1
|
Mori M, Ghirga F, Amato B, Secco L, Quaglio D, Romeo I, Gambirasi M, Bergamo A, Covaceuszach S, Sgarra R, Botta B, Manfioletti G. Selection of Natural Compounds with HMGA-Interfering Activities and Cancer Cell Cytotoxicity. ACS OMEGA 2023; 8:32424-32431. [PMID: 37720761 PMCID: PMC10500574 DOI: 10.1021/acsomega.3c02043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/30/2023] [Indexed: 09/19/2023]
Abstract
HMGA proteins are intrinsically disordered (ID) chromatin architectural factors characterized by three DNA binding domains (AT-hooks) that allow them to bind into the DNA minor groove of AT-rich stretches. HMGA are functionally involved in regulating transcription, RNA processing, DNA repair, and chromatin remodeling and dynamics. These proteins are highly expressed and play essential functions during embryonic development. They are almost undetectable in adult tissues but are re-expressed at high levels in all cancers where they are involved in neoplastic transformation and cancer progression. We focused on identifying new small molecules capable of binding into the minor groove of AT-rich DNA sequences that could compete with HMGA for DNA binding and, thus, potentially interfere with their activities. Here, a docking-based virtual screening of a unique high diversity in-house library composed of around 1000 individual natural products identified 16 natural compounds as potential minor groove binders that could inhibit the interaction between HMGA and DNA. To verify the ability of these selected compounds to compete with HMGA proteins, we screened them using electrophoretic mobility shift assays. We identified Sorocein C, a Diels-Alder (D-A)-type adducts, isolated from Sorocea ilicifolia and Sorocea bonplandii with an HMGA/DNA-displacing activity and compared its activity with that of two structurally related compounds, Sorocein A and Sorocein B. All these compounds showed a cytotoxicity effect on cancer cells, suggesting that the Sorocein-structural family may provide new and yet unexplored chemotypes for the development of minor groove binders to be evaluated as anticancer agents.
Collapse
Affiliation(s)
- Mattia Mori
- Department
of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena 53100, Italy
| | - Francesca Ghirga
- Department
of Chemistry and Technology of Drugs, Sapienza-University
of Rome, Rome 00185, Italy
| | - Beatrice Amato
- Department
of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Luca Secco
- Department
of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Deborah Quaglio
- Department
of Chemistry and Technology of Drugs, Sapienza-University
of Rome, Rome 00185, Italy
| | - Isabella Romeo
- Department
of Chemistry and Technology of Drugs, Sapienza-University
of Rome, Rome 00185, Italy
| | - Marta Gambirasi
- Department
of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Alberta Bergamo
- Department
of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Sonia Covaceuszach
- Institute
of Crystallography, National Research Council, Trieste Outstation, Basovizza, Trieste 34149, Italy
| | - Riccardo Sgarra
- Department
of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Bruno Botta
- Department
of Chemistry and Technology of Drugs, Sapienza-University
of Rome, Rome 00185, Italy
| | | |
Collapse
|
2
|
HMGA1 Regulates the Expression of Replication-Dependent Histone Genes and Cell-Cycle in Breast Cancer Cells. Int J Mol Sci 2022; 24:ijms24010594. [PMID: 36614035 PMCID: PMC9820469 DOI: 10.3390/ijms24010594] [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: 07/29/2022] [Revised: 12/16/2022] [Accepted: 12/18/2022] [Indexed: 12/31/2022] Open
Abstract
Breast cancer (BC) is the primary cause of cancer mortality in women and the triple-negative breast cancer (TNBC) is the most aggressive subtype characterized by poor differentiation and high proliferative properties. High mobility group A1 (HMGA1) is an oncogenic factor involved in the onset and progression of the neoplastic transformation in BC. Here, we unraveled that the replication-dependent-histone (RD-HIST) gene expression is enriched in BC tissues and correlates with HMGA1 expression. We explored the role of HMGA1 in modulating the RD-HIST genes expression in TNBC cells and show that MDA-MB-231 cells, depleted of HMGA1, express low levels of core histones. We show that HMGA1 participates in the activation of the HIST1H4H promoter and that it interacts with the nuclear protein of the ataxia-telangiectasia mutated locus (NPAT), the coordinator of the transcription of the RD-HIST genes. Moreover, we demonstrate that HMGA1 silencing increases the percentage of cells in G0/G1 phase both in TNBC and epirubicin resistant TNBC cells. Moreover, HMGA1 silencing causes an increase in epirubicin IC50 both in parental and epirubicin resistant cells thus suggesting that targeting HMGA1 could affect the efficacy of epirubicin treatment.
