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Gharbaran R. Insights into the molecular roles of FOXR2 in the pathology of primary pediatric brain tumors. Crit Rev Oncol Hematol 2023; 192:104188. [PMID: 37879492 DOI: 10.1016/j.critrevonc.2023.104188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 08/23/2023] [Accepted: 10/16/2023] [Indexed: 10/27/2023] Open
Abstract
Forkhead box gene R2 (FOXR2) belongs to the family of FOX genes which codes for highly conserved transcription factors (TFs) with critical roles in biological processes ranging from development to organogenesis to metabolic and immune regulation to cellular homeostasis. A number of FOX genes are associated with cancer development and progression and poor prognosis. A growing body of evidence suggests that FOXR2 is an oncogene. Studies suggested important roles for FOXR2 in cancer cell growth, metastasis, and drug resistance. Recent studies showed that FOXR2 is overexpressed by a subset of newly identified entities of embryonal tumors. This review discusses the role(s) FOXR2 plays in the pathology of pediatric brain cancers and its potential as a therapeutic target.
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Affiliation(s)
- Rajendra Gharbaran
- Biological Sciences Department, Bronx Community College/City University of New York, 2155 University Avenue, Bronx, NY 10453, USA.
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2
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Zhang P, Zhou Q, Zeng Z. Combination of serum FOXR2 and transvaginal three-dimensional power Doppler ultrasonography in the diagnosis of uterine lesions. ADV CLIN EXP MED 2023; 33:0-0. [PMID: 37831472 DOI: 10.17219/acem/171382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 06/23/2023] [Accepted: 08/18/2023] [Indexed: 10/14/2023]
Abstract
BACKGROUND Cervical carcinoma and endometrial carcinoma are the most common gynecologic cancers worldwide. Forkhead-box R2 (FOXR2) plays an important role in the progression of various malignant tumors. However, the effects of FOXR2 on the development of uterine lesions remain unclear. OBJECTIVES This prospective observational study aimed to investigate the diagnostic performance of FOXR2 and transvaginal three-dimensional power Doppler ultrasonography (3D-PDU) for malignant uterine lesions. MATERIAL AND METHODS This study included 404 uterine lesion patients and 200 healthy individuals who visited the hospital for a physical examination from April 2014 to May 2016. All patients received FOXR2 detection and 3D-PDU examination at admission. The demographic data and clinical data, including age, body mass index (BMI), and the International Federation of Gynecology and Obstetrics (FIGO) stage, were collected. All the patients were followed up for 5 years. The overall survival (OS) was analyzed using Kaplan-Meier (K-M) curve analysis. The diagnostic value of FOXR2 and 3D-PDU was evaluated using receiver operating characteristic (ROC) curves. RESULTS Serum levels of FOXR2 mRNA were upregulated in patients with malignant uterine lesions. Patients with high expression of FOXR2 showed a higher expression of the cancer biomarkers CA125, CA199, CEA, and SCCA. It was also found that FOXR2 expression was associated with the clinical outcomes of patients with malignant uterine lesions. Moreover, higher expression of FOXR2 predicted a poor prognosis. The combined use of FOXR2 and 3D-PDU showed favorable potential for the diagnosis of malignant uterine lesions, especially for cervical carcinoma and endometrial carcinoma. CONCLUSIONS The combination of serum FOXR2 and transvaginal 3D-PDU has a potential in the diagnosis of uterine lesions.
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Affiliation(s)
- Ping Zhang
- Department of Ultrasound, Hunan Provincial People's Hospital (The First Hospital Affiliated with Hunan Normal University), Changsha, China
| | - Qiong Zhou
- Department of Ultrasound, Hunan Provincial People's Hospital (The First Hospital Affiliated with Hunan Normal University), Changsha, China
| | - Zhiyong Zeng
- Department of Ultrasound, Hunan Provincial People's Hospital (The First Hospital Affiliated with Hunan Normal University), Changsha, China
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Shimazaki K, Kurokawa R, Franson A, Kurokawa M, Baba A, Bou-Maroun L, Kim J, Moritani T. Neuroimaging features of FOXR2-activated CNS neuroblastoma: A case series and systematic review. J Neuroimaging 2023; 33:359-367. [PMID: 36806312 DOI: 10.1111/jon.13095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/06/2023] [Accepted: 02/09/2023] [Indexed: 02/23/2023] Open
Abstract
BACKGROUND AND PURPOSE CNS neuroblastoma, FOXR2-activated (CNS NB-FOXR2) is a newly recognized tumor type in the 2021 World Health Organization classification of central nervous system (CNS) tumors. We aimed to investigate the clinical and neuroimaging findings of CNS NB-FOXR2 and systematically review previous publications and three new cases. METHODS We searched PubMed, SCOPUS, and Embase databases for patients with pathologically proven CNS NB-FOXR2 with sufficient information for preoperative CT and MRI findings. Two board-certified radiologists reviewed the studies and imaging data. RESULTS Thirty-one patients from six previous publications and 3 patients from our hospital comprised the study population (median age, 4.2 [range: 1.4-16] years; 19 girls). Clinically, CNS NB-FOXR2 mainly affected children between 2 and 6 years (24/34, 67.6%). Nausea/vomiting and seizures were reported as the main presenting symptoms (100% in total). The tumors frequently showed hyperdensity compared to the cortex on nonenhanced CT (4/5, 80%) with calcification along the inner rim of the tumor (4/5, 80%). More than half of patients showed susceptibility artifacts indicating intratumoral hemorrhage and/or calcification (15/28, 53.6%) on T2*- and/or susceptibility-weighted imaging. Elevated relative cerebral blood volume and flow and percentile signal recovery were observed in one case with dynamic susceptibility contrast MRI. CONCLUSIONS Characteristic imaging features including hyperdense attenuation of the solid components and calcification along the inner rim on CT and susceptibility-weighted imaging may assist with preoperative diagnosis of CNS NB-FOXR2 in pediatric patients.
