3p and has-miR-6880-5p homologs miRNAs. Our results are the first to report the 100 fennel miRNAs, and predictions for their endogenous and human target genes provide a basis for further understanding of Anethum foeniculum miRNAs and the biological processes and diseases with which they are associated.
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Affiliation(s)
- Tithi S Trivedi
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India
| | - Aafrinbanu M Shaikh
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India
| | - Archana U Mankad
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India
| | - Rakesh M Rawal
- Department of Life Sciences, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India
| | - Saumya K Patel
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India.
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4
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Fasouli ES, Katsantoni E. Age-associated myeloid malignancies - the role of STAT3 and STAT5 in myelodysplastic syndrome and acute myeloid leukemia. FEBS Lett 2024. [PMID: 39048534 DOI: 10.1002/1873-3468.14985] [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: 03/16/2024] [Revised: 06/08/2024] [Accepted: 06/17/2024] [Indexed: 07/27/2024]
Abstract
In the last few decades, the increasing human life expectancy has led to the inflation of the elderly population and consequently the escalation of age-related disorders. Biological aging has been associated with the accumulation of somatic mutations in the Hematopoietic Stem Cell (HSC) compartment, providing a fitness advantage to the HSCs leading to clonal hematopoiesis, that includes non-malignant and malignant conditions (i.e. Clonal Hematopoiesis of Indeterminate Potential, Myelodysplastic Syndrome and Acute Myeloid Leukemia). The Janus Kinase-Signal Transducer and Activator of Transcription (JAK-STAT) pathway is a key player in both normal and malignant hematopoiesis. STATs, particularly STAT3 and STAT5, are greatly implicated in normal hematopoiesis, immunity, inflammation, leukemia, and aging. Here, the pleiotropic functions of JAK-STAT pathway in age-associated hematopoietic defects and of STAT3 and STAT5 in normal hematopoiesis, leukemia, and inflammaging are reviewed. Even though great progress has been made in deciphering the role of STATs, further research is required to provide a deeper understanding of the molecular mechanisms of leukemogenesis, as well as novel biomarkers and therapeutic targets for improved management of age-related disorders.
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Affiliation(s)
- Eirini Sofia Fasouli
- Biomedical Research Foundation, Academy of Athens, Basic Research Center, Athens, Greece
| | - Eleni Katsantoni
- Biomedical Research Foundation, Academy of Athens, Basic Research Center, Athens, Greece
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Janjua D, Thakur K, Aggarwal N, Chaudhary A, Yadav J, Chhokar A, Tripathi T, Joshi U, Senrung A, Bharti AC. Prognostic and therapeutic potential of STAT3: Opportunities and challenges in targeting HPV-mediated cervical carcinogenesis. Crit Rev Oncol Hematol 2024; 197:104346. [PMID: 38608913 DOI: 10.1016/j.critrevonc.2024.104346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/28/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024] Open
Abstract
Cervical cancer (CaCx) ranks as the fourth most prevalent cancer among women globally. Persistent infection of high-risk human papillomaviruses (HR-HPVs) is major etiological factor associated with CaCx. Signal Transducer and Activator of Transcription 3 (STAT3), a prominent member of the STAT family, has emerged as independent oncogenic driver. It is a target of many oncogenic viruses including HPV. How STAT3 influences HPV viral gene expression or gets affected by HPV is an area of active investigation. A better understanding of host-virus interaction will provide a prognostic and therapeutic window for CaCx control and management. In this comprehensive review, we delve into carcinogenic role of STAT3 in development of HPV-induced CaCx. With an emphasis on fascinating interplay between STAT3 and HPV genome, the review explores the diverse array of opportunities and challenges associated with this field to harness the prognostic and therapeutic potential of STAT3 in CaCx.
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Affiliation(s)
- Divya Janjua
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India
| | - Kulbhushan Thakur
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India
| | - Nikita Aggarwal
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India
| | - Apoorva Chaudhary
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India
| | - Joni Yadav
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India
| | - Arun Chhokar
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India; Department of Zoology, Deshbandhu College, University of Delhi, Delhi, India
| | - Tanya Tripathi
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India
| | - Udit Joshi
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India
| | - Anna Senrung
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India; Department of Zoology, Daulat Ram College, University of Delhi, Delhi, India
| | - Alok Chandra Bharti
- Molecular Oncology Laboratory, Department of Zoology, University of Delhi (North Campus), New Delhi, India.
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6
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Chen Y, Huang L, Gan RH, Yuan S, Lan T, Zheng D, Lu YG. IL-8 activates fibroblasts to promote the invasion of HNSCC cells via STAT3-MMP1. Cell Death Discov 2024; 10:65. [PMID: 38320998 PMCID: PMC10847094 DOI: 10.1038/s41420-024-01833-7] [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: 09/29/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 02/08/2024] Open
Abstract
Matrix metalloproteinase-1 (MMP1) has an aberrant expression relevant to various behaviors of cancers. As dominant components of the tumor stroma, fibroblasts constitute an important source of Matrix metalloproteinase (MMPs) including mainly MMP1. The impacts of MMP1 derived from fibroblasts in tumor microenvironment, however, is not well defined. In this study, we demonstrated a part of crosstalk between fibroblasts and cancer cells that enhanced the invasiveness of cancer cells, IL8-induced activation of STAT3 signaling pathway as a key promoter to elevated MMP1 level in fibroblasts that supports the migration and invasion of head and neck squamous cell carcinoma (HNSCC) cells by extracellular matrix degradation. Importantly, once exposed to the inhibitor of STAT3 phosphorylation (TPCA-1), the enhanced induction of HNSCC cells invasion triggered by fibroblasts was significantly impaired.
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Affiliation(s)
- Yu Chen
- Department of Preventive Dentistry, Affiliated Stomatological Hospital, Fujian Medical University, 246 Yang Qiao Middle Road, Fuzhou, 350000, China
- Fujian Key laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, 88 Jiaotong Rd, Fuzhou, 350004, China
| | - Li Huang
- Department of Oral and Maxillofacial Surgery, Affiliated First Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, 350005, China
| | - Rui-Huan Gan
- Department of Preventive Dentistry, Affiliated Stomatological Hospital, Fujian Medical University, 246 Yang Qiao Middle Road, Fuzhou, 350000, China
- Fujian Key laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, 88 Jiaotong Rd, Fuzhou, 350004, China
| | - Shuo Yuan
- Fujian Key laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, 88 Jiaotong Rd, Fuzhou, 350004, China
| | - Ting Lan
- Department of Preventive Dentistry, Affiliated Stomatological Hospital, Fujian Medical University, 246 Yang Qiao Middle Road, Fuzhou, 350000, China
- Fujian Key laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, 88 Jiaotong Rd, Fuzhou, 350004, China
| | - Dali Zheng
- Department of Preventive Dentistry, Affiliated Stomatological Hospital, Fujian Medical University, 246 Yang Qiao Middle Road, Fuzhou, 350000, China.
- Fujian Key laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, 88 Jiaotong Rd, Fuzhou, 350004, China.
| | - You-Guang Lu
- Department of Preventive Dentistry, Affiliated Stomatological Hospital, Fujian Medical University, 246 Yang Qiao Middle Road, Fuzhou, 350000, China.
- Fujian Key laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, 88 Jiaotong Rd, Fuzhou, 350004, China.
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7
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Stanilov N, Velikova T, Stanilova S. Navigating the Cytokine Seas: Targeting Cytokine Signaling Pathways in Cancer Therapy. Int J Mol Sci 2024; 25:1009. [PMID: 38256080 PMCID: PMC10815616 DOI: 10.3390/ijms25021009] [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: 12/22/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Cancer remains one of the leading causes of morbidity and mortality worldwide, necessitating continuous efforts to develop effective therapeutic strategies. Over the years, advancements in our understanding of the complex interplay between the immune system and cancer cells have led to the development of immunotherapies that revolutionize cancer treatment. Cytokines, as key regulators of the immune response, are involved in both the initiation and progression of cancer by affecting inflammation and manipulating multiple intracellular signaling pathways that regulate cell growth, proliferation, and migration. Cytokines, as key regulators of inflammation, have emerged as promising candidates for cancer therapy. This review article aims to provide an overview of the significance of cytokines in cancer development and therapy by highlighting the importance of targeting cytokine signaling pathways as a potential therapeutic approach.
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Affiliation(s)
- Noyko Stanilov
- Medical Faculty, Trakia University, 6000 Stara Zagora, Bulgaria;
| | - Tsvetelina Velikova
- Medical Faculty, Sofia University St. Kliment Ohridski, 1 Kozyak Str., 1407 Sofia, Bulgaria
| | - Spaska Stanilova
- Department of Molecular Biology, Immunology and Medical Genetics, Medical Faculty, Trakia University, 6000 Stara Zagora, Bulgaria;
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Mohammadi T, Azizi G, Rafiemanesh H, Farahani P, Nirouei M, Tavakol M. A systematic review regarding the prevalence of malignancy in patients with the hyper-IgE syndrome. Clin Exp Med 2023; 23:4835-4859. [PMID: 37924455 DOI: 10.1007/s10238-023-01228-5] [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: 08/05/2023] [Accepted: 10/18/2023] [Indexed: 11/06/2023]
Abstract
The hyper-immunoglobulin E syndrome (HIES) is a primary immunodeficiency disease originally described as Job syndrome. The fundamental causative variant of the HIES is an autosomal dominant mutation in the signal transducer and activator of transcription 3 (STAT3) gene. It is characterized by recurrent staphylococcal cold skin abscess, sinopulmonary infection, eczema, head and face anomalies, frequent bone fractures, eosinophilia and extremely high serum IgE levels (IgE ≥ 2000 IU/mL). However, multiple other genetic defects are also known as HIES-like disorders. Apart from infectious manifestations, STAT3, DOCK8 and TYK2 gene mutations are associated with various malignancies. The most common malignancies reported in these patients are lymphomas, including Hodgkin's and non-Hodgkin's lymphomas (NHL) of B and T cells. This systematic review aimed to investigate the prevalence of malignancies in HIES and the factors associated with malignancy in these patients. In this survey, all articles published until April 1st, 2023, in Scopus, PubMed and Web of Science databases based on three groups of keywords related to HIES syndrome and malignancy were reviewed by three different researchers. Finally, 26 articles were evaluated from which 24 papers were meta-analyzed. In the current study, the demographic information of 1133 patients with HIES, which was mentioned in 24 articles enrolled in the project, was collected, and the information related to patients who had malignancy was analyzed and meta-analyzed. A total of 96 patients out of 1133 studied patients had at least one type of malignancy, the overall prevalence of malignancies reported in the articles was 6.5% (95% confidence interval 4.1-9%), and the total prevalence of malignancy in patients with NHL type and patients with squamous cell carcinoma (SCC) was 2.9% (95% confidence interval 1.7-4.4%) and 2.2% (95% confidence interval 0.3-4.1%), respectively. The results of this study indicated that in 6.5% of cases, HIES was complicated with malignancy, and considering the higher rate of these malignancies in women as well as in DOCK8 mutation sufferers, it is necessary for physicians to be aware of this association and includes malignancy screening in follow-up and periodic examinations of these patients. Indeed, more studies in this field will help to clarify the precise figures and predisposing factors of the relationship between HIES and malignancy.
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Affiliation(s)
- Tayebeh Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Hosein Rafiemanesh
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Pouria Farahani
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | | | - Marzieh Tavakol
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.
- Department of Pediatrics, Alborz University of Medical Sciences, Karaj, Iran.
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9
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Arévalo J, Campoy I, Durán M, Nemours S, Areny A, Vall-Palomar M, Martínez C, Cantero-Recasens G, Meseguer A. STAT3 phosphorylation at serine 727 activates specific genetic programs and promotes clear cell renal cell carcinoma (ccRCC) aggressiveness. Sci Rep 2023; 13:19552. [PMID: 37945711 PMCID: PMC10636117 DOI: 10.1038/s41598-023-46628-5] [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: 03/17/2023] [Accepted: 11/03/2023] [Indexed: 11/12/2023] Open
Abstract
The signal transducer and activator of transcription 3 (STAT3) is a transcription factor mainly activated by phosphorylation in either tyrosine 705 (Y705) or serine 727 (S727) residues that regulates essential processes such as cell differentiation, apoptosis inhibition, or cell survival. Aberrant activation of STAT3 has been related to development of nearly 50% of human cancers including clear cell renal cell carcinoma (ccRCC). In fact, phosho-S727 (pS727) levels correlate with overall survival of ccRCC patients. With the aim to elucidate the contribution of STAT3 phosphorylation in ccRCC development and progression, we have generated human-derived ccRCC cell lines carrying STAT3 Y705 and S727 phosphomutants. Our data show that the phosphomimetic substitution Ser727Asp facilitates a pro-tumoral phenotype in vitro, in a Y705-phosphorylation-independent manner. Moreover, we describe that STAT3 phosphorylation state determines the expression of different subsets of target genes associated with distinct biological processes, being pS727-dependent genes the most related to cellular hallmarks of cancer. In summary, the present study constitutes the first analysis on the role of overall STAT3 phosphorylation state in ccRCC and demonstrates that pS727 promotes the expression of a specific subset of target genes that might be clinically relevant as novel biomarkers and potential therapeutic targets for ccRCC.
