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Fu Y, Zhang X, Wu H, Zhang P, Liu S, Guo T, Shan H, Liang Y, Chen H, Xie J, Duan Y. HOXA3 functions as the on-off switch to regulate the development of hESC-derived third pharyngeal pouch endoderm through EPHB2-mediated Wnt pathway. Front Immunol 2024; 14:1258074. [PMID: 38259452 PMCID: PMC10800530 DOI: 10.3389/fimmu.2023.1258074] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Objectives Normal commitment of the endoderm of the third pharyngeal pouch (3PP) is essential for the development and differentiation of the thymus. The aim of this study was to investigate the role of transcription factor HOXA3 in the development and differentiation of 3PP endoderm (3PPE) from human embryonic stem cells (hESCs). Methods The 3PPE was differentiated from hESC-derived definitive endoderm (DE) by mimicking developmental queues with Activin A, WNT3A, retinoic acid and BMP4. The function of 3PPE was assessed by further differentiating into functional thymic epithelial cells (TECs). The effect of HOXA3 inhibition on cells of 3PPE was subsequently investigated. Results A highly efficient approach for differentiating 3PPE cells was developed and these cells expressed 3PPE related genes HOXA3, SIX1, PAX9 as well as EpCAM. 3PPE cells had a strong potential to develop into TECs which expressed both cortical TEC markers K8 and CD205, and medullary TEC markers K5 and AIRE, and also promoted the development and maturation of T cells. More importantly, transcription factor HOXA3 not only regulated the differentiation of 3PPE, but also had a crucial role for the proliferation and migration of 3PPE cells. Our further investigation revealed that HOXA3 controlled the commitment and function of 3PPE through the regulation of Wnt signaling pathway by activating EPHB2. Conclusion Our results demonstrated that HOXA3 functioned as the on-off switch to regulate the development of hESC-derived 3PPE through EPHB2-mediated Wnt pathway, and our findings will provide new insights into studying the development of 3PP and thymic organ in vitro and in vivo.
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Affiliation(s)
- Yingjie Fu
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Xueyan Zhang
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Haibin Wu
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Pingping Zhang
- Department of Laboratory Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Shoupei Liu
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Tingting Guo
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Huanhuan Shan
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Yan Liang
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Honglin Chen
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
- Medical Research Institute, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Jinghe Xie
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou, China
| | - Yuyou Duan
- Laboratory of Stem Cells and Translational Medicine, Institute for Clinical Medicine, the Second Affiliation Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Laboratory of Stem Cells and Translational Medicine, Institutes for Life Sciences, School of Medicine, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, China
- The Innovation Centre of Ministry of Education for Development and Diseases, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, China
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Yang R, Zhang G, Dong Z, Wang S, Li Y, Lian F, Liu X, Li H, Wei X, Cui H. Homeobox A3 and KDM6A cooperate in transcriptional control of aerobic glycolysis and glioblastoma progression. Neuro Oncol 2023; 25:635-647. [PMID: 36215227 PMCID: PMC10076951 DOI: 10.1093/neuonc/noac231] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [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: 03/16/2022] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Alterations in transcriptional regulators of glycolytic metabolism have been implicated in brain tumor growth, but the underlying molecular mechanisms remain poorly understood. METHODS Knockdown and overexpression cells were used to explore the functional roles of HOXA3 in cell proliferation, tumor formation, and aerobic glycolysis. Chromatin immunoprecipitation, luciferase assays, and western blotting were performed to verify the regulation of HK2 and PKM2 by HOXA3. PLA, Immunoprecipitation, and GST-pull-down assays were used to examine the interaction of HOXA3 and KDM6A. RESULTS We report that transcription factor homeobox A3 (HOXA3), which is aberrantly highly expressed in glioblastoma (GBM) patients and predicts poor prognosis, transcriptionally activates aerobic glycolysis, leading to a significant acceleration in cell proliferation and tumor growth. Mechanically, we identified KDM6A, a lysine-specific demethylase, as an important cooperator of HOXA3 in regulating aerobic glycolysis. HOXA3 activates KDM6A transcription and recruits KDM6A to genomic binding sites of glycolytic genes, targeting glycolytic genes for transcriptional activation by removing the suppressive histone modification H3K27 trimethylation. Further evidence demonstrates that HOXA3 requires KDM6A for transcriptional activation of aerobic glycolysis and brain tumor growth. CONCLUSIONS Our findings provide a novel molecular mechanism linking HOXA3-mediated transactivation and KDM6A-coupled H3K27 demethylation in regulating glucose metabolism and GBM progression.