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Affiliation(s)
- Kenichiro Shimazaki
- Division of Neuroradiology, Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Ryo Kurokawa
- Division of Neuroradiology, Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Andrea Franson
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, Ann Arbor, Michigan, USA
| | - Mariko Kurokawa
- Division of Neuroradiology, Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Akira Baba
- Division of Neuroradiology, Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Laura Bou-Maroun
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, Ann Arbor, Michigan, USA
| | - John Kim
- Division of Neuroradiology, Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Toshio Moritani
- Division of Neuroradiology, Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
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Srivastava P, Zilla ML, Naous R, Marker D, Khoshnoodi P, Burgess M, Herradura A, Wu J, Surrey LF, John I. Expanding the molecular signatures of malignant ossifying fibromyxoid tumours with two novel gene fusions: PHF1::FOXR1 and PHF1:: FOXR2. Histopathology 2023; 82:946-952. [PMID: 36648026 DOI: 10.1111/his.14868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/11/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023]
Abstract
AIMS Ossifying fibromyxoid tumor (OFMT) is a rare enigmatic tumor of uncertain differentiation that can be classified as typical, atypical, and malignant subtypes based on cellularity, nuclear grade, and mitotic activity. The majority of OFMTs, regardless of the risk of malignancy, harbor genetic translocations. We report two malignant OFMTs, including one with evidence of dedifferentiation, with novel genefusions. METHODS AND RESULTS Case 1 was a 63-year-old male with a dedifferentiated OFMT arising in the right wrist, while case 2 was a 41-year-old male with a malignant OFMT presenting as a posterior mediastinal mass. Case 2 showed multifocal expression with EMA and synaptophysin, while desmin and S100 were absent in both tumors. NGS sequencing studies detected PHF1::FOXR1 and PHF1::FOXR2 gene fusions in cases 1 and 2, respectively. Despite aggressive regimens, both progressed with wide spread metastases resulting in death within six years of diagnosis. CONCLUSIONS We expand the genetic spectrum of OFMTs with two novel gene fusions, PHF1::FOXR1 and PHF1::FOXR2. These cases confirm the previously reported tendencies for OFMTs with rare variant fusions to demonstrate malignant behavior, unusual morphology, and non-specific immunophenotype.
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Affiliation(s)
- Pooja Srivastava
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Megan L Zilla
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Rana Naous
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Daniel Marker
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Pooria Khoshnoodi
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Melissa Burgess
- Department of Medical Oncology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Armando Herradura
- Department of Radiology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Jinhua Wu
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Lea F Surrey
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Ivy John
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Gianno F, Miele E, Antonelli M, Giangaspero F. Embryonal tumors in the WHO CNS5 classification: A Review. INDIAN J PATHOL MICR 2022; 65:S73-S82. [PMID: 35562137 DOI: 10.4103/ijpm.ijpm_1049_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023] Open
Abstract
Embryonal tumors are a heterogenous group of neoplasms mostly defined by recurrent genetic driver events. They have been, previously, broadly classified as either medulloblastoma or supratentorial primitive neuroectodermal tumors (PNETs). However, the application of DNA methylation/gene expression profiling in large series of neoplasms histologically defined as PNET, revealed tumors, which showed genetic events associated with glial tumors. These findings led to the definitive removal of the term "PNET" in the 2016 World Health Organization (WHO) classification of CNS tumors. Moreover, further studies on a large scale of methylation profiling have allowed the identification of new molecular-defined entities and have largely influenced the 5th edition of the WHO classification of CNS tumors (WHO CNS5) for both medulloblastomas and other CNS embryonal tumors. The importance of molecular characteristics in CNS embryonal tumors is well represented by the identification of different molecular groups and subgroups in medulloblastoma. So, in the CNS5, the emerged group 3 and group 4 belong to the classification, and the four molecular and morphologic types are now combined into a unique section. Among other embryonal tumors, two new recognized entities are introduced in CNS5: CNS neuroblastoma, FOXR2-activated, and CNS tumor with BCOR internal tandem duplication (ITD). Embryonal tumor with multilayered rosettes (ETMR), already present in the previous classification now has a revised nomenclature as a result of the new DICER1 alteration, additional to the formerly known C19MC. Regarding atypical teratoid/rhabdoid tumor (AT/RT), three molecular subgroups are recognized in CNS5. The combination of histopathological and molecular features reflects the complexity of all these tumors and gives critical information in terms of prognosis and therapy. This encourages the use of a layered diagnostic report with the integrated diagnosis at the top, succeeded by layers including the histological, molecular, and other essential details.