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Affiliation(s)
- J Arévalo
- Renal Physiopathology Group, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain.
| | - I Campoy
- Renal Physiopathology Group, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - M Durán
- Renal Physiopathology Group, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - S Nemours
- Molecular Oncology Group, Biodonostia Health Research Institute, Paseo Dr. Begiristain, s/n, 20014, San Sebastián, Spain
| | - A Areny
- Renal Physiopathology Group, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - M Vall-Palomar
- Renal Physiopathology Group, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - C Martínez
- Vascular and Renal Translational Research Group, Lleida Institute for Biomedical Research Dr. Pifarré Foundation (IRBLleida), Av. Alcalde Rovira Roure, 80, 25198, Lleida, Spain
| | - G Cantero-Recasens
- Renal Physiopathology Group, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - A Meseguer
- Renal Physiopathology Group, Vall d'Hebron Research Institute, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain.
- Unitat de Bioquímica de Medicina, Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, Bellaterra, Spain.
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10
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Dong Y, Chen J, Chen Y, Liu S. Targeting the STAT3 oncogenic pathway: Cancer immunotherapy and drug repurposing. Biomed Pharmacother 2023; 167:115513. [PMID: 37741251 DOI: 10.1016/j.biopha.2023.115513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/09/2023] [Accepted: 09/12/2023] [Indexed: 09/25/2023] Open
Abstract
Immune effector cells in the microenvironment tend to be depleted or remodeled, unable to perform normal functions, and even promote the malignant characterization of tumors, resulting in the formation of immunosuppressive microenvironments. The strategy of reversing immunosuppressive microenvironment has been widely used to enhance the tumor immunotherapy effect. Signal transducer and activator of transcription 3 (STAT3) was found to be a crucial regulator of immunosuppressive microenvironment formation and activation as well as a factor, stimulating tumor cell proliferation, survival, invasiveness and metastasis. Therefore, regulating the immune microenvironment by targeting the STAT3 oncogenic pathway might be a new cancer therapy strategy. This review discusses the pleiotropic effects of STAT3 on immune cell populations that are critical for tumorigenesis, and introduces the novel strategies targeting STAT3 oncogenic pathway for cancer immunotherapy. Lastly, we summarize the conventional drugs used in new STAT3-targeting anti-tumor applications.
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Affiliation(s)
- Yushan Dong
- Graduate School of Heilongjiang University of Chinese Medicine, No. 24, Heping Road, Xiangfang District, Harbin, Heilongjiang, China
| | - Jingyu Chen
- Department of Chinese Medicine Internal Medicine, Xiyuan Hospital, China Academy of Chinese Medical Sciences, No. 1 Xiyuan Playground, Haidian District, Beijing, China
| | - Yuhan Chen
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Songjiang Liu
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, No.26, Heping Road, Xiangfang District, Harbin, Heilongjiang Province, China.
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11
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Asghariazar V, Kadkhodayi M, Sarailoo M, Jolfayi AG, Baradaran B. MicroRNA-143 as a potential tumor suppressor in cancer: An insight into molecular targets and signaling pathways. Pathol Res Pract 2023; 250:154792. [PMID: 37689002 DOI: 10.1016/j.prp.2023.154792] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 08/25/2023] [Accepted: 09/02/2023] [Indexed: 09/11/2023]
Abstract
MicroRNAs (MiRNAs), which are highly conserved and small noncoding RNAs, negatively regulate gene expression and influence signaling pathways involved in essential biological activities, including cell proliferation, differentiation, apoptosis, and cell invasion. MiRNAs have received much attention in the past decade due to their significant roles in cancer development. In particular, microRNA-143 (miR-143) is recognized as a tumor suppressor and is downregulated in most cancers. However, it seems that miR-143 is upregulated in rare cases, such as prostate cancer stem cells, and acts as an oncogene. The present review will outline the current studies illustrating the impact of miR-143 expression levels on cancer progression and discuss its target genes and their relevant signaling pathways to discover a potential therapeutic way for cancer.
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Affiliation(s)
- Vahid Asghariazar
- Cancer Immunology and Immunotherapy Research Center, Ardabil University of Medical Sciences, Ardabil, Iran; Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Deputy of Research and Technology, Ardabil University of Medical Sciences, Ardabil, Iran.
| | - Mahtab Kadkhodayi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Animal Biology, Faculty of Natural Sciences, The University of Tabriz, Tabriz, Iran
| | - Mehdi Sarailoo
- Students Research Committee, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amir Ghaffari Jolfayi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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12
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Dinarello A, Betto RM, Diamante L, Tesoriere A, Ghirardo R, Cioccarelli C, Meneghetti G, Peron M, Laquatra C, Tiso N, Martello G, Argenton F. STAT3 and HIF1α cooperatively mediate the transcriptional and physiological responses to hypoxia. Cell Death Discov 2023; 9:226. [PMID: 37407568 DOI: 10.1038/s41420-023-01507-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/04/2023] [Accepted: 06/20/2023] [Indexed: 07/07/2023] Open
Abstract
STAT3 and HIF1α are two fundamental transcription factors involved in many merging processes, like angiogenesis, metabolism, and cell differentiation. Notably, under pathological conditions, the two factors have been shown to interact genetically, but both the molecular mechanisms underlying such interactions and their relevance under physiological conditions remain unclear. In mouse embryonic stem cells (ESCs) we manage to determine the specific subset of hypoxia-induced genes that need STAT3 to be properly transcribed and, among them, fundamental genes like Vegfa, Hk1, Hk2, Pfkp and Hilpda are worth mentioning. Unexpectedly, we also demonstrated that the absence of STAT3 does not affect the expression of Hif1α mRNA nor the stabilization of HIF1α protein, but the STAT3-driven regulation of the hypoxia-dependent subset of gene could rely on the physical interaction between STAT3 and HIF1α. To further elucidate the physiological roles of this STAT3 non-canonical nuclear activity, we used a CRISPR/Cas9 zebrafish stat3 knock-out line. Notably, hypoxia-related fluorescence of the hypoxia zebrafish reporter line (HRE:mCherry) cannot be induced when Stat3 is not active and, while Stat3 Y705 phosphorylation seems to have a pivotal role in this process, S727 does not affect the Stat3-dependent hypoxia response. Hypoxia is fundamental for vascularization, angiogenesis and immune cells mobilization; all processes that, surprisingly, cannot be induced by low oxygen levels when Stat3 is genetically ablated. All in all, here we report the specific STAT3/HIF1α-dependent subset of genes in vitro and, for the first time with an in vivo model, we determined some of the physiological roles of STAT3-hypoxia crosstalk.
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Affiliation(s)
| | | | - Linda Diamante
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | | | | | | | | | | | - Claudio Laquatra
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Natascia Tiso
- Department of Biology, University of Padova, Padova, Italy
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13
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Valle-Mendiola A, Gutiérrez-Hoya A, Soto-Cruz I. JAK/STAT Signaling and Cervical Cancer: From the Cell Surface to the Nucleus. Genes (Basel) 2023; 14:1141. [PMID: 37372319 DOI: 10.3390/genes14061141] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/13/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
The Janus kinase (JAK)/signal transducer and activator of transcription (STAT) signaling pathway constitutes a rapid signaling module from the cell surface to the nucleus, and activates different cellular responses, such as proliferation, survival, migration, invasion, and inflammation. When the JAK/STAT pathway is altered, it contributes to cancer progression and metastasis. STAT proteins play a central role in developing cervical cancer, and inhibiting the JAK/STAT signaling may be necessary to induce tumor cell death. Several cancers show continuous activation of different STATs, including cervical cancer. The constitutive activation of STAT proteins is associated with a poor prognosis and overall survival. The human papillomavirus (HPV) oncoproteins E6 and E7 play an essential role in cervical cancer progression, and they activate the JAK/STAT pathway and other signals that induce proliferation, survival, and migration of cancer cells. Moreover, there is a crosstalk between the JAK/STAT signaling cascade with other signaling pathways, where a plethora of different proteins activate to induce gene transcription and cell responses that contribute to tumor growth. Therefore, inhibition of the JAK/STAT pathway shows promise as a new target in cancer treatment. In this review, we discuss the role of the JAK/STAT pathway components and the role of the HPV oncoproteins associated with cellular malignancy through the JAK/STAT proteins and other signaling pathways to induce tumor growth.
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Affiliation(s)
- Arturo Valle-Mendiola
- Molecular Oncology Laboratory, Cell Differentiation and Cancer Research Unit, FES Zaragoza, National University of Mexico, Batalla 5 de Mayo s/n, Colonia Ejército de Oriente, Mexico City 09230, Mexico
| | - Adriana Gutiérrez-Hoya
- Molecular Oncology Laboratory, Cell Differentiation and Cancer Research Unit, FES Zaragoza, National University of Mexico, Batalla 5 de Mayo s/n, Colonia Ejército de Oriente, Mexico City 09230, Mexico
- Cátedra CONACYT, FES Zaragoza, National University of Mexico, Mexico City 09230, Mexico
| | - Isabel Soto-Cruz
- Molecular Oncology Laboratory, Cell Differentiation and Cancer Research Unit, FES Zaragoza, National University of Mexico, Batalla 5 de Mayo s/n, Colonia Ejército de Oriente, Mexico City 09230, Mexico
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14
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Trivedi TS, Patel MP, Nanavaty V, Mankad AU, Rawal RM, Patel SK. MicroRNAs from Holarrhena pubescens stems: Identification by small RNA Sequencing and their Potential Contribution to Human Gene Targets. Funct Integr Genomics 2023; 23:149. [PMID: 37148427 DOI: 10.1007/s10142-023-01078-0] [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: 12/31/2022] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/08/2023]
Abstract
Holarrhena pubescens is an effective medicinal plant from the Apocynaceae family, widely distributed over the Indian subcontinent and extensively used by Ayurveda and ethno-medicine systems without apparent side effects. We postulated that miRNAs, endogenous non-coding small RNAs that regulate gene expression at the post-transcriptional level, may, after ingestion into the human body, contribute to the medicinal properties of plants of this species by inducing regulated human gene expression to modulate. However, knowledge is scarce about miRNA in Holarrhena. In addition, to test the hypothesis on the potential pharmacological properties of miRNA, we performed a high-throughput sequencing analysis using the Next Generation Sequencing Illumina platform; 42,755,236 raw reads have been generated from H. pubescens stems from a library of small RNA isolated, identifying 687 known and 50 new miRNAs led. The novel H. pubescens miRNAs were predicted to regulate specific human genes, and subsequent annotations of gene functions suggested a possible role in various biological processes and signaling pathways, such as Wnt, MAPK, PI3K-Akt, and AMPK signaling pathways and endocytosis. The association of these putative targets with many diseases, including cancer, congenital malformations, nervous system disorders, and cystic fibrosis, has been demonstrated. The top hub proteins STAT3, MDM2, GSK3B, NANOG, IGF1, PRKCA, SNAP25, SRSF1, HTT, and SNCA show their interaction with human diseases, including cancer and cystic fibrosis. To our knowledge, this is the first report of uncovering H. pubescens miRNAs based on high-throughput sequencing and bioinformatics analysis. This study has provided new insight into a potential cross-species control of human gene expression. The potential for miRNA transfer should be evaluated as one possible mechanism of action to account for the beneficial properties of this valuable species.
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Affiliation(s)
- Tithi S Trivedi
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Maulikkumar P Patel
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Vishal Nanavaty
- Department of Life Sciences, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
- Neuberg Centre for Genomic Medicine, Neuberg Supratech Reference Laboratory, Ahmedabad, 380006, Gujarat, India
| | - Archana U Mankad
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Rakesh M Rawal
- Department of Life Sciences, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Saumya K Patel
- Department of Botany, Bioinformatics and Climate Change Impacts Management, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India.
