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An F, Chang W, Song J, Zhang J, Li Z, Gao P, Wang Y, Xiao Z, Yan C. Reprogramming of glucose metabolism: Metabolic alterations in the progression of osteosarcoma. J Bone Oncol 2024; 44:100521. [PMID: 38288377 PMCID: PMC10823108 DOI: 10.1016/j.jbo.2024.100521] [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: 10/24/2023] [Revised: 12/25/2023] [Accepted: 01/02/2024] [Indexed: 01/31/2024] Open
Abstract
Metabolic reprogramming is an adaptive response of tumour cells under hypoxia and low nutrition conditions. There is increasing evidence that glucose metabolism reprogramming can regulate the growth and metastasis of osteosarcoma (OS). Reprogramming in the progress of OS can bring opportunities for early diagnosis and treatment of OS. Previous research mainly focused on the glycolytic pathway of glucose metabolism, often neglecting the tricarboxylic acid cycle and pentose phosphate pathway. However, the tricarboxylic acid cycle and pentose phosphate pathway of glucose metabolism are also involved in the progression of OS and are closely related to this disease. The research on glucose metabolism in OS has not yet been summarized. In this review, we discuss the abnormal expression of key molecules related to glucose metabolism in OS and summarize the glucose metabolism related signaling pathways involved in the occurrence and development of OS. In addition, we discuss some of the targeted drugs that regulate glucose metabolism pathways, which can lead to effective strategies for targeted treatment of OS.
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Affiliation(s)
- Fangyu An
- Teaching Experiment Training Center, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Weirong Chang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Jiayi Song
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Jie Zhang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Zhonghong Li
- Teaching Experiment Training Center, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Peng Gao
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Yujie Wang
- School of Tradional Chinese and Werstern Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Zhipan Xiao
- School of Tradional Chinese and Werstern Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
| | - Chunlu Yan
- School of Tradional Chinese and Werstern Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu, China
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Xiang Y, Yang Y, Liu J, Yang X. Functional role of MicroRNA/PI3K/AKT axis in osteosarcoma. Front Oncol 2023; 13:1219211. [PMID: 37404761 PMCID: PMC10315918 DOI: 10.3389/fonc.2023.1219211] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/01/2023] [Indexed: 07/06/2023] Open
Abstract
Osteosarcoma (OS) is a primary malignant bone tumor that occurs in children and adolescents, and the PI3K/AKT pathway is overactivated in most OS patients. MicroRNAs (miRNAs) are highly conserved endogenous non-protein-coding RNAs that can regulate gene expression by repressing mRNA translation or degrading mRNA. MiRNAs are enriched in the PI3K/AKT pathway, and aberrant PI3K/AKT pathway activation is involved in the development of osteosarcoma. There is increasing evidence that miRNAs can regulate the biological functions of cells by regulating the PI3K/AKT pathway. MiRNA/PI3K/AKT axis can regulate the expression of osteosarcoma-related genes and then regulate cancer progression. MiRNA expression associated with PI3K/AKT pathway is also clearly associated with many clinical features. In addition, PI3K/AKT pathway-associated miRNAs are potential biomarkers for osteosarcoma diagnosis, treatment and prognostic assessment. This article reviews recent research advances on the role and clinical application of PI3K/AKT pathway and miRNA/PI3K/AKT axis in the development of osteosarcoma.
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Zong Y, Wang X, Cui B, Xiong X, Wu A, Lin C, Zhang Y. Decoding the regulatory roles of non-coding RNAs in cellular metabolism and disease. Mol Ther 2023; 31:1562-1576. [PMID: 37113055 PMCID: PMC10277898 DOI: 10.1016/j.ymthe.2023.04.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 04/12/2023] [Accepted: 04/21/2023] [Indexed: 04/29/2023] Open
Abstract
Non-coding RNAs, including long non-coding RNAs (lncRNAs), microRNAs (miRNAs), and circular RNAs (circRNAs), are being studied extensively in a variety of fields. Their roles in metabolism have received increasing attention in recent years but are not yet clear. The regulation of glucose, fatty acid, and amino acid metabolism is an imperative physiological process that occurs in living organisms and takes part in cancer and cardiovascular diseases. Here, we summarize the important roles played by non-coding RNAs in glucose metabolism, fatty acid metabolism, and amino acid metabolism, as well as the mechanisms involved. We also summarize the therapeutic advances for non-coding RNAs in diseases such as obesity, cardiovascular disease, and some metabolic diseases. Overall, non-coding RNAs are indispensable factors in metabolism and have a significant role in the three major metabolisms, which may be exploited as therapeutic targets in the future.