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Affiliation(s)
- Francesca Gianno
- Department of Radiological, Oncological and Anatomo-pathological Sciences, University Sapienza of Rome, Rome, Italy
| | - Evelina Miele
- Department of Hematology/Oncology and Stem Cell Transplantation, IRCCS Bambino Gesù Children Hospital, Rome, Italy
| | - Manila Antonelli
- Department of Radiological, Oncological and Anatomo-pathological Sciences, University Sapienza of Rome, Rome, Italy
| | - Felice Giangaspero
- Department of Radiological, Oncological and Anatomo-pathological Sciences, University Sapienza of Rome, Rome; IRCCS Neuromed, Pozzilli (IS), Italy
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Xia D, Chen Z, Liu Q. Circ-PGC increases the expression of FOXR2 by targeting miR-532-3p to promote the development of non-small cell lung cancer. Cell Cycle 2021; 20:2195-2209. [PMID: 34494941 DOI: 10.1080/15384101.2021.1974788] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
This study was to explore the function of circular progastricsin (circ-PGC) in NSCLC. The histological morphology of tumor tissues was observed by hematoxylin and eosin (HE) staining. The expression of circ-PGC, miR-532-3p and forkhead box R2 (FOXR2) mRNA was measured by real-time quantitative polymerase chain reaction (RT-qPCR). The protein level of FOXR2 was checked by western blot. In functional analyses, cell viability, colony formation, cell apoptosis, cell migration and cell invasion were investigated using cell counting kit-8 (CCK-8) assay, colony formation assay, flow cytometry assay, wound healing assay and transwell assay. Besides, glycolysis metabolism was assessed by the levels of glucose consumption, lactate production and adenosine triphosphate (ATP) production. The predicted relationship between miR-532-3p and circ-PGC and FOXR2 was verified by dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay. The results showed that circ-PGC and FOXR2 were upregulated in NSCLC tissues and cells. Circ-PGC knockdown or FOXR2 knockdown inhibited NSCLC cell viability, colony formation, cell migration, invasion and glycolysis metabolism, and FOXR2 overexpression rescued these inhibitory effects caused by circ-PGC knockdown. MiR-532-3p harbored the same binding site with circ-PGC and FOXR2, and circ-PGC positively regulated FOXR2 expression by targeting miR-532-3p. The expression of β-catenin and c-Myc was decreased in cells after circ-PGC knockdown but recovered with miR-532-3p inhibition or FOXR2 overexpression. Circ-PGC downregulation also inhibited tumor growth in vivo. In conclusion, circ-PGC positively regulated FOXR2 expression by competitively binding to miR-532-3p, thereby promoting the development of NSCLC, and the Wnt/β-catenin signaling pathway might be activated by the circ-PGC/miR-532-3p/FOXR2 network.
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Affiliation(s)
- Daokui Xia
- Department of Cardiothoracic Surgery, The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei, China
| | - Zhen Chen
- Department of Cardiothoracic Surgery, The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei, China
| | - Quan Liu
- Department of Cardiothoracic Surgery, The First College of Clinical Medical Science, China Three Gorges University, Yichang, Hubei, China
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Holsten T, Lubieniecki F, Spohn M, Mynarek M, Bison B, Löbel U, Rutkowski S, Schüller U. Detailed Clinical and Histopathological Description of 8 Cases of Molecularly Defined CNS Neuroblastomas. J Neuropathol Exp Neurol 2021; 80:52-59. [PMID: 33270865 DOI: 10.1093/jnen/nlaa128] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Central nervous system neuroblastoma with FOXR2 activation (CNS NB FOXR2) has recently been described as a class of brain tumors sharing common genetic events and a highly similar DNA methylation profile. Most of these tumors have previously been diagnosed as primitive neuroectodermal tumor (PNET). Whereas the entity of PNET has been removed from the WHO classification of brain tumors in its current edition, CNS neuroblastoma was kept as an entity, but still lacks any molecular detail. Here, we describe 8 cases of CNS NB FOXR2 focusing on histomorphological and immunohistochemical features and include magnetic resonance imaging (MRI) for 2 of these cases. MRI revealed large supratentorial masses in superficial location with prominent cysts and necrosis, but little edema. Diffusion and enhancement characteristics were variable. Histological analyses showed that most of the cases displayed neuronal differentiation with necrosis, endothelial proliferation, and high vascularity. Immunohistochemistry revealed strong expression of synaptophysin, MAP2, and OLIG2 as well as moderate proliferation. These findings suggest that tumors with the molecular diagnosis of CNS NB FOXR2 may fit well into the WHO entity of CNS neuroblastoma. Our findings may be helpful when establishing an integrated diagnosis and may be indispensable if molecular data are unavailable.
