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Wang H, Wang W, Wang J, Zhang L, Luo Y, Tang X. MicroRNA-15a/β1,4-GalT-I axis contributes to cartilage degeneration via NF-κB signaling in osteoarthritis. Clinics (Sao Paulo) 2023; 78:100254. [PMID: 37478628 PMCID: PMC10387577 DOI: 10.1016/j.clinsp.2023.100254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 06/05/2023] [Accepted: 07/03/2023] [Indexed: 07/23/2023] Open
Abstract
OBJECTIVE Osteoarthritis is a condition characterized by articular cartilage degradation. The increased expression of β1,4-Galactosyltransferase-I (β1,4-GalT-I) in the articular cartilage of osteoarthritis patients was related to an inflammatory response. The aim of this study was to elucidate the role of β1,4-GalT-I in osteoarthritis. This study aimed to determine the function of 1,4-GalT-I in osteoarthritis. METHODS The osteoarthritis mouse model with the destabilization of the medial meniscus was established by microsurgical technique. Pathological changes in articular cartilage were observed by hematoxylin and eosin staining and safranin O-fast green staining. Quantitative real-time polymerase chain reaction, western blot, and enzyme-linked immunosorbent assays were used to observe mRNA and protein expression, respectively. RNA interactions were verified by a luciferase reporter assay. SA-β-Gal staining was used to assess chondrocyte senescence. Immunofluorescence staining was conducted to observe the localization of Nuclear Factor-kappaB (NF-κB). RESULTS β1,4-GalT-I and microRNA-15a (miR-15a) show high and low expression in the articular cartilage of osteoarthritis, respectively. MiR-15a inhibits the mRNA translation of β1,4-GalT-I. β1,4-GalT-I promotes extracellular matrix degradation, senescence, and NF-κB activation in IL-1β-stimulated chondrocytes, which can be reversed by overexpression of miR-15a. Intra-articular injection of microRNA-15a ameliorates cartilage degeneration by inhibiting β1,4-GalT-I and phosphorylation of NF-κB in vivo. CONCLUSION The authors clarified that the miR-15a/β1,4-GalT-I axis inhibits the phosphorylation of NF-κB thereby inhibiting extracellular matrix degradation and senescence in chondrocytes to alleviate cartilage degeneration in osteoarthritis. MiR-15a and β1,4-GalT-I may serve as potentially effective targets for the future treatment of osteoarthritis.
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Affiliation(s)
- Hairong Wang
- Department of Orthopedics, Jianhu People's Hospital, Yancheng, Jiangsu, China
| | - Weilin Wang
- Department of Orthopedics, Jianhu People's Hospital, Yancheng, Jiangsu, China
| | - Jian Wang
- Department of Orthopedics, Jianhu People's Hospital, Yancheng, Jiangsu, China
| | - Linsheng Zhang
- Department of Orthopedics, Jianhu People's Hospital, Yancheng, Jiangsu, China
| | - Yujie Luo
- Department of Orthopedics, Jianhu People's Hospital, Yancheng, Jiangsu, China
| | - Xiaobo Tang
- Department of Orthopedics, Jianhu People's Hospital, Yancheng, Jiangsu, China.
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Li H, Yang F, Chang K, Yu X, Guan F, Li X. The synergistic function of long and short forms of β4GalT1 in p53-mediated drug resistance in bladder cancer cells. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119409. [PMID: 36513218 DOI: 10.1016/j.bbamcr.2022.119409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 11/25/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
β1,4-galactosyltransferase-1 (β4GalT1) is a type II membrane protein that catalyzes the transfer of galactose (Gal) from UDP-Gal to N-acetylglucosamine (GlcNAc) and forms a LacNAc structure. β4GalT1 has a long form (termed β4GalT1-L) and a short form (termed β4GalT1-S) in mammalian cells. Although β4GalT1 has been proven to play an important role in many biological and pathological processes, such as differentiation, immune responses and cancer development, the different functions of the two β4GalT1 forms remain ambiguous. In this study, we demonstrated that total β4GalT1 was upregulated in bladder cancer. Overexpression of β4GalT1-S, but not β4GalT1-L, increased drug resistance in bladder epithelial cells by upregulating p53 expression. Glycoproteomic analysis revealed that the substrate specificities of the two β4GalT1 forms were different. Among the LacNAcylated proteins, the E3 ligase MDM2 could be preferentially modified by β4GalT1-L compared to β4GalT1-S, and this modification could increase the binding of MDM2 and p53 and further facilitate the degradation of p53. Our data proved that the two forms of β4GalT1 could synergistically regulate p53-mediated cell survival under chemotherapy treatment. These results provide insights into the role of β4GalT1-L and β4GalT1-S and suggest their differentially important implications in the development of bladder cancer.
