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Song P, Gao Z, Bao Y, Chen L, Huang Y, Liu Y, Dong Q, Wei X. Wnt/β-catenin signaling pathway in carcinogenesis and cancer therapy. J Hematol Oncol 2024; 17:46. [PMID: 38886806 PMCID: PMC11184729 DOI: 10.1186/s13045-024-01563-4] [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: 03/03/2024] [Accepted: 05/31/2024] [Indexed: 06/20/2024] Open
Abstract
The Wnt/β-catenin signaling pathway plays a crucial role in various physiological processes, encompassing development, tissue homeostasis, and cell proliferation. Under normal physiological conditions, the Wnt/β-catenin signaling pathway is meticulously regulated. However, aberrant activation of this pathway and downstream target genes can occur due to mutations in key components of the Wnt/β-catenin pathway, epigenetic modifications, and crosstalk with other signaling pathways. Consequently, these dysregulations contribute significantly to tumor initiation and progression. Therapies targeting the Wnt/β-catenin signaling transduction have exhibited promising prospects and potential for tumor treatment. An increasing number of medications targeting this pathway are continuously being developed and validated. This comprehensive review aims to summarize the latest advances in our understanding of the role played by the Wnt/β-catenin signaling pathway in carcinogenesis and targeted therapy, providing valuable insights into acknowledging current opportunities and challenges associated with targeting this signaling pathway in cancer research and treatment.
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Affiliation(s)
- Pan Song
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, Chengdu, Sichuan Province, 610041, China
| | - Zirui Gao
- Laboratory of Aging Research and Cancer Agent Target, State Key Laboratory of Biotherapy, Cancer Center, West China Hospital, National Clinical Research Center for Geriatrics, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, P.R. China
| | - Yige Bao
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, Chengdu, Sichuan Province, 610041, China
| | - Li Chen
- Laboratory of Aging Research and Cancer Agent Target, State Key Laboratory of Biotherapy, Cancer Center, West China Hospital, National Clinical Research Center for Geriatrics, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, P.R. China
| | - Yuhe Huang
- Laboratory of Aging Research and Cancer Agent Target, State Key Laboratory of Biotherapy, Cancer Center, West China Hospital, National Clinical Research Center for Geriatrics, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, P.R. China
| | - Yanyan Liu
- Laboratory of Aging Research and Cancer Agent Target, State Key Laboratory of Biotherapy, Cancer Center, West China Hospital, National Clinical Research Center for Geriatrics, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, P.R. China
| | - Qiang Dong
- Department of Urology, Institute of Urology, West China Hospital of Sichuan University, Chengdu, Sichuan Province, 610041, China.
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Agent Target, State Key Laboratory of Biotherapy, Cancer Center, West China Hospital, National Clinical Research Center for Geriatrics, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, P.R. China.
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Zhang XZ, Mo XC, Wang ZT, Sun R, Sun DQ. N-glycosylation of Wnt3 regulates the progression of hepatocellular carcinoma by affecting Wnt/β-catenin signal pathway. World J Gastrointest Oncol 2024; 16:2769-2780. [PMID: 38994173 PMCID: PMC11236237 DOI: 10.4251/wjgo.v16.i6.2769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/25/2024] [Accepted: 04/28/2024] [Indexed: 06/13/2024] Open
Abstract
BACKGROUND Wnt/FZD-mediated signaling pathways are activated in more than 90% of hepatocellular carcinoma (HCC) cell lines. As a well-known secretory glycoprotein, Wnt3 can interact with FZD receptors on the cell surface, thereby activating the Wnt/β-catenin signaling pathway. However, the N-glycosylation modification site of Wnt3 and the effect of this modification on the biological function of the protein are still unclear. AIM To investigate the effect of Wnt3 N-glycosylation on the biological function of HCC cells. METHODS Site-directed mutagenesis was used to verify the Wnt3 N-glycosylation sites, actinomycin D treatment was used to detect the stability of Wnt3 after site-directed mutation, the binding of the N-glycosylation site-directed mutant Wnt3 to FZD7 was observed by laser confocal microscopy, and the effects of the N-glycosylation site-directed mutation of Wnt3 on the Wnt/β-catenin signaling pathway and the progression of HCC cells were detected by western blot and cell function experiments. RESULTS Wnt3 has two N-glycosylation-modified sites (Asn90 and Asn301); when a single site at amino acid 301 is mutated, the stability of Wnt3 is weakened; the binding ability of Wnt3 to FZD7 decreases when both sites are mutated simultaneously; and the level of proteins related to the Wnt/β-catenin signaling pathway is downregulated. Cell proliferation, migration and invasion are also weakened in the case of single 301 site and double-site mutations. CONCLUSION These results indicate that by inhibiting the N-glycosylation of Wnt3, the proliferation, migration, invasion and colony formation abilities of liver cancer cells can be weakened, which might provide new therapeutic strategies for clinical liver cancer in the future.
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Affiliation(s)
- Xin-Zhan Zhang
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Xiao-Chuan Mo
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Zhu-Ting Wang
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Rong Sun
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
| | - Da-Quan Sun
- Department of Biochemistry and Molecular Biology & Research Center for Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, Guizhou Province, China
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3
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Tsukiyama T. New insights in ubiquitin-dependent Wnt receptor regulation in tumorigenesis. In Vitro Cell Dev Biol Anim 2024; 60:449-465. [PMID: 38383910 PMCID: PMC11126518 DOI: 10.1007/s11626-024-00855-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/17/2024] [Indexed: 02/23/2024]
Abstract
Wnt signaling plays a crucial role in embryonic development and homeostasis maintenance. Delicate and sensitive fine-tuning of Wnt signaling based on the proper timings and positions is required to balance cell proliferation and differentiation and maintain individual health. Therefore, homeostasis is broken by tissue hypoplasia or tumor formation once Wnt signal dysregulation disturbs the balance of cell proliferation. The well-known regulatory mechanism of Wnt signaling is the molecular reaction associated with the cytoplasmic accumulation of effector β-catenin. In addition to β-catenin, most Wnt effector proteins are also regulated by ubiquitin-dependent modification, both qualitatively and quantitatively. This review will explain the regulation of the whole Wnt signal in four regulatory phases, as well as the different ubiquitin ligases and the function of deubiquitinating enzymes in each phase. Along with the recent results, the mechanism by which RNF43 negatively regulates the surface expression of Wnt receptors, which has recently been well understood, will be detailed. Many RNF43 mutations have been identified in pancreatic and gastrointestinal cancers and examined for their functional alteration in Wnt signaling. Several mutations facilitate or activate the Wnt signal, reversing the RNF43 tumor suppressor function into an oncogene. RNF43 may simultaneously play different roles in classical multistep tumorigenesis, as both wild-type and mutant RNF43 suppress the p53 pathway. We hope that the knowledge obtained from further research in RNF43 will be applied to cancer treatment in the future despite the fully unclear function of RNF43.
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Affiliation(s)
- Tadasuke Tsukiyama
- Department of Biochemistry, Graduate School of Medicine, Hokkaido University, 15NW7, Kita-Ku, Sapporo, Hokkaido, 060-8638, Japan.
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Schulte G, Scharf MM, Bous J, Voss JH, Grätz L, Kozielewicz P. Frizzleds act as dynamic pharmacological entities. Trends Pharmacol Sci 2024; 45:419-429. [PMID: 38594145 DOI: 10.1016/j.tips.2024.03.003] [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: 02/24/2024] [Revised: 03/07/2024] [Accepted: 03/13/2024] [Indexed: 04/11/2024]
Abstract
The Frizzled family of transmembrane receptors (FZD1-10) belongs to the class F of G protein-coupled receptors (GPCRs). FZDs bind to and are activated by Wingless/Int1 (WNT) proteins. The WNT/FZD signaling system regulates crucial aspects of developmental biology and stem-cell regulation. Dysregulation of WNT/FZD communication can lead to developmental defects and diseases such as cancer and fibrosis. Recent insight into the activation mechanisms of FZDs has underlined that protein dynamics and conserved microswitches are essential for FZD-mediated information flow and build the basis for targeting these receptors pharmacologically. In this review, we summarize recent advances in our understanding of FZD activation, and how novel concepts merge and collide with existing dogmas in the field.
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Affiliation(s)
- Gunnar Schulte
- Section of Receptor Biology & Signaling, Dept. Physiology & Pharmacology, Karolinska Institutet, S-171 77 Stockholm, Sweden.
| | - Magdalena M Scharf
- Section of Receptor Biology & Signaling, Dept. Physiology & Pharmacology, Karolinska Institutet, S-171 77 Stockholm, Sweden
| | - Julien Bous
- Section of Receptor Biology & Signaling, Dept. Physiology & Pharmacology, Karolinska Institutet, S-171 77 Stockholm, Sweden
| | - Jan Hendrik Voss
- Section of Receptor Biology & Signaling, Dept. Physiology & Pharmacology, Karolinska Institutet, S-171 77 Stockholm, Sweden
| | - Lukas Grätz
- Section of Receptor Biology & Signaling, Dept. Physiology & Pharmacology, Karolinska Institutet, S-171 77 Stockholm, Sweden
| | - Pawel Kozielewicz
- Section of Receptor Biology & Signaling, Dept. Physiology & Pharmacology, Karolinska Institutet, S-171 77 Stockholm, Sweden
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5
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Chi C, Roland TJ, Song K. Differentiation of Pluripotent Stem Cells for Disease Modeling: Learning from Heart Development. Pharmaceuticals (Basel) 2024; 17:337. [PMID: 38543122 PMCID: PMC10975450 DOI: 10.3390/ph17030337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/23/2024] [Accepted: 02/29/2024] [Indexed: 04/01/2024] Open
Abstract
Heart disease is a pressing public health problem and the leading cause of death worldwide. The heart is the first organ to gain function during embryogenesis in mammals. Heart development involves cell determination, expansion, migration, and crosstalk, which are orchestrated by numerous signaling pathways, such as the Wnt, TGF-β, IGF, and Retinoic acid signaling pathways. Human-induced pluripotent stem cell-based platforms are emerging as promising approaches for modeling heart disease in vitro. Understanding the signaling pathways that are essential for cardiac development has shed light on the molecular mechanisms of congenital heart defects and postnatal heart diseases, significantly advancing stem cell-based platforms to model heart diseases. This review summarizes signaling pathways that are crucial for heart development and discusses how these findings improve the strategies for modeling human heart disease in vitro.
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Affiliation(s)
- Congwu Chi
- Heart Institute, University of South Florida, Tampa, FL 33602, USA; (C.C.); (T.J.R.)
- Department of Internal Medicine, University of South Florida, Tampa, FL 33602, USA
- Center for Regenerative Medicine, University of South Florida, Tampa, FL 33602, USA
| | - Truman J. Roland
- Heart Institute, University of South Florida, Tampa, FL 33602, USA; (C.C.); (T.J.R.)
- Department of Internal Medicine, University of South Florida, Tampa, FL 33602, USA
- Center for Regenerative Medicine, University of South Florida, Tampa, FL 33602, USA
| | - Kunhua Song
- Heart Institute, University of South Florida, Tampa, FL 33602, USA; (C.C.); (T.J.R.)
- Department of Internal Medicine, University of South Florida, Tampa, FL 33602, USA
- Center for Regenerative Medicine, University of South Florida, Tampa, FL 33602, USA
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6
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Massenet-Regad L, Soumelis V. ICELLNET v2: a versatile method for cell-cell communication analysis from human transcriptomic data. Bioinformatics 2024; 40:btae089. [PMID: 38490248 PMCID: PMC10955248 DOI: 10.1093/bioinformatics/btae089] [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: 11/09/2023] [Revised: 01/31/2024] [Accepted: 03/13/2024] [Indexed: 03/17/2024] Open
Abstract
SUMMARY Several methods have been developed in the past years to infer cell-cell communication networks from transcriptomic data based on ligand and receptor expression. Among them, ICELLNET is one of the few approaches to consider the multiple subunits of ligands and receptors complexes to infer and quantify cell communication. In here, we present a major update of ICELLNET. As compared to its original implementation, we (i) drastically expanded the ICELLNET ligand-receptor database from 380 to 1669 biologically curated interactions, (ii) integrated important families of communication molecules involved in immune crosstalk, cell adhesion, and Wnt pathway, (iii) optimized ICELLNET framework for single-cell RNA sequencing data analyses, (iv) provided new visualizations of cell-cell communication results to facilitate prioritization and biological interpretation. This update will broaden the use of ICELLNET by the scientific community in different biological fields. AVAILABILITY AND IMPLEMENTATION ICELLNET package is implemented in R. Source code, documentation and tutorials are available on GitHub (https://github.com/soumelis-lab/ICELLNET).
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Affiliation(s)
- Lucile Massenet-Regad
- Université Paris Cité, INSERM U976 HIPI, Paris, F-75010, France
- Université Paris-Saclay, Saint Aubin, F-91190, France
| | - Vassili Soumelis
- Université Paris Cité, INSERM U976 HIPI, Paris, F-75010, France
- Department of Immunology-Histocompatibility, Saint-Louis Hospital, AP-HP.Nord, Université Paris Cité, Paris 75010, France
- Owkin France, Paris 75010, France
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Scharf MM, Humphrys LJ, Berndt S, Di Pizio A, Lehmann J, Liebscher I, Nicoli A, Niv MY, Peri L, Schihada H, Schulte G. The dark sides of the GPCR tree - research progress on understudied GPCRs. Br J Pharmacol 2024. [PMID: 38339984 DOI: 10.1111/bph.16325] [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: 08/25/2023] [Revised: 11/24/2023] [Accepted: 01/08/2024] [Indexed: 02/12/2024] Open
Abstract
A large portion of the human GPCRome is still in the dark and understudied, consisting even of entire subfamilies of GPCRs such as odorant receptors, class A and C orphans, adhesion GPCRs, Frizzleds and taste receptors. However, it is undeniable that these GPCRs bring an untapped therapeutic potential that should be explored further. Open questions on these GPCRs span diverse topics such as deorphanisation, the development of tool compounds and tools for studying these GPCRs, as well as understanding basic signalling mechanisms. This review gives an overview of the current state of knowledge for each of the diverse subfamilies of understudied receptors regarding their physiological relevance, molecular mechanisms, endogenous ligands and pharmacological tools. Furthermore, it identifies some of the largest knowledge gaps that should be addressed in the foreseeable future and lists some general strategies that might be helpful in this process.
