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Wang X, Lin J, Liu H, Zhao C, Tu Z, Xu D, Zhang E, Zhou Z, Qi X, Wang X, Lin Z. Single-cell and spatial sequencing identifies senescent and germinal tumor cells in adamantinomatous craniopharyngiomas. Cell Biosci 2024; 14:112. [PMID: 39223689 PMCID: PMC11370139 DOI: 10.1186/s13578-024-01299-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024] Open
Abstract
Adamantinomatous craniopharyngioma (ACP) is a clinically aggressive tumor without effective treatment method. Previous studies proposed a paracrine tumorigenesis model, in which oncogenic β-catenin induces senescence in pituitary stem cells and the senescent cells lead the formation of paracrine tumors through secretion of pro-tumorigenic factors. However, there lacks characterization on senescent cells in ACPs. Here, we profiled 12 ACPs with single-cell RNA and TCR-sequencing to elucidate the cellular atlas in ACPs and 3 of them were also subject to spatial sequencing to localize different subpopulations of the tumor cells. In total, we obtained the transcriptome profiles of 70,682 cells. Tumor cells, which were unambiguously identified through the cellular mutation status of the driver CTNNB1 mutations, were clustered into 6 subsets. The whorl-like cluster (WC) cells show distinct molecular features from the other tumor cells and the palisading epithelium (PE) cells consists of a proliferating subset. Other than typical PE and WC, we identified two novel subpopulations of the tumor cells. In one subpopulation, the cells express a high level of cytokines, e.g., FDCSP and S100A8/A9, and are enriched with the senescence-associated secretory phenotype (SASP) factors. Hematoxylin and eosin staining reveals that these SASP cells lack an ordered structures and their nuclei are elongated. In the other subpopulation, the cell sizes are small and they are tightly packed together with an unusual high density expressing a high level of mitochondrial genes (median 10.9%). These cells are the origin of the tumor developmental trajectories revealed by RNA velocity and pseudo-time analysis. Single-cell RNA and TCR analysis reveals that some ACPs are infiltrated with clonally expanded cytotoxic T cells. We propose a hypothesis that WC and PE are formed via different negative regulation mechanisms of the overactivated WNT/β-catenin signaling which provides a new understanding on the tumorigenesis of ACPs. The study lays a foundation for future studies on targeting senescent cells in ACPs with senolytic compounds or other therapeutic agents.
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Affiliation(s)
- Xianlong Wang
- Department of Bioinformatics, School of Medical Technology and Engineering, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China.
| | - Jincheng Lin
- Department of Bioinformatics, School of Medical Technology and Engineering, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Hongxing Liu
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
- Department of Neurosurgery, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Chuan Zhao
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
- Department of Neuro-Oncology, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Zhiwei Tu
- Department of Bioinformatics, School of Medical Technology and Engineering, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Dapeng Xu
- Department of Bioinformatics, School of Medical Technology and Engineering, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - En Zhang
- Department of Bioinformatics, School of Medical Technology and Engineering, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, China
| | - Zhongqing Zhou
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Xueling Qi
- Department of Pathology, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Xingfu Wang
- Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Zhixiong Lin
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China.
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Rather TB, Parveiz I, Rashid G, Akhtar K, Mudassar S, Wani RA, Besina S, Haq RIU. "GLI1 Subcellular Localization and Overexpression as Prognostic Factors for Disease-Free Survival in Colorectal Carcinoma". J Gastrointest Cancer 2024; 55:1359-1379. [PMID: 39018008 DOI: 10.1007/s12029-024-01090-y] [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] [Accepted: 07/08/2024] [Indexed: 07/18/2024]
Abstract
PURPOSE Glioma-associated oncogene homolog-1 (GLI1) is amplified in human glioblastoma, and there is growing evidence suggesting its significant role in tumor development and metastasis. Our aim was to investigate the role of the GLI-1 gene in the progression of colorectal cancer (CRC) and its correlation with various clinicopathological features. Additionally, we examined the impact of the GLI-1 gene and other factors on the prognosis of CRC. METHODS We analyzed a total of 98 confirmed CRC cases and adjacent normal tissue controls. Patients suspected of having colon cancer underwent a colonoscopy and targeted biopsy, while those with rectal cancer underwent CT scans and MRI. GLI1 expression was detected using real-time PCR assay, Western blotting, and immunohistochemistry. RESULTS The GLI1 gene was observed to be overexpressed in tumor tissues at both the protein and mRNA levels (p < 0.05). In addition, GLI1 overexpression was significantly associated with various factors such as tumor invasion (T3/T4), presence of lymph nodes, lymph node metastasis (LNM), stage (III/IV), tumor site (colon), tumor size (≥ 3 cm), localization (nucleocytoplasmic), strong staining intensity and recurrence (p < 0.05). The results of survival analysis showed that the patients with overexpression of GLI1 had a significantly lower DFS rate which was 21 months compared to those with normal expression who had 31 months (p < 0.05). Moreover, individuals with early onset disease (15 months) were more likely to have cytoplasmic localization of the GLI1 gene as opposed to nucleo-cytoplasmic localization of GLI1 which presented late-onset disease( 23 months) (p < 0.05). Finally, Stage and PNI (p < 0.05) were found to independently affect outcomes of CRC according to Cox regression analysis. CONCLUSION High expression of GLI-1 in CRC is associated with adverse pathology and poor prognosis for patients. The correlation between cytoplasmic localization of GLI-1 and reduced disease-free survival holds potential for guiding prognosis and treatment. Further research is needed to develop strategies targeting GLI-1 for improved outcomes.
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Affiliation(s)
- Tahseen Bilal Rather
- Department of Clinical Biochemistry, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, 190011, India
| | - Ishrat Parveiz
- Department of Clinical Biochemistry, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, 190011, India
| | - Gowhar Rashid
- Department of Medical Lab Technology, Amity Medical School Haryana, Amity University Haryana, Gurgaon, 125001, India
| | - Kulsum Akhtar
- Department of Clinical Biochemistry, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, 190011, India
| | - Syed Mudassar
- Department of Clinical Biochemistry, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, 190011, India.
| | - Rauf A Wani
- Department of General Surgery, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, 190011, India
| | - Syed Besina
- Department of Pathology, Sher-I-Kashmir Institute of Medical Sciences, Soura, Srinagar, 190011, India
| | - Rather Izhar Ul Haq
- Mycoplasma Laboratory, Faculty of Veterinary Sciences and Animal Husbandry, Shuhama, Alusteng, Srinagar, 190006, Bengaluru, India
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Lin X, Meng X, Lin J. The possible role of Wnt/β-catenin signalling in vitiligo treatment. J Eur Acad Dermatol Venereol 2023; 37:2208-2221. [PMID: 36912722 DOI: 10.1111/jdv.19022] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 02/08/2023] [Indexed: 03/14/2023]
Abstract
Vitiligo is a common chronic skin disease which has an adverse impact on patients' life. Its pathogenesis is complex, involving autoimmunity and oxidative stress (OS). Autoimmunity leads to the loss of epidermal melanocytes and the formation of the depigmented patches of the disease. Treatment of vitiligo should control the exaggerated immune response to arrest the progress of active disease, and then promote melanocytes to repigmentation. Wnt/β-catenin signalling pathway has been of recent interest in vitiligo. Wnt/β-catenin signalling pathway is downregulated in vitiligo. Upregulation of Wnt/β-catenin signalling possibly control vitiligo autoimmune response by protecting melanocyte from OS damage, inhibiting CD8+ T cell effector cell differentiation and enhancing Treg. Wnt/β-catenin signalling plays a critical role in the melanocyte regeneration by driving the differentiation of melanocyte stem cells (McSCs) into melanocytes. Promoting Wnt/β-catenin signalling can not only arrest the progress of active disease of vitiligo but also promote repigmentation. Some of the main effective therapies for vitiligo are likely to work by activating Wnt/β-catenin signalling. Agents that can enhance the effect of Wnt/β-catenin signalling may become potential candidates for the development of new drugs for vitiligo treatment.
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Affiliation(s)
- Xiran Lin
- Department of Dermatology, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Xianmin Meng
- Department of Pathology and Laboratory Medicine, Axia Women's Health, Oaks, Pennsylvania, USA
| | - Jingrong Lin
- Department of Dermatology, First Affiliated Hospital of Dalian Medical University, Dalian, China
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Kleszcz R, Frąckowiak M, Dorna D, Paluszczak J. Combinations of PRI-724 Wnt/β-Catenin Pathway Inhibitor with Vismodegib, Erlotinib, or HS-173 Synergistically Inhibit Head and Neck Squamous Cancer Cells. Int J Mol Sci 2023; 24:10448. [PMID: 37445628 DOI: 10.3390/ijms241310448] [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: 05/23/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
The Wnt/β-catenin, EGFR, and PI3K pathways frequently undergo upregulation in head and neck squamous carcinoma (HNSCC) cells. Moreover, the Wnt/β-catenin pathway together with Hedgehog (Hh) signaling regulate the activity of cancer stem cells (CSCs). The aim of this study was to investigate the effects of the combinatorial use of the Wnt/β-catenin and Hh pathway inhibitors on viability, cell cycle progression, apoptosis induction, cell migration, and expression of CSC markers in tongue (CAL 27) and hypopharynx (FaDu) cancer cells. Co-inhibition of Wnt signaling with EGFR or PI3K pathways was additionally tested. The cells were treated with selective inhibitors of signaling pathways: Wnt/β-catenin (PRI-724), Hh (vismodegib), EGFR (erlotinib), and PI3K (HS-173). Cell viability was evaluated by the resazurin assay. Cell cycle progression and apoptosis induction were tested by flow cytometric analysis after staining with propidium iodide and Annexin V, respectively. Cell migration was detected by the scratch assay and CSC marker expression by the R-T PCR method. Mixtures of PRI-724 and vismodegib affected cell cycle distribution, greatly reduced cell migration, and downregulated the transcript level of CSC markers, especially POU5F1 encoding OCT4. Combinations of PRI-724 with erlotinib or HS-173 were more potent in inducing apoptosis.
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Affiliation(s)
- Robert Kleszcz
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, 4, Święcickiego Str., 60-781 Poznań, Poland
| | - Mikołaj Frąckowiak
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, 4, Święcickiego Str., 60-781 Poznań, Poland
| | - Dawid Dorna
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, 4, Święcickiego Str., 60-781 Poznań, Poland
| | - Jarosław Paluszczak
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, 4, Święcickiego Str., 60-781 Poznań, Poland
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Borlongan MC, Wang H. Profiling and targeting cancer stem cell signaling pathways for cancer therapeutics. Front Cell Dev Biol 2023; 11:1125174. [PMID: 37305676 PMCID: PMC10247984 DOI: 10.3389/fcell.2023.1125174] [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: 12/16/2022] [Accepted: 05/15/2023] [Indexed: 06/13/2023] Open
Abstract
Tumorigenic cancer stem cells (CSCs) represent a subpopulation of cells within the tumor that express genetic and phenotypic profiles and signaling pathways distinct from the other tumor cells. CSCs have eluded many conventional anti-oncogenic treatments, resulting in metastases and relapses of cancers. Effectively targeting CSCs' unique self-renewal and differentiation properties would be a breakthrough in cancer therapy. A better characterization of the CSCs' unique signaling mechanisms will improve our understanding of the pathology and treatment of cancer. In this paper, we will discuss CSC origin, followed by an in-depth review of CSC-associated signaling pathways. Particular emphasis is given on CSC signaling pathways' ligand-receptor engagement, upstream and downstream mechanisms, and associated genes, and molecules. Signaling pathways associated with regulation of CSC development stand as potential targets of CSC therapy, which include Wnt, TGFβ (transforming growth factor-β)/SMAD, Notch, JAK-STAT (Janus kinase-signal transducers and activators of transcription), Hedgehog (Hh), and vascular endothelial growth factor (VEGF). Lastly, we will also discuss milestone discoveries in CSC-based therapies, including pre-clinical and clinical studies featuring novel CSC signaling pathway cancer therapeutics. This review aims at generating innovative views on CSCs toward a better understanding of cancer pathology and treatment.
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Affiliation(s)
- Mia C. Borlongan
- Master Program of Pharmaceutical Science College of Graduate Studies, Elk Grove, CA, United States
| | - Hongbin Wang
- Master Program of Pharmaceutical Science College of Graduate Studies, Elk Grove, CA, United States
- Department of Pharmaceutical and Biomedical Sciences College of Pharmacy, Elk Grove, CA, United States
- Department of Basic Science College of Medicine, California Northstate University, Elk Grove, CA, United States
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Lin WH, Cooper LM, Anastasiadis PZ. Cadherins and catenins in cancer: connecting cancer pathways and tumor microenvironment. Front Cell Dev Biol 2023; 11:1137013. [PMID: 37255594 PMCID: PMC10225604 DOI: 10.3389/fcell.2023.1137013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 05/03/2023] [Indexed: 06/01/2023] Open
Abstract
Cadherin-catenin complexes are integral components of the adherens junctions crucial for cell-cell adhesion and tissue homeostasis. Dysregulation of these complexes is linked to cancer development via alteration of cell-autonomous oncogenic signaling pathways and extrinsic tumor microenvironment. Advances in multiomics have uncovered key signaling events in multiple cancer types, creating a need for a better understanding of the crosstalk between cadherin-catenin complexes and oncogenic pathways. In this review, we focus on the biological functions of classical cadherins and associated catenins, describe how their dysregulation influences major cancer pathways, and discuss feedback regulation mechanisms between cadherin complexes and cellular signaling. We discuss evidence of cross regulation in the following contexts: Hippo-Yap/Taz and receptor tyrosine kinase signaling, key pathways involved in cell proliferation and growth; Wnt, Notch, and hedgehog signaling, key developmental pathways involved in human cancer; as well as TGFβ and the epithelial-to-mesenchymal transition program, an important process for cancer cell plasticity. Moreover, we briefly explore the role of cadherins and catenins in mechanotransduction and the immune tumor microenvironment.