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Affiliation(s)
- Hongjiao Li
- Key Laboratory of Resource Biology and Biotechnology Western China, Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an, China
| | - Fenfang Yang
- Key Laboratory of Resource Biology and Biotechnology Western China, Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an, China
| | - Kaijing Chang
- Key Laboratory of Resource Biology and Biotechnology Western China, Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an, China
| | - Xinwen Yu
- Key Laboratory of Resource Biology and Biotechnology Western China, Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an, China
| | - Feng Guan
- Key Laboratory of Resource Biology and Biotechnology Western China, Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an, China.
| | - Xiang Li
- Institute of Hematology, School of Medicine, Northwest University, Xi'an, China.
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Yuan Z, Liu S, Song W, Liu Y, Bi G, Xie R, Ren L. Galactose Enhances Chondrogenic Differentiation of ATDC5 and Cartilage Matrix Formation by Chondrocytes. Front Mol Biosci 2022; 9:850778. [PMID: 35615738 PMCID: PMC9124793 DOI: 10.3389/fmolb.2022.850778] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 04/07/2022] [Indexed: 12/01/2022] Open
Abstract
Galactose, an important carbohydrate nutrient, is involved in several types of cellular metabolism, participating in physiological activities such as glycosaminoglycan (GAG) synthesis, glycosylation, and intercellular recognition. The regulatory effects of galactose on osteoarthritis have attracted increased attention. In this study, in vitro cell models of ATDC5 and chondrocytes were prepared and cultured with different concentrations of galactose to evaluate its capacity on chondrogenesis and cartilage matrix formation. The cell proliferation assay demonstrated that galactose was nontoxic to both ATDC5 cells and chondrocytes. RT-PCR and immunofluorescence staining indicated that the gene expressions of cartilage matrix type II collagen and aggrecan were significantly upregulated with increasing galactose concentration and the expression and accumulation of the extracellular matrix (ECM) protein. Overall, these results indicated that a galactose concentration below 8 mM exhibited the best effect on promoting chondrogenesis, which entitles galactose as having considerable potential for cartilage repair and regeneration.
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Affiliation(s)
- Zhongrun Yuan
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
| | - Sa Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
- *Correspondence: Sa Liu, ; Renjian Xie, ; Li Ren,
| | - Wenjing Song
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
| | - Ying Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
| | - Gangyuan Bi
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou, China
| | - Renjian Xie
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou, China
- School of Medical Information Engineering, Gannan Medical University, Ganzhou, China
- Jiangxi Key Laboratory of Medical Tissue Engineering Materials and Biofabrication, Gannan Medical University, Ganzhou, China
- *Correspondence: Sa Liu, ; Renjian Xie, ; Li Ren,
| | - Li Ren
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, China
- Guangdong Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, China
- *Correspondence: Sa Liu, ; Renjian Xie, ; Li Ren,
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Sun X, Duan H, Xiao L, Yao S, He Q, Chen X, Zhang W, Ma J. Identification of key genes in osteoarthritis using bioinformatics, principal component analysis and meta-analysis. Exp Ther Med 2020; 21:18. [PMID: 33235627 PMCID: PMC7678638 DOI: 10.3892/etm.2020.9450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 11/22/2018] [Indexed: 11/30/2022] Open
Abstract
The present study aimed to identify key genes involved in osteoarthritis (OA). Based on a bioinformatics analysis of five gene expression profiling datasets (GSE55457, GSE55235, GSE82107, GSE12021 and GSE1919), differentially expressed genes (DEGs) in OA were identified. Subsequently, a protein-protein interaction (PPI) network was constructed and its topological structure was analyzed. In addition, key genes in OA were identified following a principal component analysis (PCA) based on the DEGs in the PPI network. Finally, the functions and pathways enriched by these key genes were also analyzed. The PPI network consisted of 241 nodes and 576 interactives, including a total of 171 upregulated DEGs [e.g., aspartylglucosaminidase (AGA), CD58 and CD86] and a total of 70 downregulated DEGs (e.g., acetyl-CoA carboxylase β and dihydropyrimidine dehydrogenase). The PPI network complied with an attribute of scale-free small-world network. After PCA, 47 key genes were identified, including β-1,4-galactosyltransferase-1 (B4GALT1), AGA, CD58, CD86, ezrin, and eukaryotic translation initiation factor 4 γ 1 (EIF4G1). Subsequently, the 47 key genes were identified to be enriched in 13 Gene Ontology (GO) terms and 2 Kyoto Encyclopedia of Genes and Genomes pathways, with the GO terms involving B4GALT1 including positive regulation of developmental processes, protein amino acid terminal glycosylation and protein amino acid terminal N-glycosylation. In addition, B4GALT1 and EIF4G1 were confirmed to be downregulated in OA samples compared with healthy controls, but only EIF4G1 was determined to be significantly downregulated in OA samples, as determined via a meta-analysis of the 5 abovementioned datasets. In conclusion, B4GALT1 and EIF4G1 were indicated to have significant roles in OA, and B4GALT1 may be involved in positive regulation of developmental processes, protein amino acid terminal glycosylation and protein amino acid terminal N-glycosylation. The present study may enhance the current understanding of the molecular mechanisms of OA and provide novel therapeutic targets.