Collapse
|
3
|
Wang L, Zhang J, Xia M, Liu C, Zu X, Zhong J. High Mobility Group A1 (HMGA1): Structure, Biological Function, and Therapeutic Potential. Int J Biol Sci 2022; 18:4414-4431. [PMID: 35864955 PMCID: PMC9295051 DOI: 10.7150/ijbs.72952] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 06/24/2022] [Indexed: 11/26/2022] Open
Abstract
High mobility group A1 (HMGA1) is a nonhistone chromatin structural protein characterized by no transcriptional activity. It mainly plays a regulatory role by modifying the structure of DNA. A large number of studies have confirmed that HMGA1 regulates genes related to tumours in the reproductive system, digestive system, urinary system and haematopoietic system. HMGA1 is rare in adult cells and increases in highly proliferative cells such as embryos. After being stimulated by external factors, it will produce effects through the Wnt/β-catenin, PI3K/Akt, Hippo and MEK/ERK pathways. In addition, HMGA1 also affects the ageing, apoptosis, autophagy and chemotherapy resistance of cancer cells, which are linked to tumorigenesis. In this review, we summarize the mechanisms of HMGA1 in cancer progression and discuss the potential clinical application of targeted HMGA1 therapy, indicating that targeted HMGA1 is of great significance in the diagnosis and treatment of malignancy.
Collapse
Affiliation(s)
- Lu Wang
- Institute of Clinical Medicine, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Ji Zhang
- Department of Clinical Laboratory, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen 518033, Guangdong, China
| | - Min Xia
- Institute of Clinical Medicine, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China.,Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Chang Liu
- Department of Endocrinology and Metabolism, The First People's Hospital of Chenzhou, First School of Clinical Medicine, University of Southern Medical, Guangzhou 510515, Guangdong, China
| | - Xuyu Zu
- Institute of Clinical Medicine, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China.,Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Jing Zhong
- Institute of Clinical Medicine, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China.,Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| |
Collapse
|
4
|
Liang G, He Z. High Mobility Group Proteins in Sepsis. Front Immunol 2022; 13:911152. [PMID: 35720285 PMCID: PMC9202578 DOI: 10.3389/fimmu.2022.911152] [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] [Received: 04/02/2022] [Accepted: 05/05/2022] [Indexed: 11/26/2022] Open
Abstract
Sepsis, a systemic inflammatory response disease, is the most severe complication of infection and a deadly disease. High mobility group proteins (HMGs) are non-histone nuclear proteins binding nucleosomes and regulate chromosome architecture and gene transcription, which act as a potent pro-inflammatory cytokine involved in the delayed endotoxin lethality and systemic inflammatory response. HMGs increase in serum and tissues during infection, especially in sepsis. A growing number of studies have demonstrated HMGs are not only cytokines which can mediate inflammation, but also potential therapeutic targets in sepsis. To reduce sepsis-related mortality, a better understanding of HMGs is essential. In this review, we described the structure and function of HMGs, summarized the definition, epidemiology and pathophysiology of sepsis, and discussed the HMGs-related mechanisms in sepsis from the perspectives of non-coding RNAs (microRNA, long non-coding RNA, circular RNA), programmed cell death (apoptosis, necroptosis and pyroptosis), drugs and other pathophysiological aspects to provide new targets and ideas for the diagnosis and treatment of sepsis.
Collapse
Affiliation(s)
- Guibin Liang
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhihui He
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, China
| |
Collapse
|
5
|
Proteomic analysis of hypothalamus in prepubertal and pubertal female goat. J Proteomics 2022; 251:104411. [PMID: 34728423 DOI: 10.1016/j.jprot.2021.104411] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/28/2021] [Accepted: 10/19/2021] [Indexed: 12/12/2022]
Abstract
The functions of proteins at the onset of puberty in goats remain largely unexplored. To identify the proteins regulating puberty in goats, we analysed protein abundance and pathways in the hypothalamus of female goats. We applied tandem mass tag (TMT) labelling, liquid chromatography-tandem mass spectrometry (LC-MS/MS), and parallel reaction monitoring (PRM) to examine hypothalamus of pubertal (cases; n = 3) and prepubertal (controls; n = 3) goats. We identified 5119 proteins, including 69 differentially abundant proteins (DAPs), of which 35 were upregulated and 34 were downregulated. Fourteen DAPs were randomly selected to verify these results using PRM, and the results were consistent with the TMT quantitative results. DAPs were enriched in MAPK signalling pathway, Ras signalling pathway, Autophagy-animal, Endocytosis, and PI3K/Akt/mTOR signalling pathway categories. These pathways are related to embryogenesis, cell proliferation, cell differentiation, and promoting the release of gonadotropin-releasing hormone (GnRH) in the hypothalamus. In particular, PDGFRβ and MAP3K7 occupied important locations in the protein-protein interaction network. The results demonstrate that DAPs and their related signalling pathways are crucial in regulating puberty in goats. However, further research is needed to explore the functions of DAPs and their pathways to provide new insights into the mechanism of puberty onset. SIGNIFICANCE: In domestic animals, reaching the age of puberty is an event that contributes significantly to lifetime reproductive potential. And the hypothalamus functions directly in the complex systemic changes that control puberty. Our study was the first TMT proteomics analysis on hypothalamus tissues of pubertal goats, which revealed the changes of protein and pathways that are related to the onset of puberty. We identified 69 DAPs, which were enriched in the MAPK signaling pathway, the Ras signaling pathway, and the IGF-1/PI3K/Akt/mTOR pathway, suggesting that these processes were probably involved in the onset of puberty.