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7
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Activation of the hedgehog signaling pathway is associated with the promotion of cell proliferation and epithelial-mesenchymal transition in chronic rhinosinusitis with nasal polyps. Eur Arch Otorhinolaryngol 2023; 280:1241-1251. [PMID: 36190554 DOI: 10.1007/s00405-022-07664-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 09/15/2022] [Indexed: 02/07/2023]
Abstract
PURPOSE To investigate the pathogenesis of the hedgehog (Hh) signaling pathway activated by inflammation in the development of chronic rhinosinusitis with nasal polyps (CRSwNP). METHODS The 82 people including CRSwNP patients (case group) and nasal septal deviation patients (control group) were recruited. The samples in the case group were collected and classified into two groups: mucosal tissue of nasal polyps (NP group) and mucosal tissue adjacent to nasal polyps (NM group), the samples were collected from the control group as CM group. Clinical characteristics were assessed. Hematoxylin and eosin (H&E) and immunohistochemical (IHC) staining were performed to detect eosinophils (EOS), the expression of the key genes of the pathway and epithelial-mesenchymal transition (EMT) markers in the samples. RESULTS There were significant differences in the nasal obstruction visual analog scale (VAS) score, rhinorrhea VAS score, percentage of blood EOS, blood EOS absolute counts and tissue EOS counts in the case group compared with the control group (P < 0.05). The EOS level and expression levels of PTCH1, SMO, Gli1, Gli2, Ki67 and vimentin were higher in NP group than in the other two groups (P < 0.05). E-cadherin expression was decreased in NP group (P < 0.05). A positive correlation between PTCH1 expression and CRSwNP Lund-Mackay score in NP group. CONCLUSIONS Our results indicated that the activation of Hh signaling pathway might promote cell proliferation and EMT occurrence, ultimately leading to the development of CRSwNP, which might provide a new target for treatment.
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Fetisov TI, Borunova AA, Antipova AS, Antoshina EE, Trukhanova LS, Gorkova TG, Zuevskaya SN, Maslov A, Gurova K, Gudkov A, Lesovaya EA, Belitsky GA, Yakubovskaya MG, Kirsanov KI. Targeting Features of Curaxin CBL0137 on Hematological Malignancies In Vitro and In Vivo. Biomedicines 2023; 11:biomedicines11010230. [PMID: 36672738 PMCID: PMC9856019 DOI: 10.3390/biomedicines11010230] [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: 12/01/2022] [Revised: 12/31/2022] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
The anticancer activity of Curaxin CBL0137, a DNA-binding small molecule with chromatin remodulating effect, has been demonstrated in different cancers. Herein, a comparative evaluation of CBL0137 activity was performed in respect to acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL), chronic myeloid leukemia and multiple myeloma (MM) cultured in vitro. MTT assay showed AML and MM higher sensitivity to CBL0137's cytostatic effect comparatively to other hematological malignancy cells. Flow cytometry cell cycle analysis revealed an increase in subG1 and G2/M populations after CBL0137 cell treatment, but the prevalent type of arrest varied. Apoptosis activation by CBL0137 measured by Annexin-V/PI dual staining was more active in AML and MM cells. RT2 PCR array showed that changes caused by CBL0137 in signaling pathways involved in cancer pathogenesis were more intensive in AML and MM cells. On the murine model of AML WEHI-3, CBL0137 showed significant anticancer effects in vivo, which were evaluated by corresponding changes in spleen and liver. Thus, more pronounced anticancer effects of CBL0137 in vitro were observed in respect to AML and MM. Experiments in vivo also indicated the perspective of CBL0137 use for AML treatment. This in accordance with the frontline treatment approach in AML using epigenetic drugs.
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Affiliation(s)
- Timur I. Fetisov
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Anna A. Borunova
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Alina S. Antipova
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Elena E. Antoshina
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Lubov S. Trukhanova
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Tatyana G. Gorkova
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | | | - Alexei Maslov
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Katerina Gurova
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Andrei Gudkov
- Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
| | - Ekaterina A. Lesovaya
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
- Department of Oncology, I.P. Pavlov Ryazan State Medical University, 390026 Ryazan, Russia
| | - Gennady A. Belitsky
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | | | - Kirill I. Kirsanov
- N.N. Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
- Correspondence:
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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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10
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Vergara IA, Aivazian K, Carlino MS, Guminski AD, Maher NG, Shannon KF, Ch'ng S, Saw RPM, Long GV, Wilmott JS, Scolyer RA. Genomic Profiling of Metastatic Basal cell Carcinoma Reveals Candidate Drivers of Disease and Therapeutic Targets. Mod Pathol 2023; 36:100099. [PMID: 36788083 DOI: 10.1016/j.modpat.2023.100099] [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: 10/26/2022] [Revised: 11/30/2022] [Accepted: 12/26/2022] [Indexed: 01/11/2023]
Abstract
Basal cell carcinomas (BCCs) are human beings' most common malignant tumors. Most are easily managed by surgery or topical therapies, and metastasis is rare. Although BCCs can become locally advanced, metastatic BCCs are very uncommon and may be biologically distinct. We assessed the clinicopathologic characteristics of 17 patients with metastatic BCC and pursued whole-exome sequencing of tumor and germline DNA from 8 patients. Genomic profiling revealed aberrant activation of Hedgehog signaling and alterations in GLI transcriptional regulators and Notch and Hippo signaling. Matched local recurrences of primary BCCs and metastases from 3 patients provided evidence of a clonal origin in all cases. Mutations associated with YAP inhibition were found exclusively in 2 hematogenously-spread lung metastases, and metastatic BCCs were enriched for mutations in the YAP/TAZ-binding domain of TEAD genes. Accordingly, YAP/TAZ nuclear localization was associated with metastatic types and Hippo mutations, suggesting an enhanced oncogenic role in hematogenously-spread metastases. Mutations in RET, HGF, and phosphatidylinositol 3‑kinase (PI3K)/protein kinase B (AKT) signaling were enriched compared with a cohort of low clinical-risk BCCs. Our results implicate Hippo and PI3K/AKT dysregulation in metastatic progression of BCCs, making these potential therapeutic targets in metastatic disease. The common clonal origin of matched recurrent and metastatic BCCs suggests that molecular profiling can assist in determining the nature/origin of poorly differentiated metastatic tumors of uncertain type. Genes and pathways enriched for mutations in this cohort are candidate drivers of metastasis and can be used to identify patients at high risk of metastasis who may benefit from aggressive local treatment and careful clinical follow-up.
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Affiliation(s)
- Ismael A Vergara
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia
| | - Karina Aivazian
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia
| | - Matteo S Carlino
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Department of Medicine, Blacktown Hospital, Blacktown, New South Wales, Australia; Department of Medicine, Crown Princess Mary Cancer Centre, Westmead Hospital, Sydney, New South Wales, Australia
| | - Alexander D Guminski
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Royal North Shore and Mater Hospitals, Sydney, NSW, Australia
| | - Nigel G Maher
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia
| | - Kerwin F Shannon
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
| | - Sydney Ch'ng
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
| | - Robyn P M Saw
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
| | - Georgina V Long
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia; Royal North Shore and Mater Hospitals, Sydney, NSW, Australia
| | - James S Wilmott
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia
| | - Richard A Scolyer
- Melanoma Institute Australia, The University of Sydney, Sydney, New South Wales, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia; Charles Perkin Centre, The University of Sydney, Sydney, NSW, Australia; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital and NSW Health Pathology, Sydney, NSW, Australia.
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Tang LY, Spezia M, Chen T, Shin JH, Wang F, Stappenbeck F, Lebensohn AM, Parhami F, Zhang YE. Oxysterol derivatives Oxy186 and Oxy210 inhibit WNT signaling in non-small cell lung cancer. Cell Biosci 2022; 12:119. [PMID: 35908024 PMCID: PMC9338492 DOI: 10.1186/s13578-022-00857-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/16/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Developmental signaling pathways such as those of Hedgehog (HH) and WNT play critical roles in cancer stem cell self-renewal, migration, and differentiation. They are often constitutively activated in many human malignancies, including non-small cell lung cancer (NSCLC). Previously, we reported that two oxysterol derivatives, Oxy186 and Oxy210, are potent inhibitors of HH/GLI signaling and NSCLC cancer cell growth. In addition, we also showed that Oxy210 is a potent inhibitor of TGF-β/SMAD signaling. In this follow-up study, we further explore the mechanism of action by which these oxysterols control NSCLC cell proliferation and tumor growth. RESULTS Using a GLI-responsive luciferase reporter assay, we show here that HH ligand could not mount a signaling response in the NSCLC cell line A549, even though Oxy186 and Oxy210 still inhibited non-canonical GLI activity and suppressed the proliferation of A549 cells. Further, we uncover an unexpected activity of these two oxysterols in inhibiting the WNT/β-catenin signaling at the level of LRP5/6 membrane receptors. We also show that in a subcutaneous xenograft tumor model generated from A549 cells, Oxy186, but not Oxy210, exhibits strong inhibition of tumor growth. Subsequent RNA-seq analysis of the xenograft tumor tissue reveal that the WNT/β-catenin pathway is the target of Oxy186 in vivo. CONCLUSION The oxysterols Oxy186 and Oxy210 both possess inhibitory activity towards WNT/β-catenin signaling, and Oxy186 is also a potent inhibitor of NSCLC tumor growth.
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Affiliation(s)
- Liu-Ya Tang
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, NIH, Building 37, RM 2056B, Bethesda, MD, 20892, USA
| | - Marie Spezia
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, NIH, Building 37, RM 2056B, Bethesda, MD, 20892, USA
| | - Ting Chen
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, NIH, Building 37, RM 2056B, Bethesda, MD, 20892, USA
| | - Jee-Hye Shin
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, NIH, Building 37, RM 2056B, Bethesda, MD, 20892, USA
| | - Feng Wang
- Max Biopharma. Inc, 2870 Colorado Avenue, Santa Monica, CA, 90404, USA
| | - Frank Stappenbeck
- Max Biopharma. Inc, 2870 Colorado Avenue, Santa Monica, CA, 90404, USA
| | - Andres M Lebensohn
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, NIH, Building 37, RM 2056B, Bethesda, MD, 20892, USA
| | - Farhad Parhami
- Max Biopharma. Inc, 2870 Colorado Avenue, Santa Monica, CA, 90404, USA
| | - Ying E Zhang
- Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, NIH, Building 37, RM 2056B, Bethesda, MD, 20892, USA.
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12
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Bose C, Das U, Kuilya TK, Mondal J, Bhadra J, Banerjee P, Goswami RK, Sinha S. Cananginone Abrogates EMT in Breast Cancer Cells through Hedgehog Signaling. Chem Biodivers 2022; 19:e202100823. [PMID: 35298074 DOI: 10.1002/cbdv.202100823] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 03/16/2022] [Indexed: 12/20/2022]
Abstract
Cananginones, a family of linear acetogenins found as secondary metabolites in the plant kingdom, show cytotoxicity against several types of cancer cells. We aimed to investigate the efficacy of cananginone and its mechanism as an anti-cancer agent. Our initial screening of Cananginone against HepG2, PC3, A549, and MCF7 cells showed anti-cancer activities and is more potent against MCF7 cells, consistent with the previous report. Next, cell-based assays have revealed that cananginone abrogates cancer stem cell renewal as well as Epithelial-Mesenchymal Transition (EMT) and increased the ROS level beyond the threshold level thus reducing the viability of cancer cells. In the connection of Hh-Gli to EMT, our study indicated that cananginone inhibits Gli1 in a non-canonical pathway. Presumably, this is the first report on the inhibitory activity of cananginone in the Hh pathway and is different from Hh-antagonists cyclopamine and GANT 61 considering the mechanism.