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Affiliation(s)
- Magdalena M Scharf
- Karolinska Institutet, Dept. Physiology & Pharmacology, Sec. Receptor Biology & Signaling, Stockholm, Sweden
| | - Laura J Humphrys
- Institute of Pharmacy, University of Regensburg, Regensburg, Germany
| | - Sandra Berndt
- Rudolf Schönheimer Institute for Biochemistry, Molecular Biochemistry, University of Leipzig, Leipzig, Germany
| | - Antonella Di Pizio
- Leibniz Institute for Food Systems Biology at the Technical University of Munich, Freising, Germany
- Chemoinformatics and Protein Modelling, Department of Molecular Life Science, School of Life Science, Technical University of Munich, Freising, Germany
| | - Juliane Lehmann
- Rudolf Schönheimer Institute for Biochemistry, Molecular Biochemistry, University of Leipzig, Leipzig, Germany
| | - Ines Liebscher
- Rudolf Schönheimer Institute for Biochemistry, Molecular Biochemistry, University of Leipzig, Leipzig, Germany
| | - Alessandro Nicoli
- Leibniz Institute for Food Systems Biology at the Technical University of Munich, Freising, Germany
- Chemoinformatics and Protein Modelling, Department of Molecular Life Science, School of Life Science, Technical University of Munich, Freising, Germany
| | - Masha Y Niv
- The Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Lior Peri
- The Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Hannes Schihada
- Institute of Pharmaceutical Chemistry, Philipps-University Marburg, Marburg, Germany
| | - Gunnar Schulte
- Karolinska Institutet, Dept. Physiology & Pharmacology, Sec. Receptor Biology & Signaling, Stockholm, Sweden
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8
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Zhang Z, Lin X, Wei L, Wu Y, Xu L, Wu L, Wei X, Zhao S, Zhu X, Xu F. A framework for Frizzled-G protein coupling and implications to the PCP signaling pathways. Cell Discov 2024; 10:3. [PMID: 38182578 PMCID: PMC10770037 DOI: 10.1038/s41421-023-00627-y] [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: 08/03/2023] [Accepted: 11/19/2023] [Indexed: 01/07/2024] Open
Abstract
The ten Frizzled receptors (FZDs) are essential in Wnt signaling and play important roles in embryonic development and tumorigenesis. Among these, FZD6 is closely associated with lens development. Understanding FZD activation mechanism is key to unlock these emerging targets. Here we present the cryo-EM structures of FZD6 and FZD3 which are known to relay non-canonical planar cell polarity (PCP) signaling pathways as well as FZD1 in their G protein-coupled states and in the apo inactive states, respectively. Comparison of the three inactive/active pairs unveiled a shared activation framework among all ten FZDs. Mutagenesis along with imaging and functional analysis on the human lens epithelial tissues suggested potential crosstalk between the G-protein coupling of FZD6 and the PCP signaling pathways. Together, this study provides an integrated understanding of FZD structure and function, and lays the foundation for developing therapeutic modulators to activate or inhibit FZD signaling for a range of disorders including cancers and cataracts.
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Affiliation(s)
- Zhibin Zhang
- iHuman Institute, ShanghaiTech University, Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Xi Lin
- iHuman Institute, ShanghaiTech University, Shanghai, China
| | - Ling Wei
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China
| | - Yiran Wu
- iHuman Institute, ShanghaiTech University, Shanghai, China
| | - Lu Xu
- iHuman Institute, ShanghaiTech University, Shanghai, China
| | - Lijie Wu
- iHuman Institute, ShanghaiTech University, Shanghai, China
| | - Xiaohu Wei
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Xiangjia Zhu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, China.
| | - Fei Xu
- iHuman Institute, ShanghaiTech University, Shanghai, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
- Shanghai Clinical Research and Trial Center, Shanghai, China.
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Darvish M. LncRNA FTH1P3: A New Biomarker for Cancer-Related Therapeutic Development. Curr Mol Med 2024; 24:576-584. [PMID: 37491858 DOI: 10.2174/1566524023666230724141353] [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: 04/15/2023] [Revised: 06/17/2023] [Accepted: 06/22/2023] [Indexed: 07/27/2023]
Abstract
Cancer is a persistent and urgent health problem that affects the entire world. Not long ago, regulatory biomolecules referred to as long noncoding RNAs (lncRNAs) might have value for their innate abundance and stability. These single-stranded RNAs potentially interfere with several physiological and biochemical cellular processes involved in many human pathological situations, particularly cancer diseases. Ferritin heavy chain1 pseudogene 3 (FTH1P3), a lncRNA that is ubiquitously transcribed and belongs to the ferritin heavy chain (FHC) family, represents a novel class of lncRNAs primarily found in oral squamous cell carcinoma. Further research has shown that FTH1P3 is involved in other malignancies such as uveal melanoma, glioma, esophageal squamous cell carcinoma, non-small cell lung cancer, breast cancer, laryngeal squamous cell carcinoma, and cervical cancer. Accordingly, FTH1P3 significantly enhances cancer symptoms, including cell proliferation, invasion, metastasis, chemoresistance, and inhibition of apoptosis through many specific mechanisms. Notably, the clinical data significantly demonstrated the association of FTH1P3 overexpression with poor prognosis and poor overall survival within the examined samples. Here, we summarize all the research published to date (13 articles) on FTH1P3, focusing on the biological function underlying the regulatory mechanism and its possible clinical relevance.
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Affiliation(s)
- Maryam Darvish
- Department of Medical Biotechnology, School of Medicine, Arak University of Medical Sciences, Arak, Iran
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10
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Lan S, Zhang Z, Li Q. FZD7: A potential biomarker for endometriosis. Medicine (Baltimore) 2023; 102:e35406. [PMID: 37800830 PMCID: PMC10553041 DOI: 10.1097/md.0000000000035406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/05/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND Endometriosis is a chronic inflammatory, benign disorder that often co-occurs with adenomyosis and/or leiomyoma. The overall incidence of endometriosis in reproductive period women was nearly 10%. However, the exact mechanisms of endometriosis-associated pathogenesis are still unknown. METHODS In this study, we aimed to investigate whether Frizzled-7 (FZD7) would effectively promote the development of endometriosis. The microarray-based data analysis was performed to screen endometriosis-related differentially expressed genes. This process uncovered specific hub genes, and the nexus of vital genes and ferroptosis-related genes were pinpointed. Then, we collected human endometrial and endometriotic tissues from patients with endometriosis of the ovary (n = 39) and control patients without endometriosis (n = 10, who underwent hysterectomy for uterine fibroids) to compare the expression of FZD7. RESULTS These findings indicated that the expression of FZD7 was high compared with normal endometrium, and FZD7 may promote the progression of endometriosis. CONCLUSION FZD7 may serve as a potential therapeutic target for endometriosis treatment.
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Affiliation(s)
- Suwei Lan
- Hebei Medical University, Hebei, China
- Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Zhengmao Zhang
- Department of Gynecology, The Fourth Hospital, Hebei Medical University, Shijiazhuang, China
| | - Qing Li
- Chengde Medical University, Chengde, Hebei, China
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11
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Zhang X, Chang M, Wang B, Liu X, Zhang Z, Han G. YAP/WNT5A/FZD4 axis regulates osteogenic differentiation of human periodontal ligament cells under cyclic stretch. J Periodontal Res 2023; 58:907-918. [PMID: 37340863 DOI: 10.1111/jre.13143] [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: 12/08/2022] [Revised: 05/07/2023] [Accepted: 05/15/2023] [Indexed: 06/22/2023]
Abstract
OBJECTIVE To verify the role of YAP/WNT5A/FZD4 axis in stretch-induced osteogenic differentiation of hPDLCs. BACKGROUND During orthodontic tooth movement, differentiation of human periodontal ligament cells (hPDLCs) at the tension side of the periodontal ligament mediates new bone formation. WNT5A promotes osteogenesis and its regulator Yes-associated protein (YAP) is responsive to mechanical stimulation in hPDLCs. However, the mechanisms of YAP and WNT5A in alveolar bone remodeling remain unclear. METHODS Cyclic stretch was applied to hPDLCs to mimic the orthodontic stretching force. Osteogenic differentiation was determined by alkaline phosphatase (ALP) activity, Alizarin Red staining, qRT-PCR and western blotting. To detect activation of YAP and expression of WNT5A and its receptor Frizzled-4 (FZD4), western blotting, immunofluorescence, qRT-PCR and ELISA were performed. Verteporfin, Lats-IN-1, small interfering RNAs and recombinant protein were used to explore the relationship of YAP, WNT5A and FZD4, and the effect of their relationship on stretch-induced osteogenesis of hPDLCs. RESULTS WNT5A, FZD4 and nuclear localization of YAP were upregulated by cyclic stretch. YAP positively regulated WNT5A and FZD4 expression and osteogenic differentiation of hPDLCs under cyclic stretch by YAP inhibition or activation assay. Knockdown of WNT5A and FZD4 attenuated YAP-induced and stretch-induced osteogenic differentiation. Recombinant WNT5A rescued the suppressed osteogenic differentiation by YAP inhibitor in hPDLCs, whereas knockdown of FZD4 weakened the effect of WNT5A and amplified the suppression. CONCLUSIONS WNT5A/FZD4 could be positively regulated by YAP and the YAP/WNT5A/FZD4 axis mediated osteogenic differentiation of hPDLCs under cyclic stretch. This study provided further insight into the biological mechanism of orthodontic tooth movement.
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Affiliation(s)
- Xiaocen Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Maolin Chang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Beike Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xiaoyu Liu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zhen Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Guangli Han
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Orthodontic Department Division II, School & Hospital of Stomatology, Wuhan University, Wuhan, China
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Shah R, Amador C, Chun ST, Ghiam S, Saghizadeh M, Kramerov AA, Ljubimov AV. Non-canonical Wnt signaling in the eye. Prog Retin Eye Res 2023; 95:101149. [PMID: 36443219 PMCID: PMC10209355 DOI: 10.1016/j.preteyeres.2022.101149] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 11/12/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022]
Abstract
Wnt signaling comprises a group of complex signal transduction pathways that play critical roles in cell proliferation, differentiation, and apoptosis during development, as well as in stem cell maintenance and adult tissue homeostasis. Wnt pathways are classified into two major groups, canonical (β-catenin-dependent) or non-canonical (β-catenin-independent). Most previous studies in the eye have focused on canonical Wnt signaling, and the role of non-canonical signaling remains poorly understood. Additionally, the crosstalk between canonical and non-canonical Wnt signaling in the eye has hardly been explored. In this review, we present an overview of available data on ocular non-canonical Wnt signaling, including developmental and functional aspects in different eye compartments. We also discuss important changes of this signaling in various ocular conditions, such as keratoconus, aniridia-related keratopathy, diabetes, age-related macular degeneration, optic nerve damage, pathological angiogenesis, and abnormalities in the trabecular meshwork and conjunctival cells, and limbal stem cell deficiency.
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Affiliation(s)
- Ruchi Shah
- Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Regenerative Medicine Institute Eye Program, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Cynthia Amador
- Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Regenerative Medicine Institute Eye Program, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Steven T Chun
- Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Regenerative Medicine Institute Eye Program, Cedars-Sinai Medical Center, Los Angeles, CA, USA; University of California Los Angeles, Los Angeles, CA, USA
| | - Sean Ghiam
- Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Regenerative Medicine Institute Eye Program, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Sackler School of Medicine, New York State/American Program of Tel Aviv University, Tel Aviv, Israel
| | - Mehrnoosh Saghizadeh
- Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Regenerative Medicine Institute Eye Program, Cedars-Sinai Medical Center, Los Angeles, CA, USA; David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Andrei A Kramerov
- Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Regenerative Medicine Institute Eye Program, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Alexander V Ljubimov
- Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Regenerative Medicine Institute Eye Program, Cedars-Sinai Medical Center, Los Angeles, CA, USA; David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA; Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
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13
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Banerjee M, Devi Rajeswari V. Inhibition of WNT signaling by conjugated microRNA nano-carriers: A new therapeutic approach for treating triple-negative breast cancer a perspective review. Crit Rev Oncol Hematol 2023; 182:103901. [PMID: 36584723 DOI: 10.1016/j.critrevonc.2022.103901] [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: 12/19/2021] [Revised: 12/17/2022] [Accepted: 12/20/2022] [Indexed: 12/29/2022] Open
Abstract
Triple-Negative Breast Cancer is the most aggressive form and accounts the 15%-25% of all breast cancer. Receptors are absent in triple-negative breast cancer, which makes them unresponsive to the current hormonal therapies. The patients with TNBC are left with the option of cytotoxic chemotherapy. The Wnt pathways are connected to cancer, and when activated, they result in mammary hyperplasia and tumors. The tumor suppressor microRNAs can block tumor cell proliferation, invasion, and migration, lead to cancer cell death, and are also known to down-regulate the WNT signaling. Nanoparticles with microRNA have been seen to be more effective when compared with their single release. In this review, we have tried to understand how Wnt signaling plays a crucial role in TNBC, EMT, metastasis, anti-drug resistance, and regulation of Wnt by microRNA. The role of nano-carriers in delivering micro-RNA. The clinical biomarkers, including the present state-of-the-art, involve novel pathways of Wnt.
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Affiliation(s)
- Manosi Banerjee
- Department of Biomedical Sciences, School of Bioscience and Technology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - V Devi Rajeswari
- Department of Biomedical Sciences, School of Bioscience and Technology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India.
