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Lui K, Huang Y, Sheikh MS, Cheung KK, Tam WY, Sun KT, Cheng KM, Ng WWM, Loh AWK. The oncogenic potential of Rab-like protein 1A (RBEL1A) GTPase: The first review of RBEL1A research with future research directions and challenges. J Cancer 2023; 14:3214-3226. [PMID: 37928422 PMCID: PMC10622986 DOI: 10.7150/jca.84267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 09/12/2023] [Indexed: 11/07/2023] Open
Abstract
Research on Rab-like protein 1A (RBEL1A) in the past two decades highlighted the oncogenic properties of this gene. Despite the emerging evidence, its importance in cancer biology was underrated. This is the first RBEL1A critical review covering its discovery, biochemistry, physiological functions, and clinical insights. RBEL1A expression at the appropriate levels appears essential in normal cells and tissues to maintain chromosomal stability; however, its overexpression is linked to tumorigenesis. Furthermore, the upstream and downstream targets of the RBEL1A signaling pathways will be discussed. Mechanistically, RBEL1A promotes cell proliferation signals by enhancing the Erk1/2, Akt, c-Myc, and CDK pathways while blunting the apoptotic signals via inhibitions on p53, Rb, and caspase pathways. More importantly, this review covers the clinical relevance of RBEL1A in the cancer field, such as drug resistance and poor overall survival rate. Also, this review points out the bottle-necks of the RBEL1A research and its future research directions. It is becoming clear that RBEL1A could potentially serve as a valuable target of anticancer therapy. Genetic and pharmacological researches are expected to facilitate the identification and development of RBEL1A inhibitors as cancer therapeutics in the future, which could undoubtedly improve the management of human malignancy.
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Affiliation(s)
- Ki Lui
- School of Nursing and Health Studies, Hong Kong Metropolitan University, Hong Kong
| | - Ying Huang
- Department of Pharmacology, State University of New York, Upstate Medical University, Syracuse, New York, USA
| | - M. Saeed Sheikh
- Department of Pharmacology, State University of New York, Upstate Medical University, Syracuse, New York, USA
| | - Kwok-Kuen Cheung
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
| | - Wing Yip Tam
- Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada
| | - Keng-Ting Sun
- Division of Medical Sciences & Graduate Entry Medicine, School of Medicine, University of Nottingham, United Kingdom
| | - Ka Ming Cheng
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
| | | | - Anthony Wai-Keung Loh
- Division of Science, Engineering and Health Studies (SEHS), College of Professional and Continuing Education, The Hong Kong Polytechnic University, Hong Kong
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Voigt E, Quelle DE. FOXM1, MEK, and CDK4/6: New Targets for Malignant Peripheral Nerve Sheath Tumor Therapy. Int J Mol Sci 2023; 24:13596. [PMID: 37686402 PMCID: PMC10487994 DOI: 10.3390/ijms241713596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/28/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023] Open
Abstract
Malignant peripheral nerve sheath tumors (MPNSTs) are deadly sarcomas, which desperately need effective therapies. Half of all MPNSTs arise in patients with neurofibromatosis type I (NF1), a common inherited disease. NF1 patients can develop benign lesions called plexiform neurofibromas (PNFs), often in adolescence, and over time, some PNFs, but not all, will transform into MPNSTs. A deeper understanding of the molecular and genetic alterations driving PNF-MPNST transformation will guide development of more targeted and effective treatments for these patients. This review focuses on an oncogenic transcription factor, FOXM1, which is a powerful oncogene in other cancers but little studied in MPNSTs. Elevated expression of FOXM1 was seen in patient MPNSTs and correlated with poor survival, but otherwise, its role in the disease is unknown. We discuss what is known about FOXM1 in MPNSTs relative to other cancers and how FOXM1 may be regulated by and/or regulate the most commonly altered players in MPNSTs, particularly in the MEK and CDK4/6 kinase pathways. We conclude by considering FOXM1, MEK, and CDK4/6 as new, clinically relevant targets for MPNST therapy.