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Affiliation(s)
- Chandra Bose
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Ujjal Das
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Tapan Kumar Kuilya
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Joyanta Mondal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Jhuma Bhadra
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Priyanjalee Banerjee
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Rajib Kumar Goswami
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
| | - Surajit Sinha
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, India
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13
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Inhibition of epithelial SHH signaling exerts a dual protective effect against inflammation and epithelial–mesenchymal transition in inflammatory bowel disease. Toxicol In Vitro 2022; 82:105382. [DOI: 10.1016/j.tiv.2022.105382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/29/2022] [Accepted: 05/09/2022] [Indexed: 11/19/2022]
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14
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Garg C, khan H, Kaur A, Singh TG, Sharma VK, Singh SK. Therapeutic Implications of Sonic Hedgehog Pathway in Metabolic Disorders: Novel Target for Effective Treatment. Pharmacol Res 2022; 179:106194. [DOI: 10.1016/j.phrs.2022.106194] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 03/24/2022] [Accepted: 03/24/2022] [Indexed: 12/13/2022]
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15
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Wilczyński JR, Nowak M. Cancer Immunoediting: Elimination, Equilibrium, and Immune Escape in Solid Tumors. EXPERIENTIA SUPPLEMENTUM (2012) 2022; 113:1-57. [PMID: 35165859 DOI: 10.1007/978-3-030-91311-3_1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Emphasizing the dynamic processes between cancer and host immune system, the initially discovered concept of cancer immunosurveillance has been replaced by the current concept of cancer immunoediting consisting of three phases: elimination, equilibrium, and escape. Solid tumors composed of both cancer and host stromal cells are an example how the three phases of cancer immunoediting functionally evolve and how tumor shaped by the host immune system gets finally resistant phenotype. The elimination, equilibrium, and escape have been described in this chapter in details, including the role of immune surveillance, cancer dormancy, disruption of the antigen-presenting machinery, tumor-infiltrating immune cells, resistance to apoptosis, as well as the function of tumor stroma, microvesicles, exosomes, and inflammation.
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Affiliation(s)
- Jacek R Wilczyński
- Department of Gynecologic Surgery and Gynecologic Oncology, Medical University of Lodz, Lodz, Poland.
| | - Marek Nowak
- Department of Operative Gynecology and Gynecologic Oncology, Polish Mother's Memorial Hospital-Research Institute, Lodz, Poland
- Department of Operative and Endoscopic Gynecology, Medical University of Lodz, Lodz, Poland
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16
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Siyu P, Junxiang W, Qi W, Yimao Z, Shuguang J. The Role of GLI in the Regulation of Hepatic Epithelial-Mesenchymal Transition in Biliary Atresia. Front Pediatr 2022; 10:861826. [PMID: 35692978 PMCID: PMC9178093 DOI: 10.3389/fped.2022.861826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To study the regulatory role of GLI1/GLI2, a nuclear transcription factor of the Sonic hedgehog (Shh) signaling pathway, in epithelial-mesenchymal transition (EMT) related to hepatic fibrosis in patients with biliary atresia (BA). METHODS The messenger RNA (mRNA) and protein expression levels of GLI1/GLI2, Snail/Slug, and other Shh- and EMT-related cytokines were tested in the liver tissues of BA patients and animals. Then, GLI1/GLI2 was silenced and overexpressed in mouse intrahepatic bile duct epithelial cells (mIBECs) and BA animals to investigate changes in the mRNA and protein expression of EMT key factors and liver fibrosis indicators. After silencing and overexpression of GLI1/GLI2, immunofluorescence was used to detect the expression of cytokeratin-19 (CK19) and α-smooth muscle actin (α-SMA) in mIBECs, and hematoxylin and eosin (HE) staining and Masson staining were used to observe the degree of liver fibrosis in the BA animals. RESULTS Compared with the control, the mRNA and protein expression levels of GLI2, Snail, vimentin, and α-SMA were significantly increased and those of E-cadherin were significantly decreased in liver tissue from BA patients and animals. Overexpression of GLI2 increased the mRNA and protein expression levels of Snail, vimentin, and α-SMA and that of E-cadherin was significantly decreased in mIBECs and BA animals. After GLI2 silencing, the opposite pattern was observed. Immunofluorescence detection showed enhanced expression of the bile duct epithelial cell marker CK19 in mIBECs after GLI2 silencing and enhanced expression of the mesenchymal cell marker α-SMA after GLI2 overexpression. HE and Masson staining suggested that the GLI2-overexpressing group had a significantly higher degree of fibrosis. CONCLUSION The Shh signaling pathway plays an important role in fibrogenesis in BA. GLI2 can significantly regulate EMT in mIBECs and livers of BA mice.
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Affiliation(s)
- Pu Siyu
- Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Wang Junxiang
- Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Wang Qi
- Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Zhang Yimao
- Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Jin Shuguang
- Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, China
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17
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Tang X, Sui X, Weng L, Liu Y. SNAIL1: Linking Tumor Metastasis to Immune Evasion. Front Immunol 2021; 12:724200. [PMID: 34917071 PMCID: PMC8669501 DOI: 10.3389/fimmu.2021.724200] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 11/15/2021] [Indexed: 12/12/2022] Open
Abstract
The transcription factor Snail1, a key inducer of epithelial-mesenchymal transition (EMT), plays a critical role in tumor metastasis. Its stability is strictly controlled by multiple intracellular signal transduction pathways and the ubiquitin-proteasome system (UPS). Increasing evidence indicates that methylation and acetylation of Snail1 also affects tumor metastasis. More importantly, Snail1 is involved in tumor immunosuppression by inducing chemokines and immunosuppressive cells into the tumor microenvironment (TME). In addition, some immune checkpoints potentiate Snail1 expression, such as programmed death ligand 1 (PD-L1) and T cell immunoglobulin 3 (TIM-3). This mini review highlights the pathways and molecules involved in maintenance of Snail1 level and the significance of Snail1 in tumor immune evasion. Due to the crucial role of EMT in tumor metastasis and tumor immunosuppression, comprehensive understanding of Snail1 function may contribute to the development of novel therapeutics for cancer.
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Affiliation(s)
- Xiaolong Tang
- Department of Laboratory Medicine, Binzhou Medical University, Binzhou, China
| | - Xue Sui
- Department of Laboratory Medicine, Binzhou Medical University, Binzhou, China
| | - Liang Weng
- Department of Oncology, Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Xiangya Hospital, Central South University, Changsha, China.,Hunan International Science and Technology Collaboration Base of Precision Medicine for Cancer, Xiangya Hospital, Central South University, Changsha, China.,Hunan Provincial Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, China.,Institute of Gerontological Cancer Research, National Clinical Research Center for Gerontology, Changsha, China.,Center for Molecular Imaging of Central South University, Xiangya Hospital, Changsha, China
| | - Yongshuo Liu
- Department of Clinical Laboratory, Binzhou Medical University Hospital, Binzhou, China.,Biomedical Pioneering Innovation Center (BIOPIC), Beijing Advanced Innovation Center for Genomics, Peking-Tsinghua Center for Life Sciences, Peking University Genome Editing Research Center, State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing, China
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18
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Avery JT, Zhang R, Boohaker RJ. GLI1: A Therapeutic Target for Cancer. Front Oncol 2021; 11:673154. [PMID: 34113570 PMCID: PMC8186314 DOI: 10.3389/fonc.2021.673154] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/30/2021] [Indexed: 12/11/2022] Open
Abstract
GLI1 is a transcriptional effector at the terminal end of the Hedgehog signaling (Hh) pathway and is tightly regulated during embryonic development and tissue patterning/differentiation. GLI1 has low-level expression in differentiated tissues, however, in certain cancers, aberrant activation of GLI1 has been linked to the promotion of numerous hallmarks of cancer, such as proliferation, survival, angiogenesis, metastasis, metabolic rewiring, and chemotherapeutic resistance. All of these are driven, in part, by GLI1’s role in regulating cell cycle, DNA replication and DNA damage repair processes. The consequences of GLI1 oncogenic activity, specifically the activity surrounding DNA damage repair proteins, such as NBS1, and cell cycle proteins, such as CDK1, can be linked to tumorigenesis and chemoresistance. Therefore, understanding the underlying mechanisms driving GLI1 dysregulation can provide prognostic and diagnostic biomarkers to identify a patient population that would derive therapeutic benefit from either direct inhibition of GLI1 or targeted therapy towards proteins downstream of GLI1 regulation.
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Affiliation(s)
- Justin T Avery
- Oncology Department, Drug Discovery Division, Southern Research, Birmingham, AL, United States
| | - Ruowen Zhang
- Department of Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Rebecca J Boohaker
- Oncology Department, Drug Discovery Division, Southern Research, Birmingham, AL, United States
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19
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Baranova J, Dragunas G, Botellho MCS, Ayub ALP, Bueno-Alves R, Alencar RR, Papaiz DD, Sogayar MC, Ulrich H, Correa RG. Autism Spectrum Disorder: Signaling Pathways and Prospective Therapeutic Targets. Cell Mol Neurobiol 2021; 41:619-649. [PMID: 32468442 DOI: 10.1007/s10571-020-00882-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 05/16/2020] [Indexed: 12/11/2022]
Abstract
The Autism Spectrum Disorder (ASD) consists of a prevalent and heterogeneous group of neurodevelopmental diseases representing a severe burden to affected individuals and their caretakers. Despite substantial improvement towards understanding of ASD etiology and pathogenesis, as well as increased social awareness and more intensive research, no effective drugs have been successfully developed to resolve the main and most cumbersome ASD symptoms. Hence, finding better treatments, which may act as "disease-modifying" agents, and novel biomarkers for earlier ASD diagnosis and disease stage determination are needed. Diverse mutations of core components and consequent malfunctions of several cell signaling pathways have already been found in ASD by a series of experimental platforms, including genetic associations analyses and studies utilizing pre-clinical animal models and patient samples. These signaling cascades govern a broad range of neurological features such as neuronal development, neurotransmission, metabolism, and homeostasis, as well as immune regulation and inflammation. Here, we review the current knowledge on signaling pathways which are commonly disrupted in ASD and autism-related conditions. As such, we further propose ways to translate these findings into the development of genetic and biochemical clinical tests for early autism detection. Moreover, we highlight some putative druggable targets along these pathways, which, upon further research efforts, may evolve into novel therapeutic interventions for certain ASD conditions. Lastly, we also refer to the crosstalk among these major signaling cascades as well as their putative implications in therapeutics. Based on this collective information, we believe that a timely and accurate modulation of these prominent pathways may shape the neurodevelopment and neuro-immune regulation of homeostatic patterns and, hopefully, rescue some (if not all) ASD phenotypes.
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Affiliation(s)
- Juliana Baranova
- Department of Biochemistry, Chemistry Institute, University of São Paulo, Avenida Professor Lineu Prestes 748, Butantã, São Paulo, SP, 05508-000, Brazil
| | - Guilherme Dragunas
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, Avenida Professor Lineu Prestes 1524, Butantã, São Paulo, SP, 05508-000, Brazil
| | - Mayara C S Botellho
- Department of Biochemistry, Chemistry Institute, University of São Paulo, Avenida Professor Lineu Prestes 748, Butantã, São Paulo, SP, 05508-000, Brazil
| | - Ana Luisa P Ayub
- Department of Pharmacology, Federal University of São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Rebeca Bueno-Alves
- Department of Biochemistry, Chemistry Institute, University of São Paulo, Avenida Professor Lineu Prestes 748, Butantã, São Paulo, SP, 05508-000, Brazil
| | - Rebeca R Alencar
- Department of Biochemistry, Chemistry Institute, University of São Paulo, Avenida Professor Lineu Prestes 748, Butantã, São Paulo, SP, 05508-000, Brazil
| | - Debora D Papaiz
- Department of Pharmacology, Federal University of São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Mari C Sogayar
- Department of Biochemistry, Chemistry Institute, University of São Paulo, Avenida Professor Lineu Prestes 748, Butantã, São Paulo, SP, 05508-000, Brazil
- Cell and Molecular Therapy Center, School of Medicine, University of São Paulo, Rua Pangaré 100 (Edifício NUCEL), Butantã, São Paulo, SP, 05360-130, Brazil
| | - Henning Ulrich
- Department of Biochemistry, Chemistry Institute, University of São Paulo, Avenida Professor Lineu Prestes 748, Butantã, São Paulo, SP, 05508-000, Brazil
| | - Ricardo G Correa
- NCI-Designated Cancer Center, Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA, 92037, USA.
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20
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Kumar V, Vashishta M, Kong L, Wu X, Lu JJ, Guha C, Dwarakanath BS. The Role of Notch, Hedgehog, and Wnt Signaling Pathways in the Resistance of Tumors to Anticancer Therapies. Front Cell Dev Biol 2021; 9:650772. [PMID: 33968932 PMCID: PMC8100510 DOI: 10.3389/fcell.2021.650772] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/19/2021] [Indexed: 12/19/2022] Open
Abstract
Resistance to therapy is the major hurdle in the current cancer management. Cancer cells often rewire their cellular process to alternate mechanisms to resist the deleterious effect mounted by different therapeutic approaches. The major signaling pathways involved in the developmental process, such as Notch, Hedgehog, and Wnt, play a vital role in development, tumorigenesis, and also in the resistance to the various anticancer therapies. Understanding how cancer utilizes these developmental pathways in acquiring the resistance to the multi-therapeutic approach cancer can give rise to a new insight of the anti-therapy resistance mechanisms, which can be explored for the development of a novel therapeutic approach. We present a brief overview of Notch, Hedgehog, and Wnt signaling pathways in cancer and its role in providing resistance to various cancer treatment modalities such as chemotherapy, radiotherapy, molecular targeted therapy, and immunotherapy. Understanding the importance of these molecular networks will provide a rational basis for novel and safer combined anticancer therapeutic approaches for the improvement of cancer treatment by overcoming drug resistance.
