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Chuan J, Li W, Pan S, Jiang Z, Shi J, Yang Z. Progress in the development of modulators targeting Frizzleds. Pharmacol Res 2024; 206:107286. [PMID: 38936522 DOI: 10.1016/j.phrs.2024.107286] [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: 03/19/2024] [Revised: 06/08/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024]
Abstract
The Frizzleds (FZDs) receptors on the cell surface belong to the class F of G protein-coupled receptors (GPCRs) which are the major receptors of WNT protein that mediates the classical WNT signaling pathway and other non-classical pathways. Besides, the FZDs also play a core role in tissue regeneration and tumor occurrence. With the structure and mechanism of FZDs activation becoming clearer, a series of FZDs modulators (inhibitors and agonists) have been developed, with the hope of bringing benefits to the treatment of cancer and degenerative diseases. Most of the FZDs inhibitors (small molecules, antibodies or designed protein inhibitors) block WNT signaling through binding to the cysteine-rich domain (CRD) of FZDs. Several small molecules impede FZDs activation by targeting to the third intracellular domain or the transmembrane domain of FZDs. However, three small molecules (FZM1.8, SAG1.3 and purmorphamine) activate the FZDs through direct interaction with the transmembrane domain. Another type of FZDs agonists are bivalent or tetravalent antibodies which activate the WNT signaling via inducing FZD-LRP5/6 heterodimerization. In this article, we reviewed the FZDs modulators reported in recent years, summarized the critical molecules' discovery processes and the elucidated relevant structural and pharmacological mechanisms. We believe the summaried molecular mechanisms of the relevant modulators could provide important guidance and reference for the future development of FZD modulators.
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Affiliation(s)
- Junlan Chuan
- Sichuan Provincial Key Laboratory for Human Disease Gene Study and Personalized Drug Therapy Key Laboratory of Sichuan Province, Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Wei Li
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9, Section 4, Renmin South Road, Chengdu 610041, China; The University of Chinese Academy of Sciences, 380 Huaibeizhuang, Huairou District, Beijing 101408, China
| | - Shengliu Pan
- Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9, Section 4, Renmin South Road, Chengdu 610041, China; The University of Chinese Academy of Sciences, 380 Huaibeizhuang, Huairou District, Beijing 101408, China
| | - Zhongliang Jiang
- Hematology Department, Miller School of Medicine, University of Miami, USA
| | - Jianyou Shi
- Sichuan Provincial Key Laboratory for Human Disease Gene Study and Personalized Drug Therapy Key Laboratory of Sichuan Province, Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
| | - Zhenglin Yang
- Research Unit for Blindness Prevention, Chinese Academy of Medical Sciences (2019RU026), Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, Sichuan, China; Jinfeng Laboratory, Chongqing, China.
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2
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Kirti A, Simnani FZ, Jena S, Lenka SS, Kalalpitiya C, Naser SS, Singh D, Choudhury A, Sahu RN, Yadav A, Sinha A, Nandi A, Panda PK, Kaushik NK, Suar M, Verma SK. Nanoparticle-mediated metronomic chemotherapy in cancer: A paradigm of precision and persistence. Cancer Lett 2024; 594:216990. [PMID: 38801886 DOI: 10.1016/j.canlet.2024.216990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 03/05/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
Current methods of cancer therapy have demonstrated enormous potential in tumor inhibition. However, a high dosage regimen of chemotherapy results in various complications which affect the normal body cells. Tumor cells also develop resistance against the prescribed drugs in the whole treatment regimen increasing the risk of cancer relapse. Metronomic chemotherapy is a modern treatment method that involves administering drugs at low doses continuously, allowing the drug sufficient time to take its effect. This method ensures that the toxicity of the drugs is to a minimum in comparison to conventional chemotherapy. Nanoparticles have shown efficacy in delivering drugs to the tumor cells in various cancer therapies. Combining nanoparticles with metronomic chemotherapy can yield better treatment results. This combination stimulates the immune system, improving cancer cells recognition by immune cells. Evidence from clinical and pre-clinical trials supports the use of metronomic delivery for drug-loaded nanoparticles. This review focuses on the functionalization of nanoparticles for improved drug delivery and inhibition of tumor growth. It emphasizes the mechanisms of metronomic chemotherapy and its conjunction with nanotechnology. Additionally, it explores tumor progression and the current methods of chemotherapy. The challenges associated with nano-based metronomic chemotherapy are outlined, paving the way for prospects in this dynamic field.
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Affiliation(s)
- Apoorv Kirti
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | | | - Snehasmita Jena
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | - Sudakshya S Lenka
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | | | | | - Dibyangshee Singh
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | - Anmol Choudhury
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | - Rudra Narayan Sahu
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | - Anu Yadav
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | - Adrija Sinha
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India
| | - Aditya Nandi
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India; Instituto de Investigaciones en Materiales, UNAM, 04510, CDMX, Mexico
| | - Pritam Kumar Panda
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20, Uppsala, Sweden
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul, 01897, Republic of Korea.
| | - Mrutyunjay Suar
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India.
| | - Suresh K Verma
- KIIT School of Biotechnology, KIIT University, Bhubaneswar, 751024, India.
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Campos RC, Matsunaga K, Reid MW, Fernandez GE, Stepanian K, Bharathan SP, Li M, Thornton ME, Grubbs BH, Nagiel A. Non-canonical Wnt pathway expression in the developing mouse and human retina. Exp Eye Res 2024; 244:109947. [PMID: 38815793 PMCID: PMC11179970 DOI: 10.1016/j.exer.2024.109947] [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: 11/21/2023] [Revised: 05/13/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
The non-canonical Wnt pathway is an evolutionarily conserved pathway essential for tissue patterning and development across species and tissues. In mammals, this pathway plays a role in neuronal migration, dendritogenesis, axon growth, and synapse formation. However, its role in development and synaptogenesis of the human retina remains less established. In order to address this knowledge gap, we analyzed publicly available single-cell RNA sequencing (scRNAseq) datasets for mouse retina, human retina, and human retinal organoids over multiple developmental time points during outer retinal maturation. We identified ligands, receptors, and mediator genes with a putative role in retinal development, including those with novel or species-specific expression, and validated this expression using fluorescence in situ hybridization (FISH). By quantifying outer nuclear layer (ONL) versus inner nuclear layer (INL) expression, we provide evidence for the differential expression of certain non-canonical Wnt signaling components in the developing mouse and human retina during outer plexiform layer (OPL) development. Importantly, we identified distinct expression patterns of mouse and human FZD3 and WNT10A, as well as previously undescribed expression, such as for mouse Wnt2b in Chat+ starburst amacrine cells. Human retinal organoids largely recapitulated the human non-canonical Wnt pathway expression. Together, this work provides the basis for further study of non-canonical Wnt signaling in mouse and human retinal development and synaptogenesis.
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Affiliation(s)
- Rosanna C Campos
- The Vision Center, Department of Surgery, Children's Hospital Los Angeles, Los Angeles, CA, USA; Department of Development, Stem Cells and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Kate Matsunaga
- Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Mark W Reid
- The Vision Center, Department of Surgery, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - G Esteban Fernandez
- The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Kayla Stepanian
- The Vision Center, Department of Surgery, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Sumitha P Bharathan
- The Vision Center, Department of Surgery, Children's Hospital Los Angeles, Los Angeles, CA, USA; The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Meng Li
- USC Libraries Bioinformatics Services, University of Southern California, Los Angeles, CA, USA
| | - Matthew E Thornton
- Maternal-Fetal Medicine Division, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Brendan H Grubbs
- Maternal-Fetal Medicine Division, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Aaron Nagiel
- The Vision Center, Department of Surgery, Children's Hospital Los Angeles, Los Angeles, CA, USA; The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, CA, USA; Roski Eye Institute, Department of Ophthalmology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
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4
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Jin F, Lin Y, Yuan W, Wu S, Yang M, Ding S, Liu J, Chen Y. Recent advances in c-Met-based dual inhibitors in the treatment of cancers. Eur J Med Chem 2024; 272:116477. [PMID: 38733884 DOI: 10.1016/j.ejmech.2024.116477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/03/2024] [Accepted: 05/03/2024] [Indexed: 05/13/2024]
Abstract
The cellular-mesenchymal epithelial transition factor (c-Met) is a receptor tyrosine kinase (RTK) located on the 7q31 locus encoding the Met proto-oncogene and plays a critical role in regulating cell proliferation, metastasis, differentiation, and apoptosis through various signaling pathways. However, its aberrant activation and overexpression have been implicated in many human cancers. Therefore, c-Met is a promising target for cancer treatment. However, the anticancer effect of selective single-targeted drugs is limited due to the complexity of the signaling system and the involvement of different proteins and enzymes. After inhibiting one pathway, signal molecules can be transmitted through other pathways, resulting in poor efficacy of single-targeted drug therapy. Dual inhibitors that simultaneously block c-Met and another factor can significantly improve efficacy and overcome some of the shortcomings of single-target inhibitors, including drug resistance. In this review, We introduced c-Met kinase and the synergism between c-Met and other anti-tumor targets, then dual-target inhibitors based on c-Met for the treatment of cancers were summarized and their design concepts and structure-activity relationships (SARs) were discussed elaborately, providing a valuable insight for the further development of novel c-Met-based dual inhibitors.
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Affiliation(s)
- Fanqi Jin
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China
| | - Yihan Lin
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China
| | - Weidong Yuan
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China
| | - Shuang Wu
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China
| | - Min Yang
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China
| | - Shi Ding
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China; API Engineering Technology Research Center of Liaoning Province, Shenyang, Liaoning, 110036, PR China; Small Molecular Targeted Drug R&D Engineering Research Center of Liaoning Province, Shenyang, Liaoning, 110036, PR China
| | - Ju Liu
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China; API Engineering Technology Research Center of Liaoning Province, Shenyang, Liaoning, 110036, PR China; Small Molecular Targeted Drug R&D Engineering Research Center of Liaoning Province, Shenyang, Liaoning, 110036, PR China.
| | - Ye Chen
- College of Pharmacy of Liaoning University, Shenyang, Liaoning, 110036, PR China; API Engineering Technology Research Center of Liaoning Province, Shenyang, Liaoning, 110036, PR China; Small Molecular Targeted Drug R&D Engineering Research Center of Liaoning Province, Shenyang, Liaoning, 110036, PR China.
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5
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McLeod JJ, Rothschild SC, Francescatto L, Kim H, Tombes RM. Specific CaMKIIs mediate convergent extension cell movements in early zebrafish development. Dev Dyn 2024; 253:390-403. [PMID: 37860955 DOI: 10.1002/dvdy.665] [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: 05/03/2023] [Revised: 09/18/2023] [Accepted: 09/21/2023] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND Noncanonical Wnts are morphogens that can elevate intracellular Ca2+, activate the Ca2+/calmodulin-dependent protein kinase, CaMKII, and promote cell movements during vertebrate gastrulation. RESULTS Zebrafish express seven CaMKII genes during embryogenesis; two of these, camk2b1 and camk2g1, are necessary for convergent extension (CE) cell movements. CaMKII morphant phenotypes were observed as early as epiboly. At the 1-3 somite stage, neuroectoderm and paraxial cells remained unconverged in both morphants. Later, somites lacked their stereotypical shape and were wider, more closely spaced, and body gap angles increased. At 24hpf, somite compression and notochord undulation coincided with a shorter and broader body axis. A camk2b1 crispant was generated which phenocopied the camk2b1 morphant. The levels of cell proliferation, apoptosis and paraxial and neuroectodermal markers were unchanged in morphants. Hyperactivation of CaMKII during gastrulation by transient pharmacological intervention (thapsigargin) also caused CE defects. Mosaically expressed dominant-negative CaMKII recapitulated these phenotypes and showed significant midline bifurcation. Finally, the introduction of CaMKII partially rescued Wnt11 morphant phenotypes. CONCLUSIONS Overall, these data support a model whereby cyclically activated CaMKII encoded from two genes enables cell migration during the process of CE.