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Affiliation(s)
- Till Holsten
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf.,Research Institute, Children's Cancer Center Hamburg.,Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Fabiana Lubieniecki
- Department of Pediatric Pathology and Neuropathology, Pediatric Hospital "Dr. Prof. J.P. Garrahan", Buenos Aires, Argentina
| | - Michael Spohn
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf.,Research Institute, Children's Cancer Center Hamburg
| | - Martin Mynarek
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf
| | - Brigitte Bison
- Institute of Diagnostic and Interventional Neuroradiology of the University Hospital Würzburg, Würzburg, Germany
| | - Ulrike Löbel
- Department of Radiology, Great Ormond Street Hospital, London, United Kingdom
| | - Stefan Rutkowski
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf
| | - Ulrich Schüller
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf.,Research Institute, Children's Cancer Center Hamburg
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Asadollahi S, Mazaheri MN, Karimi-Zarchi M. The Relationship of FOXR2 Gene Expression Profile with Epithelial-Mesenchymal Transition Related Markers in Epithelial Ovarian Cancer. Klin Onkol 2021; 33:201-207. [PMID: 32683876 DOI: 10.14735/amko2020201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Several factors have been evaluated for their competency as applied bio-markers regarding dia-gnosis and therapy of ovarian cancer as one of the most cause of death due to the gynecologic malignancies. However, some Fox-factors have been shown to modulate cancer progression primarily by their impacts on the proliferation of the cells, the expression and potential function of FOXR2 (Forkhead Box R2), newly identified as a probable oncogene in a few human cancers, remains undecided in ovarian cancer. The aim of this study was to evaluate the FOXR2 and some epithelial-mesenchymal transition (EMT) -related gene expression profiles in epithelial ovarian cancer (EOC) tissues and their healthy samples as well as an ovarian cancer cell line (SKOV-3). METHODS In this observational study, 20 epithelial ovarian adenocarcinoma and their marginal samples, obtained from 20 women with EOC, as well as SKOV-3, were investigated for the relative gene expression levels of FOXR2, CDH1 (encoding E-cadherin) and FN1 (encoding fibronectin-1) in 2 groups using qualitative real-time polymerase chain reaction technique (qRT-PCR). RESULTS The findings demonstrated a significant up-regulation of FOXR2 and FN1 despite the CDH1 down-regulation in case samples compared to controls (P < 0.05). There was a significant correlation between FOXR2 gene expression profile and EMT-related markers in high-grade tumors. Furthermore, the bio-marker index of 0.772 was obtained for FOXR2 gene expression levels. CONCLUSIONS The findings indicated that the expression levels of FOXR2 have a significant association with ovarian cancer as far as it can be used as a dia-gnostic and therapeutic molecular bio-marker in ovarian cancer.
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Luo Z, Ye X, Cheng Y, Li F, Shou F, Wang G. E3 ubiquitin ligase PJA1 regulates lung adenocarcinoma apoptosis and invasion through promoting FOXR2 degradation. Biochem Biophys Res Commun 2021; 556:106-13. [PMID: 33839405 DOI: 10.1016/j.bbrc.2021.03.137] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 01/18/2023]
Abstract
Among all lung cancer cases, lung adenocarcinoma (LAC) represents nearly 40% and remains the leading cause of cancer deaths worldwide. Although the combination therapy of surgical treatment with radiotherapy, chemotherapy, and immunotherapy, has been used to treat LAC, unfortunately, high recurrence rates and poor survival remain. Therefore, novel prognostic markers and new targets for molecular targeted therapy in LAC is urgently needed. Fork-head box R2 (FOXR2) plays a key role in a wide range of cellular processes, including cellular proliferation, invasion, differentiation, and apoptosis, and it has been reported to be implicated in progression of LAC, thus inhibition of FOXR2 may be a novel targeting therapy for lung cancer. This current study found that E3 ligase PJA1 regulates ubiquitin-mediated degradation of FOXR2 and predicts good outcome of patients with LAC. In addition, it was showed force expression of PJA1 significantly inhibited LAC cells invasion and induced apoptosis in vitro through inactivating Wnt/β-catenin signaling pathway. In short, our findings reveal that PJA1 could be a potential diagnostic and prognostic biomarkers and the PJA1- FOXR2 axis could be served as a promising target for LAC therapy.
