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Abduh MS, Alwassil OI, Aldaqal SM, Alfwuaires MA, Farhan M, Hanieh H. A pyrazolopyridine as a novel AhR signaling activator with anti-breast cancer properties in vitro and in vivo. Biochem Pharmacol 2024; 222:116079. [PMID: 38402910 DOI: 10.1016/j.bcp.2024.116079] [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: 10/06/2023] [Revised: 01/29/2024] [Accepted: 02/22/2024] [Indexed: 02/27/2024]
Abstract
Breast cancer is one of the main causes of malignancy-related deaths globally and has a significant impact on women's quality of life. Despite significant therapeutic advances, there is a medical need for targeted therapies in breast cancer. Aryl hydrocarbon receptor (AhR), a ligand-dependent transcription factor mediates responses to environment stimuli, is emerging as a unique pleiotropic target. Herein, a combined molecular simulation and in vitro investigations identified 3-(3-fluorophenyl)-1H-pyrazolo[3,4-b]pyridine (3FPP) as a novel AhR ligand in T47D and MDA-MB-231 breast cancer cells. Its agonistic effects induced formation of the AhR-AhR nuclear translocator (Arnt) heterodimer and prompted its binding to the penta-nucleotide sequence, called xenobiotic-responsive element (XRE) motif. Moreover, 3FPP augmented the promoter-driven luciferase activities and expression of AhR-regulated genes encoding cytochrome P450 1A1 (CYP1A1) and microRNA (miR)-212/132 cluster. It reduced cell viability, migration, and invasion of both cell lines through AhR signaling. These anticancer properties were concomitant with reduced levels of B-cell lymphoma 2 (BCL-2), SRY-related HMG-box4 (SOX4), snail family zinc finger 2 (SNAI2), and cadherin 2 (CDH2). In vivo, 3FPP suppressed tumor growth and activated AhR signaling in an orthotopic mouse model. In conclusion, our results introduce the fused pyrazolopyridine 3FPP as a novel AhR agonist with AhR-specific anti-breast cancer potential in vitro and in vivo.
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Affiliation(s)
- Maisa S Abduh
- Immune Responses in Different Diseases Research Group, Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Osama I Alwassil
- Department of Pharmaceutical Sciences, College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh 11451, Saudi Arabia.
| | - Saleh M Aldaqal
- Immune Responses in Different Diseases Research Group, Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
| | - Manal A Alfwuaires
- Department of Biological Sciences, College of Science, King Faisal University, Hofuf 31982, Saudi Arabia.
| | - Mahdi Farhan
- International Medical Research Center (iMReC), Aqaba 77110, Jordan; Drug Development Department, UniTechPharma, Fribourg 1700, Switzerland.
| | - Hamza Hanieh
- International Medical Research Center (iMReC), Aqaba 77110, Jordan; Basic Medical Sciences Department, Faculty of Medicine, Aqaba Medical Sciences University, Aqaba 77110, Jordan.
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Mu C, Gao M, Xu W, Sun X, Chen T, Xu H, Qiu H. Mechanisms of microRNA-132 in central neurodegenerative diseases: A comprehensive review. Biomed Pharmacother 2024; 170:116029. [PMID: 38128185 DOI: 10.1016/j.biopha.2023.116029] [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: 09/14/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
MicroRNA-132 (miR-132) is a highly conserved molecule that plays a crucial regulatory role in central nervous system (CNS) disorders. The expression levels of miR-132 exhibit variability in various neurological disorders and have been closely linked to disease onset and progression. The expression level of miR-132 in the CNS is regulated by a diverse range of stimuli and signaling pathways, including neuronal migration and integration, dendritic outgrowth, and complexity, synaptogenesis, synaptic plasticity, as well as inflammation and apoptosis activation. The aberrant expression of miR-132 in various central neurodegenerative diseases has garnered widespread attention. Clinical studies have revealed altered miR-132 expression levels in both chronic and acute CNS diseases, positioning miR-132 as a potential biomarker or therapeutic target. An in-depth exploration of miR-132 holds the promise of enhancing our understanding of the mechanisms underlying CNS diseases, thereby offering novel insights and strategies for disease diagnosis and treatment. It is anticipated that this review will assist researchers in recognizing the potential value of miR-132 and in generating innovative ideas for clinical trials related to CNS degenerative diseases.
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Affiliation(s)
- Chenxi Mu
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Meng Gao
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Weijing Xu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China; School of Public Health, Jiamusi University, Jiamusi 154007, Heilongjiang, China
| | - Xun Sun
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Tianhao Chen
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Hui Xu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China.
| | - Hongbin Qiu
- School of Public Health, Jiamusi University, Jiamusi 154007, Heilongjiang, China.
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El-Boghdady NA, El-Hakk SA, Abd-Elmawla MA. The lncRNAs UCA1 and CRNDE target miR-145/TLR4/NF-қB/TNF-α axis in acetic acid-induced ulcerative colitis model: The beneficial role of 3,3-Diindolylmethane. Int Immunopharmacol 2023; 121:110541. [PMID: 37390564 DOI: 10.1016/j.intimp.2023.110541] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/07/2023] [Accepted: 06/17/2023] [Indexed: 07/02/2023]
Abstract
INTRODUCTION Ulcerative colitis (UC) is a chronic disease that alters the colonic and rectal mucosa. The high prevalence rates of UC make it a worldwide healthcare problem. However, its underlying molecular mechanisms remain vague. AIM OF THE STUDY To investigate the molecular mechanisms underlying UC and to study the cross-talk among the regulatory role of the lncRNAs UCA1, CRNDE, and miR-145 on TLR4/NF-κB/TNF-α signaling pathway. Moreover, the study was extended to examine the beneficial effects of 3,3-Diindolylmethane (DIM) on relieving UC. METHODS UC was induced in rats by injecting 2 ml of 4% acetic acid (AA) solution transrectally. After 24 h, rats were treated with either DIM (20 mg/kg) or sulphasalazine (SSZ) (500 mg/kg) orally for 7 days. RESULTS The present study revealed that the gene expression of the lncRNAs UCA1 and CRNDE were significantly upregulated in the AA-induced UC model compared with the control group, whereas miR-145 was significantly downregulated. There was a significant association between the expression of these non-coding RNAs and TLR4/ NF-κB/TNF-α axis as well as malondialdehyde and glutathione levels. Favorably, the DIM-treated group showed significant downregulation of the lncRNAs UCA1 and CRNDE along with upregulated miR-145 compared with the AA-induced UC model. Furthermore, DIM showed remarkable inhibition of the TLR4/ NF-κB /TNF-α cascade compared with non-treated UC rats. CONCLUSIONS The present study is the first to document the interrelated role of the lncRNAs UCA1 and CRNDE in UC via orchestrating miR-145/TLR4/ NF-κB /TNF-α inflammatory cascade. Furthermore, the study demonstrated a new molecular basis for the pleiotropic activities of DIM in relieving UC.