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Affiliation(s)
- Jamie J McLeod
- Department of Biology and VCU Life Sciences, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Sarah C Rothschild
- Department of Biology and VCU Life Sciences, Virginia Commonwealth University, Richmond, Virginia, USA
| | | | - Haerin Kim
- Department of Biology and VCU Life Sciences, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Robert M Tombes
- Department of Biology and VCU Life Sciences, Virginia Commonwealth University, Richmond, Virginia, USA
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6
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Liu Y, Xiong W, Li J, Feng H, Jing S, Liu Y, Zhou H, Li D, Fu D, Xu C, He Y, Ye Q. Application of dental pulp stem cells for bone regeneration. Front Med (Lausanne) 2024; 11:1339573. [PMID: 38487022 PMCID: PMC10938947 DOI: 10.3389/fmed.2024.1339573] [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: 11/16/2023] [Accepted: 01/15/2024] [Indexed: 03/17/2024] Open
Abstract
Bone defects resulting from severe trauma, tumors, inflammation, and other factors are increasingly prevalent. Stem cell-based therapies have emerged as a promising alternative. Dental pulp stem cells (DPSCs), sourced from dental pulp, have garnered significant attention owing to their ready accessibility and minimal collection-associated risks. Ongoing investigations into DPSCs have revealed their potential to undergo osteogenic differentiation and their capacity to secrete a diverse array of ontogenetic components, such as extracellular vesicles and cell lysates. This comprehensive review article aims to provide an in-depth analysis of DPSCs and their secretory components, emphasizing extraction techniques and utilization while elucidating the intricate mechanisms governing bone regeneration. Furthermore, we explore the merits and demerits of cell and cell-free therapeutic modalities, as well as discuss the potential prospects, opportunities, and inherent challenges associated with DPSC therapy and cell-free therapies in the context of bone regeneration.
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Affiliation(s)
- Ye Liu
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Xiong
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Junyi Li
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Huixian Feng
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Shuili Jing
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Yonghao Liu
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Heng Zhou
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Duan Li
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
| | - Dehao Fu
- Department of Orthopaedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chun Xu
- Sydney Dental School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Yan He
- Institute of Regenerative and Translational Medicine, Tianyou Hospital of Wuhan University of Science and Technology, Wuhan, China
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Qingsong Ye
- Center of Regenerative Medicine, Department of Stomatology Renmin Hospital of Wuhan University, Wuhan, China
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
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Mankuzhy P, Dharmarajan A, Perumalsamy LR, Sharun K, Samji P, Dilley RJ. The role of Wnt signaling in mesenchymal stromal cell-driven angiogenesis. Tissue Cell 2023; 85:102240. [PMID: 37879288 DOI: 10.1016/j.tice.2023.102240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 09/28/2023] [Accepted: 10/11/2023] [Indexed: 10/27/2023]
Abstract
Development, growth, and remodeling of blood vessels occur through an intricate process involving cell differentiation, proliferation, and rearrangement by cell migration under the direction of various signaling pathways. Recent reports highlight that resident and exogenous mesenchymal stromal cells (MSCs) have the potential to regulate the neovascularization process through paracrine secretion of proangiogenic factors. Recent research has established that the vasculogenic potential of MSCs is regulated by several signaling pathways, including the Wnt signaling pathway, and their interplay. These findings emphasize the complex nature of the vasculogenic process and underscore the importance of understanding the underlying molecular mechanisms for the development of effective cell-based therapies in regenerative medicine. This review provides an updated briefing on the canonical and non-canonical Wnt signaling pathways and summarizes the recent reports of both in vitro and in vivo studies with the involvement of MSCs of various sources in the vasculogenic process mediated by Wnt signaling pathways. Here we outline the current understanding of the plausible role of the Wnt signaling pathway, specifically in MSC-regulated angiogenesis.
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Affiliation(s)
- Pratheesh Mankuzhy
- Department of Surgery and Centre for Medical Research, Faculty of Health and Medical Sciences, The University of Western Australia, 6009 Perth, Australia; College of Veterinary and Animal Sciences - Mannuthy, Kerala Veterinary and Animal Sciences University, Pookode, Wayanad, Kerala 673576 India.
| | - Arun Dharmarajan
- Department of Biomedical Sciences, Sri Ramachandra faculty of Biomedical Sciences, Technology and Research, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai 600116, India; School of Pharmacy and Biomedical Sciences, Curtin University, Bentley, Perth, Western Australia, Australia; School of Human Sciences, Faculty of Life Sciences, University of Western Australia, 6009 Perth, Australia
| | - Lakshmi R Perumalsamy
- Department of Biomedical Sciences, Sri Ramachandra faculty of Biomedical Sciences, Technology and Research, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai 600116, India
| | - Khan Sharun
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Priyanka Samji
- Department of Biomedical Sciences, Sri Ramachandra faculty of Biomedical Sciences, Technology and Research, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai 600116, India
| | - Rodney J Dilley
- Department of Surgery and Centre for Medical Research, Faculty of Health and Medical Sciences, The University of Western Australia, 6009 Perth, Australia
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Alshahrani SH, Rakhimov N, Rana A, Alsaab HO, Hjazi A, Adile M, Abosaooda M, Abdulhussien Alazbjee AA, Alsalamy A, Mahmoudi R. Dishevelled: An emerging therapeutic oncogene in human cancers. Pathol Res Pract 2023; 250:154793. [PMID: 37683388 DOI: 10.1016/j.prp.2023.154793] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/24/2023] [Accepted: 09/02/2023] [Indexed: 09/10/2023]
Abstract
Cancer is a multifaceted and complex disorder characterized by uncontrolled rates of cell proliferation and its ability to spread and attack other organs. Emerging data indicated several pathways and molecular targets are engaged in cancer progression. Among them, the Wnt signaling pathway was shown to have a crucial role in cancer onset and progression. Dishevelled (DVL) acts in a branch point of canonical and non-canonical Wnt pathway. DVL not only acts in the cytoplasm to inactivate the destruction complex of β-catenin but is also transported into the nucleus to affect the transcription of target genes. Available data revealed that the expression levels of DVL increased in cell and clinical specimens of various cancers, proposing that it may have an oncogenic role. DVL promoted cell invasion, migration, cell cycle, survival, proliferation, 3D-spheroid formation, stemness, and epithelial mesenchymal transition (EMT) and it suppressed cell apoptosis. The higher levels of DVL is associated with the clinicopathological characteristic of cancer-affected patients, including lymph node metastasis, tumor grade, histological type, and age. In addition, the higher levels of DVL could be a promising diagnostic and prognostic biomarker in cancer as well as it could be a mediator in cancer chemoresistance to Methotrexate, paclitaxel, and 5-fluorouracil. This study aimed to investigate the underlying molecular mechanism of DVL in cancer pathogenesis as well as to explore its importance in cancer diagnosis and prognosis as well as its role as a mediator in cancer chemotherapy.
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Affiliation(s)
| | - Nodir Rakhimov
- Department of Oncology, Samarkand State Medical University, Amir Temur Street 18, Samarkand, Uzbekistan; Department of Scientific Affairs,Tashkent State Dental Institute, Makhtumkuli 103, Tashkent, Uzbekistan
| | - Arti Rana
- Uttaranchal Institute of Technology, Uttaranchal University, Dehradun 248007, India
| | - Hashem O Alsaab
- Pharmaceutics and Pharmaceutical Technology, Taif University, Taif, Saudi Arabia
| | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Mohaned Adile
- Medical Technical College, Al-Farahidi University, Baghdad, Iraq
| | | | | | - Ali Alsalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna 66002, Iraq
| | - Reza Mahmoudi
- Department of Toxicology and Pharmacology, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
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9
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Conza D, Mirra P, Fiory F, Insabato L, Nicolò A, Beguinot F, Ulianich L. Metformin: A New Inhibitor of the Wnt Signaling Pathway in Cancer. Cells 2023; 12:2182. [PMID: 37681914 PMCID: PMC10486775 DOI: 10.3390/cells12172182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 09/09/2023] Open
Abstract
The biguanide drug metformin is widely used in type 2 diabetes mellitus therapy, due to its ability to decrease serum glucose levels, mainly by reducing hepatic gluconeogenesis and glycogenolysis. A considerable number of studies have shown that metformin, besides its antidiabetic action, can improve other disease states, such as polycystic ovary disease, acute kidney injury, neurological disorders, cognitive impairment and renal damage. In addition, metformin is well known to suppress the growth and progression of different types of cancer cells both in vitro and in vivo. Accordingly, several epidemiological studies suggest that metformin is capable of lowering cancer risk and reducing the rate of cancer deaths among diabetic patients. The antitumoral effects of metformin have been proposed to be mainly mediated by the activation of the AMP-activated protein kinase (AMPK). However, a number of signaling pathways, both dependent and independent of AMPK activation, have been reported to be involved in metformin antitumoral action. Among these, the Wingless and Int signaling pathway have recently been included. Here, we will focus our attention on the main molecular mechanisms involved.
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Affiliation(s)
- Domenico Conza
- URT Genomics of Diabetes, Institute of Endocrinology and Experimental Oncology, National Research Council & Department of Translational Medicine, University of Naples “Federico II”, 80131 Naples, Italy; (D.C.); (P.M.); (F.F.); (A.N.); (F.B.)
| | - Paola Mirra
- URT Genomics of Diabetes, Institute of Endocrinology and Experimental Oncology, National Research Council & Department of Translational Medicine, University of Naples “Federico II”, 80131 Naples, Italy; (D.C.); (P.M.); (F.F.); (A.N.); (F.B.)
| | - Francesca Fiory
- URT Genomics of Diabetes, Institute of Endocrinology and Experimental Oncology, National Research Council & Department of Translational Medicine, University of Naples “Federico II”, 80131 Naples, Italy; (D.C.); (P.M.); (F.F.); (A.N.); (F.B.)
| | - Luigi Insabato
- Department of Advanced Biomedical Sciences, University of Naples “Federico II”, 80131 Naples, Italy;
| | - Antonella Nicolò
- URT Genomics of Diabetes, Institute of Endocrinology and Experimental Oncology, National Research Council & Department of Translational Medicine, University of Naples “Federico II”, 80131 Naples, Italy; (D.C.); (P.M.); (F.F.); (A.N.); (F.B.)
| | - Francesco Beguinot
- URT Genomics of Diabetes, Institute of Endocrinology and Experimental Oncology, National Research Council & Department of Translational Medicine, University of Naples “Federico II”, 80131 Naples, Italy; (D.C.); (P.M.); (F.F.); (A.N.); (F.B.)
| | - Luca Ulianich
- URT Genomics of Diabetes, Institute of Endocrinology and Experimental Oncology, National Research Council & Department of Translational Medicine, University of Naples “Federico II”, 80131 Naples, Italy; (D.C.); (P.M.); (F.F.); (A.N.); (F.B.)
