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Yi H, Liu L, Zhang J, Guo K, Cao Y, Sun P, Wang H. GALNT2 targeted by miR-139-5p promotes proliferation of clear cell renal cell carcinoma via inhibition of LATS2 activation. Discov Oncol 2024; 15:73. [PMID: 38478152 PMCID: PMC10937861 DOI: 10.1007/s12672-024-00930-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 03/08/2024] [Indexed: 03/17/2024] Open
Abstract
Polypeptide N-Acetylgalactosaminyltransferase (GALNTs) are critical enzymes that initiate mucin type-O glycosylation, and are closely associated with the occurrence and development of multiple cancers. However, the significance of GALNT2 in clear cell renal cell carcinoma (ccRCC) progression remains largely undetermined. Based on public multi-omics analysis, GALNT2 was strongly elevated in ccRCC versus adjoining nontumor tissues, and it displayed a relationship with poor overall survival (OS) of ccRCC patients. In addition, GALNT2 over-expression accelerated proliferation of renal cancer cell (RCC) lines. In contrast, GALNT2 knockdown using shRNAs suppressed cell proliferation, and this was rescued by LATS2 knockdown. Similarly, GALNT2 deficiency enhanced p-LATS2/LATS2 expression. LATS2 is activated by phosphorylation (p-LATS2) and, in turn, phosphorylate the downstream substrate protein YAP. Phosphorylated YAP (p-YAP) stimulated its degradation and cytoplasmic retention, as it was unable to translocate to the nucleus. This resulted in reduced cell proliferation. Subsequently, we explored the upstream miRNAs of GALNT2. Using dual luciferase reporter assay, we revealed that miR-139-5p interacted with the 3' UTR of GALNT2. Low miR-139-5p expression was associated with worse ccRCC patient outcome. Based on our experiments, miR-139-5p overexpression inhibited RCC proliferation, and this phenotype was rescued by GALNT2 overexpression. Given these evidences, the miR-139-5p-GALNT2-LATS2 axis is critical for RCC proliferation, and it is an excellent candidate for a new therapeutic target in ccRCC.
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Affiliation(s)
- Haisheng Yi
- Department of Andrology, The First Hospital of Jilin University, Changchun, 130012, China
| | - Lingyun Liu
- Department of Andrology, The First Hospital of Jilin University, Changchun, 130012, China
| | - Jingshun Zhang
- Reproductive Medical Center, Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, 130041, China
| | - Kaimin Guo
- Department of Andrology, The First Hospital of Jilin University, Changchun, 130012, China
| | - Yin Cao
- Department of Andrology, The First Hospital of Jilin University, Changchun, 130012, China
| | - Penghao Sun
- Department of Andrology, The First Hospital of Jilin University, Changchun, 130012, China
| | - Hongliang Wang
- Department of Andrology, The First Hospital of Jilin University, Changchun, 130012, China.
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2
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Dong X, Leng Y, Tian T, Hu Q, Chen S, Liu Y, Shen L. GALNT2, an O-glycosylating enzyme, is a critical regulator of radioresistance of non-small cell lung cancer: evidence from an integrated multi-omics analysis. Cell Biol Toxicol 2023; 39:3159-3174. [PMID: 37597090 DOI: 10.1007/s10565-023-09825-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 08/13/2023] [Indexed: 08/21/2023]
Abstract
Radioresistance is the primary reason for radiotherapy failure in non-small cell lung cancer (NSCLC) patients. Glycosylation-related alterations are critically involved in tumor radioresistance. However, the relationship between glycosylation and NSCLC radioresistance is unclear. Here, we generated radioresistant NSCLC cell models by using fractionated irradiation. The aberrant glycosylation involved in NSCLC-related radioresistance was elucidated by transcriptomic, proteomic, and glycomic analyses. We conducted in vitro and in vivo investigations for determining the biological functions of glycosylation. Additionally, its downstream pathways and upstream regulators were inferred and verified. We demonstrated that mucin-type O-glycosylation and the O-glycosylating enzyme GALNT2 were highly expressed in radioresistant NSCLC cells. GALNT2 was found to be elevated in NSCLC tissues; this elevated level showed a remarkable association with response to radiotherapy treatment as well as overall survival. Functional experiments showed that GALNT2 knockdown improved NSCLC radiosensitivity via inducing apoptosis. By using a lectin pull-down system, we revealed that mucin-type O-glycans on IGF1R were modified by GALNT2 and that IGF1R could affect the expression of apoptosis-related genes. Moreover, GALNT2 knockdown-mediated in vitro radiosensitization was enhanced by IGF1R inhibition. According to a miRNA array analysis and a luciferase reporter assay, miR-30a-5p negatively modulated GALNT2. In summary, our findings established GALNT2 as a key contributor to the radioresistance of NSCLC. Therefore, targeting GALNT2 may be a promising therapeutic strategy for NSCLC.
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Affiliation(s)
- Xiaoxia Dong
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, 442000, Hubei, China
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei, China
| | - Yahui Leng
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei, China
| | - Tian Tian
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei, China
| | - Qing Hu
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei, China
| | - Shuang Chen
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei, China
| | - Yufeng Liu
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei, China
| | - Li Shen
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, 442000, Hubei, China.
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei, China.
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Pienkowski T, Kowalczyk T, Cysewski D, Kretowski A, Ciborowski M. Glioma and post-translational modifications: A complex relationship. Biochim Biophys Acta Rev Cancer 2023; 1878:189009. [PMID: 37913943 DOI: 10.1016/j.bbcan.2023.189009] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 10/17/2023] [Accepted: 10/17/2023] [Indexed: 11/03/2023]
Abstract
Post-translational modifications (PTMs) are common covalent processes in biochemical pathways that alter protein function and activity. These modifications occur through proteolytic cleavage or attachment of modifying groups, such as phosphoryl, methyl, glycosyl, or acetyl groups, with one or more amino acid residues of a single protein. Some PTMs also present crosstalk abilities that affect both protein functionality and structure, creating new proteoforms. Any alteration in organism homeostasis may be a cancer hallmark. Cataloging PTMs and consequently, emerging proteoforms, present new therapeutic targets, approaches, and opportunities to discover additional discriminatory biomarkers in disease diagnostics. In this review, we focus on experimentally confirmed PTMs and their potential crosstalk in glioma research to introduce new opportunities for this tumor type, which emerge within the PTMomics area.
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Affiliation(s)
- Tomasz Pienkowski
- Clinical Research Centre, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Tomasz Kowalczyk
- Clinical Research Centre, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland; Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Mickiewicza 2C, 15-222 Bialystok, Poland
| | - Dominik Cysewski
- Clinical Research Centre, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Adam Kretowski
- Clinical Research Centre, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland; Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland
| | - Michal Ciborowski
- Clinical Research Centre, Medical University of Bialystok, M. Sklodowskiej-Curie 24a, 15-276 Bialystok, Poland.
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Zhang Q, Jiang Q, Sa K, Liang J, Sun D, Li H, Chen L. Research progress of plant-derived natural alkaloids in central nervous system diseases. Phytother Res 2023; 37:4885-4907. [PMID: 37455555 DOI: 10.1002/ptr.7955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 05/14/2023] [Accepted: 06/30/2023] [Indexed: 07/18/2023]
Abstract
Central nervous system (CNS) disease is one of the most important causes of human death. Because of their complex pathogenesis, more and more attention has been paid to them. At present, drug treatment of the CNS is the main means; however, most drugs only relieve symptoms, and some have certain toxicity and side effects. Natural compounds derived from plants can provide safer and more effective alternatives. Alkaloids are common nitrogenous basic organic compounds found in nature, which exist widely in many kinds of plants and have unique application value in modern medicine. For example, Galantamine and Huperzine A from medicinal plants are widely used drugs on the market to treat Alzheimer's disease. Therefore, the main purpose of this review is to provide the available information on natural alkaloids with the activity of treating central nervous system diseases in order to explore the trends and perspectives for the further study of central nervous system drugs. In this paper, 120 alkaloids with the potential effect of treating central nervous system diseases are summarized from the aspects of sources, structure types, mechanism of action and structure-activity relationship.
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Affiliation(s)
- Qingqing Zhang
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Qinghua Jiang
- Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang, China
| | - Kuiru Sa
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Junming Liang
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Dejuan Sun
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
| | - Hua Li
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Lixia Chen
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, China
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Mo X, Wang N, He Z, Kang W, Wang L, Han X, Yang L. The sub-molecular characterization identification for cervical cancer. Heliyon 2023; 9:e16873. [PMID: 37484385 PMCID: PMC10360967 DOI: 10.1016/j.heliyon.2023.e16873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/28/2023] [Accepted: 05/31/2023] [Indexed: 07/25/2023] Open
Abstract
Background The efficacy of therapy in cervical cancer (CESC) is blocked by high molecular heterogeneity. Thus, the sub-molecular characterization remains primarily explored for personalizing the treatment of CESC patients. Methods Datasets with 741 CESC patients were obtained from TCGA and GEO databases. The NMF algorithm, random forest algorithm, and multivariate Cox analysis were utilized to construct a classifier for defining the sub-molecular characterization. Then, the biological characteristics, genomic variations, prognosis, and immune landscape in molecular subtypes were explored. The significance of classifier genes was validated by quantitative Real-Time PCR, cell transfection, cell colony formation assay, wound healing assay, cell proliferation assay, and Western blot. Results The CESC patients were classified into two subtypes, and the high classifier-score patients with significant differences in ECM-receptor interaction, PI3K-Akt signaling pathway, and MAPK signaling pathway showed a poorer prognosis in OS (p < 0.001), DFI (p = 0.016), PFI (p < 0.001) and DSS (p < 0.001), and with high the M0 Macrophage and resting Mast cells infiltration and low HLA family gene expression. Moreover, the constructed classifier owns a high identified accuracy in the tumor/normal groups (AUC: 0.993), the tumor/CIN1-CIN3 groups (AUC: 0.963), and normal/CIN1-CIN3 groups (AUC: 0.962), and the total prediction performance is better than currently published signatures in CESC (C-index: 0,763). The combined prediction performance further indicated that Nomogram (AUC = 0.837) is superior to the classifier (AUC = 0.835) and Stage (AUC = 0.568), and the C-index of calibration curves is 0.784. The potential biological function of classifier genes indicated that silencing GALNT2 inhibited the cancer cell's proliferation, migration, and colony formation; Conversely, the cancer cell's proliferation, migration, and colony formation were increased after the upregulation of GALNT2. The Epithelial-Mesenchymal Transition Experiment showed that GALNT2 knockdown might reduce the levels of Snail and Vimentin proteins and increase E-cadherin; Conversely, the levels of Snail and Vimentin proteins were increased, E-cadherin was reduced by GALNT2 upregulation. Conclusion The classifier we constructed may help improve our understanding of subtype characteristics and provide a new strategy for developing CESC therapeutics. Remarkably, GALNT2 may be an option to directly target drivers in CESC cancer therapy.