Collapse
|
6
|
Li H, Che J, Jiang M, Cui M, Feng G, Dong J, Zhang S, Lu L, Liu W, Fan S. CLPTM1L induces estrogen receptor β signaling-mediated radioresistance in non-small cell lung cancer cells. Cell Commun Signal 2020; 18:152. [PMID: 32943060 PMCID: PMC7499972 DOI: 10.1186/s12964-020-00571-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 04/01/2020] [Indexed: 12/24/2022] Open
Abstract
INTRODUCTION Radioresistance is a major challenge in lung cancer radiotherapy, and new radiosensitizers are urgently needed. Estrogen receptor β (ERβ) is involved in the progression of non-small cell lung cancer (NSCLC), however, the role of ERβ in the response to radiotherapy in lung cancer remains elusive. In the present study, we investigated the mechanism underlying ERβ-mediated transcriptional activation and radioresistance of NSCLC cells. METHODS Quantitative real-time PCR, western blot and immunohistochemistry were used to detect the expression of CLPTM1L, ERβ and other target genes. The mechanism of CLPTM1L in modulation of radiosensitivity was investigated by chromatin immunoprecipitation assay, luciferase reporter gene assay, immunofluorescence staining, confocal microscopy, coimmunoprecipitation and GST pull-down assays. The functional role of CLPTM1L was detected by function assays in vitro and in vivo. RESULTS CLPTM1L expression was negatively correlated with the radiosensitivity of NSCLC cell lines, and irradiation upregulated CLPTM1L in radioresistant (A549) but not in radiosensitive (H460) NSCLC cells. Meanwhile, IR induced the translocation of CLPTM1L from the cytoplasm into the nucleus in NSCLC cells. Moreover, CLPTM1L induced radioresistance in NSCLC cells. iTRAQ-based analysis and cDNA microarray identified irradiation-related genes commonly targeted by CLPTM1L and ERβ, and CLPTM1L upregulated ERβ-induced genes CDC25A, c-Jun, and BCL2. Mechanistically, CLPTM1L coactivated ERβ by directly interacting with ERβ through the LXXLL NR (nuclear receptor)-binding motif. Functionally, ERβ silencing was sufficient to block CLPTM1L-enhanced radioresistance of NSCLC cells in vitro. CLPTM1L shRNA treatment in combination with irradiation significantly inhibited cancer cell growth in NSCLC xenograft tumors in vivo. CONCLUSIONS The present results indicate that CLPTM1L acts as a critical coactivator of ERβ to promote the transcription of its target genes and induce radioresistance of NSCLC cells, suggesting a new target for radiosensitization in NSCLC therapy. Video Abstract.
Collapse
Affiliation(s)
- Hang Li
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Jun Che
- grid.459328.10000 0004 1758 9149Department of Radiation Oncology, Affiliated Hospital of Jiangnan University, 200 Hui-He Road, Wuxi, 214062 Jiangsu P.R. China
| | - Mian Jiang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Ming Cui
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Guoxing Feng
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Jiali Dong
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Shuqin Zhang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Lu Lu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Weili Liu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| | - Saijun Fan
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, 238 Bai-Di Road, Tianjin, 300192 P.R. China
| |
Collapse
|
7
|
Ouchi K, Miyachi M, Yagyu S, Kikuchi K, Kuwahara Y, Tsuchiya K, Iehara T, Hosoi H. Oncogenic role of HMGA2 in fusion-negative rhabdomyosarcoma cells. Cancer Cell Int 2020; 20:192. [PMID: 32489328 PMCID: PMC7247181 DOI: 10.1186/s12935-020-01282-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 05/19/2020] [Indexed: 11/21/2022] Open
Abstract
Background Rhabdomyosarcoma (RMS) is the most common pediatric soft tissue sarcoma. There are two subtypes, fusion gene-positive RMS (FP-RMS) and fusion gene-negative RMS (FN-RMS), depending on the presence of a fusion gene, either PAX3-FOXO1 or PAX7-FOXO1. These fusion genes are thought to be oncogenic drivers of FP-RMS. By contrast, the underlying mechanism of FN-RMS has not been thoroughly investigated. It has recently been shown that HMGA2 is specifically positive in pathological tissue from FN-RMS, but the role of HMGA2 in FN-RMS remains to be clarified. Methods In this study, we used FN-RMS cell lines to investigate the function of HMGA2. Gene expression, cell growth, cell cycle, myogenic differentiation, tumor formation in vivo, and cell viability under drug treatment were assessed. Results We found that HMGA2 was highly expressed in FN-RMS cells compared with FP-RMS cells and that knockdown of HMGA2 in FN-RMS cells inhibited cell growth and induced G1 phase accumulation in the cell cycle and myogenic differentiation. Additionally, we showed using both gain-of-function and loss-of-function assays that HMGA2 was required for tumor formation in vivo. Consistent with these findings, the HMGA2 inhibitor netropsin inhibited the cell growth of FN-RMS. Conclusions Our results suggest that HMGA2 has important role in the oncogenicity of FP-RMS and may be a potential therapeutic target in patients with FN-RMS.