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15
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Deregulated Gene Expression Profiles and Regulatory Networks in Adult and Pediatric RUNX1/RUNX1T1-Positive AML Patients. Cancers (Basel) 2023; 15:cancers15061795. [PMID: 36980682 PMCID: PMC10046396 DOI: 10.3390/cancers15061795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023] Open
Abstract
Acute myeloid leukemia (AML) is a heterogeneous and complex disease concerning molecular aberrations and prognosis. RUNX1/RUNX1T1 is a fusion oncogene that results from the chromosomal translocation t(8;21) and plays a crucial role in AML. However, its impact on the transcriptomic profile of different age groups of AML patients is not completely understood. Here, we investigated the deregulated gene expression (DEG) profiles in adult and pediatric RUNX1/RUNX1T1-positive AML patients, and compared their functions and regulatory networks. We retrospectively analyzed gene expression data from two independent Gene Expression Omnibus (GEO) datasets (GSE37642 and GSE75461) and computed their differentially expressed genes and upstream regulators, using limma, GEO2Enrichr, and X2K. For validation purposes, we used the TCGA-LAML (adult) and TARGET-AML (pediatric) patient cohorts. We also analyzed the protein–protein interaction (PPI) networks, as well as those composed of transcription factors (TF), intermediate proteins, and kinases foreseen to regulate the top deregulated genes in each group. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways enrichment analyses were further performed for the DEGs in each dataset. We found that the top upregulated genes in (both adult and pediatric) RUNX1/RUNX1T1-positive AML patients are enriched in extracellular matrix organization, the cell projection membrane, filopodium membrane, and supramolecular fiber. Our data corroborate that RUNX1/RUNX1T1 reprograms a large transcriptional network to establish and maintain leukemia via intricate PPI interactions and kinase-driven phosphorylation events.
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16
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Ben Hamouda S, Essafi-Benkhadir K. Interplay between Signaling Pathways and Tumor Microenvironment Components: A Paradoxical Role in Colorectal Cancer. Int J Mol Sci 2023; 24:ijms24065600. [PMID: 36982677 PMCID: PMC10057671 DOI: 10.3390/ijms24065600] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/17/2023] Open
Abstract
The study of the tumor microenvironment (TME) has become an important part of colorectal cancer (CRC) research. Indeed, it is now accepted that the invasive character of a primary CRC is determined not only by the genotype of the tumor cells, but also by their interactions with the extracellular environment, which thereby orchestrates the development of the tumor. In fact, the TME cells are a double-edged sword as they play both pro- and anti-tumor roles. The interaction of the tumor-infiltrating cells (TIC) with the cancer cells induces the polarization of the TIC, exhibiting an antagonist phenotype. This polarization is controlled by a plethora of interconnected pro- and anti-oncogenic signaling pathways. The complexity of this interaction and the dual function of these different actors contribute to the failure of CRC control. Thus, a better understanding of such mechanisms is of great interest and provides new opportunities for the development of personalized and efficient therapies for CRC. In this review, we summarize the signaling pathways linked to CRC and their implication in the development or inhibition of the tumor initiation and progression. In the second part, we enlist the major components of the TME and discuss the complexity of their cells functions.
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17
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Xi X, Deng T, Qiu F, Zhu Y, Li Y, Li G, Guo Y, Du B. Leukemia Inhibitory Factor Impairs the Function of Peripheral γδT Cells in Patients with Colorectal Cancer. Immunol Invest 2023; 52:210-223. [PMID: 36507826 DOI: 10.1080/08820139.2022.2155182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Immunotherapeutic strategies are recognized as promising treatment methods for colorectal cancer (CRC). αβT cell-mediated cytotoxicity is tolerated by cancer cells with low MHC class I expression; therefore, γδT cell-based cancer immunotherapy has generated increasing interest as a potential treatment option. To enhance the potency of γδT cell-based immunotherapy, the key factors involved in the regulation of γδT cells in CRC need to be identified along with devising ways to overcome potential hurdles. In this study, we observed that leukemia inhibitory factor (LIF), the serum level of which was highly increased in those with solid tumors, could specifically attenuate the cytotoxic function of peripheral γδT cells in patients with CRC. We observed that in patients with CRC, the expression levels of perforin and granzyme were significantly decreased in the recombinant human LIF (rhLIF)-treated peripheral γδT cells, whereas that of the LIF receptor (LIFR) was higher. The regulation of the cytotoxic function of the γδT cells by rhLIF was effected mainly through the STAT3 signaling pathway, which caused an increase in the expression levels of interleukin (IL)-17, COX-2, and prostaglandin E2 (PGE2). Our results revealed that rhLIF could impair the function of γδT cells in CRC patients by reducing the cytotoxic function and increasing the expression of tumor-promoting molecules, such as IL-17, COX-2, and PGE2.
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Affiliation(s)
- Xueyan Xi
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, Hubei, China.,Hubei Key Laboratory of Embryonic Stem Cell Research, Hubei University of Medicine, Shiyan, Hubei, China.,Department of Rheumatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Ting Deng
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, Hubei, China
| | - Fen Qiu
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yunhe Zhu
- Department of Rheumatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yumei Li
- Department of Rheumatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Gang Li
- Department of Rheumatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Yang Guo
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, Hubei, China.,Hubei Key Laboratory of Embryonic Stem Cell Research, Hubei University of Medicine, Shiyan, Hubei, China
| | - Boyu Du
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, Hubei, China.,Department of Rheumatology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China.,Hubei Key Laboratory of Wudang Local Chinese Medicine Research, Hubei University of Medicine, Shiyan, Hubei, China
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18
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Mulvihill C, Fitzgerald K, O'Regan E, Healy CM, Leahy TR. Successful treatment of oral potentially malignant lesions with ruxolitinib in STAT3 gain-of-function disease. Oral Oncol 2022; 132:106015. [PMID: 35809509 DOI: 10.1016/j.oraloncology.2022.106015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/28/2022] [Accepted: 07/02/2022] [Indexed: 11/16/2022]
Affiliation(s)
- Ciara Mulvihill
- Department of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland.
| | - Kirsten Fitzgerald
- Departments of Paediatric Dentistry, Children's Health Ireland at Crumlin, Dublin and Dublin Dental University Hospital, Dublin, Ireland
| | - Esther O'Regan
- Department of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Claire M Healy
- Department of Oral and Maxillofacial Surgery, Oral Medicine and Oral Pathology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Timothy Ronan Leahy
- Department of Paediatric Immunology and Infectious Diseases, Children's Health Ireland at Crumlin, Dublin, Ireland; Department of Paediatrics, School of Medicine, University of Dublin, Trinity College, Dublin, Ireland
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19
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Qu H, Wang M, Wang M, Liu Y, Quan C. The expression and the tumor suppressor role of CLDN6 in colon cancer. Mol Cell Biochem 2022; 477:2883-2893. [PMID: 35701678 DOI: 10.1007/s11010-022-04450-z] [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: 11/17/2021] [Accepted: 04/24/2022] [Indexed: 11/29/2022]
Abstract
As a member of the tight junction family, CLDN6 is a tumor suppressor in breast cancer, but its role in colon cancer is unknown. In this research, we aimed at revealing the function of CLDN6 in colon cancer. We found that colon cancer tissues lowly expressed CLDN6, and the expression of CLDN6 was negatively correlated with lymph node metastasis. Similarly, CLDN6 was lowly expressed in the colon cancer cell line SW1116, and overexpression of CLDN6 inhibited cell proliferation in vitro and in vivo. Consistently, the migration and invasion abilities of cells were significantly inhibited after CLDN6 overexpression. In addition, we demonstrated that CLDN6 may inhibit the migration and invasion abilities by activating the TYK2/STAT3 pathway. Therefore, our data indicated that CLDN6 acted as a tumor suppressor and had the potential to be regarded as a biomarker for the progression of colon cancer.
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Affiliation(s)
- Huinan Qu
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, 130021, Jilin, People's Republic of China
| | - Min Wang
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, 130021, Jilin, People's Republic of China
| | - Miaomiao Wang
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, 130021, Jilin, People's Republic of China
| | - Yuanyuan Liu
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, 130021, Jilin, People's Republic of China
| | - Chengshi Quan
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 126 Xinmin Avenue, Changchun, 130021, Jilin, People's Republic of China.
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20
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Resveratrol exerts antiproliferative effects on high-glucose-cultured vascular smooth muscle cells via inhibition of STAT3 and upregulation of mitochondrial gene GRIM-19 which is responsible for STAT3 activation. Int J Diabetes Dev Ctries 2022. [DOI: 10.1007/s13410-021-00963-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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21
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Wang F, Cao XY, Lin GQ, Tian P, Gao D. Novel inhibitors of the STAT3 signaling pathway: an updated patent review (2014-present). Expert Opin Ther Pat 2022; 32:667-688. [PMID: 35313119 DOI: 10.1080/13543776.2022.2056013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION STAT3 is a critical transcription factor that transmits signals from the cell surface to the nucleus, thus influencing the transcriptional regulation of some oncogenes. The inhibition of the activation of STAT3 is considered a promising strategy for cancer therapy. Numerous STAT3 inhibitors bearing different scaffolds have been reported to date, with a few of them having been considered in clinical trials. AREAS COVERED This review summarizes the advances on STAT3 inhibitors with different structural skeletons, focusing on the structure-activity relationships in the related patent literature published from 2014 to date. EXPERT OPINION Since the X-ray crystal structure of STAT3β homo dimer bound to DNA was solved in 1998, the development of STAT3 inhibitors has gone through a boom in recent years. However, none of them have been approved for marketing, probably due to the complex biological functions of the STAT3 signaling pathway, including its character and the poor drug-like physicochemical properties of its inhibitors. Nonetheless, targeting STAT3 continues to be an exciting field for the development of anti-tumor agents along with the emergence of new STAT3 inhibitors with unique mechanisms of action.
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Affiliation(s)
- Feng Wang
- The Research Center of Chiral Drugs, Shanghai Frontiers Science Center for Traditional Chinese Medicine Chemical Biology and Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, Xuhui, China
| | - Xin-Yu Cao
- The Research Center of Chiral Drugs, Shanghai Frontiers Science Center for Traditional Chinese Medicine Chemical Biology and Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, Xuhui, China
| | - Guo-Qiang Lin
- The Research Center of Chiral Drugs, Shanghai Frontiers Science Center for Traditional Chinese Medicine Chemical Biology and Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, Xuhui, China
| | - Ping Tian
- The Research Center of Chiral Drugs, Shanghai Frontiers Science Center for Traditional Chinese Medicine Chemical Biology and Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, Xuhui, China
| | - Dingding Gao
- The Research Center of Chiral Drugs, Shanghai Frontiers Science Center for Traditional Chinese Medicine Chemical Biology and Innovation Research Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, Xuhui, China
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22
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Araki T, Watanabe Y, Okada Y, Murakami H, Ogo N, Asai A. Identification of serum and glucocorticoid-regulated kinase 1 as a regulator of signal transducer and activator of transcription 3 signaling. Exp Cell Res 2022; 413:113079. [PMID: 35202674 DOI: 10.1016/j.yexcr.2022.113079] [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: 10/18/2021] [Revised: 12/20/2021] [Accepted: 02/11/2022] [Indexed: 11/18/2022]
Abstract
Signal transducer and activator of transcription 3 (STAT3) plays key roles in cancer cell proliferation, invasion, and immunosuppression. In many human cancer cells, STAT3 is hyperactivated, which leads to tumor progression and drug resistance, and therefore STAT3 and its modulators are considered effective drug targets. However, the complex regulatory mechanisms of STAT3 have made it difficult to develop potent anticancer drugs that suppress its activity. Here, we report serum and glucocorticoid-regulated kinase 1 (SGK1) as a novel regulator of STAT3 signaling and an effective target for combination therapy with Janus kinase (JAK) inhibitors. We screened small molecules using a gain-of-function mutant of STAT3 resistant to JAK inhibition and found that an SGK1 inhibitor suppressed the constitutive activation of STAT3. Importantly, our results revealed that SGK1 also mediated the activation of wild-type STAT3. Further examination suggested that the tuberous sclerosis complex 2 and mammalian target of rapamycin signaling pathway were involved in STAT3 activation by SGK1. Finally, we demonstrated that SGK1 inhibition enhanced the inhibitory effect of a JAK inhibitor on STAT3 phosphorylation and cancer cell proliferation. Our findings provide new insights into the molecular mechanisms of STAT3 activation and suggest SGK1 as a potential target for STAT3-targeted combination cancer therapy.