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14
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Kumari A, Garima, Bharadvaja N. A comprehensive review on algal nutraceuticals as prospective therapeutic agent for different diseases. 3 Biotech 2023; 13:44. [PMID: 36643398 PMCID: PMC9834485 DOI: 10.1007/s13205-022-03454-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 12/25/2022] [Indexed: 01/13/2023] Open
Abstract
Ongoing research in the food supplement sector provides insightful information regarding algae as a new-generation nutritional supplement and is also referred to as a superfood. Due to the diverse nutritional components, algae have documented numerous health benefits like fighting microbial diseases, hypertension, obesity, and diabetes. Therefore, algae-derived nutraceuticals account for a rapidly expanding market in the food supplements sector. The concept of algal prebiotics and their role in modulating gut microbiota have also been a chief contributor to this. This review evaluates the use of possible algal species and their specific bioactive compounds for the management of several chronic diseases. Proteins, peptides, polysaccharides, phenolics, and vitamins give an insight into the significance of algae in boosting the immune system and improving the body's nutritional makeup. In addition, phyco-compounds such as polysaccharides and polyphenols are also receiving a lot more interest in cosmeceutical applications for protecting skin from photodamage. The incorporation of algae in the diet for the management and prevention of chronic diseases like cancer, lung, and heart disease has been discussed in this review along with their action mechanism. This review provides a brief overview of several bioactive compounds present in micro and macroalgae and their therapeutic effect on lifestyle diseases, gastrointestinal diseases as well as neurodegenerative diseases.
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Affiliation(s)
- Asmita Kumari
- Plant Biotechnology Laboratory, Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042 India
| | - Garima
- Plant Biotechnology Laboratory, Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042 India
| | - Navneeta Bharadvaja
- Plant Biotechnology Laboratory, Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042 India
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15
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Huang K, Xu H, Han L, Xu R, Xu Z, Xie Y. Identification of therapeutic targets and prognostic biomarkers among frizzled family genes in glioma. Front Mol Biosci 2023; 9:1054614. [PMID: 36699699 PMCID: PMC9868451 DOI: 10.3389/fmolb.2022.1054614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023] Open
Abstract
Background: The biological functions of the Frizzled gene family (FZDs), as the key node of wingless-type MMTV integration site family (Wnt) and mammalian target of rapamycin signaling pathways, have not been fully elucidated in glioma. This study aims to identify novel therapeutic targets and prognostic biomarkers for gliomas, which may help us understand the role of FZDs. Methods: RNA-sequence data were downloaded from The Cancer Genome Atlas (TCGA) and Genotype-Tissue Expression (GTEx) projects. Survival analyses, Cox regression analyses, nomograms, calibration curves, receiver operating characteristic (ROC) curves, gene function enrichment analyses, and immune cell infiltration analyses were conducted using R. Results: High expressions of FZDs were positively associated with the activation of mTOR signaling. FZD1/2/3/4/5/7/8 was significantly highly expressed in tumor tissues, and the high expression of FZD1/2/5/6/7/8 was significantly positively associated with poorer prognosis. FZD2 and FZD6 positively served as independent predictors of poor prognosis. Gene function analysis showed that FZDs were associated with mTOR signaling, immune response, cytokine-cytokine receptor interaction, extracellular matrix organization, apoptosis, and p53 signaling pathway. Conclusions: Our finding strongly indicated a crucial role of FZDs in glioma. FZD1/2/5/6/7/8 could be an unfavorable prognostic factor in glioma and FZD2 and FZD6 may be novel independent predictors of poor prognosis in glioma.
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Affiliation(s)
- Ke Huang
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, China,School/Hospital of Stomatology, Lanzhou University, Lanzhou, China
| | - Huimei Xu
- Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Liang Han
- School/Hospital of Stomatology, Lanzhou University, Lanzhou, China
| | - Ruiming Xu
- The Second Hospital of Dalian Medical University, Dalian, China
| | - Zhaoqing Xu
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, China,*Correspondence: Zhaoqing Xu, ; Yi Xie,
| | - Yi Xie
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China,Key Laboratory of Heavy Ion Radiation Biology and Medicine of Chinese Academy of Sciences, Lanzhou, China,Key Laboratory of Heavy Ion Radiation Medicine of Gansu Province, Lanzhou, China,*Correspondence: Zhaoqing Xu, ; Yi Xie,
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16
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Regué L, Wang W, Ji F, Avruch J, Wang H, Dai N. Human T2D-Associated Gene IMP2/IGF2BP2 Promotes the Commitment of Mesenchymal Stem Cells Into Adipogenic Lineage. Diabetes 2023; 72:33-44. [PMID: 36219823 PMCID: PMC9797317 DOI: 10.2337/db21-1087] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 10/06/2022] [Indexed: 01/19/2023]
Abstract
Excessive adiposity is the main cause of obesity and type two diabetes (T2D). Variants in human IMP2/IGF2BP2 gene are associated with increased risk of T2D. However, little is known about its role in adipogenesis and in insulin resistance. Here, we investigate the function of IMP2 during adipocyte development. Mice with Imp2 deletion in mesenchymal stem cells (MSC) are resistant to diet-induced obesity without glucose and insulin tolerance affected. Imp2 is essential for the early commitment of adipocyte-derived stem cells (ADSC) into preadipocytes, but the deletion of Imp2 in MSC is not required for the proliferation and terminal differentiation of committed preadipocytes. Mechanistically, Imp2 binds Wnt receptor Fzd8 mRNA and promotes its degradation by recruiting CCR4-NOT deadenylase complex in an mTOR-dependent manner. Our data demonstrate that Imp2 is required for maintaining white adipose tissue homeostasis through controlling mRNA stability in ADSC. However, the contribution of IMP2 to insulin resistance, a main risk of T2D, is not evident.
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Affiliation(s)
- Laura Regué
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA
- Diabetes Unit of the Medical Services, Massachusetts General Hospital, Boston, MA
- Department of Medicine, Harvard Medical School, Boston, MA
| | - William Wang
- The Lundquist Institute, Torrance, CA
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA
| | - Fei Ji
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA
- Department of Medicine, Harvard Medical School, Boston, MA
| | - Joseph Avruch
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA
- Diabetes Unit of the Medical Services, Massachusetts General Hospital, Boston, MA
- Department of Medicine, Harvard Medical School, Boston, MA
| | - Hua Wang
- The Lundquist Institute, Torrance, CA
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA
| | - Ning Dai
- Department of Molecular Biology, Massachusetts General Hospital, Boston, MA
- Diabetes Unit of the Medical Services, Massachusetts General Hospital, Boston, MA
- Department of Medicine, Harvard Medical School, Boston, MA
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17
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Akoumianakis I, Polkinghorne M, Antoniades C. Non-canonical WNT signalling in cardiovascular disease: mechanisms and therapeutic implications. Nat Rev Cardiol 2022; 19:783-797. [PMID: 35697779 PMCID: PMC9191761 DOI: 10.1038/s41569-022-00718-5] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/25/2022] [Indexed: 12/15/2022]
Abstract
WNT signalling comprises a diverse spectrum of receptor-mediated pathways activated by a large family of WNT ligands and influencing fundamental biological processes. WNT signalling includes the β-catenin canonical pathway and the non-canonical pathways, namely the planar cell polarity and the calcium-dependent pathways. Advances over the past decade have linked non-canonical WNT signalling with key mechanisms of atherosclerosis, including oxidative stress, endothelial dysfunction, macrophage activation and vascular smooth muscle cell phenotype regulation. In addition, non-canonical WNT signalling is involved in crucial aspects of myocardial biology, from fibrosis to hypertrophy and oxidative stress. Importantly, non-canonical WNT signalling activation has complex effects in adipose tissue in the context of obesity, thereby potentially linking metabolic and vascular diseases. Tissue-specific targeting of non-canonical WNT signalling might be associated with substantial risks of off-target tumorigenesis, challenging its therapeutic potential. However, novel technologies, such as monoclonal antibodies, recombinant decoy receptors, tissue-specific gene silencing with small interfering RNAs and gene editing with CRISPR-Cas9, might enable more efficient therapeutic targeting of WNT signalling in the cardiovascular system. In this Review, we summarize the components of non-canonical WNT signalling, their links with the main mechanisms of atherosclerosis, heart failure and arrhythmias, and the rationale for targeting individual components of non-canonical WNT signalling for the treatment of cardiovascular disease.
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Affiliation(s)
- Ioannis Akoumianakis
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Murray Polkinghorne
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Charalambos Antoniades
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK.
- Acute Vascular Imaging Centre, Radcliffe Department of Medicine, University of Oxford, Oxford, UK.
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18
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Ma X, Guo J, Fu Y, Shen C, Jiang P, Zhang Y, Zhang L, Yu Y, Fan J, Chai R. G protein-coupled receptors in cochlea: Potential therapeutic targets for hearing loss. Front Mol Neurosci 2022; 15:1028125. [PMID: 36311029 PMCID: PMC9596917 DOI: 10.3389/fnmol.2022.1028125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/21/2022] [Indexed: 11/29/2022] Open
Abstract
The prevalence of hearing loss-related diseases caused by different factors is increasing worldwide year by year. Currently, however, the patient’s hearing loss has not been effectively improved. Therefore, there is an urgent need to adopt new treatment measures and treatment techniques to help improve the therapeutic effect of hearing loss. G protein-coupled receptors (GPCRs), as crucial cell surface receptors, can widely participate in different physiological and pathological processes, particularly play an essential role in many disease occurrences and be served as promising therapeutic targets. However, no specific drugs on the market have been found to target the GPCRs of the cochlea. Interestingly, many recent studies have demonstrated that GPCRs can participate in various pathogenic process related to hearing loss in the cochlea including heredity, noise, ototoxic drugs, cochlear structure, and so on. In this review, we comprehensively summarize the functions of 53 GPCRs known in the cochlea and their relationships with hearing loss, and highlight the recent advances of new techniques used in cochlear study including cryo-EM, AI, GPCR drug screening, gene therapy vectors, and CRISPR editing technology, as well as discuss in depth the future direction of novel GPCR-based drug development and gene therapy for cochlear hearing loss. Collectively, this review is to facilitate basic and (pre-) clinical research in this area, and provide beneficial help for emerging GPCR-based cochlear therapies.
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Affiliation(s)
- Xiangyu Ma
- State Key Laboratory of Bioelectronics, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Advanced Institute for Life and Health, Southeast University, Nanjing, China
| | - Jiamin Guo
- State Key Laboratory of Bioelectronics, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Advanced Institute for Life and Health, Southeast University, Nanjing, China
| | - Yaoyang Fu
- Department of Psychiatry, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Cangsong Shen
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Pei Jiang
- State Key Laboratory of Bioelectronics, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Advanced Institute for Life and Health, Southeast University, Nanjing, China
| | - Yuan Zhang
- Jiangsu Provincial Key Medical Discipline (Laboratory), Department of Otolaryngology Head and Neck Surgery, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
- Research Institute of Otolaryngology, Nanjing, China
| | - Lei Zhang
- Department of Otorhinolaryngology, Head and Neck Surgery, The Second Hospital of Anhui Medical University, Hefei, China
| | - Yafeng Yu
- First Affiliated Hospital of Soochow University, Soochow, China
- *Correspondence: Yafeng Yu,
| | - Jiangang Fan
- Department of Otolaryngology Head and Neck Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Jiangang Fan,
| | - Renjie Chai
- State Key Laboratory of Bioelectronics, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Advanced Institute for Life and Health, Southeast University, Nanjing, China
- Department of Otolaryngology Head and Neck Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
- Beijing Key Laboratory of Neural Regeneration and Repair, Capital Medical University, Beijing, China
- Renjie Chai,
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Abstract
Melasma is a multifactorial dyschromia that results from exposure to external factors (such as solar radiation) and hormonal factors (such as sex hormones and pregnancy), as well as skin inflammation (such as contact dermatitis and esthetic procedures), in genetically predisposed individuals. Beyond hyperfunctional melanocytes, skin with melasma exhibits a series of structural and functional alterations in the epidermis, basement membrane, and upper dermis that interact to elicit and sustain a focal hypermelanogenic phenotype. Evolution in the knowledge of the genetic basis of melasma and the cutaneous response to solar radiation, as well as the roles of endocrine factors, antioxidant system, endothelium proliferation, fibroblast senescence, mast cell degranulation, autophagy deficits of the melanocyte, and the paracrine regulation of melanogenesis, will lead to the development of new treatments and preventive strategies. This review presents current knowledge on these aspects of the pathogenesis of melasma and discusses the effects of specific treatments and future research on these issues.
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20
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Roy SK, Ma Y, Lam BQ, Shrivastava A, Srivastav S, Shankar S, Srivastava RK. Riluzole regulates pancreatic cancer cell metabolism by suppressing the Wnt-β-catenin pathway. Sci Rep 2022; 12:11062. [PMID: 35773307 PMCID: PMC9246955 DOI: 10.1038/s41598-022-13472-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 05/03/2022] [Indexed: 11/25/2022] Open
Abstract
Most cancer cells rely on aerobic glycolysis to support uncontrolled proliferation and evade apoptosis. However, pancreatic cancer cells switch to glutamine metabolism to survive under hypoxic conditions. Activation of the Wnt/β-catenin pathway induces aerobic glycolysis by activating enzymes required for glucose metabolism and regulating the expression of glutamate transporter and glutamine synthetase. The results demonstrate that riluzole inhibits pancreatic cancer cell growth and has no effect on human pancreatic normal ductal epithelial cells. RNA-seq experiments identified the involvement of Wnt and metabolic pathways by riluzole. Inhibition of Wnt-β-catenin/TCF-LEF pathway by riluzole suppresses the expression of PDK, MCT1, cMyc, AXIN, and CyclinD1. Riluzole inhibits glucose transporter 2 expression, glucose uptake, lactate dehydrogenase A expression, and NAD + level. Furthermore, riluzole inhibits glutamate release and glutathione levels, and elevates reactive oxygen species. Riluzole disrupts mitochondrial homeostasis by inhibiting Bcl-2 and upregulating Bax expression, resulting in a drop of mitochondrial membrane potential. Finally, riluzole inhibits pancreatic cancer growth in KPC (Pdx1-Cre, LSL-Trp53R172H, and LSL-KrasG12D) mice. In conclusion, riluzole can inhibit pancreatic cancer growth by regulating glucose and glutamine metabolisms and can be used to treat pancreatic cancer.