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Affiliation(s)
- Rui Yang
- Institute of Precision Medicine, Jining Medical University, Jining 272067, China
| | - Guanghui Zhang
- Cancer Center, Medical Research Institute, Southwest University, Chongqing 400716, China
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China
- Engineering Research Center for Cancer Biomedical and Translational Medicine, Southwest University, Chongqing 400716, China
| | - Zhen Dong
- Cancer Center, Medical Research Institute, Southwest University, Chongqing 400716, China
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China
- Engineering Research Center for Cancer Biomedical and Translational Medicine, Southwest University, Chongqing 400716, China
| | - Shanshan Wang
- Institute of Precision Medicine, Jining Medical University, Jining 272067, China
| | - Yanping Li
- Institute of Precision Medicine, Jining Medical University, Jining 272067, China
| | - Fuming Lian
- Institute of Precision Medicine, Jining Medical University, Jining 272067, China
| | - Xiaoran Liu
- Institute of Precision Medicine, Jining Medical University, Jining 272067, China
| | - Haibin Li
- Institute of Precision Medicine, Jining Medical University, Jining 272067, China
| | - Xiaonan Wei
- Institute of Precision Medicine, Jining Medical University, Jining 272067, China
| | - Hongjuan Cui
- Cancer Center, Medical Research Institute, Southwest University, Chongqing 400716, China
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China
- Engineering Research Center for Cancer Biomedical and Translational Medicine, Southwest University, Chongqing 400716, China
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Lu H, Zhang Q, Sun Y, Wu D, Liu L. LINC00689 induces gastric cancer progression via modulating the miR-338-3p/ HOXA3 axis. J Gene Med 2020; 22:e3275. [PMID: 32926751 DOI: 10.1002/jgm.3275] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 07/04/2020] [Revised: 08/08/2020] [Accepted: 08/29/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND LINC00689 acts one critical regulatory role in several tumors. However, the functional, regulatory mechanism and expression of LINC00689 remains unknown in gastric cancer. METHODS LINC00689 and miR-338-3p levels were determined using a quantitative reverse transcriptase-polymerase chain reaction analysis and an enzyme-linked immunoassay and a cell-counting kit-8 assay were utilized to detect interleukin (IL)-8, IL-6 and IL-1β expression and cell proliferation, respectively. RESULTS We found that LINC00689 and HOXA3 are overexpressed and miR-338-3p is decreased in gastric cancer cells. Compared to control specimens, LINC00689 is overexpressed in gastric cancer specimens and the level of LINC00689 was up-regulated in 32 cases (32/40; 80.0%) compared to control samples. LINC00689 increased cell growth, epithelial-mesenchymal transition (EMT) development and secretion of inflammatory factors in gastric cancer. Compared to control specimens, miR-338-3p expression was decreased in gastric cancer specimens and a Pearson's correlation assay revealed that miR-338-3p was negatively correlated with LINC00689 expression in gastric cancer specimens. HOXA3 was identified as one target gene of miR-338-3p and Ectopic expression of LINC00689 suppressed miR-338-3p and enhanced HOXA3 expression in HGC-27 cells. LINC00689 enhanced cell growth, EMT development and secretion of inflammatory factors by promoting HOXA3. CONCLUSIONS LINC00689 may present a potential future target for gastric cancer treatment.