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Affiliation(s)
- Xiangxiang Sun
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Honghao Duan
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Lin Xiao
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Shuxin Yao
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Qiang He
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Xinlin Chen
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Weijie Zhang
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Jianbing Ma
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
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Cai G, Wang K, Qu N, Qiu P, Vlahakis JZ, Szarek WA, Lee RJ, Gao Y. Antitumor effect of a liposome-encapsulated β1,4-galactosyltransferase inhibitor. Int J Pharm 2018; 552:388-393. [DOI: 10.1016/j.ijpharm.2018.10.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 09/27/2018] [Accepted: 10/06/2018] [Indexed: 12/29/2022]
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Evolution of protein N-glycosylation process in Golgi apparatus which shapes diversity of protein N-glycan structures in plants, animals and fungi. Sci Rep 2017; 7:40301. [PMID: 28074929 PMCID: PMC5225481 DOI: 10.1038/srep40301] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/01/2016] [Indexed: 01/21/2023] Open
Abstract
Protein N-glycosylation (PNG) is crucial for protein folding and enzymatic activities, and has remarkable diversity among eukaryotic species. Little is known of how unique PNG mechanisms arose and evolved in eukaryotes. Here we demonstrate a picture of onset and evolution of PNG components in Golgi apparatus that shaped diversity of eukaryotic protein N-glycan structures, with an emphasis on roles that domain emergence and combination played on PNG evolution. 23 domains were identified from 24 known PNG genes, most of which could be classified into a single clan, indicating a single evolutionary source for the majority of the genes. From 153 species, 4491 sequences containing the domains were retrieved, based on which we analyzed distribution of domains among eukaryotic species. Two domains in GnTV are restricted to specific eukaryotic domains, while 10 domains distribute not only in species where certain unique PNG reactions occur and thus genes harboring these domains are supoosed to be present, but in other ehkaryotic lineages. Notably, two domains harbored by β-1,3 galactosyltransferase, an essential enzyme in forming plant-specific Lea structure, were present in separated genes in fungi and animals, suggesting its emergence as a result of domain shuffling.
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Al-Obaide MAI, Alobydi H, Abdelsalam AG, Zhang R, Srivenugopal KS. Multifaceted roles of 5'-regulatory region of the cancer associated gene B4GALT1 and its comparison with the gene family. Int J Oncol 2015; 47:1393-404. [PMID: 26315939 DOI: 10.3892/ijo.2015.3136] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 08/05/2015] [Indexed: 11/06/2022] Open
Abstract
β1,4-Galactosylransferases are a family of enzymes encoded by seven B4GALT genes and are involved in the development of anticancer drug resistance and metastasis. Among these genes, the B4GALT1 shows significant variations in the transcript origination sites in different cell types/tissues and encodes an interesting dually partitioning β-1, 4-galactosyltransferase protein. We identified at 5'-end of B4GALT1 a 1.454 kb sequence forming a transcription regulatory region, referred to by us as the TR1-PE1, had all characteristics of a bidirectional promoter directing the transcription of B4GALT1 in a divergent manner along with its long non-coding RNA (lncRNA) antisense counterpart B4GALT1-AS1. The TR1-PE1 showed unique dinucleotide base-stacking energy values specific to transcription factor binding sites (TFBSs), INR and BRE, and harbored CpG Island (CGI) that showed GC skew with potential for R-loop formation at the transcription starting sites (TSSs). The 5'-regulatory axis of B4GALT1 also included five more novel TFBSs for CTCF, GLI1, TCF7L2, GATA3 and SOX5, in addition to unique (TG)18 repeats in conjunction with 22 nucleotide TG-associated sequence (TGAS). The five lncRNA B4GALT1-AS1 transcripts showed significant complementarity with B4GALT1 mRNA. In contrast, the rest of B4GALT genes showed fewer lncRNAs, and all lacked the (TG)18 and TGAS. Our results are strongly supported by the FANTOM5 study which showed tissue-specific variations in transcript origination sites for this gene. We suggest that the unique expression patterns for the B4GALT1 in normal and malignant tissues are controlled by a differential usage of 5'-B4GALT1 regulatory units along with a post-transcriptional regulation by the antisense RNA, which in turn govern the cell-matrix interactions, neoplastic progression, anticancer drug sensitivity, and could be utilized in personalized therapy.
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Affiliation(s)
- Mohammed A Ibrahim Al-Obaide
- Department of Biomedical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA
| | | | - Abdelsalam G Abdelsalam
- Department of Mathematics, Statistics and Physics, College of Arts and Sciences, Qatar University, Doha, Qatar
| | - Ruiwen Zhang
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA
| | - Kalkunte S Srivenugopal
- Department of Biomedical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA
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