Collapse
Affiliation(s)
- Kazutaka Ouchi
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| | - Mitsuru Miyachi
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| | - Shigeki Yagyu
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| | - Ken Kikuchi
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| | - Yasumichi Kuwahara
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan.,Department of Molecular Biochemistry, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| | - Kunihiko Tsuchiya
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| | - Tomoko Iehara
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| | - Hajime Hosoi
- Department of Pediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji, Kamigyo-ku, Kyoto, 602-8566 Japan
| |
Collapse
|
8
|
High Mobility Group A (HMGA): Chromatin Nodes Controlled by a Knotty miRNA Network. Int J Mol Sci 2020; 21:ijms21030717. [PMID: 31979076 PMCID: PMC7038092 DOI: 10.3390/ijms21030717] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 12/11/2022] Open
Abstract
High mobility group A (HMGA) proteins are oncofoetal chromatin architectural factors that are widely involved in regulating gene expression. These proteins are unique, because they are highly expressed in embryonic and cancer cells, where they play a relevant role in cell proliferation, stemness, and the acquisition of aggressive tumour traits, i.e., motility, invasiveness, and metastatic properties. The HMGA protein expression levels and activities are controlled by a connected set of events at the transcriptional, post-transcriptional, and post-translational levels. In fact, microRNA (miRNA)-mediated RNA stability is the most-studied mechanism of HMGA protein expression modulation. In this review, we contribute to a comprehensive overview of HMGA-targeting miRNAs; we provide detailed information regarding HMGA gene structural organization and a comprehensive evaluation and description of HMGA-targeting miRNAs, while focusing on those that are widely involved in HMGA regulation; and, we aim to offer insights into HMGA-miRNA mutual cross-talk from a functional and cancer-related perspective, highlighting possible clinical implications.
Collapse
|
9
|
Wang Y, Hu L, Zheng Y, Guo L. HMGA1 in cancer: Cancer classification by location. J Cell Mol Med 2019; 23:2293-2302. [PMID: 30614613 PMCID: PMC6433663 DOI: 10.1111/jcmm.14082] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 07/19/2018] [Accepted: 11/16/2018] [Indexed: 12/23/2022] Open
Abstract
The high mobility group A1 (HMGA1) gene plays an important role in numerous malignant cancers. HMGA1 is an oncofoetal gene, and we have a certain understanding of the biological function of HMGA1 based on its activities in various neoplasms. As an architectural transcription factor, HMGA1 remodels the chromatin structure and promotes the interaction between transcriptional regulatory proteins and DNA in different cancers. Through analysis of the molecular mechanism of HMGA1 and clinical studies, emerging evidence indicates that HMGA1 promotes the occurrence and metastasis of cancer. Within a similar location or the same genetic background, the function and role of HMGA1 may have certain similarities. In this paper, to characterize HMGA1 comprehensively, research on various types of tumours is discussed to further understanding of the function and mechanism of HMGA1. The findings provide a more reliable basis for classifying HMGA1 function according to the tumour location. In this review, we summarize recent studies related to HMGA1, including its structure and oncogenic properties, its major functions in each cancer, its upstream and downstream regulation associated with the tumourigenesis and metastasis of cancer, and its potential as a biomarker for clinical diagnosis of cancer.