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Affiliation(s)
- Toshihiro Araki
- Center for Drug Discovery, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Suruga-ku, Shizuoka, Shizuoka, Japan; Discovery Technology Laboratories, Sohyaku. Innovative Research Division, Mitsubishi Tanabe Pharma Corporation, Muraoka-Higashi, Fujisawa, Kanagawa, Japan
| | - Yuuki Watanabe
- Center for Drug Discovery, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Suruga-ku, Shizuoka, Shizuoka, Japan; Public Affairs and Policy Department, Mitsubishi Tanabe Pharma Corporation, Marunouchi, Chiyoda-ku, Tokyo, Japan
| | - Yusuke Okada
- Sohyaku Project Planning & Management Department, Sohyaku Innovative Research Division, Mitsubishi Tanabe Pharma Corporation, Marunouchi, Chiyoda-ku, Tokyo, Japan
| | - Hisashi Murakami
- Center for Drug Discovery, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Suruga-ku, Shizuoka, Shizuoka, Japan
| | - Naohisa Ogo
- Center for Drug Discovery, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Suruga-ku, Shizuoka, Shizuoka, Japan
| | - Akira Asai
- Center for Drug Discovery, Graduate School of Pharmaceutical Sciences, University of Shizuoka, Suruga-ku, Shizuoka, Shizuoka, Japan.
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23
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Avalle L, Raggi L, Monteleone E, Savino A, Viavattene D, Statello L, Camperi A, Stabile SA, Salemme V, De Marzo N, Marino F, Guglielmi C, Lobascio A, Zanini C, Forni M, Incarnato D, Defilippi P, Oliviero S, Poli V. STAT3 induces breast cancer growth via ANGPTL4, MMP13 and STC1 secretion by cancer associated fibroblasts. Oncogene 2022; 41:1456-1467. [PMID: 35042959 DOI: 10.1038/s41388-021-02172-y] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 12/07/2021] [Accepted: 12/30/2021] [Indexed: 12/14/2022]
Abstract
In the tumor microenvironment, Cancer Associated Fibroblasts (CAFs) become activated by cancer cells and increase their secretory activity to produce soluble factors that contribute to tumor cells proliferation, invasion and dissemination to distant organs. The pro-tumorigenic transcription factor STAT3 and its canonical inducer, the pro-inflammatory cytokine IL-6, act conjunctly in a positive feedback loop that maintains high levels of IL-6 secretion and STAT3 activation in both tumor and stromal cells. Here, we demonstrate that STAT3 is essential for the pro-tumorigenic functions of murine breast cancer CAFs both in vitro and in vivo, and identify a STAT3 signature significantly enriched for genes encoding for secreted proteins. Among these, ANGPTL4, MMP13 and STC-1 were functionally validated as STAT3-dependent mediators of CAF pro-tumorigenic functions by different approaches. Both in vitro and in vivo CAFs activities were moreover impaired by MMP13 inhibition, supporting the feasibility of a therapeutic approach based on inhibiting STAT3-induced CAF-secreted proteins. The clinical potential of such an approach is supported by the observation that an equivalent CAF-STAT3 signature in humans is expressed at high levels in breast cancer stromal cells and characterizes patients with a shorter disease specific survival, including those with basal-like disease.
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Affiliation(s)
- Lidia Avalle
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy.
| | - Laura Raggi
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy.,San Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), Milan, Italy
| | - Emanuele Monteleone
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy.,Università Vita-Salute San Raffaele, Milan, Italy
| | - Aurora Savino
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Daniele Viavattene
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Luisa Statello
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy.,Center for Applied Medical Research, University of Navarra, Pio XII 55 Ave, 31008, Pamplona, Spain
| | - Andrea Camperi
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Simona Aversano Stabile
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Vincenzo Salemme
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Niccolò De Marzo
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Francesca Marino
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Chiara Guglielmi
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy.,Section of Molecular Genetics, Department of Laboratory Medicine, University Hospital of Pisa, Pisa, Italy
| | - Andrea Lobascio
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Cristina Zanini
- BioAir SPA Scientific Department, Via Nizza, 52, 10126, Torino, Italy
| | - Marco Forni
- BioAir SPA Scientific Department, Via Nizza, 52, 10126, Torino, Italy
| | - Danny Incarnato
- Department of Life Sciences and Systems Biology, University of Torino, Via Nizza 52, 10126, Torino, Italy.,Department of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, 9747 AG, Groningen, the Netherlands
| | - Paola Defilippi
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Salvatore Oliviero
- Department of Life Sciences and Systems Biology, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Valeria Poli
- Department of Molecular Biotechnology and Health Science, University of Torino, Via Nizza 52, 10126, Torino, Italy.
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Meng H, Niu R, You H, Wang L, Feng R, Huang C, Li J. Interleukin-9 attenuates inflammatory response and hepatocyte apoptosis in alcoholic liver injury. Life Sci 2022; 288:120180. [PMID: 34843736 DOI: 10.1016/j.lfs.2021.120180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/12/2021] [Accepted: 11/20/2021] [Indexed: 12/19/2022]
Abstract
Alcoholic liver injury is a liver cell dysfunction disease caused by long-term or excessive alcohol consumption. Inhibiting the production of inflammatory factors is an important way to alleviate liver injury. Interleukin-9 (IL-9) is one of the members of IL-2Rγc family. It has multiple biological functions. Previous studies have shown that IL-9 is a cytokine that is closely related to inflammatory disease, allergic diseases, autoimmune diseases, and parasitic infections. However, no systematic studies have been performed to address the role of IL-9 in ALI. This project aims to investigate the effects of IL-9 on macrophage-related inflammatory response and hepatocyte apoptosis in alcohol-induced liver injury by injecting adeno-associated virus (AAV9) into tail vein. In the ALI model group, western blot and ELISA assays demonstrated that the expression of IL-9 was reduced. Overexpression of IL-9 relieved the injury and reduced the serum levels of IL-6, TNF-α in EtOH-induced ALI mouse model. Moreover, by using western blot, it was indicated that IL-9 can inhibit the expression of pro-apoptotic protein, such as cleaved caspase 3 and Bax. In vitro, mouse recombinant protein IL-9 inhibited the expression of IL-6, TNF-α in EtOH-induced RAW264.7 cells. Moreover, flow cytometry and western blot results displayed that macrophage-derived IL-9 inhibited hepatocyte apoptosis. After silencing STAT3 in AML-12 cells, the anti-apoptotic effect of macrophage-derived IL-9 was further enhanced. These results indicate that IL-9 reduces the production of pro-inflammatory factors in ALI. Furthermore, macrophage-derived IL-9 can reduce hepatocyte apoptosis by inhibiting the activation of the STAT3 pathway.
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Affiliation(s)
- Hongwu Meng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; The Key laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei 230032, China; Institute for Liver Diseases of Anhui Medical University, Hefei 230032, China
| | - Ruowen Niu
- Department of pharmacy, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Hongmei You
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; The Key laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei 230032, China; Institute for Liver Diseases of Anhui Medical University, Hefei 230032, China
| | - Ling Wang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; The Key laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei 230032, China; Institute for Liver Diseases of Anhui Medical University, Hefei 230032, China
| | - Rui Feng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; The Key laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei 230032, China; Institute for Liver Diseases of Anhui Medical University, Hefei 230032, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; The Key laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei 230032, China; Institute for Liver Diseases of Anhui Medical University, Hefei 230032, China.
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; The Key laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Hefei 230032, China; Institute for Liver Diseases of Anhui Medical University, Hefei 230032, China.
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25
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Cheng R, Huang Y, Fang Y, Wang Q, Yan M, Ge Y. Cryptotanshinone enhances the efficacy of Bcr-Abl tyrosine kinase inhibitors via inhibiting STAT3 and eIF4E signalling pathways in chronic myeloid leukaemia. PHARMACEUTICAL BIOLOGY 2021; 59:893-903. [PMID: 34214017 PMCID: PMC8259876 DOI: 10.1080/13880209.2021.1944224] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 06/12/2021] [Indexed: 05/23/2023]
Abstract
CONTEXT A portion of patients with chronic myeloid leukaemia (CML) develop resistance to the Bcr-Abl tyrosine kinase inhibitors (TKIs), limiting the clinical applications. Previous results have demonstrated the synergistic effects between cryptotanshinone (CPT) and imatinib on apoptosis of CML cells in vitro. OBJECTIVE To determine the antileukemia effects of CPT and TKIs on the resistant CML cells, and further investigate the effect of combined treatment of CPT and imatinib on tumour growth and apoptosis in the xenograft model and clarify its regulatory mechanisms. MATERIALS AND METHODS The combination effects of CPT and second-generation TKIs were evaluated in resistant CML cells K562-R. CPT and imatinib were orally administered once daily for 21 days on K562-R xenografts in nude mice (6 per group). Tumour proliferation and apoptosis were examined by Ki-67, PCNA and TUNEL staining. The expression levels of apoptotic markers and activities of STAT3 and eIF4E pathways were determined via immunohistochemistry staining and western blotting analysis. RESULTS CPT significantly enhanced the antiproliferative effects of TKIs, via triggering cleavages of caspase proteins, and inhibiting activities of STAT3 and eIF4E pathways. The administration of CPT and imatinib dramatically inhibited the tumour growth of xenografts and achieved a suppression of 60.2%, which is 2.6-fold higher than that of single imatinib group. Furthermore, CPT and imatinib increased the apoptotic rates and markedly decreased the phosphorylation levels of STAT3 and eIF4E. CONCLUSIONS Our results demonstrated that CPT could significantly enhance the antileukemia efficacy of TKIs, suggesting the therapeutic potential of CPT to overcome CML resistance.
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Affiliation(s)
- Rubin Cheng
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yilan Huang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yun Fang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qirui Wang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Meixiu Yan
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yuqing Ge
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
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26
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Zheng ZY, Yang PL, Li RY, Liu LX, Xu XE, Liao LD, Li X, Chu MY, Peng L, Huang QF, Heng JH, Wang SH, Wu ZY, Chang ZJ, Li EM, Xu LY. STAT3β disrupted mitochondrial electron transport chain enhances chemosensitivity by inducing pyroptosis in esophageal squamous cell carcinoma. Cancer Lett 2021; 522:171-183. [PMID: 34571081 DOI: 10.1016/j.canlet.2021.09.035] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/18/2021] [Accepted: 09/22/2021] [Indexed: 02/08/2023]
Abstract
The clinical efficacy of cisplatin in the treatment of esophageal squamous cell carcinoma (ESCC) is undesirable. Signal transducer and activator of transcription 3β (STAT3β), a splice variant of STAT3, restrains STAT3α activity and enhances chemosensitivity in ESCC. However, the underlying molecular mechanisms remain poorly understood. Here, we found that high expression of STAT3β contributes to cisplatin sensitivity and enhances Gasdermin E (GSDME) dependent pyroptosis in ESCC cells after exposure to cisplatin. Mechanistically, STAT3β was located into the mitochondria and its high expression disrupts the activity of the electron transport chain, resulting in an increase of ROS in cisplatin treatment cells. While high levels of ROS caused activation of caspase-3 and GSDME, and induced cell pyroptosis. STAT3β blocked the phosphorylation of STAT3α S727 in mitochondria by interacting with ERK1/2 following cisplatin treatment, disrupting electron transport chain and inducing activation of GSDME. Clinically, high expression of both STAT3β and GSDME was strongly associated with better overall survival and disease-free survival of ESCC patients. Overall, our study reveals that STAT3β sensitizes ESCC cells to cisplatin by disrupting mitochondrial electron transport chain and enhancing pyroptosis, which demonstrates the prognostic significance of STAT3β in ESCC therapy.
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Affiliation(s)
- Zhen-Yuan Zheng
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Ping-Lian Yang
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Rong-Yao Li
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Lu-Xin Liu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Xiu-E Xu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Lian-Di Liao
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Xiang Li
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Man-Yu Chu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Liu Peng
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Qing-Feng Huang
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Jing-Hua Heng
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Institute of Oncologic Pathology, Shantou University Medical College, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Shao-Hong Wang
- Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-Sen University, Shantou, 515041, Guangdong, China
| | - Zhi-Yong Wu
- Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-Sen University, Shantou, 515041, Guangdong, China
| | - Zhi-Jie Chang
- School of Medicine, Tsinghua University, Beijing, China
| | - En-Min Li
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China.
| | - Li-Yan Xu
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area, Shantou University Medical College, Shantou, 515041, Guangdong, China; Guangdong Esophageal Cancer Research Institute, Shantou Sub-center, Department of Biochemistry and Molecular Biology, Shantou University Medical College, Shantou, 515041, Guangdong, China.