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Affiliation(s)
- Sanjit K Roy
- Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health-New Orleans, New Orleans, LA, 70122, USA
| | - Yiming Ma
- Kansas City VA Medical Center, Kansas City, MO, 66128, USA
| | - Bao Q Lam
- Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health-New Orleans, New Orleans, LA, 70122, USA
| | - Anju Shrivastava
- St. Joseph's Hospital and Medical Center, Phoenix, AZ, 85013, USA
| | - Sudesh Srivastav
- Department of Biostatistics and Data Science, School of Public Health and Tropical Medicine, Tulane University School of Medicine, New Orleans, LA, 70122, USA
| | - Sharmila Shankar
- Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health-New Orleans, New Orleans, LA, 70122, USA
- Kansas City VA Medical Center, Kansas City, MO, 66128, USA
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans, LA, USA
- Southeast Louisiana Veterans Health Care System, New Orleans, LA, 70112, USA
| | - Rakesh K Srivastava
- Stanley S. Scott Cancer Center, School of Medicine, Louisiana State University Health-New Orleans, New Orleans, LA, 70122, USA.
- Kansas City VA Medical Center, Kansas City, MO, 66128, USA.
- Department of Genetics, Louisiana State University Health Sciences Center, New Orleans, LA, USA.
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21
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Liccardo F, Luini A, Di Martino R. Endomembrane-Based Signaling by GPCRs and G-Proteins. Cells 2022; 11:528. [PMID: 35159337 PMCID: PMC8834376 DOI: 10.3390/cells11030528] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/26/2022] [Accepted: 01/28/2022] [Indexed: 12/14/2022] Open
Abstract
G-protein-coupled receptors (GPCRs) and G-proteins have a range of roles in many physiological and pathological processes and are among the most studied signaling proteins. A plethora of extracellular stimuli can activate the GPCR and can elicit distinct intracellular responses through the activation of specific transduction pathways. For many years, biologists thought that GPCR signaling occurred entirely on the plasma membrane. However, in recent decades, many lines of evidence have proved that the GPCRs and G-proteins may reside on endomembranes and can start or propagate signaling pathways through the organelles that form the secretory route. How these alternative intracellular signaling pathways of the GPCR and G-proteins influence the physiological and pathological function of the endomembranes is still under investigation. Here, we review the general role and classification of GPCRs and G-proteins with a focus on their signaling pathways in the membrane transport apparatus.
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Affiliation(s)
- Federica Liccardo
- Cardiovascular Research Institute, University of California San Francisco (UCSF), 555 Mission Bay Blvd., San Francisco, CA 94158, USA;
| | - Alberto Luini
- Istituto per L’endocrinologia e L’oncologia Sperimentale “Gaetano Salvatore” (IEOS)—Sede Secondaria, Via Pietro Castellino 111, 80131 Napoli, Italy
| | - Rosaria Di Martino
- Istituto per L’endocrinologia e L’oncologia Sperimentale “Gaetano Salvatore” (IEOS)—Sede Secondaria, Via Pietro Castellino 111, 80131 Napoli, Italy
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22
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Stoner ZA, Ketchum EM, Sheltz-Kempf S, Blinkiewicz PV, Elliott KL, Duncan JS. Fzd3 Expression Within Inner Ear Afferent Neurons Is Necessary for Central Pathfinding. Front Neurosci 2022; 15:779871. [PMID: 35153658 PMCID: PMC8828977 DOI: 10.3389/fnins.2021.779871] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 12/29/2021] [Indexed: 11/29/2022] Open
Abstract
During development the afferent neurons of the inner ear make precise wiring decisions in the hindbrain reflective of their topographic distribution in the periphery. This is critical for the formation of sensory maps capable of faithfully processing both auditory and vestibular input. Disorganized central projections of inner ear afferents in Fzd3 null mice indicate Wnt/PCP signaling is involved in this process and ear transplantation in Xenopus indicates that Fzd3 is necessary in the ear but not the hindbrain for proper afferent navigation. However, it remains unclear in which cell type of the inner ear Fzd3 expression is influencing the guidance of inner ear afferents to their proper synaptic targets in the hindbrain. We utilized Atoh1-cre and Neurod1-cre mouse lines to conditionally knockout Fzd3 within the mechanosensory hair cells of the organ of Corti and within the inner ear afferents, respectively. Following conditional deletion of Fzd3 within the hair cells, the central topographic distribution of inner ear afferents was maintained with no gross morphological defects. In contrast, conditional deletion of Fzd3 within inner ear afferents leads to central pathfinding defects of both cochlear and vestibular afferents. Here, we show that Fzd3 is acting in a cell autonomous manner within inner ear afferents to regulate central pathfinding within the hindbrain.
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Affiliation(s)
- Zachary A. Stoner
- Department of Biological Sciences, Western Michigan University, Kalamazoo, MI, United States
| | - Elizabeth M. Ketchum
- Department of Biological Sciences, Western Michigan University, Kalamazoo, MI, United States
| | - Sydney Sheltz-Kempf
- Department of Biological Sciences, Western Michigan University, Kalamazoo, MI, United States
| | - Paige V. Blinkiewicz
- Department of Biological Sciences, Western Michigan University, Kalamazoo, MI, United States
| | - Karen L. Elliott
- Department of Biology, University of Iowa, Iowa City, IA, United States
- *Correspondence: Karen L. Elliott,
| | - Jeremy S. Duncan
- Department of Biological Sciences, Western Michigan University, Kalamazoo, MI, United States
- Department of Biomedical Sciences, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, United States
- Jeremy S. Duncan,
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23
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Martínez-Gil N, Ugartondo N, Grinberg D, Balcells S. Wnt Pathway Extracellular Components and Their Essential Roles in Bone Homeostasis. Genes (Basel) 2022; 13:genes13010138. [PMID: 35052478 PMCID: PMC8775112 DOI: 10.3390/genes13010138] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 12/11/2022] Open
Abstract
The Wnt pathway is involved in several processes essential for bone development and homeostasis. For proper functioning, the Wnt pathway is tightly regulated by numerous extracellular elements that act by both activating and inhibiting the pathway at different moments. This review aims to describe, summarize and update the findings regarding the extracellular modulators of the Wnt pathway, including co-receptors, ligands and inhibitors, in relation to bone homeostasis, with an emphasis on the animal models generated, the diseases associated with each gene and the bone processes in which each member is involved. The precise knowledge of all these elements will help us to identify possible targets that can be used as a therapeutic target for the treatment of bone diseases such as osteoporosis.
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24
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Monfared RV, Alhassen W, Truong TM, Gonzales MAM, Vachirakorntong V, Chen S, Baldi P, Civelli O, Alachkar A. Transcriptome Profiling of Dysregulated GPCRs Reveals Overlapping Patterns across Psychiatric Disorders and Age-Disease Interactions. Cells 2021; 10:2967. [PMID: 34831190 PMCID: PMC8616384 DOI: 10.3390/cells10112967] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/24/2021] [Accepted: 10/25/2021] [Indexed: 12/29/2022] Open
Abstract
G-protein-coupled receptors (GPCRs) play an integral role in the neurobiology of psychiatric disorders. Almost all neurotransmitters involved in psychiatric disorders act through GPCRs, and GPCRs are the most common targets of therapeutic drugs currently used in the treatment of psychiatric disorders. However, the roles of GPCRs in the etiology and pathophysiology of psychiatric disorders are not fully understood. Using publically available datasets, we performed a comprehensive analysis of the transcriptomic signatures of G-protein-linked signaling across the major psychiatric disorders: autism spectrum disorder (ASD), schizophrenia (SCZ), bipolar disorder (BP), and major depressive disorder (MDD). We also used the BrainSpan transcriptomic dataset of the developing human brain to examine whether GPCRs that exhibit chronological age-associated expressions have a higher tendency to be dysregulated in psychiatric disorders than age-independent GPCRs. We found that most GPCR genes were differentially expressed in the four disorders and that the GPCR superfamily as a gene cluster was overrepresented in the four disorders. We also identified a greater amplitude of gene expression changes in GPCRs than other gene families in the four psychiatric disorders. Further, dysregulated GPCRs overlapped across the four psychiatric disorders, with SCZ exhibiting the highest overlap with the three other disorders. Finally, the results revealed a greater tendency of age-associated GPCRs to be dysregulated in ASD than random GPCRs. Our results substantiate the central role of GPCR signaling pathways in the etiology and pathophysiology of psychiatric disorders. Furthermore, our study suggests that common GPCRs' signaling may mediate distinct phenotypic presentations across psychiatric disorders. Consequently, targeting these GPCRs could serve as a common therapeutic strategy to treat specific clinical symptoms across psychiatric disorders.
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Affiliation(s)
- Roudabeh Vakil Monfared
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA 92697, USA; (R.V.M.); (W.A.); (T.M.T.); (M.A.M.G.); (V.V.); (O.C.)
| | - Wedad Alhassen
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA 92697, USA; (R.V.M.); (W.A.); (T.M.T.); (M.A.M.G.); (V.V.); (O.C.)
| | - Tri Minh Truong
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA 92697, USA; (R.V.M.); (W.A.); (T.M.T.); (M.A.M.G.); (V.V.); (O.C.)
| | - Michael Angelo Maglalang Gonzales
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA 92697, USA; (R.V.M.); (W.A.); (T.M.T.); (M.A.M.G.); (V.V.); (O.C.)
| | - Vincent Vachirakorntong
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA 92697, USA; (R.V.M.); (W.A.); (T.M.T.); (M.A.M.G.); (V.V.); (O.C.)
| | - Siwei Chen
- Department of Computer Science, School of Information and Computer Sciences, University of California Irvine, Irvine, CA 92697, USA; (S.C.); (P.B.)
- Institute for Genomics and Bioinformatics, School of Information and Computer Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - Pierre Baldi
- Department of Computer Science, School of Information and Computer Sciences, University of California Irvine, Irvine, CA 92697, USA; (S.C.); (P.B.)
- Institute for Genomics and Bioinformatics, School of Information and Computer Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - Olivier Civelli
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA 92697, USA; (R.V.M.); (W.A.); (T.M.T.); (M.A.M.G.); (V.V.); (O.C.)
| | - Amal Alachkar
- Department of Pharmaceutical Sciences, School of Pharmacy, University of California Irvine, Irvine, CA 92697, USA; (R.V.M.); (W.A.); (T.M.T.); (M.A.M.G.); (V.V.); (O.C.)
- Institute for Genomics and Bioinformatics, School of Information and Computer Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for the Neurobiology of Learning and Memory, University of California Irvine, Irvine, CA 92697, USA
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25
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Pascual-Vargas P, Salinas PC. A Role for Frizzled and Their Post-Translational Modifications in the Mammalian Central Nervous System. Front Cell Dev Biol 2021; 9:692888. [PMID: 34414184 PMCID: PMC8369345 DOI: 10.3389/fcell.2021.692888] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/04/2021] [Indexed: 12/02/2022] Open
Abstract
The Wnt pathway is a key signalling cascade that regulates the formation and function of neuronal circuits. The main receptors for Wnts are Frizzled (Fzd) that mediate diverse functions such as neurogenesis, axon guidance, dendritogenesis, synapse formation, and synaptic plasticity. These processes are crucial for the assembly of functional neuronal circuits required for diverse functions ranging from sensory and motor tasks to cognitive performance. Indeed, aberrant Wnt-Fzd signalling has been associated with synaptic defects during development and in neurodegenerative conditions such as Alzheimer's disease. New studies suggest that the localisation and stability of Fzd receptors play a crucial role in determining Wnt function. Post-translational modifications (PTMs) of Fzd are emerging as an important mechanism that regulates these Wnt receptors. However, only phosphorylation and glycosylation have been described to modulate Fzd function in the central nervous system (CNS). In this review, we discuss the function of Fzd in neuronal circuit connectivity and how PTMs contribute to their function. We also discuss other PTMs, not yet described in the CNS, and how they might modulate the function of Fzd in neuronal connectivity. PTMs could modulate Fzd function by affecting Fzd localisation and stability at the plasma membrane resulting in local effects of Wnt signalling, a feature particularly important in polarised cells such as neurons. Our review highlights the importance of further studies into the role of PTMs on Fzd receptors in the context of neuronal connectivity.
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Affiliation(s)
| | - Patricia C. Salinas
- Department of Cell and Developmental Biology, University College London, London, United Kingdom
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26
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Liu X, Chen JY, Chien Y, Yang YP, Chen MT, Lin LT. Overview of the molecular mechanisms of migration and invasion in glioblastoma multiforme. J Chin Med Assoc 2021; 84:669-677. [PMID: 34029218 DOI: 10.1097/jcma.0000000000000552] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Glioblastoma (GBM) is one of the most devastating cancers, with an approximate median survival of only 16 months. Although some new insights into the fantastic heterogeneity of this kind of brain tumor have been revealed in recent studies, all subclasses of GBM still demonstrate highly aggressive invasion properties to the surrounding parenchyma. This behavior has become the main obstruction to current curative therapies as invasive GBM cells migrate away from these foci after surgical therapies. Therefore, this review aimed to provide a relatively comprehensive study of GBM invasion mechanisms, which contains an intricate network of interactions and signaling pathways with the extracellular matrix (ECM). Among these related molecules, TGF-β, the ECM, Akt, and microRNAs are most significant in terms of cellular procedures related to GBM motility and invasion. Moreover, we also review data indicating that Musashi-1 (MSI1), a neural RNA-binding protein (RBP), regulates GBM motility and invasion, maintains stem cell populations in GBM, and promotes drug-resistant GBM phenotypes by stimulating necessary oncogenic signaling pathways through binding and regulating mRNA stability. Importantly, these necessary oncogenic signaling pathways have a close connection with TGF-β, ECM, and Akt. Thus, it appears promising to find MSI-specific inhibitors or RNA interference-based treatments to prevent the actions of these molecules despite using RBPs, which are known as hard therapeutic targets. In summary, this review aims to provide a better understanding of these signaling pathways to help in developing novel therapeutic approaches with better outcomes in preclinical studies.