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Affiliation(s)
- Yuru Zong
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Xuliang Wang
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing 100191, China
| | - Bing Cui
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China
| | - Xiaowei Xiong
- Department of Cardiology and Macrovascular Disease, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, China
| | - Andrew Wu
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Chunru Lin
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; The Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Yaohua Zhang
- Beijing Institute of Brain Disorders, Laboratory of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China.
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Tian W, Niu X, Feng F, Wang X, Wang J, Yao W, Zhang P. The promising roles of exosomal microRNAs in osteosarcoma: A new insight into the clinical therapy. Biomed Pharmacother 2023; 163:114771. [PMID: 37119740 DOI: 10.1016/j.biopha.2023.114771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/18/2023] [Accepted: 04/22/2023] [Indexed: 05/01/2023] Open
Abstract
Osteosarcoma is the most common malignant bone sarcoma in children. Chemotherapy drugs resistance significantly hinders the overall survival of patients. Due to high biocompatibility and immunocompatibility, exosomes have been explored extensively. Multiple parent cells can actively secrete numerous exosomes, and the membrane structure of exosomes can protect miRNAs from degradation. Based on these characteristics, exosomal miRNAs play an important role in the occurrence, development, drug resistance. Therefore, in-depth exploration of exosome biogenesis and role of exosomal miRNAs will provide new strategies and targets for understanding the pathogenesis of osteosarcoma and overcoming chemotherapy drug resistance. Moreover, advancing evidences have showed that engineering modification could attribute stronger targeting to exosomes to deliver cargos to recipient cells more effectively. In this review, we focus on the mechanisms of exosomal miRNAs on the occurrence and development of osteosarcoma and the potential to function as tumor biomarkers for diagnosis and prognosis prediction. In addition, we also summarize recent advances in the clinical application values of engineering exosomes to provide novel ideas and directions for overcoming the chemotherapy resistance in osteosarcoma.
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Affiliation(s)
- Wen Tian
- Department of Bone and Soft Tissue Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China
| | - Xiaoying Niu
- Department of Bone and Soft Tissue Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China
| | - Feifei Feng
- Department of Toxicology, College of Public Health, Zhengzhou University, Henan 450001, China
| | - Xin Wang
- Department of Bone and Soft Tissue Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China
| | - Jiaqiang Wang
- Department of Bone and Soft Tissue Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China
| | - Weitao Yao
- Department of Bone and Soft Tissue Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China
| | - Peng Zhang
- Department of Bone and Soft Tissue Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China.
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Li L, Zhang X, Lin Y, Ren X, Xie T, Lin J, Wu S, Ye Q. Let-7b-5p inhibits breast cancer cell growth and metastasis via repression of hexokinase 2-mediated aerobic glycolysis. Cell Death Discov 2023; 9:114. [PMID: 37019900 PMCID: PMC10076263 DOI: 10.1038/s41420-023-01412-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/07/2023] Open
Abstract
Hexokinase 2 (HK2), a critical rate-limiting enzyme in the glycolytic pathway catalyzing hexose phosphorylation, is overexpressed in multiple human cancers and associated with poor clinicopathological features. Drugs targeting aerobic glycolysis regulators, including HK2, are in development. However, the physiological significance of HK2 inhibitors and mechanisms of HK2 inhibition in cancer cells remain largely unclear. Herein, we show that microRNA-let-7b-5p (let-7b-5p) represses HK2 expression by targeting its 3'-untranslated region. By suppressing HK2-mediated aerobic glycolysis, let-7b-5p restrains breast tumor growth and metastasis both in vitro and in vivo. In patients with breast cancer, let-7b-5p expression is significantly downregulated and is negatively correlated with HK2 expression. Our findings indicate that the let-7b-5p/HK2 axis plays a key role in aerobic glycolysis as well as breast tumor proliferation and metastasis, and targeting this axis is a potential therapeutic strategy for breast cancer.