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Affiliation(s)
- Ellen Voigt
- Cancer Biology Graduate Program, University of Iowa, Iowa City, IA 52242, USA;
- Medical Scientist Training Program, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, University of Iowa, Iowa City, IA 52242, USA
| | - Dawn E. Quelle
- Cancer Biology Graduate Program, University of Iowa, Iowa City, IA 52242, USA;
- Medical Scientist Training Program, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Holden Comprehensive Cancer Center, University of Iowa, Iowa City, IA 52242, USA
- Department of Neuroscience and Pharmacology, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Department of Pathology, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
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Dermawan JK, Rubin BP. The spectrum and significance of secondary (co-occurring) genetic alterations in sarcomas: the hallmarks of sarcomagenesis. J Pathol 2023; 260:637-648. [PMID: 37345731 DOI: 10.1002/path.6140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 06/23/2023]
Abstract
Bone and soft tissue tumors are generally classified into complex karyotype sarcomas versus those with recurrent genetic alterations, often in the form of gene fusions. In this review, we provide an overview of important co-occurring genomic alterations, organized by biological mechanisms and covering a spectrum of genomic alteration types: mutations (single-nucleotide variations or indels) in oncogenes or tumor suppressor genes, copy number alterations, transcriptomic signatures, genomic complexity indices (e.g. CINSARC), and complex genomic structural variants. We discuss the biological and prognostic roles of these so-called secondary or co-occurring alterations, arguing that recognition and detection of these alterations may be significant for our understanding and management of mesenchymal tumors. On a related note, we also discuss major recurrent alterations in so-called complex karyotype sarcomas. These secondary alterations are essential to sarcomagenesis via a variety of mechanisms, such as inactivation of tumor suppressors, activation of proliferative signal transduction, telomere maintenance, and aberrant regulation of epigenomic/chromatin remodeling players. The use of comprehensive genomic profiling, including targeted next-generation sequencing panels or whole-exome sequencing, may be incorporated into clinical workflows to offer more comprehensive, potentially clinically actionable information. © 2023 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Josephine K Dermawan
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Brian P Rubin
- Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
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Genetic Alterations and Deregulation of Hippo Pathway as a Pathogenetic Mechanism in Bone and Soft Tissue Sarcoma. Cancers (Basel) 2022; 14:cancers14246211. [PMID: 36551696 PMCID: PMC9776600 DOI: 10.3390/cancers14246211] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
The Hippo pathway is an evolutionarily conserved modulator of developmental biology with a key role in tissue and organ size regulation under homeostatic conditions. Like other signaling pathways with a significant role in embryonic development, the deregulation of Hippo signaling contributes to oncogenesis. Central to the Hippo pathway is a conserved cascade of adaptor proteins and inhibitory kinases that converge and regulate the activity of the oncoproteins YAP and TAZ, the final transducers of the pathway. Elevated levels and aberrant activation of YAP and TAZ have been described in many cancers. Though most of the studies describe their pervasive activation in epithelial neoplasms, there is increasing evidence pointing out its relevance in mesenchymal malignancies as well. Interestingly, somatic or germline mutations in genes of the Hippo pathway are scarce compared to other signaling pathways that are frequently disrupted in cancer. However, in the case of sarcomas, several examples of genetic alteration of Hippo members, including gene fusions, have been described during the last few years. Here, we review the current knowledge of Hippo pathway implication in sarcoma, describing mechanistic hints recently reported in specific histological entities and how these alterations represent an opportunity for targeted therapy in this heterogeneous group of neoplasm.