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Affiliation(s)
- Xian Liu
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Ju-Yu Chen
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
| | - Yueh Chien
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Yi-Ping Yang
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Ming-Teh Chen
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Medical Education & Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Liang-Ting Lin
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, China
- Department of Health Technology and Informatics, Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, Guangdong, China
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27
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Poll BG, Chen L, Chou CL, Raghuram V, Knepper MA. Landscape of GPCR expression along the mouse nephron. Am J Physiol Renal Physiol 2021; 321:F50-F68. [PMID: 34029142 PMCID: PMC8321805 DOI: 10.1152/ajprenal.00077.2021] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/20/2021] [Accepted: 05/20/2021] [Indexed: 12/11/2022] Open
Abstract
Kidney transport and other renal functions are regulated by multiple G protein-coupled receptors (GPCRs) expressed along the renal tubule. The rapid, recent appearance of comprehensive unbiased gene expression data in the various renal tubule segments, chiefly RNA sequencing and protein mass spectrometry data, has provided a means of identifying patterns of GPCR expression along the renal tubule. To allow for comprehensive mapping, we first curated a comprehensive list of GPCRs in the genomes of mice, rats, and humans (https://hpcwebapps.cit.nih.gov/ESBL/Database/GPCRs/) using multiple online data sources. We used this list to mine segment-specific and cell type-specific expression data from RNA-sequencing studies in microdissected mouse tubule segments to identify GPCRs that are selectively expressed in discrete tubule segments. Comparisons of these mapped mouse GPCRs with other omics datasets as well as functional data from isolated perfused tubule and micropuncture studies confirmed patterns of expression for well-known receptors and identified poorly studied GPCRs that are likely to play roles in the regulation of renal tubule function. Thus, we provide data resources for GPCR expression across the renal tubule, highlighting both well-known GPCRs and understudied receptors to provide guidance for future studies.
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Affiliation(s)
- Brian G Poll
- Epithelial Systems Biology Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Lihe Chen
- Epithelial Systems Biology Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Chung-Lin Chou
- Epithelial Systems Biology Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Viswanathan Raghuram
- Epithelial Systems Biology Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Mark A Knepper
- Epithelial Systems Biology Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
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28
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Overeem AW, Chang YW, Spruit J, Roelse CM, Chuva De Sousa Lopes SM. Ligand-Receptor Interactions Elucidate Sex-Specific Pathways in the Trajectory From Primordial Germ Cells to Gonia During Human Development. Front Cell Dev Biol 2021; 9:661243. [PMID: 34222234 PMCID: PMC8253161 DOI: 10.3389/fcell.2021.661243] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 05/14/2021] [Indexed: 12/31/2022] Open
Abstract
The human germ cell lineage originates from primordial germ cells (PGCs), which are specified at approximately the third week of development. Our understanding of the signaling pathways that control this event has significantly increased in recent years and that has enabled the generation of PGC-like cells (PGCLCs) from pluripotent stem cells in vitro. However, the signaling pathways that drive the transition of PGCs into gonia (prospermatogonia in males or premeiotic oogonia in females) remain unclear, and we are presently unable to mimic this step in vitro in the absence of gonadal tissue. Therefore, we have analyzed single-cell transcriptomics data of human fetal gonads to map the molecular interactions during the sex-specific transition from PGCs to gonia. The CellPhoneDB algorithm was used to identify significant ligand–receptor interactions between germ cells and their sex-specific neighboring gonadal somatic cells, focusing on four major signaling pathways WNT, NOTCH, TGFβ/BMP, and receptor tyrosine kinases (RTK). Subsequently, the expression and intracellular localization of key effectors for these pathways were validated in human fetal gonads by immunostaining. This approach provided a systematic analysis of the signaling environment in developing human gonads and revealed sex-specific signaling pathways during human premeiotic germ cell development. This work serves as a foundation to understand the transition from PGCs to premeiotic oogonia or prospermatogonia and identifies sex-specific signaling pathways that are of interest in the step-by-step reconstitution of human gametogenesis in vitro.
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Affiliation(s)
- Arend W Overeem
- Department of Anatomy and Embryology, Leiden University Medical Centre, Leiden, Netherlands
| | - Yolanda W Chang
- Department of Anatomy and Embryology, Leiden University Medical Centre, Leiden, Netherlands
| | - Jeroen Spruit
- Department of Anatomy and Embryology, Leiden University Medical Centre, Leiden, Netherlands
| | - Celine M Roelse
- Department of Anatomy and Embryology, Leiden University Medical Centre, Leiden, Netherlands
| | - Susana M Chuva De Sousa Lopes
- Department of Anatomy and Embryology, Leiden University Medical Centre, Leiden, Netherlands.,Ghent-Fertility and Stem Cell Team (G-FAST), Department of Reproductive Medicine, Ghent University Hospital, Ghent, Belgium
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29
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Pei X, Hu F, Luo F, Huang X, Li X, Xing S, Long D. The neuroprotective effects of alpha-lipoic acid on an experimental model of Alzheimer's disease in PC12 cells. J Appl Toxicol 2021; 42:285-294. [PMID: 34133789 DOI: 10.1002/jat.4213] [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: 02/06/2021] [Revised: 06/07/2021] [Accepted: 06/07/2021] [Indexed: 11/09/2022]
Abstract
With the growth of the aging population, the prevalence of Alzheimer's disease (AD) has increased and influenced the work and daily life of AD patients, imposing a heavy burden on society and the patients' families. AD is a progressive disease with a long duration, and the pathogenesis is very complicated. Here, we found that alpha-lipoic acid (LA), an endogenous, naturally synthesized compound, could attenuate amyloid beta fragment (Aβ25-35 )-induced PC12 cell toxicity. Aβ25-35 treatment largely decreased the viability of PC12 cells, increased reactive oxygen species (ROS) levels, and increased the percentage of apoptotic cells, which were accompanied by changes in the expression of the apoptosis-related genes. Further, the Wnt pathway was inactivated, and the expression of Wnt pathway-related proteins such as Frizzled2, GSK3β, and phosphorylated GSK3β were dysregulated after Aβ25-35 treatment. LA efficiently attenuated Aβ25-35 -induced PC12 cell apoptosis and downregulated the phosphorylation-mediated degradation of β-catenin as well as GSK3β. Our results demonstrate that LA rescues Aβ25-35 -induced neurocytotoxicity through the Wnt-β-catenin pathway.
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Affiliation(s)
- Xinrong Pei
- Institute for Food and Cosmetics Control, National Institutes for Food and Drug Control, Beijing, China
| | - Fangyan Hu
- School of Public Health, University of South China, Hengyang, China
| | - Feiya Luo
- Institute for Food and Cosmetics Control, National Institutes for Food and Drug Control, Beijing, China
| | - Xianglu Huang
- Institute for Food and Cosmetics Control, National Institutes for Food and Drug Control, Beijing, China
| | - Xiaoling Li
- School of Public Health, University of South China, Hengyang, China
| | - Shuxia Xing
- Institute for Food and Cosmetics Control, National Institutes for Food and Drug Control, Beijing, China
| | - Dingxin Long
- School of Public Health, University of South China, Hengyang, China
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30
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Zhu Y, Zhang T, Zhao Y, Wang Y, Lv Y, Li S, Yang S, Zhu M, Zhao W, Wang Q. Screening, construction, and serological identification of the diagnostic antigen molecule EG-06283 for the diagnosis of Echinococcus granulosus. Parasitol Res 2021; 120:2557-2567. [PMID: 34043054 DOI: 10.1007/s00436-021-07183-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/03/2021] [Indexed: 11/30/2022]
Abstract
Several strategies exist to prevent and control echinococcosis, a global parasitic disease. However, most treatments are ineffective and adverse effects are common. Therefore, we aimed to screen protoscolex antigen molecules of Echinococcus granulosus to identify a diagnostic biomarker for hydatid disease. Published E. granulosus transcriptome sequencing data were analyzed to screen for antigen molecules that are highly expressed in protoscoleces but not in oncospheres. The membrane protein EG-06283 (annotated as Frizzled-4) was selected from 16 antigens, and its gene fragment was subjected to codon optimization and synthesis. rEG-06283 expression was induced in the pET-24a/EG-06283/BL21 strain; subsequently, the protein was purified and subcutaneously injected into ICR mice at weeks 0, 2, 4, and 6. Blood sampling occurred periodically to quantify serum immunoglobulin G (IgG) levels via enzyme-linked immunosorbent assays (ELISA). Immunogenicity was determined by western blot assays using sera from normal mice and mice with secondary hydatid infections. The antigen's immune reactivity and diagnostic value were validated using sera of patients with hydatid disease. ELISA results confirmed that the antigen molecule induced specific IgG production in mice, resulting in significantly higher levels than those in the adjuvant and control groups (P < 0.05). The western blot results indicated that the protein was recognized by antibodies in the sera of mice with hydatid infection and the antisera of immunized mice. Quantification of protein levels in the sera of patients with hydatid disease significantly differed from levels in healthy participants (P < 0.05). These results indicate that rEG-06283 is a potential diagnostic antigen for E. granulosus infections.
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Affiliation(s)
- Yazhou Zhu
- Department of Cell Biology and Genetics, School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Tingrui Zhang
- Department of Cell Biology and Genetics, School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Yinqi Zhao
- Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Yin Wang
- Department of Neurobiology, School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Yongxue Lv
- Department of Cell Biology and Genetics, School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Shasha Li
- Department of Cell Biology and Genetics, School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Songhao Yang
- Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Mingxing Zhu
- Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China
| | - Wei Zhao
- Department of Cell Biology and Genetics, School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, Ningxia, China. .,Ningxia Key Laboratory of Prevention and Control of Common Infectious Diseases, Ningxia Medical University, Yinchuan, 750004, Ningxia, China. .,Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
| | - Qiang Wang
- Scientific Technology Center of Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
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31
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Role of Fzd6 in Regulating the Osteogenic Differentiation of Adipose-derived Stem Cells in Osteoporotic Mice. Stem Cell Rev Rep 2021; 17:1889-1904. [PMID: 34041696 DOI: 10.1007/s12015-021-10182-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/07/2021] [Indexed: 01/10/2023]
Abstract
OBJECTIVE Although it has been demonstrated that adipose-derived stem cells (ASCs) from osteoporotic mice (OP-ASCs) exhibited impaired osteogenic differentiation potential, the molecular mechanism has not yet been elucidated. We found that Fzd6 was decreased in OP-ASCs compared with ASCs. This study investigates effects and underlying mechanisms of Fzd6 in the osteogenic potential of OP-ASCs, and explores methods to enhance osteogenic capacity of OP-ASCs. METHODS Fzd6 overexpression and silencing lentiviruses were used to evaluate the role of Fzd6 in the osteogenic differentiation of OP-ASCs. Real-time PCR (qPCR) and western blotting (WB) was performed to detect the expression of Fzd6 and bone-related molecules, including runt-related transcription factor 2 (Runx2) and osteopontin (Opn). Alizarin red staining and Alkaline phosphatase (ALP) staining were performed following osteogenic induction. Microscopic CT (Micro-CT), hematoxylin and eosin staining (HE) staining, and Masson staining were used to assess the role of Fzd6 in osteogenic differentiation of osteoporosis (OP) mice in vivo. RESULTS Expression of Fzd6 was decreased significantly in OP-ASCs. Fzd6 silencing down-regulated the osteogenic ability of OP-ASCs in vitro. Overexpression of Fzd6 rescued the impaired osteogenic capacity in OP-ASCs in vitro. We obtained similar results in vivo. CONCLUSIONS Fzd6 plays an important role in regulating the osteogenic ability of OP-ASCs both in vivo and in vitro. Overexpression of Fzd6 promotes the osteogenic ability of OP-ASCs, which provides new insights for the prevention and treatment of OP mice.
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32
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Targeting Wnt Signaling in Endometrial Cancer. Cancers (Basel) 2021; 13:cancers13102351. [PMID: 34068065 PMCID: PMC8152465 DOI: 10.3390/cancers13102351] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/03/2021] [Accepted: 05/08/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Wnt has diverse regulatory roles at multiple cellular levels and numerous targeting points, and aberrant Wnt signaling has crucial roles in carcinogenesis, metastasis, cancer recurrence, and chemotherapy resistance; based on these facts, Wnt represents an appealing therapeutic target for cancer treatment. Although preclinical data supports a role for the Wnt signaling pathway in uterine carcinogenesis, this area remains understudied. In this review, we identify the functions of several oncogenes of the Wnt/β-catenin signaling pathway in tumorigenesis and address the translation approach with potent Wnt inhibitors that have already been established or are being investigated to target key components of the pathway. Further research is likely to expand the potential for both biomarker and cancer drug development. There is a scarcity of treatment choices for advanced and recurrent endometrial cancer; investigating the sophisticated connections of Wnt signaling networks in endometrial cancer could address the unmet need for new therapeutic targets. Abstract This review presents new findings on Wnt signaling in endometrial carcinoma and implications for possible future treatments. The Wnt proteins are essential mediators in cell signaling during vertebrate embryo development. Recent biochemical and genetic studies have provided significant insight into Wnt signaling, in particular in cell cycle regulation, inflammation, and cancer. The role of Wnt signaling is well established in gastrointestinal and breast cancers, but its function in gynecologic cancers, especially in endometrial cancers, has not been well elucidated. Development of a subset of endometrial carcinomas has been attributed to activation of the APC/β-catenin signaling pathway (due to β-catenin mutations) and downregulation of Wnt antagonists by epigenetic silencing. The Wnt pathway also appears to be linked to estrogen and progesterone, and new findings implicate it in mTOR and Hedgehog signaling. Therapeutic interference of Wnt signaling remains a significant challenge. Herein, we discuss the Wnt-activating mechanisms in endometrial cancer and review the current advances and challenges in drug discovery.