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Affiliation(s)
- XinKai Mo
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, Shandong, PR China
| | - Na Wang
- Department of Medical Laboratory Science, Xinjiang Bayingoleng Mongolian Autonomous Prefecture People's Hospital, Xinjiang, China
| | - Zanjing He
- Department of Medical Laboratory Science, Xinjiang Bayingoleng Mongolian Autonomous Prefecture People's Hospital, Xinjiang, China
| | - Wenjun Kang
- Department of Medical Laboratory Science, Xinjiang Bayingoleng Mongolian Autonomous Prefecture People's Hospital, Xinjiang, China
| | - Lu Wang
- Department of Medical Laboratory Science, Xinjiang Bayingoleng Mongolian Autonomous Prefecture People's Hospital, Xinjiang, China
| | - Xia Han
- Department of Medical Laboratory Science, Xinjiang Bayingoleng Mongolian Autonomous Prefecture People's Hospital, Xinjiang, China
| | - Liu Yang
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan 250117, Shandong, PR China
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Yue J, Huang R, Lan Z, Xiao B, Luo Z. Abnormal glycosylation in glioma: related changes in biology, biomarkers and targeted therapy. Biomark Res 2023; 11:54. [PMID: 37231524 DOI: 10.1186/s40364-023-00491-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 04/26/2023] [Indexed: 05/27/2023] Open
Abstract
Glioma is a rapidly growing and aggressive primary malignant tumor of the central nervous system that can diffusely invade the brain tissue around, and the prognosis of patients is not significantly improved by traditional treatments. One of the most general posttranslational modifications of proteins is glycosylation, and the abnormal distribution of this modification in gliomas may shed light on how it affects biological behaviors of glioma cells, including proliferation, migration, and invasion, which may be produced by regulating protein function, cell-matrix and cell‒cell interactions, and affecting receptor downstream pathways. In this paper, from the perspective of regulating protein glycosylation changes and abnormal expression of glycosylation-related proteins (such as glycosyltransferases in gliomas), we summarize how glycosylation may play a crucial role in the discovery of novel biomarkers and new targeted treatment options for gliomas. Overall, the mechanistic basis of abnormal glycosylation affecting glioma progression remains to be more widely and deeply explored, which not only helps to inspire researchers to further explore related diagnostic and prognostic markers but also provides ideas for discovering effective treatment strategies and improving glioma patient survival and prognosis.
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Affiliation(s)
- Juan Yue
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya road of Kaifu district, 410008, Changsha, Hunan, China
| | - Roujie Huang
- Department of Obstetrics and Gynecology, Peking Union Medical College, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Shuaifuyuan No. 1, Dongcheng District, 100730, Beijing, China
| | - Zehao Lan
- Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Bo Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya road of Kaifu district, 410008, Changsha, Hunan, China
- Clinical Research Center for Epileptic disease of Hunan Province, Central South University, 410008, Changsha, Hunan, P.R. China
| | - Zhaohui Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, 87 Xiangya road of Kaifu district, 410008, Changsha, Hunan, China.
- Clinical Research Center for Epileptic disease of Hunan Province, Central South University, 410008, Changsha, Hunan, P.R. China.
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7
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Wu X, Wang H, Li S, Luo H, Liu F. Mining glycosylation-related prognostic lncRNAs and constructing a prognostic model for overall survival prediction in glioma: A study based on bioinformatics analysis. Medicine (Baltimore) 2023; 102:e33569. [PMID: 37145002 PMCID: PMC10158895 DOI: 10.1097/md.0000000000033569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 03/29/2023] [Indexed: 05/06/2023] Open
Abstract
Dysregulation of protein glycosylation plays a crucial role in the development of glioma. Long noncoding RNA (lncRNAs), functional RNA molecules without protein-coding ability, regulate gene expression and participate in malignant glioma progression. However, it remains unclear how lncRNAs are involved in glycosylation glioma malignancy. Identification of prognostic glycosylation-related lncRNAs in gliomas is necessary. We collected RNA-seq data and clinicopathological information of glioma patients from the cancer genome atlas and Chinese glioma genome atlas. We used the "limma" package to explore glycosylation-related gene and screened related lncRNAs from abnormally glycosylated genes. Using univariate Cox analyses Regression and least absolute shrinkage and selection operator analyses, we constructed a risk signature with 7 glycosylation-related lncRNAs. Based on the median risk score (RS), patients with gliomas were divided into low- and high-risk subgroups with different overall survival rates. Univariate and multivariate Cox analyses regression analyses were performed to assess the independent prognostic ability of the RS. Twenty glycosylation-related lncRNAs were identified by univariate Cox regression analyses. Two glioma subgroups were identified using consistent protein clustering, with the prognosis of the former being better than that of the latter. Least absolute shrinkage and selection operator analysis identified 7 survival RSs for glycosylation-related lncRNAs, which were identified as independent prognostic markers and predictors of glioma clinicopathological features. Glycosylation-related lncRNAs play an important role in the malignant development of gliomas and may help guide treatment options.
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Affiliation(s)
- Xiang Wu
- Department of Neurosurgery, Jiangxi Provincial Children’s Hospital, Nanchang, China
- Institute of Neuroscience, Nanchang University, Nanchang, China
| | - Haiyan Wang
- Institute of Neuroscience, Nanchang University, Nanchang, China
- Department of Operation, The Second Affiliated Hospital of Nanchang University
| | - Shiqi Li
- Institute of Neuroscience, Nanchang University, Nanchang, China
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Haitao Luo
- Institute of Neuroscience, Nanchang University, Nanchang, China
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Feng Liu
- Department of Neurosurgery, Jiangxi Provincial Children’s Hospital, Nanchang, China
- Institute of Neuroscience, Nanchang University, Nanchang, China
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XU JINGYAO, HAO SHUANGLI, HAN KAIYUE, YANG WANXI, DENG HONG. How is the AKT/mTOR pathway involved in cell migration and invasion? BIOCELL 2023. [DOI: 10.32604/biocell.2023.026618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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Liao Y, Chuang Y, Lin H, Lin N, Hsu T, Hsieh S, Chen S, Hung J, Yang H, Liang J, Huang M, Huang J. GALNT2 promotes invasiveness of colorectal cancer cells partly through AXL. Mol Oncol 2022; 17:119-133. [PMID: 36409270 PMCID: PMC9812829 DOI: 10.1002/1878-0261.13347] [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: 05/26/2022] [Revised: 09/29/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022] Open
Abstract
GalNAc-type O-glycosylation and its initiating GalNAc transferases (GALNTs) play crucial roles in a wide range of cellular behaviors. Among 20 GALNT members, GALNT2 is consistently associated with poor survival of patients with colorectal cancer in public databases. However, its clinicopathological significance in colorectal cancer remains unclear. In this study, immunohistochemistry showed that GALNT2 was overexpressed in colorectal tumors compared with the adjacent nontumor tissues. GALNT2 overexpression was associated with poor survival of colorectal cancer patients. Forced expression of GALNT2 promoted migration and invasion as well as peritoneal metastasis of colorectal cancer cells. In contrast, GALNT2 knockdown with siRNAs or knockout with CRISPR/Cas9 system suppressed these malignant properties. Interestingly, we found that GALNT2 modified O-glycans on AXL and determined AXL levels via the proteasome-dependent pathway. In addition, the GALNT2-promoted invasiveness was significantly reversed by AXL siRNAs. These findings suggest that GALNT2 promotes colorectal cancer invasion at least partly through AXL.
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Affiliation(s)
- Ying‐Yu Liao
- Graduate Institute of Anatomy and Cell Biology, College of MedicineNational Taiwan UniversityTaipeiTaiwan
| | - Ya‐Ting Chuang
- Department of Medical ResearchNational Taiwan University HospitalTaipeiTaiwan
| | - Hsuan‐Yu Lin
- Graduate Institute of Anatomy and Cell Biology, College of MedicineNational Taiwan UniversityTaipeiTaiwan
| | - Neng‐Yu Lin
- Graduate Institute of Anatomy and Cell Biology, College of MedicineNational Taiwan UniversityTaipeiTaiwan
| | - Tzu‐Wen Hsu
- Graduate Institute of Anatomy and Cell Biology, College of MedicineNational Taiwan UniversityTaipeiTaiwan
| | - Szu‐Chia Hsieh
- Graduate Institute of Anatomy and Cell Biology, College of MedicineNational Taiwan UniversityTaipeiTaiwan
| | - Syue‐Ting Chen
- Department of Anatomy, College of MedicineChang Gung UniversityTaoyuanTaiwan
| | - Ji‐Shiang Hung
- Department of SurgeryNational Taiwan University HospitalTaipeiTaiwan
| | | | - Jin‐Tung Liang
- Department of SurgeryNational Taiwan University HospitalTaipeiTaiwan
| | - Min‐Chuan Huang
- Graduate Institute of Anatomy and Cell Biology, College of MedicineNational Taiwan UniversityTaipeiTaiwan
| | - John Huang
- Department of SurgeryNational Taiwan University HospitalTaipeiTaiwan
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10
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Hu Q, Tian T, Leng Y, Tang Y, Chen S, Lv Y, Liang J, Liu Y, Liu T, Shen L, Dong X. The O-glycosylating enzyme GALNT2 acts as an oncogenic driver in non-small cell lung cancer. Cell Mol Biol Lett 2022; 27:71. [PMID: 36058918 PMCID: PMC9440866 DOI: 10.1186/s11658-022-00378-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 08/16/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND N-Acetylgalactosaminyltransferases (GALNTs), the enzymes that initiate mucin-type O-glycosylation, are closely associated with tumor occurrence and progression. However, a comprehensive analysis of GALNTs in non-small cell lung cancer (NSCLC) is lacking. METHODS The expression profiles and prognostic values of the GALNT family members in NSCLC were analyzed using publicly available databases. Gain- and loss-of-function experiments were applied to assess the biological function of GALNT2 in NSCLC. High-throughput sequencing and bioinformatics approaches were employed to uncover the regulatory mechanism of GALNT2. RESULTS Among the family members of GALNTs, only GALNT2 was frequently overexpressed in NSCLC tissues and was positively correlated with poor prognosis. In vitro assays showed that GALNT2 knockdown repressed NSCLC cell proliferation, migration, and invasion, but induced apoptosis and cell cycle arrest. Correspondently, GALNT2 overexpression exerted the opposite effects. In vivo experiments demonstrated that knockdown of GALNT2 restrained tumor formation in nude mice. Mechanistic investigations revealed that GALNT2 modified the O-glycosylation of ITGA5 and affected the activation of the PI3K/Akt and MAPK/ERK pathways. Further studies showed that miR-30d was a negative regulator of GALNT2. CONCLUSIONS These findings suggest that GALNT2 is an oncogene in NSCLC and has the potential as a target for NSCLC therapy.