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Affiliation(s)
- Ling Li
- Department of Cell Engineering, Beijing Institute of Biotechnology, Beijing, 100850, China
| | - Xiujuan Zhang
- Department of Cell Engineering, Beijing Institute of Biotechnology, Beijing, 100850, China
| | - Yanni Lin
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030000, China
| | - Xinxin Ren
- The second hospital of Shanxi Medical University, Taiyuan, 030001, China
- Department of Clinical Laboratory, The Fourth Medical Center of PLA General Hospital, Beijing, 100037, China
| | - Tian Xie
- Department of Cell Engineering, Beijing Institute of Biotechnology, Beijing, 100850, China
| | - Jing Lin
- Department of Clinical Laboratory, The Fourth Medical Center of PLA General Hospital, Beijing, 100037, China
| | - Shumeng Wu
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030000, China
| | - Qinong Ye
- Department of Cell Engineering, Beijing Institute of Biotechnology, Beijing, 100850, China.
- School of Basic Medicine, Shanxi Medical University, Taiyuan, 030000, China.
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Lai HT, Naumova N, Marchais A, Gaspar N, Geoerger B, Brenner C. Insight into the interplay between mitochondria-regulated cell death and energetic metabolism in osteosarcoma. Front Cell Dev Biol 2022; 10:948097. [PMID: 36072341 PMCID: PMC9441498 DOI: 10.3389/fcell.2022.948097] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 07/04/2022] [Indexed: 11/13/2022] Open
Abstract
Osteosarcoma (OS) is a pediatric malignant bone tumor that predominantly affects adolescent and young adults. It has high risk for relapse and over the last four decades no improvement of prognosis was achieved. It is therefore crucial to identify new drug candidates for OS treatment to combat drug resistance, limit relapse, and stop metastatic spread. Two acquired hallmarks of cancer cells, mitochondria-related regulated cell death (RCD) and metabolism are intimately connected. Both have been shown to be dysregulated in OS, making them attractive targets for novel treatment. Promising OS treatment strategies focus on promoting RCD by targeting key molecular actors in metabolic reprogramming. The exact interplay in OS, however, has not been systematically analyzed. We therefore review these aspects by synthesizing current knowledge in apoptosis, ferroptosis, necroptosis, pyroptosis, and autophagy in OS. Additionally, we outline an overview of mitochondrial function and metabolic profiles in different preclinical OS models. Finally, we discuss the mechanism of action of two novel molecule combinations currently investigated in active clinical trials: metformin and the combination of ADI-PEG20, Docetaxel and Gemcitabine.
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Affiliation(s)
- Hong Toan Lai
- CNRS, Institut Gustave Roussy, Aspects métaboliques et systémiques de l’oncogénèse pour de nouvelles approches thérapeutiques, Université Paris-Saclay, Villejuif, France
| | - Nataliia Naumova
- CNRS, Institut Gustave Roussy, Aspects métaboliques et systémiques de l’oncogénèse pour de nouvelles approches thérapeutiques, Université Paris-Saclay, Villejuif, France
| | - Antonin Marchais
- INSERM U1015, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Villejuif, France
| | - Nathalie Gaspar
- INSERM U1015, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Villejuif, France
| | - Birgit Geoerger
- INSERM U1015, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Villejuif, France
| | - Catherine Brenner
- CNRS, Institut Gustave Roussy, Aspects métaboliques et systémiques de l’oncogénèse pour de nouvelles approches thérapeutiques, Université Paris-Saclay, Villejuif, France
- *Correspondence: Catherine Brenner,
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Feng Z, Ou Y, Hao L. The roles of glycolysis in osteosarcoma. Front Pharmacol 2022; 13:950886. [PMID: 36059961 PMCID: PMC9428632 DOI: 10.3389/fphar.2022.950886] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 07/25/2022] [Indexed: 12/02/2022] Open
Abstract
Metabolic reprogramming is of great significance in the progression of various cancers and is critical for cancer progression, diagnosis, and treatment. Cellular metabolic pathways mainly include glycolysis, fat metabolism, glutamine decomposition, and oxidative phosphorylation. In cancer cells, reprogramming metabolic pathways is used to meet the massive energy requirement for tumorigenesis and development. Metabolisms are also altered in malignant osteosarcoma (OS) cells. Among reprogrammed metabolisms, alterations in aerobic glycolysis are key to the massive biosynthesis and energy demands of OS cells to sustain their growth and metastasis. Numerous studies have demonstrated that compared to normal cells, glycolysis in OS cells under aerobic conditions is substantially enhanced to promote malignant behaviors such as proliferation, invasion, metastasis, and drug resistance of OS. Glycolysis in OS is closely related to various oncogenes and tumor suppressor genes, and numerous signaling pathways have been reported to be involved in the regulation of glycolysis. In recent years, a vast number of inhibitors and natural products have been discovered to inhibit OS progression by targeting glycolysis-related proteins. These potential inhibitors and natural products may be ideal candidates for the treatment of osteosarcoma following hundreds of preclinical and clinical trials. In this article, we explore key pathways, glycolysis enzymes, non-coding RNAs, inhibitors, and natural products regulating aerobic glycolysis in OS cells to gain a deeper understanding of the relationship between glycolysis and the progression of OS and discover novel therapeutic approaches targeting glycolytic metabolism in OS.