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Affiliation(s)
- Vivek Kumar
- R&D Dept, Shanghai Proton and Heavy Ion Center (SPHIC), Shanghai, China.,Shanghai Key Laboratory of Radiation Oncology (20dz2261000), Shanghai, China.,Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai, China
| | - Mohit Vashishta
- R&D Dept, Shanghai Proton and Heavy Ion Center (SPHIC), Shanghai, China.,Shanghai Key Laboratory of Radiation Oncology (20dz2261000), Shanghai, China.,Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai, China
| | - Lin Kong
- Shanghai Key Laboratory of Radiation Oncology (20dz2261000), Shanghai, China.,Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai, China.,Department of Radiation Oncology, Shanghai Proton and Heavy Ion Center, Fudan University Cancer Hospital, Shanghai, China
| | - Xiaodong Wu
- R&D Dept, Shanghai Proton and Heavy Ion Center (SPHIC), Shanghai, China.,Shanghai Key Laboratory of Radiation Oncology (20dz2261000), Shanghai, China.,Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai, China
| | - Jiade J Lu
- Shanghai Key Laboratory of Radiation Oncology (20dz2261000), Shanghai, China.,Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai, China.,Department of Radiation Oncology, Shanghai Proton and Heavy Ion Center, Fudan University Cancer Hospital, Shanghai, China
| | - Chandan Guha
- Albert Einstein College of Medicine, The Bronx, NY, United States
| | - B S Dwarakanath
- R&D Dept, Shanghai Proton and Heavy Ion Center (SPHIC), Shanghai, China.,Shanghai Key Laboratory of Radiation Oncology (20dz2261000), Shanghai, China.,Shanghai Engineering Research Center of Proton and Heavy Ion Radiation Therapy, Shanghai, China
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21
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Upadhyay J, Patra J, Tiwari N, Salankar N, Ansari MN, Ahmad W. Dysregulation of Multiple Signaling Neurodevelopmental Pathways during Embryogenesis: A Possible Cause of Autism Spectrum Disorder. Cells 2021; 10:958. [PMID: 33924211 PMCID: PMC8074600 DOI: 10.3390/cells10040958] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/17/2021] [Accepted: 04/19/2021] [Indexed: 12/24/2022] Open
Abstract
Understanding the autistic brain and the involvement of genetic, non-genetic, and numerous signaling pathways in the etiology and pathophysiology of autism spectrum disorder (ASD) is complex, as is evident from various studies. Apart from multiple developmental disorders of the brain, autistic subjects show a few characteristics like impairment in social communications related to repetitive, restricted, or stereotypical behavior, which suggests alterations in neuronal circuits caused by defects in various signaling pathways during embryogenesis. Most of the research studies on ASD subjects and genetic models revealed the involvement of mutated genes with alterations of numerous signaling pathways like Wnt, hedgehog, and Retinoic Acid (RA). Despite significant improvement in understanding the pathogenesis and etiology of ASD, there is an increasing awareness related to it as well as a need for more in-depth research because no effective therapy has been developed to address ASD symptoms. Therefore, identifying better therapeutic interventions like "novel drugs for ASD" and biomarkers for early detection and disease condition determination are required. This review article investigated various etiological factors as well as the signaling mechanisms and their alterations to understand ASD pathophysiology. It summarizes the mechanism of signaling pathways, their significance, and implications for ASD.
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Affiliation(s)
- Jyoti Upadhyay
- Department of Pharmaceutical Sciences, School of Health Sciences, University of Petroleum and Energy Studies, Energy Acre Campus Bidholi, Dehradun 248007, Uttarakhand, India; (J.U.); (J.P.)
| | - Jeevan Patra
- Department of Pharmaceutical Sciences, School of Health Sciences, University of Petroleum and Energy Studies, Energy Acre Campus Bidholi, Dehradun 248007, Uttarakhand, India; (J.U.); (J.P.)
| | - Nidhi Tiwari
- Institute of Nuclear Medicine and Allied Sciences, Defence Research and Development Organisation, Delhi 110054, India;
| | - Nilima Salankar
- School of Computer Sciences, University of Petroleum and Energy Studies, Energy Acre Campus Bidholi, Dehradun 248007, Uttarakhand, India;
| | - Mohd Nazam Ansari
- Department of Pharmacology & Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Wasim Ahmad
- Department of Pharmacy, Mohammed Al-Mana College for Medical Sciences, Dammam 34222, Saudi Arabia;
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22
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Peng Y, Zhang X, Lin H, Deng S, Qin Y, He J, Hu F, Zhu X, Feng X, Wang J, Wei Y, Fan X, Lin H, Ashktorab H, Smoot D, Lv Y, Li S, Meltzer SJ, Jin Z. Dual activation of Hedgehog and Wnt/β-catenin signaling pathway caused by downregulation of SUFU targeted by miRNA-150 in human gastric cancer. Aging (Albany NY) 2021; 13:10749-10769. [PMID: 33848981 PMCID: PMC8064165 DOI: 10.18632/aging.202895] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 10/22/2020] [Indexed: 02/06/2023]
Abstract
Mounting evidence has shown that miRNA-150 expression is upregulated in gastric cancer (GC) and is associated with gastric carcinogenesis, but the underlying oncogenic mechanism remains elusive. Here, we discovered that miRNA-150 targets the tumor suppressor SUFU to promote cell proliferation, migration, and the epithelial-mesenchymal transition (EMT) via the dual activation of Hedgehog (Hh) and Wnt signaling. MiRNA-150 was highly expressed in GC tissues and cell lines, and the level of this miRNA was negatively related to that of SUFU. In addition, both the miRNA-150 and SUFU levels were associated with tumor differentiation. Furthermore, miRNA-150 activated GC cell proliferation and migration in vitro. We found that miRNA-150 inhibitors repressed not only Wnt signaling by promoting cytoplasmic β-catenin localization, but also repressed Hh signaling and EMT. MiRNA-150 inhibition also resulted in significant tumor volume reductions in vivo, suggesting the potential application of miRNA-150 inhibitors in GC therapy. The expression of genes downstream of Hh and Wnt signaling was also reduced in tumors treated with miRNA-150 inhibitors. Notably, anti-SUFU siRNAs rescued the inhibitory effects of miRNA-150 inhibitors on Wnt signaling, Hh activation, EMT, cell proliferation, cell migration, and colony formation. Taken together, these findings indicate that miRNA-150 is oncogenic and promotes GC cell proliferation, migration, and EMT by activating Wnt and Hh signaling via the suppression of SUFU expression.
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Affiliation(s)
- Yin Peng
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China,Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathology, Health Science Center, Shenzhen University, Shenzhen 518060, Guangdong, P.R. China
| | - Xiaojing Zhang
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China,Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathology, Health Science Center, Shenzhen University, Shenzhen 518060, Guangdong, P.R. China,Department of Pathology, Guangdong Province Key Laboratory of Molecular Oncologic Pathology, Guangzhou 510515, Guangdong, P.R. China
| | - Huijuan Lin
- Department of Ultrasound, Guangdong Women and Children Hospital, Guangzhou 510000, Guangdong, P.R. China,Department of Pathology and Pathophysiology, Guangzhou Medical University, Guangzhou 510000, Guangdong, P.R. China
| | - Shiqi Deng
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China
| | - Ying Qin
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Shenzhen University, Shenzhen 518000, Guangdong, P.R. China
| | - Jieqiong He
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China
| | - Fan Hu
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China
| | - Xiaohui Zhu
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China
| | - Xianling Feng
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China
| | - Jian Wang
- Department of Pathology and Pathophysiology, Guangzhou Medical University, Guangzhou 510000, Guangdong, P.R. China
| | - Yanjie Wei
- Center for High Performance Computing, Shenzhen Institutes of Advanced Technology, Shenzhen 518000, Guangdong, P.R. China
| | - Xinmin Fan
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China
| | - Huan Lin
- Department of Vascular Surgery, The First Affiliated Hospital of Shenzhen University, Shenzhen 518060, Guangdong, P.R. China
| | - Hassan Ashktorab
- Department of Medicine and Cancer Center, Howard University, College of Medicine, Washington, DC 20060, USA
| | - Duane Smoot
- Department of Medicine, Meharry Medical Center, Nashville, TN 37208, USA
| | - Yansi Lv
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China
| | - Song Li
- Shenzhen Science and Technology Development Exchange Center, Shenzhen 518060, Guangdong, P.R. China
| | - Stephen J. Meltzer
- Department of Medicine, GI Division, Johns Hopkins University School of Medicine and Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD 21287, USA
| | - Zhe Jin
- Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China,Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Pathology, Health Science Center, Shenzhen University, Shenzhen 518060, Guangdong, P.R. China
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23
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Jing D, Li C, Yao K, Xie X, Wang P, Zhao H, Feng JQ, Zhao Z, Wu Y, Wang J. The vital role of Gli1 + mesenchymal stem cells in tissue development and homeostasis. J Cell Physiol 2021; 236:6077-6089. [PMID: 33533019 DOI: 10.1002/jcp.30310] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 01/04/2021] [Accepted: 01/21/2021] [Indexed: 02/05/2023]
Abstract
The hedgehog (Hh) signaling pathway plays an essential role in both tissue development and homeostasis. Glioma-associated oncogene homolog 1 (Gli1) is one of the vital transcriptional factors as well as the direct target gene in the Hh signaling pathway. The cells expressing the Gli1 gene (Gli1+ cells) have been identified as mesenchymal stem cells (MSCs) that are responsible for various tissue developments, homeostasis, and injury repair. This review outlines some recent discoveries on the crucial roles of Gli1+ MSCs in the development and homeostasis of varieties of hard and soft tissues.
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Affiliation(s)
- Dian Jing
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chaoyuan Li
- Department of Oral Implantology, School and Hospital of Stomatology, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Tongji University, Shanghai, China
| | - Ke Yao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xudong Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Peiqi Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hu Zhao
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas, USA
| | - Jian Q Feng
- Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, Texas, USA
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yafei Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jun Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Periodontics, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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24
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Lu Y, Zhu Y, Deng S, Chen Y, Li W, Sun J, Xu X. Targeting the Sonic Hedgehog Pathway to Suppress the Expression of the Cancer Stem Cell (CSC)-Related Transcription Factors and CSC-Driven Thyroid Tumor Growth. Cancers (Basel) 2021; 13:cancers13030418. [PMID: 33499351 PMCID: PMC7866109 DOI: 10.3390/cancers13030418] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/12/2021] [Accepted: 01/20/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Poorly differentiated and anaplastic thyroid cancers respond poorly to surgery, radiation, and hormone therapy. Cancer stem cells play an important role in tumor growth, drug resistance, and recurrence. This study focuses on how the sonic hedgehog (Shh) pathway maintains thyroid cancer stem cell self-renewal and whether it can be targeted for anticancer therapy. The authors report that the Shh pathway regulates the expression of BMI1 and SOX2, two genes involved in stem cell self-renewal, and that targeting the Shh pathway has little effect on thyroid tumor xenografts but can inhibit the growth of tumor xenografts derived from thyroid cancer stem cells. This study advances the knowledge on how thyroid cancer stem cells regenerate and highlights the potential therapeutic values of targeting the Shh pathway. Abstract The sonic hedgehog (Shh) pathway plays important roles in tumorigenesis, tumor growth, drug resistance, and metastasis. We and others have reported earlier that this pathway is highly activated in thyroid cancer. However, its role in thyroid cancer stem cell (CSC) self-renewal and tumor development remains incompletely understood. B lymphoma Mo-MLV insertion region 1 homolog (BMI1) and SRY-Box Transcription Factor 2 (SOX2) are two CSC-related transcription factors that have been implicated in promoting CSC self-renewal. The objective of our current investigation was to determine the role of the Shh pathway in regulating BMI1 and SOX2 expression in thyroid cancer and promoting thyroid tumor growth and development. Here we report that inhibition of the Shh pathway by Gli1 siRNA or by cyclopamine and GANT61 reduced BMI1 and SOX2 expression in SW1736 and KAT-18 cells, two anaplastic thyroid cancer cell lines. The opposite results were obtained in cells overexpressing Gli1 or its downstream transcription factor Snail. The Shh pathway regulated SOX2 and BMI1 expression at a transcriptional and post-transcriptional level, respectively. GANT61 treatment suppressed the growth of SW1736 CSC-derived tumor xenografts but did not significantly inhibit the growth of tumors grown from bulk tumor cells. Clinicopathological analyses of thyroid tumor specimens by immunohistochemical (IHC) staining revealed that BMI1 and SOX2 were highly expressed in thyroid cancer and correlated with Gli1 expression. Our study provides evidence that activation of the Shh pathway leads to increased BMI1 and SOX2 expression in thyroid cancer and promotes thyroid CSC-driven tumor initiation. Targeting the Shh pathway may have therapeutic value for treating thyroid cancer and preventing recurrence.
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Affiliation(s)
- Yurong Lu
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China; (Y.L.); (Y.Z.); (S.D.); (Y.C.); (J.S.)
| | - Yiwen Zhu
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China; (Y.L.); (Y.Z.); (S.D.); (Y.C.); (J.S.)
| | - Shihan Deng
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China; (Y.L.); (Y.Z.); (S.D.); (Y.C.); (J.S.)
| | - Yuhuang Chen
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China; (Y.L.); (Y.Z.); (S.D.); (Y.C.); (J.S.)
| | - Wei Li
- College of Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China;
| | - Jing Sun
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China; (Y.L.); (Y.Z.); (S.D.); (Y.C.); (J.S.)
| | - Xiulong Xu
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China; (Y.L.); (Y.Z.); (S.D.); (Y.C.); (J.S.)