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Hu X, Li J, Fu M, Zhao X, Wang W. The JAK/STAT signaling pathway: from bench to clinic. Signal Transduct Target Ther 2021; 6:402. [PMID: 34824210 PMCID: PMC8617206 DOI: 10.1038/s41392-021-00791-1] [Citation(s) in RCA: 782] [Impact Index Per Article: 260.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 09/09/2021] [Accepted: 09/21/2021] [Indexed: 02/08/2023] Open
Abstract
The Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway was discovered more than a quarter-century ago. As a fulcrum of many vital cellular processes, the JAK/STAT pathway constitutes a rapid membrane-to-nucleus signaling module and induces the expression of various critical mediators of cancer and inflammation. Growing evidence suggests that dysregulation of the JAK/STAT pathway is associated with various cancers and autoimmune diseases. In this review, we discuss the current knowledge about the composition, activation, and regulation of the JAK/STAT pathway. Moreover, we highlight the role of the JAK/STAT pathway and its inhibitors in various diseases.
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Affiliation(s)
- Xiaoyi Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy Chengdu, 610041, Sichuan, P. R. China
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, 610041, Chengdu, P. R. China
| | - Jing Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy Chengdu, 610041, Sichuan, P. R. China
| | - Maorong Fu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy Chengdu, 610041, Sichuan, P. R. China
| | - Xia Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy Chengdu, 610041, Sichuan, P. R. China.
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, 610041, Chengdu, P. R. China.
| | - Wei Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy Chengdu, 610041, Sichuan, P. R. China.
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28
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Targeted protein degraders from an oncologist point of view: The Holy Grail of cancer therapy? Crit Rev Oncol Hematol 2021; 169:103532. [PMID: 34800655 DOI: 10.1016/j.critrevonc.2021.103532] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 11/10/2021] [Accepted: 11/15/2021] [Indexed: 01/18/2023] Open
Abstract
In the era of precision medicine, monoclonal antibodies and small molecule inhibitors are the mainstays of the biological therapy in patients with solid tumors. However, resistance to treatment and the "undruggability" of certain key oncogenic proteins emerged as major limitations and jeopardize the clinical benefit of modern therapeutic approaches. Targeted protein degraders are novel molecules entering the early phase of clinical development that exploit the intracellular ubiquitine-proteasome system to promote a specific degradation of target proteins. Since the peculiar mechanism of action, targeted protein degraders have the potential to limit and overcome resistance to treatment and to allow a full actionability of certain cancer drivers that are actually elusive targets. Here, we discuss the state-of-the-art and the open issues in the development of these emerging biological agents from a clinical perspective and with a focus on solid tumors.
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29
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SLCO4A1-AS1 Facilitates the Malignant Phenotype via miR-149-5p/STAT3 Axis in Gastric Cancer Cells. JOURNAL OF ONCOLOGY 2021; 2021:1698771. [PMID: 34712324 PMCID: PMC8548156 DOI: 10.1155/2021/1698771] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/13/2021] [Accepted: 08/10/2021] [Indexed: 12/29/2022]
Abstract
Solute carrier organic anion transporter family member 4A1 (SLCO4A1-AS1), a newly discovered lncRNA, may exert effects in tumors. Since its role in gastric cancer remains obscure, we sought to explore the mechanism of SLCO4A1-AS1 in gastric cancer. The relationship among SLCO4A1-AS1, miR-149-5p, and STAT3 was detected by bioinformatics, dual luciferase analysis, and Pearson's test, and the expressions of these genes were determined by quantitative real-time PCR and Western blot. Moreover, CCK-8, flow cytometry, wound healing assay, and Transwell analysis were performed to verify the function of SLCO4A1-AS1 in gastric cancer. Rescue experiments were used to detect the role of miR-149-5p. The expressions of SLCO4A1-AS1 and STAT3 were increased, while the expression of miR-149-5p was suppressed in gastric cancer tissues and cell lines. In addition, STAT3 expression was negatively correlated with miR-149-5p expression but was positively correlated with SLCO4A1-AS1 expression. Overexpression of SLCO4A1-AS1 promoted cell viability, migration, invasion, and STAT3 expression but suppressed apoptosis, while knockdown of SLCO4A1-AS1 had the opposite effect. SLCO4A1-AS1 bound to miR-149-5p and targeted STAT3. Moreover, miR-149-5p mimic inhibited the malignant development of gastric cancer cells and obviously reversed the function of SLCO4A1-AS1 overexpression. Our research reveals that abnormally increased SLCO4A1-AS1 expression may be an important molecular mechanism in the development of gastric cancer.
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30
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Han GH, Kim J, Yun H, Cho H, Chung JY, Kim JH, Hewitt SM. CRY1 Regulates Chemoresistance in Association With NANOG by Inhibiting Apoptosis via STAT3 Pathway in Patients With Cervical Cancer. Cancer Genomics Proteomics 2021; 18:699-713. [PMID: 34697063 DOI: 10.21873/cgp.20291] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/12/2021] [Accepted: 08/23/2021] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND/AIM Cryptochrome 1 (CRY1), a core circadian gene, modulates circadian rhythm and carcinogenesis. Here, we investigated the role of CRY1 and its correlation with NANOG, a stem cell transcription factor, in cervical cancer. MATERIALS AND METHODS Immunohistochemistry with tissue microarray was performed to evaluate CRY1 and NANOG expression in cervical cancer tissues, and their functional roles were assessed in cervical cancer cell lines. RESULTS CRY1 or NANOG was significantly over-expressed in cervical cancer tissues. Notably, combined over-expression of CRY1 and NANOG was correlated with a significantly poor OS and DFS and showed a stronger predictive value for chemoradiation response than each single protein. Furthermore, siCRY1 induced apoptosis, decreased NANOG expression, suppressed STAT3 signalling, and activated p53 signalling in cervical cancer cell lines. CONCLUSION CRY1 and NANOG over-expression serves as a strong predictive biomarker for prognosis and chemoradiation response, and may be a new therapeutic target in patients with cervical cancer.
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Affiliation(s)
- Gwan Hee Han
- Department of Obstetrics and Gynecology, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea.,Yonsei University Graduate School, Seoul, Republic of Korea
| | - Julie Kim
- Weill Cornell Medical College, New York, NY, U.S.A
| | - Hee Yun
- Department of Obstetrics and Gynecology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hanbyoul Cho
- Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Republic of Korea; .,Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea.,Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Joon-Yong Chung
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, U.S.A
| | - Jae-Hoon Kim
- Department of Obstetrics and Gynecology, Yonsei University College of Medicine, Seoul, Republic of Korea.,Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Stephen M Hewitt
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, U.S.A
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31
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Comità S, Femmino S, Thairi C, Alloatti G, Boengler K, Pagliaro P, Penna C. Regulation of STAT3 and its role in cardioprotection by conditioning: focus on non-genomic roles targeting mitochondrial function. Basic Res Cardiol 2021; 116:56. [PMID: 34642818 PMCID: PMC8510947 DOI: 10.1007/s00395-021-00898-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 12/11/2022]
Abstract
Ischemia–reperfusion injury (IRI) is one of the biggest challenges for cardiovascular researchers given the huge death toll caused by myocardial ischemic disease. Cardioprotective conditioning strategies, namely pre- and post-conditioning maneuvers, represent the most important strategies for stimulating pro-survival pathways essential to preserve cardiac health. Conditioning maneuvers have proved to be fundamental for the knowledge of the molecular basis of both IRI and cardioprotection. Among this evidence, the importance of signal transducer and activator of transcription 3 (STAT3) emerged. STAT3 is not only a transcription factor but also exhibits non-genomic pro-survival functions preserving mitochondrial function from IRI. Indeed, STAT3 is emerging as an influencer of mitochondrial function to explain the cardioprotection phenomena. Studying cardioprotection, STAT3 proved to be crucial as an element of the survivor activating factor enhancement (SAFE) pathway, which converges on mitochondria and influences their function by cross-talking with other cardioprotective pathways. Clearly there are still some functional properties of STAT3 to be discovered. Therefore, in this review, we highlight the evidence that places STAT3 as a promoter of the metabolic network. In particular, we focus on the possible interactions of STAT3 with processes aimed at maintaining mitochondrial functions, including the regulation of the electron transport chain, the production of reactive oxygen species, the homeostasis of Ca2+ and the inhibition of opening of mitochondrial permeability transition pore. Then we consider the role of STAT3 and the parallels between STA3/STAT5 in cardioprotection by conditioning, giving emphasis to the human heart and confounders.
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Affiliation(s)
- Stefano Comità
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, Orbassano, 10043, Torino, TO, Italy
| | - Saveria Femmino
- Department of Medical Sciences, University of Turin, Torino, Italy
| | - Cecilia Thairi
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, Orbassano, 10043, Torino, TO, Italy
| | | | - Kerstin Boengler
- Institute of Physiology, University of Giessen, Giessen, Germany
| | - Pasquale Pagliaro
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, Orbassano, 10043, Torino, TO, Italy.
| | - Claudia Penna
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, Orbassano, 10043, Torino, TO, Italy.
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32
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Atteia HH, Arafa MH, Mohammad NS, Amin DM, Sakr AT. Thymoquinone upregulates miR-125a-5p, attenuates STAT3 activation, and potentiates doxorubicin antitumor activity in murine solid Ehrlich carcinoma. J Biochem Mol Toxicol 2021; 35:e22924. [PMID: 34605108 DOI: 10.1002/jbt.22924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 08/21/2021] [Accepted: 09/20/2021] [Indexed: 12/17/2022]
Abstract
In breast cancer, there has been evidence of atypical activation of signal transduction and activators of transcription 3 (STAT3). Thymoquinone (TQ) exerts its anti-neoplastic effect through diverse mechanisms, including STAT3 inhibition. The tumor suppressor, microRNA-125a-5p was reported to be downregulated in various breast cancer cells. Therefore, we investigated the influence of TQ and/or doxorubicin on microRNA-125a-5p and its correlation with STAT3 activation as well as tumor growth in mice bearing solid Ehrlich tumors. We found that TQ markedly suppressed inducible and constitutive phosphorylation of STAT3 in tumor tissue without affecting STAT5. Moreover, it attenuated tumor growth, downregulated STAT3 downstream target proteins, and increased the apoptotic activities of caspase-3 and -9. Interestingly, TQ-elicited synergism of doxorubicin anti-neoplastic activity was coupled with upregulation of tumoral microRNA-125a-5p. Taken together, the current findings raise the potential of TQ as a promising chemomodulatory adjuvant to augment mammary carcinoma sensitivity to doxorubicin.
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Affiliation(s)
- Hebatallah H Atteia
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.,Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia
| | - Manar H Arafa
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Nanies S Mohammad
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Dalia M Amin
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Amr T Sakr
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City (USC), Menoufia, Egypt
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Sun C, Bai M, Ke W, Wang X, Zhao X, Lu Z. The HSP90 inhibitor, XL888, enhanced cell apoptosis via downregulating STAT3 after insufficient radiofrequency ablation in hepatocellular carcinoma. Life Sci 2021; 282:119762. [PMID: 34186047 DOI: 10.1016/j.lfs.2021.119762] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 06/09/2021] [Accepted: 06/20/2021] [Indexed: 01/15/2023]
Abstract
AIMS Radiofrequency ablation (RFA) is the first-line option for early-stage hepatocellular carcinoma (HCC). However, the residual tumor attributed to insufficient RFA (iRFA) led to tumor recurrence and metastasis. Novel combination strategies are urgently needed to enhance efficiency of RFA. MAIN METHODS For in vitro iRFA models, HCC cells were placed in a water bath at 46 °C for 10 min and then returned to the original incubator. For in vivo models, HCC cells were implanted subcutaneously into nude mice. The nude mice were then randomly assigned into 4 groups: control group, XL888 group, iRFA group, combination of XL888 and iRFA group. CCK8 was performed to detect cell viability; Hoechst 33258 was used to explore nuclear morphology; The expression levels of proteins were demonstrated by western blotting; Co-localization of HSP90 and STAT3 was elucidated by immunofluorescence confocal microscopy; Immunohistochemistry was used to explore expression levels of proteins at tissue level. KEY FINDINGS XL888 promoted apoptosis of HCC cells induced by heat via inhibiting expression levels of Mcl-1 and cleaved-caspase 3 in vivo and in vitro. XL888 attenuated the complex formation of HSP90 and STAT3, leading to decreased expression levels of STAT3 and p-STAT3. In human HCC tissues, IHC scores of HSP90 were positively correlated with those of STAT3. Overexpression of STAT3 rescued cell apoptosis induced by co-treatment of XL888 and heat. SIGNIFICANCE We implied that XL888 promoted apoptosis of HCC cells induced by heat via disrupting the binding of HSP90 and STAT3, providing theoretical basis for a novel combination strategy for HCC.