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Affiliation(s)
- Noha A El-Boghdady
- Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | | | - Mai A Abd-Elmawla
- Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
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Hanieh H, Bani Ismail M, Alfwuaires MA, Ibrahim HIM, Farhan M. Aryl Hydrocarbon Receptor as an Anticancer Target: An Overview of Ten Years Odyssey. Molecules 2023; 28:molecules28103978. [PMID: 37241719 DOI: 10.3390/molecules28103978] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/22/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
Aryl hydrocarbon receptor (AhR), a ligand-activated transcription factor belonging to the basic helix-loop-helix (bHLH)/per-Arnt-sim (PAS) superfamily, is traditionally known to mediate xenobiotic metabolism. It is activated by structurally diverse agonistic ligands and regulates complicated transcriptional processes through its canonical and non-canonical pathways in normal and malignant cells. Different classes of AhR ligands have been evaluated as anticancer agents in different cancer cells and exhibit efficiency, which has thrust AhR into the limelight as a promising molecular target. There is strong evidence demonstrating the anticancer potential of exogenous AhR agonists including synthetic, pharmaceutical, and natural compounds. In contrast, several reports have indicated inhibition of AhR activity by antagonistic ligands as a potential therapeutic strategy. Interestingly, similar AhR ligands exert variable anticancer or cancer-promoting potential in a cell- and tissue-specific mode of action. Recently, ligand-mediated modulation of AhR signaling pathways and the associated tumor microenvironment is emerging as a potential approach for developing cancer immunotherapeutic drugs. This article reviews advances of AhR in cancer research covering publication from 2012 to early 2023. It summarizes the therapeutic potential of various AhR ligands with an emphasis on exogenous ligands. It also sheds light on recent immunotherapeutic strategies involving AhR.
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Affiliation(s)
- Hamza Hanieh
- Basic Medical Sciences Department, Faculty of Medicine, Aqaba Medical Sciences University, Aqaba 77110, Jordan
- International Medical Research Center (iMReC), Aqaba 77110, Jordan
| | - Mohammad Bani Ismail
- Basic Medical Sciences Department, Faculty of Medicine, Aqaba Medical Sciences University, Aqaba 77110, Jordan
| | - Manal A Alfwuaires
- Department of Biological Sciences, College of Science, King Faisal University, Hofuf 31982, Saudi Arabia
| | - Hairul-Islam M Ibrahim
- Department of Biological Sciences, College of Science, King Faisal University, Hofuf 31982, Saudi Arabia
| | - Mahdi Farhan
- International Medical Research Center (iMReC), Aqaba 77110, Jordan
- Department of Drug Development, UniTechPharma, 1700 Fribourg, Switzerland
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Zhang M, Li X, Zhang Q, Yang J, Liu G. Roles of macrophages on ulcerative colitis and colitis-associated colorectal cancer. Front Immunol 2023; 14:1103617. [PMID: 37006260 PMCID: PMC10062481 DOI: 10.3389/fimmu.2023.1103617] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 03/06/2023] [Indexed: 03/18/2023] Open
Abstract
Colitis-associated colorectal cancer is the most serious complication of ulcerative colitis. Long-term chronic inflammation increases the incidence of CAC in UC patients. Compared with sporadic colorectal cancer, CAC means multiple lesions, worse pathological type and worse prognosis. Macrophage is a kind of innate immune cell, which play an important role both in inflammatory response and tumor immunity. Macrophages are polarized into two phenotypes under different conditions: M1 and M2. In UC, enhanced macrophage infiltration produces a large number of inflammatory cytokines, which promote tumorigenesis of UC. M1 polarization has an anti-tumor effect after CAC formation, whereas M2 polarization promotes tumor growth. M2 polarization plays a tumor-promoting role. Some drugs have been shown to that prevent and treat CAC effectively by targeting macrophages.
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Vaghari-Tabari M, Targhazeh N, Moein S, Qujeq D, Alemi F, Majidina M, Younesi S, Asemi Z, Yousefi B. From inflammatory bowel disease to colorectal cancer: what's the role of miRNAs? Cancer Cell Int 2022; 22:146. [PMID: 35410210 PMCID: PMC8996392 DOI: 10.1186/s12935-022-02557-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 03/21/2022] [Indexed: 12/27/2022] Open
Abstract
Inflammatory Bowel Disease (IBD) is a chronic inflammatory disease with relapse and remission periods. Ulcerative colitis and Crohn's disease are two major forms of the disease. IBD imposes a lot of sufferings on the patient and has many consequences; however, the most important is the increased risk of colorectal cancer, especially in patients with Ulcerative colitis. This risk is increased with increasing the duration of disease, thus preventing the progression of IBD to cancer is very important. Therefore, it is necessary to know the details of events contributed to the progression of IBD to cancer. In recent years, the importance of miRNAs as small molecules with 20-22 nucleotides has been recognized in pathophysiology of many diseases, in which IBD and colorectal cancer have not been excluded. As a result, the effectiveness of these small molecules as therapeutic target is hopefully confirmed. This paper has reviewed the related studies and findings about the role of miRNAs in the course of events that promote the progression of IBD to colorectal carcinoma, as well as a review about the effectiveness of some of these miRNAs as therapeutic targets.
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Affiliation(s)
- Mostafa Vaghari-Tabari
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Clinical Biochemistry and Laboratory Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Niloufar Targhazeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soheila Moein
- Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Biochemistry, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Durdi Qujeq
- Cellular and Molecular Biology Research Center (CMBRC), Health Research Institute, Babol University of Medical Sciences, Babol, Iran.,Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Forough Alemi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Majidina
- Solid Tumor Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Simin Younesi
- Schoole of Health and Biomedical Sciences, RMIT University, Melborne, VIC, Australia
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran.
| | - Bahman Yousefi
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Entezari M, Sadrkhanloo M, Rashidi M, Asnaf SE, Taheriazam A, Hashemi M, Ashrafizadeh M, Zarrabi A, Rabiee N, Hushmandi K, Mirzaei S, Sethi G. Non-coding RNAs and macrophage interaction in tumor progression. Crit Rev Oncol Hematol 2022; 173:103680. [PMID: 35405273 DOI: 10.1016/j.critrevonc.2022.103680] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 03/25/2022] [Accepted: 04/06/2022] [Indexed: 12/12/2022] Open
Abstract
The macrophages are abundantly found in TME and their M2 polarization is in favor of tumor malignancy. On the other hand, non-coding RNAs (ncRNAs) can modulate macrophage polarization in TME to affect cancer progression. The miRNAs can dually induce/suppress M2 polarization of macrophages and by affecting various molecular pathways, they modulate tumor progression and therapy response. The lncRNAs can affect miRNAs via sponging and other molecular pathways to modulate macrophage polarization. A few experiments have also examined role of circRNAs in targeting signaling networks and affecting macrophages. The therapeutic targeting of these ncRNAs can mediate TME remodeling and affect macrophage polarization. Furthermore, exosomal ncRNAs derived from tumor cells or macrophages can modulate polarization and TME remodeling. Suppressing biogenesis and secretion of exosomes can inhibit ncRNA-mediated M2 polarization of macrophages and prevent tumor progression. The ncRNAs, especially exosomal ncRNAs can be considered as non-invasive biomarkers for tumor diagnosis.