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou 225009, Jiangsu, China
- Correspondence: ; Tel.: +86-514-8797-7382; Fax: +86-514-8797-7046
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25
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WNT-β-catenin signalling - a versatile player in kidney injury and repair. Nat Rev Nephrol 2020; 17:172-184. [PMID: 32989282 DOI: 10.1038/s41581-020-00343-w] [Citation(s) in RCA: 212] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/06/2020] [Indexed: 12/11/2022]
Abstract
The WNT-β-catenin system is an evolutionary conserved signalling pathway that is of particular importance for morphogenesis and cell organization during embryogenesis. The system is usually suppressed in adulthood; however, it can be re-activated in organ injury and regeneration. WNT-deficient mice display severe kidney defects at birth. Transient WNT-β-catenin activation stimulates tissue regeneration after acute kidney injury, whereas sustained (uncontrolled) WNT-β-catenin signalling promotes kidney fibrosis in chronic kidney disease (CKD), podocyte injury and proteinuria, persistent tissue damage during acute kidney injury and cystic kidney diseases. Additionally, WNT-β-catenin signalling is involved in CKD-associated vascular calcification and mineral bone disease. The WNT-β-catenin pathway is tightly regulated, for example, by proteins of the Dickkopf (DKK) family. In particular, DKK3 is released by 'stressed' tubular epithelial cells; DKK3 drives kidney fibrosis and is associated with short-term risk of CKD progression and acute kidney injury. Thus, targeting the WNT-β-catenin pathway might represent a promising therapeutic strategy in kidney injury and associated complications.
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26
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Recent Advances in Signaling Pathways Comprehension as Carcinogenesis Triggers in Basal Cell Carcinoma. J Clin Med 2020; 9:jcm9093010. [PMID: 32961989 PMCID: PMC7565128 DOI: 10.3390/jcm9093010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 09/07/2020] [Accepted: 09/16/2020] [Indexed: 12/14/2022] Open
Abstract
Basal cell carcinoma (BCC) is the most common malignant skin tumor. BCC displays a different behavior compared with other neoplasms, has a slow evolution, and metastasizes very rarely, but sometimes it causes an important local destruction. Chronic ultraviolet exposure along with genetic factors are the most important risk factors involved in BCC development. Mutations in the PTCH1 gene are associated with Gorlin syndrome, an autosomal dominant disorder characterized by the occurrence of multiple BCCs, but are also the most frequent mutations observed in sporadic BCCs. PTCH1 encodes for PTCH1 protein, the most important negative regulator of the Hedgehog (Hh) pathway. There are numerous studies confirming Hh pathway involvement in BCC pathogenesis. Although Hh pathway has been intensively investigated, it remains incompletely elucidated. Recent studies on BCC tumorigenesis have shown that in addition to Hh pathway, there are other signaling pathways involved in BCC development. In this review, we present recent advances in BCC carcinogenesis.
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27
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Circ-GLI1 promotes metastasis in melanoma through interacting with p70S6K2 to activate Hedgehog/GLI1 and Wnt/β-catenin pathways and upregulate Cyr61. Cell Death Dis 2020; 11:596. [PMID: 32732916 PMCID: PMC7393080 DOI: 10.1038/s41419-020-02799-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 02/06/2023]
Abstract
Circular RNAs (circRNAs) are emerging regulators in the development of human cancers. However, the role of circRNAs in melanoma is poorly understood. Microarray analysis and qRT-PCR was applied to screen out circRNAs that were differentially expressed in melanoma cells compared to normal cells. Currently, we first proved that inhibition of CYR61, an angiogenesis factor with controversial functions in melanoma, restrained cell migration, invasion and angiogenesis in melanoma. Thereafter, a novel circRNA hsa_circ_0027247 derived from GLI1 (circ-GLI1) was identified to positively modulate CYR61 expression in melanoma cell lines. Besides, silencing circ-GLI1 hindered melanoma cell metastasis as well. Interestingly, we unveiled that circ-GLI1 enhanced CYR61 transcription by an indirect manner. Meanwhile, circ-GLI1 activated Hedgehog/GLI1 and Wnt/β-catenin pathways by affecting the degradation of GLI1 and β-catenin. Moreover, we found that circ-GLI1 interacted with p70S6K2 to induce GSK3β phosphorylation at Ser9, and therefore blocked the binding of GSK3β with GLI1 and β-catenin so as to elevate their protein expression. Of note, CYR61 was transcriptionally activated by MYC, a well-recognized downstream target of both GLI1 and β-catenin. In conclusion, circ-GLI1 exacerbates the metastasis and angiogenesis of melanoma by upregulating Cyr61 via p70S6K2-dependent activation of Hedgehog/GLI1 and Wnt/β-catenin pathways.
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28
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Liu W, Ruan T, Ji X, Ran D, Sun J, Shi H, Prinz RA, Sun J, Pan Z, Jiao X, Xu X. The Gli1-Snail axis contributes to Salmonella Typhimurium-induced disruption of intercellular junctions of intestinal epithelial cells. Cell Microbiol 2020; 22:e13211. [PMID: 32329192 DOI: 10.1111/cmi.13211] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 01/06/2020] [Accepted: 01/07/2020] [Indexed: 12/11/2022]
Abstract
Salmonella enterica serovar Typhimurium (S. Typhimurium) is a facultative intracellular pathogen that damages gastrointestinal tissue and causes severe diarrhoea. The mechanisms by which Salmonella disrupts epithelial barrier and increases the paracellular permeability are incompletely understood. Our present study aims to determine the role of Gli1, a transcription factor activated in the sonic hedgehog (Shh) pathway, in decreasing the levels of apical junction proteins in a Salmonella-infected human colonic epithelial cancer cell line, Caco-2, and in the intestinal tissue of Salmonella-infected mice. Here, we report that S. Typhimurium increased the mRNA and protein levels of Gli1 and Snail, a downstream transcription factor that plays an important role in the epithelial-to-mesenchymal transition (EMT). S. Typhimurium also decreased the levels of E-cadherin and three tight junction proteins (ZO-1, claudin-1, and occludin). Gli1 siRNA and GANT61, a Gli1-specific inhibitor, blocked S. Typhimurium-induced Snail expression, restored the levels of E-cadherin and tight junction proteins, and prevented S. Typhimurium-increased paracellular permeability. Further study showed that Gli1 was cross-activated by the MAP and PI-3 kinase pathways. S. Typhimurium devoid of sopB, an effector of the Type 3 secretion system (T3SS) responsible for AKT activation, was unable to induce Snail expression and to decrease the expression of apical junction proteins. Our study uncovered a novel role of Gli1 in mediating the Salmonella-induced disruption of the intestinal epithelial barrier.
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Affiliation(s)
- Wei Liu
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Tao Ruan
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Xiaoyue Ji
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Di Ran
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Jing Sun
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Huoying Shi
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Richard A Prinz
- Department of Surgery, NorthShore University Health System, Evanston, Illinois, USA
| | - Jun Sun
- Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Zhiming Pan
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, China
| | - Xinan Jiao
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, China
| | - Xiulong Xu
- Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, China.,Department of Cell and Molecular Medicine, Rush University Medical Center, Chicago, Illinois, USA
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Sneha S, Nagare RP, Sidhanth C, Krishnapriya S, Garg M, Ramachandran B, Murhekar K, Sundersingh S, Ganesan TS. The hedgehog pathway regulates cancer stem cells in serous adenocarcinoma of the ovary. Cell Oncol (Dordr) 2020; 43:601-616. [PMID: 32382997 DOI: 10.1007/s13402-020-00504-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 03/03/2020] [Accepted: 03/13/2020] [Indexed: 12/15/2022] Open
Abstract
PURPOSE Signaling by cancer stem cells (CSCs) is known to occur at least in part through conserved developmental pathways. Here, the role of one of these pathways, i.e., the hedgehog pathway, was evaluated in high-grade serous ovarian carcinoma (HGSOC). METHODS AND RESULTS We found that in HGSOC, hedgehog inhibitors (HHIs) GANT61, LDE225 and GDC0449 reduced or inhibited the formation of spheroids enriched in CSCs. Primary malignant cells (PMCs) in ascites from HGSOC patients cultured in the presence of HHIs showed significant reduction in CSCs. Sonic hedgehog (SHH) significantly increased the expression of ALDH1A1, which was inhibited by GANT61. In the presence of a SHH neutralizing antibody (5E1), a significant reduction in the number of spheroids was observed in HGSOC-derived cell lines. Further, the motility, migration and clonogenic growth of the cells were significantly reduced by HHIs. In the presence of GANT61, a reduction of cells from PMCs in the G0 phase of the cell cycle was observed. The magnitude of difference in expression of Gli1 in tumors from the same HGSOC patients at presentation and at interval debulking surgery was greater in patients who had a recurrence on follow up. GANT61 also significantly inhibited the growth of CSCs in nude mice. Finally, RNA sequencing of HGSOC cells treated with GANT61 showed a significantly reduced expression of CSC markers. CONCLUSIONS Our results indicate that the hedgehog pathway plays an important role in maintaining the integrity of CSCs in HGSOC and could be a potential therapeutic target.
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Affiliation(s)
- Smarakan Sneha
- Laboratory for Cancer Biology, Departments of Medical Oncology and Clinical Research, Cancer Institute (WIA), 38, Sardar Patel Road, Guindy, Chennai, Tamil Nadu, 600036, India
| | - Rohit P Nagare
- Laboratory for Cancer Biology, Departments of Medical Oncology and Clinical Research, Cancer Institute (WIA), 38, Sardar Patel Road, Guindy, Chennai, Tamil Nadu, 600036, India
| | - Chirukandath Sidhanth
- Laboratory for Cancer Biology, Departments of Medical Oncology and Clinical Research, Cancer Institute (WIA), 38, Sardar Patel Road, Guindy, Chennai, Tamil Nadu, 600036, India
| | - Syama Krishnapriya
- Laboratory for Cancer Biology, Departments of Medical Oncology and Clinical Research, Cancer Institute (WIA), 38, Sardar Patel Road, Guindy, Chennai, Tamil Nadu, 600036, India
| | - Manoj Garg
- Amity Institute of Molecular Medicine & Stem Cell Research, Amity University Campus, Sector-125, 201303, Noida, Uttar Pradesh, India
| | - Balaji Ramachandran
- Department of Molecular Oncology, Cancer Institute (WIA), Chennai, Tamil Nadu, India
| | - Kanchan Murhekar
- Department of Pathology, Cancer Institute (WIA), Chennai, Tamil Nadu, India
| | | | - Trivadi S Ganesan
- Laboratory for Cancer Biology, Departments of Medical Oncology and Clinical Research, Cancer Institute (WIA), 38, Sardar Patel Road, Guindy, Chennai, Tamil Nadu, 600036, India.
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30
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Yun SH, Park JI. Recent progress on the role and molecular mechanism of chicken ovalbumin upstream promoter-transcription factor II in cancer. J Int Med Res 2020; 48:300060520919236. [PMID: 32338091 PMCID: PMC7218465 DOI: 10.1177/0300060520919236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Chicken ovalbumin upstream promoter-transcription factor II (COUP-TFII) is an orphan receptor that regulates the expression of genes involved in development and homeostasis. COUP-TFII is also dysregulated in cancer, where it plays important roles in oncogenesis and malignant progression. Recent studies have also investigated altered microRNA-mediated regulation of COUP-TFII in cancer. Although many investigators have studied the expression and clinical significance of COUP-TFII in several cancer types, there remain many controversies regarding its role in these diseases. In this review, we will describe the functions and underlying molecular mechanisms of COUP-TFII in several cancers, especially colorectal, gastric, breast, and prostate cancer; additionally, we will briefly summarize what is known about microRNA-mediated regulation of COUP-TFII.
