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Guo Y, Zhang H, Yao L, Li Y, Situ C, Sha J, Chen D, Guo X. Systematic analysis of the ubiquitome in mouse testis. Proteomics 2021; 21:e2100025. [PMID: 34050602 DOI: 10.1002/pmic.202100025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 05/12/2021] [Accepted: 05/18/2021] [Indexed: 11/06/2022]
Abstract
A growing body of evidence now supports the fact that protein ubiquitination is an important modification during the regulation of spermatogenesis. However, little is known about the ubiquitome of the testis. In this study, we created a large-scale mouse testis ubiquitome profile using di-glycine remnant antibodies and mass spectrometry and identified a total of 14,219 ubiquitination sites in 4217 proteins. Bioinformatics and phenotypic analyses showed that the ubiquitinated proteins were closely related to meiosis and spermiogenesis. And 512 ubiquitination regulatory enzymes were identified in testis that can exert regulatory functions over ubiquitination: the homologous to E6AP C-terminus (HECT) and multi-subunit RING-finger type E3 ligases were significantly enriched. In addition, we identified 22 new ubiquitination sites on testicular histones and 146 ubiquitinated epigenetic factors, thus demonstrating that ubiquitination plays an important role in epigenetic regulation. Collectively, this in-depth characterization of the ubiquitome in mouse testis could provide a rich resource for further studies of regulatory events at the protein level during spermatogenesis. All MS data are available via ProteomeXchange with the identifier PXD025866.
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Affiliation(s)
- Yueshuai Guo
- Department of Gynecology and Obstetrics, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, China.,Department of Histology and Embryology, State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Haotian Zhang
- Department of Histology and Embryology, State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Liping Yao
- Department of Histology and Embryology, State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Yan Li
- Department of Histology and Embryology, State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Chenghao Situ
- Department of Histology and Embryology, State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Jiahao Sha
- Department of Histology and Embryology, State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
| | - Daozhen Chen
- Department of Gynecology and Obstetrics, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi, China
| | - Xuejiang Guo
- Department of Histology and Embryology, State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, China
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Ubiquitome analysis reveals the involvement of lysine ubiquitination in the spermatogenesis process of adult buffalo (Bubalus bubalis) testis. Biosci Rep 2021; 40:225077. [PMID: 32469046 PMCID: PMC7298129 DOI: 10.1042/bsr20193537] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 05/18/2020] [Accepted: 05/27/2020] [Indexed: 12/20/2022] Open
Abstract
Protein ubiquitination, a major and conserved post-translational modification, is known to play a critical regulatory role in many biological processes in eukaryotes. Although several ubiquitinated proteins have been found in buffalo (Bubalus bubalis) testis in our previous studies, large-scale profiling of buffalo testis ubiquitome has not been reported to date. In the present study, we first identified a global profiling of lysine ubiquitination of adult buffalo testis using a highly sensitive LC-MS/MS coupled with immune-affinity enrichment of ubiquitinated peptides. In total, 422 lysine ubiquitination sites were identified in 262 proteins in adult buffalo testis tissue. Bioinformatics analysis showed that the ubiquitinated proteins are involved in a variety of biological processes and diverse subcellular localizations. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway and protein interaction network analysis indicated that proteasome, glycolysis/gluconeogenesis and gap junction pathways are modulated by protein ubiquitination in testis. Besides, 44 ubiquitinated proteins may involve in spermatogenesis according to the SpermatogenesisOnline database, of which, the ubiquitination of HSPA2 and UCHL1 were confirmed by Immunoprecipitation (IP)/Western blot analysis. Taken together, these data provide a global view of ubiquitome in buffalo testis for the first time, and serve as an important resource for exploring the physiological role especially spermatogenesis of lysine ubiquitination in testis in mammals.
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Zhang P, Huang Y, Fu Q, He W, Xiao K, Zhang M. Integrated analysis of phosphoproteome and ubiquitylome in epididymal sperm of buffalo (Bubalus bubalis). Mol Reprod Dev 2021; 88:15-33. [PMID: 33140506 PMCID: PMC7894524 DOI: 10.1002/mrd.23432] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 09/14/2020] [Accepted: 10/13/2020] [Indexed: 12/20/2022]
Abstract
In mammals, sperm need to mature in the epididymis to gain fertilization competency. However, the molecular mechanism underlying buffalo sperm maturation remains elusive. Exploring sperm physiology at the posttranslational modification (PTM) level could help to develop our understanding of these mechanisms. Protein phosphorylation and ubiquitination are major PTMs in the regulation of many biological processes. In the present study, to our knowledge, we report the first phosphoproteome and ubiquitylome of sperm collected from the caput, corpus, and cauda segments of the epididymis using liquid chromatography-mass spectrometry combined with affinity purification. In total, 647 phosphorylation sites in 294 proteins and 1063 ubiquitination sites in 446 proteins were characterized. Some of these proteins were associated with cellular developmental processes and energy metabolic pathways. Interestingly, 84 proteins were both phosphorylated and ubiquitinated, simultaneously. Some of these proteins were involved in, for example, spermatogenesis, reproduction, and spermatid development. Taken together, these data provide a theoretical basis for further functional analysis of phosphorylation and ubiquitination in epididymal sperm of buffalo and other mammals, and serve as an important resource for exploring the physiological mechanism underlying sperm maturation.