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Chen X, Chen H, Liu M, Xiong J, Song Z. Long noncoding RNA LINC00520 accelerates lung adenocarcinoma progression via miR-1252-5p/ FOXR2 pathway. Hum Cell 2021; 34:478-90. [PMID: 33464477 DOI: 10.1007/s13577-020-00478-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/24/2020] [Indexed: 01/13/2023]
Abstract
It has been corroborated that long noncoding RNA (lncRNA) played fundamental function in various human malignancies development including lung adenocarcinoma (lung ADC). In our study, LINC00520 roles in lung ADC tumorigenesis were explored. We found that LINC00520 level was elevated in lung ADC tissues and cell lines. Besides, the LINC00520 expression had a negative connection with miR-1252-5p level in lung ADC tissues. Additionally, our results demonstrated the reciprocal repression influence between LINC00520 and miR-1252-5p. Moreover, luciferase reporter assays, RIP (RNA-binding protein immunoprecipitation) and pull down assays revealed that miR-1252-5p regulated LINC00520 in RISC-dependent. Furthermore, knockdown of LINC00520 inhibited lung ADC cells proliferation, migration and invasion, while co-transfection with a miR-1252-5p inhibitor inverted these influences. Additionally, the findings also demonstrated that FOXR2 was a target of miR-1252-5p; thus, LINC00520 could regulate FOXR2 level. Moreover, LINC00520 silencing suppressed the tumor growth of lung ADC in vivo. In summary, our data indicated that LINC00520 may act as a ceRNA to modulated FOXR2 level by sponging miR-1252-5p, which might bring a potential and effective biomarker to lung ADC treatment.
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Liao CW, Zheng C, Wang L. Down-regulation of FOXR2 inhibits hypoxia-driven ROS-induced migration and invasion of thyroid cancer cells via regulation of the hedgehog pathway. Clin Exp Pharmacol Physiol 2020; 47:1076-1082. [PMID: 32068268 DOI: 10.1111/1440-1681.13286] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 02/08/2020] [Accepted: 02/14/2020] [Indexed: 12/15/2022]
Abstract
Forkhead box R2 (FOXR2), a new member of the FOX family, is involved in a wide range of biological processes such as embryogenesis, differentiation, transformation and metabolic homeostasis. Recently, FOXR2 has been reported to be aberrantly expressed in a variety of cancers and correlated with cancer development. However, the specific role of FOXR2 in thyroid cancer (TC) remains unclear. In this study, we showed that FOXR2 was highly expressed in TC tissues and cell lines. Moreover, down-regulation of FOXR2 inhibited hypoxia-induced reactive oxygen species (ROS) production and migration/invasion of TC cells. We also found that the hedgehog pathway was responsible for the partial mechanisms underlying the inhibitory effect. Taken together, these findings indicated that down-regulation of FOXR2 inhibits hypoxia-driven ROS-induced migration and invasion of TC cells via regulation of the hedgehog pathway. Thus, FOXR2 may hold great potential for TC treatment.
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Affiliation(s)
- Chong-Wu Liao
- First Department of General Surgery, Xi'an Central Hospital, Xi'an, China
| | - Chen Zheng
- First Department of General Surgery, Xi'an Central Hospital, Xi'an, China
| | - Le Wang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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12
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Liu APY, Gudenas B, Lin T, Orr BA, Klimo P, Kumar R, Bouffet E, Gururangan S, Crawford JR, Kellie SJ, Chintagumpala M, Fisher MJ, Bowers DC, Hassall T, Indelicato DJ, Onar-Thomas A, Ellison DW, Boop FA, Merchant TE, Robinson GW, Northcott PA, Gajjar A. Risk-adapted therapy and biological heterogeneity in pineoblastoma: integrated clinico-pathological analysis from the prospective, multi-center SJMB03 and SJYC07 trials. Acta Neuropathol 2020; 139:259-271. [PMID: 31802236 PMCID: PMC7065912 DOI: 10.1007/s00401-019-02106-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/14/2019] [Accepted: 11/23/2019] [Indexed: 12/14/2022]
Abstract
Pineoblastoma is a rare embryonal tumor of childhood that is conventionally treated with high-dose craniospinal irradiation (CSI). Multi-dimensional molecular evaluation of pineoblastoma and associated intertumoral heterogeneity is lacking. Herein, we report outcomes and molecular features of children with pineoblastoma from two multi-center, risk-adapted trials (SJMB03 for patients ≥ 3 years; SJYC07 for patients < 3 years) complemented by a non-protocol institutional cohort. The clinical cohort consisted of 58 patients with histologically diagnosed pineoblastoma (SJMB03 = 30, SJYC07 = 12, non-protocol = 16, including 12 managed with SJMB03-like therapy). The SJMB03 protocol comprised risk-adapted CSI (average-risk = 23.4 Gy, high-risk = 36 Gy) with radiation boost to the primary site and adjuvant chemotherapy. The SJYC07 protocol consisted of induction chemotherapy, consolidation with focal radiation (intermediate-risk) or chemotherapy (high-risk), and metronomic maintenance therapy. The molecular cohort comprised 43 pineal parenchymal tumors profiled by DNA methylation array (n = 43), whole-exome sequencing (n = 26), and RNA-sequencing (n = 16). Respective 5-year progression-free survival rates for patients with average-risk or high-risk disease on SJMB03 or SJMB03-like therapy were 100% and 56.5 ± 10.3% (P = 0.007); respective 2-year progression-free survival rates for those with intermediate-risk or high-risk disease on SJYC07 were 14.3 ± 13.2% and 0% (P = 0.375). Of patients with average-risk disease treated with SJMB03/SJMB03-like therapy, 17/18 survived without progression. DNA-methylation analysis revealed four clinically relevant pineoblastoma subgroups: PB-A, PB-B, PB-B-like, and PB-FOXR2. Pineoblastoma subgroups differed in age at diagnosis, propensity for metastasis, cytogenetics, and clinical outcomes. Alterations in the miRNA-processing pathway genes DICER1, DROSHA, and DGCR8 were recurrent and mutually exclusive in PB-B and PB-B-like subgroups; PB-FOXR2 samples universally overexpressed the FOXR2 proto-oncogene. Our findings suggest superior outcome amongst older children with average-risk pineoblastoma treated with reduced-dose CSI. The identification of biologically and clinically distinct pineoblastoma subgroups warrants consideration of future molecularly-driven treatment protocols for this rare pediatric brain tumor entity.