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10
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Akhavanfar R, Shafagh SG, Mohammadpour B, Farahmand Y, Lotfalizadeh MH, Kookli K, Adili A, Siri G, Eshagh Hosseini SM. A comprehensive insight into the correlation between ncRNAs and the Wnt/β-catenin signalling pathway in gastric cancer pathogenesis. Cell Commun Signal 2023; 21:166. [PMID: 37386429 PMCID: PMC10308667 DOI: 10.1186/s12964-023-01092-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 02/26/2023] [Indexed: 07/01/2023] Open
Abstract
During the past decades, gastric cancer (GC) has emerged as one of the most frequent malignancies with a growing rate of prevalence around the world. Despite considerable advances in therapeutic methods, the prognosis and management of patients with gastric cancer (GC) continue to be poor. As one of the candidate molecular targets in the treatment of many types of cancer, the Wnt/β-catenin pathway includes a family of proteins that have important functions in adult tissue homeostasis and embryonic development. The aberrant regulation of Wnt/β-catenin signaling is strongly correlated with the initiation and development of numerous cancers, including GC. Therefore, Wnt/β-catenin signaling has been identified as one of the main targets for extending therapeutic approaches for GC patients. Non-coding RNAs (ncRNAs), including microRNAs and long ncRNAs, are important components of epigenetic mechanisms in gene regulation. They play vital roles in various molecular and cellular processes and regulate many signaling pathways, such as Wnt/β-catenin pathways. Insights into these regulatory molecules involved in GC development may lead to the identification of potential targets for overcoming the limitations of current therapeutic approaches. Consequently, this review aimed to provide a comprehensive overview of ncRNAs interactions involved in Wnt/β-catenin pathway function in GC with diagnostic and therapeutic perspectives. Video Abstract.
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Affiliation(s)
- Roozbeh Akhavanfar
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | | | - Yalda Farahmand
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Keihan Kookli
- International Campus, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Adili
- Senior Adult Oncology Department, Moffitt Cancer Center, University of South Florida, Tampa, FL, USA
- Department of Oncology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Goli Siri
- Department of Internal Medicine, Amir Alam Hospital, Tehran University of Medical Sciences, Tehran, Iran.
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11
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Lee KM, Seo EC, Lee JH, Kim HJ, Hwangbo C. The Multifunctional Protein Syntenin-1: Regulator of Exosome Biogenesis, Cellular Function, and Tumor Progression. Int J Mol Sci 2023; 24:ijms24119418. [PMID: 37298370 DOI: 10.3390/ijms24119418] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 05/20/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Syntenin acts as an adaptor and scaffold protein through its two PSD-95, Dlg, and ZO-1 (PDZ) domains, participating in multiple signaling pathways and modulating cellular physiology. It has been identified as an oncogene, promoting cancer development, metastasis, and angiogenesis in various carcinomas. Syntenin-1 is also associated with the production and release of exosomes, small extracellular vesicles that play a significant role in intercellular communication by containing bioactive molecules such as proteins, lipids, and nucleic acids. The trafficking of exosomes involves a complex interplay of various regulatory proteins, including syntenin-1, which interacts with its binding partners, syndecan and activated leukocyte cell adhesion molecule (ALIX). Exosomal transfer of microRNAs, a key cargo, can regulate the expression of various cancer-related genes, including syntenin-1. Targeting the mechanism involving the regulation of exosomes by syntenin-1 and microRNAs may provide a novel treatment strategy for cancer. This review highlights the current understanding of syntenin-1's role in regulating exosome trafficking and its associated cellular signaling pathways.
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Affiliation(s)
- Kwang-Min Lee
- Division of Life Science, College of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
- Division of Applied Life Science (BK21 Four), Research Institute of Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Eun-Chan Seo
- Division of Life Science, College of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
- Division of Applied Life Science (BK21 Four), Research Institute of Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jeong-Hyung Lee
- Department of Biochemistry (BK21 Four), College of Natural Sciences, Kangwon National University, Chuncheon 24414, Republic of Korea
| | - Hyo-Jin Kim
- Division of Life Science, College of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
- Division of Applied Life Science (BK21 Four), Research Institute of Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Cheol Hwangbo
- Division of Life Science, College of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
- Division of Applied Life Science (BK21 Four), Research Institute of Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
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12
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Caliskan C, Yuce Z, Ogun Sercan H. Dvl proteins regulate SMAD1, AHR, mTOR, BRD7 protein expression while differentially regulating canonical and non-canonical Wnt signaling pathways in CML cell lines. Gene X 2023; 854:147109. [PMID: 36509295 DOI: 10.1016/j.gene.2022.147109] [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: 08/24/2022] [Revised: 11/29/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
Dishevelled (Dvl) is a scaffold protein that transmits Wnt signals to downstream effector molecules via both canonical and non-canonical Wnt signaling pathways. Deregulated activation of Dvl proteins has been reported in various solid tumors. However, it is not clear which pathway and proteins are responsible for observed aberrant activities and their relevance in disease prognosis. In addition, there is relatively limited knowledge on the role Dvl proteins may have in hematologic malignancy etiopathogenesis. In this study, we demonstrated that Dvl genes are not expressed in normal bone marrow but are expressed at different levels in the bone marrow of patients with chronic myeloid leukemia. We showed SMAD1, AHR, mTOR, BRD7 protein expressions are significantly affected by Dvl silencing and overexpression in CML cell lines. Wnt/β-catenin and Wnt/PCP signaling pathway components are effectively repressed after Dvl silencing in K562 cells, while regulator of Wnt/Ca2+ signaling showed increase in both CML cell lines. Targeting Dvl proteins increases imatinib susceptibility of the K562 and MEG-01 cell lines. In light of our data, Dvl could be a potential therapeutic target in the treatment of CML.
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Affiliation(s)
- Ceyda Caliskan
- Department of Medical Biology and Genetics, Faculty of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey; School of Biosciences, University of Sheffield, Sheffield S10 2TN, United Kingdom
| | - Zeynep Yuce
- Department of Medical Biology and Genetics, Faculty of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Hakki Ogun Sercan
- Department of Medical Biology and Genetics, Faculty of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey.
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13
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Di Bartolomeo L, Vaccaro F, Irrera N, Borgia F, Li Pomi F, Squadrito F, Vaccaro M. Wnt Signaling Pathways: From Inflammation to Non-Melanoma Skin Cancers. Int J Mol Sci 2023; 24:ijms24021575. [PMID: 36675086 PMCID: PMC9867176 DOI: 10.3390/ijms24021575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Canonical and non-canonical Wnt signaling pathways are involved in cell differentiation and homeostasis, but also in tumorigenesis. In fact, an exaggerated activation of Wnt signaling may promote tumor growth and invasion. We summarize the most intriguing evidence about the role of Wnt signaling in cutaneous carcinogenesis, in particular in the pathogenesis of non-melanoma skin cancer (NMSC). Wnt signaling is involved in several ways in the development of skin tumors: it may modulate the inflammatory tumor microenvironment, synergize with Sonic Hedgehog pathway in the onset of basal cell carcinoma, and contribute to the progression from precancerous to malignant lesions and promote the epithelial-mesenchymal transition in squamous cell carcinoma. Targeting Wnt pathways may represent an additional efficient approach in the management of patients with NMSC.
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Affiliation(s)
- Luca Di Bartolomeo
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
| | - Federico Vaccaro
- Department of Dermatology, University of Modena and Reggio Emilia, 41124 Modena, Italy
| | - Natasha Irrera
- Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Messina, 98125 Messina, Italy
| | - Francesco Borgia
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
| | - Federica Li Pomi
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
| | - Francesco Squadrito
- Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Messina, 98125 Messina, Italy
| | - Mario Vaccaro
- Department of Clinical and Experimental Medicine, Section of Dermatology, University of Messina, 98125 Messina, Italy
- Correspondence:
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14
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Kim KB, Kim DW, Kim Y, Tang J, Kirk N, Gan Y, Kim B, Fang B, Park JI, Zheng Y, Park KS. WNT5A-RHOA Signaling Is a Driver of Tumorigenesis and Represents a Therapeutically Actionable Vulnerability in Small Cell Lung Cancer. Cancer Res 2022; 82:4219-4233. [PMID: 36102736 PMCID: PMC9669186 DOI: 10.1158/0008-5472.can-22-1170] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 08/11/2022] [Accepted: 09/07/2022] [Indexed: 12/14/2022]
Abstract
WNT signaling represents an attractive target for cancer therapy due to its widespread oncogenic role. However, the molecular players involved in WNT signaling and the impact of their perturbation remain unknown for numerous recalcitrant cancers. Here, we characterize WNT pathway activity in small cell lung cancer (SCLC) and determine the functional role of WNT signaling using genetically engineered mouse models. β-Catenin, a master mediator of canonical WNT signaling, was dispensable for SCLC development, and its transcriptional program was largely silenced during tumor development. Conversely, WNT5A, a ligand for β-catenin-independent noncanonical WNT pathways, promoted neoplastic transformation and SCLC cell proliferation, whereas WNT5A deficiency inhibited SCLC development. Loss of p130 in SCLC cells induced expression of WNT5A, which selectively increased Rhoa transcription and activated RHOA protein to drive SCLC. Rhoa knockout suppressed SCLC development in vivo, and chemical perturbation of RHOA selectively inhibited SCLC cell proliferation. These findings suggest a novel requirement for the WNT5A-RHOA axis in SCLC, providing critical insights for the development of novel therapeutic strategies for this recalcitrant cancer. This study also sheds light on the heterogeneity of WNT signaling in cancer and the molecular determinants of its cell-type specificity. SIGNIFICANCE The p130-WNT5A-RHOA pathway drives SCLC progression and is a potential target for the development of therapeutic interventions and biomarkers to improve patient treatment.
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Affiliation(s)
- Kee-Beom Kim
- Department of Microbiology, Immunology, and Cancer Biology,
University of Virginia, Charlottesville, VA 22908, USA
| | - Dong-Wook Kim
- Department of Microbiology, Immunology, and Cancer Biology,
University of Virginia, Charlottesville, VA 22908, USA
| | - Youngchul Kim
- Department of Biostatistics and Bioinformatics, Moffitt
Cancer Research Center, Tampa Bay, FL 33612, USA
| | - Jun Tang
- Department of Microbiology, Immunology, and Cancer Biology,
University of Virginia, Charlottesville, VA 22908, USA
| | - Nicole Kirk
- Department of Microbiology, Immunology, and Cancer Biology,
University of Virginia, Charlottesville, VA 22908, USA
| | - Yongyu Gan
- Department of Microbiology, Immunology, and Cancer Biology,
University of Virginia, Charlottesville, VA 22908, USA
| | - Bongjun Kim
- Department of Experimental Radiation Oncology, MD Anderson
Cancer Center, Houston, TX 77030, USA
| | - Bingliang Fang
- Department of Thoracic and Cardiovascular Surgery, MD
Anderson Cancer Center, Houston, TX 77030, USA
| | - Jae-Il Park
- Department of Experimental Radiation Oncology, MD Anderson
Cancer Center, Houston, TX 77030, USA
| | - Yi Zheng
- Devision of Experimental Hematology and Cancer Biology,
Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229,
USA
| | - Kwon-Sik Park
- Department of Microbiology, Immunology, and Cancer Biology,
University of Virginia, Charlottesville, VA 22908, USA,Correspondence to Kwon-Sik Park, 1340 Jefferson
Park Avenue, Charlottesville, VA 22908 USA, ,
phone: 434-982-1947
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15
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ROR2 regulates self-renewal and maintenance of hair follicle stem cells. Nat Commun 2022; 13:4449. [PMID: 35915068 PMCID: PMC9343661 DOI: 10.1038/s41467-022-32239-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 07/21/2022] [Indexed: 11/25/2022] Open
Abstract
Hair follicles undergo cycles of regeneration fueled by hair follicle stem cells (HFSCs). While β-catenin-dependent canonical Wnt signaling has been extensively studied and implicated in HFSC activation and fate determination, very little is known about the function of β-catenin-independent Wnt signaling in HFSCs. In this study, we investigate the functional role of ROR2, a Wnt receptor, in HFSCs. By analyzing Ror2-depleted HFSCs, we uncover that ROR2 is not only essential to regulate Wnt-activated signaling that is responsible for HFSC activation and self-renewal, but it is also required to maintain proper ATM/ATR-dependent DNA damage response, which is indispensable for the long-term maintenance of HFSCs. In analyzing HFSCs lacking β-catenin, we identify a compensatory role of ROR2-PKC signaling in protecting β-catenin-null HFSCs from the loss of stem cell pool. Collectively, our study unveils a previously unrecognized role of ROR2 in regulation of stem cell self-renewal and maintenance. Wnt signaling functions in tissue homeostasis and tumorigenesis. Here the authors show that ROR2, a Wnt receptor, plays roles not only in transducing Wnt signaling, but also in regulation of DNA damage response critical for stem cell maintenance.