Collapse
Affiliation(s)
- Yuhong Wang
- The First Affiliated Hospital of Soochow University Department of Pathology, Suzhou, Jiangsu, China
| | - Lin Hu
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou, Jiangsu, China
| | - Yushuang Zheng
- The First Affiliated Hospital of Soochow University Department of Pathology, Suzhou, Jiangsu, China
| | - Lingchuan Guo
- The First Affiliated Hospital of Soochow University Department of Pathology, Suzhou, Jiangsu, China
| |
Collapse
|
10
|
Li HR, Li Y, Liu Y, Yu JJ, Li FX. Expression and regulation of high mobility group AT-hook 1 (HMGA1) during ovulation and luteinisation in rat ovary. Reprod Fertil Dev 2019; 31:698-704. [DOI: 10.1071/rd18158] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Accepted: 10/22/2018] [Indexed: 12/18/2022] Open
Abstract
High mobility group AT-hook 1 (HMGA1) is able to regulate gene expression and function as a tumour suppressor. The spatiotemporal expression pattern of HMGA1 was investigated in this study. Immature female rats (22–23 days old) were treated with 10IU, s.c., pregnant mare’s serum gonadotrophin to stimulate follicular development, followed 48h later by injection with 5IU, s.c., human chorionic gonadotrophin (hCG). Whole ovaries or granulosa cells were collected at various times after hCG administration (n=3 per time point). Real-time polymerase chain reaction and western blot analysis revealed that HMGA1 was highly stimulated in the ovary by 4–12h after hCG treatment. In situ hybridisation analysis demonstrated that Hmga1 mRNA expression was induced in granulosa cells between 8 and 12h after hCG treatment. There was negligible Hmga1 mRNA signal observed in newly forming corpora lutea. In addition, the data indicated that both the protein kinase (PK) A and PKC pathways regulated Hmga1 expression in rat granulosa cells. In rat granulosa cell cultures, upregulation of Hmga1 was dependent on new protein synthesis because Hmga1 was inhibited by cycloheximide. Furthermore, Hmga1 mRNA expression in rat granulosa cell cultures was inhibited by AG1478, whereas NS398 and RU486 had no effect, suggesting that Hmga1 expression was regulated, in part, by the epidermal growth factor pathway. In summary, the findings of this study suggest that induction of Hmga1 may be important for theca and granulosa cell differentiation into luteal cells.
Collapse
|
11
|
Rivero-Hinojosa S, Lau LS, Stampar M, Staal J, Zhang H, Gordish-Dressman H, Northcott PA, Pfister SM, Taylor MD, Brown KJ, Rood BR. Proteomic analysis of Medulloblastoma reveals functional biology with translational potential. Acta Neuropathol Commun 2018; 6:48. [PMID: 29880060 PMCID: PMC5992829 DOI: 10.1186/s40478-018-0548-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Accepted: 05/17/2018] [Indexed: 12/14/2022] Open
Abstract
Genomic characterization has begun to redefine diagnostic classifications of cancers. However, it remains a challenge to infer disease phenotypes from genomic alterations alone. To help realize the promise of genomics, we have performed a quantitative proteomics investigation using Stable Isotope Labeling by Amino Acids in Cell Culture (SILAC) and 41 tissue samples spanning the 4 genomically based subgroups of medulloblastoma and control cerebellum. We have identified and quantitated thousands of proteins across these groups and find that we are able to recapitulate the genomic subgroups based upon subgroup restricted and differentially abundant proteins while also identifying subgroup specific protein isoforms. Integrating our proteomic measurements with genomic data, we calculate a poor correlation between mRNA and protein abundance. Using EPIC 850 k methylation array data on the same tissues, we also investigate the influence of copy number alterations and DNA methylation on the proteome in an attempt to characterize the impact of these genetic features on the proteome. Reciprocally, we are able to use the proteome to identify which genomic alterations result in altered protein abundance and thus are most likely to impact biology. Finally, we are able to assemble protein-based pathways yielding potential avenues for clinical intervention. From these, we validate the EIF4F cap-dependent translation pathway as a novel druggable pathway in medulloblastoma. Thus, quantitative proteomics complements genomic platforms to yield a more complete understanding of functional tumor biology and identify novel therapeutic targets for medulloblastoma.
Collapse
|
12
|
Liu J, Mi B, Wang Y, Shi C, Mi X, Lu Y, Yu P. miR-26a suppresses osteosarcoma migration and invasion by directly targeting HMGA1. Oncol Lett 2018; 15:8303-8310. [PMID: 29928320 PMCID: PMC6004719 DOI: 10.3892/ol.2018.8359] [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: 09/15/2017] [Accepted: 02/28/2018] [Indexed: 12/17/2022] Open
Abstract
Osteosarcoma (OS) is identified as the most commonly diagnosed malignant cancer of bone, and has approximately three million new cases annually. miR-26a plays an important role in the development of various types of cancer. We investigated whether miR-26a can regulate the migration and invasion of OS by targeting high-mobility group A1 HMGA1. Western blot analysis was used to identify the changes of protein levels. Reverse transcription-quantitative PCR was used to test expression levels of genes and miR-26a. Luciferase reporter assay was used to test the specific target gene of miR-26a. Transwell assay was employed to determine the migration and invasion of OS cell lines. In the present study, miRNA-26a was frequently downregulated in OS tissues and cells. Overexpression of miR-26a inhibited cell migration and invasion in vitro. In addition, miR-26a downregulated HMGA1 by targeting its 3′-UTR and knockdown of HMGA1 significantly suppressed the migration and invasion of two osteosarcoma cell lines in vitro. miR-26a suppressed the migration and invasion of OS cells by targeting HMGA1, suggesting that miR-26a/HMGA1 axis provides a new prospective therapeutic strategy for OS.