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Affiliation(s)
- Maliheh Entezari
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Mohsen Rashidi
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Sholeh Etehad Asnaf
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Orthopedics, Faculty of medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mehrdad Hashemi
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, Istanbul, Turkey
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34396, Turkey
| | - Navid Rabiee
- School of Engineering, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of Epidemiology & Zoonoses, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
| | - Sepideh Mirzaei
- Department of Biology, Faculty of Science, Islamic Azad University, Science and Research Branch, Tehran, Iran.
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cancer Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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Hanieh H, Ibrahim HIM, Mohammed M, Alwassil OI, Abukhalil MH, Farhan M. Activation of aryl hydrocarbon receptor signaling by gallic acid suppresses progression of human breast cancer in vitro and in vivo. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 96:153817. [PMID: 34782204 DOI: 10.1016/j.phymed.2021.153817] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 10/11/2021] [Accepted: 10/17/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Despite the significant advances in diagnosis and treatment, breast cancer remains the most common malignancy and the second cause of death in women. Increasingly, preclinical evidence has suggested aryl hydrocarbon receptor (Ahr), a ligand activated transcription factor, a promising therapeutic target in breast cancer. PURPOSE This study aims at screening a number of phenolic compounds to identify an Ahr ligand with suppressive effects on human breast cancer. METHODS Potential interactions between Ahr and phenolic compounds were predicted in silico, and physical interaction was examined by ligand competitive binding in vitro. The MDA-MB-231 and T47D breast cancer cell lines were used to examine the expression of Ahr downstream genes and progression of breast cancer cells in vitro. Binding of Ahr/Ahr nuclear transporter (Arnt) complex to the xenobiotic-responsive element (XRE)-box was examined by DNA-protein interaction (DPI)-ELISA, promoter activity was assessed using luciferase reporter system, and RNA interreference was carried out using electroporation. The real-time PCR and/or immunoblotting were used to quantify gene expressions. Tumor growth in vivo was assessed using a murine orthotopic model. RESULTS A combined computational modeling and in vitro approaches identified gallic acid (GA) as an Ahr ligand with agonistic properties. It induced binding of Ahr/Arnt to the XRE-box, enhanced the promoter activity and expression of Ahr downstream genes including cytochrome P450 1A1 (CYP1A1), and SRY-related HMG-box4 (SOX4)-targeting miR-212/132 cluster and miR-335 in both MDA-MB-231 and T47D cells. GA increased apoptosis while decreased proliferation, migration and invasion capacities of breast cancer cells in an Ahr-dependent fashion. Furthermore, it reduced the levels of B-cell lymphoma 2 (BCL-2), cyclooxygenase-2 (COX-2) and SOX4, while selectively increased that of tumor protein 53 (P53), in an Ahr-dependent and -independent fashions. In an in vivo orthotopic model, GA activated Ahr signaling and reduced the growth of breast cancer cells. CONCLUSION We identified GA as an Ahr phenolic ligand, and provided evidence on the role of Ahr in mediating its anti-breast cancer effects, indicating that GA, and possibly other phenolic compounds, have important therapeutic implications in human breast cancer through activation of Ahr signaling.
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Affiliation(s)
- Hamza Hanieh
- Department of Medical Analysis, Department of Biological Sciences, Al-Hussein Bin Talal University, Ma'an 71111, Jordan; International Medical Research Center (iMReC), Aqaba 77110, Jordan.
| | - Hairul-Islam M Ibrahim
- Biological Sciences Department, College of Science, King Faisal University, Hofuf 31982, Saudi Arabia
| | - Maged Mohammed
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Hofuf 31982, Saudi Arabia; Department of Pharmacognosy, College of Pharmacy, Zagazig University, Zagazig 44111, Egypt
| | - Osama I Alwassil
- Department of Pharmaceutical Sciences, College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh 11451, Saudi Arabia
| | - Mohammad H Abukhalil
- Department of Medical Analysis, Department of Biological Sciences, Al-Hussein Bin Talal University, Ma'an 71111, Jordan; International Medical Research Center (iMReC), Aqaba 77110, Jordan
| | - Mahdi Farhan
- International Medical Research Center (iMReC), Aqaba 77110, Jordan; Department of Drug Development, UniTechPharma, Fribourg 1700, Switzerland
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Cannon AS, Nagarkatti PS, Nagarkatti M. Targeting AhR as a Novel Therapeutic Modality against Inflammatory Diseases. Int J Mol Sci 2021; 23:288. [PMID: 35008717 PMCID: PMC8745713 DOI: 10.3390/ijms23010288] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/24/2021] [Accepted: 12/25/2021] [Indexed: 12/12/2022] Open
Abstract
For decades, activation of Aryl Hydrocarbon Receptor (AhR) was excluded from consideration as a therapeutic approach due to the potential toxic effects of AhR ligands and the induction of the cytochrome P450 enzyme, Cyp1a1, following AhR activation. However, it is now understood that AhR activation not only serves as an environmental sensor that regulates the effects of environmental toxins, but also as a key immunomodulator where ligands induce a variety of cellular and epigenetic mechanisms to attenuate inflammation. Thus, the emergence of further in-depth research into diverse groups of compounds capable of activating this receptor has prompted reconsideration of its use therapeutically. The aim of this review is to summarize the body of research surrounding AhR and its role in regulating inflammation. Specifically, evidence supporting the potential of targeting this receptor to modulate the immune response in inflammatory and autoimmune diseases will be highlighted. Additionally, the opportunities and challenges of developing AhR-based therapies to suppress inflammation will be discussed.
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Affiliation(s)
| | | | - Mitzi Nagarkatti
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (A.S.C.); (P.S.N.)