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16
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Huang Y, Winklbauer R. Cell cortex regulation by the planar cell polarity protein Prickle1. J Biophys Biochem Cytol 2022; 221:213195. [PMID: 35512799 PMCID: PMC9082893 DOI: 10.1083/jcb.202008116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 01/18/2022] [Accepted: 04/09/2022] [Indexed: 01/07/2023] Open
Abstract
The planar cell polarity pathway regulates cell polarity, adhesion, and rearrangement. Its cytoplasmic core components Prickle (Pk) and Dishevelled (Dvl) often localize as dense puncta at cell membranes to form antagonizing complexes and establish cell asymmetry. In vertebrates, Pk and Dvl have been implicated in actomyosin cortex regulation, but the mechanism of how these proteins control cell mechanics is unclear. Here we demonstrate that in Xenopus prechordal mesoderm cells, diffusely distributed, cytoplasmic Pk1 up-regulates the F-actin content of the cortex. This counteracts cortex down-regulation by Dvl2. Both factors act upstream of casein kinase II to increase or decrease cortical tension. Thus, cortex modulation by Pk1 and Dvl2 is translated into mechanical force and affects cell migration and rearrangement during radial intercalation in the prechordal mesoderm. Pk1 also forms puncta and plaques, which are associated with localized depletion of cortical F-actin, suggesting opposite roles for diffuse and punctate Pk1.
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Affiliation(s)
- Yunyun Huang
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario, Canada
| | - Rudolf Winklbauer
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario, Canada,Correspondence to Rudolf Winklbauer:
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17
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Signaling cascades in the failing heart and emerging therapeutic strategies. Signal Transduct Target Ther 2022; 7:134. [PMID: 35461308 PMCID: PMC9035186 DOI: 10.1038/s41392-022-00972-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/13/2022] [Accepted: 03/20/2022] [Indexed: 12/11/2022] Open
Abstract
Chronic heart failure is the end stage of cardiac diseases. With a high prevalence and a high mortality rate worldwide, chronic heart failure is one of the heaviest health-related burdens. In addition to the standard neurohormonal blockade therapy, several medications have been developed for chronic heart failure treatment, but the population-wide improvement in chronic heart failure prognosis over time has been modest, and novel therapies are still needed. Mechanistic discovery and technical innovation are powerful driving forces for therapeutic development. On the one hand, the past decades have witnessed great progress in understanding the mechanism of chronic heart failure. It is now known that chronic heart failure is not only a matter involving cardiomyocytes. Instead, chronic heart failure involves numerous signaling pathways in noncardiomyocytes, including fibroblasts, immune cells, vascular cells, and lymphatic endothelial cells, and crosstalk among these cells. The complex regulatory network includes protein-protein, protein-RNA, and RNA-RNA interactions. These achievements in mechanistic studies provide novel insights for future therapeutic targets. On the other hand, with the development of modern biological techniques, targeting a protein pharmacologically is no longer the sole option for treating chronic heart failure. Gene therapy can directly manipulate the expression level of genes; gene editing techniques provide hope for curing hereditary cardiomyopathy; cell therapy aims to replace dysfunctional cardiomyocytes; and xenotransplantation may solve the problem of donor heart shortages. In this paper, we reviewed these two aspects in the field of failing heart signaling cascades and emerging therapeutic strategies based on modern biological techniques.
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18
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de la Cruz L, Riquelme R, Vivas O, Barria A, Jensen JB. Dishevelled coordinates phosphoinositide kinases PI4KIIIα and PIP5KIγ for efficient PtdInsP2 synthesis. J Cell Sci 2022; 135:274231. [PMID: 34982154 PMCID: PMC8919331 DOI: 10.1242/jcs.259145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 12/14/2021] [Indexed: 02/05/2023] Open
Abstract
Phosphatidylinositol(4,5)-bisphosphate (PtdInsP2) is an important modulator of many cellular processes, and its abundance in the plasma membrane is closely regulated. We examined the hypothesis that members of the Dishevelled scaffolding protein family can bind the lipid kinases phosphatidylinositol 4-kinase (PI4K) and phosphatidylinositol 4-phosphate 5-kinase (PIP5K), facilitating synthesis of PtdInsP2 directly from phosphatidylinositol. We used several assays for PtdInsP2 to examine the cooperative function of phosphoinositide kinases and the Dishevelled protein Dvl3 in the context of two receptor signaling cascades. Simultaneous overexpression of PI4KIIIα (also known as PI4KA) and PIP5KIγ (also known as PIP5K1C) had a synergistic effect on PtdInsP2 synthesis that was recapitulated by overexpression of Dvl3. Increasing the activity of Dvl3 by overexpression increased resting plasma membrane PtdInsP2. Knockdown of Dvl3 reduced resting plasma membrane PtdInsP2 and slowed PtdInsP2 resynthesis following receptor activation. We confirm that Dvl3 promotes coupling of PI4KIIIα and PIP5KIγ and show that this interaction is essential for efficient resynthesis of PtdInsP2 following receptor activation.
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19
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Berns ML, Habas R. Biochemical Assays to Detect Activation of Small GTPases Rho, Rac, and Cdc42 during Morphogenesis. Methods Mol Biol 2022; 2438:83-95. [PMID: 35147936 DOI: 10.1007/978-1-0716-2035-9_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Wnt/Frizzled (Fz) signaling controls developmental, physiological, and pathological processes through several distinct pathways. Wnt/Fz activation of the small GTPases Rho, Rac, and Cdc42, is one key mechanism that regulates cell polarity and migration during vertebrate gastrulation. In this chapter, we describe biochemical assays for detection of Wnt/Fz-mediated activation of Rho, Rac and Cdc42 in both mammalian cells and Xenopus embryo explants.
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Affiliation(s)
- Mark L Berns
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, USA.
| | - Raymond Habas
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, USA.
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20
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Khalid M, Hodjat M, Abdollahi M. Environmental Exposure to Heavy Metals Contributes to Diseases Via Deregulated Wnt Signaling Pathways. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2021; 20:370-382. [PMID: 34567167 PMCID: PMC8457726 DOI: 10.22037/ijpr.2021.114897.15089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Wnt signaling plays a critical role during embryogenesis and is responsible for regulating the homeostasis of the adult stem cells and cells fate via a multitude of signaling pathways and associated transcription factors, receptors, effectors, and inhibitors. For this review, published articles were searched from PubMed Central, Embase, Medline, and Google Scholar. The search terms were Wnt, canonical, noncanonical, signaling pathway, β-catenin, environment, and heavy metals. Published articles on Wnt signaling pathways and heavy metals as contributing factors for causing diseases via influencing Wnt signaling pathways were included. Wnt canonical or noncanonical signaling pathways are the key regulators of stem cell homeostasis that control many mechanisms. There is an adequate balance between β-catenin dependent and independent Wnt signaling pathways and remain highly conserved throughout different development stages. Environmental heavy metal exposure may cause either inhibition or overexpression of any component of Wnt signaling pathways such as Wnt protein, transcription factors, receptors, ligands, or transducers to impede normal cellular function via negatively affecting Wnt signaling pathways. Environmental exposure to heavy metals potentially contributes to diseases via deregulated Wnt signaling pathways.
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Affiliation(s)
- Madiha Khalid
- Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mahshid Hodjat
- Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences (TUMS), Tehran, Iran.,Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Toxicology and Diseases Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences (TUMS), Tehran, Iran.,Department of Toxicology and Pharmacology, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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21
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Roy Choudhury A, Großhans J, Kong D. Ion Channels in Epithelial Dynamics and Morphogenesis. Cells 2021; 10:cells10092280. [PMID: 34571929 PMCID: PMC8465836 DOI: 10.3390/cells10092280] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/22/2021] [Accepted: 08/30/2021] [Indexed: 01/21/2023] Open
Abstract
Mechanosensitive ion channels mediate the neuronal sensation of mechanical signals such as sound, touch, and pain. Recent studies point to a function of these channel proteins in cell types and tissues in addition to the nervous system, such as epithelia, where they have been little studied, and their role has remained elusive. Dynamic epithelia are intrinsically exposed to mechanical forces. A response to pull and push is assumed to constitute an essential part of morphogenetic movements of epithelial tissues, for example. Mechano-gated channels may participate in sensing and responding to such forces. In this review, focusing on Drosophila, we highlight recent results that will guide further investigations concerned with the mechanistic role of these ion channels in epithelial cells.
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22
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Shi Q, Chen YG. Regulation of Dishevelled protein activity and stability by post-translational modifications and autophagy. Trends Biochem Sci 2021; 46:1003-1016. [PMID: 34433516 DOI: 10.1016/j.tibs.2021.07.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/16/2021] [Accepted: 07/30/2021] [Indexed: 01/18/2023]
Abstract
As a key component of Wnt signaling, Dishevelled (Dvl/Dsh) plays essential roles in development processes and adult tissue homeostasis in multicellular organisms, and its deregulation results in human development disorders and other diseases. Dvl integrates and relays complex Wnt signals by acting as a branch-point of β-catenin-dependent canonical and β-catenin-independent noncanonical pathways. It dynamically interacts with multiple proteins to modulate Wnt signaling, while its activity and stability are tightly controlled by other proteins. This Review summarizes the current understanding of regulation of Dvl activity, localization, and stability by post-translational modifications, aggregation, and autophagy, and the impacts on Dvl function in both Wnt signaling and biological processes.
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Affiliation(s)
- Qiaoni Shi
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Ye-Guang Chen
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China.
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23
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Beitia GJ, Rutherford TJ, Freund SMV, Pelham HR, Bienz M, Gammons MV. Regulation of Dishevelled DEP domain swapping by conserved phosphorylation sites. Proc Natl Acad Sci U S A 2021; 118:e2103258118. [PMID: 34155117 PMCID: PMC8256032 DOI: 10.1073/pnas.2103258118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Wnt signals bind to Frizzled receptors to trigger canonical and noncanonical signaling responses that control cell fates during animal development and tissue homeostasis. All Wnt signals are relayed by the hub protein Dishevelled. During canonical (β-catenin-dependent) signaling, Dishevelled assembles signalosomes via dynamic head-to-tail polymerization of its Dishevelled and Axin (DIX) domain, which are cross-linked by its Dishevelled, Egl-10, and Pleckstrin (DEP) domain through a conformational switch from monomer to domain-swapped dimer. The domain-swapped conformation of DEP masks the site through which Dishevelled binds to Frizzled, implying that DEP domain swapping results in the detachment of Dishevelled from Frizzled. This would be incompatible with noncanonical Wnt signaling, which relies on long-term association between Dishevelled and Frizzled. It is therefore likely that DEP domain swapping is differentially regulated during canonical and noncanonical Wnt signaling. Here, we use NMR spectroscopy and cell-based assays to uncover intermolecular contacts in the DEP dimer that are essential for its stability and for Dishevelled function in relaying canonical Wnt signals. These contacts are mediated by an intrinsically structured sequence spanning a conserved phosphorylation site upstream of the DEP domain that serves to clamp down the swapped N-terminal α-helix onto the structural core of a reciprocal DEP molecule in the domain-swapped configuration. Mutations of this phosphorylation site and its cognate surface on the reciprocal DEP core attenuate DEP-dependent dimerization of Dishevelled and its canonical signaling activity in cells without impeding its binding to Frizzled. We propose that phosphorylation of this crucial residue could be employed to switch off canonical Wnt signaling.