Collapse
Affiliation(s)
- Jianyong Liu
- Department of Orthopedics, People's Hospital of Weifang, Weifang, Shandong 261000, P.R. China
| | - Bo Mi
- Department of Medicine, The First People's Hospital of Jinan, Jinan, Shandong 250000, P.R. China
| | - Yi Wang
- Department of Respiratory Medicine, The People's Hospital of Zhangqiu Area, Jinan, Shandong 250200, P.R. China
| | - Chunling Shi
- Department of Neurology, People's Hospital of Rizhao, Rizhao, Shandong 276800, P.R. China
| | - Xiufang Mi
- Department of Medicine, The People's Hospital of Zhangqiu Area, Jinan, Shandong 250200, P.R. China
| | - Yingying Lu
- Department of Clinical Laboratory, People's Hospital of Rizhao, Rizhao, Shandong 276800, P.R. China
| | - Peilin Yu
- Department of Orthopedics, Qingdao Hiser Medical Center, Qingdao, Shandong 266033, P.R. China
| |
Collapse
|
13
|
Yang YF, Zhang MF, Tian QH, Zhang CZ. TRIM65 triggers β-catenin signaling via ubiquitylation of Axin1 to promote hepatocellular carcinoma. J Cell Sci 2017; 130:3108-3115. [PMID: 28754688 DOI: 10.1242/jcs.206623] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 07/25/2017] [Indexed: 12/31/2022] Open
Abstract
Deregulation of ubiquitin ligases contributes to the malignant progression of human cancers. Tripartite motif-containing protein 65 (TRIM65) is an E3 ubiquitin ligase and has been implicated in human diseases, but its role and clinical significance in hepatocellular carcinoma (HCC) remain unknown. Here, we showed that TRIM65 expression was increased in HCC tissues and associated with poor outcome in two independent cohorts containing 888 patients. In vitro and in vivo data demonstrated that overexpression of TRIM65 promoted cell growth and tumor metastasis, whereas knockdown of TRIM65 resulted in opposite phenotypes. Further studies revealed that TRIM65 exerted oncogenic activities via ubiquitylation of Axin1 to activate the β-catenin signaling pathway. TRIM65 directly bound to Axin1 and accelerated its degradation through ubiquitylation. Furthermore, HMGA1 was identified as an upstream regulator of TRIM65 in HCC cells. In clinical samples, TRIM65 expression was positively correlated with the expression of HMGA1 and nuclear β-catenin. Collectively, our data indicate that TRIM65 functions as an oncogene in HCC. The newly identified HMGA1/TRIM65/β-catenin axis serves as a promising prognostic factor and therapeutic target.
Collapse
Affiliation(s)
- Yu-Feng Yang
- Department of Pathology, Dongguan Third People's Hospital, Dongguan, China
| | - Mei-Fang Zhang
- Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - Qiu-Hong Tian
- Department of Oncology, First Affiliated Hospital of NanChang University, NanChang, Jiangxi 330006, China
| | - Chris Zhiyi Zhang
- Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| |
Collapse
|
14
|
Comment on 'MicroRNA-214 suppresses growth, migration and invasion through a novel target, high mobility group AT-hook 1, in human cervical and colorectal cancer cells'. Br J Cancer 2016; 116:e7. [PMID: 27997527 PMCID: PMC5294474 DOI: 10.1038/bjc.2016.409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
|
15
|
Li KKW, Qi Y, Xia T, Yao Y, Zhou L, Lau KM, Ng HK. CRMP1 Inhibits Proliferation of Medulloblastoma and Is Regulated by HMGA1. PLoS One 2015; 10:e0127910. [PMID: 26009886 PMCID: PMC4444180 DOI: 10.1371/journal.pone.0127910] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 04/21/2015] [Indexed: 11/18/2022] Open
Abstract
Many facets of the tumor biology of medulloblastoma (MB) have not been fully elucidated. Collapsin response mediator protein 1 (CRMP1) is a member of cytoplasmic family of proteins that regulate the development of central nervous system. Recent studies demonstrated that CRMP1 could function as an invasion suppressor. We reported previously that high mobility group AT-hook 1 (HMGA1) contributed to development of MB and regulated its growth and migration/invasion. Transcriptional profiling and quantitative RT-PCR revealed increased expression of CRMP1 in HMGA1-depleted cells, suggesting that CRMP1 may be a downstream target of HMGA1 in MB. In this study, we showed HMGA1 can bind CRMP1 promoter by chromatin immunoprecipitation (ChIP) assay. Luciferase assay demonstrated a marked enhancement of CRMP1 transcription activity in HMGA1-depleted cells. Furthermore, quantitative RT-PCR revealed a negative correlation between HMGA1 and CRMP1 in 32 MB samples. To investigate the biological roles of CRMP1 in MB pathogenesis, we established MB clones stably expressing CRMP1. Functional analysis revealed that expression of CRMP1 significantly inhibited proliferation, migration, invasion and formation of filopodia and intense stress fiber of MB cells. Our data suggest that HMGA1 regulates CRMP1 expression and CRMP1 is implicated in MB pathogenesis.