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Affiliation(s)
- Seong-Hoon Yun
- Department of Biochemistry, Dong-A University College of Medicine, Busan, Republic of Korea.,Peripheral Neuropathy Research Center, Dong-A University, Busan, Republic of Korea
| | - Joo-In Park
- Department of Biochemistry, Dong-A University College of Medicine, Busan, Republic of Korea.,Peripheral Neuropathy Research Center, Dong-A University, Busan, Republic of Korea
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31
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Ke B, Wang XN, Liu N, Li B, Wang XJ, Zhang RP, Liang H. Sonic Hedgehog/Gli1 Signaling Pathway Regulates Cell Migration and Invasion via Induction of Epithelial-to-mesenchymal Transition in Gastric Cancer. J Cancer 2020; 11:3932-3943. [PMID: 32328197 PMCID: PMC7171499 DOI: 10.7150/jca.42900] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 03/23/2020] [Indexed: 02/06/2023] Open
Abstract
Background: The aberrant activation of the Sonic hedgehog (Shh) signaling pathway is involved in progression of several types of cancer, including gastric cancer (GC). However, it remains uncertain whether it also plays a critical role in promoting cancer initiation and progression by inducing epithelial-to-mesenchymal transition (EMT) in GC. Thus, the aim of the present study was to determine whether the Shh pathway is involved in GC, and to investigate the function of the Shh pathway in the induction of EMT in GC. Materials and methods: The expression levels of Shh pathway members and EMT markers were examined in GC tissues by immunohistochemistry. The association between these factors and patient clinicopathological characteristics was analyzed. In addition, Gli-antagonist 61 (GANT61) was used to block Shh/Gli1 pathway activity, and recombinant Shh proteins (N-Shh) were used to activate the Shh pathway in GC cells. Wound healing and Transwell invasion and migration assays were performed to assess the effects of the Shh pathway on the migration and invasion of GC cells in vitro. Furthermore, western blot analysis was used to examine the changes in protein expression. Results: The results demonstrated that these Shh/Gli1 pathway members were upregulated in GC tissues, and that Gli1 upregulation was associated with tumor progression and a poor prognosis. Gli1 expression was negatively associated with E-cadherin (E-Cad) expression, and positively with Vimentin (VIM) expression in GC specimens. Further analysis revealed that when the Shh/Gli1 pathway was activated, the migratory and invasive abilities of GC cells were enhanced, and the expression levels of Gli1 and VIM were increased, while E-Cad expression was decreased. Opposite results were observed when the Shh/Gli1 pathway was blocked by GANT61. Conclusions: The present study indicated that the Shh/Gli1 pathway exhibits an abnormal activation pattern in GC with possible predictive and prognostic significance. The Shh/Gli1 pathway may promote the migratory and invasive potential of GC cells by inducing EMT. The Shh/Gli1 pathway can thus be considered as a potential therapeutic target for GC.
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Affiliation(s)
- Bin Ke
- Department of Gastric Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin, 300060, P.R. China
| | - Xiao-Na Wang
- Department of Gastric Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin, 300060, P.R. China
| | - Ning Liu
- Department of Gastric Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin, 300060, P.R. China
| | - Bin Li
- Department of Gastric Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin, 300060, P.R. China
| | - Xue-Jun Wang
- Department of Gastric Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin, 300060, P.R. China
| | - Ru-Peng Zhang
- Department of Gastric Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin, 300060, P.R. China
| | - Han Liang
- Department of Gastric Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin's Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin, 300060, P.R. China
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Clinically Actionable Insights into Initial and Matched Recurrent Glioblastomas to Inform Novel Treatment Approaches. JOURNAL OF ONCOLOGY 2019; 2019:4878547. [PMID: 32082376 PMCID: PMC7012245 DOI: 10.1155/2019/4878547] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 10/07/2019] [Accepted: 10/25/2019] [Indexed: 12/31/2022]
Abstract
Glioblastoma is the most common primary adult brain tumour, and despite optimal treatment, the median survival is 12–15 months. Patients with matched recurrent glioblastomas were investigated to try to find actionable mutations. Tumours were profiled using a validated DNA-based gene panel. Copy number variations (CNVs) and single nucleotide variants (SNVs) were examined, and potentially pathogenic variants and clinically actionable mutations were identified. The results revealed that glioblastomas were IDH-wildtype (IDHWT; n = 38) and IDH-mutant (IDHMUT; n = 3). SNVs in TSC2, MSH6, TP53, CREBBP, and IDH1 were variants of unknown significance (VUS) that were predicted to be pathogenic in both subtypes. IDHWT tumours had SNVs that impacted RTK/Ras/PI(3)K, p53, WNT, SHH, NOTCH, Rb, and G-protein pathways. Many tumours had BRCA1/2 (18%) variants, including confirmed somatic mutations in haemangioblastoma. IDHWT recurrent tumours had fewer pathways impacted (RTK/Ras/PI(3)K, p53, WNT, and G-protein) and CNV gains (BRCA2, GNAS, and EGFR) and losses (TERT and SMARCA4). IDHMUT tumours had SNVs that impacted RTK/Ras/PI(3)K, p53, and WNT pathways. VUS in KLK1 was possibly pathogenic in IDHMUT. Recurrent tumours also had fewer pathways (p53, WNT, and G-protein) impacted by genetic alterations. Public datasets (TCGA and GDC) confirmed the clinical significance of findings in both subtypes. Overall in this cohort, potentially actionable variation was most often identified in EGFR, PTEN, BRCA1/2, and ATM. This study underlines the need for detailed molecular profiling to identify individual GBM patients who may be eligible for novel treatment approaches. This information is also crucial for patient recruitment to clinical trials.
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Loh CY, Chai JY, Tang TF, Wong WF, Sethi G, Shanmugam MK, Chong PP, Looi CY. The E-Cadherin and N-Cadherin Switch in Epithelial-to-Mesenchymal Transition: Signaling, Therapeutic Implications, and Challenges. Cells 2019; 8:E1118. [PMID: 31547193 PMCID: PMC6830116 DOI: 10.3390/cells8101118] [Citation(s) in RCA: 697] [Impact Index Per Article: 139.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/16/2019] [Accepted: 09/19/2019] [Indexed: 12/17/2022] Open
Abstract
Epithelial-to-Mesenchymal Transition (EMT) has been shown to be crucial in tumorigenesis where the EMT program enhances metastasis, chemoresistance and tumor stemness. Due to its emerging role as a pivotal driver of tumorigenesis, targeting EMT is of great therapeutic interest in counteracting metastasis and chemoresistance in cancer patients. The hallmark of EMT is the upregulation of N-cadherin followed by the downregulation of E-cadherin, and this process is regulated by a complex network of signaling pathways and transcription factors. In this review, we summarized the recent understanding of the roles of E- and N-cadherins in cancer invasion and metastasis as well as the crosstalk with other signaling pathways involved in EMT. We also highlighted a few natural compounds with potential anti-EMT property and outlined the future directions in the development of novel intervention in human cancer treatments. We have reviewed 287 published papers related to this topic and identified some of the challenges faced in translating the discovery work from bench to bedside.
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Affiliation(s)
- Chin-Yap Loh
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
| | - Jian Yi Chai
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
| | - Ting Fang Tang
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Won Fen Wong
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore.
| | - Muthu Kumaraswamy Shanmugam
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore.
| | - Pei Pei Chong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
| | - Chung Yeng Looi
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya 47500, Malaysia.
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Pelullo M, Zema S, Nardozza F, Checquolo S, Screpanti I, Bellavia D. Wnt, Notch, and TGF-β Pathways Impinge on Hedgehog Signaling Complexity: An Open Window on Cancer. Front Genet 2019; 10:711. [PMID: 31552081 PMCID: PMC6736567 DOI: 10.3389/fgene.2019.00711] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 07/05/2019] [Indexed: 12/22/2022] Open
Abstract
Constitutive activation of the Hedgehog (Hh) signaling pathway is associated with increased risk of developing several malignancies. The biological and pathogenic importance of Hh signaling emphasizes the need to control its action tightly, both physiologically and therapeutically. Evidence of crosstalk between Hh and other signaling pathways is reported in many tumor types. Here, we provide an overview of the current knowledge about the communication between Hh and major signaling pathways, such as Notch, Wnt, and transforming growth factor β (TGF-β), which play critical roles in both embryonic and adult life. When these pathways are unbalanced, impaired crosstalk contributes to disease development. It is reported that more than one of these pathways are active in different type of tumors, at the same time. Therefore, starting from a plethora of stimuli that activate multiple signaling pathways, we describe the signals that preferentially converge on the Hh signaling cascade that influence its activity. Moreover, we highlight several connection points between Hh and Notch, Wnt, or TGF-β pathways, showing a reciprocal synergism that contributes to tumorigenesis, supporting a more malignant behavior by tumor cells, such as in leukemia and brain tumors. Understanding the importance of these molecular interlinking networks will provide a rational basis for combined anticancer drug development.
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Affiliation(s)
- Maria Pelullo
- Center of Life Nano Science Sapienza, Istituto Italiano di Tecnologia, Rome, Italy
| | - Sabrina Zema
- Department of Molecular Medicine, Sapienza University, Rome, Italy
| | | | - Saula Checquolo
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University, Latina, Italy
| | | | - Diana Bellavia
- Department of Molecular Medicine, Sapienza University, Rome, Italy
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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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Kumar S, Reynolds K, Ji Y, Gu R, Rai S, Zhou CJ. Impaired neurodevelopmental pathways in autism spectrum disorder: a review of signaling mechanisms and crosstalk. J Neurodev Disord 2019; 11:10. [PMID: 31202261 PMCID: PMC6571119 DOI: 10.1186/s11689-019-9268-y] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 05/02/2019] [Indexed: 12/11/2022] Open
Abstract
Background The development of an autistic brain is a highly complex process as evident from the involvement of various genetic and non-genetic factors in the etiology of the autism spectrum disorder (ASD). Despite being a multifactorial neurodevelopmental disorder, autistic patients display a few key characteristics, such as the impaired social interactions and elevated repetitive behaviors, suggesting the perturbation of specific neuronal circuits resulted from abnormal signaling pathways during brain development in ASD. A comprehensive review for autistic signaling mechanisms and interactions may provide a better understanding of ASD etiology and treatment. Main body Recent studies on genetic models and ASD patients with several different mutated genes revealed the dysregulation of several key signaling pathways, such as WNT, BMP, SHH, and retinoic acid (RA) signaling. Although no direct evidence of dysfunctional FGF or TGF-β signaling in ASD has been reported so far, a few examples of indirect evidence can be found. This review article summarizes how various genetic and non-genetic factors which have been reported contributing to ASD interact with WNT, BMP/TGF-β, SHH, FGF, and RA signaling pathways. The autism-associated gene ubiquitin-protein ligase E3A (UBE3A) has been reported to influence WNT, BMP, and RA signaling pathways, suggesting crosstalk between various signaling pathways during autistic brain development. Finally, the article comments on what further studies could be performed to gain deeper insights into the understanding of perturbed signaling pathways in the etiology of ASD. Conclusion The understanding of mechanisms behind various signaling pathways in the etiology of ASD may help to facilitate the identification of potential therapeutic targets and design of new treatment methods.
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Affiliation(s)
- Santosh Kumar
- Department of Biochemistry and Molecular Medicine, Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis School of Medicine, 2425 Stockton Blvd, Sacramento, CA, 95817, USA.
| | - Kurt Reynolds
- Department of Biochemistry and Molecular Medicine, Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis School of Medicine, 2425 Stockton Blvd, Sacramento, CA, 95817, USA
| | - Yu Ji
- Department of Biochemistry and Molecular Medicine, Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis School of Medicine, 2425 Stockton Blvd, Sacramento, CA, 95817, USA
| | - Ran Gu
- Department of Biochemistry and Molecular Medicine, Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis School of Medicine, 2425 Stockton Blvd, Sacramento, CA, 95817, USA
| | - Sunil Rai
- Department of Biochemistry and Molecular Medicine, Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis School of Medicine, 2425 Stockton Blvd, Sacramento, CA, 95817, USA
| | - Chengji J Zhou
- Department of Biochemistry and Molecular Medicine, Institute for Pediatric Regenerative Medicine of Shriners Hospitals for Children, University of California at Davis School of Medicine, 2425 Stockton Blvd, Sacramento, CA, 95817, USA.
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Riaz SK, Ke Y, Wang F, Kayani MA, Malik MFA. Influence of SHH/GLI1 axis on EMT mediated migration and invasion of breast cancer cells. Sci Rep 2019; 9:6620. [PMID: 31036836 PMCID: PMC6488587 DOI: 10.1038/s41598-019-43093-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 04/16/2019] [Indexed: 12/14/2022] Open
Abstract
Sonic Hedgehog signaling is critical for breast morphogenesis and cancer. The present study was conducted to explore the influence of SHH/GLI1 axis on epithelial mesenchymal transition and invasion in breast cancer cells. SHH/GLI1 positive samples demonstrated high expression of Snail and Vimentin with relatively low expression of E-cadherin. Overexpression of Vimentin and Snail in SHH/GLI1 positive patients was also associated with poor overall survival. Interestingly, GANT61 (GLI1 inhibitor) exposure significantly reduced cell viability and induced apoptosis at 10 µM. Suppression of Hedgehog pathway either by CRISPR mediated SHH knock out or GANT61 altered regulation of EMT markers in breast cancer cells. Moreover, in-activation of SHH/GLI1 axis also significantly restricted cell migration and invasiveness. These findings suggest that targeting SHH/GLI1 axis alters expression of EMT markers and abrogates neoplastic invasion in breast cancer cells.