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Affiliation(s)
- Anthony P Y Liu
- Department of Oncology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, USA.
| | - Brian Gudenas
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Tong Lin
- Department of Biostatistics, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Brent A Orr
- Department of Pathology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Paul Klimo
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, TN, USA
- Le Bonheur Neuroscience Institute, Le Bonheur Children's Hospital, Memphis, TN, USA
| | - Rahul Kumar
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Eric Bouffet
- Division of Hematology-Oncology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Sridharan Gururangan
- Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, FL, USA
| | - John R Crawford
- University of California San Diego and Rady Children's Hospital, San Diego, CA, USA
| | - Stewart J Kellie
- Children's Cancer Centre, The Children's Hospital at Westmead and University of Sydney, Sydney, Australia
| | - Murali Chintagumpala
- Department of Pediatrics, Texas Children's Cancer Center, Baylor College of Medicine, Houston, TX, USA
| | - Michael J Fisher
- Division of Oncology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Daniel C Bowers
- Division of Pediatric Hematology and Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Tim Hassall
- Queensland Children's Hospital, Brisbane, QLD, Australia
| | - Daniel J Indelicato
- Department of Radiation Oncology, University of Florida, Jacksonville, FL, USA
| | - Arzu Onar-Thomas
- Department of Biostatistics, St Jude Children's Research Hospital, Memphis, TN, USA
| | - David W Ellison
- Department of Pathology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Frederick A Boop
- Department of Surgery, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, TN, USA
- Le Bonheur Neuroscience Institute, Le Bonheur Children's Hospital, Memphis, TN, USA
| | - Thomas E Merchant
- Department of Radiation Oncology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Giles W Robinson
- Department of Oncology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, USA
| | - Paul A Northcott
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Amar Gajjar
- Department of Oncology, St Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN, USA
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13
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Xu WB, Hou JQ, Chang JK, Li S, Liu GC, Cao SQ. [The mechanism of HOTAIR regulating the proliferation and apoptosis of prostate cancer cells by targeting down-regulation of miR-152 to improve the expression of FOXR2]. Zhonghua Yi Xue Za Zhi 2019; 99:1887-1892. [PMID: 31269585 DOI: 10.3760/cma.j.issn.0376-2491.2019.24.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To clarify the effect of FOXR2 on the proliferation and apoptosis of prostate cancer cells and to reveal the mechanism. Methods: The expression of FOXR2 in clinical samples of prostate cancer were detected by Quantitative Real-time PCR (qRT-PCR) and Western blotting. The CCK8 proliferation kit and the Annexin V-FITC apoptosis kit, flow cytometry were used to detect the proliferation and apoptosis of prostate cancer cells with or without the FOXR2 knockdown. Combined with the results of microRNA chip, we predicted the related miR-152 and detected the relationship between miR-152 and FOXR2 by luciferase reporter gene assay. The correlation between HOTAIR and miR-152 is clearly defined by software prediction and qRT-PCR. Results: FOXR2 had a relatively high expression in the prostate cancer tissue.The mRNA expression of FOXR2 is 4.9 times that of adjacent tissues, and the protein level was also significantly up-regulated. In the PC3 cell line, the specific knock-down of FOXR2 inhibits the proliferation of cells and promotes cell apoptosis. According to the microRNA chip results and luciferase reporter gene assay, we found miR-152 could regulate the expression of FOXR2; and FOXR2 3 'UTR had two miR-152 binding sites, all of which could control the expression of FOXR2. The results of LNCediting and qRT-PCR suggest that HOTAIR is negatively correlated with the expression of miR-152, and is involved in the regulation of miR-152 expression in prostate cancer. Conclusion: FOXR2 up-regulation can promote the proliferation and inhibit the apoptosis of prostate cancer cells because that HOTAIR restrains the expression of miR-152.