Collapse
Affiliation(s)
- Kay Ka-Wai Li
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong, Prince of Wales Hospital, 30–32 Ngan Shing Street, Shatin, Hong Kong, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, No.10, 2nd Yuexing Road, Nanshan District, Shenzhen, China
| | - Yan Qi
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong, Prince of Wales Hospital, 30–32 Ngan Shing Street, Shatin, Hong Kong, China
| | - Tian Xia
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong, Prince of Wales Hospital, 30–32 Ngan Shing Street, Shatin, Hong Kong, China
| | - Yu Yao
- Department of Neurosurgery, Huashan Hospital, Fudan University, Wulumuqi Zhong Road 12, Shanghai, China
| | - Liangfu Zhou
- Department of Neurosurgery, Huashan Hospital, Fudan University, Wulumuqi Zhong Road 12, Shanghai, China
| | - Kin-Mang Lau
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong, Prince of Wales Hospital, 30–32 Ngan Shing Street, Shatin, Hong Kong, China
- * E-mail: (H-KN); (K-ML)
| | - Ho-Keung Ng
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong, Prince of Wales Hospital, 30–32 Ngan Shing Street, Shatin, Hong Kong, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, No.10, 2nd Yuexing Road, Nanshan District, Shenzhen, China
- * E-mail: (H-KN); (K-ML)
| |
Collapse
|
16
|
Kaur H, Hütt-Cabezas M, Weingart MF, Xu J, Kuwahara Y, Erdreich-Epstein A, Weissman BE, Eberhart CG, Raabe EH. The chromatin-modifying protein HMGA2 promotes atypical teratoid/rhabdoid cell tumorigenicity. J Neuropathol Exp Neurol 2015; 74:177-85. [PMID: 25575139 PMCID: PMC4695975 DOI: 10.1097/nen.0000000000000161] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Atypical teratoid/rhabdoid tumor (AT/RT) is an aggressive pediatric central nervous system tumor. The poor prognosis of AT/RT warrants identification of novel therapeutic targets and strategies. High-mobility Group AT-hook 2 (HMGA2) is a developmentally important chromatin-modifying protein that positively regulates tumor growth, self-renewal, and invasion in other cancer types. High-mobility group A2 was recently identified as being upregulated in AT/RT tissue, but the role of HMGA2 in brain tumors remains unknown. We used lentiviral short-hairpin RNA to suppress HMGA2 in AT/RT cell lines and found that loss of HMGA2 led to decreased cell growth, proliferation, and colony formation and increased apoptosis. We also found that suppression of HMGA2 negatively affected in vivo orthotopic xenograft tumor growth, more than doubling median survival of mice from 58 days to 153 days. Our results indicate a role for HMGA2 in AT/RT in vitro and in vivo and demonstrate that HMGA2 is a potential therapeutic target in these lethal pediatric tumors.