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Affiliation(s)
- Qing Hu
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, 30 South Renmin Road, Shiyan, 442000, Hubei, China.,Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Tian Tian
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Yahui Leng
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Yuanhui Tang
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, 30 South Renmin Road, Shiyan, 442000, Hubei, China
| | - Shuang Chen
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Yueyao Lv
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Jingyin Liang
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Yanni Liu
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Tianhui Liu
- Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Li Shen
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, 30 South Renmin Road, Shiyan, 442000, Hubei, China. .,Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China.
| | - Xiaoxia Dong
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, 30 South Renmin Road, Shiyan, 442000, Hubei, China. .,Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China.
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11
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Zhou L, Wu H, Bai X, Min S, Zhang J, Li C. O-Glycosylating Enzyme GALNT2 Predicts Worse Prognosis in Cervical Cancer. Pathol Oncol Res 2022; 28:1610554. [PMID: 36110252 PMCID: PMC9469784 DOI: 10.3389/pore.2022.1610554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 07/21/2022] [Indexed: 11/15/2022]
Abstract
Identification of novel biomarkers is helpful for the diagnosis and treatment of cervical cancer. Mucin glycosylating enzyme GALNT2 modulates mucin O-glycosylation, and has been revealed as a regulator of tumorigenesis in various cancers. However, the expression pattern of GALNT2 in cervical cancer is still unclear. In this study, we demonstrated that the mRNA expression and protein level of GALNT2 were increased in cervical high-grade intraepithelial neoplasia and tumor tissues compared with normal cervix tissues. Kaplan-Meier plotter showed that overexpression of GALNT2 was associated with worse overall survival in TCGA cohort (p < 0.001, HR = 2.65, 95% CI = 1.62–4.34) and poor disease free survival in GSE44001 cohort (p = 0.0218, HR = 2.15, 95% CI = 1.14–4.06). In addition, GSEA analysis showed that various immune-related pathways were closely related to the expression of GALNT2 in cervical cancer. Moreover, co-expression of GALNT2 and IL1A, IL1B, IL11, CXCL1, CXCL2, CXCL5, CXCL6, CXCR1, or CCR3 predicted poor overall survival, and the expression of GALNT2 also affected the prognostic value of CD47, CD274, CD276, CSF1R, TNFSF9, and TNFSF11 in cervical cancer patients. These findings suggest that GALNT2 might be used as a prognostic biomarker in cervical cancer.
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Affiliation(s)
- Lixia Zhou
- Department of Obstetrics and Gynecology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Huiqin Wu
- Department of Obstetrics and Gynecology, Shanghai Songjiang District Maternal and Child Health Hospital, Shanghai, China
| | - Xingli Bai
- Department of Obstetrics and Gynecology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuyun Min
- Department of Obstetrics and Gynecology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiawen Zhang
- Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Jiawen Zhang, ; Cunli Li,
| | - Cunli Li
- Department of Obstetrics and Gynecology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Jiawen Zhang, ; Cunli Li,
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12
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Construction of Prognostic Risk Model of Patients with Skin Cutaneous Melanoma Based on TCGA-SKCM Methylation Cohort. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:4261329. [PMID: 36060650 PMCID: PMC9436567 DOI: 10.1155/2022/4261329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/13/2022] [Accepted: 07/23/2022] [Indexed: 11/17/2022]
Abstract
Skin cutaneous melanoma (SKCM) is a common malignant skin cancer. Early diagnosis could effectively reduce SKCM patient's mortality to a large extent. We managed to construct a model to examine the prognosis of SKCM patients. The methylation-related data and clinical data of The Cancer Gene Atlas- (TCGA-) SKCM were downloaded from TCGA database. After preprocessing the methylation data, 21,861 prognosis-related methylated sites potentially associated with prognosis were obtained using the univariate Cox regression analysis and multivariate Cox regression analysis. Afterward, unsupervised clustering was used to divide the patients into 4 clusters, and weighted correlation network analysis (WGCNA) was applied to construct coexpression modules. By overlapping the CpG sites between the clusters and turquoise model, a prognostic model was established by LASSO Cox regression and multivariate Cox regression. It was found that 9 methylated sites included cg01447831, cg14845689, cg20895058, cg06506470, cg09558315, cg06373660, cg17737409, cg21577036, and cg22337438. After constructing the prognostic model, the performance of the model was validated by survival analysis and receiver operating characteristic (ROC) curve, and the independence of the model was verified by univariate and multivariate regression. It was represented that the prognostic model was reliable, and riskscore could be used as an independent prognostic factor in SKCM patients. At last, we combined clinical data and patient's riskscore to establish and testify the nomogram that could determine patient's prognosis. The results found that the reliability of the nomogram was relatively good. All in all, we constructed a prognostic model that could determine the prognosis of SKCM patients and screened 9 key methylated sites through analyzing data in TCGA-SKCM dataset. Finally, a prognostic nomogram was established combined with clinical diagnosed information and riskscore. The results are significant for improving the prognosis of SKCM patients in the future.
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13
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Wu H, Wei M, Li Y, Ma Q, Zhang H. Research Progress on the Regulation Mechanism of Key Signal Pathways Affecting the Prognosis of Glioma. Front Mol Neurosci 2022; 15. [DOI: https:/doi.org/10.3389/fnmol.2022.910543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023] Open
Abstract
As is known to all, glioma, a global difficult problem, has a high malignant degree, high recurrence rate and poor prognosis. We analyzed and summarized signal pathway of the Hippo/YAP, PI3K/AKT/mTOR, miRNA, WNT/β-catenin, Notch, Hedgehog, TGF-β, TCS/mTORC1 signal pathway, JAK/STAT signal pathway, MAPK signaling pathway, the relationship between BBB and signal pathways and the mechanism of key enzymes in glioma. It is concluded that Yap1 inhibitor may become an effective target for the treatment of glioma in the near future through efforts of generation after generation. Inhibiting PI3K/Akt/mTOR, Shh, Wnt/β-Catenin, and HIF-1α can reduce the migration ability and drug resistance of tumor cells to improve the prognosis of glioma. The analysis shows that Notch1 and Sox2 have a positive feedback regulation mechanism, and Notch4 predicts the malignant degree of glioma. In this way, notch cannot only be treated for glioma stem cells in clinic, but also be used as an evaluation index to evaluate the prognosis, and provide an exploratory attempt for the direction of glioma treatment. MiRNA plays an important role in diagnosis, and in the treatment of glioma, VPS25, KCNQ1OT1, KB-1460A1.5, and CKAP4 are promising prognostic indicators and a potential therapeutic targets for glioma, meanwhile, Rheb is also a potent activator of Signaling cross-talk etc. It is believed that these studies will help us to have a deeper understanding of glioma, so that we will find new and better treatment schemes to gradually conquer the problem of glioma.
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14
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Wu H, Wei M, Li Y, Ma Q, Zhang H. Research Progress on the Regulation Mechanism of Key Signal Pathways Affecting the Prognosis of Glioma. Front Mol Neurosci 2022; 15:910543. [PMID: 35935338 PMCID: PMC9354928 DOI: 10.3389/fnmol.2022.910543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/30/2022] [Indexed: 11/17/2022] Open
Abstract
As is known to all, glioma, a global difficult problem, has a high malignant degree, high recurrence rate and poor prognosis. We analyzed and summarized signal pathway of the Hippo/YAP, PI3K/AKT/mTOR, miRNA, WNT/β-catenin, Notch, Hedgehog, TGF-β, TCS/mTORC1 signal pathway, JAK/STAT signal pathway, MAPK signaling pathway, the relationship between BBB and signal pathways and the mechanism of key enzymes in glioma. It is concluded that Yap1 inhibitor may become an effective target for the treatment of glioma in the near future through efforts of generation after generation. Inhibiting PI3K/Akt/mTOR, Shh, Wnt/β-Catenin, and HIF-1α can reduce the migration ability and drug resistance of tumor cells to improve the prognosis of glioma. The analysis shows that Notch1 and Sox2 have a positive feedback regulation mechanism, and Notch4 predicts the malignant degree of glioma. In this way, notch cannot only be treated for glioma stem cells in clinic, but also be used as an evaluation index to evaluate the prognosis, and provide an exploratory attempt for the direction of glioma treatment. MiRNA plays an important role in diagnosis, and in the treatment of glioma, VPS25, KCNQ1OT1, KB-1460A1.5, and CKAP4 are promising prognostic indicators and a potential therapeutic targets for glioma, meanwhile, Rheb is also a potent activator of Signaling cross-talk etc. It is believed that these studies will help us to have a deeper understanding of glioma, so that we will find new and better treatment schemes to gradually conquer the problem of glioma.