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Zhu Y, Wang Z, Liang Z, Xu S, Teng Y, Li X, Zeng Y. LncRNA4474 inhibits renal fibrosis by regulating hepatocyte nuclear factor-1β through miR-615 modulation. Cell Cycle 2022; 21:1233-1248. [PMID: 35230916 PMCID: PMC9132390 DOI: 10.1080/15384101.2022.2046982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) are involved in the development and progression of renal fibrosis. lncRNAs can regulate target messenger RNAs (mRNAs) by competitively binding to miRNAs. However, research on lncRNA-miRNA-mRNA interactions remains inadequate. Therefore, the aim of the present study was to investigate the possible function of lncRNA-miRNA-mRNA interactions in chronic renal fibrosis. The relationships among the expression levels of lncRNA4474, miR-615, and hepatocyte nuclear factor-1β (HNF-1β) mRNAs were determined through RNA sequencing. The biological roles of lncRNA4474, miR-615, and HNF-1β in renal fibrosis were investigated with gain-of-function and loss-of-function experiments. Results showed that miR-615 expression increased in unilateral ureteral obstruction rats, accompanied by decreased lncRNA4474 and HNF-1β mRNA expression. The overexpression of HNF-1β attenuated the development of chronic renal fibrosis, whereas HNF-1β knockdown promoted the development. Increase in HNF-1β expression downregulated and upregulated the expression levels of miR-615 and lncRNA4474, respectively, thereby attenuating renal fibrosis progression. Furthermore, lncRNA4474 promoted the expression of HNF-1β by inhibiting miR-615 expression, whereas miR-615 regulated the expression of HNF-1β and thus activated the Wnt signaling pathway. This study demonstrated that the overexpression of lncRNA4474 may attenuate fibrosis progression, accompanied by the downregulation of miR-615 and upregulation of HNF-1β. Hence, this study provides novel information that can be useful in the early diagnosis and treatment of renal fibrosis.
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Affiliation(s)
- Yun Zhu
- Department of Dermatology and Venereology, The 6th Affiliated Hospital of Kunming Medical University, Yuxi, Yunnan, China
| | - Zhenyu Wang
- Biomedical Engineering Research Center, Kunming Medical University, Kunming, Yunnan, China
| | - Zuohui Liang
- Department of Dermatology and Venereology, The 6th Affiliated Hospital of Kunming Medical University, Yuxi, Yunnan, China
| | - Shuangyan Xu
- Department of Dermatology and Venereology, The 6th Affiliated Hospital of Kunming Medical University, Yuxi, Yunnan, China
| | - Yirong Teng
- Department of Dermatology and Venereology, The 6th Affiliated Hospital of Kunming Medical University, Yuxi, Yunnan, China
| | - Xiaolan Li
- Department of Dermatology and Venereology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China,CONTACT Xiaolan LiThe Second Affiliated Hospital of Kunming Medical University, No. 374 Dianmian Road, Kunming, Yunnan650101, China
| | - Yong Zeng
- Department of Dermatology and Venereology, The 6th Affiliated Hospital of Kunming Medical University, Yuxi, Yunnan, China,Yong Zeng the 6th Affiliated Hospital of Kunming Medical University, No. 21 Nieer Road, Yuxi, 653100 China
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Apigenin Suppresses the Warburg Effect and Stem-like Properties in SOSP-9607 Cells by Inactivating the PI3K/Akt/mTOR Signaling Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:3983637. [PMID: 35310040 PMCID: PMC8926538 DOI: 10.1155/2022/3983637] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 12/09/2021] [Accepted: 02/02/2022] [Indexed: 12/22/2022]
Abstract
Osteosarcoma (OS) is a prevalent primary malignant bone tumor that commonly occurs in children and adolescents. Apigenin (4′,5,7-trihydroxyflavone) is one of the most researched phenolic compounds that exhibits antitumor effects in several cancers. The aim of the current study was to investigate the effect and underlying mechanisms of apigenin on OS. To address this, OS cells (SOSP-9607) were treated with different concentrations of apigenin. The proliferation, migration, invasion, stem-like properties, and Warburg effect of apigenin-treated OS cells were evaluated. Apigenin was found to suppress the proliferation of SOSP-9607 cells and inhibit epithelial-mesenchymal transition, as indicated by decreased number of migrated and invaded cells, decreased protein expression of vimentin, and increased protein expression of E-cadherin. Additionally, apigenin suppressed tumorsphere formation and reduced the proportion of SOSP-9607 cells with positive expression of the stem cell-related markers Nanog and OCT-4. Apigenin inhibited the Warburg effect in SOSP-9607 cells, as demonstrated by decreased glucose and lactic acid levels, increased citrate and ATP levels, and downregulation of GLUT1, HK1, and LDHA, which are metabolism-related enzymes related to the Warburg effect. Moreover, apigenin inhibited the phosphorylation of PI3K, Akt, and mTOR in SOSP-9607 cells. Collectively, these results indicate that apigenin suppresses the Warburg effect and stem-like properties in SOSP-9607 cells, which may be mediated by PI3K/Akt/mTOR signaling, thus, providing a novel strategy for OS treatment.