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Affiliation(s)
- Peng‐fei Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐Bioresources, Animal Reproduction InstituteGuangxi UniversityNanningGuangxiChina
| | - Yu‐lin Huang
- Department of Cell and Genetics, College of Basic MedicineGuangxi University of Chinese MedicineNanningGuangxiChina
| | - Qiang Fu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐Bioresources, Animal Reproduction InstituteGuangxi UniversityNanningGuangxiChina
| | - Weng‐tan He
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐Bioresources, Animal Reproduction InstituteGuangxi UniversityNanningGuangxiChina
| | - Kai Xiao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐Bioresources, Animal Reproduction InstituteGuangxi UniversityNanningGuangxiChina
| | - Ming Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐Bioresources, Animal Reproduction InstituteGuangxi UniversityNanningGuangxiChina
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Wang Y, Han X, Zhang L, Cao N, Cao L, Yang L. Early Pregnancy Induces Expression of STAT1, OAS1 and CXCL10 in Ovine Spleen. Animals (Basel) 2019; 9:ani9110882. [PMID: 31671580 PMCID: PMC6912697 DOI: 10.3390/ani9110882] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/25/2019] [Accepted: 10/26/2019] [Indexed: 01/24/2023] Open
Abstract
Interferon-tau is a maternal recognition factor in ruminant species, and spleen plays an essential role in regulating innate and adaptive immune responses. However, it is not fully understood that early pregnancy induces expression of interferon stimulated genes (ISGs) in the spleen during early pregnancy in ewes. In this study, spleens were collected from ewes at day 16 of the estrous cycle, and on days 13, 16, and 25 of gestation (n = 6 for each group), and RT-qPCR, western blot and immunohistochemistry analysis were used to detect the expression of signal transducer and activator of transcription 1 (STAT1), 2',5'-oligoadenylate synthetase 1 (OAS1), myxovirusresistance protein 1 (Mx1) and C-X-C motif chemokine 10 (CXCL10). The results revealed that STAT1, OAS1 and CXCL10 mRNA and proteins were upregulated in the spleens during early pregnancy, and STAT1 protein was located in connective tissue cells in the capsule and trabeculae, and blood cells and lymphocytes in the red pulp. However, early pregnancy had no significant effects on expression of MX1 mRNA and protein. In conclusion, early pregnancy induces expression of STAT1, OAS1 and CXCL10 in maternal spleen, suggesting that maternal spleen is involved in immune regulation of pregnancy in sheep.
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Affiliation(s)
- Yujiao Wang
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China.
| | - Xu Han
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China.
| | - Leying Zhang
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China.
| | - Nan Cao
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China.
| | - Lidong Cao
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China.
| | - Ling Yang
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China.
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Yu GM, Tan W. Melatonin Inhibits Lipopolysaccharide-Induced Inflammation and Oxidative Stress in Cultured Mouse Mammary Tissue. Mediators Inflamm 2019; 2019:8597159. [PMID: 30890898 PMCID: PMC6390262 DOI: 10.1155/2019/8597159] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/30/2018] [Accepted: 11/11/2018] [Indexed: 12/31/2022] Open
Abstract
To determine whether melatonin can protect cultured mouse mammary tissue from lipopolysaccharide- (LPS-) induced damage, we investigated the effects of melatonin on the mRNA and protein levels of proinflammatory cytokines and chemokines in LPS-stimulated mammary tissue in vitro. This study also examined the IgG level in both cultured mammary tissue and the culture medium. In addition, we investigated the potential benefits of melatonin on the expression of antioxidant relative genes following LPS treatment in cultured mammary tissue and evaluated ROS level in the culture medium. The results demonstrate that melatonin inhibited the mRNA expression of TNF-α, IL-1β, IL-6, CXCL1, MCP-1, and RANTES and the production of these cytokines and chemokines and IgG in LPS-stimulated mouse mammary tissue in vitro. In addition, melatonin increased Nrf2 but decreased iNOS and COX-2 mRNA expression after LPS stimulation. Similarly, the decreased level of dityrosine in the culture medium was increased by treatment with melatonin, while increased nitrite level was suppressed. This study confirms that melatonin inhibited LPS-induced inflammation and oxidative stress in cultured mouse mammary tissue. It might contribute to mastitis therapy while treating antibiotic resistance.