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33
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Imani A, Maleki N, Bohlouli S, Kouhsoltani M, Sharifi S, Maleki Dizaj S. Molecular mechanisms of anticancer effect of rutin. Phytother Res 2021; 35:2500-2513. [PMID: 33295678 DOI: 10.1002/ptr.6977] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/13/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022]
Abstract
Because of the extensive biological functions of natural substances such as bioflavonoids, and their high safety and low costs, they could have high priority application in the health care system. The antioxidant properties of rutin, a polyphenolic bioflavonoid, have been well documented and demonstrated a wide range of pharmacological applications in cancer research. Since chemotherapeutic drugs have a wide range of side effects and rutin is a safe anticancer agent with minor side effects so recent investigations are performed for study of mechanisms of its anticancer effect. Both in-vivo and in-vitro examinations on anticancer mechanisms of this natural agent have been widely carried out. Regulation of different cellular signaling pathways such as Wnt/β-catenin, p53-independent pathway, PI3K/Akt, JAK/STAT, MAPK, p53, apoptosis as well as NF-ĸB signaling pathways helps to mediate the anticancer impacts of this agent. This study tried to review the molecular mechanisms of rutin anticancer effect on various types of cancer. Deep exploration of these anticancer mechanisms can facilitate the development of this beneficial compound for its application in the treatment of different cancers.
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Affiliation(s)
- Amir Imani
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nasim Maleki
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Bohlouli
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Kouhsoltani
- Oral and Maxillofacial Department of Pathology, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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34
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Ayuso M, Irwin R, Walsh C, Van Cruchten S, Van Ginneken C. Low birth weight female piglets show altered intestinal development, gene expression, and epigenetic changes at key developmental loci. FASEB J 2021; 35:e21522. [PMID: 33734504 DOI: 10.1096/fj.202002587r] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 02/15/2021] [Accepted: 02/26/2021] [Indexed: 12/15/2022]
Abstract
Intestinal development is compromised in low birth weight (LBW) pigs, negatively impacting their growth, health, and resilience. We investigated the molecular mechanisms of the altered intestinal maturation observed in neonatal and juvenile LBW female piglets by comparing the changes in intestinal morphology, gene expression, and methylation in LBW versus normal birth weight (NBW) female piglets. A total of 16 LBW/NBW sibling pairs were sacrificed at 0 hours, 8 hours, 10 days, and 8 weeks of age. The gastrointestinal tract was weighed, measured, and the small intestine was sampled for histomorphology, gene expression, and methylation analyses. Impaired intestinal development, with shorter villi and shallower crypts, was observed in LBW female piglets. The expression of intestinal development markers (ALPI and OLFM) rapidly peaked after birth in NBW but not in LBW female piglets. The lower expression of genes involved in nutrient digestion (ANPEP and SI) and barrier function (OCLN and CLDN4) in LBW, together with their delayed development of intestinal villi and crypts could help to explain the compromised health and growth potential of LBW female piglets. The changes in methylation observed in LBW in key regulators of intestinal development (OLFM4 and FZD5) suggest long-term effects of BW on intestinal gene expression, development, and function. Accordingly, experimental demethylation induced in IPEC-J2 cells led to increased expression of intestinal genes (MGA, DPP4, and GLUT2). Overall, we have identified the alterations in transcription or epigenetic marking at a number of genes critical to intestinal development, which may contribute to both the short- and long-term failure of LBW female piglets to thrive.
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Affiliation(s)
- Miriam Ayuso
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Rachelle Irwin
- School of Biomedical Sciences, Ulster University, Coleraine, UK
| | - Colum Walsh
- School of Biomedical Sciences, Ulster University, Coleraine, UK
| | - Steven Van Cruchten
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Chris Van Ginneken
- Comparative Perinatal Development, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
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35
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Dehghanbanadaki N, Taghdir M, Naderi-Manesh H. Investigation of Atrial Natriuretic Peptide as A Competitive Inhibitory Candidate Against Wnt/β-Catenin Signalling: A Molecular Dynamics Approach. Int J Pept Res Ther 2021. [DOI: 10.1007/s10989-020-10085-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Jati S, Sengupta S, Sen M. Wnt5A-Mediated Actin Organization Regulates Host Response to Bacterial Pathogens and Non-Pathogens. Front Immunol 2021; 11:628191. [PMID: 33664738 PMCID: PMC7921742 DOI: 10.3389/fimmu.2020.628191] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 12/21/2020] [Indexed: 11/14/2022] Open
Abstract
Wnt5A signaling facilitates the killing of several bacterial pathogens, but not the non-pathogen E. coli DH5α. The basis of such pathogen vs. non-pathogen distinction is unclear. Accordingly, we analyzed the influence of Wnt5A signaling on pathogenic E. coli K1 in relation to non-pathogenic E. coli K12-MG1655 and E. coli DH5α eliminating interspecies variability from our study. Whereas cell internalized E. coli K1 disrupted cytoskeletal actin organization and multiplied during Wnt5A depletion, rWnt5A mediated activation revived cytoskeletal actin assembly facilitating K1 eradication. Cell internalized E. coli K12-MG1655 and E. coli DH5α, which did not perturb actin assembly appreciably, remained unaffected by rWnt5A treatment. Phagosomes prepared separately from Wnt5A conditioned medium treated K1 and K12-MG1655 infected macrophages revealed differences in the relative levels of actin and actin network promoting proteins, upholding that the Wnt5A-Actin axis operates differently for internalized pathogen and non-pathogen. Interestingly, exposure of rWnt5A treated K1 and K12-MG1655/DH5α infected macrophages to actin assembly inhibitors reversed the scenario, blocking killing of K1, yet promoting killing of both K12-MG1655 and DH5α. Taken together, our study illustrates that the state of activation of the Wnt5A/Actin axis in the context of the incumbent bacteria is crucial for directing host response to infection.
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Affiliation(s)
- Suborno Jati
- Division of Cancer Biology and Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Soham Sengupta
- Division of Cancer Biology and Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Malini Sen
- Division of Cancer Biology and Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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Im H, Park JH, Im S, Han J, Kim K, Lee YH. Regulatory roles of G-protein coupled receptors in adipose tissue metabolism and their therapeutic potential. Arch Pharm Res 2021; 44:133-145. [PMID: 33550564 PMCID: PMC7907040 DOI: 10.1007/s12272-021-01314-w] [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: 10/11/2020] [Accepted: 01/18/2021] [Indexed: 12/12/2022]
Abstract
The high incidence of obesity has increased the need to discover new therapeutic targets to combat obesity and obesity-related metabolic diseases. Obesity is defined as an abnormal accumulation of adipose tissue, which is one of the major metabolic organs that regulate energy homeostasis. However, there are currently no approved anti-obesity therapeutics that directly target adipose tissue metabolism. With recent advances in the understanding of adipose tissue biology, molecular mechanisms involved in brown adipose tissue expansion and metabolic activation have been investigated as potential therapeutic targets to increase energy expenditure. This review focuses on G-protein coupled receptors (GPCRs) as they are the most successful class of druggable targets in human diseases and have an important role in regulating adipose tissue metabolism. We summarize recent findings on the major GPCR classes that regulate thermogenesis and mitochondrial metabolism in adipose tissue. Improved understanding of GPCR signaling pathways that regulate these processes could facilitate the development of novel pharmacological approaches to treat obesity and related metabolic disorders.
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Affiliation(s)
- Hyeonyeong Im
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University; Bio-MAX Institute, Seoul National University, 29-Room # 311, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Ji-Hyun Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University; Bio-MAX Institute, Seoul National University, 29-Room # 311, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Seowoo Im
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University; Bio-MAX Institute, Seoul National University, 29-Room # 311, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Juhyeong Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University; Bio-MAX Institute, Seoul National University, 29-Room # 311, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Kyungmin Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University; Bio-MAX Institute, Seoul National University, 29-Room # 311, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Yun-Hee Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University; Bio-MAX Institute, Seoul National University, 29-Room # 311, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
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Dai Y, Cheng Z, Fricke DR, Zhao H, Huang W, Zhong Q, Zhu P, Zhang W, Wu Z, Lin Q, Zhu H, Liu Y, Qian T, Fu L, Cui L, Zeng T. Prognostic role of Wnt and Fzd gene families in acute myeloid leukaemia. J Cell Mol Med 2021; 25:1456-1467. [PMID: 33417298 PMCID: PMC7875934 DOI: 10.1111/jcmm.16233] [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: 05/07/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 01/18/2023] Open
Abstract
Wnt-Fzd signalling pathway plays a critical role in acute myeloid leukaemia (AML) progression and oncogenicity. There is no study to investigate the prognostic value of Wnt and Fzd gene families in AML. Our study screened 84 AML patients receiving chemotherapy only and 71 also undergoing allogeneic haematopoietic stem cell transplantation (allo-HSCT) from the Cancer Genome Atlas (TCGA) database. We found that some Wnt and Fzd genes had significant positive correlations. The expression levels of Fzd gene family were independent of survival in AML patients. In the chemotherapy group, AML patients with high Wnt2B or Wnt11 expression had significantly shorter event-free survival (EFS) and overall survival (OS); high Wnt10A expressers had significantly longer OS than the low expressers (all P < .05), whereas, in the allo-HSCT group, the expression levels of Wnt gene family were independent of survival. We further found that high expression of Wnt10A and Wnt11 had independent prognostic value, and the patients with high Wnt10A and low Wnt11 expression had the longest EFS and OS in the chemotherapy group. Pathway enrichment analysis showed that genes related to Wnt10A, Wnt11 and Wnt 2B were mainly enriched in 'cell morphogenesis involved in differentiation', 'haematopoietic cell lineage', 'platelet activation, signalling and aggregation' and 'mitochondrial RNA metabolic process' signalling pathways. Our results indicate that high Wnt2B and Wnt11 expression predict poor prognosis, and high Wnt10A expression predicts favourable prognosis in AML, but their prognostic effects could be neutralized by allo-HSCT. Combined Wnt10A and Wnt11 may be a novel prognostic marker in AML.
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Affiliation(s)
- Yifeng Dai
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhiheng Cheng
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Doerte R Fricke
- Department of Genetics, LSU Health Sciences Center, New Orleans, LA, USA
| | - Hongyou Zhao
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing, China
| | - Wenhui Huang
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qingfu Zhong
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Pei Zhu
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wenjuan Zhang
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhihua Wu
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qing Lin
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Huoyan Zhu
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yan Liu
- Translational Medicine Center, Huaihe Hospital of Henan University, Kaifeng, China
| | - Tingting Qian
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lin Fu
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.,Department of Hematology, Huaihe Hospital of Henan University, Kaifeng, China.,Guangdong Provincial Education Department Key Laboratory of Nano-Immunoregulation Tumor Microenvironment, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Longzhen Cui
- Translational Medicine Center, Huaihe Hospital of Henan University, Kaifeng, China
| | - Tiansheng Zeng
- Department of Hematology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Translational Medicine Center, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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O'Sullivan MP, Casey S, Finder M, Ahearne C, Clarke G, Hallberg B, Boylan GB, Murray DM. Up-Regulation of Nfat5 mRNA and Fzd4 mRNA as a Marker of Poor Outcome in Neonatal Hypoxic-Ischemic Encephalopathy. J Pediatr 2021; 228:74-81.e2. [PMID: 32828883 DOI: 10.1016/j.jpeds.2020.08.051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 08/17/2020] [Accepted: 08/18/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To evaluate umbilical cord messenger RNA (mRNA) expression as biomarkers for the grade of hypoxic-ischemic encephalopathy (HIE) and long-term neurodevelopment outcome. STUDY DESIGN Infants were recruited from the BiHiVE1 study, Ireland (2009-2011), and the BiHiVE2 study, Ireland, and Sweden (2013-2015). Infants with HIE were assigned modified Sarnat scores at 24 hours and followed at 18-36 months. mRNA expression from cord blood was measured using quantitative real-time polymerase chain reaction. RESULTS We studied 124 infants (controls, n = 37; perinatal asphyxia, n = 43; and HIE, n = 44). Fzd4 mRNA increased in severe HIE (median relative quantification, 2.98; IQR, 2.23-3.68) vs mild HIE (0.88; IQR, 0.46-1.37; P = .004), and in severe HIE vs moderate HIE (1.06; IQR, 0.81-1.20; P = .003). Fzd4 mRNA also increased in infants eligible for therapeutic hypothermia (1.20; IQR, 0.92-2.37) vs those who were ineligible for therapeutic hypothermia group (0.81; IQR, 0.46-1.53; P = .017). Neurodevelopmental outcome was analyzed for 56 infants. Nfat5 mRNA increased in infants with severely abnormal (1.26; IQR, 1.17-1.39) vs normal outcomes (0.97; IQR, 0.83-1.24; P = .036), and also in infants with severely abnormal vs mildly abnormal outcomes (0.96; IQR, 0.80-1.06; P = .013). Fzd4 mRNA increased in infants with severely abnormal (2.51; IQR, 1.60-3.56) vs normal outcomes (0.74; IQR, 0.48-1.49; P = .004) and in infants with severely abnormal vs mildly abnormal outcomes (0.97; IQR, 0.75-1.34; P = .026). CONCLUSIONS Increased Fzd4 mRNA expression was observed in cord blood of infants with severe HIE; Nfat5 mRNA and Fzd4 mRNA expression were increased in infants with severely abnormal long-term outcomes. These mRNA may augment current measures as early objective markers of HIE severity at delivery.