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The Correlation of HK2 Gene Expression with the Occurrence, Immune Cell Infiltration, and Prognosis of Renal Cell Carcinoma. DISEASE MARKERS 2022; 2022:1452861. [PMID: 35265223 PMCID: PMC8898847 DOI: 10.1155/2022/1452861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/26/2022] [Accepted: 02/01/2022] [Indexed: 11/29/2022]
Abstract
Objectives Hexokinase 2 (HK2) is one of the key factors involved in the development of several human cancers. However, its role in immune cell infiltration (ICI) and tumor development in renal cell carcinoma is not yet known. Thus, we aimed to explore its relationship with ICI, overall survival, and prognosis of renal cell carcinoma. Methods In this study, RNA-seq data from renal cancer and normal tissues were extracted from TCGA and the relationship between HK2 expression and pathological features of RCC patients was analyzed using the GEPIA and UALCAN databases. Subsequently, Western blot and qRT-PCR were performed to analyze the protein and mRNA expression of HK2 in renal cell carcinoma tissues and cell lines. Lastly, various bioinformatics tools were applied to determine the immune cell infiltration, survival, and developing prediction model. Results The analysis of RNA-seq data revealed a high expression of HK2 in renal cell carcinoma; furthermore, Western blot and qRT-PCR also showed high expression of HK2 in renal cancer tissues and cell lines. The high expression of HK2 showed a significant positive correlation with the advanced stage of the tumor, lymph node metastasis, and worst survival in renal carcinoma patients. The high expression of HK2 was further identified as an independent risk factor of RCC patients; it also showed a significant positive immune cell infiltration RCC tumor microenvironment including macrophages, B cells, neutrophils, dendritic cells, and CD8+ T cells. Conclusion the expression of HK2 is positively correlated with the immune cell infiltration and prognosis of renal cell carcinoma patients, thus playing an important role in renal cancer development.
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Ren F, Li B, Wang C, Wang Y, Cui B. Iodine-125 seed represses the growth and facilitates the apoptosis of colorectal cancer cells by suppressing the methylation of miR-615 promoter. BMC Cancer 2022; 22:49. [PMID: 34998382 PMCID: PMC8742920 DOI: 10.1186/s12885-021-09141-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 12/21/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Colorectal cancer (CRC) represents a common malignancy in gastrointestinal tract. Iodine-125 (125I) seed implantation is an emerging treatment technology for unresectable tumors. This study investigated the mechanism of 125I seed in the function of CRC cells. METHODS The CRC cells were irradiated with different doses of 125I seed (0.4, 0.6 and 0.8 mCi). miR-615 expression in CRC tissues and adjacent tissues was detected by RT-qPCR. miR-615 expression was intervened with miR-615 mimic or miR-615 inhibitor, and then the CRC cells were treated with 5-AZA (methylation inhibitor). The CRC cell growth, invasion and apoptosis were measured. The methylation level of miR-615 promoter region was detected. The xenograft tumor model irradiated by 125I seed was established in nude mice. The methylation of miR-615, Ki67 expression and CRC cell apoptosis were detected. RESULTS 125I seed irradiation repressed the growth and facilitated apoptosis of CRC cells in a dose-dependent manner. Compared with adjacent tissues, miR-615 expression in CRC tissues was downregulated and miR-615 was poorly expressed in CRC cells. Overexpression of miR-615 suppressed the growth of CRC cells. 125I seed-irradiated CRC cells showed increased miR-615 expression, reduced growth rate and enhanced apoptosis. The methylation level of miR-615 promoter region in CRC cells was decreased after 125I seed treatment. In vivo experiments confirmed that 125I seed-irradiated xenograft tumors showed reduced methylation of the miR-615 promoter and increased miR-615 expression, as well as decreased Ki67 expression and enhanced apoptosis. The target genes of miR-615 and its regulatory downstream pathway were further predicted by bioinformatics analysis. CONCLUSIONS 125I seed repressed the growth and facilitated the apoptosis of CRC cells by suppressing the methylation of the miR-615 promoter and thus activating miR-615 expression. The possible mechanism was that miR-615-5p targeted MAPK13, thus affecting the MAPK pathway and the progression of CRC.