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Affiliation(s)
- Hao Wu
- Graduate School of Dalian Medical University, Dalian, China
- Department of Neurosurgery, The Yangzhou School of Clinical Medicine of Dalian Medical University, Dalian, China
| | - Min Wei
- Graduate School of Dalian Medical University, Dalian, China
- Department of Neurosurgery, The Yangzhou School of Clinical Medicine of Dalian Medical University, Dalian, China
| | - Yuping Li
- Department of Neurosurgery, The Yangzhou School of Clinical Medicine of Dalian Medical University, Dalian, China
| | - Qiang Ma
- Department of Neurosurgery, The Yangzhou School of Clinical Medicine of Dalian Medical University, Dalian, China
| | - Hengzhu Zhang
- Graduate School of Dalian Medical University, Dalian, China
- Department of Neurosurgery, The Yangzhou School of Clinical Medicine of Dalian Medical University, Dalian, China
- *Correspondence: Hengzhu Zhang,
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15
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Pu C, Biyuan, Xu K, Zhao Y. Glycosylation and its research progress in endometrial cancer. Clin Transl Oncol 2022; 24:1865-1880. [PMID: 35752750 PMCID: PMC9418304 DOI: 10.1007/s12094-022-02858-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 05/10/2022] [Indexed: 12/12/2022]
Abstract
Endometrial cancer (EC) is one of the most common tumors in the female reproductive system, which seriously threatens women's health, particularly in developed countries. 13% of the patients with EC have a poor prognosis due to recurrence and metastasis. Therefore, identifying good predictive biomarkers and therapeutic targets is critical to enable the early detection of metastasis and improve the prognosis. For decades, extensive studies had focused on glycans and glycoproteins in the progression of cancer. The types of glycans that are covalently attached to the polypeptide backbone, usually via nitrogen or oxygen linkages, are known as N‑glycans or O‑glycans, respectively. The degree of protein glycosylation and the aberrant changes in the carbohydrate structures have been implicated in the extent of tumorigenesis and reported to play a critical role in regulating tumor invasion, metabolism, and immunity. This review summarizes the essential biological role of glycosylation in EC, with a focus on the recent advances in glycomics and glycosylation markers, highlighting their implications in the diagnosis and treatment of EC.
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Affiliation(s)
- Congli Pu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Biyuan
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Kai Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Yingchao Zhao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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16
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Pi Y, Fang C, Su Z. Protein phosphorylation: A potential target in glioma development. IBRAIN 2022; 8:176-189. [PMID: 37786890 PMCID: PMC10529010 DOI: 10.1002/ibra.12038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 04/09/2022] [Accepted: 04/24/2022] [Indexed: 10/04/2023]
Abstract
Glioma is one of the most common primary brain tumors, and mortality due to this disease is second only to cardiovascular and cerebrovascular diseases. In traditional surgery, it is difficult to eradicate glioma; often recurrence increases its malignant degree, leading to a large number of patients killed by this disease. It is one of the most important subjects to study its pathogenesis and explore effective treatment methods. Research on glioma mechanisms mainly focuses on the effect of DNA methylation in epigenetics. Although there are many studies on protein phosphorylation, there is no overall regulatory mechanism. Protein phosphorylation regulates a variety of cell functions, such as cell growth, division and differentiation, and apoptosis. As a consequence, protein phosphorylation plays a leading part in various activities of glioma, and can also be used as a target to regulate the development of glioma. This review is aimed at studying the effect of protein phosphorylation on glioma, understanding the pathological mechanism, and an in-depth analysis of it. The following is a discussion on glioma growth, migration and invasion, resistance and death in phosphorylation, and the possibility of treating glioma by phosphorylation.
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Affiliation(s)
- Yu Pi
- Department of AnesthesiologySouthwest Medical UniversityLuzhouSichuanChina
| | - Chang‐Le Fang
- Department of AnesthesiologySouthwest Medical UniversityLuzhouSichuanChina
| | - Zhang‐Yu Su
- Department of AnesthesiologySouthwest Medical UniversityLuzhouSichuanChina
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17
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Glycosyltransferases in Cancer: Prognostic Biomarkers of Survival in Patient Cohorts and Impact on Malignancy in Experimental Models. Cancers (Basel) 2022; 14:cancers14092128. [PMID: 35565254 PMCID: PMC9100214 DOI: 10.3390/cancers14092128] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Glycosylation changes are a main feature of cancer. Some carbohydrate epitopes and expression levels of glycosyltransferases have been used or proposed as prognostic markers, while many experimental works have investigated the role of glycosyltransferases in malignancy. Using the transcriptomic data of the 21 TCGA cohorts, we correlated the expression level of 114 glycosyltransferases with the overall survival of patients. Methods: Using the Oncolnc website, we determined the Kaplan−Meier survival curves for the patients falling in the 15% upper or lower percentile of mRNA expression of each glycosyltransferase. Results: Seventeen glycosyltransferases involved in initial steps of N- or O-glycosylation and of glycolipid biosynthesis, in chain extension and sialylation were unequivocally associated with bad prognosis in a majority of cohorts. Four glycosyltransferases were associated with good prognosis. Other glycosyltransferases displayed an extremely high predictive value in only one or a few cohorts. The top were GALNT3, ALG6 and B3GNT7, which displayed a p < 1 × 10−9 in the low-grade glioma (LGG) cohort. Comparison with published experimental data points to ALG3, GALNT2, B4GALNT1, POFUT1, B4GALT5, B3GNT5 and ST3GAL2 as the most consistently malignancy-associated enzymes. Conclusions: We identified several cancer-associated glycosyltransferases as potential prognostic markers and therapeutic targets.
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18
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Zheng Y, Liang M, Wang B, Kang L, Yuan Y, Mao Y, Wang S. GALNT12 is associated with the malignancy of glioma and promotes glioblastoma multiforme in vitro by activating Akt signaling. Biochem Biophys Res Commun 2022; 610:99-106. [PMID: 35461073 DOI: 10.1016/j.bbrc.2022.04.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 04/11/2022] [Accepted: 04/11/2022] [Indexed: 12/15/2022]
Abstract
Abnormal expression of mucin-type O-glycosylation has been reported to be associated with a variety of human cancers including gliomas. However, little is known about its contribution to the malignancy of Glioblastoma Multiforme (GBM), the deadliest form of brain tumors. Here, we conducted a detailed analysis of the expression profiles of GALNT gene family, which encode polypeptide-N-acetyl-galactosaminyltransferases (GalNAc-Ts) and are responsible for initiating O-glycans, both in the Cancer Genome Atlas (TCGA) and in the Chinese Glioma Genome Atlas (CGGA) databases. We discovered that GALNT12 is the only member within the GALNT family, whose expression demonstrated significant correlation with a worse prognosis of GBM. Genetic knockdown (KD) and knockout (KO) of GALNT12 in U87 MG, a representative GBM cell line with high GALNT12 expression, confirmed that GALNT12 deficiency leads to decreased cell proliferation, migration and invasion. Mechanism study revealed that GALNT12 KD and KO decreased the level of epidermal growth factor (EGF) and consequently attenuated Akt signaling within the cell. In summary, our results indicated that GALNT12 facilitates the malignant characteristics of GBM by influencing the PI3K/Akt/mTOR axis and may serve as a novel prognosis biomarker and a potential therapeutic target of GBM.
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Affiliation(s)
- Yongjia Zheng
- School of Pharmaceutical Sciences, National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Sun Yat-sen University, Guangzhou, 510006, China
| | - Minting Liang
- School of Pharmaceutical Sciences, National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Sun Yat-sen University, Guangzhou, 510006, China
| | - Bowen Wang
- College of Life Science, Northwest University, Xi'an, 710127, China
| | - Li Kang
- School of Pharmaceutical Sciences, National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yanqiu Yuan
- School of Pharmaceutical Sciences, National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Drug Non-Clinical Evaluation and Research, Guangzhou, 510990, China
| | - Yang Mao
- School of Pharmaceutical Sciences, National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Drug Non-Clinical Evaluation and Research, Guangzhou, 510990, China.
| | - Shengjun Wang
- School of Pharmaceutical Sciences, National-Local Joint Engineering Laboratory of Druggability and New Drugs Evaluation, Sun Yat-sen University, Guangzhou, 510006, China; Guangdong Provincial Key Laboratory of Drug Non-Clinical Evaluation and Research, Guangzhou, 510990, China.
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19
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Herrgott GA, Asmaro KP, Wells M, Sabedot TS, Malta TM, Mosella MS, Nelson K, Scarpace L, Barnholtz-Sloan JS, Sloan AE, Selman WR, deCarvalho AC, Poisson LM, Mukherjee A, Robin AM, Lee IY, Snyder J, Walbert T, Rosenblum M, Mikkelsen T, Bhan A, Craig J, Kalkanis S, Rock J, Noushmehr H, Castro AV. Detection of Tumor-specific DNA Methylation Markers in the Blood of Patients with Pituitary Neuroendocrine Tumors. Neuro Oncol 2022; 24:1126-1139. [PMID: 35212383 PMCID: PMC9248407 DOI: 10.1093/neuonc/noac050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Background DNA methylation abnormalities are pervasive in pituitary neuroendocrine tumors (PitNETs). The feasibility to detect methylome alterations in circulating cell-free DNA (cfDNA) has been reported for several central nervous system (CNS) tumors but not across PitNETs. The aim of the study was to use the liquid biopsy (LB) approach to detect PitNET-specific methylation signatures to differentiate these tumors from other sellar diseases. Methods We profiled the cfDNA methylome (EPIC array) of 59 serum and 41 plasma LB specimens from patients with PitNETs and other CNS diseases (sellar tumors and other pituitary non-neoplastic diseases, lower-grade gliomas, and skull-base meningiomas) or nontumor conditions, grouped as non-PitNET. Results Our results indicated that despite quantitative and qualitative differences between serum and plasma cfDNA composition, both sources of LB showed that patients with PitNETs presented a distinct methylome landscape compared to non-PitNETs. In addition, LB methylomes captured epigenetic features reported in PitNET tissue and provided information about cell-type composition. Using LB-derived PitNETs-specific signatures as input to develop machine-learning predictive models, we generated scores that distinguished PitNETs from non-PitNETs conditions, including sellar tumor and non-neoplastic pituitary diseases, with accuracies above ~93% in independent cohort sets. Conclusions Our results underpin the potential application of methylation-based LB profiling as a noninvasive approach to identify clinically relevant epigenetic markers to diagnose and potentially impact the prognostication and management of patients with PitNETs.