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Disner GR, Lopes-Ferreira M, Lima C. Where the Aryl Hydrocarbon Receptor Meets the microRNAs: Literature Review of the Last 10 Years. Front Mol Biosci 2021; 8:725044. [PMID: 34746229 PMCID: PMC8566438 DOI: 10.3389/fmolb.2021.725044] [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: 06/14/2021] [Accepted: 09/14/2021] [Indexed: 12/18/2022] Open
Abstract
The aryl hydrocarbon receptor (AhR) is an environmentally responsive ligand-activated transcription factor, identified in the ‘70s for its toxic responses to halogenated polycyclic aromatic hydrocarbons, such as dioxin. Recently, AhR has been recognized as engaged in multiple physiological processes in health and diseases, particularly in the immune system, inflammatory response, tumorigenesis, and cellular differentiation by epigenetic mechanisms involving miRNAs. However, there is still scarce information about AhR-dependent miRNA regulation and miRNA-mediated epigenetic control in pathologies and therapies. In this review, we explore the mutual regulation of AhR and miRNA over the last decade of studies since many miRNAs have dioxin response elements (DRE) in their 3’ UTR, as well as AhR might contain binding sites of miRNAs. TCDD is the most used ligand to investigate the impact of AhR activation, and the immune system is one of the most sensitive of its targets. An association between TCDD-activated AhR and epigenetic mechanisms like post-transcriptional regulation by miRNAs, DNA methylation, or histone modification has already been confirmed. Besides, several studies have shown that AhR-induced miR-212/132 cluster suppresses cancers, attenuates autoimmune diseases, and has an anti-inflammatory role in different immune responses by regulating cytokine levels and immune cells. Together the ever-expanding new AhR roles and the miRNA therapeutics are a prominent segment among biopharmaceuticals. Additionally, AhR-activated miRNAs can serve as valuable biomarkers of diseases, notably cancer progression or suppression and chemical exposure. Once AhR-dependent gene expression may hinge on the ligand, cell type, and context singularity, the reviewed outcomes might help contextualize state of the art and support new trends and emerging opportunities in the field.
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Affiliation(s)
- Geonildo Rodrigo Disner
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICS/FAPESP), Butantan Institute, São Paulo, Brazil
| | - Monica Lopes-Ferreira
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICS/FAPESP), Butantan Institute, São Paulo, Brazil
| | - Carla Lima
- Immunoregulation Unit of the Laboratory of Applied Toxinology (CeTICS/FAPESP), Butantan Institute, São Paulo, Brazil
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Expression profiles of miR-196, miR-132, miR-146a, and miR-134 in human colorectal cancer tissues in accordance with their clinical significance : Comparison regarding KRAS mutation. Wien Klin Wochenschr 2021; 133:1162-1170. [PMID: 34463887 DOI: 10.1007/s00508-021-01933-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 07/25/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Colorectal cancer (CRC) is among the most widespread malignancies in the world. MicroRNA (miRNA) has been identified as an important modulator of the biological processes of the cells. This group of noncoding RNAs also has a pivotal function in the growth and development of human cancers, including CRC. Among these miRNAs, miR-196, miR-132, miR-146a, and miR-134 have fundamental impacts on the regulation of cancers. The current study aimed to investigate the involvement of these miRNAs in CRC patients. METHODS In this study, 50 pairs of tumor and tumor margin samples of CRC patients were investigated to assess the expression levels of miR-196, miR-132, miR-146a, and miR-134 in this cancer. For this purpose, firstly, quantitative real-time PCR (qRT-PCR) was applied. Also, KRAS mutation and clinicopathological characteristics of the CRC patients were analyzed in the study groups. RESULTS The findings demonstrated the overexpression of miR-196 (P-value = 0.0045) and miR-146a (P-value = 0.0033) in tumor tissues compared to controls. Conversely, the expression levels of miR-132 (P-value = 0.00032) and miR-134 (P-value < 0.0001) were downregulated in tumor tissues. Also, miR-146a was the only miRNA with significant expression change in the case of the KRAS gene mutation. Interestingly, the expression ratio of these miRNAs was significantly associated with some of the clinicopathological features of the patients, such as lymph node and distant metastases. CONCLUSION Our data demonstrated that these miRNAs appear to be promising novel biomarkers for early diagnosis of CRC and may pave the way for the future establishment of novel therapeutic options for CRC.
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Stojanovic T, Benes H, Awad A, Bormann D, Monje FJ. Nicotine abolishes memory-related synaptic strengthening and promotes synaptic depression in the neurogenic dentate gyrus of miR-132/212 knockout mice. Addict Biol 2021; 26:e12905. [PMID: 32293776 PMCID: PMC7988623 DOI: 10.1111/adb.12905] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/21/2020] [Accepted: 03/30/2020] [Indexed: 12/25/2022]
Abstract
Micro-RNAs (miRNAs) are highly evolutionarily conserved short-length/noncoding RNA molecules that modulate a wide range of cellular functions in many cell types by regulating the expression of a variety of targeted genes. miRNAs have also recently emerged as key regulators of neuronal genes mediating the effects of psychostimulant drugs and memory-related neuroplasticity processes. Smoking is a predominant addictive behaviour associated with millions of deaths worldwide, and nicotine is a potent natural psychoactive agonist of cholinergic receptors, highly abundant in cigarettes. The influence of miRNAs modulation on cholinergic signalling in the nervous system remains however poorly explored. Using miRNA knockout mice and biochemical, electrophysiological and pharmacological approaches, we examined the effects of miR-132/212 gene disruption on the levels of hippocampal nicotinic acetylcholine receptors, total ERK and phosphorylated ERK (pERK) and MeCP2 protein levels, and studied the impact of nicotine stimulation on hippocampal synaptic transmission and synaptic depression and strengthening. miR-132/212 deletion significantly altered α7-nAChR and pERK protein levels, but not total ERK or MeCP2, and resulted in both exacerbated synaptic depression and virtually abolished memory-related synaptic strengthening upon nicotine stimulation. These observations reveal a functional miRNAs/nicotinergic signalling interplay critical for nicotinic-receptor expression and neuroplasticity in brain structures relevant for drug addiction and learning and memory functions.