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Affiliation(s)
- Hui Lu
- Department of Medical Oncology, The First People's Hospital of Zhengzhou, ZhengZhou, China
| | - Qian Zhang
- Department of Medical Oncology, The First People's Hospital of Zhengzhou, ZhengZhou, China
| | - Yaqiong Sun
- Department of Medical Oncology, The First People's Hospital of Zhengzhou, ZhengZhou, China
| | - Dedong Wu
- Department of Medical Oncology, The First People's Hospital of Zhengzhou, ZhengZhou, China
| | - Liying Liu
- Department of Medical Oncology, The First People's Hospital of Zhengzhou, ZhengZhou, China
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Li HZ, Xu XH, Lin N, Wang DW, Lin YM, Su ZZ, Lu HD. Overexpression of miR-10a-5p facilitates the progression of osteoarthritis. Aging (Albany NY) 2020; 12:5948-5976. [PMID: 32283545 PMCID: PMC7185093 DOI: 10.18632/aging.102989] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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: 10/05/2019] [Accepted: 03/02/2020] [Indexed: 12/21/2022]
Abstract
The current study was aimed at exploring the potential roles and possible mechanisms of miR-10a-5p in osteoarthritis (OA). We performed RT-qPCR, Western blot, CCK8, EdU Assay, and flow cytometry assay to clarify the roles of miR-10a-5p in OA. Furthermore, the whole transcriptome sequencing together with integrated bioinformatics analyses were conducted to elucidate the underlying mechanisms of miR-10a-5p involving in OA. Our results demonstrated that miR-10a-5p was upregulated in OA and acted as a significant contributing factor for OA. A large number of circRNAs, lncRNAs, miRNAs, and mRNAs were identified by overexpressing miR-10a-5p. Functional enrichment analyses indicated that these differentially-expressed genes were enriched in some important terms including PPAR signaling pathway, PI3K-Akt signaling pathway, and p53 signaling pathway. A total of 42 hub genes were identified in the protein-protein interaction network including SERPINA1, TTR, APOA1, and A2M. Also, we constructed the network regulatory interactions across coding and noncoding RNAs triggered by miR-10a-5p, which revealed the powerful regulating effects of miR-10a-5p. Moreover, we found that HOXA3 acted as the targeted genes of miR-10a-5p and miR-10a-5p contributed to the progression of OA by suppressing HOXA3 expression. Our findings shed insight on regulatory mechanisms of miR-10a-5p, which might provide novel therapeutic targets for OA.
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Affiliation(s)
- Hui-Zi Li
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Department of Interventional Medicine, The Fifth Affiliated Hospital Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Xiang-He Xu
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Department of Interventional Medicine, The Fifth Affiliated Hospital Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Nan Lin
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Department of Interventional Medicine, The Fifth Affiliated Hospital Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Da-Wei Wang
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Yi-Ming Lin
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Zhong-Zhen Su
- Department of Interventional Medicine, The Fifth Affiliated Hospital Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Department of Medical Ultrasonics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China
| | - Hua-Ding Lu
- Department of Orthopaedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Department of Interventional Medicine, The Fifth Affiliated Hospital Sun Yat-sen University, Zhuhai 519000, Guangdong, China.,Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, Guangdong, China
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He C, Chen ZY, Li Y, Yang ZQ, Zeng F, Cui Y, He Y, Chen JB, Chen HQ. miR-10b suppresses cell invasion and metastasis through targeting HOXA3 regulated by FAK/YAP signaling pathway in clear-cell renal cell carcinoma. BMC Nephrol 2019; 20:127. [PMID: 30975094 PMCID: PMC6458703 DOI: 10.1186/s12882-019-1322-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [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: 08/23/2018] [Accepted: 03/31/2019] [Indexed: 12/27/2022] Open
Abstract
Background MicroRNAs have been related to tumor progression in diverse human cancers including clear-cell renal cell carcinoma (ccRCC). Previous study has suggested the important regulation function of miR-10b in ccRCC. However, the direct target of miR-10b in ccRCC and the related molecular mechanisms has not yet been revealed. Methods miR-10b and HOXA3 was detected by qRT-PCR. MTT, colony formation assay, wound-healing and transwell assays were performed to detect cell proliferation, colony formation, migration, and invasion abilities in ccRCC. Western blot analyses were performed to evaluate the protein expression of HOXA3, YAP, FAK and MMP-9. Dual luciferase reporter assay was employed to measure potential molecular mechanism of miR-10b in ccRCC. Results miR-10b was down-regulated in 786-O and A498 cells as compared to renal tubular HK-2 cells. By contrast, HOXA3 and YAP was up-regulated in ccRCC cells and tissues. Functionally, knockdown of YAP inhibited cell proliferation, migration and invasion. Knockdown of FAK downregulated YAP, in turn, resulted in a decrease of HOXA3 expression. Mechanically, miR-10b targets HOXA3 to exert its tumor-suppressive effect on ccRCC in vitro. Conclusions These novel data suggest that miR-10b suppresses cell invasion and metastasis through targeting HOXA3, which partially passed through the FAK/YAP signaling pathway.