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Affiliation(s)
- Chen Sun
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110001, China
| | - Ming Bai
- Second Department of Medical Oncology, the First Hospital of China Medical University, Shenyang 110001, China
| | - Weiwei Ke
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110001, China
| | - Xiaoxun Wang
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang 110001, China
| | - Xiangxuan Zhao
- Department of Radiology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang 110004, China.
| | - Zaiming Lu
- Department of Radiology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang 110004, China.
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Zhao H, Huang J, Chen M, Li B, Chen X, Zhou M. Tripartite Motif Protein 6 Promotes Colorectal Cancer Cell Migration and Metastasis via SOCS2-STAT3 Signaling. Front Oncol 2021; 11:695525. [PMID: 34589421 PMCID: PMC8473888 DOI: 10.3389/fonc.2021.695525] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 08/24/2021] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) is one of the leading causes of cancer death worldwide, with most mortalities being caused by metastases. However, the underlying molecular mechanism of CRC metastases remains largely unknown. Emerging evidence has shown the role of the tripartite motif family, especially tripartite motif protein 6 (TRIM6), in carcinogenesis. In this study, we used CRC cell lines with TRIM6 knockdown and overexpression to investigate the function of TRIM6 in CRC metastasis. We found that TRIM6 promotes CRC cell migration and invasion both in vitro and in vivo. TRIM6 knockdown slows down the migration and invasion processes, whereas TRIM6 overexpression accelerates CRC cell migration and invasion. TRIM6 is potentially the upstream regulatory factor for signal transducer and activator of transcription 3 (STAT3) via the suppressor of cytokine signaling 2 (SOCS2). A total of 70 samples from patients with CRC further confirmed that TRIM6 expression level is positively correlated with STAT3 phosphorylation and negatively correlated with SOCS2 expression. Therefore, TRIM6 could be a potential therapeutic target for CRC metastasis.
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Affiliation(s)
- Hongjian Zhao
- Department of General Surgery, Zhabei Central Hospital of Jing'an District, Shanghai, China
| | - Junjun Huang
- Department of General Surgery, Zhabei Central Hospital of Jing'an District, Shanghai, China
| | - Ming Chen
- Department of General Surgery, Zhabei Central Hospital of Jing'an District, Shanghai, China
| | - Baoru Li
- Department of General Surgery, Zhabei Central Hospital of Jing'an District, Shanghai, China
| | - Xinran Chen
- Department of General Surgery, Zhabei Central Hospital of Jing'an District, Shanghai, China
| | - Mingqing Zhou
- Department of General Surgery, Zhabei Central Hospital of Jing'an District, Shanghai, China
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Discovery of Novel Polycyclic Polyprenylated Acylphloroglucinols from the Fruits of Garcinia xanthochymus as Antitumor Agents by Suppressing the STAT3 Signaling. Int J Mol Sci 2021; 22:ijms221910365. [PMID: 34638708 PMCID: PMC8508737 DOI: 10.3390/ijms221910365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 12/18/2022] Open
Abstract
Pharmacologic studies have revealed that polycyclic polyprenylated acylphloroglucinols (PPAPs) collectively exhibit a broad range of biological activities, including antineoplastic potential. Here, six new PPAPs, named garcixanthochymones F–K (3, 5, 7, 8, 11, and 15), together with nine known analogues were isolated from the fruits of Garcinia xanthochymus. Their structures were elucidated based on the spectroscopic data, including UV, HRESIMS, and NMR, and quantum chemical calculations. All the isolated PPAPs were tested for anti-proliferative activity against four human tumor cell lines, including SGC7901, A549, HepG2, and MCF-7. Most of the PPAPs possessed high anti-proliferative activity with IC50 values in the range of 0.89 to 36.98 μM, and significant apoptosis was observed in MCF-7 cells exposed to compounds 2 and 5. Besides, docking results showed that compounds 2 and 5 could strongly combine with the Src homology 2 (SH2) domain of STAT3 via hydrogen bond and hydrophobic interaction, which is one of the key oncogenes and crucial therapeutic targets. Furthermore, compounds 2 and 5 efficiently downregulated the expression of p-STAT3Tyr705 and pivotal effector proteins involved in oncogenic signaling pathways of MCF-7 cells.
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Targeting cancer stem cells in medulloblastoma by inhibiting AMBRA1 dual function in autophagy and STAT3 signalling. Acta Neuropathol 2021; 142:537-564. [PMID: 34302498 PMCID: PMC8357694 DOI: 10.1007/s00401-021-02347-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 07/09/2021] [Accepted: 07/10/2021] [Indexed: 12/11/2022]
Abstract
Medulloblastoma (MB) is a childhood malignant brain tumour comprising four main subgroups characterized by different genetic alterations and rate of mortality. Among MB subgroups, patients with enhanced levels of the c-MYC oncogene (MBGroup3) have the poorest prognosis. Here we identify a previously unrecognized role of the pro-autophagy factor AMBRA1 in regulating MB. We demonstrate that AMBRA1 expression depends on c-MYC levels and correlates with Group 3 patient poor prognosis; also, knockdown of AMBRA1 reduces MB stem potential, growth and migration of MBGroup3 stem cells. At a molecular level, AMBRA1 mediates these effects by suppressing SOCS3, an inhibitor of STAT3 activation. Importantly, pharmacological inhibition of autophagy profoundly affects both stem and invasion potential of MBGroup3 stem cells, and a combined anti-autophagy and anti-STAT3 approach impacts the MBGroup3 outcome. Taken together, our data support the c-MYC/AMBRA1/STAT3 axis as a strong oncogenic signalling pathway with significance for both patient stratification strategies and targeted treatments of MBGroup3.
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37
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(20S) Ginsenoside Rh2 Inhibits STAT3/VEGF Signaling by Targeting Annexin A2. Int J Mol Sci 2021; 22:ijms22179289. [PMID: 34502195 PMCID: PMC8431727 DOI: 10.3390/ijms22179289] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 08/10/2021] [Accepted: 08/19/2021] [Indexed: 02/06/2023] Open
Abstract
Signal transducers and activators of transcription 3 (STAT3) acts as a transcriptional signal transducer, converting cytokine stimulation into specific gene expression. In tumor cells, aberrant activation of the tyrosine kinase pathway leads to excessive and continuous activation of STAT3, which provides further signals for tumor cell growth and surrounding angiogenesis. In this process, the tumor-associated protein Annexin A2 interacts with STAT3 and promotes Tyr705 phosphorylation and STAT3 transcriptional activation. In this study, we found that (20S) ginsenoside Rh2 (G-Rh2), a natural compound inhibitor of Annexin A2, inhibited STAT3 activity in HepG2 cells. (20S) G-Rh2 interfered with the interaction between Annexin A2 and STAT3, and inhibited Tyr705 phosphorylation and subsequent transcriptional activity. The inhibitory activity of STAT3 leaded to the negative regulation of the four VEGFs, which significantly reduced the enhanced growth and migration ability of HUVECs in co-culture system. In addition, (20S)G-Rh2 failed to inhibit STAT3 activity in cells overexpressing (20S)G-Rh2 binding-deficient Annexin A2-K301A mutant, further proving Annexin A2-mediated inhibition of STAT3 by (20S)G-Rh2. These results indicate that (20S)G-Rh2 is a potent inhibitor of STAT3, predicting the potential activity of (20S)G-Rh2 in targeted therapy applications.
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Gargalionis AN, Papavassiliou KA, Papavassiliou AG. Targeting STAT3 Signaling Pathway in Colorectal Cancer. Biomedicines 2021; 9:biomedicines9081016. [PMID: 34440220 PMCID: PMC8392110 DOI: 10.3390/biomedicines9081016] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 07/31/2021] [Accepted: 08/13/2021] [Indexed: 12/12/2022] Open
Abstract
Signal transducer and activator of transcription 3 (STAT3) is a critical transcription factor that has been firmly associated with colorectal cancer (CRC) initiation and development. STAT3 mediates key inflammatory mechanisms in colitis-associated cancer, becomes excessively activated in CRC, and enhances cancer cell proliferation, tumor growth, angiogenesis, invasion, and migration. STAT3 hyperactivation in malignant cells, surrounding immune cells and cancer-associated fibroblasts, mediates inhibition of the innate and adaptive immunity of the tumor microenvironment, and, therefore, tumor evasion from the immune system. These features highlight STAT3 as a promising therapeutic target; however, the mechanisms underlying these features have not been fully elucidated yet and STAT3 inhibitors have not reached the clinic in everyday practice. In the present article, we review the STAT3 signaling network in CRC and highlight the current notion for the design of STAT3-focused treatment approaches. We also discuss recent breakthroughs in combination immunotherapy regimens containing STAT3 inhibitors, therefore providing a new perception for the clinical application of STAT3 in CRC.
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Affiliation(s)
- Antonios N. Gargalionis
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (A.N.G.); (K.A.P.)
- Department of Biopathology, Aeginition Hospital, Medical School, National and Kapodistrian University of Athens, 11528 Athens, Greece
| | - Kostas A. Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (A.N.G.); (K.A.P.)
| | - Athanasios G. Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (A.N.G.); (K.A.P.)
- Correspondence: ; Tel.: +30-210-746-2508; Fax: +30-210-746-2703
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Tesoriere A, Dinarello A, Argenton F. The Roles of Post-Translational Modifications in STAT3 Biological Activities and Functions. Biomedicines 2021; 9:956. [PMID: 34440160 PMCID: PMC8393524 DOI: 10.3390/biomedicines9080956] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/27/2021] [Accepted: 07/30/2021] [Indexed: 02/07/2023] Open
Abstract
STAT3 is an important transcription factor that regulates cell growth and proliferation by regulating gene transcription of a plethora of genes. This protein also has many roles in cancer progression and several tumors such as prostate, lung, breast, and intestine cancers that are characterized by strong STAT3-dependent transcriptional activity. This protein is post-translationally modified in different ways according to cellular context and stimulus, and the same post-translational modification can have opposite effects in different cellular models. In this review, we describe the studies performed on the main modifications affecting the activity of STAT3: phosphorylation of tyrosine 705 and serine 727; acetylation of lysine 49, 87, 601, 615, 631, 685, 707, and 709; and methylation of lysine 49, 140, and 180. The extensive results obtained by different studies demonstrate that post-translational modifications drastically change STAT3 activities and that we need further analysis to properly elucidate all the functions of this multifaceted transcription factor.
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Affiliation(s)
| | | | - Francesco Argenton
- Dipartimento di Biologia, Università degli Studi di Padova, 35131 Padova, Italy; (A.T.); (A.D.)
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40
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Park HS, Han JH, Park JW, Lee DH, Jang KW, Lee M, Heo KS, Myung CS. Sodium propionate exerts anticancer effect in mice bearing breast cancer cell xenograft by regulating JAK2/STAT3/ROS/p38 MAPK signaling. Acta Pharmacol Sin 2021; 42:1311-1323. [PMID: 32973326 PMCID: PMC8285538 DOI: 10.1038/s41401-020-00522-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023] Open
Abstract
Propionate is a short-chain fatty acid (SCFA) mainly produced from carbohydrates by gut microbiota. Sodium propionate (SP) has shown to suppress the invasion in G protein-coupled receptor 41 (GPR41) and GPR43-overexpressing breast cancer cells. In this study we investigated the effects of SP on the proliferation, apoptosis, autophagy, and antioxidant production of breast cancer cells. We showed that SP (5-20 mM) dose-dependently inhibited proliferation and induced apoptosis in breast cancer cell lines JIMT-1 (ER-negative and HER2-expressing) and MCF7 (ER-positive type), and this effect was not affected by PTX, thus not mediated by the GPR41 or GPR43 SCFA receptors. Meanwhile, we demonstrated that SP treatment increased autophagic and antioxidant activity in JIMT-1 and MCF7 breast cancer cells, which might be a compensatory mechanism to overcome SP-induced apoptosis, but were not sufficient to overcome SP-mediated suppression of proliferation and induction of apoptosis. We revealed that the anticancer effect of SP was mediated by inhibiting JAK2/STAT3 signaling which led to cell-cycle arrest at G0/G1 phase, and increasing levels of ROS and phosphorylation of p38 MAPK which induced apoptosis. In nude mice bearing JIMT-1 and MCF7 cells xenograft, administration of SP (20 mg/mL in drinking water) significantly suppressed tumor growth by regulating STAT3 and p38 in tumor tissues. These results suggest that SP suppresses proliferation and induces apoptosis in breast cancer cells by inhibiting STAT3, increasing the ROS level and activating p38. Therefore, SP is a candidate therapeutic agent for breast cancer.