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Affiliation(s)
- Gonzalo J Beitia
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Trevor J Rutherford
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Stefan M V Freund
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Hugh R Pelham
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Mariann Bienz
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
| | - Melissa V Gammons
- Medical Research Council Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, CB2 0QH, United Kingdom
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Targeting the crosstalk between canonical Wnt/β-catenin and inflammatory signaling cascades: A novel strategy for cancer prevention and therapy. Pharmacol Ther 2021; 227:107876. [PMID: 33930452 DOI: 10.1016/j.pharmthera.2021.107876] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 04/05/2021] [Indexed: 02/06/2023]
Abstract
Emerging scientific evidence indicates that inflammation is a critical component of tumor promotion and progression. Most cancers originate from sites of chronic irritation, infections and inflammation, underscoring that the tumor microenvironment is largely orchestrated by inflammatory cells and pro-inflammatory molecules. These inflammatory components are intimately involved in neoplastic processes which foster proliferation, survival, invasion, and migration, making inflammation the primary target for cancer prevention and treatment. The influence of inflammation and the immune system on the progression and development of cancer has recently gained immense interest. The Wnt/β-catenin signaling pathway, an evolutionarily conserved signaling strategy, has a critical role in regulating tissue development. It has been implicated as a major player in cancer development and progression with its regulatory role on inflammatory cascades. Many naturally-occurring and small synthetic molecules endowed with inherent anti-inflammatory properties inhibit this aberrant signaling pathway, making them a promising class of compounds in the fight against inflammatory cancers. This article analyzes available scientific evidence and suggests a crosslink between Wnt/β-catenin signaling and inflammatory pathways in inflammatory cancers, especially breast, gastrointestinal, endometrial, and ovarian cancer. We also highlight emerging experimental findings that numerous anti-inflammatory synthetic and natural compounds target the crosslink between Wnt/β-catenin pathway and inflammatory cascades to achieve cancer prevention and intervention. Current challenges, limitations, and future directions of research are also discussed.
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Sun G, Wu L, Sun G, Shi X, Cao H, Tang W. WNT5a in Colorectal Cancer: Research Progress and Challenges. Cancer Manag Res 2021; 13:2483-2498. [PMID: 33758546 PMCID: PMC7981155 DOI: 10.2147/cmar.s289819] [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: 10/31/2020] [Accepted: 02/17/2021] [Indexed: 12/31/2022] Open
Abstract
Despite the clinical development of new adjuvant and neoadjuvant chemotherapy drugs, colorectal cancer is still one of the leading causes of cancer-related death in human beings. WNT5a, an autocrine and paracrine β-catenin independent ligand, has been shown to induce tumor inhibition and carcinogenic signals, depending on the type of cancer. In patients with colorectal cancer, WNT5a triggers a variety of downstream signaling pathways, which mainly affect the migration and invasion of tumor cells. This article reviews the mechanism and therapeutic potential of WNT5a in colorectal cancer. In short, an in-depth understanding of the role of WNT5a in colorectal cancer is very helpful to better deal with this disease.
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Affiliation(s)
- Guangshun Sun
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Liangliang Wu
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Guoqiang Sun
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Xuesong Shi
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Hongyong Cao
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Weiwei Tang
- Hepatobiliary/Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Key Laboratory of Living Donor Transplantation, Chinese Academy of Medical Sciences, Nanjing, Jiangsu, People's Republic of China
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Patni AP, Harishankar MK, Joseph JP, Sreeshma B, Jayaraj R, Devi A. Comprehending the crosstalk between Notch, Wnt and Hedgehog signaling pathways in oral squamous cell carcinoma - clinical implications. Cell Oncol (Dordr) 2021; 44:473-494. [PMID: 33704672 DOI: 10.1007/s13402-021-00591-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 01/17/2021] [Accepted: 01/19/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) is a malignant oral cavity neoplasm that affects many people, especially in developing countries. Despite several advances that have been made in diagnosis and treatment, the morbidity and mortality rates due to OSCC remain high. Accumulating evidence indicates that aberrant activation of cellular signaling pathways, such as the Notch, Wnt and Hedgehog pathways, occurs during the development and metastasis of OSCC. In this review, we have articulated the roles of the Notch, Wnt and Hedgehog signaling pathways in OSCC and their crosstalk during tumor development and progression. We have also examined possible interactions and associations between these pathways and treatment regimens that could be employed to effectively tackle OSCC and/or prevent its recurrence. CONCLUSIONS Activation of the Notch signaling pathway upregulates the expression of several genes, including c-Myc, β-catenin, NF-κB and Shh. Associations between the Notch signaling pathway and other pathways have been shown to enhance OSCC tumor aggressiveness. Crosstalk between these pathways supports the maintenance of cancer stem cells (CSCs) and regulates OSCC cell motility. Thus, application of compounds that block these pathways may be a valid strategy to treat OSCC. Such compounds have already been employed in other types of cancer and could be repurposed for OSCC.
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Affiliation(s)
- Anjali P Patni
- Stem Cell Biology Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kanchipuram, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - M K Harishankar
- Stem Cell Biology Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kanchipuram, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Joel P Joseph
- Stem Cell Biology Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kanchipuram, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Bhuvanadas Sreeshma
- Stem Cell Biology Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kanchipuram, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Rama Jayaraj
- College of Human and Human Sciences, Charles Darwin University, Ellangowan Drive, Darwin, Northern Territory, 0909, Australia
| | - Arikketh Devi
- Stem Cell Biology Laboratory, Department of Genetic Engineering, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kanchipuram, Kattankulathur, Chennai, Tamil Nadu, 603203, India.
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Jurásek M, Kumar J, Paclíková P, Kumari A, Tripsianes K, Bryja V, Vácha R. Phosphorylation-induced changes in the PDZ domain of Dishevelled 3. Sci Rep 2021; 11:1484. [PMID: 33452274 PMCID: PMC7810883 DOI: 10.1038/s41598-020-79398-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 12/04/2020] [Indexed: 01/29/2023] Open
Abstract
The PDZ domain of Dishevelled 3 protein belongs to a highly abundant protein recognition motif which typically binds short C-terminal peptides. The affinity of the PDZ towards the peptides could be fine-tuned by a variety of post-translation modifications including phosphorylation. However, how phosphorylations affect the PDZ structure and its interactions with ligands remains elusive. Combining molecular dynamics simulations, NMR titration, and biological experiments, we explored the role of previously reported phosphorylation sites and their mimetics in the Dishevelled PDZ domain. Our observations suggest three major roles for phosphorylations: (1) acting as an on/off PDZ binding switch, (2) allosterically affecting the binding groove, and (3) influencing the secondary binding site. Our simulations indicated that mimetics had similar but weaker effects, and the effects of distinct sites were non-additive. This study provides insight into the Dishevelled regulation by PDZ phosphorylation. Furthermore, the observed effects could be used to elucidate the regulation mechanisms in other PDZ domains.
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Affiliation(s)
- Miroslav Jurásek
- grid.10267.320000 0001 2194 0956National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Jitender Kumar
- grid.10267.320000 0001 2194 0956CEITEC – Central European Institute of Technology, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Petra Paclíková
- grid.10267.320000 0001 2194 0956Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500 Czech Republic
| | - Alka Kumari
- grid.10267.320000 0001 2194 0956Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500 Czech Republic
| | - Konstantinos Tripsianes
- grid.10267.320000 0001 2194 0956CEITEC – Central European Institute of Technology, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Vítězslav Bryja
- grid.10267.320000 0001 2194 0956Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, 62500 Czech Republic ,grid.418095.10000 0001 1015 3316Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Brno, 612 65 Czech Republic
| | - Robert Vácha
- grid.10267.320000 0001 2194 0956National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic ,grid.10267.320000 0001 2194 0956CEITEC – Central European Institute of Technology, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic
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Wu G, Weng W, Xia P, Yan S, Zhong C, Xie L, Xie Y, Fan G. Wnt signalling pathway in bladder cancer. Cell Signal 2020; 79:109886. [PMID: 33340660 DOI: 10.1016/j.cellsig.2020.109886] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/13/2020] [Accepted: 12/14/2020] [Indexed: 12/17/2022]
Abstract
Bladder cancer (BC) is one of the most common tumours of the urinary system and is also known as a highly malignant tumour. In addition to conventional diagnosis and treatment methods, recent research has focused on studying the molecular mechanisms related to BC, in the hope that new, less toxic and effective targeted anticancer drugs and new diagnostic markers can be discovered. It is known that the Wingless (Wnt) signalling pathway and its related genes, proteins and other substances are involved in multiple biological processes of various tumours. Clarifying the contribution of the Wnt signalling pathway in bladder tumours will help establish early diagnosis indicators, develop new therapeutic drugs and evaluate the prognosis for BC. This review aims to summarise previous studies related to BC and the Wnt signalling pathway, with a focus on exploring the participating substances and their mechanisms in the regulation of the Wnt signalling pathway to better determine how to promote new chemotherapeutic drugs, potential therapeutic targets and diagnostic biomarkers.
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Affiliation(s)
- Guanlin Wu
- Experimental and Clinical Research Center, Charité-Universitätsmedizin Berlin, Berlin 13125, Germany; Max Delbrück Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin 13125, Germany.
| | - Weidong Weng
- Siegfried Weller Research Institute, BG Unfallklinik Tübingen, Department of Trauma and Reconstructive Surgery, University of Tübingen, Schnarrenbergstr. 95, Tübingen D-72076, Germany.
| | - Pengfei Xia
- Experimental and Clinical Research Center, Charité-Universitätsmedizin Berlin, Berlin 13125, Germany; Max Delbrück Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin 13125, Germany.
| | - Shixian Yan
- Experimental and Clinical Research Center, Charité-Universitätsmedizin Berlin, Berlin 13125, Germany; Max Delbrück Center for Molecular Medicine (MDC) in the Helmholtz Association, Berlin 13125, Germany.
| | - Cheng Zhong
- Experimental and Clinical Research Center, Charité-Universitätsmedizin Berlin, Berlin 13125, Germany; Institute of Vegetative Physiology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin 10117, Germany.
| | - Lei Xie
- Department of Urology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China.
| | - Yu Xie
- Department of Urology, the Affiliated Cancer Hospital of Xiangya School of Medicine of Central South University, Hunan Cancer Hospital, Changsha, Hunan 410013, China.
| | - Gang Fan
- Department of Urology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen 518052, China; Department of Urology, the Affiliated Cancer Hospital of Xiangya School of Medicine of Central South University, Hunan Cancer Hospital, Changsha, Hunan 410013, China; The 6th Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen 518060, China.
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Barancik M, Kura B, LeBaron TW, Bolli R, Buday J, Slezak J. Molecular and Cellular Mechanisms Associated with Effects of Molecular Hydrogen in Cardiovascular and Central Nervous Systems. Antioxidants (Basel) 2020; 9:antiox9121281. [PMID: 33333951 PMCID: PMC7765453 DOI: 10.3390/antiox9121281] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/12/2020] [Accepted: 12/13/2020] [Indexed: 02/06/2023] Open
Abstract
The increased production of reactive oxygen species and oxidative stress are important factors contributing to the development of diseases of the cardiovascular and central nervous systems. Molecular hydrogen is recognized as an emerging therapeutic, and its positive effects in the treatment of pathologies have been documented in both experimental and clinical studies. The therapeutic potential of hydrogen is attributed to several major molecular mechanisms. This review focuses on the effects of hydrogen on the cardiovascular and central nervous systems, and summarizes current knowledge about its actions, including the regulation of redox and intracellular signaling, alterations in gene expressions, and modulation of cellular responses (e.g., autophagy, apoptosis, and tissue remodeling). We summarize the functions of hydrogen as a regulator of nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated redox signaling and the association of hydrogen with mitochondria as an important target of its therapeutic action. The antioxidant functions of hydrogen are closely associated with protein kinase signaling pathways, and we discuss possible roles of the phosphoinositide 3-kinase/protein kinase B (PI3K/Akt) and Wnt/β-catenin pathways, which are mediated through glycogen synthase kinase 3β and its involvement in the regulation of cellular apoptosis. Additionally, current knowledge about the role of molecular hydrogen in the modulation of autophagy and matrix metalloproteinases-mediated tissue remodeling, which are other responses to cellular stress, is summarized in this review.