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Affiliation(s)
- Cheng He
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - Zhi-Yong Chen
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - Yang Li
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - Zhong-Qing Yang
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - Feng Zeng
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - Yu Cui
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - Yao He
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - Jin-Bo Chen
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China
| | - He-Qun Chen
- Department of Urology, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410000, Hunan Province, People's Republic of China.
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Jiang L, Wu Z, Meng X, Chu X, Huang H, Xu C. LncRNA HOXA-AS2 Facilitates Tumorigenesis and Progression of Papillary Thyroid Cancer by Modulating the miR-15a-5p/ HOXA3 Axis. Hum Gene Ther 2019; 30:618-631. [PMID: 30375256 DOI: 10.1089/hum.2018.109] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [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: 01/20/2023] Open
Abstract
The long non-coding RNA HOXA-AS2 has been found to be an oncogene in several types of human malignant tumors. However, its role in regulating the occurrence and development of papillary thyroid cancer (PTC) is still unclear. The present study investigated the function and mechanism(s) of HOXA-AS2 in PTC progression. Using quantitative real-time polymerase chain reaction, HOXA-AS2 was found to be differentially expressed in PTC tissues and cell lines. Kaplan-Meier analysis indicated that the overall survival rate of patients with higher levels of HOXA-AS2 was lower than those with relatively lower levels. Loss-of-function assays revealed that HOXA-AS2 knockdown inhibited PTC progression by inhibiting cellular proliferation, migration, and invasion and accelerating apoptosis. Mechanistically, loss-of-function assays showed a positive correlation between HOXA3 and HOXA-AS2 expression. Subcellular fractionation assay results revealed abundant HOXA-AS2 expression in the cytoplasm of PTC cells. Additionally, FOXD2-AS1 was found to upregulate HOXA3 expression by binding to miR-15a-5p. Finally, rescue assays demonstrated the overall function of the HOXA-AS2/miR-15a-5p/HOXA3 axis in PTC progression. These findings will significantly contribute to further research and the development of more efficient treatments for thyroid cancer in the future.
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Affiliation(s)
- Liangfeng Jiang
- 1 Pharmacy Department, the First People's Hospital of Fuyang Hangzhou, Hangzhou, P.R. China
| | - Zhiming Wu
- 2 General Surgery Department, Shaoxing Hospital of China Medical University, Shaoxing, P.R. China
| | - Xingcheng Meng
- 2 General Surgery Department, Shaoxing Hospital of China Medical University, Shaoxing, P.R. China
| | - Xiufeng Chu
- 2 General Surgery Department, Shaoxing Hospital of China Medical University, Shaoxing, P.R. China
| | - Hongjun Huang
- 2 General Surgery Department, Shaoxing Hospital of China Medical University, Shaoxing, P.R. China
| | - Chaoyang Xu
- 3 Department of Thyroid Breast Surgery, the People's Hospital of Shaoxing, Shaoxing, P.R. China
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Zhao Q, Zhao S, Li J, Zhang H, Qian C, Wang H, Liu J, Zhao Y. TCF7L2 activated HOXA-AS2 decreased the glucocorticoid sensitivity in acute lymphoblastic leukemia through regulating HOXA3/EGFR/Ras/Raf/MEK/ERK pathway. Biomed Pharmacother 2019; 109:1640-9. [PMID: 30551418 DOI: 10.1016/j.biopha.2018.10.046] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 10/08/2018] [Accepted: 10/09/2018] [Indexed: 11/23/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is characterized by abnormal lymphoblasts accumulation in the bone marrow and blood. Despite great efforts have been made in exploring novel therapeutic method, the prognosis of children with ALL is still unsatisfied. Glucocorticoid (GC) resistance is a great obstacle for the clinical treatment of ALL. Therefore, it is essential to investigate the molecular mechanism underlying the GC resistance. According to previous reports, long noncoding RNAs (lncRNAs) are involved in drug resistance of various human cancers. LncRNA HOXA cluster antisense RNA2 (HOXA-AS2) has been reported in several human malignancies due to its oncogenic property. However, the molecular mechanism of HOXA-AS2 involved in the GC resistance of ALL still needs to be further clarified. At first, we found that lncRNA HOXA-AS2 was highly expressed both in prednisone insensitive ALL cell lines and patient samples. Gain or loss-of-function assays revealed that HOXA-AS2 enhanced GC resistance via promoting cell proliferation and inhibiting cell apoptosis. Furthermore, we validated that HOXA-AS2 upregulated HOXA3, thereby activating EGFR/Ras/Raf/MEK/ERK signaling pathway. Our findings showed that HOXA-AS2 may be a potential therapeutic target for ALL patients with poor GC resistance.