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Affiliation(s)
- Hyun-Soo Park
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Joo-Hui Han
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Jeong Won Park
- Department of Lifetech.Institute, iNtRON Biotechnology, Seongnam-si, 13202, Republic of Korea
| | - Do-Hyung Lee
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Keun-Woo Jang
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Miji Lee
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Kyung-Sun Heo
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea
| | - Chang-Seon Myung
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon, 34134, Republic of Korea.
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Diallo M, Herrera F. The role of understudied post-translational modifications for the behavior and function of Signal Transducer and Activator of Transcription 3. FEBS J 2021; 289:6235-6255. [PMID: 34235865 DOI: 10.1111/febs.16116] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 06/16/2021] [Accepted: 07/07/2021] [Indexed: 12/19/2022]
Abstract
The Signal Transducer and Activator of Transcription (STAT) family of transcription factors is involved in inflammation, immunity, development, cancer, and response to injury, among other biological phenomena. Canonical STAT signaling is often represented as a 3-step pathway involving the sequential activation of a membrane receptor, an intermediate kinase, and a STAT transcription factor. The rate-limiting phosphorylation at a highly conserved C-terminal tyrosine residue determines the nuclear translocation and transcriptional activity of STATs. This apparent simplicity is actually misleading and can hardly explain the pleiotropic nature of STATs, the existence of various noncanonical STAT pathways, or the key role of the N-terminal domain in STAT functions. More than 80 post-translational modifications (PTMs) have been identified for STAT3, but their functions remain barely understood. Here, we provide a brief but comprehensive overview of these underexplored PTMs and their role on STAT3 canonical and noncanonical functions. A less tyrosine-centric point of view may be required to advance our understanding of STAT signaling.
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Affiliation(s)
- Mickael Diallo
- Faculdade de Ciências da Universidade de Lisboa, Cell Structure and Dynamics Laboratory, BioISI - Instituto de Biosistemas e Ciências integrativas, Lisbon, Portugal.,MOSTMICRO Research Unit, Instituto de Tecnologia Química e Biológica (ITQB-NOVA), Universidade Nova de Lisboa, Oeiras, Portugal
| | - Federico Herrera
- Faculdade de Ciências da Universidade de Lisboa, Cell Structure and Dynamics Laboratory, BioISI - Instituto de Biosistemas e Ciências integrativas, Lisbon, Portugal.,MOSTMICRO Research Unit, Instituto de Tecnologia Química e Biológica (ITQB-NOVA), Universidade Nova de Lisboa, Oeiras, Portugal
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Dong J, Cheng XD, Zhang WD, Qin JJ. Recent Update on Development of Small-Molecule STAT3 Inhibitors for Cancer Therapy: From Phosphorylation Inhibition to Protein Degradation. J Med Chem 2021; 64:8884-8915. [PMID: 34170703 DOI: 10.1021/acs.jmedchem.1c00629] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Signal transducer and activator of transcription 3 (STAT3) is a transcription factor that regulates various biological processes, including proliferation, metastasis, angiogenesis, immune response, and chemoresistance. In normal cells, STAT3 is tightly regulated to maintain a transiently active state, while persistent STAT3 activation occurs frequently in cancers, associating with a poor prognosis and tumor progression. Targeting the STAT3 protein is a potentially promising therapeutic strategy for tumors. Although none of the STAT3 inhibitors has been marketed yet, a few of them have succeeded in entering clinical trials. This Review aims to systematically summarize the progress of the last 5 years in the discovery of directive STAT3 small-molecule inhibitors and degraders, focusing primarily on their structural features, design strategies, and bioactivities. We hope this Review will shed light on future drug design and inhibitor optimization to accelerate the discovery process of STAT3 inhibitors or degraders.
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Affiliation(s)
- Jinyun Dong
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, Zhejiang 310022, China.,Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
| | - Xiang-Dong Cheng
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, Zhejiang 310022, China.,Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
| | - Wei-Dong Zhang
- School of Pharmacy, Naval Medical University, Shanghai 200433, China
| | - Jiang-Jiang Qin
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, Zhejiang 310022, China.,Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310018, China
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Pylaeva E, Ozel I, Squire A, Spyra I, Wallner C, Korek M, Korschunow G, Domnich M, Siakaeva E, Goetz M, Bankfalvi A, Lang S, Kansy B, Jablonska J. B-Helper Neutrophils in Regional Lymph Nodes Correlate with Improved Prognosis in Patients with Head and Neck Cancer. Cancers (Basel) 2021; 13:cancers13123092. [PMID: 34205654 PMCID: PMC8234083 DOI: 10.3390/cancers13123092] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/09/2021] [Accepted: 06/14/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Neutrophils exhibit multiple functions during cancer progression and are believed to regulate adaptive immune responses to cancer. In addition to their interactions with T cells in this context, these cells are also believed to interact with B cells. Neutrophils have been found in the marginal zone of the spleen, where they exhibit helper cell characteristics, supporting B cell proliferation and activation. Here, we investigate the effect of neutrophils on B cells in the regional lymph nodes (RLN) of head-and-neck cancer (HNC) patients. We have identified that, in RLNs, neutrophils express a helper cell phenotype that was associated with the increased activation and proliferation of B cells. Importantly, the high abundance of neutrophils in the B cell follicles of regional lymph nodes is associated with significantly improved HNC patient survival. Abstract The role of neutrophils during cancer formation and elimination is diverse. Here, for the first time, we investigate neutrophil helper cells (NBH), their influence on B cell activity in the regional lymph nodes (RLN) of head-and-neck cancer patients and the effect of this neutrophil/B cell interaction on patient prognosis. Circulating and RLN neutrophils of patients with stage I–IV head-and-neck squamous cell carcinoma were investigated with flow cytometry and qPCR. In addition, neutrophil/B cell co-localization in RLNs was evaluated using immunohistochemistry. B cell proliferation was assessed and correlated with the distance to neutrophils. Patient survival was evaluated. Neutrophils with the helper cell phenotype were identified in the RLN of HNC patients. B cells in close proximity to such NBH showed significantly higher proliferation rates, together with elevated activation-induced cytidine deaminase (AID) expression. Notably, patient survival was significantly higher in individuals with high NBH frequencies in the B follicles of RLNs. Neutrophils in RLN can support T cell-independent activation of the adaptive immune system through B cell stimulation, capturing helper cell phenotype character. The presence of such helper neutrophils in the RLNs of HNC patients positively correlates with patient prognosis.
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Affiliation(s)
- Ekaterina Pylaeva
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Irem Ozel
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Anthony Squire
- Institute of Experimental Immunology and Imaging, University Hospital Essen, University Duisburg-Essen, 45141 Essen, Germany;
| | - Ilona Spyra
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Charlotte Wallner
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Magdalena Korek
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Georg Korschunow
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Maksim Domnich
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Elena Siakaeva
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
| | - Moritz Goetz
- Institute of Pathology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (M.G.); (A.B.)
| | - Agnes Bankfalvi
- Institute of Pathology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (M.G.); (A.B.)
| | - Stephan Lang
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
- German Cancer Consortium (DKTK) Partner Site Düsseldorf/Essen, 45147 Essen, Germany
| | - Benjamin Kansy
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
- German Cancer Consortium (DKTK) Partner Site Düsseldorf/Essen, 45147 Essen, Germany
- Correspondence: (B.K.); (J.J.)
| | - Jadwiga Jablonska
- Department of Otorhinolaryngology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany; (E.P.); (I.O.); (I.S.); (C.W.); (M.K.); (G.K.); (M.D.); (E.S.); (S.L.)
- German Cancer Consortium (DKTK) Partner Site Düsseldorf/Essen, 45147 Essen, Germany
- Correspondence: (B.K.); (J.J.)
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Wang Y, Cheng Z, Xu J, Lai M, Liu L, Zuo M, Dang L. Fat mass and obesity-associated protein (FTO) mediates signal transducer and activator of transcription 3 (STAT3)-drived resistance of breast cancer to doxorubicin. Bioengineered 2021; 12:1874-1889. [PMID: 34076564 PMCID: PMC8806322 DOI: 10.1080/21655979.2021.1924544] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Excessive activation of signal transducer and activator of transcription 3 (STAT3) is implicated in breast cancer (BC) chemoresistance, but its underlying mechanism is not fully understood. There are STAT3 binding sites in fat mass and obesity-associated protein (FTO) promoter region, thus STAT3 may regulate the transcription of FTO. This study aimed to investigate the correlation between FTO and STAT3 in BC chemoresistance. Herein, FTO and STAT3 were highly expressed in doxorubicin-resistant BC (BC-DoxR) cells. CHIP assay verified the binding between STAT3 and FTO promoter in BC-DoxR cells. Dual luciferase reporter assay showed that FTO promoter activity was inhibited by S3I-201 (STAT3 inhibitor) but enhanced by epidermal growth factor (EGF, STAT3 activator) in BC-DoxR and BC cells. FTO mRNA and protein expression were suppressed by S3I-201 in BC-DoxR cells and EGF-stimulated BC cells. Notably, FTO regulated total N6-methyladenosine (m6A) levels in BC-DoxR and BC cells but could not affect STAT3 mRNA expression, indicating that FTO was not involved in the m6A modification of STAT3. However, FTO could activate STAT3 signaling in BC-DoxR and BC cells. Besides, FTO knockdown inhibited the doxorubicin resistance of BC-DoxR cells, while FTO overexpression enhanced the doxorubicin resistance and weakened the doxorubicin sensitivity of BC cells. Moreover, decreased doxorubicin resistance by STAT3 knockdown was abolished by FTO overexpression and decreased doxorubicin sensitivity by STAT3 overexpression was reversed by FTO knockdown, indicating that FTO was implicated in STAT3-mediated doxorubicin resistance and impairment of doxorubicin sensitivity of BC cells. Altogether, our findings provide a mechanism underlying BC doxorubicin resistance.
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Affiliation(s)
- Yan Wang
- Department of Pathology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Zhiqiang Cheng
- Department of Pathology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Jing Xu
- Department of Pathology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Meina Lai
- Department of Pathology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Liming Liu
- Department of Pathology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Min Zuo
- Department of Pathology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Lin Dang
- Department of Dermatology, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University, the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
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Chen Q, Wang WJ, Jia YX, Yuan H, Wu PF, Ge WL, Meng LD, Huang XM, Shen P, Yang TY, Miao Y, Zhang JJ, Jiang KR. Effect of the transcription factor YY1 on the development of pancreatic endocrine and exocrine tumors: a narrative review. Cell Biosci 2021; 11:86. [PMID: 33985581 PMCID: PMC8120816 DOI: 10.1186/s13578-021-00602-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 05/04/2021] [Indexed: 12/19/2022] Open
Abstract
Pancreatic tumors are classified into endocrine and exocrine types, and the clinical manifestations in patients are nonspecific. Most patients, especially those with pancreatic ductal adenocarcinoma (PDAC), have lost the opportunity to receive for the best treatment at the time of diagnosis. Although chemotherapy and radiotherapy have shown good therapeutic results in other tumors, their therapeutic effects on pancreatic tumors are minimal. A multifunctional transcription factor, Yin-Yang 1 (YY1) regulates the transcription of a variety of important genes and plays a significant role in diverse tumors. Studies have shown that targeting YY1 can improve the survival time of patients with tumors. In this review, we focused on the mechanism by which YY1 affects the occurrence and development of pancreatic tumors. We found that a YY1 mutation is specific for insulinomas and has a role in driving the degree of malignancy. In addition, changes in the circadian network are a key causative factor of PDAC. YY1 promotes pancreatic clock progression and induces malignant changes, but YY1 seems to act as a tumor suppressor in PDAC and affects many biological behaviors, such as proliferation, migration, apoptosis and metastasis. Our review summarizes the progress in understanding the role of YY1 in pancreatic endocrine and exocrine tumors and provides a reasonable assessment of the potential for therapeutic targeting of YY1 in pancreatic tumors.