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Affiliation(s)
- Marc Paul O'Sullivan
- INFANT Research Centre, Ireland; Department of Paediatrics and Child Health, University College Cork, Cork, Ireland; National Children's Research Centre, Crumlin, Dublin, Ireland.
| | - Sophie Casey
- INFANT Research Centre, Ireland; Department of Paediatrics and Child Health, University College Cork, Cork, Ireland
| | - Mikael Finder
- Department of Clinical Science, Intervention, and Technology, Karolinska Institutet, Stockholm, Sweden; Neonatal Department, Karolinska University Hospital, Stockholm, Sweden
| | - Caroline Ahearne
- INFANT Research Centre, Ireland; Department of Paediatrics and Child Health, University College Cork, Cork, Ireland
| | - Gerard Clarke
- INFANT Research Centre, Ireland; Department of Psychiatry and Neurobehavioural Science, University College Cork, Cork, Ireland; APC Microbiome, Ireland, University College Cork, Cork, Ireland
| | - Boubou Hallberg
- Department of Clinical Science, Intervention, and Technology, Karolinska Institutet, Stockholm, Sweden; Neonatal Department, Karolinska University Hospital, Stockholm, Sweden
| | - Geraldine B Boylan
- INFANT Research Centre, Ireland; Department of Paediatrics and Child Health, University College Cork, Cork, Ireland
| | - Deirdre M Murray
- INFANT Research Centre, Ireland; Department of Paediatrics and Child Health, University College Cork, Cork, Ireland; National Children's Research Centre, Crumlin, Dublin, Ireland
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40
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Deconvolution of WNT-induced Frizzled conformational dynamics with fluorescent biosensors. Biosens Bioelectron 2020; 177:112948. [PMID: 33486136 DOI: 10.1016/j.bios.2020.112948] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 12/25/2020] [Indexed: 02/07/2023]
Abstract
The G protein-coupled receptors Frizzled1-10 (FZD1-10) act as molecular checkpoints mediating intracellular signaling induced by 19 mammalian, secreted Wingless/Int-1 lipoglycoproteins (WNTs). Despite the vital roles of these signaling components in health and disease, our knowledge about WNT/FZD selectivity, and the mechanisms of receptor activation and intracellular signal propagation by individual ligand/receptor pairs is limited due to the current lack of suitable biophysical techniques. Here, we developed fluorescence-based biosensors that detect WNT-induced FZD conformational changes in living cells in order to assess WNT action via FZDs at the most proximal level, i.e. the receptor conformation. By testing a panel of recombinant ligands on conformational biosensors representing all four homology clusters of FZDs, we discover yet unappreciated selectivities of WNTs to their receptors and, surprisingly, identify distinct ligand-induced receptor conformations. Furthermore, we demonstrate that FZDs can undergo conformational changes upon WNT binding without being dependent on the WNT co-receptors LRP5/6. This sensor toolbox provides an advanced platform for a thorough investigation of the 190 possible WNT/FZD pairings and for future screening campaigns targeting synthetic FZD ligands. Furthermore, our findings shed new light on the complexity of the WNT/FZD signaling system and have substantial implications for our understanding of fundamental biological processes including embryonal development and tumorigenesis.
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41
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Agostino M, Pohl SÖG. Activation barriers in Class F G protein-coupled receptors revealed by umbrella sampling simulations. Org Biomol Chem 2020; 18:9816-9825. [PMID: 33290484 DOI: 10.1039/d0ob02175j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The Class F G protein-coupled receptors (GPCRs) include Smoothened and the ten Frizzled receptors, which are major cell membrane receptors in the Hedgehog and Wnt signalling pathways respectively and of enormous interest in embryonic development and as therapeutic targets in cancer. Recent crystal structures of Smoothened provide the opportunity to investigate the structural biology of Class F GPCRs in more detail, in turn, informing the development of therapeutics. A key question in this area is how one receptor may trigger distinct pathways - particularly relevant for Wnt signalling, in which signals may be transduced from a Frizzled via Dishevelled or G proteins, depending on the context. In this study, we employ adiabatic biased molecular dynamics and umbrella sampling to investigate the activation of Smoothened and Frizzled-7 in both the native state and bound to endogenous ligands, as well as how the clinically used Smoothened antagonist vismodegib alters this signalling. The results highlight key energetic barriers in the activation of these receptors, and the molecular features of the receptors mediating these barriers, demonstrating our approach as a robust means of investigating signalling through these receptors.
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Affiliation(s)
- Mark Agostino
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute (CHIRI), and Curtin Institute for Computation, Curtin University, Bentley, Western Australia, Australia.
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42
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Hariharan A, Weir N, Robertson C, He L, Betsholtz C, Longden TA. The Ion Channel and GPCR Toolkit of Brain Capillary Pericytes. Front Cell Neurosci 2020; 14:601324. [PMID: 33390906 PMCID: PMC7775489 DOI: 10.3389/fncel.2020.601324] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022] Open
Abstract
Brain pericytes reside on the abluminal surface of capillaries, and their processes cover ~90% of the length of the capillary bed. These cells were first described almost 150 years ago (Eberth, 1871; Rouget, 1873) and have been the subject of intense experimental scrutiny in recent years, but their physiological roles remain uncertain and little is known of the complement of signaling elements that they employ to carry out their functions. In this review, we synthesize functional data with single-cell RNAseq screens to explore the ion channel and G protein-coupled receptor (GPCR) toolkit of mesh and thin-strand pericytes of the brain, with the aim of providing a framework for deeper explorations of the molecular mechanisms that govern pericyte physiology. We argue that their complement of channels and receptors ideally positions capillary pericytes to play a central role in adapting blood flow to meet the challenge of satisfying neuronal energy requirements from deep within the capillary bed, by enabling dynamic regulation of their membrane potential to influence the electrical output of the cell. In particular, we outline how genetic and functional evidence suggest an important role for Gs-coupled GPCRs and ATP-sensitive potassium (KATP) channels in this context. We put forth a predictive model for long-range hyperpolarizing electrical signaling from pericytes to upstream arterioles, and detail the TRP and Ca2+ channels and Gq, Gi/o, and G12/13 signaling processes that counterbalance this. We underscore critical questions that need to be addressed to further advance our understanding of the signaling topology of capillary pericytes, and how this contributes to their physiological roles and their dysfunction in disease.
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Affiliation(s)
- Ashwini Hariharan
- Department of Physiology, School of Medicine, University of Maryland, Baltimore, MD, United States
| | - Nick Weir
- Department of Physiology, School of Medicine, University of Maryland, Baltimore, MD, United States
| | - Colin Robertson
- Department of Physiology, School of Medicine, University of Maryland, Baltimore, MD, United States
| | - Liqun He
- Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Christer Betsholtz
- Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden.,Department of Medicine Huddinge (MedH), Karolinska Institutet & Integrated Cardio Metabolic Centre, Huddinge, Sweden
| | - Thomas A Longden
- Department of Physiology, School of Medicine, University of Maryland, Baltimore, MD, United States
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43
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González P, González-Fernández C, Campos-Martín Y, Mollejo M, Carballosa-Gautam M, Marcillo A, Norenberg M, Rodríguez FJ. Frizzled 1 and Wnt1 as new potential therapeutic targets in the traumatically injured spinal cord. Cell Mol Life Sci 2020; 77:4631-4662. [PMID: 31900623 PMCID: PMC11104978 DOI: 10.1007/s00018-019-03427-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 11/21/2019] [Accepted: 12/13/2019] [Indexed: 12/11/2022]
Abstract
Despite the experimental evidence pointing to a significant role of the Wnt family of proteins in physiological and pathological rodent spinal cord functioning, its potential relevance in the healthy and traumatically injured human spinal cord as well as its therapeutic potential in spinal cord injury (SCI) are still poorly understood. To get further insight into these interesting issues, we first demonstrated by quantitative Real-Time PCR and simple immunohistochemistry that detectable mRNA expression of most Wnt components, as well as protein expression of all known Wnt receptors, can be found in the healthy human spinal cord, supporting its potential involvement in human spinal cord physiology. Moreover, evaluation of Frizzled (Fz) 1 expression by double immunohistochemistry showed that its spatio-temporal and cellular expression pattern in the traumatically injured human spinal cord is equivalent to that observed in a clinically relevant model of rat SCI and suggests its potential involvement in SCI progression/outcome. Accordingly, we found that long-term lentiviral-mediated overexpression of the Fz1 ligand Wnt1 after rat SCI improves motor functional recovery, increases myelin preservation and neuronal survival, and reduces early astroglial reactivity and NG2+ cell accumulation, highlighting the therapeutic potential of Wnt1 in this neuropathological situation.
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Affiliation(s)
- Pau González
- Laboratory of Molecular Neurology, Hospital Nacional de Parapléjicos, Toledo, Spain.
| | | | | | - Manuela Mollejo
- Department of Pathology, Hospital Virgen de La Salud, Toledo, Spain
| | | | - Alexander Marcillo
- Department of Pathology, University of Miami School of Medicine, Miami, USA
| | - Michael Norenberg
- Department of Pathology, University of Miami School of Medicine, Miami, USA
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Khotimchenko M, Tiasto V, Kalitnik A, Begun M, Khotimchenko R, Leonteva E, Bryukhovetskiy I, Khotimchenko Y. Antitumor potential of carrageenans from marine red algae. Carbohydr Polym 2020; 246:116568. [DOI: 10.1016/j.carbpol.2020.116568] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 06/01/2020] [Accepted: 06/02/2020] [Indexed: 12/17/2022]
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45
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Liu X, Low SK, Atkins JR, Wu JQ, Reay WR, Cairns HM, Green MJ, Schall U, Jablensky A, Mowry B, Michie PT, Catts SV, Henskens F, Pantelis C, Loughland C, Boddy AV, Tooney PA, Scott RJ, Carr VJ, Cairns MJ. Wnt receptor gene FZD1 was associated with schizophrenia in genome-wide SNP analysis of the Australian Schizophrenia Research Bank cohort. Aust N Z J Psychiatry 2020; 54:902-908. [PMID: 31735061 DOI: 10.1177/0004867419885443] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVES Large-scale genetic analysis of common variation in schizophrenia has been a powerful approach to understanding this complex but highly heritable psychotic disorder. To further investigate loci, genes and pathways associated more specifically in the well-characterized Australian Schizophrenia Research Bank cohort, we applied genome-wide single-nucleotide polymorphism analysis in these three annotation categories. METHODS We performed a case-control genome-wide association study in 429 schizophrenia samples and 255 controls. Post-genome-wide association study analyses were then integrated with genomic annotations to explore the enrichment of variation at the gene and pathway level. We also examine candidate single-nucleotide polymorphisms with potential function within expression quantitative trait loci and investigate overall enrichment of variation within tissue-specific functional regulatory domains of the genome. RESULTS The strongest finding (p = 2.01 × 10-6, odds ratio = 1.82, 95% confidence interval = [1.42, 2.33]) in genome-wide association study was with rs10252923 at 7q21.13, downstream of FZD1 (frizzled class receptor 1). While this did not stand alone after correction, the involvement of FZD1 was supported by gene-based analysis, which exceeded the threshold for genome-wide significance (p = 2.78 × 10-6). CONCLUSION The identification of FZD1, as an independent association signal at the gene level, supports the hypothesis that the Wnt signalling pathway is altered in the pathogenesis of schizophrenia and may be an important target for therapeutic development.