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Affiliation(s)
- Syeda Kiran Riaz
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
- Centre for Cancer and Stem Cell Biology, Institute of Biosciences and Technology, Texas A&M Health Science Centre, Houston, Texas, USA
| | - Yuepeng Ke
- Centre for Cancer and Stem Cell Biology, Institute of Biosciences and Technology, Texas A&M Health Science Centre, Houston, Texas, USA
| | - Fen Wang
- Centre for Cancer and Stem Cell Biology, Institute of Biosciences and Technology, Texas A&M Health Science Centre, Houston, Texas, USA
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Chatterjee S, Sil PC. Targeting the crosstalks of Wnt pathway with Hedgehog and Notch for cancer therapy. Pharmacol Res 2019; 142:251-261. [PMID: 30826456 DOI: 10.1016/j.phrs.2019.02.027] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 01/23/2019] [Accepted: 02/25/2019] [Indexed: 12/12/2022]
Abstract
Wnt pathway is an evolutionarily conserved signaling pathway determining patterning of animal embryos, cell fate, cell polarity, and a substantial role in the origin and maintenance of stem cells. It has been found to crosstalk with two other major developmental pathways, Hedgehog and Notch, in many embryological development cascades and in maintaining stemness of stem cells Research has shown that all the three pathways are potent in inducing tumorigenesis, driving tumor progression and aiding epithelial to mesenchymal transition in malignant cells, apart from maintaining cancer stem cells population inside the tumor tissue. Cancer stem cells are thought to aid in the process of tumor relapse, as they survive therapy by displaying drug resistance and then repopulating tumor tissues. Hence the role of these crosstalks in cancer is under intensive research. Inhibition of all the three pathways individually have resulted in tumor regression, but not optimally, as treatment failure and cancer relapse have been found to occur. Hence, instead of targeting a single pathway, targeting the crosstalk network could be a better alternative to conventional cancer treatment. Also, elimination of both tumor cells as well as cancer stem cells implies a reduced chance of relapse. Drugs developed to target these crosstalking networks, when used in combinatorial therapy, can potentially increase the efficacy of the therapy to a very large extent.
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Affiliation(s)
- Sharmistha Chatterjee
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata, 700054, India
| | - Parames C Sil
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata, 700054, India.
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Gao H, Yin FF, Guan DX, Feng YX, Zheng QW, Wang X, Zhu M, Zhang XL, Cheng SQ, Chen TW, Jiang H, Zhang EB, Wang JJ, Ni QZ, Yuan YM, Zhang FK, Ma N, Cao HJ, Wang YK, Li JJ, Xie D. Liver cancer: WISP3 suppresses hepatocellular carcinoma progression by negative regulation of β-catenin/TCF/LEF signalling. Cell Prolif 2019; 52:e12583. [PMID: 30793395 PMCID: PMC6536422 DOI: 10.1111/cpr.12583] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 01/19/2019] [Accepted: 01/21/2019] [Indexed: 01/09/2023] Open
Abstract
Objectives Wnt1‐inducible signalling pathway protein 3 (WISP3/CCN6) belongs to the CCN (CYR61/CTGF/NOV) family of proteins, dysregulation of this family contributed to the tumorigenicity of various tumours. In this study, we need to explore its role in hepatocellular carcinoma that remains largely elusive. Materials and Methods The expression of WISP3/CCN6 was analysed by qRT‐PCR and Western blotting. Effects of WISP3 on proliferation and metastasis of HCC cells were examined, respectively, by MTT assay and Boyden Chamber. Roles of WISP3 on HCC tumour growth and metastatic ability in vivo were detected in nude mice. Related mechanism study was confirmed by immunofluorescence and Western blotting. Results The expression of WISP3 was significantly downregulated in HCC clinical samples and cell lines, and reversely correlated with the tumour size. Forced expression of WISP3 in HCC cells significantly suppressed cell growth and migration in vitro as well as tumour growth and metastatic seeding in vivo. In contrast, downregulation of WISP3 accelerated cell proliferation and migration, and promoted in vivo metastasis. Further study revealed that WISP3 inhibited the translocation of β‐catenin to the nucleus by activating glycogen synthase kinase‐3β (GSK3β). Moreover, constitutively active β‐catenin blocked the suppressive effects of WISP3 on HCC. Conclusions Our study showed that WISP3 suppressed the progression of HCC by negative regulation of β‐catenin/TCF/LEF signalling, providing WISP3 as a potential therapeutic candidate for HCC.
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Affiliation(s)
- Hong Gao
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Fen-Fen Yin
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Dong-Xian Guan
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yu-Xiong Feng
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Qian-Wen Zheng
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Xiang Wang
- Department of Surgery, First People's Hospital Affiliated, Huzhou University, Huzhou, China
| | - Min Zhu
- Department of Surgery, First People's Hospital Affiliated, Huzhou University, Huzhou, China
| | - Xue-Li Zhang
- Department of General Surgery, Fengxian Hospital Affiliated to Southern Medical University, Shanghai, China
| | - Shu-Qun Cheng
- Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Tian-Wei Chen
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Hao Jiang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Er-Bin Zhang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Jing-Jing Wang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Qian-Zhi Ni
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yan-Mei Yuan
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Feng-Kun Zhang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Ning Ma
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Hui-Jun Cao
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yi-Kang Wang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Jing-Jing Li
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Dong Xie
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai, China.,NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing, China
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Qin T, Li B, Feng X, Fan S, Liu L, Liu D, Mao J, Lu Y, Yang J, Yu X, Zhang Q, Zhang J, Song B, Li M, Li L. Abnormally elevated USP37 expression in breast cancer stem cells regulates stemness, epithelial-mesenchymal transition and cisplatin sensitivity. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:287. [PMID: 30482232 PMCID: PMC6258492 DOI: 10.1186/s13046-018-0934-9] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 10/18/2018] [Indexed: 01/04/2023]
Abstract
Background Recent studies have indicated that deubiquitinating enzymes (DUBs) are related to the stem-cell pathway network and chemo-resistance in cancer. Ubiquitin-specific peptidase 37 (USP37), a novel DUB, was identified to be a potential factor associated with tumor progression. However, the biological functions of USP37 in breast cancer remain unclear. Methods The distribution of USP37 expression in breast cancer and the correlation between USP37 expression and the overall survival rate were detected by The Cancer Genome Atlas (TCGA) database. Gene set enrichment analysis (GSEA) was utilized to evaluate potential mechanism of USP37 in breast cancer. The USP37 expression in breast cancer tissues and breast cancer cell lines were detected by immunohistochemistry and western blotting. Sorting of breast cancer stem cells (BCSCs) were by using MACS assay. In vitro and in vivo assays were performed to examine the biological functions of USP37 in breast cancer cells. MG132, CHX chase, immunofluorescence staining and co-immunoprecipitation assays were used to test the interaction between USP37 and Gli-1. Results Bioinformatics analysis demonstrated that USP37 gene was elevated in breast cancer tissues and its overexpression was strongly correlated with the increased mortality rate. GSEA analysis showed that USP37 expression was positively associated with cell growth and metastasis while negatively related to cell apoptosis in the TCGA breast cancer samples. USP37 expression was elevated in breast cancer tissues and breast cancer cell lines. Moreover, we also detected that USP37 was overexpressed in BCSCs. USP37 regulated the ability of cell invasion, epithelial-mesenchymal transition (EMT), stemness and cisplatin sensitivity in breast cancer cell lines. Additionally, USP37 knockdown inhibited tumorigenicity and increased anticancer effect of cisplatin in vivo. Knockdown of USP37 significantly decreased hedgehog (Hh) pathway components Smo and Gli-1. Gli-1 was stabilized by USP37 and they interacted with each other. Further studies indicated that USP37 knockdown could inhibit the stemness, cell invasion and EMT in breast cancer via downregulation of Hh pathway. Conclusions These findings reveal that USP37 is highly expressed in BCSCs and is correlated with poor prognosis in breast cancer patients. USP37 can regulate the stemness, cell invasion and EMT via Hh pathway, and decreased USP37 confers sensitivity to cisplatin in breast cancer cells. USP37 is required for the regulation of breast cancer progression, as well as a critical target for clinical treatment of breast cancer. Electronic supplementary material The online version of this article (10.1186/s13046-018-0934-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Tao Qin
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China.,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Bai Li
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China.,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Xiaoyue Feng
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China.,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Shujun Fan
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China.,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Lei Liu
- Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China
| | - Dandan Liu
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China.,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Jun Mao
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China.,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Ying Lu
- Teaching Laboratory of Morphology, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Jinfeng Yang
- Department of Pathology, Xiangyang Central Hospital, Xiangyang, 441000, People's Republic of China
| | - Xiaotang Yu
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Qingqing Zhang
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Jun Zhang
- Department of Dean, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Bo Song
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China.,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Man Li
- Department of Oncology, The Second Affiliated Hospital of Dalian Medical University, Dalian, 116023, Liaoning Province, People's Republic of China.
| | - Lianhong Li
- Department of Pathology, Dalian Medical University, Dalian, 116044, People's Republic of China. .,The Key Laboratory of Tumor Stem Cell Research of Liaoning Province, Dalian Medical University, Dalian, 116044, People's Republic of China.
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Amarante MK, Vitiello GAF, Rosa MH, Mancilla IA, Watanabe MAE. Potential use of CXCL12/CXCR4 and sonic hedgehog pathways as therapeutic targets in medulloblastoma. Acta Oncol 2018; 57:1134-1142. [PMID: 29771176 DOI: 10.1080/0284186x.2018.1473635] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Medulloblastoma (MB) is the most common malignant brain tumor occurring in children, and although high long-term survival rates have been reached with current therapeutic protocols, several neurological injuries are still observed among survivors. It has been shown that the development of MB is highly dependent on the microenvironment surrounding it and that the CXCL12 chemokine and its receptor, CXCR4 and the Sonic Hedgehog (SHH) pathway are crucial for cerebellar development, coordinating proliferation and migration of embryonic cells and malfunctions in these axes can lead to MB development. Indeed, the concomitant overactivation of these axes was suggested to define a new MB molecular subgroup. New molecules are being studied, aiming to inhibit either CXCR4 or the SHH pathways and have been tested in preclinical settings for the treatment of cancers. The use of these molecules could improve MB treatment and save patients from aggressive surgery, chemotherapy and radiotherapy regimens, which are responsible for severe neurological consequences. This review aims to summarize current data about the experimental inhibition of CXCR4 and SHH pathways in MB and its potential implications in treatment of this cancer.
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Affiliation(s)
| | | | - Marcos Henrique Rosa
- Department of Pathological Sciences, Londrina State University, Londrina, Brazil
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Cross-Talk between Wnt and Hh Signaling Pathways in the Pathology of Basal Cell Carcinoma. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15071442. [PMID: 29987229 PMCID: PMC6069411 DOI: 10.3390/ijerph15071442] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 07/05/2018] [Accepted: 07/05/2018] [Indexed: 12/19/2022]
Abstract
Basal cell carcinoma (BCC) is the most frequently occurring form of all cancers. The cost of care for BCC is one of the highest for all cancers in the Medicare population in the United States. Activation of Hedgehog (Hh) signaling pathway appears to be a key driver of BCC development. Studies involving mouse models have provided evidence that activation of the glioma-associated oncogene (GLI) family of transcription factors is a key step in the initiation of the tumorigenic program leading to BCC. Activation of the Wnt pathway is also observed in BCCs. In addition, the Wnt signaling pathway has been shown to be required in Hh pathway-driven development of BCC in a mouse model. Cross-talks between Wnt and Hh pathways have been observed at different levels, yet the mechanisms of these cross-talks are not fully understood. In this review, we examine the mechanism of cross-talk between Wnt and Hh signaling in BCC development and its potential relevance for treatment. Recent studies have identified insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1), a direct target of the Wnt/β-catenin signaling, as the factor that binds to GLI1 mRNA and upregulates its levels and activities. This mode of regulation of GLI1 appears important in BCC tumorigenesis and could be explored in the treatment of BCCs.
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Cai Z, Cao Y, Luo Y, Hu H, Ling H. Signalling mechanism(s) of epithelial-mesenchymal transition and cancer stem cells in tumour therapeutic resistance. Clin Chim Acta 2018; 483:156-163. [PMID: 29709449 DOI: 10.1016/j.cca.2018.04.033] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 04/24/2018] [Accepted: 04/25/2018] [Indexed: 02/06/2023]
Abstract
Epithelial-mesenchymal transition (EMT) leads to tumour progression, including tumour metastasis, disease recurrence and therapy resistance. Cancer stem cells (CSCs) are a small group of cells that have the ability to undergo self-renewal and heterogeneous differentiation, which play a key role in the occurrence and development of cancer. EMT can promote tumour cells to develop stem cell characteristics, which makes tumours more difficult to treat. Therefore, exploring the role of EMT and CSCs in the metastasis of cancer is of great significance to guide tumour treatment and prognosis. In this review, we discuss EMT and CSCs in cancer progression and therapeutic resistance, with a special focus on the common characteristics and relationships between these processes, to explore the crucial relationships in the development of improved anti-tumour therapies. AREAS COVERED In this brief review article, the author has searched PubMed and Wikipedia for original research and reviewed articles to gather current information on the association of CSCs and EMT with therapeutic resistance characteristics, cancer growth and metastasis, which are believed to be regulated by the TGF-β, Wnt, Hedgehog (Hh), β-catenin, STAT3, Notch, and Nanog signalling pathways and other factors (miRNAs, microenvironment and additional cytokines).
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Affiliation(s)
- Zhihong Cai
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, University of South China, Hengyang, PR China
| | - Yijing Cao
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, University of South China, Hengyang, PR China
| | - Yichen Luo
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, University of South China, Hengyang, PR China
| | - Haobin Hu
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, University of South China, Hengyang, PR China
| | - Hui Ling
- Key Laboratory of Tumor Cellular & Molecular Pathology (University of South China),College of Hunan Province, Cancer Research Institute, University of South China, Hengyang, PR China.