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Zhang X, Liu G, Ding L, Jiang T, Shao S, Gao Y, Lu Y. HOXA3 promotes tumor growth of human colon cancer through activating EGFR/Ras/Raf/MEK/ERK signaling pathway. J Cell Biochem 2017; 119:2864-2874. [PMID: 29073728 DOI: 10.1002/jcb.26461] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [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: 07/26/2017] [Accepted: 10/24/2017] [Indexed: 12/13/2022]
Abstract
Homeobox A3 (HOXA3), one of HOX transcription factors, regulates gene expression during embryonic development. HOXA3 expression has been reported to be associated with several cancers; however, its role in colon cancer and underlying mechanism are still unclear. The expression of HOXA3 in 232 paired of human colon tumor and adjacent non-tumorous tissues were measured by qPCR. The relationship between HOXA3 expression and clinical outcomes were analyzed by Kaplan-Meier survival curves analysis. Human colon cancer cell lines HT29 and HTC116 were transfected with HOXA3 siRNA, or HOXA3 expressing vector, and then cell proliferation and apoptosis were assessed, respectively. Western blot was performed to detect the activation of EGFR/Ras/Raf/MEK/ERK signaling pathway. Moreover, HOXA3-overexpressing and HOXA3-suppressing HT29 cells were subcutaneous injected into nod mice to confirm the regulation of HOXA3 on EGFR/Ras/Raf/MEK/ERK signaling in regulating tumor growth. HOXA3 was upregulated in colon tumor tissues and cell lines, and upregulated expression of HOXA3 was associated with low survival rate. Knockdown of HOXA3 suppressed cell viability and clone formation, while induced cell apoptosis. HOXA3 knockdown could not induce the increase of cell apoptosis on the condition of EGFR overexpression. In vivo xenograft studies, HOXA3-suppressing cells showed less tumorigenic. Moreover, HOXA3 knockdown suppressed the activation of EGFR/Ras/Raf/MEK/ERK signaling pathway. To conclude, this study indicated that HOXA3 might act as a promoter of human colon cancer formation by regulating EGFR/Ras/Raf/MEK/ERK signaling pathway. HOXA3 might be a potential therapeutic target for the treatment of colon cancer.
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Affiliation(s)
- Xianxiang Zhang
- Department of General Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Guangwei Liu
- Department of Outpatient, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lei Ding
- Office of Medical Safety Management, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Tao Jiang
- Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shihong Shao
- Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yuan Gao
- Department of General Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yun Lu
- Department of General Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
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Han B, Lian L, Li X, Zhao C, Qu L, Liu C, Song J, Yang N. Chicken gga-miR-130a targets HOXA3 and MDFIC and inhibits Marek's disease lymphoma cell proliferation and migration. Mol Biol Rep 2016; 43:667-76. [PMID: 27178573 DOI: 10.1007/s11033-016-4002-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [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: 12/12/2015] [Accepted: 05/04/2016] [Indexed: 12/19/2022]
Abstract
Marek's disease (MD) is an infectious disease of chickens caused by MD virus (MDV), which is a herpesvirus that initiates tumor formation. Studies have indicated that microRNAs (miRNAs) are linked with the development of cancers or tumors. Previously, gga-miR-130a was discovered downregulated in MDV-infected tissues. Here, we aimed to explore the further function of gga-miR-130a in MD. The expression of gga-miR-130a in MDV-infected and uninfected spleens was detected by quantitative real-time PCR (qRT-PCR). Subsequently, proliferation and migration assays of MDV-transformed lymphoid cells (MSB1) were carried out by transfecting gga-miR-130a. The target genes of gga-miR-130a were predicted using TargetScan and miRDB and clustered through Gene Ontology analysis. The target genes were validated by western blot, qRT-PCR, and a dual luciferase reporter assay. Our results show that the expression of gga-miR-130a was reduced in MDV-infected spleens. Gga-miR-130a showed an inhibitory effect on MSB1 cell proliferation and migration. Two target genes, homeobox A3 (HOXA3) and MyoD family inhibitor domain containing (MDFIC), were predicted and clustered to cell proliferation. Results indicate that gga-miR-130a regulates HOXA3 and MDFIC at the protein level but not at the mRNA level. Moreover, the gga-miR-130a binding sites of two target genes have been confirmed. We conclude that gga-miR-130a can arrest MSB1 cell proliferation and migration, and target HOXA3 and MDFIC, which are both involved in the regulation of cell proliferation. Collectively, gga-miR-130a plays a critical role in the tumorigenesis associated with chicken MD.