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Affiliation(s)
- Grayson A Herrgott
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Karam P Asmaro
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Michael Wells
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Thais S Sabedot
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Tathiane M Malta
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Maritza S Mosella
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Kevin Nelson
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Lisa Scarpace
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Jill S Barnholtz-Sloan
- Department of Population and Quantitative Health Sciences, Case Western Reserve University School of Medicine, 2103 Cornell Rd, Cleveland, Ohio 44106 USA
| | - Andrew E Sloan
- Department of Neurological Surgery, University Hospitals of Cleveland, 11100 Euclid Ave., Cleveland, OH 44106 USA (EAS).,Case Comprehensive Cancer Center, 10900 Euclid Ave., Cleveland, OH 44106 USA (EAS)
| | - Warren R Selman
- Department of Neurological Surgery, University Hospitals of Cleveland, 11100 Euclid Ave., Cleveland, OH 44106 USA (EAS)
| | - Ana C deCarvalho
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Laila M Poisson
- Department of Biostatistics, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI, 48202 USA
| | - Abir Mukherjee
- Department of Pathology, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI, 48202 USA
| | - Adam M Robin
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Ian Y Lee
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - James Snyder
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Tobias Walbert
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Mark Rosenblum
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Tom Mikkelsen
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Arti Bhan
- Department of Endocrinology, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI, 48202 USA
| | - John Craig
- Department of Otolaryngology, Co-director of the Skull Base, Pituitary and Endoscopy Center
| | - Steven Kalkanis
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Jack Rock
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA
| | - Houtan Noushmehr
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
| | - Ana Valeria Castro
- Department of Neurosurgery, Hermelin Brain Tumor Center, Henry Ford Health System, 2799 West Grand Boulevard, Detroit, MI 48202 USA.,Department of Neurosurgery, Omics Laboratory, 2799 West Grand Boulevard, Henry Ford Health System, Detroit, MI 48202 USA
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20
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Tondepu C, Karumbaiah L. Glycomaterials to Investigate the Functional Role of Aberrant Glycosylation in Glioblastoma. Adv Healthc Mater 2022; 11:e2101956. [PMID: 34878733 PMCID: PMC9048137 DOI: 10.1002/adhm.202101956] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/30/2021] [Indexed: 02/03/2023]
Abstract
Glioblastoma (GBM) is a stage IV astrocytoma that carries a dismal survival rate of ≈10 months postdiagnosis and treatment. The highly invasive capacity of GBM and its ability to escape therapeutic challenges are key factors contributing to the poor overall survival rate. While current treatments aim to target the cancer cell itself, they fail to consider the significant role that the GBM tumor microenvironment (TME) plays in promoting tumor progression and therapeutic resistance. The GBM tumor glycocalyx and glycan-rich extracellular matrix (ECM), which are important constituents of the TME have received little attention as therapeutic targets. A wide array of aberrantly modified glycans in the GBM TME mediate tumor growth, invasion, therapeutic resistance, and immunosuppression. Here, an overview of the landscape of aberrant glycan modifications in GBM is provided, and the design and utility of 3D glycomaterials are discussed as a tool to evaluate glycan-mediated GBM progression and therapeutic efficacy. The development of alternative strategies to target glycans in the TME can potentially unveil broader mechanisms of restricting tumor growth and enhancing the efficacy of tumor-targeting therapeutics.
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Affiliation(s)
- C. Tondepu
- Regenerative Bioscience Science Center, University of Georgia, Athens, GA, USA
| | - L. Karumbaiah
- Regenerative Bioscience Science Center, University of Georgia, Athens, GA, USA,Division of Neuroscience, Biomedical & Translational Sciences Institute, University of Georgia, Athens, GA, USA,Edgar L. Rhodes center for ADS, College of Agriculture and Environmental Sciences, University of Georgia, Athens, GA, USA
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21
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Luo Z, Hu Q, Tang Y, Leng Y, Tian T, Tian S, Huang C, Liu A, Deng X, Shen L. Construction and investigation of β3GNT2-associated regulatory network in esophageal carcinoma. Cell Mol Biol Lett 2022; 27:8. [PMID: 35073841 PMCID: PMC8903709 DOI: 10.1186/s11658-022-00306-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/04/2022] [Indexed: 12/24/2022] Open
Abstract
Background Glycosyltransferases play a crucial role in various cancers. β1, 3-N-acetylglucosaminyltransferase 2, a polylactosamine synthase, is an important member of the glycosyltransferase family. However, the biological function and regulatory mechanism of β3GNT2 in esophageal carcinoma (ESCA) is still poorly understood. Methods The Cancer Genome Atlas and Genotype-Tissue Expression databases were used for gene expression and prognosis analysis. Quantitative real-time PCR, Western blot, and immunohistochemistry were performed to detect the expression of β3GNT2 in ESCA cell lines and tissues. In vitro assays and xenograft tumor models were utilized to evaluate the impact of β3GNT2 on ESCA progression. The downstream effectors and upstream regulators of β3GNT2 were predicted by online software and verified by functional experiments. Results We found that β3GNT2 was highly expressed in ESCA tissues and positively correlated with poor prognosis in ESCA patients. β3GNT2 expression was closely associated with the tumor size, TNM stage, and overall survival of ESCA patients. Functionally, β3GNT2 promoted ESCA cell growth, migration, and invasion in vitro, as well as tumorigenesis in vivo. Mechanistically, β3GNT2 knockdown decreased the expression of the polylactosamine on EGFR. Knockdown of β3GNT2 also inhibited the JAK/STAT signaling pathway. Meanwhile, the JAK/STAT inhibitor could partly reverse the biological effects caused by β3GNT2 overexpression. Moreover, β3GNT2 expression was positively regulated by CREB1 and negatively regulated by miR-133b. Both CREB1 and miR-133b was involved in the β3GNT2-mediated ESCA progression. Conclusions Our study, for the first time, reveals the importance of β3GNT2 in ESCA progression and offers a potential therapeutic target for ESCA. Supplementary Information The online version contains supplementary material available at 10.1186/s11658-022-00306-y.
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Rosa-Fernandes L, Oba-Shinjo SM, Macedo-da-Silva J, Marie SKN, Palmisano G. Aberrant Protein Glycosylation in Brain Cancers, with Emphasis on Glioblastoma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1382:39-70. [DOI: 10.1007/978-3-031-05460-0_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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23
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OUP accepted manuscript. Glycobiology 2022; 32:556-579. [DOI: 10.1093/glycob/cwac014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/22/2022] [Accepted: 03/09/2022] [Indexed: 11/12/2022] Open
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24
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Cheng YY, Yang X, Gao X, Song SX, Yang MF, Xie FM. LGR6 promotes glioblastoma malignancy and chemoresistance by activating the Akt signaling pathway. Exp Ther Med 2021; 22:1364. [PMID: 34659510 PMCID: PMC8515564 DOI: 10.3892/etm.2021.10798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 06/17/2020] [Indexed: 12/11/2022] Open
Abstract
Chemoresistance is the primary cause of the poor outcome of glioblastoma multiforme (GBM) therapy. Leucine-rich repeat-containing G-protein coupled receptor 6 (LGR6) is involved in the growth and proliferation of several types of cancer, including gastric cancer and ovarian cancer. Therefore, the aim of the present study was to investigate the role of LGR6 in GBM malignancy and chemoresistance. Cell counting kit-8 and Matrigel®-Transwell assays were conducted to assess GBM cell viability and invasion. The effect of LGR6 on cell cycle progression and activation of Akt signaling was analyzed by performing propidium iodide staining and western blotting, respectively. The results demonstrated that LGR6, a microRNA-1236-3p target candidate, promoted GBM cell viability and invasion, and mediated temozolomide sensitivity in SHG-44 and U251 GBM cells. In addition, LGR6 triggered the activation of the Akt signaling pathway during GBM progression. Collectively, the results of the present study suggested that LGR6 promoted GBM malignancy and chemoresistance, at least in part, by activating the Akt signaling pathway. The results may aid with the identification of a novel therapeutic target and strategy for GBM.
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Affiliation(s)
- Yuan Yuan Cheng
- Department of Oncology, Tai'an Central Hospital, Tai'an, Shandong 271000, P.R. China
| | - Xue Yang
- Department of Oncology, Tai'an Central Hospital, Tai'an, Shandong 271000, P.R. China
| | - Xin Gao
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Si Xin Song
- Department of Neurosurgery, The Second Affiliated Hospital of Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, Shandong 270000, P.R. China
| | - Ming Feng Yang
- Institute of Basic Medicine of Shangdong, First Medical University and Shandong Academy of Medical Sciences, Tai'an, Shandong 270000, P.R. China
| | - Fang Min Xie
- Department of Neurosurgery, The Second Affiliated Hospital of Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, Shandong 270000, P.R. China
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25
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Genetic risk model for in-stent restenosis of second-and third-generation drug-eluting stents. iScience 2021; 24:103082. [PMID: 34585120 PMCID: PMC8455661 DOI: 10.1016/j.isci.2021.103082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/20/2021] [Accepted: 08/31/2021] [Indexed: 12/02/2022] Open
Abstract
The new generation, i.e., second- and third-generation, drug-eluting stents (DESs) remain a risk of in-stent restenosis (ISR). We evaluated the power of a genetic risk score (GRS) model to identify high-risk populations for new generation DES ISR. We enrolled patients with coronary artery disease (CAD) treated with new generations DESs by a single-center cohort study in Taiwan and evaluated their genetic profile. After propensity score matching, there were 343 patients and 153 patients in the derivation and validation cohorts, respectively. Five selected single-nucleotide polymorphisms (SNPs), i.e., SNPs in CAMLG, GALNT2, C11orf84, THOC5, and SAMD11, were included to calculate the GRS for new generation DES ISR. In the derivation and the validation cohorts, patients with a GRS greater than or equal to 3 had significantly higher new generation DES ISR rates. We provide biological information for interventional cardiologists prior to percutaneous coronary intervention by specific five SNP-derived GRS. A validated GRS model identified high-risk population for new generation DES ISR This GRS includes 5 SNPs in exons: CAMLG, GALNT2, C11orf84, THOC5, and SAMD11 The patients with high GRSs (≥3) had higher rates of new generation DES ISR The GRS provides crucial information in shared decision-making process clinically
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Eslahi M, Maleki Dana P, Sadoughi F, Hallajzadeh J, Asemi Z, Sharifi M, Mansournia MA, Yousefi B. The Effects of Sterol-Related Signaling Pathways on Glioma. Nutr Cancer 2021; 74:1527-1537. [PMID: 34338098 DOI: 10.1080/01635581.2021.1957488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Gliomas are considered as one of the important brain tumors in adults due to their impact on life quality and cognitive functions. Current methods that are used for treating glioma are not satisfying enough. Understanding cellular and molecular events underlying its pathogenesis and progression may lead to the discovery of novel therapeutic approaches. Sterols are a subtype of steroids and are essential for the physiologic functions of eukaryotic cells. Sterols can be produced by protozoans and microheterotrophs. Moreover, they are found in some natural sources, such as plants, animals, fungi, microalgae, and yeasts. Besides the roles of sterols in physiologic processes, studies have shown that they are involved in pathologic processes, including tumorigenesis and tumor progression. As investigations have revealed, sterol-related signaling pathways are involved in glioma and targeting them may result in new therapeutic options for patients. Thus, we summarized some of the sterol-related signaling pathways in glioma and how they can be associated with other signaling pathways, including EGFR/PI3K/Akt/mTOR, P53, and retinoblastoma protein.