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Targeting GLI Transcription Factors in Cancer. Molecules 2018; 23:molecules23051003. [PMID: 29695137 PMCID: PMC6100584 DOI: 10.3390/molecules23051003] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 04/19/2018] [Accepted: 04/20/2018] [Indexed: 12/22/2022] Open
Abstract
Aberrant activation of hedgehog (Hh) signaling has been observed in a wide variety of tumors and accounts for more than 25% of human cancer deaths. Inhibitors targeting the Hh signal transducer Smoothened (SMO) are widely used and display a good initial efficacy in patients suffering from basal cell carcinoma (BCC); however, a large number of patients relapse. Though SMO mutations may explain acquired therapy resistance, a growing body of evidence suggests that the non-canonical, SMO-independent activation of the Hh pathway in BCC patients can also account for this adverse effect. In this review, we highlight the importance of glioma-associated oncogene (GLI) transcription factors (the main downstream effectors of the canonical and the non-canonical Hh cascade) and their putative role in the regulation of multiple oncogenic signaling pathways. Moreover, we discuss the contribution of the Hh signaling to malignant transformation and propose GLIs as central hubs in tumor signaling networks and thus attractive molecular targets in anti-cancer therapies.
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Li H, Yue D, Jin JQ, Woodard GA, Tolani B, Luh TM, Giroux-Leprieur E, Mo M, Chen Z, Che J, Zhang Z, Zhou Y, Wang L, Hao X, Jablons D, Wang C, He B. Gli promotes epithelial-mesenchymal transition in human lung adenocarcinomas. Oncotarget 2018; 7:80415-80425. [PMID: 27533453 PMCID: PMC5348330 DOI: 10.18632/oncotarget.11246] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 07/28/2016] [Indexed: 01/18/2023] Open
Abstract
Adenocarcinoma is the most common type of lung cancer. Epithelial-mesenchymal transition (EMT) is required for tumor invasion/metastasis and the components that control this process are potential therapeutic targets. This study we examined the role of Gli in lung adenocarcinoma and whether its activation regulates metastasis through EMT in lung adenocarcinoma. We found that tumors with high Gli expression had significantly lower E-Cadherin expression in two independent cohorts of patients with lung adenocarcinoma that we studied. In vitro up-regulation of SHh resulted in increased cell migration while small molecule inhibitors of Smo or Gli significantly reduced cell mobility both in a wound healing assay and in a 3D cell invasion assay. Inhibition of Gli in vivo decreased tumor growth and induced an increase in E-Cadherin expression. Our results indicate that Gli may be critical for lung adenocarcinoma metastasis and that a novel Gli inhibitor shows promise as a therapeutic agent by preventing cell migration and invasion in vitro and significantly reducing tumor growth and increasing E-Cadherin expression in vivo.
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Affiliation(s)
- Hui Li
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Dongsheng Yue
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA.,Department of Lung Cancer, Lung Cancer Center, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Joy Q Jin
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Gavitt A Woodard
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Bhairavi Tolani
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Thomas M Luh
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Etienne Giroux-Leprieur
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Minli Mo
- Beijing ACCB Biotech Ltd., Beijing 100084, China
| | - Zhao Chen
- Beijing ACCB Biotech Ltd., Beijing 100084, China
| | - Juanjuan Che
- Department of Oncology, Beijing Friendship Hospital of Capital Medical University, Beijing 100050, China
| | - Zhenfa Zhang
- Department of Lung Cancer, Lung Cancer Center, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Yong Zhou
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Lei Wang
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA.,Department of Thoracic Surgery, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, China
| | - Xishan Hao
- Department of Lung Cancer, Lung Cancer Center, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - David Jablons
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
| | - Changli Wang
- Department of Lung Cancer, Lung Cancer Center, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Biao He
- Thoracic Oncology Program, Department of Surgery, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94115, USA
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Goldstein NB, Koster MI, Jones KL, Gao B, Hoaglin LG, Robinson SE, Wright MJ, Birlea SI, Luman A, Lambert KA, Shellman YG, Fujita M, Robinson WA, Roop DR, Norris DA, Birlea SA. Repigmentation of Human Vitiligo Skin by NBUVB Is Controlled by Transcription of GLI1 and Activation of the β-Catenin Pathway in the Hair Follicle Bulge Stem Cells. J Invest Dermatol 2017; 138:657-668. [PMID: 29054607 DOI: 10.1016/j.jid.2017.09.040] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/17/2017] [Accepted: 09/21/2017] [Indexed: 12/22/2022]
Abstract
Vitiligo repigmentation is a complex process in which the melanocyte-depleted interfollicular epidermis is repopulated by melanocyte precursors from hair follicle bulge that proliferate, migrate, and differentiate into mature melanocytes on their way to the epidermis. The strongest stimulus for vitiligo repigmentation is narrow-band UVB (NBUVB), but how the hair follicle melanocyte precursors are activated by UV light has not been extensively studied. To better understand this process, we developed an application that combined laser capture microdissection and subsequent whole transcriptome RNA sequencing of hair follicle bulge melanocyte precursors and compared their gene signatures to that of regenerated mature epidermal melanocytes from NBUVB-treated vitiligo skin. Using this strategy, we found up-regulation of TNC, GJB6, and THBS1 in the hair follicle bulge melanocytes and of TYR in the epidermal melanocytes of the NBUVB-treated vitiligo skin. We validated these results by quantitative real-time-PCR using NBUVB-treated vitiligo skin and untreated normal skin. We also identified that GLI1, a candidate stem cell-associated gene, is significantly up-regulated in the melanocytes captured from NBUVB-treated vitiligo bulge compared with untreated vitiligo bulge. These signals are potential key players in the activation of bulge melanocyte precursors during vitiligo repigmentation.
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Affiliation(s)
| | - Maranke I Koster
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA; Gates Center for Regenerative Medicine, University of Colorado Aurora, Colorado, USA
| | - Kenneth L Jones
- Department of Hematology, University of Colorado, Aurora, Colorado, USA; Department of Pediatrics, University of Colorado, Aurora, Colorado, USA
| | - Bifeng Gao
- Sequencing and Microarray Core, University of Colorado, Aurora, Colorado, USA
| | - Laura G Hoaglin
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA; Gates Center for Regenerative Medicine, University of Colorado Aurora, Colorado, USA
| | | | - Michael J Wright
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA
| | - Smaranda I Birlea
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA
| | - Abigail Luman
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA
| | - Karoline A Lambert
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA
| | - Yiqun G Shellman
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA
| | - Mayumi Fujita
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA; Gates Center for Regenerative Medicine, University of Colorado Aurora, Colorado, USA; Denver Department of Veterans Affairs Medical Center, Denver, Colorado, USA
| | | | - Dennis R Roop
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA; Gates Center for Regenerative Medicine, University of Colorado Aurora, Colorado, USA
| | - David A Norris
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA; Gates Center for Regenerative Medicine, University of Colorado Aurora, Colorado, USA; Denver Department of Veterans Affairs Medical Center, Denver, Colorado, USA
| | - Stanca A Birlea
- Department of Dermatology, University of Colorado, Aurora, Colorado, USA; Gates Center for Regenerative Medicine, University of Colorado Aurora, Colorado, USA.
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Cervello M, Augello G, Cusimano A, Emma MR, Balasus D, Azzolina A, McCubrey JA, Montalto G. Pivotal roles of glycogen synthase-3 in hepatocellular carcinoma. Adv Biol Regul 2017; 65:59-76. [PMID: 28619606 DOI: 10.1016/j.jbior.2017.06.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 05/24/2017] [Accepted: 06/04/2017] [Indexed: 06/07/2023]
Abstract
Hepatocellular carcinoma (HCC) is one of the most common cancers in the world, and represents the second most frequently cancer and third most common cause of death from cancer worldwide. At advanced stage, HCC is a highly aggressive tumor with a poor prognosis and with very limited response to common therapies. Therefore, there is still the need for new effective and well-tolerated therapeutic strategies. Molecular-targeted therapies hold promise for HCC treatment. One promising molecular target is the multifunctional serine/threonine kinase glycogen synthase kinase 3 (GSK-3). The roles of GSK-3β in HCC remain controversial, several studies suggested a possible role of GSK-3β as a tumor suppressor gene in HCC, whereas, other studies indicate that GSK-3β is a potential therapeutic target for this neoplasia. In this review, we will focus on the different roles that GSK-3 plays in HCC and its interaction with signaling pathways implicated in the pathogenesis of HCC, such as Insulin-like Growth Factor (IGF), Notch, Wnt/β-catenin, Hedgehog (HH), and TGF-β pathways. In addition, the pivotal roles of GSK3 in epithelial-mesenchymal transition (EMT), invasion and metastasis will be also discussed.
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Affiliation(s)
- Melchiorre Cervello
- Institute of Biomedicine and Molecular Immunology "Alberto Monroy", National Research Council (CNR), Palermo, Italy.
| | - Giuseppa Augello
- Institute of Biomedicine and Molecular Immunology "Alberto Monroy", National Research Council (CNR), Palermo, Italy
| | - Antonella Cusimano
- Institute of Biomedicine and Molecular Immunology "Alberto Monroy", National Research Council (CNR), Palermo, Italy
| | - Maria Rita Emma
- Institute of Biomedicine and Molecular Immunology "Alberto Monroy", National Research Council (CNR), Palermo, Italy
| | - Daniele Balasus
- Institute of Biomedicine and Molecular Immunology "Alberto Monroy", National Research Council (CNR), Palermo, Italy
| | - Antonina Azzolina
- Institute of Biomedicine and Molecular Immunology "Alberto Monroy", National Research Council (CNR), Palermo, Italy
| | - James A McCubrey
- Department of Microbiology and Immunology, Brody School of Medicine at East Carolina University, Greenville, NC, USA
| | - Giuseppe Montalto
- Institute of Biomedicine and Molecular Immunology "Alberto Monroy", National Research Council (CNR), Palermo, Italy; Biomedic Department of Internal Medicine and Specialties (DiBiMIS), University of Palermo, Palermo, Italy
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48
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Lee DH, Lee SY, Oh SC. Hedgehog signaling pathway as a potential target in the treatment of advanced gastric cancer. Tumour Biol 2017. [DOI: 10.1177/1010428317692266] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Dae-Hee Lee
- Division of Brain Korea 21 Program for Biomedicine Science, College of Medicine, Korea University, Seoul, Republic of Korea
- Division of Oncology and Hematology, Department of Internal Medicine, College of Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Suk-young Lee
- Division of Oncology and Hematology, Department of Internal Medicine, College of Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Sang Cheul Oh
- Division of Brain Korea 21 Program for Biomedicine Science, College of Medicine, Korea University, Seoul, Republic of Korea
- Division of Oncology and Hematology, Department of Internal Medicine, College of Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
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50
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Pantazi E, Gemenetzidis E, Teh MT, Reddy SV, Warnes G, Evagora C, Trigiante G, Philpott MP. GLI2 Is a Regulator of β-Catenin and Is Associated with Loss of E-Cadherin, Cell Invasiveness, and Long-Term Epidermal Regeneration. J Invest Dermatol 2017; 137:1719-1730. [PMID: 28300597 DOI: 10.1016/j.jid.2016.11.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Revised: 10/31/2016] [Accepted: 11/26/2016] [Indexed: 12/31/2022]
Abstract
Uncontrolled hedgehog (HH)/glioma-associated oncogene (GLI) and WNT/β-catenin signaling are important events in the genesis of many cancers including skin cancer and are often implicated in tumor progression, invasion, and metastasis. However, because of the complexity and context dependency of both pathways, little is known about HH and WNT interactions in human carcinogenesis. In the current study, we provide evidence of HH/glioma-associated oncogene family zinc finger 2 (GLI2)-WNT/β-catenin signaling crosstalk in human keratinocytes. Overexpression of GLI2ΔN in human keratinocytes resulted in cytoplasmic accumulation and nuclear relocalization of β-catenin in vitro and in 3D organotypic cultures, accompanied by upregulation of WNT genes. Induction of GLI2ΔN enhanced the β-catenin-dependent transcriptional activation and the subsequent activation of β-catenin target genes including cyclin-D1. Additionally, GLI2 overexpression was associated with decreased E-cadherin protein levels; increased expression of SNAIL, matrix metalloproteinase 2, and integrin β1; and increased cell invasion in 3D organotypic cultures. Invasion was reduced by WNT inhibition, thus unveiling the direct role of GLI2/WNT crosstalk in cell invasion. We show that GLI2 overexpression supported long-term epidermal regeneration in 3D organotypic cultures, and resulted in the manifestation of an undifferentiated basal/stem cell-associated phenotype in human keratinocytes. Both these observations are consistent with the role of β-catenin and SNAIL in epidermal stem cell maintenance. This work suggests that GLI2 is a regulator of β-catenin and provides insights into its role in tumorigenesis.
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Affiliation(s)
- Eleni Pantazi
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Emilios Gemenetzidis
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Muy-Teck Teh
- Department of Diagnostic and Oral Sciences, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Sreekanth Vootukuri Reddy
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Gary Warnes
- Imaging and Flow Cytometry Core facilities, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Chris Evagora
- Pathology Core facilities, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Giuseppe Trigiante
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Michael P Philpott
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
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