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Affiliation(s)
- Tamara Stojanovic
- Center for Physiology and Pharmacology, Department of Neurophysiology and NeuropharmacologyMedical University of ViennaViennaAustria
| | - Hannah Benes
- Center for Physiology and Pharmacology, Department of Neurophysiology and NeuropharmacologyMedical University of ViennaViennaAustria
| | - Amena Awad
- Center for Physiology and Pharmacology, Department of Neurophysiology and NeuropharmacologyMedical University of ViennaViennaAustria
| | - Daniel Bormann
- Center for Physiology and Pharmacology, Department of Neurophysiology and NeuropharmacologyMedical University of ViennaViennaAustria
| | - Francisco J. Monje
- Center for Physiology and Pharmacology, Department of Neurophysiology and NeuropharmacologyMedical University of ViennaViennaAustria
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13
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Abdulla OA, Neamah W, Sultan M, Chatterjee S, Singh N, Nagarkatti M, Nagarkatti P. AhR Ligands Differentially Regulate miRNA-132 Which Targets HMGB1 and to Control the Differentiation of Tregs and Th-17 Cells During Delayed-Type Hypersensitivity Response. Front Immunol 2021; 12:635903. [PMID: 33679792 PMCID: PMC7933657 DOI: 10.3389/fimmu.2021.635903] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/28/2021] [Indexed: 12/20/2022] Open
Abstract
Aryl hydrocarbon receptor (AhR), is a transcription factor and an environmental sensor that has been shown to regulate T cell differentiation. Interestingly, AhR ligands exert varying effects from suppression to exacerbation of inflammation through induction of Tregs and Th-17 cells, respectively. In the current study, we investigated whether the differential effects of AhR ligands on T cell differentiation are mediated by miRNA during delayed-type hypersensitivity (DTH) reaction against methylated Bovine Serum Albumin (mBSA). Treatment of C57BL/6 mice with TCDD attenuated mBSA-mediated DTH response, induced Tregs, decreased Th-17 cells, and caused upregulation of miRNA-132. TCDD caused an increase in several Treg subsets including inducible peripheral, natural thymic, and Th3 cells. Also, TCDD increased TGF-β and Foxp3 expression. In contrast, treating mice with FICZ exacerbated the DTH response, induced inflammatory Th17 cells, induced IL-17, and RORγ. Analysis of miRNA profiles from draining lymph nodes showed that miR-132 was upregulated in the TCDD group and downregulated in the FICZ group. Transfection studies revealed that miRNA-132 targeted High Mobility Group Box 1 (HMGB1). Downregulation of HMGB1 caused an increase in FoxP3+ Treg differentiation and suppression of Th-17 cells while upregulation of HMGB1 caused opposite effects. Moreover, TCDD was less effective in suppressing DTH response and induction of Tregs in mice that were deficient in miR-132. In summary, this study demonstrates that TCDD and FICZ have divergent effects on DTH response and T cell differentiation, which is mediated through, at least in part, regulation of miRNA-132 that targets HMGB1.
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MESH Headings
- Animals
- Basic Helix-Loop-Helix Transcription Factors/agonists
- Basic Helix-Loop-Helix Transcription Factors/metabolism
- Carbazoles/toxicity
- Cell Differentiation/drug effects
- Cells, Cultured
- Cytokines/genetics
- Cytokines/metabolism
- Disease Models, Animal
- Female
- Forkhead Transcription Factors/genetics
- Forkhead Transcription Factors/metabolism
- HMGB1 Protein/genetics
- HMGB1 Protein/metabolism
- Hypersensitivity, Delayed/genetics
- Hypersensitivity, Delayed/immunology
- Hypersensitivity, Delayed/metabolism
- Hypersensitivity, Delayed/prevention & control
- Ligands
- Mice, Inbred C57BL
- Mice, Knockout
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Phenotype
- Polychlorinated Dibenzodioxins/toxicity
- Receptors, Aryl Hydrocarbon/agonists
- Receptors, Aryl Hydrocarbon/metabolism
- T-Lymphocytes, Regulatory/drug effects
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/metabolism
- Th17 Cells/drug effects
- Th17 Cells/immunology
- Th17 Cells/metabolism
- Mice
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Affiliation(s)
- Osama A. Abdulla
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Wurood Neamah
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Muthanna Sultan
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Saurabh Chatterjee
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States
| | - Narendra Singh
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Mitzi Nagarkatti
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Prakash Nagarkatti
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
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14
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Differential modulation of Ahr and Arid5a: A promising therapeutic strategy for autoimmune encephalomyelitis. Saudi Pharm J 2021; 28:1605-1615. [PMID: 33424253 PMCID: PMC7783111 DOI: 10.1016/j.jsps.2020.10.007] [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: 08/09/2020] [Accepted: 10/18/2020] [Indexed: 01/23/2023] Open
Abstract
Multiple sclerosis (MS) is an autoimmune disease that involves demyelination of axons in the central nervous system (CNS) and affects patients worldwide. It has been demonstrated that ligand-activated aryl hydrocarbon receptor (Ahr) ameliorates experimental autoimmune encephalomyelitis (EAE), a murine model of MS, by increasing CD4+FoxP3+ T cells. Recent evidence indicates that AT-rich interactive domain-containing protein 5a (Arid5a) is required for EAE pathogenesis by stabilizing Il6 and OX40 mRNAs. However, the differential modulation of Ahr and Arid5a in autoimmunity as a therapeutic strategy is unexplored. Herein, an in silico, in vitro and in vivo approach identified Flavipin (3,4,5-trihydroxy-6-methylphthalaldehyde) as an Ahr agonist that induces the expression of Ahr downstream genes in mouse CD4+ T cells and CD11b+ macrophages. Interestingly, Flavipin inhibited the stabilizing function of Arid5a and its counteracting effects on Regnase-1 on the 3′ untranslated region (3′UTR) of target mRNAs. Furthermore, it inhibited the stabilizing function of Arid5a on Il23a 3′UTR, a newly identified target mRNA. In EAE, Flavipin ameliorated disease severity, with reduced CD4+IL-17+ T cells, IL-6 and TNF-α and increased CD4+FoxP3+ T cells. Moreover, EAE amelioration was concomitant with reduced CD4+OX40+ and CD4+CD45+ T cells in the CNS. RNA interference showed that the modulatory effects of Flavipin on pro- and anti-inflammatory mediators in CD4+ T cells and macrophages were Ahr- and/or Arid5a-dependent. In conclusion, our findings reveal differential modulation of Ahr and Arid5a as a new therapeutic strategy for MS.