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Affiliation(s)
- Masoumeh Eslahi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Parisa Maleki Dana
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Fatemeh Sadoughi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Jamal Hallajzadeh
- Department of Biochemistry and Nutrition, Research Center for Evidence-Based Health Management, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Mehran Sharifi
- Department of Internal Medicine, School of Medicine, Cancer Prevention Research Center, Seyyed Al-Shohada Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahman Yousefi
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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Yu Y, Wang Z, Zheng Q, Li J. GALNT2/14 overexpression correlate with prognosis and methylation: potential therapeutic targets for lung adenocarcinoma. Gene 2021; 790:145689. [PMID: 33964375 DOI: 10.1016/j.gene.2021.145689] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 04/30/2021] [Indexed: 01/29/2023]
Abstract
OBJECTIVE GALNT2/14 are members of the glycosyltransferase protein family, which initiate mucin-type O-glycosylation of peptides in the Golgi apparatus. However, the correlation between GALNT2/14 and disease prognosis and methylation in lung adenocarcinoma (LUAD) remains unclear. Thus, we sought to identify their potential values in LUAD. METHODS GALNT2/14 expressions were analyzed using publicly-available datasets. The association between GALNT2/14 and disease prognosis was evaluated. In addition, gene set enrichment analysis (GSEA) and single sample GSEA (ssGSEA) were used to explore the potential biological functions of GALNT2/14. The correlation between the copy number variations and methylation level of GALNT2/14 and their mRNA expressions was analyzed via cBioPortal. Finally, we explored the prognostic value of the GALNT2/14 methylation levels by MethSurv in LUAD. RESULTS GALNT2/14 were highly expressed in LUAD tumor tissue than normal tissue (P < 0.001). Multivariate analysis showed that high GALNT2/14 expressions were both an independent prognostic factor. GSEA found that GALNT2/14 expressions were associated with the methylation, gene silencing, and cell division, whereas immune analysis showed that GALNT2/14 expressions positively correlated with the expression level of PD-L1. Finally, the methylation levels of GALNT2/14 negatively correlated with the GALNT2/14 expressions (R = -0.26 and -0.36, P < 0.001, respectively), and patients with GALNT2/14 hypomethylation had worse overall survival than patients with high methylation (P < 0.05). CONCLUSIONS This study demonstrated that the overexpression of GALNT2/14 in LUAD can serve as biomarkers for poor prognosis. The biological functions of GALNT2/14 are potentially related to methylation, gene silencing, tumorigenesis, and cell division. These findings help elucidate the role of GALNT2/14 in tumorigenesis and provide additional insight for therapy and prognosis of LUAD.
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Affiliation(s)
- Yilin Yu
- Fujian Medical University Cancer Hospital, Fujian Cancer Hospital, Fuzhou, Fujian, China
| | - Zhiping Wang
- Fujian Medical University Cancer Hospital, Fujian Cancer Hospital, Fuzhou, Fujian, China
| | - Qunhao Zheng
- Fujian Medical University Cancer Hospital, Fujian Cancer Hospital, Fuzhou, Fujian, China
| | - Jiancheng Li
- Fujian Medical University Cancer Hospital, Fujian Cancer Hospital, Fuzhou, Fujian, China.
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Xu Y, Li Z, Huai T, Huo X, Wang H, Bian E, Zhao B. DNMT1 Mediated CAHM Repression Promotes Glioma Invasion via SPAK/JNK Pathway. Cell Mol Neurobiol 2021; 42:2643-2653. [PMID: 34227028 DOI: 10.1007/s10571-021-01125-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 07/02/2021] [Indexed: 10/20/2022]
Abstract
Gliomas are the most common and fatal brain tumors worldwide. Abnormal DNA promoter methylation is an important mechanism for gene loss of tumor suppressors. A long non-coding RNA colorectal adenocarcinoma hypermethylated (CAHM) has been reported to be nearly deleted in glioblastomas (GBMs). Nevertheless, the roles of CAHM in gliomas remain unknown up to now. In the present study, 969 glioma samples downloaded from the CGGA and Gravendeel databases were included. We found that CAHM expression was correlated with glioma grades, molecular subtype, IDH mutation status, and 1q/19p codel status. In glioma cells, CAHM is hypermethylated by DNA methyltransferase1 (DNMT1) and the loss of CAHM expression could be reversed by 5-Aza-2'-deoxycytidine (5-Aza), a specific inhibitor of DNA methyltransferases. Besides, the expression of CAHM was negatively associated with overall survival in both primary and recurrent gliomas. Moreover, the result of Gene Ontology (GO) analysis suggested that CAHM participated in negatively regulating cell development, nervous system development, neurogenesis, and integrin-mediated signaling pathway. Overexpression of CAHM inhibited glioma cell proliferation, clone formation, and invasion. Further exploring results showed that CAHM overexpression suppressed glioma migration and invasion through SPAK/MAPK pathway. Collectively, this study disclosed that CAHM might be a suppressor in gliomas.
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Affiliation(s)
- Yadi Xu
- Ultrasonography Department, Hubei Hospital of Traditional Chinese Medicine, Wuhan, China
| | - Zelin Li
- Department of Neurosurgery, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, 678 Fu Rong Road, Hefei, 230601, Anhui, China.,Cerebral Vascular Disease Research Center, Anhui Medical University, Hefei, 230601, China
| | - Tian Huai
- Department of Neurosurgery, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, 678 Fu Rong Road, Hefei, 230601, Anhui, China.,Cerebral Vascular Disease Research Center, Anhui Medical University, Hefei, 230601, China
| | - Xiuhao Huo
- Department of Neurosurgery, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, 678 Fu Rong Road, Hefei, 230601, Anhui, China.,Cerebral Vascular Disease Research Center, Anhui Medical University, Hefei, 230601, China
| | - Hongliang Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, 678 Fu Rong Road, Hefei, 230601, Anhui, China.,Cerebral Vascular Disease Research Center, Anhui Medical University, Hefei, 230601, China
| | - Erbao Bian
- Department of Neurosurgery, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, 678 Fu Rong Road, Hefei, 230601, Anhui, China.,Cerebral Vascular Disease Research Center, Anhui Medical University, Hefei, 230601, China
| | - Bing Zhao
- Department of Neurosurgery, The Second Affiliated Hospital of Anhui Medical University, Anhui Medical University, 678 Fu Rong Road, Hefei, 230601, Anhui, China. .,Cerebral Vascular Disease Research Center, Anhui Medical University, Hefei, 230601, China.
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29
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Wang W, Sun R, Zeng L, Chen Y, Zhang N, Cao S, Deng S, Meng X, Yang S. GALNT2 promotes cell proliferation, migration, and invasion by activating the Notch/Hes1-PTEN-PI3K/Akt signaling pathway in lung adenocarcinoma. Life Sci 2021; 276:119439. [PMID: 33785338 DOI: 10.1016/j.lfs.2021.119439] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/09/2021] [Accepted: 03/17/2021] [Indexed: 02/07/2023]
Abstract
AIMS Our study aimed to investigate the function of GALNT2 in lung adenocarcinoma (LUAD). MAIN METHODS We used network tools and tissue microarray immunohistochemistry to measure the expression levels of GALNT2 in LUAD. Kaplan-Meier curves and Cox regression methods were used in survival analysis. We detected the role of GALNT2 in cell lines by Cell Counting Kit-8, colony formation, transwell, and wound healing assays. We performed Western blotting to evaluate downstream protein levels. KEY FINDINGS GALNT2 was highly expressed in LUAD samples and indicated a poor prognosis. Knockdown of GALNT2 suppressed cell line proliferation, migration, and invasion abilities, while overexpression of GALNT2 enhanced those phenotypes. Moreover, GALNT2 activated Notch/Hes1-PTEN-PI3K/Akt signaling axis. SIGNIFICANCE Our data confirmed the cancer-promoting effect of GALNT2, and might provide a new approach for LUAD therapy.
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Affiliation(s)
- Wei Wang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ruiying Sun
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Lizhong Zeng
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yang Chen
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Na Zhang
- Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shiguang Cao
- Department of Nuclear Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shanshan Deng
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xia Meng
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China; Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Shuanying Yang
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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30
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Role of Glycans on Key Cell Surface Receptors That Regulate Cell Proliferation and Cell Death. Cells 2021; 10:cells10051252. [PMID: 34069424 PMCID: PMC8159107 DOI: 10.3390/cells10051252] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/13/2021] [Accepted: 05/13/2021] [Indexed: 12/12/2022] Open
Abstract
Cells undergo proliferation and apoptosis, migration and differentiation via a number of cell surface receptors, most of which are heavily glycosylated. This review discusses receptor glycosylation and the known roles of glycans on the functions of receptors expressed in diverse cell types. We included growth factor receptors that have an intracellular tyrosine kinase domain, growth factor receptors that have a serine/threonine kinase domain, and cell-death-inducing receptors. N- and O-glycans have a wide range of functions including roles in receptor conformation, ligand binding, oligomerization, and activation of signaling cascades. A better understanding of these functions will enable control of cell survival and cell death in diseases such as cancer and in immune responses.