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Affiliation(s)
- Guang-Min Yu
- Institute of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Wen Tan
- Institute of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
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Yang L, Liu Y, Lv W, Wang P, Wang B, Xue J, Zhang L. Expression of interferon-stimulated gene 15-kDa protein, cyclooxygenase (COX) 1, COX-2, aldo-keto reductase family 1, member B1, and prostaglandin E synthase in the spleen during early pregnancy in sheep. Anim Sci J 2018; 89:1540-1548. [DOI: 10.1111/asj.13101] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 07/17/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Ling Yang
- Department of Animal Science; College of Life Sciences and Food Engineering; Hebei University of Engineering; Handan China
| | - Yong Liu
- Department of Animal Science; College of Life Sciences and Food Engineering; Hebei University of Engineering; Handan China
| | - Wan Lv
- Department of Animal Science; College of Life Sciences and Food Engineering; Hebei University of Engineering; Handan China
| | - Pengda Wang
- Department of Animal Science; College of Life Sciences and Food Engineering; Hebei University of Engineering; Handan China
| | - Bin Wang
- Department of Animal Science; College of Life Sciences and Food Engineering; Hebei University of Engineering; Handan China
| | - Jie Xue
- Department of Animal Science; College of Life Sciences and Food Engineering; Hebei University of Engineering; Handan China
| | - Leying Zhang
- Department of Animal Science; College of Life Sciences and Food Engineering; Hebei University of Engineering; Handan China
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7
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Yang L, Wang Y, Li S, Zhu M, He K, Yao X, Zhang L. Differential expression of interferon-gamma, IL-4 and IL-10 in peripheral blood mononuclear cells during early pregnancy of the bovine. Reprod Biol 2018; 18:312-315. [PMID: 29960858 DOI: 10.1016/j.repbio.2018.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 06/22/2018] [Accepted: 06/23/2018] [Indexed: 01/06/2023]
Abstract
Maternal systemic immune response is regulated by conceptus-derived signals through peripheral blood mononuclear cells (PBMCs) via blood circulation during early pregnancy in cattle. In this study, the PBMCs from day 18 in non-pregnant cows and days 14, 18 and 30 in pregnant cows were used to explore the expression of interferon-gamma (IFN-γ), interleukin 4 (IL-4) and IL-10, and the plasma progesterone (P4) concentration was also determined. The results showed that the expression levels of mRNA and the protein of IFN-γ were lower and that IL-4 and IL-10 were higher in the PBMCs from the pregnant cows than in those of non-pregnant cows. From this study, early pregnancy induced a lower Th1 immunity (IFN-γ) and a higher Th2 immunity (IL-4 and IL-10) in the PBMCs, which may be related to interferon-tau and P4, thereby contributing to successful pregnancy in cattle.
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Affiliation(s)
- Ling Yang
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China.