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Affiliation(s)
- Miroslav Barancik
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
| | - Branislav Kura
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
- Faculty of Medicine, Institute of Physiology, Comenius University in Bratislava, 84215 Bratislava, Slovakia
| | - Tyler W. LeBaron
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
- Molecular Hydrogen Institute, Enoch, UT 84721, USA
- Department of Kinesiology and Outdoor Recreation, Southern Utah University, Cedar City, UT 84720, USA
| | - Roberto Bolli
- Department of Medicine, Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40292, USA;
| | - Jozef Buday
- Department of Psychiatry, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, 12108 Prague, Czech Republic;
| | - Jan Slezak
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
- Correspondence: ; Tel.: +42-19-03-620-181
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30
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Castagnoli L, Tagliabue E, Pupa SM. Inhibition of the Wnt Signalling Pathway: An Avenue to Control Breast Cancer Aggressiveness. Int J Mol Sci 2020; 21:E9069. [PMID: 33260642 PMCID: PMC7730964 DOI: 10.3390/ijms21239069] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 02/06/2023] Open
Abstract
Breast cancer (BC) is the most common tumour in women. Although the introduction of novel therapeutic approaches in clinical practice has dramatically improved the clinical outcome of BC patients, this malignant disease remains the second leading cause of cancer-related death worldwide. The wingless/integrated (Wnt) signalling pathway represents a crucial molecular node relevantly implicated in the regulation of normal somatic stem cells as well as cancer stem cell (CSC) traits and the epithelial-mesenchymal transition cell program. Accordingly, Wnt signalling is heavily dysregulated in BC, and the altered expression of different Wnt genes is significantly associated with cancer-related aggressive behaviours. For all these reasons, Wnt signalling represents a promising therapeutic target currently under clinical investigation to achieve cancer eradication by eliminating CSCs, considered by most to be responsible for tumour initiation, relapse, and drug resistance. In this review, we summarized the current knowledge on the Wnt signalling pathway in BC and have presented evidence implicating the suitability of Wnt targeting in an attempt to improve the outcome of patients without affecting the normal somatic stem cell population.
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Affiliation(s)
| | | | - Serenella M. Pupa
- Molecular Targeting Unit, Department of Research, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Via Amadeo 42, 20133 Milan, Italy; (L.C.); (E.T.)
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31
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Wang J, Gong M, Zuo S, Xu J, Paul C, Li H, Liu M, Wang YG, Ashraf M, Xu M. WNT11-Conditioned Medium Promotes Angiogenesis through the Activation of Non-Canonical WNT-PKC-JNK Signaling Pathway. Genes (Basel) 2020; 11:E1277. [PMID: 33137935 PMCID: PMC7694138 DOI: 10.3390/genes11111277] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/25/2020] [Accepted: 10/26/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND We demonstrated that the transduction of Wnt11 into mesenchymal stem cells (MSCs) (MSCWnt11) promotes these cells differentiation into cardiac phenotypes. In the present study, we investigated the paracrine effects of MSCWnt11 on cardiac function and angiogenesis. METHODS AND RESULTS Conditioned medium was collected from MSCWnt11 (CdMWnt11) and their control cells (CdMGFP). CdMWnt11, especially obtained from MSCWnt11 exposed to hypoxia, significantly promoted human umbilical vein endothelial cells (HUVECs) migration and increased capillary-like tube (CLT) formation, which was blocked by Wnt11 neutralizing antibody. Wnt11 protein was significantly higher in CdMWnt11 compared to that in CdMGFP. Directly treating HUVECs with recombinant Wnt11 protein significantly increased CLT formation, which was abrogated by treating cells with the JNK inhibitor SP600125, as well as the PKC inhibitor Calphostin-C. Moreover, the transfection of Wnt11 to HUVECs (HWnt11) significantly increased CLT formation and HUVEC migration, as well as upregulated p-pan-PKC and p-JNK expression. Injection of CdMWnt11 into the peri-infarct region in a rat acute myocardial infarction (AMI) model significantly improved cardiac function, reduced infarct size, and increased myocardial blood flow and blood vessel density in the ischemic area. CONCLUSION Wnt11 released from MSCWnt11 increased angiogenesis and improved cardiac function via non-canonical Wnt-PKC-JNK dependent pathways.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Meifeng Xu
- Department of Pathology and Laboratory Medicine, University of Cincinnati Medical Center, Cincinnati, OH 45267, USA; (J.W.); (M.G.); (S.Z.); (J.X.); (C.P.); (H.L.); (M.L.); (Y.-G.W.); (M.A.)
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32
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Igal RA, Sinner DI. Stearoyl-CoA desaturase 5 (SCD5), a Δ-9 fatty acyl desaturase in search of a function. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1866:158840. [PMID: 33049404 DOI: 10.1016/j.bbalip.2020.158840] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/26/2020] [Accepted: 10/07/2020] [Indexed: 12/12/2022]
Abstract
A large body of research has demonstrated that human stearoyl-CoA desaturase 1 (SCD1), a universally expressed fatty acid Δ9-desaturase that converts saturated fatty acids (SFA) into monounsaturated fatty acids (MUFA), is a central regulator of metabolic and signaling pathways involved in cell proliferation, differentiation, and survival. Unlike SCD1, stearoyl-CoA desaturase 5 (SCD5), a second SCD isoform found in a variety of vertebrates, including humans, has received considerably less attention but new information on the catalytic properties, regulation and biological functions of this enzyme has begun to emerge. This review will examine the new evidence that supports key metabolic and biological roles for SCD5, as well as the potential implication of this desaturase in the mechanisms of human diseases.
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Affiliation(s)
- R Ariel Igal
- Institute of Human Nutrition and Department of Pediatrics, Columbia University Irving Medical Center, 630 West 168th Street, PH 1501 East, New York City, NY 10032, United States of America.
| | - Débora I Sinner
- Neonatology and Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Lab: R4447, Office: R4445, MLC 7009, 3333 Burnet Ave, Cincinnati, OH 45229, United States of America.
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Rapetti-Mauss R, Berenguier C, Allegrini B, Soriani O. Interplay Between Ion Channels and the Wnt/β-Catenin Signaling Pathway in Cancers. Front Pharmacol 2020; 11:525020. [PMID: 33117152 PMCID: PMC7552962 DOI: 10.3389/fphar.2020.525020] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022] Open
Abstract
Increasing evidence point out the important roles of ion channels in the physiopathology of cancers, so that these proteins are now considered as potential new therapeutic targets and biomarkers in this disease. Indeed, ion channels have been largely described to participate in many hallmarks of cancers such as migration, invasion, proliferation, angiogenesis, and resistance to apoptosis. At the molecular level, the development of cancers is characterised by alterations in transduction pathways that control cell behaviors. However, the interactions between ion channels and cancer-related signaling pathways are poorly understood so far. Nevertheless, a limited number of reports have recently addressed this important issue, especially regarding the interaction between ion channels and one of the main driving forces for cancer development: the Wnt/β-catenin signaling pathway. In this review, we propose to explore and discuss the current knowledge regarding the interplay between ion channels and the Wnt/β-catenin signaling pathway in cancers.
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Gupta G, Singh Y, Tiwari J, Raizaday A, Alharbi KS, Al-Abbasi FA, Kazmi I, Satija S, Tambuwala MM, Devkota HP, Krishnan A, Chellappan DK, Dua K. Beta-catenin non-canonical pathway: A potential target for inflammatory and hyperproliferative state via expression of transglutaminase 2 in psoriatic skin keratinocyte. Dermatol Ther 2020; 33:e14209. [PMID: 32816372 DOI: 10.1111/dth.14209] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 07/29/2020] [Accepted: 08/13/2020] [Indexed: 12/13/2022]
Abstract
Psoriasis is a chronic, local as well as a systemic, inflammatory skin condition. Psoriasis influences the quality of life up to 3.8% of the population and occurs often between 15 and 30 years of age. Specific causes are linked to psoriasis, including the interleukin IL-23/IL-17 Axis, human antigen leucocyte (HLA), and tumor necrosis factor-α (TNF-α). Secukinumab is a monoclonal antibody that specifically binds and neutralizes IL-17A required in the treatment of Psoriasis. The signaling pathways of Wnt govern multiple functions of cell-like fate specification, proliferation, polarity, migration, differentiation with their signaling controlled rigorously, given that dysregulation caused by various stimuli, can lead to alterations in cell proliferation, apoptosis, and human inflammatory disease. Current data has supported non-canonical Wnt signaling pathways in psoriasis development, particularly Wnt5a activated signaling cascades. These interconnected factors are significant in interactions between immune cells, keratinocytes, and inflammatory factors due to a higher degree of transglutaminase 2, mediated by activation of the keratinocyte hyperproliferation of the psoriatic patient's epidermis. This study discusses the pathology of Wnt5a signaling and its involvement in the epidermal inflammatory effects of psoriasis with other related pathways.
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Affiliation(s)
- Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jaipur, India
| | - Yogendra Singh
- Mahatma Gandhi College of Pharmaceutical Sciences, Jaipur, India
| | | | - Abhay Raizaday
- School of Pharmacy, Suresh Gyan Vihar University, Jaipur, India
| | - Khalid Saad Alharbi
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al-Jouf, Saudi Arabia
| | - Fahad A Al-Abbasi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Saurabh Satija
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India.,Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, New South Wales, Australia
| | - Murtaza M Tambuwala
- School of Pharmacy and Pharmaceutical Sciences, Ulster University, COLERAINE, Northern Ireland, United Kingdom
| | - Hari Prasad Devkota
- Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
| | - Anand Krishnan
- Department of Chemical Pathology, School of Pathology, Faculty of Health Sciences and National Health Laboratory Service, University of the Free State, Bloemfontein, South Africa
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, New South Wales, Australia
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Guan R, Zhang X, Guo M. Glioblastoma stem cells and Wnt signaling pathway: molecular mechanisms and therapeutic targets. Chin Neurosurg J 2020; 6:25. [PMID: 32922954 PMCID: PMC7398200 DOI: 10.1186/s41016-020-00207-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 07/06/2020] [Indexed: 12/22/2022] Open
Abstract
Glioblastoma is the most common form of primary brain tumor. Glioblastoma stem cells play an important role in tumor formation by activation of several signaling pathways. Wnt signaling pathway is one such important pathway which helps cellular differentiation to promote tumor formation in the brain. Glioblastoma remains to be a highly destructive type of tumor despite availability of treatment strategies like surgery, chemotherapy, and radiation. Advances in the field of cancer biology have revolutionized therapy by allowing targeting of tumor-specific molecular deregulation. In this review, we discuss about the significance of glioblastoma stem cells in cancer progression through Wnt signaling pathway and highlight the clinical targets being potentially considered for therapy in glioblastoma.