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Affiliation(s)
- Xiaoman Liu
- School of Pharmacy, The University of Sydney, Sydney, NSW, Australia
| | - Siew-Kee Low
- School of Pharmacy, The University of Sydney, Sydney, NSW, Australia.,Project for Immunogenomics, Cancer Precision Medicine Center, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Joshua R Atkins
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,Centre for Brain & Mental Health Research, The University of Newcastle, Callaghan, NSW, Australia
| | - Jing Qin Wu
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, Australia.,Centre for Brain & Mental Health Research, The University of Newcastle, Callaghan, NSW, Australia.,School of Life and Environmental Sciences, Faculty of Science, The University of Sydney
| | - William R Reay
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,Centre for Brain & Mental Health Research, The University of Newcastle, Callaghan, NSW, Australia
| | - Heath M Cairns
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,Centre for Brain & Mental Health Research, The University of Newcastle, Callaghan, NSW, Australia
| | - Melissa J Green
- School of Psychiatry, University of New South Wales, Sydney, NSW, Australia.,Neuroscience Research Australia, Sydney, NSW, Australia
| | - Ulrich Schall
- Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,Centre for Brain & Mental Health Research, The University of Newcastle, Callaghan, NSW, Australia.,School of Medicine and Public Health, The University of Newcastle, Callaghan, NSW, Australia
| | - Assen Jablensky
- Centre for Clinical Research in Neuropsychiatry, The University of Western Australia, Perth, WA, Australia
| | - Bryan Mowry
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia.,Queensland Centre for Mental Health Research, The University of Queensland, Brisbane, QLD, Australia
| | - Patricia T Michie
- Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,School of Psychology, Faculty of Science, The University of Newcastle, Callaghan, NSW, Australia
| | - Stan V Catts
- Brain and Mind Centre, The University of Sydney, Sydney, NSW, Australia.,School of Medicine, University of Queensland, Herston, QLD Australia
| | - Frans Henskens
- Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,School of Medicine and Public Health, The University of Newcastle, Callaghan, NSW, Australia.,Priority Research Centre for Health Behaviour and Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW, Australia
| | - Christos Pantelis
- Melbourne Neuropsychiatry Centre, The University of Melbourne and Melbourne Health, Carlton, VIC, Australia.,The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia.,NorthWestern Mental Health, Sunshine Hospital, St Albans, VIC, Australia.,Centre for Neural Engineering, Department of Electrical and Electronic Engineering, The University of Melbourne, Carlton, VIC, Australia
| | - Carmel Loughland
- Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,School of Medicine and Public Health, The University of Newcastle, Callaghan, NSW, Australia.,School of Psychology, Faculty of Science, The University of Newcastle, Callaghan, NSW, Australia.,Hunter New England Health, Newcastle, NSW, Australia
| | - Alan V Boddy
- School of Pharmacy, The University of Sydney, Sydney, NSW, Australia.,School of Pharmacy and Medical Sciences, UniSA Cancer Research Institute, University of South Australia, Adelaide, SA, Australia
| | - Paul A Tooney
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,Centre for Brain & Mental Health Research, The University of Newcastle, Callaghan, NSW, Australia
| | - Rodney J Scott
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,NSW Health Pathology, Newcastle, Australia
| | - Vaughan J Carr
- School of Psychiatry, University of New South Wales, Sydney, NSW, Australia.,Neuroscience Research Australia, Sydney, NSW, Australia.,Department of Psychiatry, School of Clinical Sciences, Monash University, Melbourne, VIC, Australia
| | - Murray J Cairns
- School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW, Australia.,Hunter Medical Research Institute, Newcastle, New South Wales, Australia.,Centre for Brain & Mental Health Research, The University of Newcastle, Callaghan, NSW, Australia
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46
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Stanchfield ML, Webster SE, Webster MK, Linn CL. Involvement of HB-EGF/Ascl1/Lin28a Genes in Dedifferentiation of Adult Mammalian Müller Glia. Front Mol Biosci 2020; 7:200. [PMID: 32923455 PMCID: PMC7457012 DOI: 10.3389/fmolb.2020.00200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 07/24/2020] [Indexed: 12/14/2022] Open
Abstract
Previous studies from this lab have determined that dedifferentiation of Müller glia occurs after eye drop application of an α7 nicotinic acetylcholine receptor (nAChR) agonist, PNU-282987, to the adult rodent eye. PNU-282987 acts on α7 nAChRs on retinal pigment epithelial cells to stimulate production of Müller-derived progenitor cells (MDPCs) and ultimately lead to neurogenesis. This current study was designed to test the hypothesis that the activation of genes involved in the HB-EGF/Ascl1/Lin28a signaling pathway in Müller glia leads to the genesis of MDPCs. RNA-seq was performed on a Müller glial cell line (rMC-1) following contact with supernatant collected from a retinal pigment epithelial (RPE) cell line treated with PNU-282987. Differentially regulated genes were compared with published literature of Müller glia dedifferentiation that occurs in lower vertebrate regeneration and early mammalian development. HB-EGF was significantly up-regulated by 8 h and expression increased through 12 h. By 48 h, up-regulation of Ascl1 and Lin28a was observed, two genes known to be rapidly induced in dedifferentiating zebrafish Müller glia. Up-regulation of other genes known to be involved in mammalian development and zebrafish regeneration were also observed, as well as down-regulation of some factors necessary for Müller glia cell identity. RNA-seq results were verified using qRT-PCR. Using immunocytochemistry, the presence of markers associated with MDCP identity, Otx2, Nestin, and Vsx2, were found to be expressed in the 48 h treatment group cultures. This study is novel in its demonstration that Müller glia in adult rodents can be induced into regenerative activity by stimulating genes involved in the HB-EGF/Ascl1/Lin28a pathway that leads to MDPCs after introducing conditioned media from PNU-282987 treated RPE. This study furthers our understanding of the mechanism by which Müller glia dedifferentiate in response to PNU-282987 in the adult mammalian retina.
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Affiliation(s)
| | | | | | - Cindy L. Linn
- Department of Biological Sciences, Western Michigan University, Kalamazoo, MI, United States
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47
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Michelli M, Zougros A, Chatziandreou I, Michalopoulos NV, Lazaris AC, Saetta AA. Concurrent Wnt pathway component expression in breast and colorectal cancer. Pathol Res Pract 2020; 216:153005. [PMID: 32534708 DOI: 10.1016/j.prp.2020.153005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 04/27/2020] [Accepted: 05/07/2020] [Indexed: 02/07/2023]
Abstract
Wnt signaling pathway regulates important cell functions such as proliferation and migration and is frequently deregulated in colorectal and breast cancer. Thus, it constitutes an attractive therapeutic target with many drugs being investigated in clinical trials. Eighty-two breast and 102 colorectal carcinomas were analyzed for: relative mRNA expression levels of Wnt pathway components namely Wnt3 ligand, Frizzled 7 receptor and LEF1 transcriptional factor, their concurrent expression patterns and their correlation with clinicopathological features. Regarding breast carcinomas, increased relative mRNA expression levels of WNT3 were found in 54 % of cases whereas decreased relative mRNA expression levels were observed in FZD7 and LEF1 in 82 % and 43 % of cases, respectively. Expression levels of WNT3 were significantly correlated with tumour grade (p = 0.021) in breast cancer. As far as colorectal carcinomas are concerned, increased relative mRNA expression levels of WNT3, FZD7 and LEF1 were found in 60 %, 37 % and 48 % of cases respectively. A statistically significant correlation emerged between LEF1expression levels and pT-category (p = 0.027), suggesting a possible association with tumour aggressiveness in colorectal carcinomas. Statistically significant linear correlations were observed between the expression of WNT3/LEF1 (R = 0.233, p = 0.035) and FZD7/LEF1 (R = 0.359, p = 0.001) in breast carcinomas as well as in colorectal carcinomas (R = 0.536, p < 0.01 and R = 0.210, p = 0.034) respectively. Our results demonstrate a possible clinical significance of Wnt pathway gene expression levels in both tumour types. The distinct expression patterns and simultaneous expression of the investigated genes underscore the complexity of this pathway in breast and colorectal carcinogenesis and highlights the necessity of patient selection with regard to the effectiveness of Wnt pathway inhibitors.
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Affiliation(s)
- Maria Michelli
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, Athens, Greece
| | - Alexandros Zougros
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, Athens, Greece
| | - Ilenia Chatziandreou
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, Athens, Greece
| | - Nikolaos V Michalopoulos
- Fourth Department of Surgery, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, Rimini 1, Haidari, Athens, Greece
| | - Andreas C Lazaris
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, Athens, Greece
| | - Angelica A Saetta
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, Athens, Greece.
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48
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Saikia S, Bordoloi M, Sarmah R. Established and In-trial GPCR Families in Clinical Trials: A Review for Target Selection. Curr Drug Targets 2020; 20:522-539. [PMID: 30394207 DOI: 10.2174/1389450120666181105152439] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/28/2018] [Accepted: 10/22/2018] [Indexed: 12/14/2022]
Abstract
The largest family of drug targets in clinical trials constitute of GPCRs (G-protein coupled receptors) which accounts for about 34% of FDA (Food and Drug Administration) approved drugs acting on 108 unique GPCRs. Factors such as readily identifiable conserved motif in structures, 127 orphan GPCRs despite various de-orphaning techniques, directed functional antibodies for validation as drug targets, etc. has widened their therapeutic windows. The availability of 44 crystal structures of unique receptors, unexplored non-olfactory GPCRs (encoded by 50% of the human genome) and 205 ligand receptor complexes now present a strong foundation for structure-based drug discovery and design. The growing impact of polypharmacology for complex diseases like schizophrenia, cancer etc. warrants the need for novel targets and considering the undiscriminating and selectivity of GPCRs, they can fulfill this purpose. Again, natural genetic variations within the human genome sometimes delude the therapeutic expectations of some drugs, resulting in medication response differences and ADRs (adverse drug reactions). Around ~30 billion US dollars are dumped annually for poor accounting of ADRs in the US alone. To curb such undesirable reactions, the knowledge of established and currently in clinical trials GPCRs families can offer huge understanding towards the drug designing prospects including "off-target" effects reducing economical resource and time. The druggability of GPCR protein families and critical roles played by them in complex diseases are explained. Class A, class B1, class C and class F are generally established family and GPCRs in phase I (19%), phase II(29%), phase III(52%) studies are also reviewed. From the phase I studies, frizzled receptors accounted for the highest in trial targets, neuropeptides in phase II and melanocortin in phase III studies. Also, the bioapplications for nanoparticles along with future prospects for both nanomedicine and GPCR drug industry are discussed. Further, the use of computational techniques and methods employed for different target validations are also reviewed along with their future potential for the GPCR based drug discovery.
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Affiliation(s)
- Surovi Saikia
- Natural Products Chemistry Group, CSIR North East Institute of Science & Technology, Jorhat-785006, Assam, India
| | - Manobjyoti Bordoloi
- Natural Products Chemistry Group, CSIR North East Institute of Science & Technology, Jorhat-785006, Assam, India
| | - Rajeev Sarmah
- Allied Health Sciences, Assam Down Town University, Panikhaiti, Guwahati 781026, Assam, India
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49
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Flores-Hernández E, Velázquez DM, Castañeda-Patlán MC, Fuentes-García G, Fonseca-Camarillo G, Yamamoto-Furusho JK, Romero-Avila MT, García-Sáinz JA, Robles-Flores M. Canonical and non-canonical Wnt signaling are simultaneously activated by Wnts in colon cancer cells. Cell Signal 2020; 72:109636. [PMID: 32283254 DOI: 10.1016/j.cellsig.2020.109636] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 04/06/2020] [Accepted: 04/09/2020] [Indexed: 12/26/2022]
Abstract
The Wnt signaling pathway is a crucial regulator of the intestinal epithelium homeostasis and is altered in most colon cancers. While the role of aberrant canonical, β-catenin-dependent Wnt signaling has been well established in colon cancer promotion, much less is known about the role played by noncanonical, β-catenin-independent Wnt signaling in this type of cancer. This work aimed to characterize the noncanonical signal transduction pathway in colon cancer cells. To this end, we used the prototype noncanonical ligand, Wnt5a, in comparison with Wnt3a, the prototype of a canonical β-catenin activating ligand. The analysis of the expression profile of Wnt receptors in colon cancer cell lines showed a clear increase in both level expression and variety of Frizzled receptor types expressed in colon cancer cells compared with non-malignant cells. We found that Wnt5a activates a typical Wnt/Ca++ - noncanonical signaling pathway in colon malignant cells, inducing the hyperphosphorylation of Dvl1, Dvl2 and Dvl3, promoting Ca++ mobilization as a result of phospholipase C (PLC) activation via pertussis toxin-sensitive G-protein, and inducing PLC-dependent cell migration. We also found that while the co-receptor Ror2 tyrosine kinase activity is not required for Ca++ mobilization-induced by Wnt5a, it is required for the inhibitory effects of Wnt5a on the β-catenin-dependent transcriptional activity. Unexpectedly, we found that although the prototype canonical Wnt3a ligand was unique in stimulating the β-catenin-dependent transcriptional activity, it also simultaneously activated PLC, promoted Ca++ mobilization, and induced Rho kinase and PLC-dependent cell migration. Our data indicate, therefore, that a Wnt ligand can activate at the same time the so-called Wnt canonical and noncanonical pathways inducing the formation of complex signaling networks to integrate both pathways in colon cancer cells.
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Affiliation(s)
- Eric Flores-Hernández
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Dora M Velázquez
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - M Cristina Castañeda-Patlán
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Gabriela Fuentes-García
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Gabriela Fonseca-Camarillo
- Inflammatory Bowel Disease Clinic, Department of Gastroenterology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Jesús K Yamamoto-Furusho
- Inflammatory Bowel Disease Clinic, Department of Gastroenterology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - M Teresa Romero-Avila
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - J Adolfo García-Sáinz
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Martha Robles-Flores
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico.
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50
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Espósito ACC, Brianezi G, de Souza NP, Miot LDB, Miot HA. Exploratory Study of Epidermis, Basement Membrane Zone, Upper Dermis Alterations and Wnt Pathway Activation in Melasma Compared to Adjacent and Retroauricular Skin. Ann Dermatol 2020; 32:101-108. [PMID: 33911720 PMCID: PMC7992552 DOI: 10.5021/ad.2020.32.2.101] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 11/17/2019] [Accepted: 11/22/2019] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Melasma is a chronic acquired focal hypermelanosis which pathogenesis has not been fully elucidated. Classical pathophysiologic studies have analysed the affected and perilesional areas, but little is known about the status of sun-protected skin, which is subjected to the same endogenous and genetic factors. OBJECTIVE To assess the histological characteristics of melasma compared to adjacent and retroauricular skin. METHODS Skin samples were collected from 10 female from: melasma, perilesional area and retroauricular. The samples were stained (haematoxylin-eosin, periodic acid-Schiff, Fontana-Masson, picrosirius red, toluidine blue and Verhoeff), immunolabelled for CD34 and Wnt1. The data from the skin sites were analysed simultaneously by a multivariate model. RESULTS Melasma skin exhibited noteworthy stratum corneum compaction, greater collagen heterogeneity, solar elastosis, higher number of mast cells, basement membrane zone (BMZ) damage, Wnt1 expression, pendulum melanocytes, higher cellularity and vascular proliferation at the superficial dermis. Stratum corneum compaction, collagen heterogeneity and BMZ abnormalities were variables associated to melasma that not follow a continuum through retroauricular to adjacent skin. Mast cell count was the variable that disclosed correlation with the most other abnormalities as well as had the greater contribution in the multivariate model. CONCLUSION In addition to melanocyte hyperactivity, melasma skin exhibits alterations in the epidermal barrier, upper dermis and BMZ, which differ from the adjacent sun-exposed skin and retroauricular skin, indicating a distinct phenotype, rather than a mere extension of photoageing or intrinsic ageing. Mast cells appear to play a central role in the physiopathology of melasma.
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Affiliation(s)
| | - Gabrielli Brianezi
- Department of Dermatology and Radioterapy, Botucatu School of Medicine, São Paulo State University, Botucatu, Brazil
| | - Nathália Pereira de Souza
- Department of Dermatology and Radioterapy, Botucatu School of Medicine, São Paulo State University, Botucatu, Brazil
| | - Luciane Donida Bartoli Miot
- Department of Dermatology and Radioterapy, Botucatu School of Medicine, São Paulo State University, Botucatu, Brazil
| | - Hélio Amante Miot
- Department of Dermatology and Radioterapy, Botucatu School of Medicine, São Paulo State University, Botucatu, Brazil
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