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Affiliation(s)
- Fenghai Ren
- Department of Thoracic Surgery, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Baojun Li
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Chao Wang
- Department of Prenatal Diagnosis, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, 150081, Heilongjiang, China
| | - Yanbo Wang
- Department of Thoracic Surgery, Harbin Medical University Cancer Hospital, Harbin, 150081, Heilongjiang, China
| | - Binbin Cui
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin, 150081, Heilongjiang, China.
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Hu Y, Bai J, Zhou D, Zhang L, Chen X, Chen L, Liu Y, Zhang B, Li H, Yin C. The miR-4732-5p/XPR1 axis suppresses invasion, metastasis and epithelial-mesenchymal transition of lung adenocarcinoma by PI3K/Akt/GSK3β/Snail pathway. Mol Omics 2022; 18:417-429. [DOI: 10.1039/d1mo00245g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
With the development in research, the importance of microRNAs (miRNAs) in the occurrence, metastasis, and prognosis of lung adenocarcinoma (LUAD) had received extensive attention. The aim of this study was...
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Zhou Z, Liu T, Li Z, Wang L. Circ_0003732 promotes osteosarcoma progression through regulating miR-377-3p/CPEB1 axis and Wnt/β-catenin signaling pathway. Anticancer Drugs 2022; 33:e299-e310. [PMID: 34407049 DOI: 10.1097/cad.0000000000001206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Osteosarcoma is a prevalent malignant bone cancer. This study aimed to explore the biologic role and potential mechanism of circ_0003732 in osteosarcoma carcinogenesis. Quantitative real-time PCR was implemented to detect the RNA expression of circ_0003732, microRNA-377-3p (miR-377-3p) and cytoplasmic polyadenylation element-binding protein 1 (CPEB1). Cell proliferation was evaluated by cell counting kit-8 assay and colony formation assay. Transwell, wound healing and flow cytometry assays were employed to assess cell migration, invasion and apoptosis. In addition, the interaction between miR-377-3p and circ_0003732 or CPEB1 was validated by dual-luciferase reporter assay. The protein expression was detected by western blot assay or immunohistochemistry assay. Xenograft tumor assay was performed to explore the regulation of circ_0003732 on osteosarcoma tumor growth in vivo. Circ_0003732 was upregulated in osteosarcoma tissues and cells. Knockdown of circ_0003732 suppressed osteosarcoma cell proliferation, migration, invasion and triggered cell apoptosis in vitro, as well as reduced osteosarcoma tumor growth in vivo. Meanwhile, miR-377-3p could bind to circ_0003732 and CPEB1 and miR-377-3p inhibitor could reverse the effects of circ_0003732 silence on osteosarcoma cell progression. Furthermore, CPEB1 overexpression could overturn the suppressive impacts of miR-377-3p on osteosarcoma progression. In addition, circ_0003732 silence restrained Wnt/β-catenin signaling pathway via regulating miR-377-3p in osteosarcoma cells. Circ_0003732 might play a positive role in the malignant progression of osteosarcoma by regulating the miR-377-3p/CPEB1 axis and activating the Wnt/β-catenin signaling pathway, which might provide new insights for osteosarcoma therapy.
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Affiliation(s)
- Zheng Zhou
- Department Of Orthopedics, The Second Xiangya Hospital Of Central South University, China
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