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31
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Wu Q, Zhang C, Zhang K, Chen Q, Wu S, Huang H, Huang T, Zhang N, Wang X, Li W, Liu Y, Zhang J. ppGalNAc-T4-catalyzed O-Glycosylation of TGF-β type Ⅱ receptor regulates breast cancer cells metastasis potential. J Biol Chem 2021; 296:100119. [PMID: 33234595 PMCID: PMC7948473 DOI: 10.1074/jbc.ra120.016345] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/14/2020] [Accepted: 11/24/2020] [Indexed: 12/24/2022] Open
Abstract
GalNAc-type O-glycosylation, initially catalyzed by polypeptide N-acetylgalactosaminyltransferases (ppGalNAc-Ts), is one of the most abundant and complex posttranslational modifications of proteins. Emerging evidence has proven that aberrant ppGalNAc-Ts are involved in malignant tumor transformation. However, the exact molecular functions of ppGalNAc-Ts are still unclear. Here, the role of one isoform, ppGalNAc-T4, in breast cancer cell lines was investigated. The expression of ppGalNAc-T4 was found to be negatively associated with migration of breast cancer cells. Loss-of-function studies revealed that ppGalNAc-T4 attenuated the migration and invasion of breast cancer cells by inhibiting the epithelial-mesenchymal transition (EMT) process. Correspondingly, transforming growth factor beta (TGF-β) signaling, which is the upstream pathway of EMT, was impaired by ppGalNAc-T4 expression. ppGalNAc-T4 knockout decreased O-GalNAc modification of TGF-β type Ⅰ and Ⅱ receptor (TβR Ⅰ and Ⅱ) and led to the elevation of TGF-β receptor dimerization and activity. Importantly, a peptide from TβR Ⅱ was identified as a naked peptide substrate of ppGalNAc-T4 with a higher affinity than ppGalNAc-T2. Further, Ser31, corresponding to the extracellular domain of TβR Ⅱ, was identified as the O-GalNAcylation site upon in vitro glycosylation by ppGalNAc-T4. The O-GalNAc-deficient S31 A mutation enhanced TGF-β signaling activity and EMT in breast cancer cells. Together, these results identified a novel mechanism of ppGalNAc-T4-catalyzed TGF-β receptors O-GalNAcylation that suppresses breast cancer cell migration and invasion via the EMT process. Targeting ppGalNAc-T4 may be a potential therapeutic strategy for breast cancer treatment.
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Affiliation(s)
- Qiong Wu
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China
| | - Cheng Zhang
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China
| | - Keren Zhang
- Clinical Laboratory of BGI Health, BGI-Shenzhen, Shenzhen, China
| | - Qiushi Chen
- Clinical Laboratory of BGI Health, BGI-Shenzhen, Shenzhen, China
| | - Sijin Wu
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, USA; Laboratory of Molecular Modeling and Design, State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Huang Huang
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China
| | - Tianmiao Huang
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China
| | - Nana Zhang
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China
| | - Xue Wang
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China
| | - Wenli Li
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China
| | - Yubo Liu
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China.
| | - Jianing Zhang
- School of Life Science & Pharmacy, Dalian University of Technology, Panjin, China.
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Akasaka-Manya K, Manya H. The Role of APP O-Glycosylation in Alzheimer's Disease. Biomolecules 2020; 10:biom10111569. [PMID: 33218200 PMCID: PMC7699271 DOI: 10.3390/biom10111569] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/16/2020] [Accepted: 11/16/2020] [Indexed: 12/13/2022] Open
Abstract
The number of people with dementia is increasing rapidly due to the increase in the aging population. Alzheimer’s disease (AD) is a type of neurodegenerative dementia caused by the accumulation of abnormal proteins. Genetic mutations, smoking, and several other factors have been reported as causes of AD, but alterations in glycans have recently been demonstrated to play a role in AD. Amyloid-β (Aβ), a cleaved fragment of APP, is the source of senile plaque, a pathological feature of AD. APP has been reported to undergo N- and O-glycosylation, and several Polypeptide N-acetylgalactosaminyltransferases (ppGalNAc-Ts) have been shown to have catalytic activity for the transfer of GalNAc to APP. Since O-glycosylation in the proximity of a cleavage site in many proteins has been reported to be involved in protein processing, O-glycans may affect the cleavage of APP during the Aβ production process. In this report, we describe new findings on the O-glycosylation of APP and Aβ production.
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33
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Wolin IAV, Heinrich IA, Nascimento APM, Welter PG, Sosa LDV, De Paul AL, Zanotto-Filho A, Nedel CB, Lima LD, Osterne VJS, Pinto-Junior VR, Nascimento KS, Cavada BS, Leal RB. ConBr lectin modulates MAPKs and Akt pathways and triggers autophagic glioma cell death by a mechanism dependent upon caspase-8 activation. Biochimie 2020; 180:186-204. [PMID: 33171216 DOI: 10.1016/j.biochi.2020.11.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/26/2020] [Accepted: 11/02/2020] [Indexed: 01/03/2023]
Abstract
Glioblastoma multiforme is the most aggressive type of glioma, with limited treatment and poor prognosis. Despite some advances over the last decade, validation of novel and selective antiglioma agents remains a challenge in clinical pharmacology. Prior studies have shown that leguminous lectins may exert various biological effects, including antitumor properties. Accordingly, this study aimed to evaluate the mechanisms underlying the antiglioma activity of ConBr, a lectin extracted from the Canavalia brasiliensis seeds. ConBr at lower concentrations inhibited C6 glioma cell migration while higher levels promoted cell death dependent upon carbohydrate recognition domain (CRD) structure. ConBr increased p38MAPK and JNK and decreased ERK1/2 and Akt phosphorylation. Moreover, ConBr inhibited mTORC1 phosphorylation associated with accumulation of autophagic markers, such as acidic vacuoles and LC3 cleavage. Inhibition of early steps of autophagy with 3-methyl-adenine (3-MA) partially protected whereas the later autophagy inhibitor Chloroquine (CQ) had no protective effect upon ConBr cytotoxicity. ConBr also augmented caspase-3 activation without affecting mitochondrial function. Noteworthy, the caspase-8 inhibitor IETF-fmk attenuated ConBr induced autophagy and C6 glioma cell death. Finally, ConBr did not show cytotoxicity against primary astrocytes, suggesting a selective antiglioma activity. In summary, our results indicate that ConBr requires functional CRD lectin domain to exert antiglioma activity, and its cytotoxicity is associated with MAPKs and Akt pathways modulation and autophagy- and caspase-8- dependent cell death.
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Affiliation(s)
- Ingrid A V Wolin
- Departamento de Bioquímica e Programa de Pós-graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Isabella A Heinrich
- Departamento de Bioquímica e Programa de Pós-graduação Em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Ana Paula M Nascimento
- Departamento de Bioquímica e Programa de Pós-graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Priscilla G Welter
- Departamento de Bioquímica e Programa de Pós-graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Liliana Del V Sosa
- Centro de Microscopía Electrónica, Universidad Nacional de Córdoba, Facultad de Ciencias Médicas, Ciudad Universitaria, 5000, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones en Ciencias de La Salud (INICSA), Córdoba, Argentina
| | - Ana Lucia De Paul
- Centro de Microscopía Electrónica, Universidad Nacional de Córdoba, Facultad de Ciencias Médicas, Ciudad Universitaria, 5000, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones en Ciencias de La Salud (INICSA), Córdoba, Argentina
| | - Alfeu Zanotto-Filho
- Departamento de Farmacologia e Programa de Pós-graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Cláudia Beatriz Nedel
- Departamento de Biologia Celular, Embriologia e Genética, Laboratório de Biologia Celular de Gliomas, Programa de Pós-graduação Em Biologia Celular e Do Desenvolvimento, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil
| | - Lara Dias Lima
- Departamento de Bioquímica e Biologia Molecular, BioMolLab, Universidade Federal Do Ceará, CEP, 60020-181, Fortaleza, Ceará, Brazil
| | - Vinicius Jose Silva Osterne
- Departamento de Bioquímica e Biologia Molecular, BioMolLab, Universidade Federal Do Ceará, CEP, 60020-181, Fortaleza, Ceará, Brazil
| | | | - Kyria S Nascimento
- Departamento de Bioquímica e Biologia Molecular, BioMolLab, Universidade Federal Do Ceará, CEP, 60020-181, Fortaleza, Ceará, Brazil
| | - Benildo S Cavada
- Departamento de Bioquímica e Biologia Molecular, BioMolLab, Universidade Federal Do Ceará, CEP, 60020-181, Fortaleza, Ceará, Brazil
| | - Rodrigo B Leal
- Departamento de Bioquímica e Programa de Pós-graduação Em Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil; Departamento de Bioquímica e Programa de Pós-graduação Em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, 88040-900, Florianópolis, Santa Catarina, Brazil.
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Zhou X, Xu Y, Yin D, Zhao F, Hao Z, Zhong Y, Zhang J, Zhang B, Yin X. Type 2 diabetes mellitus facilitates endometrial hyperplasia progression by activating the proliferative function of mucin O-glycosylating enzyme GALNT2. Biomed Pharmacother 2020; 131:110764. [PMID: 33152927 DOI: 10.1016/j.biopha.2020.110764] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 09/13/2020] [Accepted: 09/16/2020] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE Type 2 diabetes mellitus (T2DM) is thought to be a risk factor for endometrial hyperplasia, but potential links between the two diseases are unknown. This study aims to evaluate the role of T2DM in the progression of endometrial hyperplasia. METHODS Female Sprague-Dawley rats were randomly divided into normal (N) group, endometrial hyperplasia (NH) group, T2DM (T) group, and endometrial hyperplasia with T2DM (TH) group. Proteomics analysis was performed to determine the protein profile of endometrial tissues. Proliferation, migration, and invasion of cells with/without GLANT2-knockdown were assessed. Immunohistochemical staining and ELISA were used to examine the expression of GALNT2 in endometrial tissues and serum of clinical samples. RESULTS The highest uterus index and endometrial thickness were observed in TH group, with the expression of proliferation marker PCNA increased significantly, indicating that T2DM facilitates the progress of endometrial hyperplasia. Proteomics analysis showed that there were significant differences in protein profiles among groups and differential proteins were mainly enriched in metabolic pathways. Further verification by molecular biology analysis indicated that GALNT2 is the key target for T2DM facilitating endometrial hyperplasia. The expression of GALNT2 was significantly decreased in high glucose environment. T2DM could synergize the proliferative function of GALNT2 aberration by activating EGFR/AKT/ERK pathway. The decreased expressions of GALNT2 in clinical samples were associated with worse subtypes of endometrial hyperplasia. CONCLUSION T2DM promoted the progression of endometrial hyperplasia by regulating the GALNT2-mediated phosphorylation of EGFR and enhancing cell proliferation. GALNT2 has the potential to be a novel biomarker in the treatment of endometrial hyperplasia.