Collapse
Affiliation(s)
- Harpreet Kaur
- From the Division of Neuropathology and Sidney Kimmel Comprehensive Cancer Center (HK, MH-C, MFW, CGE, EHR), Division of Pediatric Oncology (EHR), Johns Hopkins University School of Medicine, Bloomberg Children's Hospital, Baltimore, Maryland; Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, North Carolina (YK, BEW); and Division of Hematology, Oncology, and Blood and Bone Marrow Transplant, Children's Hospital Los Angeles (JX, AE-E); and the University of Southern California (AE-E), Los Angeles, California
| | | | | | | | | | | | | | | | | |
Collapse
|
17
|
Zhang Z, Zhang G, Kong C. High expression of Cdc25B and low expression of 14-3-3σ is associated with the development and poor prognosis in urothelial carcinoma of bladder. Tumour Biol 2014; 35:2503-12. [PMID: 24234332 DOI: 10.1007/s13277-013-1331-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Accepted: 10/14/2013] [Indexed: 11/25/2022] Open
Abstract
Cdc25 dual-specicity phosphatases are essential regulators at critical stages of cell cycle. Cdc25B is overexpressed in several human tumor types. The activity of Cdc25B is regulated by 14-3-3 dimer. To investigate the roles of Cdc25B and 14-3-3σ in bladder carcinoma, we examined expressions of Cdc25B and 14-3-3σ proteins in bladder carcinoma and cell lines and analyzed their roles in the development and prognosis of urinary bladder carcinoma. Immunohistochmistry was used to detect the expressions of Cdc25B and 14-3-3σ in 105 bladder carcinomas. Moreover, expressions of Cdc25B and 14-3-3σ were analyzed by real-time PCR and Western blot in 40 bladder carcinomas and 20 normal epithelial tissues. Specific siRNA was used to knockdown the expression of Cdc25B or 14-3-3σ. Wild-type plasmid was used to overexpress 14-3-3σ. MTT assay and Flow cytometry were used to examine proliferation and cell cycle of bladder cancer cells. There were higher Cdc25B expression and lower 14-3-3σ expression in carcinomas than in the adjacent normal tissues (P < 0.05), positive and negative correlations being noted with clinical stage and histopathologic grade. Cdc25B expression was positively correlated with recurrence and poor prognosis. Downregulation of Cdc25B resulted in slower growth, more G2/M cells and 14-3-3σ increasing. However, upregulation and downregulation of 14-3-3σ did not affect cell growth and Cdc25B expression. It showed that Cdc25B upregulation and 14-3-3σ downregulation might promote development of bladder cancer and suggested a poor prognosis. Moreover, Cdc25B could play an important role on the bladder cancer cell proliferation and cell cycle progression and regulate expression of 14-3-3σ.
Collapse
|
18
|
Leung YK, Chan QKY, Ng CF, Ma FMT, Tse HM, To KF, Maranchie J, Ho SM, Lau KM. Hsa-miRNA-765 as a key mediator for inhibiting growth, migration and invasion in fulvestrant-treated prostate cancer. PLoS One 2014; 9:e98037. [PMID: 24837491 PMCID: PMC4024001 DOI: 10.1371/journal.pone.0098037] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Accepted: 04/28/2014] [Indexed: 11/20/2022] Open
Abstract
Fulvestrant (ICI-182,780) has recently been shown to effectively suppress prostate cancer cell growth in vitro and in vivo. But it is unclear whether microRNAs play a role in regulating oncogene expression in fulvestrant-treated prostate cancer. Here, this study reports hsa-miR-765 as the first fulvestrant-driven, ERβ-regulated miRNA exhibiting significant tumor suppressor activities like fulvestrant, against prostate cancer cell growth via blockage of cell-cycle progression at the G2/M transition, and cell migration and invasion possibly via reduction of filopodia/intense stress-fiber formation. Fulvestrant was shown to upregulate hsa-miR-765 expression through recruitment of ERβ to the 5′-regulatory-region of hsa-miR-765. HMGA1, an oncogenic protein in prostate cancer, was identified as a downstream target of hsa-miR-765 and fulvestrant in cell-based experiments and a clinical study. Both the antiestrogen and the hsa-miR-765 mimic suppressed HMGA1 protein expression. In a neo-adjuvant study, levels of hsa-miR-765 were increased and HMGA1 expression was almost completely lost in prostate cancer specimens from patients treated with a single dose (250 mg) of fulvestrant 28 days before prostatectomy. These findings reveal a novel fulvestrant signaling cascade involving ERβ-mediated transcriptional upregulation of hsa-miR-765 that suppresses HMGA1 protein expression as part of the mechanism underlying the tumor suppressor action of fulvestrant in prostate cancer.
Collapse
Affiliation(s)
- Yuet-Kin Leung
- Department of Environmental Health, Center for Environmental Genetics, and Cancer Institute, University of Cincinnati Medical Center, Cincinnati, Ohio, United States of America
| | - Queeny Kwan-Yi Chan
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Chi-Fai Ng
- Department of Surgery, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Fanny Man-Ting Ma
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Ho-Man Tse
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Ka-Fai To
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
- State Key Laboratory in Southern China in Oncology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Jodi Maranchie
- Department of Urology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Shuk-Mei Ho
- Department of Environmental Health, Center for Environmental Genetics, and Cancer Institute, University of Cincinnati Medical Center, Cincinnati, Ohio, United States of America
- Cincinnati Veteran Affairs Medical Center, Cincinnati, Ohio, United States of America
- * E-mail: (SMH); (KML)
| | - Kin-Mang Lau
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
- State Key Laboratory in Southern China in Oncology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
- * E-mail: (SMH); (KML)
| |
Collapse
|