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Affiliation(s)
- Ruoyu Guan
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, Harbin, 150086 Heilongjiang Province China
| | - Xiaoming Zhang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150081 Heilongjiang Province China
| | - Mian Guo
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang, Harbin, 150086 Heilongjiang Province China
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Rothschild SC, Ingram SR, Lu FI, Thisse B, Thisse C, Parkerson JA, Tombes RM. Genetic compensation of γ CaMKII, an evolutionarily conserved gene. Gene 2020; 742:144567. [DOI: 10.1016/j.gene.2020.144567] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/05/2020] [Accepted: 03/08/2020] [Indexed: 12/26/2022]
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Kratzer MC, Becker SFS, Grund A, Merks A, Harnoš J, Bryja V, Giehl K, Kashef J, Borchers A. The Rho guanine nucleotide exchange factor Trio is required for neural crest cell migration and interacts with Dishevelled. Development 2020; 147:dev.186338. [PMID: 32366678 DOI: 10.1242/dev.186338] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 04/08/2020] [Indexed: 01/31/2023]
Abstract
Directional migration during embryogenesis and tumor progression faces the challenge that numerous external signals need to converge to precisely control cell movement. The Rho guanine exchange factor (GEF) Trio is especially well suited to relay signals, as it features distinct catalytic domains to activate Rho GTPases. Here, we show that Trio is required for Xenopus cranial neural crest (NC) cell migration and cartilage formation. Trio cell-autonomously controls protrusion formation of NC cells and Trio morphant NC cells show a blebbing phenotype. Interestingly, the Trio GEF2 domain is sufficient to rescue protrusion formation and migration of Trio morphant NC cells. We show that this domain interacts with the DEP/C-terminus of Dishevelled (DVL). DVL - but not a deletion construct lacking the DEP domain - is able to rescue protrusion formation and migration of Trio morphant NC cells. This is likely mediated by activation of Rac1, as we find that DVL rescues Rac1 activity in Trio morphant embryos. Thus, our data provide evidence for a novel signaling pathway, whereby Trio controls protrusion formation of cranial NC cells by interacting with DVL to activate Rac1.
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Affiliation(s)
- Marie-Claire Kratzer
- Philipps-Universität Marburg, Faculty of Biology, Molecular Embryology, 35043 Marburg, Germany.,DFG Research Training Group, Membrane Plasticity in Tissue Development and Remodeling, GRK 2213, Philipps-Universität Marburg, Marburg, Germany
| | - Sarah F S Becker
- Department of Development and Stem Cells, Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS UMR 7104/INSERM U1258, Université de Strasbourg, F-67400 Illkirch, CU Strasbourg, France
| | - Anita Grund
- Philipps-Universität Marburg, Faculty of Biology, Molecular Embryology, 35043 Marburg, Germany
| | - Anne Merks
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 13125 Berlin, Germany
| | - Jakub Harnoš
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno 62500, Czech Republic
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno 62500, Czech Republic.,Department of Cytokinetics, Institute of Biophysics of the Academy of Sciences of the Czech Republic v.v.i., Brno 61265, Czech Republic
| | - Klaudia Giehl
- Signal Transduction of Cellular Motility, Internal Medicine V, Justus Liebig University Giessen, D-35392 Giessen, Germany
| | - Jubin Kashef
- Institute for Photon Science and Synchrotron Radiation, Karlsruhe Institute of Technology (KIT), 76344 Eggenstein-Leopoldshafen, Germany
| | - Annette Borchers
- Philipps-Universität Marburg, Faculty of Biology, Molecular Embryology, 35043 Marburg, Germany .,DFG Research Training Group, Membrane Plasticity in Tissue Development and Remodeling, GRK 2213, Philipps-Universität Marburg, Marburg, Germany
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Ashrafizadeh M, Rafiei H, Mohammadinejad R, Farkhondeh T, Samarghandian S. Wnt-regulating microRNAs role in gastric cancer malignancy. Life Sci 2020; 250:117547. [PMID: 32173311 DOI: 10.1016/j.lfs.2020.117547] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 03/06/2020] [Accepted: 03/11/2020] [Indexed: 02/06/2023]
Abstract
Gastric cancer (GC) is responsible for high morbidity and mortality worldwide. This cancer claims fifth place among other cancers. There are a number of factors associated with GC development such as alcohol consumption and tobacco smoking. It seems that genetic factors play significant role in GC malignancy and progression. MicroRNAs (miRs) are short non-coding RNA molecules with negative impact on the expression of target genes. A variety of studies have elucidated the potential role of miRs in GC growth. Investigation of molecular pathways has revealed that miRs function as upstream modulators of Wnt signaling pathway. This signaling pathway involves in important biological processes such as cell proliferation and differentiation, and its dysregulation is associated with GC invasion. At the present review, we demonstrate that how miRs regulate Wnt signaling pathway in GC malignancy.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Hossein Rafiei
- Department of Biology, Faculty of Sciences, Shiraz Branch, Islamic Azad University, Shiraz, Iran
| | - Reza Mohammadinejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Healthy Ageing Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Li X, Ortiz MA, Kotula L. The physiological role of Wnt pathway in normal development and cancer. Exp Biol Med (Maywood) 2020; 245:411-426. [PMID: 31996036 PMCID: PMC7082880 DOI: 10.1177/1535370220901683] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Over the decades, many studies have illustrated the critical roles of Wnt signaling pathways in both developmental processes as well as tumorigenesis. Due to the complexity of Wnt signaling regulation, there are still questions to be addressed about ways cells are able to manipulate different types of Wnt pathways in order to fulfill the requirements for normal or cancer development. In this review, we will describe different types of Wnt signaling pathways and their roles in both normal developmental processes and their role in cancer development and progression. Additionally, we will briefly introduce new strategies currently in clinical trials targeting Wnt signaling pathway components for cancer therapy.
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Affiliation(s)
- Xiang Li
- Department of Urology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Maria A Ortiz
- Department of Urology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Leszek Kotula
- Department of Urology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Upstate Cancer Center, SUNY Upstate Medical University, Syracuse, NY 13210, USA
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Carreira-Barbosa F, Nunes SC. Wnt Signaling: Paths for Cancer Progression. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1219:189-202. [PMID: 32130700 DOI: 10.1007/978-3-030-34025-4_10] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The Wnt signaling pathways are well known for having several pivotal roles during embryonic development. However, the same developmental signaling pathways also present key roles in cancer initiation and progression. In this chapter, several issues regarding the roles of both canonical and non-canonical Wnt signaling pathways in cancer will be explored, mainly concerning their role in the maintenance of cancer stemness, in the metabolism reprograming of cancer cells and in the modulation of the tumor microenvironment. The role of Wnt signaling cascades in the response of cancer cells to anti-cancer treatments will be also discussed, as well as its potential therapeutic targeting during cancer treatment. Collectively, increasing evidence has been supporting pivotal roles of Wnt signaling in several features of cancer biology, however; a lot is still to be elucidated.
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Affiliation(s)
| | - Sofia C Nunes
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School | Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Lisbon, Portugal
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Williams ML, Solnica-Krezel L. Cellular and molecular mechanisms of convergence and extension in zebrafish. Curr Top Dev Biol 2020; 136:377-407. [DOI: 10.1016/bs.ctdb.2019.08.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Comprehensive Analysis of the Canonical and Non-canonical Wnt Signaling Pathways in Gastric Cancer. Dig Dis Sci 2019; 64:2830-2842. [PMID: 30997579 DOI: 10.1007/s10620-019-05606-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 03/27/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Previous studies showed that dysregulation of Wnt signaling by gene mutation and abnormal gene expression is one of the causative factors for gastric cancer (GC). So far, a systematic and comprehensive analysis of gene mutation, gene expression, and DNA methylation profiles of the Wnt pathway associated with gastric carcinogenesis, however, has not yet been reported. AIMS To this end, we investigated all the above-mentioned genetic alterations associated with the canonical and non-canonical Wnt pathways in GC tumors, in order to understand the molecular mechanism underlying gastric carcinogenesis. METHODS The information on gene mutations and expression was obtained from data resources, such as TCGA, GSEA, and TCGA-STAD, and was analyzed with the cBioPortal platform. We also performed in vitro analysis on DDK2 gene, a Wnt inhibitor, to characterize its role in GC tumor cells. RESULTS We found that gene mutations of 43 Wnt genes and abnormal expression of 13 Wnt genes occurred at a high frequency in GC tumors, and gene amplification and deletion are the major mutation types. Clusters of DNA methylation associated with Wnt signaling genes and GC tumors were also revealed, and a significant increase in β-catenin activity was found in the hypermethylated group of GC tumors. In addition, overexpression of DKK2 gene significantly inhibited multiple biological processes of the GC cells, including their growth, clonal forming, migration, and invasion ability, and induced apoptosis of the GC cells. CONCLUSIONS Our current study suggested that gene mutation, abnormal gene expression, and altered DNA methylation profiles associated with the Wnt signaling may play an important role in gastric carcinogenesis, and DKK2 gene may act as a tumor suppressor in gastric cells.
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Lang CMR, Chan CK, Veltri A, Lien WH. Wnt Signaling Pathways in Keratinocyte Carcinomas. Cancers (Basel) 2019; 11:cancers11091216. [PMID: 31438551 PMCID: PMC6769728 DOI: 10.3390/cancers11091216] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 08/17/2019] [Accepted: 08/19/2019] [Indexed: 12/12/2022] Open
Abstract
The skin functions as a barrier between the organism and the surrounding environment. Direct exposure to external stimuli and the accumulation of genetic mutations may lead to abnormal cell growth, irreversible tissue damage and potentially favor skin malignancy. Skin homeostasis is coordinated by an intricate signaling network, and its dysregulation has been implicated in the development of skin cancers. Wnt signaling is one such regulatory pathway orchestrating skin development, homeostasis, and stem cell activation. Aberrant regulation of Wnt signaling cascades not only gives rise to tumor initiation, progression and invasion, but also maintains cancer stem cells which contribute to tumor recurrence. In this review, we summarize recent studies highlighting functional evidence of Wnt-related oncology in keratinocyte carcinomas, as well as discussing preclinical and clinical approaches that target oncogenic Wnt signaling to treat cancers. Our review provides valuable insight into the significance of Wnt signaling for future interventions against keratinocyte carcinomas.
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Affiliation(s)
| | - Chim Kei Chan
- de Duve Institute, Université catholique de Louvain, Brussels 1200, Belgium
| | - Anthony Veltri
- de Duve Institute, Université catholique de Louvain, Brussels 1200, Belgium
| | - Wen-Hui Lien
- de Duve Institute, Université catholique de Louvain, Brussels 1200, Belgium.
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Shukla V, Kaushal JB, Kumar R, Popli P, Agnihotri PK, Mitra K, Dwivedi A. Microtubule depolymerization attenuates WNT4/CaMKIIα signaling in mouse uterus and leads to implantation failure. Reproduction 2019; 158:47-59. [DOI: 10.1530/rep-18-0611] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 04/04/2019] [Indexed: 01/24/2023]
Abstract
Microtubule (MT) dynamics plays a crucial role in fertilization and early embryonic development; however its involvement in uterus during embryo implantation remains unclear. Herein, we report the effect of microtubule depolymerization during embryo implantation in BALB/c mice. Intrauterine treatment with depolymerizing agent nocodazole at pre-implantation phase (D4, 07:00 h) in mice resulted into mitigation in receptivity markers viz. LIF, HoxA10, Integrin-β3, IHH, WNT4 and led to pregnancy failure. MT depolymerization in endometrial epithelial cells (EECs) also inhibited the blastocyst attachment and the adhesion. The decreased expression of MT polymerization-related proteins TPPP and α/β-tubulin in luminal and glandular epithelial cells along with the alteration in morphology of pinopodes in the luminal epithelium was observed in nocodazole receiving uteri. Nocodazole treatment also led to increased intracellular Ca+2levels in EECs, which indicated that altered Ca+2homeostasis might be responsible for implantation failure. Microtubule depolymerization inhibited WNT4 and Fz-2 interaction, thereby suppressing the downstream WNT4/CaMKIIα signaling cascades calmodulin and calcineurin which led to attenuation of NF-κB transcriptional promoter activity in EECs. MT depolymerization or CaMKIIα knockdown inhibited the transcription factor NFAT and NF-κB expression along with reduced secretion of prostaglandins PGE2 and PGF2α in mouse EECs. Overall, MT depolymerization impaired the WNT4/CaMKIIα signaling and suppressed the secretion of PGE2 and PGF2α in EECs which may be responsible for implantation failure in mice.