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Affiliation(s)
- Xueyan Zhou
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Yinxue Xu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Di Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Feng Zhao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Zhixiang Hao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Ya'nan Zhong
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Jingbo Zhang
- Department of Obstetrics and Gynecology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, China
| | - Bei Zhang
- Department of Obstetrics and Gynecology, Xuzhou Central Hospital, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, China.
| | - Xiaoxing Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China.
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35
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Wu Y, Ma J, Sun Y, Tang M, Kong L. Effect and mechanism of PI3K/AKT/mTOR signaling pathway in the apoptosis of GC-1 cells induced by nickel nanoparticles. CHEMOSPHERE 2020; 255:126913. [PMID: 32402875 DOI: 10.1016/j.chemosphere.2020.126913] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 04/21/2020] [Accepted: 04/26/2020] [Indexed: 05/28/2023]
Abstract
Nickel nanoparticles (Ni NPs) have a wide range of application prospects, but there is still a lack of their safety evaluation for the reproductive system. Nowadays, male reproductive health has been widely concerned because of the increasing incidence of male infertility. Studies have shown that Ni NPs can cause male reproductive toxicity. The purpose of this study was to investigate the toxicity of Ni NPs on GC-1 cells, a mouse spermatogonia cell line, and to explore the possible mechanism underlying the induction of apoptosis via PI3K/AKT/mTOR signaling pathway. The cell ultrastructure was firstly observed under a transmission electron microscope. Then, cell proliferation, cycle and apoptosis were detected by CCK-8 and flow cytometry, respectively. Furthermore, the expression levels of related proteins and genes were determined by Western blot and Reverse transcription-polymerase chain reaction, respectively. The results showed that Ni NPs could not only cause changes in cell ultrastructure, decreased survival rate and arrested G1 phase cell cycle, but also activated apoptosis pathway by inhibiting the PI3K/AKT/mTOR signaling pathway. The results of this study provide novel insights to explore the mechanisms of reproductive toxicity of Ni NPs and are of great significance to develop safety evaluation criteria for Ni NPs.
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Affiliation(s)
- Yongya Wu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Jun Ma
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Yufei Sun
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Meng Tang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China
| | - Lu Kong
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, China.
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36
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Liu C, Li Z, Xu L, Shi Y, Zhang X, Shi S, Hou K, Fan Y, Li C, Wang X, Zhou L, Liu Y, Qu X, Che X. GALNT6 promotes breast cancer metastasis by increasing mucin-type O-glycosylation of α2M. Aging (Albany NY) 2020; 12:11794-11811. [PMID: 32559179 PMCID: PMC7343513 DOI: 10.18632/aging.103349] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 05/14/2020] [Indexed: 01/22/2023]
Abstract
Breast cancer is the most lethal malignancy in women. N-acetylgalactosaminyltransferase 6 (GALNT6) is an enzyme which mediates the initial step of mucin-type O-glycosylation, and has been reported to be involved in mammary carcinogenesis. However, the molecular mechanism of GALNT6 in breast cancer metastasis has not been fully explored. In this study, based on online database analyses and tissue microarrays, the overall survival (OS) of breast cancer patients with high expression of GALNT6 was found to be shorter than those with low expression of GALNT6. Also, high GALNT6 expression was positively correlated with advanced pN stage and pTNM stage. GALNT6 was shown to be able to promote the migration and invasion of breast cancer cells, and enhance the level of mucin-type O-glycosylation of substrates in the supernatants of breast cancer cells. Qualitative mucin-type glycosylomics analysis identified α2M as a novel substrate of GALNT6. Further investigation showed that GALNT6 increased O-glycosylation of α2M, and the following activation of the downstream PI3K/Akt signaling pathway was involved in the promotion of migration and invasion of breast cancer cells. This study identified a new substrate of GALNT6 and provides novel understanding of the role of GALNT6 in promoting metastasis and poor prognosis in breast cancer.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Breast/pathology
- Breast/surgery
- Breast Neoplasms/diagnosis
- Breast Neoplasms/mortality
- Breast Neoplasms/pathology
- Breast Neoplasms/surgery
- Breast Neoplasms, Male/diagnosis
- Breast Neoplasms, Male/mortality
- Breast Neoplasms, Male/pathology
- Breast Neoplasms, Male/surgery
- Carcinoma, Ductal, Breast/diagnosis
- Carcinoma, Ductal, Breast/mortality
- Carcinoma, Ductal, Breast/secondary
- Carcinoma, Ductal, Breast/surgery
- Cell Line, Tumor
- Datasets as Topic
- Female
- Follow-Up Studies
- Glycosylation
- Humans
- Kaplan-Meier Estimate
- Male
- Mastectomy
- Middle Aged
- N-Acetylgalactosaminyltransferases/metabolism
- Neoplasm Metastasis/pathology
- Neoplasm Staging
- Phosphatidylinositol 3-Kinases/metabolism
- Prognosis
- Proto-Oncogene Proteins c-akt/metabolism
- Signal Transduction
- Tissue Array Analysis
- alpha-Macroglobulins/metabolism
- Polypeptide N-acetylgalactosaminyltransferase
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Affiliation(s)
- Chang Liu
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
- Department of Internal Medicine, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang 110042, China
| | - Zhi Li
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Lu Xu
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Yu Shi
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Xiaojie Zhang
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Sha Shi
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Kezuo Hou
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Yibo Fan
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Ce Li
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Xiaoxun Wang
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Lu Zhou
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Yunpeng Liu
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Xiujuan Qu
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
| | - Xiaofang Che
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang 110001, China
- Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang 110001, China
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Peng L, Liang Y, Zhong X, Liang Z, Tian Y, Li S, Liang J, Wang R, Zhong Y, Shi Y, Zhang X. Aptamer-Conjugated Gold Nanoparticles Targeting Epidermal Growth Factor Receptor Variant III for the Treatment of Glioblastoma. Int J Nanomedicine 2020; 15:1363-1372. [PMID: 32184591 PMCID: PMC7053811 DOI: 10.2147/ijn.s238206] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/21/2020] [Indexed: 12/13/2022] Open
Abstract
Purpose In this study, we constructed novel brain-targeting complexes (U2-AuNP) by conjugating aptamer U2 to the gold nanoparticle (AuNPs) surface as a promising option for GBM therapy. Materials and Methods The properties of the U2-AuNP complexes were thoroughly characterized. Then, we detected the in vitro effects of U2-AuNP in U87-EGFRvIII cell lines and the in vivo antitumor effects of U2-AuNP in GBM-bearing mice. Furthermore, we explored the inhibition mechanism of U2-AuNP in U87-EGFRvIII cell lines. Results We found that U2-AuNP inhibits the proliferation and invasion of U87-EGFRvIII cell lines and prolongs the survival time of GBM-bearing mice. We found that U2-AuNP can inhibit the EGFR-related pathway and prevent DNA damage repair in GBM cells. Conclusion These results reveal the promising potential of U2-AuNP as a drug candidate for targeted therapy in GBM.
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Affiliation(s)
- Li Peng
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong Province Key Laboratory of Psychiatric Disorders, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, People's Republic of China.,The Fifth Affiliated Hospital, Southern Medical University, Guangzhou 510900, People's Republic of China
| | - Yanling Liang
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong Province Key Laboratory of Psychiatric Disorders, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Xinxin Zhong
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong Province Key Laboratory of Psychiatric Disorders, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Zhiman Liang
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong Province Key Laboratory of Psychiatric Disorders, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, People's Republic of China.,The Fifth Affiliated Hospital, Southern Medical University, Guangzhou 510900, People's Republic of China
| | - Yinghong Tian
- Experiment Teaching & Administration Center, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Shuji Li
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong Province Key Laboratory of Psychiatric Disorders, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Jingxue Liang
- The First Affiliated Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Ransheng Wang
- The First Affiliated Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Yuqi Zhong
- The First Affiliated Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Yusheng Shi
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, People's Republic of China
| | - Xingmei Zhang
- Key Laboratory of Mental Health of the Ministry of Education, Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong Province Key Laboratory of Psychiatric Disorders, Department of Neurobiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, People's Republic of China
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38
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Wang H, Chen Z, Wang S, Gao X, Qian M, Qiu W, Zhang Z, Zhang S, Qi Y, Sun X, Xue H, Guo X, Zhao R, Li G. TGFβ1-induced beta-site APP-cleaving enzyme 2 upregulation promotes tumorigenesis through the NF-κB signalling pathway in human gliomas. Mol Oncol 2020; 14:407-425. [PMID: 31856384 PMCID: PMC6998390 DOI: 10.1002/1878-0261.12623] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 12/04/2019] [Accepted: 12/17/2019] [Indexed: 01/05/2023] Open
Abstract
Gliomas are the most common primary malignant tumours of the central nervous system, and new molecular biomarkers are urgently needed for diagnosis and targeted therapy. Here, we report that increased beta-site APP-cleaving enzyme 2 (BACE2) expression is associated with increases in the grade of human glioma, the incidence of the mesenchymal molecular glioblastoma multiforme subtype and the likelihood of poor prognoses for patients. BACE2 knockdown suppressed cell invasion, cell migration and tumour growth both in vitro and in vivo, while BACE2 overexpression promoted the mesenchymal transition and cell proliferation. Furthermore, TGFβ1 stimulated BACE2 expression through Smad-dependent signalling, which modulated TNF-α-induced NF-κB activity through the PP1A/IKK pathway to promote tumorigenesis in both U87MG and U251 cells. Our study indicated that BACE2 plays a significant role in glioma development. Therefore, BACE2 is a potential therapeutic target for human gliomas due to its function and ability to be regulated.
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Affiliation(s)
- Huizhi Wang
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Zihang Chen
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Shaobo Wang
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Xiao Gao
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Mingyu Qian
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Wei Qiu
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Zongpu Zhang
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Shouji Zhang
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Yanhua Qi
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Xiaopeng Sun
- Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China.,Department of Neurosurgery, Dezhou People's Hospital, Dezhou, Shandong Province, China
| | - Hao Xue
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Xing Guo
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Rongrong Zhao
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
| | - Gang Li
- Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, Shandong Province, China.,Institute of Brain and Brain-Inspired Science, Shandong University, Jinan, Shandong Province, China.,Shandong Key Laboratory of Brain Function Remodeling, Shandong University, Jinan, Shandong Province, China
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