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Affiliation(s)
- Bo Han
- Department of Animal Genetics and Breeding, National Engineering Laboratory for Animal Breeding College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Ling Lian
- Department of Animal Genetics and Breeding, National Engineering Laboratory for Animal Breeding College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Xin Li
- Department of Animal Genetics and Breeding, National Engineering Laboratory for Animal Breeding College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Chunfang Zhao
- Department of Animal Genetics and Breeding, National Engineering Laboratory for Animal Breeding College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Lujiang Qu
- Department of Animal Genetics and Breeding, National Engineering Laboratory for Animal Breeding College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Changjun Liu
- Division of Avian Infectious Diseases, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - Jiuzhou Song
- Department of Animal & Avian Sciences, University of Maryland, College Park, MD, 20742, USA
| | - Ning Yang
- Department of Animal Genetics and Breeding, National Engineering Laboratory for Animal Breeding College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
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Chojnowski JL, Trau HA, Masuda K, Manley NR. Temporal and spatial requirements for Hoxa3 in mouse embryonic development. Dev Biol 2016; 415:33-45. [PMID: 27178667 DOI: 10.1016/j.ydbio.2016.05.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [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: 01/01/2016] [Revised: 05/09/2016] [Accepted: 05/09/2016] [Indexed: 01/23/2023]
Abstract
Hoxa3(null) mice have severe defects in the development of pharyngeal organs including athymia, aparathyroidism, thyroid hypoplasia, and ultimobranchial body persistence, in addition to defects of the throat cartilages and cranial nerves. Some of the structures altered in the Hoxa3(null) mutant embryos are anterior to the described Hoxa3 gene expression boundary: the thyroid, soft palate, and lesser hyoid horn. All of these structures develop over time and through the interactions of multiple cell types. To investigate the specific cellular targets for HOXA3 function in these structures across developmental time, we performed a comprehensive analysis of the temporal and tissue-specific requirements for Hoxa3, including a lineage analysis using Hoxa3(Cre). The combination of these approaches showed that HOXA3 functions in both a cell autonomous and non-cell autonomous manner during development of the 3rd and 4th arch derivatives, and functions in a neural crest cell (NCC)-specific, non-cell autonomous manner for structures that were Hoxa3-negative by lineage tracing. Our data indicate that HOXA3 is required for tissue organization and organ differentiation in endodermal cells (in the tracheal epithelium, thymus, and parathyroid), and contributes to organ migration and morphogenesis in NCCs. These data provide a detailed picture of where and when HOXA3 acts to promote the development of the diverse structures that are altered in the Hoxa3(null) mutant. Data presented here, combined with our previous studies, indicate that the regionally restricted defects in Hoxa3 mutants do not reflect a role in positional identity (establishment of cell or tissue fate), but instead indicate a wider variety of functions including controlling distinct genetic programs for differentiation and morphogenesis in different cell types during development.
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Affiliation(s)
- Jena L Chojnowski
- Department of Genetics, Paul D. Coverdell Center, University of Georgia, 500 DW Brooks Drive, Athens, GA, 30602, USA
| | - Heidi A Trau
- Department of Genetics, Paul D. Coverdell Center, University of Georgia, 500 DW Brooks Drive, Athens, GA, 30602, USA
| | - Kyoko Masuda
- Department of Genetics, Paul D. Coverdell Center, University of Georgia, 500 DW Brooks Drive, Athens, GA, 30602, USA
| | - Nancy R Manley
- Department of Genetics, Paul D. Coverdell Center, University of Georgia, 500 DW Brooks Drive, Athens, GA, 30602, USA.
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