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Bailly C, Vergoten G. Japonicone A and related dimeric sesquiterpene lactones: molecular targets and mechanisms of anticancer activity. Inflamm Res 2022; 71:267-276. [PMID: 35034149 DOI: 10.1007/s00011-021-01538-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVE AND DESIGN Japonicone A (Jap-A) is a sesquiterpene lactone (SL) dimer isolated from the plant Inula japonica Thunb. and the leading compound in the japonicone series of SL dimers which comprises 25 members (Jap-A to Jap-Y). We have analyzed the anticancer properties of Jap-A and the associated molecular targets. METHODS All literature data on japonicones and related SL dimers, including inulanolide A (Inu-A) and lineariifolianoid A (Lin-A) have been analyzed. Molecular models of the compound/target interactions were constructed to support our analysis. RESULTS Inulae Flos (Xuan Fu Hua) is used in traditional medicine in China and Korea to treat inflammatory diseases. The plant contains diverse japonicones and structurally related SL dimers. The interactions of Jap-A with the two main proteins, the pro-inflammatory cytokine TNF-α and the ubiquitin ligase MDM2, are at the origin of the anti-inflammatory and anticancer effects. Molecular docking analyses suggest that Inu-A is better adapted than Lin-A and Jap-A to form stable complexes with both TNF-α and MDM2. Jap-A exhibits marked capacities to inhibit cancer cell proliferation and dissemination and to trigger apoptosis, both in vitro and in vivo in several tumor models in mice. Its analogue Inu-A is more potent, functioning as a dual inhibitor of the MDM2-NFAT1 pathway. CONCLUSION This review shed some new light on the molecular targets and potential therapeutic benefits of these SL dimers and should help the design of novel anticancer agents derived from these compounds.
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Affiliation(s)
| | - Gérard Vergoten
- Inserm, INFINITE-U1286, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), Faculté de Pharmacie, University of Lille, 3 rue du Professeur Laguesse, BP-83, 59006, Lille, France
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Kohlmeyer JL, Kaemmer CA, Lingo JJ, Voigt E, Leidinger MR, McGivney GR, Scherer A, Koppenhafer SL, Gordon DJ, Breheny P, Meyerholz DK, Tanas MR, Dodd RD, Quelle DE. Oncogenic RABL6A promotes NF1-associated MPNST progression in vivo. Neurooncol Adv 2022; 4:vdac047. [PMID: 35571990 PMCID: PMC9092646 DOI: 10.1093/noajnl/vdac047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Background Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive sarcomas with complex molecular and genetic alterations. Powerful tumor suppressors CDKN2A and TP53 are commonly disrupted along with NF1, a gene that encodes a negative regulator of Ras. Many additional factors have been implicated in MPNST pathogenesis. A greater understanding of critical drivers of MPNSTs is needed to guide more informed targeted therapies for patients. RABL6A is a newly identified driver of MPNST cell survival and proliferation whose in vivo role in the disease is unknown. Methods Using CRISPR-Cas9 targeting of Nf1 + Cdkn2a or Nf1 + Tp53 in the mouse sciatic nerve to form de novo MPNSTs, we investigated the biological significance of RABL6A in MPNST development. Terminal tumors were evaluated by western blot, qRT-PCR, and immunohistochemistry. Results Mice lacking Rabl6 displayed slower tumor progression and extended survival relative to wildtype animals in both genetic contexts. YAP oncogenic activity was selectively downregulated in Rabl6-null, Nf1 + Cdkn2a lesions whereas loss of RABL6A caused upregulation of the CDK inhibitor, p27, in all tumors. Paradoxically, both models displayed elevated Myc protein and Ki67 staining in terminal tumors lacking RABL6A. In Nf1 + p53 tumors, cellular atypia and polyploidy were evident and increased by RABL6A loss. Conclusions These findings demonstrate that RABL6A is required for optimal progression of NF1 mutant MPNSTs in vivo in both Cdkn2a and p53 inactivated settings. However, sustained RABL6A loss may provide selective pressure for unwanted alterations, including increased Myc, cellular atypia, and polyploidy, that ultimately promote a hyper-proliferative tumor phenotype akin to drug-resistant lesions.