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Key Words
- 3′UTR, 3′ untranslated region
- ActinD, actinomycin D
- Ahr
- Ahr, aryl hydrocarbon receptor
- Arid5a
- Arid5a, AT-rich interactive domain-containing protein 5a
- Arnt, Ahr nuclear translocator
- Autoimmunity
- CFA, complete Freund's adjuvant
- CNS, central nervous system
- EAE, experimental autoimmune encephalomyelitis
- Inflammation
- LPS, lipopolysaccharide
- MOG35-55, myelin oligodendrocyte glycoprotein
- MS, multiple sclerosis
- Multiple sclerosis
- PAS-A and PAS-B, Per-Arnt-Sim domain
- RBP, RNA-binding protein
- RIP, RNA immunoprecipitation
- SPF, specific pathogen-free
- Therapeutic
- miR, microRNA
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15
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Laiakis EC, McCart EA, Deziel A, Rittase WB, Bouten RM, Jha J, Wilkins WL, Day RM, Fornace AJ. Effect of 3,3'-Diindolylmethane on Pulmonary Injury Following Thoracic Irradiation in CBA Mice. HEALTH PHYSICS 2020; 119:746-757. [PMID: 32384373 PMCID: PMC8579862 DOI: 10.1097/hp.0000000000001257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The molecule 3,3'-diindolylmethane (DIM) is small, a major bioactive metabolite of indole-3 carbinol (13C), and a phytochemical compound from cruciferous vegetables released upon exposure to the gut acid environment. DIM is a proposed anti-cancer agent and was previously demonstrated to prevent radiation damage in the bone marrow and the gastrointestinal tract. Here we investigated the effect of DIM on radiation-induced injury to the lung in a murine model through untargeted metabolomics and gene expression studies of select genes. CBA mice were exposed to thoracic irradiation (17.5 Gy). Mice were treated with vehicle or DIM (250 mg kg, subcutaneous injection) on days -1 pre-irradiation through +14 post-irradiation. DIM induced a significant improvement in survival by day 150 post-irradiation. Fibrosis-related gene expression and metabolomics were examined using lung tissue from days 15, 45, 60, 90, and 120 post-irradiation. Our qRT-PCR experiments showed that DIM treatment reduced radiation-induced late expression of collagen Iα and the cell cycle checkpoint proteins p21/waf1 (CDKN1A) and p16ink (CDKN2A). Metabolomic studies of lung tissue demonstrated a significant dampening of radiation-induced changes following DIM treatment. Metabolites associated with pro-inflammatory responses and increased oxidative stress, such as fatty acids, were suppressed by DIM treatment compared to irradiated samples. Together these data suggest that DIM reduces radiation-induced sequelae in the lung.
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Affiliation(s)
- Evagelia C. Laiakis
- Department of Oncology, Georgetown University, Washington, DC 20057, USA
- Department of Biochemistry and Molecular & Cellular Oncology, Georgetown University, Washington, DC 20057, USA
| | - Elizabeth A. McCart
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Annabella Deziel
- Department of Oncology, Georgetown University, Washington, DC 20057, USA
| | - W. Bradley Rittase
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Roxane M. Bouten
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Jyoti Jha
- Current address: Rise Therapeutics, Rockville, MD 20850, USA
| | - W. Louis Wilkins
- Division of Comparative Pathology, the Armed Forces Radiobiology Research Institute/Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Regina M. Day
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Albert J. Fornace
- Department of Oncology, Georgetown University, Washington, DC 20057, USA
- Department of Biochemistry and Molecular & Cellular Oncology, Georgetown University, Washington, DC 20057, USA
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16
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Wajda A, Łapczuk-Romańska J, Paradowska-Gorycka A. Epigenetic Regulations of AhR in the Aspect of Immunomodulation. Int J Mol Sci 2020; 21:E6404. [PMID: 32899152 PMCID: PMC7504141 DOI: 10.3390/ijms21176404] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 02/07/2023] Open
Abstract
Environmental factors contribute to autoimmune disease manifestation, and as regarded today, AhR has become an important factor in studies of immunomodulation. Besides immunological aspects, AhR also plays a role in pharmacological, toxicological and many other physiological processes such as adaptive metabolism. In recent years, epigenetic mechanisms have provided new insight into gene regulation and reveal a new contribution to autoimmune disease pathogenesis. DNA methylation, histone modifications, chromatin alterations, microRNA and consequently non-genetic changes in phenotypes connect with environmental factors. Increasing data reveals AhR cross-roads with the most significant in immunology pathways. Although study on epigenetic modulations in autoimmune diseases is still not well understood, therefore future research will help us understand their pathophysiology and help to find new therapeutic strategies. Present literature review sheds the light on the common ground between remodeling chromatin compounds and autoimmune antibodies used in diagnostics. In the proposed review we summarize recent findings that describe epigenetic factors which regulate AhR activity and impact diverse immunological responses and pathological changes.
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Affiliation(s)
- Anna Wajda
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland;
| | - Joanna Łapczuk-Romańska
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University, 70-111 Szczecin, Poland;
| | - Agnieszka Paradowska-Gorycka
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland;
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17
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Mohamed ME, Elsayed SA, Madkor HR, Eldien HMS, Mohafez OM. Yarrow oil ameliorates ulcerative colitis in mice model via regulating the NF-κB and PPAR-γ pathways. Intest Res 2020; 19:194-205. [PMID: 32819032 PMCID: PMC8100379 DOI: 10.5217/ir.2020.00021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 05/22/2020] [Indexed: 12/21/2022] Open
Abstract
Background/Aims Ulcerative colitis (UC) is a chronic inflammatory disorder with indefinite etiology; however, environmental, genetic, immune factors and microbial agents could be implicated in its pathogenesis. UC treatment is lifelong, therefore; the potential side effects and cost of the therapy are significant. Yarrow is a promising medicinal plant with the ability to treat many disorders, owing to its bioactive compounds especially the essential oil. The main aim of this research was to investigate the therapeutic effect of the yarrow oil on colitis including the involved mechanism of action. Methods In 21-female C57BL/6 mice were divided into 3 groups; control group, colitis model group, and oil-treated group. Groups 2 and 3 received 5% dextran sulfate sodium (DSS) in drinking water for 9 days, and concomitantly, only group 3 was given 100 mg/kg yarrow oil. Mice were examined for their body weight, stool consistency and bleeding, and the disease activity indexes were calculated. Results Oral administration of yarrow oil markedly repressed the severity of UC via the reduction of the inflammatory signs and restoring colon length. The oil was able to down-regulate nuclear factor kappa light chain enhancer of activated B cells (NF-κB), up-regulate peroxisome proliferator-activated receptor gamma (PPAR-γ), and enhance transforming growth factor-β expression. The oil normalized the tumor necrosis factor-α expression, restored the normal serum level of interleukin-10 (IL-10) and reduced the serum level of IL-6. Conclusions Yarrow oil mitigated UC symptoms and regulated the inflammatory cytokines secretion via regulation of NF-κB and PPAR-γ pathways in the mice model, however, this recommendation requires further investigations using clinical studies to confirm the use of the oil on humans.