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Affiliation(s)
- W B Xu
- Department of Urology, Huaihe Hospital of Henan University, Kaifeng 475000, China
| | - J Q Hou
- Department of Urology, Huaihe Hospital of Henan University, Kaifeng 475000, China
| | - J K Chang
- Department of Urology, Huaihe Hospital of Henan University, Kaifeng 475000, China
| | - S Li
- Department of Urology, Huaihe Hospital of Henan University, Kaifeng 475000, China
| | - G C Liu
- Henan Engineering Laboratory of Antibody Drugs, Henan University, Kaifeng 475000, China
| | - S Q Cao
- Department of Urology, Huaihe Hospital of Henan University, Kaifeng 475000, China
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14
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Tian X, Zhang L, Jiao Y, Chen J, Shan Y, Yang W. CircABCB10 promotes nonsmall cell lung cancer cell proliferation and migration by regulating the miR-1252/ FOXR2 axis. J Cell Biochem 2018; 120:3765-3772. [PMID: 30417418 PMCID: PMC6587869 DOI: 10.1002/jcb.27657] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 08/21/2018] [Indexed: 12/17/2022]
Abstract
Circular RNA (circRNA) is a key regulator in the development and progression of human cancers. Previous studies confirmed circRNA‐0008717 (circABCB10) as an oncogene in osteosarcoma, but the regulatory effect of circABCB10 in nonsmall cell lung cancer (NSCLC) is still unclear. In the current study, we examined the expression of circABCB10 in different NSCLC cell lines. Bioinformatics analysis, Cell Counting Kit‐8 assays, Transwell migration, fluorescein reporting experiments, and xenografts in mice were used to detect the effect of circABCB10 on NSCLC cell proliferation and migration in vitro and tumor growth in vivo. The results showed that the expression of circABCB10 in NSCLC cell lines was increased. Downregulation of circABCB10 suppressed NSCLC cell proliferation and migration by promoting microRNA miR‐1252 expression and suppressing Forkhead box 2 (FOXR2). Fluorescein reporting experiments confirmed that circABCB10 expression increased FOXR2 levels by sponging miR‐1252, and in vivo experiments found that knockdown of circABCB10 decreased tumor growth. These data suggested that circABCB10 acted as a tumor promoter through a novel miR‐1252/FOXR2 axis, providing potential biomarkers and therapeutic targets for the management of NSCLC.
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Affiliation(s)
- Xufeng Tian
- Department of Emergency, Huashan Hospital, Fudan University, Shanghai, China
| | - Lin Zhang
- Department of Nursing, Tenth People's Hospital of Tongji University, Shanghai, China
| | - Yan Jiao
- Department of Thoracic Surgery, Shandong Cancer Hospital and Institute, Shandong Cancer Hospital Affiliated to Shandong University, Jinan, China
| | - Junsheng Chen
- Department of Thoracic Surgery, Shandong Cancer Hospital and Institute, Shandong Cancer Hospital Affiliated to Shandong University, Jinan, China
| | - Ying Shan
- Department of Emergency, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenfeng Yang
- Department of Nursing, Tenth People's Hospital of Tongji University, Shanghai, China
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15
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Leng X, Ma J, Liu Y, Shen S, Yu H, Zheng J, Liu X, Liu L, Chen J, Zhao L, Ruan X, Xue Y. Mechanism of piR-DQ590027/MIR17HG regulating the permeability of glioma conditioned normal BBB. J Exp Clin Cancer Res 2018; 37:246. [PMID: 30305135 PMCID: PMC6180493 DOI: 10.1186/s13046-018-0886-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 08/20/2018] [Indexed: 12/20/2022]
Abstract
Background The blood-brain barrier (BBB) strongly restricts the entry of anti-glioma drugs into tumor tissues and thus decreases chemotherapy efficacy. Malignant gliomas are highly invasive tumours that use the perivascular space for invasion and co-opt existing vessels as satellite tumor form. Because regulation of the effect of noncoding RNA on BBB function is attracting growing attention, we investigated the effects of noncoding RNA on the permeability of glioma conditioned normal BBB and the mechanism involved using PIWI-associated RNA piR-DQ590027 as a starting point. Methods The mRNA levels of MIR17HG, miR-153, miR-377, ZO-1, occludin, and claudin-5 were determined using real-time PCR. Transient cell transfection was performed using Lipofectamine 3000 reagent. TEER and HRP flux were applied to measure the permeability of glioma conditioned normal BBB. Western blotting and immunofluorescence assays were used to measure ZO-1, occludin, and claudin-5 levels. Reporter vector construction and a luciferase reporter assay were performed to detect the binding sites of MIR17HG and piR-DQ590027, MIR17HG and miR-153 (miR-377), and FOXR2 and miR-153 (miR-377). RNA immunoprecipitation was used to test the interaction between miR-153 (miR-377) and its target proteins. Chromatin immunoprecipitation was performed to detect the interaction between the transcription factor FOXR2 and ZO-1, occludin, and claudin-5. Results piR-DQ590027 was expressed at low levels in glioma-conditioned ECs (GECs) of the in vitro glioma conditioned normal BBB model. Overexpression of piR-DQ590027 down-regulated the expressions of ZO-1, occludin, and claudin-5 and increased the permeability of glioma conditioned normal BBB. MIR17HG had high expression in GECs but miR-153 and miR-377 had low expression. piR-DQ590027 bound to and negatively regulated MIR17HG. FOXR2 was a downstream target of miR-153 and miR-377; MIR17HG bound separately to miR-153 and miR-377 and negatively regulated their ability to mediate FOXR2 expression. FOXR2 associated with the promoter regions of ZO-1, occludin, and claudin-5 in GECs to promote their transcription. Conclusion The piR-DQ590027/MIR17HG/miR-153 (miR-377)/FOXR2 pathway plays an important role in regulating glioma conditioned normal BBB permeability and provides a new target for the comprehensive treatment of glioma. Electronic supplementary material The online version of this article (10.1186/s13046-018-0886-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xue Leng
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Jun Ma
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Yunhui Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Clinical Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Shuyuan Shen
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Hai Yu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Clinical Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Jian Zheng
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Clinical Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Xiaobai Liu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, 110004, People's Republic of China.,Liaoning Research Center for Clinical Medicine in Nervous System Disease, Shenyang, 110004, People's Republic of China.,Key Laboratory of Neuro-oncology in Liaoning Province, Shenyang, 110004, People's Republic of China
| | - Libo Liu
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Jiajia Chen
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Lini Zhao
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Xuelei Ruan
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China.,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China
| | - Yixue Xue
- Department of Neurobiology, College of Basic Medicine, China Medical University, Shenyang, 110122, People's Republic of China. .,Key Laboratory of Cell Biology, Ministry of Public Health of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang, 110122, People's Republic of China.