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Affiliation(s)
- Jordan L Kohlmeyer
- Molecular Medicine Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- The Department of Neuroscience and Pharmacology, The University of Iowa, Iowa City, Iowa, USA
| | - Courtney A Kaemmer
- The Department of Neuroscience and Pharmacology, The University of Iowa, Iowa City, Iowa, USA
| | - Joshua J Lingo
- Cancer Biology Graduate Program, The University of Iowa, Iowa City, Iowa, USA
| | - Ellen Voigt
- Cancer Biology Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Medical Scientist Training Program, The University of Iowa, Iowa City, Iowa, USA
| | - Mariah R Leidinger
- The Department of Pathology, The University of Iowa, Iowa City, Iowa, USA
| | - Gavin R McGivney
- Cancer Biology Graduate Program, The University of Iowa, Iowa City, Iowa, USA
| | - Amanda Scherer
- The Department of Internal Medicine, The University of Iowa, Iowa City, Iowa, USA
| | | | - David J Gordon
- Molecular Medicine Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Cancer Biology Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Medical Scientist Training Program, The University of Iowa, Iowa City, Iowa, USA
- The Department of Pediatrics, The University of Iowa, Iowa City, Iowa, USA
- The Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa, USA
| | - Patrick Breheny
- Department of Biostatistics, The University of Iowa, Iowa City, Iowa, USA
- The Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa, USA
| | - David K Meyerholz
- The Department of Pathology, The University of Iowa, Iowa City, Iowa, USA
| | - Munir R Tanas
- Molecular Medicine Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Cancer Biology Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- The Department of Pathology, The University of Iowa, Iowa City, Iowa, USA
- The Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa, USA
| | - Rebecca D Dodd
- Molecular Medicine Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Cancer Biology Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Medical Scientist Training Program, The University of Iowa, Iowa City, Iowa, USA
- The Department of Internal Medicine, The University of Iowa, Iowa City, Iowa, USA
- The Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa, USA
| | - Dawn E Quelle
- Molecular Medicine Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Cancer Biology Graduate Program, The University of Iowa, Iowa City, Iowa, USA
- Medical Scientist Training Program, The University of Iowa, Iowa City, Iowa, USA
- The Department of Neuroscience and Pharmacology, The University of Iowa, Iowa City, Iowa, USA
- The Department of Pathology, The University of Iowa, Iowa City, Iowa, USA
- The Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa, USA
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Miallot R, Galland F, Millet V, Blay JY, Naquet P. Metabolic landscapes in sarcomas. J Hematol Oncol 2021; 14:114. [PMID: 34294128 PMCID: PMC8296645 DOI: 10.1186/s13045-021-01125-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 07/08/2021] [Indexed: 12/15/2022] Open
Abstract
Metabolic rewiring offers novel therapeutic opportunities in cancer. Until recently, there was scant information regarding soft tissue sarcomas, due to their heterogeneous tissue origin, histological definition and underlying genetic history. Novel large-scale genomic and metabolomics approaches are now helping stratify their physiopathology. In this review, we show how various genetic alterations skew activation pathways and orient metabolic rewiring in sarcomas. We provide an update on the contribution of newly described mechanisms of metabolic regulation. We underscore mechanisms that are relevant to sarcomagenesis or shared with other cancers. We then discuss how diverse metabolic landscapes condition the tumor microenvironment, anti-sarcoma immune responses and prognosis. Finally, we review current attempts to control sarcoma growth using metabolite-targeting drugs.
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Affiliation(s)
- Richard Miallot
- Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille Luminy, Aix Marseille Univ, Marseille, France.
| | - Franck Galland
- Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille Luminy, Aix Marseille Univ, Marseille, France
| | - Virginie Millet
- Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille Luminy, Aix Marseille Univ, Marseille, France
| | - Jean-Yves Blay
- Centre Léon Bérard, Lyon 1, Lyon Recherche Innovation contre le Cancer, Université Claude Bernard, Lyon, France
| | - Philippe Naquet
- Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille Luminy, Aix Marseille Univ, Marseille, France.
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