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Affiliation(s)
- Maged E Mohamed
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Kingdom of Saudi Arabia.,Department of Pharmacognosy, College of Pharmacy, University of Zagazig, Zagazig, Egypt
| | - Sahar A Elsayed
- Department of Rheumatology and Rehabilitation, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Hafez R Madkor
- Department of Biochemistry, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | - Heba M Saad Eldien
- Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Omar M Mohafez
- Department of Biochemistry, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
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18
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Does NLRP3 Inflammasome and Aryl Hydrocarbon Receptor Play an Interlinked Role in Bowel Inflammation and Colitis-Associated Colorectal Cancer? Molecules 2020; 25:molecules25102427. [PMID: 32456012 PMCID: PMC7287590 DOI: 10.3390/molecules25102427] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/17/2020] [Accepted: 05/21/2020] [Indexed: 12/22/2022] Open
Abstract
Inflammation is a hallmark in many forms of cancer; with colitis-associated colorectal cancer (CAC) being a progressive intestinal inflammation due to inflammatory bowel disease (IBD). While this is an exemplification of the negatives of inflammation, it is just as crucial to have some degree of the inflammatory process to maintain a healthy immune system. A pivotal component in the maintenance of such intestinal homeostasis is the innate immunity component, inflammasomes. Inflammasomes are large, cytosolic protein complexes formed following stimulation of microbial and stress signals that lead to the expression of pro-inflammatory cytokines. The NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasome has been extensively studied in part due to its strong association with colitis and CAC. The aryl hydrocarbon receptor (AhR) has recently been acknowledged for its connection to the immune system aside from its role as an environmental sensor. AhR has been described to play a role in the inhibition of the NLRP3 inflammasome activation pathway. This review will summarise the signalling pathways of both the NLRP3 inflammasome and AhR; as well as new-found links between these two signalling pathways in intestinal immunity and some potential therapeutic agents that have been found to take advantage of this link in the treatment of colitis and CAC.
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19
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Shen M, Meng L. Peripheral blood miR-372 as a biomarker for ulcerative colitis via direct targeting of NLRP12. Exp Ther Med 2019; 18:1486-1492. [PMID: 31363381 DOI: 10.3892/etm.2019.7707] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 09/28/2018] [Indexed: 12/15/2022] Open
Abstract
The present study aimed to investigate the expression pattern and underlying mechanism of microRNA-372 (miR-372) in the progression of ulcerative colitis (UC). Reverse transcription-quantitative polymerase chain reaction was used to measure miR-372 expression levels in the blood and colonic mucosa tissue samples from patients with UC. The present study demonstrated that levels of miR-372 were significantly increased in the blood and colonic mucosa tissue samples from patients with UC compared with healthy controls. Furthermore, the level of serum miR-372 was positively correlated with the level of serum c-reactive protein. Receiver operating characteristic analysis indicated that levels of miR-372 detected in serum and tissue samples could be used to screen for patients with UC from healthy controls. These results indicated a potential role of miR-372 as a diagnostic marker and therapeutic target for patients with UC. Furthermore, a conserved miR-372 binding site in the 3'untranslated region of the NLR family pyrin domain containing 12 (NLRP12) was identified. Dual luciferase assay demonstrated that overexpression of miR-372 significantly reduced the relative luciferase activity of pmirGLO-NLRP12-3'UTR compared with control pmirGLO. In addition, western blot analysis indicated that overexpression of miR-372 significantly decreased the protein expression level of NLRP12. Therefore it was hypothesized that miR-372 may promote the progression of UC by suppressing NLRP12 protein expression and thereby inducing the excessive production of inflammatory cytokines. In conclusion, high levels of miR-372 detected in peripheral blood samples may serve a role as a potential biomarker to screen potential patients with UC from healthy controls.
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Affiliation(s)
- Mengdie Shen
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Li'Na Meng
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
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20
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Vorontsova JE, Cherezov RO, Kuzin BA, Simonova OB. Aryl-Hydrocarbon Receptor as a Potential Target for Anticancer Therapy. BIOCHEMISTRY (MOSCOW), SUPPLEMENT SERIES B: BIOMEDICAL CHEMISTRY 2019. [DOI: 10.1134/s1990750819010116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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21
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Abdullah A, Maged M, Hairul-Islam M. I, Osama I. A, Maha H, Manal A, Hamza H. Activation of aryl hydrocarbon receptor signaling by a novel agonist ameliorates autoimmune encephalomyelitis. PLoS One 2019; 14:e0215981. [PMID: 31026283 PMCID: PMC6485712 DOI: 10.1371/journal.pone.0215981] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 04/11/2019] [Indexed: 12/27/2022] Open
Abstract
Background Multiple sclerosis (MS) is a widespread neurological autoimmune disease that includes episodes of demyelination in the central nervous system (CNS). The accumulated evidence has suggested that aryl hydrocarbon receptor (Ahr), a ligand-activated transcription factor, is a promising treatment target for MS. Thus, the current study aimed to identify a novel Ahr ligand with anti-inflammatory potential in experimental autoimmune encephalomyelitis (EAE). Methods An in silico analysis was carried out to predict interactions between Ahr and potential natural ligands. The effects of a predicted interaction were examined in vitro using CD4+ T cells under T helper17 (Th17) cell-polarizing conditions and lipopolysaccharide (LPS)-stimulated macrophages. Silencing Ahr and microRNA (miR)-132 was achieved by electroporation. Myelin oligodendrocyte glycoprotein (MOG)35-55 and the adoptive transfer of encephalitogenic CD4+ T cells were used to induce EAE. Results Molecular docking analysis and in vitro data identified gallic acid (GA) as a novel Ahr ligand with potent activation potential. GA induced the expression of Ahr downstream genes, including cytochrome P450 family 1 subfamily A member 1 (Cyp1a1) and the miR-212/132 cluster, and promoted the formation of the Ahr/Ahr nuclear translocator (Arnt) complex. In vivo, GA-treated mice were resistant to EAE and exhibited reduced levels of proinflammatory cytokines and increased levels of transforming growth factor-β (TGF-β). Furthermore, GA reduced infiltration of CD4+CD45+ T cells and monocytes into the CNS. The anti-inflammatory effects of GA were concomitant with miR-132-potentiated cholinergic anti-inflammation and the regulation of the pathogenic potential of astrocytes and microglia. Inducing EAE by adoptive transfer revealed that CD4+ T cells were not entirely responsible for the ameliorative effects of GA. Conclusion Our findings identify GA as a novel Ahr ligand and provide molecular mechanisms elucidating the ameliorative effects of GA on EAE, suggesting that GA is a potential therapeutic agent to control inflammation in autoimmune diseases such as MS.
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MESH Headings
- Animals
- Astrocytes/pathology
- CD4-Positive T-Lymphocytes/immunology
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- Encephalomyelitis, Autoimmune, Experimental/genetics
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Female
- Gallic Acid/pharmacology
- Gallic Acid/therapeutic use
- Gene Expression Regulation/drug effects
- Humans
- Ligands
- Mice, Inbred C57BL
- MicroRNAs/genetics
- MicroRNAs/metabolism
- Microglia/pathology
- Protein Domains
- Receptors, Aryl Hydrocarbon/agonists
- Receptors, Aryl Hydrocarbon/chemistry
- Receptors, Aryl Hydrocarbon/metabolism
- Signal Transduction
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Affiliation(s)
- Alzahrani Abdullah
- Biological Sciences Department, College of Science, King Faisal University, Hofuf, Saudi Arabia
| | - Mohammed Maged
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Hofuf, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, University of Zagazig, Zagazig, Egypt
| | - Ibrahim Hairul-Islam M.