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16
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Li X, Wang W, Xi Y, Gao M, Tran M, Aziz KE, Qin J, Li W, Chen J. FOXR2 Interacts with MYC to Promote Its Transcriptional Activities and Tumorigenesis. Cell Rep 2016; 16:487-497. [PMID: 27346356 DOI: 10.1016/j.celrep.2016.06.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 01/14/2016] [Accepted: 05/23/2016] [Indexed: 12/22/2022] Open
Abstract
By combining the results of a large-scale proteomic analysis of the human transcription factor interaction network with knowledge databases, we identified FOXR2 as one of the top-ranked candidate proto-oncogenes. Here, we show that FOXR2 forms a stable complex with MYC and MAX and subsequently regulates cell proliferation by promoting MYC's transcriptional activities. We demonstrate that FOXR2 is highly expressed in several breast, lung, and liver cancer cell lines and related patient tumor samples, while reduction of FOXR2 expression in a xenograft model inhibits tumor growth. These results indicate that FOXR2 acts with MYC to promote cancer cell proliferation, which is a potential tumor-specific target for therapeutic intervention against MYC-driven cancers.
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Affiliation(s)
- Xu Li
- Department of Experimental Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Wenqi Wang
- Department of Experimental Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Yuanxin Xi
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA; Division of Biostatistics, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Min Gao
- Department of Experimental Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - MyKim Tran
- Department of Experimental Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Kathryn E Aziz
- Department of Experimental Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jun Qin
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Wei Li
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA; Division of Biostatistics, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Junjie Chen
- Department of Experimental Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
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17
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Wang X, He B, Gao Y, Li Y. FOXR2 contributes to cell proliferation and malignancy in human hepatocellular carcinoma. Tumour Biol 2016; 37:10459-67. [PMID: 26846213 DOI: 10.1007/s13277-016-4923-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 01/27/2016] [Indexed: 02/06/2023] Open
Abstract
Forkhead box R2 (FOXR2), a member of forkhead box (FOX) family, has been identified as an oncogene in medulloblastoma and breast cancer recently. However, the expression and function of FOXR2 in hepatocellular carcinoma cell (HCC) are still unclear. Here, we report that FOXR2 is frequently upregulated in 25/42 (59.5 %) of HCC specimens compared with neighboring non-cancerous tissues in messenger RNA (mRNA) level and further confirmed by immunohistochemistry analysis in protein level. Cellular function analyses revealed that FOXR2 promoted cell growth and colony formation, whereas knockdown of FOXR2 by RNA inference inhibited cell growth and decreased the growth ability of HCC cells in soft agar. Moreover, we also found FOXR2 overexpression facilitated the development of tumor xenografts in nude mice model. In addition, we validated β-catenin, Skp2, c-Myc, and Gli-1 as the potential downstream effectors of FOXR2 in the regulation of cell proliferation and malignancy by quantitative real-time PCR analysis. Collectively, our data suggest that FOXR2 promotes cell proliferation and malignancy in HCC and could be a novel promising therapeutic target for this disease.
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Affiliation(s)
- Xiao Wang
- Department of Oncology and Hematology, Shanghai East Hospital, Tongji University School of Medicine, 150 Ji-Mo Road, Shanghai, 200120, China.,Department of Oncology, East Hospital, Dalian Medical University, Shanghai, 200120, China
| | - Bin He
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Yong Gao
- Department of Oncology and Hematology, Shanghai East Hospital, Tongji University School of Medicine, 150 Ji-Mo Road, Shanghai, 200120, China
| | - Yandong Li
- Department of Oncology and Hematology, Shanghai East Hospital, Tongji University School of Medicine, 150 Ji-Mo Road, Shanghai, 200120, China.
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