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45
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Jalil AS, Reddy SB, Plautz CZ. Cellular effects of diquat dibromide exposure: Interference with Wnt signaling and cytoskeletal development. TOXICOLOGY RESEARCH AND APPLICATION 2019. [DOI: 10.1177/2397847319858563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The herbicidal action of diquat dibromide (DD) on plant cells is due primarily to the initiation of reactive oxygen species (ROS) formation, lipoperoxidation, and apoptotic cell death. It has been demonstrated that oxidative stress also occurs in animal cells exposed to high concentrations of DD; however, observations of DD’s effects on animal cells at concentrations below the reported ROS-initiation threshold suggest that some of these effects may not be attributable to ROS-induced cell death. Our results suggest that DD causes disruption of the Wnt pathway, calcium dysregulation, and cytoskeletal damage during development. Using embryos of the pond snail Lymnaea palustris as our model organism, we observed increased mortality, developmental delay and abnormality, altered motility, calcium dysregulation, decreased heart rate, and arrhythmia in embryos exposed to DD. Sperm extracted from adult snails that were exposed to DD exhibit altered motility, increased abundance, and high mortality. Effects were quantified via real-time imaging, heart rate assessment, flow cytometry, and mortality scoring. We propose that there are two models for the mechanism of DD’s action in animal cells: at low concentrations (≤28 µg/L), apoptotic cell death does not occur, but cytoskeletal elements, calcium regulation, and Wnt signaling are compromised, causing irreversible damage in L. palustris embryos; such damage is partially remediated with antioxidants or lithium chloride. At high concentrations of DD (≥44.4 µg/L), calcium dysregulation may be triggered, leading to the establishment of an intracellular positive feedback loop of ROS formation in the mitochondria, calcium release from the endoplasmic reticulum, calcium efflux, and apoptotic cell death. Permanent cellular damage occurring from exposure to sublethal concentrations of this widespread herbicide underscores the importance of research that elucidates the mechanism of DD on nontarget organisms.
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Affiliation(s)
- Amaris S Jalil
- Department of Biology, Shepherd University, Shepherdstown, WV, USA
| | - Sneha B Reddy
- Department of Biology, Shepherd University, Shepherdstown, WV, USA
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TBC1d24-ephrinB2 interaction regulates contact inhibition of locomotion in neural crest cell migration. Nat Commun 2018; 9:3491. [PMID: 30154457 PMCID: PMC6113226 DOI: 10.1038/s41467-018-05924-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 08/02/2018] [Indexed: 11/08/2022] Open
Abstract
Although Eph-ephrin signalling has been implicated in the migration of cranial neural crest (CNC) cells, it is still unclear how ephrinB transduces signals regulating this event. We provide evidence that TBC1d24, a putative Rab35-GTPase activating protein (Rab35 GAP), complexes with ephrinB2 via the scaffold Dishevelled (Dsh) and mediates a signal affecting contact inhibition of locomotion (CIL) in CNC cells. Moreover, we found that, in migrating CNC, the interaction between ephrinB2 and TBC1d24 negatively regulates E-cadherin recycling in these cells via Rab35. Upon engagement of the cognate Eph receptor, ephrinB2 is tyrosine phosphorylated, which disrupts the ephrinB2/Dsh/TBC1d24 complex. The dissolution of this complex leads to increasing E-cadherin levels at the plasma membrane, resulting in loss of CIL and disrupted CNC migration. Our results indicate that TBC1d24 is a critical player in ephrinB2 control of CNC cell migration via CIL.
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47
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Cai C, Sang C, Du J, Jia H, Tu J, Wan Q, Bao B, Xie S, Huang Y, Li A, Li J, Yang K, Wang S, Lu Q. Knockout of tnni1b in zebrafish causes defects in atrioventricular valve development via the inhibition of the myocardial wnt signaling pathway. FASEB J 2018; 33:696-710. [PMID: 30044923 DOI: 10.1096/fj.201800481rr] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The proper development of atrioventricular (AV) valves is critical for heart morphogenesis and for the formation of the cardiac conduction system. Defects in AV valve development are the most common type of congenital heart defect. Cardiac troponin I ( ctnni), a structural and regulatory protein involved in cardiac muscle contraction, is a subunit of the troponin complex, but the functions and molecular mechanisms of ctnni during early heart development remain unclear. We created a knockout zebrafish model in which troponin I type 1b ( tnni1b) ( Tnni-HC, heart and craniofacial) was deleted using the clustered regularly interspaced short palindromic repeat/clustered regularly interspaced short palindromic repeat-associated protein system. In the homozygous mutant, the embryos showed severe pericardial edema, malformation of the heart tube, reduction of heart rate without contraction and with almost no blood flow, heart cavity congestion, and lack of an endocardial ring or valve leaflet, resulting in 88.8 ± 6.0% lethality at 7 d postfertilization. Deletion of tnni1b caused the abnormal expression of several markers involved in AV valve development, including bmp4, cspg2, has2, notch1b, spp1, and Alcam. Myocardial re-expression of tnni1b in mutants partially rescued the pericardial edema phenotype and AV canal (AVC) developmental defects. We further showed that tnni1b knockout in zebrafish and ctnni knockdown in rat h9c2 myocardial cells inhibited cardiac wnt signaling and that myocardial reactivation of wnt signaling partially rescued the abnormal expression of AVC markers caused by the tnni1b deletion. Taken together, our data suggest that tnni1b plays a vital role in zebrafish AV valve development by regulating the myocardial wnt signaling pathway.-Cai, C., Sang, C., Du, J., Jia, H., Tu, J., Wan, Q., Bao, B., Xie, S., Huang, Y., Li, A., Li, J., Yang, K., Wang, S., Lu, Q. Knockout of tnni1b in zebrafish causes defects in atrioventricular valve development via the inhibition of myocardial wnt signaling pathway.
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Affiliation(s)
- Chen Cai
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Caijun Sang
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Juan Du
- School Hospital, Huazhong University of Science and Technology, Wuhan, China; and
| | - Haibo Jia
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Jiayi Tu
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Qing Wan
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Binghao Bao
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Shanglun Xie
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Huang
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Ao Li
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Jiayu Li
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
| | - Kun Yang
- Exercise Immunology Center, Wuhan Sports University, Wuhan, China
| | - Song Wang
- Exercise Immunology Center, Wuhan Sports University, Wuhan, China
| | - Qunwei Lu
- Key Laboratory of Molecular Biophysics, Ministry of Education, College of Life Science and Technology, Center for Human Genome Research, Huazhong University of Science and Technology, Wuhan, China
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48
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Boyan BD, Olivares-Navarrete R, Berger MB, Hyzy SL, Schwartz Z. Role of Wnt11 during Osteogenic Differentiation of Human Mesenchymal Stem Cells on Microstructured Titanium Surfaces. Sci Rep 2018; 8:8588. [PMID: 29872092 PMCID: PMC5988747 DOI: 10.1038/s41598-018-26901-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 05/18/2018] [Indexed: 01/09/2023] Open
Abstract
Successful osseointegration of an endosseous implant involves migration and differentiation of mesenchymal stem cells (MSCs) on the implant surface. Micro-structured, hydrophilic titanium surfaces direct MSCs to undergo osteoblastic differentiation in vitro, in the absence of media additives commonly used in cultures grown on tissue culture polystyrene (TCPS). This process involves non-canonical Wnt5a, in contrast to canonical Wnt3a typically credited with osteoblastic differentiation on TCPS. Wnt proteins have been implicated in morphological development and tissue patterning, suggesting that additional Wnts may participate. Here, we demonstrate that Wnt11 is a mediator of osteoblast commitment of MSCs, and increases in a surface-roughness dependent manner. Experiments using cells silenced for Wnt11 indicate that cross-talk between Wnt5a and Wnt11 occurs. Wnt11 potentially acts upstream to Wnt5a, increasing Wnt5a expression and factors associated with osteogenesis. Thus, Wnt11 contributes to peri-implant bone formation distal to the implant surface through a heavily regulated signaling cascade of autocrine/paracrine proteins.
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Affiliation(s)
- Barbara D Boyan
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA. .,Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
| | - Rene Olivares-Navarrete
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Michael B Berger
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Sharon L Hyzy
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Zvi Schwartz
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, 23284, USA.,Department of Periodontics, University of Texas Health Science Center at San Antonio, San Antonio, Texas, 78229, USA
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Sharma M, Castro-Piedras I, Simmons GE, Pruitt K. Dishevelled: A masterful conductor of complex Wnt signals. Cell Signal 2018; 47:52-64. [PMID: 29559363 DOI: 10.1016/j.cellsig.2018.03.004] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 03/14/2018] [Accepted: 03/14/2018] [Indexed: 12/21/2022]
Abstract
The Dishevelled gene was first identified in Drosophila mutants with disoriented hair and bristle polarity [1-3]. The Dsh gene (Dsh/Dvl, in Drosophila and vertebrates respectively) gained popularity when it was discovered that it plays a key role in segment polarity during early embryonic development in Drosophila [4]. Subsequently, the vertebrate homolog of Dishevelled genes were identified in Xenopus (Xdsh), mice (Dvl1, Dvl2, Dvl3), and in humans (DVL1, DVL2, DVL3) [5-10]. Dishevelled functions as a principal component of Wnt signaling pathway and governs several cellular processes including cell proliferation, survival, migration, differentiation, polarity and stem cell renewal. This review will revisit seminal discoveries and also summarize recent advances in characterizing the role of Dishevelled in both normal and pathophysiological settings.
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Affiliation(s)
- Monica Sharma
- Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Isabel Castro-Piedras
- Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Glenn E Simmons
- Department of Biomedical Sciences, University of Minnesota, School of Medicine, Duluth, MN, USA
| | - Kevin Pruitt
- Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX, USA.
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50
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The Coordinated Activities of nAChR and Wnt Signaling Regulate Intestinal Stem Cell Function in Mice. Int J Mol Sci 2018; 19:ijms19030738. [PMID: 29510587 PMCID: PMC5877599 DOI: 10.3390/ijms19030738] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 02/27/2018] [Accepted: 03/03/2018] [Indexed: 12/14/2022] Open
Abstract
Cholinergic signaling, which modulates cell activities via nicotinic and muscarinic acetylcholine receptors (n- and mAChRs) in response to internal or external stimuli, has been demonstrated in mammalian non-neuronal cells that synthesize acetylcholine (ACh). One of the major pathways of excitatory transmission in the enteric nervous system (ENS) is mediated by cholinergic transmission, with the transmitter ACh producing excitatory potentials in postsynaptic effector cells. In addition to ACh-synthesizing and ACh-metabolizing elements in the ENS, the presence of non-neuronal ACh machinery has been reported in epithelial cells of the small and large intestines of rats and humans. However, little is known about how non-neuronal ACh controls physiological function in the intestine. Here, experiments using crypt-villus organoids that lack nerve and immune cells in culture suggest that endogenous ACh is synthesized in the intestinal epithelium to drive organoid growth and differentiation through activation of nAChRs. Treatment of organoids with nicotine enhanced cell growth and the expression of marker genes for stem and epithelial cells. On the other hand, the nAChR antagonist mecamylamine strongly inhibited the growth and differentiation of organoids, suggesting the involvement of nAChRs in the regulation of proliferation and differentiation of Lgr5-positive stem cells. More specifically, RNA sequencing analysis revealed that Wnt5a expression was dramatically upregulated after nicotine treatment, and Wnt5a rescued organoid growth and differentiation in response to mecamylamine. Taken together, our results indicate that coordinated activities of nAChR and Wnt signaling maintain Lgr5-positive stem cell activity and balanced differentiation. Furthermore, we could clearly separate the two groups, neuronal ACh in the ENS and non-neuronal ACh in the intestinal epithelium. Dysfunction of the non-neuronal cholinergic system is involved in the pathogenesis of disease. The data will increase our understanding of the cholinergic properties of non-neuronal cells and lead to optimization of drug therapy.
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