- Biological Sciences Department, College of Science, King Faisal University, Hofuf, Saudi Arabia
| | - Alwassil Osama I.
- Department of Pharmaceutical Sciences, College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Habash Maha
- College of Pharmacy, Aqaba University of Technology, Aqaba, Jordan
| | - Alfuwaires Manal
- Biological Sciences Department, College of Science, King Faisal University, Hofuf, Saudi Arabia
| | - Hanieh Hamza
- Biological Sciences Department, College of Science, King Faisal University, Hofuf, Saudi Arabia
- Department of Biological Sciences, College of Science, Al-Hussein Bin Talal University, Ma’an, Jordan
- Department of Medical Analysis, Aisha Bint Al-Hussein College for Nursing and Health Sciences, Al-Hussein Bin Talal University, Ma’an, Jordan
- * E-mail:
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22
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Deng S, Wang A, Chen X, Du Q, Wu Y, Chen G, Guo W, Li Y. HBD Inhibits the Development of Colitis-Associated Cancer in Mice via the IL-6R/STAT3 Signaling Pathway. Int J Mol Sci 2019; 20:ijms20051069. [PMID: 30832202 PMCID: PMC6429321 DOI: 10.3390/ijms20051069] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 02/21/2019] [Accepted: 02/25/2019] [Indexed: 01/30/2023] Open
Abstract
Colitis-associated cancer (CAC) is a malignant disease of the colon that is caused by recurrent episodes of chronic intestinal inflammation. Huangqi Baizhu decoction (HBD) is a classic prescription comprised of Radix Astragali and Rhizoma Atractylodis, which are usually used to treat digestive conditions, such as peptic ulcers, colitis, or colorectal carcinoma in clinics. HBD is well known for “tonifying qi and spleen” based on the theories of traditional Chinese medicine, and has the preponderant effect of alleviating chronic intestinal mucosa damage associated with disease. However, the underlying mechanism behind this is still unknown. In the current study, we employed the AOM/DSS mouse model to analyze the effects of HBD on the development of inflammation in colonic carcinoma. The in vivo study showed that HBD could significantly reduce the mortality of mice and control the incidence and size of colonic tumors by inhibiting the IL-6/STAT3 signaling pathway. In vitro, Astragaloside and Atractylenolide (CAA), the main components of HBD, inhibited the proliferation of HCT-116 cells as determined by an MTT assay. Furthermore, CAA notably suppressed the protein expression of IL-6R, STAT3, Survivin, and Cyclin D1 induced by IL-6 in HCT-116 and RAW264.7 cells. These results suggested that HBD exhibits anti-inflammatory and anti-proliferative effects, inhibiting the development of CAC in mice.
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Affiliation(s)
- Song Deng
- Pi-Wei Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
| | - Aiping Wang
- Pi-Wei Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
| | - Xi Chen
- Pi-Wei Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
| | - Qun Du
- Pi-Wei Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
| | - Yanli Wu
- Pi-Wei Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
| | - Gang Chen
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Wenfeng Guo
- Pi-Wei Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
| | - Yanwu Li
- Pi-Wei Institute, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
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23
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Vorontsova JE, Cherezov RO, Kuzin BA, Simonova OB. [Aryl-hydrocarbon receptor as a potential target for anticancer therapy]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2018; 64:397-415. [PMID: 30378556 DOI: 10.18097/pbmc20186405397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Aryl-hydrocarbon receptor (Aryl Hydrocarbon Receptor, AHR) is a ligand-dependent transcription factor, whose functions are related to xenobiotic detoxification, response to inflammation, and maintenance of tissue homeostasis. Recent investigations suggest that AHR also plays an important role in the processes of carcinogenesis. Increased expression of AHR is observed in several types of tumors and tumor cell lines. In addition, it turned out that the composition of pharmaceutical drugs used in oncotherapy includes some ligands AHR. These facts allow us to consider an aryl-hydrocarbon receptor as a potential target for anticancer therapy, especially for the treatment of severe cancers whose treatment options are very limited or do not exist at all. In this review the examples of AHR ligands' effect on tumor cell cultures and on model mice lines with AHR-dependent response are discussed.
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Affiliation(s)
- J E Vorontsova
- Koltzov Institute of Developmental Biology of Russian Academy of Sciences, Moscow, Russia
| | - R O Cherezov
- Koltzov Institute of Developmental Biology of Russian Academy of Sciences, Moscow, Russia
| | - B A Kuzin
- Koltzov Institute of Developmental Biology of Russian Academy of Sciences, Moscow, Russia
| | - O B Simonova
- Koltzov Institute of Developmental Biology of Russian Academy of Sciences, Moscow, Russia
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24
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Liu X, Tong Z, Chen K, Hu X, Jin H, Hou M. The Role of miRNA-132 against Apoptosis and Oxidative Stress in Heart Failure. BIOMED RESEARCH INTERNATIONAL 2018; 2018:3452748. [PMID: 29682535 PMCID: PMC5845498 DOI: 10.1155/2018/3452748] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 01/17/2018] [Accepted: 01/24/2018] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To explore the effect of microRNA-132 of heart failure and provide theoretical guidance for clinical treatment of heart failure (HF). METHODS Peripheral blood was collected from HF patients. RT-qPCR was used to determine microRNA-132 expression. Mouse models of heart failure were established. Color Doppler ultrasound was utilized to measure the changes of cardiac function. HE and Masson staining were applied to observe pathological changes of the myocardium. After H9C2 cells were transfected with microRNA-132, MTT assay was employed to detect the stability of H9C2 cells. ELISA was used to measure the levels of oxidative stress factors. Western blot assay and RT-qPCR were utilized to determine the expression of Bax, Bcl-2, TGF-β1, and smad3. RESULTS MicroRNA-132 expression was downregulated in HF patients' blood. After establishing mouse models of HF, cardiac function obviously decreased. HE staining revealed the obvious edema and hypertrophy of cardiomyocytes. Masson staining demonstrated that cardiomyocytes were markedly fibrotic. After microRNA-132 transfection and H9C2 cell apoptosis induced by H2O2, antioxidant stress and antiapoptotic ability of the H9C2 cells obviously increased. TGF-β1 and smad3 expression remarkably diminished. CONCLUSION Overexpression of microRNA-132 dramatically increased the antioxidant stress and antiapoptotic ability of H9C2 cells and decreased the expression of TGF-β1 and smad3.
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Affiliation(s)
- Xuelei Liu
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Zhou Tong
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Keyan Chen
- China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province 110122, China
| | - Xiaofang Hu
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Hongxu Jin
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
| | - Mingxiao Hou
- General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning Province 110016, China
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