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Affiliation(s)
- Qun Chen
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Wu-Jun Wang
- Jiangsu Province Hospital on Integration of Chinese and Western Medicine, Nanjing, China
| | | | - Hao Yuan
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Peng-Fei Wu
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Wan-Li Ge
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Ling-Dong Meng
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Xu-Min Huang
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Peng Shen
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Tao-Yue Yang
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Yi Miao
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China.,Nanjing Medical University, Nanjing, China
| | - Jing-Jing Zhang
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China. .,Nanjing Medical University, Nanjing, China.
| | - Kui-Rong Jiang
- Pancreas Center, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, People's Republic of China. .,Nanjing Medical University, Nanjing, China.
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Huang L, Xu Y, Fang J, Liu W, Chen J, Liu Z, Xu Q. Targeting STAT3 Abrogates Tim-3 Upregulation of Adaptive Resistance to PD-1 Blockade on Regulatory T Cells of Melanoma. Front Immunol 2021; 12:654749. [PMID: 33936081 PMCID: PMC8082190 DOI: 10.3389/fimmu.2021.654749] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/19/2021] [Indexed: 12/11/2022] Open
Abstract
Background Less than 20% of melanoma patients respond to programmed cell death-1 (PD-1) blockade immunotherapies. Thus, it is crucial to understand the dynamic changes in the tumor microenvironment (TME) after PD-1 blockade, for developing immunotherapy efficacy. Methods A genomic analysis was conducted by The Cancer Genome Atlas (TCGA) datasets and web platform TIMER2.0 datasets. Pathway enrichment analysis was performed using the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway. Peripheral blood mononuclear cells (PBMCs), regulatory T (Treg) cells, and B16-F10 melanoma mice were used as models. The cellular and molecular characteristics and mechanisms of Treg cells in melanoma were assessed by performing gene expression studies, immunohistochemistry, RNA sequencing, and flow cytometry. Results Here, we evaluate the countenance of T cell immunoglobulin and mucin-domain containing-3 (Tim-3), and various immunosuppressive factors within tumor-infiltrated Treg cells after treatment with anti-PD-1 or the indicator transduction and activator of transcription 3 (STAT3) inhibitors. Increased expression of Tim-3 is markedly observed within the tissues of the PD-1 blockade resistance of melanoma patients. Targeting STAT3 significantly boosts the response of resistant-PD-1 therapy within the melanoma mouse model. Mechanistically, the manifestation of STAT3 decreases the expression of Tim-3 and various cytokines in the purified Treg cells from individual PBMCs and the murine melanoma model, limiting the immunosuppression of Treg cells. Conclusions Our findings indicate that Tim-3 expression on Treg cells within the TME is STAT3-dependent, providing support to STAT3 as a target and enhancing the immunotherapy for patients suffering from melanoma.
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Affiliation(s)
- Lili Huang
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Tongji University Cancer Center, Shanghai, China
| | - Yu Xu
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Juemin Fang
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Tongji University Cancer Center, Shanghai, China
| | - Weixing Liu
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Tongji University Cancer Center, Shanghai, China
| | - Jianhua Chen
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Tongji University Cancer Center, Shanghai, China
| | - Zhuqing Liu
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Tongji University Cancer Center, Shanghai, China
| | - Qing Xu
- Department of Oncology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.,Tongji University Cancer Center, Shanghai, China
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Han L, Yu R, Ni X, Zhang Z. Effect of microRNA-4268 on Proliferation and Apoptosis of Non-Small Cell Lung Cancer Cells Through Regulating Signal Transducer and Activator of Transcription 3 Level. J BIOMATER TISS ENG 2021. [DOI: 10.1166/jbt.2021.2574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
STAT3 is closely related to non-small cell lung cancer (NSCLC). miR-4268 is predicted to regulate STAT3 level by MiRDB analysis. Therefore, our study investigated whether miR-4268 affects NSCLC cells by regulating STAT3. The control group (NC group), miR-4268 Mimics group, and miR-4268
Mimics +pFBD-STAT3 group were set up followed by analysis of miR-4268 and STAT3 mRNA level by QRT-PCR, relationship between miR-4268 and STAT3 by dual fluorescein reporter assay, STAT3 and Tubulin protein level by Western blot, cell proliferation by MTT assay and apoptosis by Annexin V-FITC/PI
staining. Compared with normal tissue, miR-4268 expression in cancer tissue was significantly reduced (P <0.01), while STAT3 level was elevated (P <0.01). STAT3 was a target gene of miR-4268. Compared with NC group, STAT3 level was significantly reduced in miR-4268 Mimics
group (P <0.01) and increased in miR-4268 Mimics+pFBD-STAT3 group compared with miR-4268 Mimics group (P <0.05). Compared to NC group, miR-4268 Mimics group had reduced cell proliferation and increased cell apoptosis and opposite changes were observed in miR-4268 Mimics+pFBD-STAT3
group which had increased cell proliferation and decreased apoptosis (P < 0.05). miR-4268 regulates STAT3 mRNA level and inhibits NSCLC cell proliferation and promotes apoptosis. However, over-expression of STAT3 can inhibit the effect of miR-4268.
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Affiliation(s)
- Lei Han
- Department of Respiratory, Mudanjiang Medical University Hongqi Hospital, Mudanjiang, Heilongjiang, 157000, China
| | - Renzhi Yu
- Department of Respiratory, Mudanjiang Medical University Hongqi Hospital, Mudanjiang, Heilongjiang, 157000, China
| | - Xin Ni
- Department of Respiratory, Mudanjiang Medical University Hongqi Hospital, Mudanjiang, Heilongjiang, 157000, China
| | - Zenglei Zhang
- Department of Respiratory, Mudanjiang Medical University Hongqi Hospital, Mudanjiang, Heilongjiang, 157000, China
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Coulibaly A, Velásquez SY, Kassner N, Schulte J, Barbarossa MV, Lindner HA. STAT3 governs the HIF-1α response in IL-15 primed human NK cells. Sci Rep 2021; 11:7023. [PMID: 33782423 PMCID: PMC8007797 DOI: 10.1038/s41598-021-84916-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 02/01/2021] [Indexed: 02/01/2023] Open
Abstract
Natural killer (NK) cells mediate innate host defense against microbial infection and cancer. Hypoxia and low glucose are characteristic for these tissue lesions but do not affect early interferon (IFN) γ and CC chemokine release by interleukin 15 (IL-15) primed human NK cells in vitro. Hypoxia inducible factor 1α (HIF-1α) mediates cellular adaption to hypoxia. Its production is supported by mechanistic target of rapamycin complex 1 (mTORC1) and signal transducer and activator of transcription 3 (STAT3). We used chemical inhibition to probe the importance of mTORC1 and STAT3 for the hypoxia response and of STAT3 for the cytokine response in isolated and IL-15 primed human NK cells. Cellular responses were assayed by magnetic bead array, RT-PCR, western blotting, flow cytometry, and metabolic flux analysis. STAT3 but not mTORC1 activation was essential for HIF-1α accumulation, glycolysis, and oxygen consumption. In both primed normoxic and hypoxic NK cells, STAT3 inhibition reduced the secretion of CCL3, CCL4 and CCL5, and it interfered with IL-12/IL-18 stimulated IFNγ production, but it did not affect cytotoxic granule degranulation up on target cell contact. We conclude that IL-15 priming promotes the HIF-1α dependent hypoxia response and the early cytokine response in NK cells predominantly through STAT3 signaling.
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Affiliation(s)
- Anna Coulibaly
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Sonia Y. Velásquez
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Nina Kassner
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Jutta Schulte
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Maria Vittoria Barbarossa
- grid.7700.00000 0001 2190 4373Interdisciplinary Center for Scientific Computing, Heidelberg University, 69120 Heidelberg, Germany ,grid.417999.bFrankfurt Institute of Advanced Studies, 60438 Frankfurt, Germany
| | - Holger A. Lindner
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
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Zarei-Ghobadi M, Sheikhi M, Teymoori-Rad M, Yaslianifard S, Norouzi M, Yaslianifard S, Faraji R, Farahmand M, Bayat S, Jafari M, Mozhgani SH. HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) versus adult T-cell leukemia/lymphoma (ATLL). BMC Res Notes 2021; 14:109. [PMID: 33757561 PMCID: PMC7989087 DOI: 10.1186/s13104-021-05521-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/11/2021] [Indexed: 11/17/2022] Open
Abstract
Objectives Human T cell leukemia virus-1 (HTLV-1) infection may lead to one or both diseases including HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) or adult T cell leukemia lymphoma (ATLL). The complete interactions of the virus with host cells in both diseases is yet to be determined. This study aims to construct an interaction network for distinct signaling pathways in these diseases based on finding differentially expressed genes (DEGs) between HAM/TSP and ATLL. Results We identified 57 hub genes with higher criteria scores in the primary protein–protein interaction network (PPIN). The ontology-based enrichment analysis revealed following important terms: positive regulation of transcription from RNA polymerase II promoter, positive regulation of transcription from RNA polymerase II promoter involved in meiotic cell cycle and positive regulation of transcription from RNA polymerase II promoter by histone modification. The upregulated genes TNF, PIK3R1, HGF, NFKBIA, CTNNB1, ESR1, SMAD2, PPARG and downregulated genes VEGFA, TLR2, STAT3, TLR4, TP53, CHUK, SERPINE1, CREB1 and BRCA1 were commonly observed in all the three enriched terms in HAM/TSP vs. ATLL. The constructed interaction network was then visualized inside a mirrored map of signaling pathways for ATLL and HAM/TSP, so that the functions of hub genes were specified in both diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s13104-021-05521-y.
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Affiliation(s)
| | - Mohsen Sheikhi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Majid Teymoori-Rad
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Sahar Yaslianifard
- Department of Biochemistry, Faculty of Life Sciences of Islamic, Azad University, Tehran north branch, Tehran, Iran
| | - Mehdi Norouzi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.,Research Center for Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran
| | - Somayeh Yaslianifard
- Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.,Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Reza Faraji
- Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Mohammad Farahmand
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Shiva Bayat
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohieddin Jafari
- Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Sayed-Hamidreza Mozhgani
- Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran. .,Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.
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50
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Wang J, Wu Y, Li Y, Wang Y, Shen F, Zhou J, Chen Y. Guanosine monophosphate synthase upregulation mediates cervical cancer progression by inhibiting the apoptosis of cervical cancer cells via the Stat3/P53 pathway. Int J Oncol 2021; 58:3. [PMID: 33649833 PMCID: PMC7891820 DOI: 10.3892/ijo.2021.5183] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 01/18/2021] [Indexed: 12/24/2022] Open
Abstract
Guanosine monophosphate synthase (GMPS) participates in chromatin and gene regulation in multiple types of organisms, and is highly expressed in a variety of human malignancies. The purpose of the present study was to explore the expression of GMPS and its role in cervical cancer (CC), and to provide ideas for improving the clinical efficacy of CC treatment. In the present study, immunohistochemistry, reverse transcription-quantitative PCR analysis, Cell Counting Kit-8 assay, 5-ethynyl-2′-deoxyuridine assay, flow cytometry, western blotting and immunofluorescence assays were conducted to detect the expression of GMPS in normal cervical tissues, CC tissues, para-cancerous tissues and CC cell lines. Moreover, the present study detected the effect of GMPS knockdown on CC cell proliferation, clonal formation ability, aging and apoptosis, as well as on the expression levels of apoptosis-related proteins in tumor cells. The present results demonstrated that the expression level of GMPS in CC was significantly higher compared with that of adjacent tissues; the expression rate of GMPS in CC was 57.36%. GMPS expression was found to successively and gradually increase from that in normal cervical tissues, to that in cervical intraepithelial neoplasia and CC tissues. The abnormal expression of GMPS was positively associated with the degree of CC differentiation and the depth of early invasion. Small interfering (si) RNA knockdown of GMPS inhibited proliferation and colony formation, and promoted aging and apoptosis of CC cells. Furthermore, subcutaneous injection of GMPS-knockdown tumor cells in nude mice resulted in a decrease in the proliferative ability of the tumor. The animal experimental results showed that the tumor growth rate of the short hairpin (sh) RNA-GMPS group was significantly slower than that of the HeLa sh-negative control group. It was identified that GMPS may inhibit CC cell senescence and apoptosis via the Stat3/P53 molecular pathway. Collectively, the present results suggested that GMPS may be a marker of unfavorable prognosis of CC, and it may also be a potential therapeutic target for CC.
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Affiliation(s)
- Juan Wang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Yuhong Wu
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Yan Li
- Department of Gynecology and Obstetrics, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224000, P.R. China
| | - Yamei Wang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Fangrong Shen
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Jinhua Zhou
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Youguo Chen
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
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