| | - Yongxiang Wang
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Shujing Li
- Hebei Province Engineering Technology Research Center of Dairy Cattle Breeding, Shijiazhuang 050051, China
| | - Meixia Zhu
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Kaili He
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Xiaolei Yao
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Leying Zhang
- Department of Animal Science, College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
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Franzin AM, Maruyama SR, Garcia GR, Oliveira RP, Ribeiro JMC, Bishop R, Maia AAM, Moré DD, Ferreira BR, Santos IKFDM. Immune and biochemical responses in skin differ between bovine hosts genetically susceptible and resistant to the cattle tick Rhipicephalus microplus. Parasit Vectors 2017; 10:51. [PMID: 28143523 PMCID: PMC5282843 DOI: 10.1186/s13071-016-1945-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 12/16/2016] [Indexed: 11/17/2022] Open
Abstract
Background Ticks attach to and penetrate their hosts’ skin and inactivate multiple components of host responses in order to acquire a blood meal. Infestation loads with the cattle tick, Rhipicephalus microplus, are heritable: some breeds carry high loads of reproductively successful ticks, whereas in others, few ticks feed and reproduce efficiently. Methods In order to elucidate the mechanisms that result in the different outcomes of infestations with cattle ticks, we examined global gene expression and inflammation induced by tick bites in skins from one resistant and one susceptible breed of cattle that underwent primary infestations with larvae and nymphs of R. microplus. We also examined the expression profiles of genes encoding secreted tick proteins that mediate parasitism in larvae and nymphs feeding on these breeds. Results Functional analyses of differentially expressed genes in the skin suggest that allergic contact-like dermatitis develops with ensuing production of IL-6, CXCL-8 and CCL-2 and is sustained by HMGB1, ISG15 and PKR, leading to expression of pro-inflammatory chemokines and cytokines that recruit granulocytes and T lymphocytes. Importantly, this response is delayed in susceptible hosts. Histopathological analyses of infested skins showed inflammatory reactions surrounding tick cement cones that enable attachment in both breeds, but in genetically tick-resistant bovines they destabilized the cone. The transcription data provided insights into tick-mediated activation of basophils, which have previously been shown to be a key to host resistance in model systems. Skin from tick-susceptible bovines expressed more transcripts encoding enzymes that detoxify tissues. Interestingly, these enzymes also produce volatile odoriferous compounds and, accordingly, skin rubbings from tick-susceptible bovines attracted significantly more tick larvae than rubbings from resistant hosts. Moreover, transcripts encoding secreted modulatory molecules by the tick were significantly more abundant in larval and in nymphal salivary glands from ticks feeding on susceptible bovines. Conclusions Compared with tick-susceptible hosts, genes encoding enzymes producing volatile compounds exhibit significantly lower expression in resistant hosts, which may render them less attractive to larvae; resistant hosts expose ticks to an earlier inflammatory response, which in ticks is associated with significantly lower expression of genes encoding salivary proteins that suppress host immunity, inflammation and coagulation. Electronic supplementary material The online version of this article (doi:10.1186/s13071-016-1945-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alessandra Mara Franzin
- Departament of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Sandra Regina Maruyama
- Departament of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil.,Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, SP, 13565-905, Brazil
| | - Gustavo Rocha Garcia
- Departament of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil
| | - Rosane Pereira Oliveira
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.,Integrative Medicine Program, School of Medicine, University of California Davis, Sacramento, CA, 95817, USA
| | - José Marcos Chaves Ribeiro
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Richard Bishop
- International Livestock Research Institute, Nairobi, Kenya.,Embrapa Pecuária Sudeste, São Carlos, SP, 13560-970, Brazil
| | - Antônio Augusto Mendes Maia
- Department of Basic Sciences, School of Animal Science and Food Technology, University of São Paulo, Pirassununga, SP, 13635-900, Brazil
| | - Daniela Dantas Moré
- Departament of Biochemistry and Immunology, Ribeirão Preto School of Medicine, University of São Paulo, Ribeirão Preto, SP, 14049-900, Brazil.,Department of Veterinary Microbiology & Pathology, Washington State University, Pullman, WA, 99164-7040, USA
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AbdulHameed MDM, Ippolito DL, Stallings JD, Wallqvist A. Mining kidney toxicogenomic data by using gene co-expression modules. BMC Genomics 2016; 17:790. [PMID: 27724849 PMCID: PMC5057266 DOI: 10.1186/s12864-016-3143-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 09/29/2016] [Indexed: 12/15/2022] Open
Abstract
Background Acute kidney injury (AKI) caused by drug and toxicant ingestion is a serious clinical condition associated with high mortality rates. We currently lack detailed knowledge of the underlying molecular mechanisms and biological networks associated with AKI. In this study, we carried out gene co-expression analyses using DrugMatrix—a large toxicogenomics database with gene expression data from rats exposed to diverse chemicals—and identified gene modules associated with kidney injury to probe the molecular-level details of this disease. Results We generated a comprehensive set of gene co-expression modules by using the Iterative Signature Algorithm and found distinct clusters of modules that shared genes and were associated with similar chemical exposure conditions. We identified two module clusters that showed specificity for kidney injury in that they 1) were activated by chemical exposures causing kidney injury, 2) were not activated by other chemical exposures, and 3) contained known AKI-relevant genes such as Havcr1, Clu, and Tff3. We used the genes in these AKI-relevant module clusters to develop a signature of 30 genes that could assess the potential of a chemical to cause kidney injury well before injury actually occurs. We integrated AKI-relevant module cluster genes with protein-protein interaction networks and identified the involvement of immunoproteasomes in AKI. To identify biological networks and processes linked to Havcr1, we determined genes within the modules that frequently co-express with Havcr1, including Cd44, Plk2, Mdm2, Hnmt, Macrod1, and Gtpbp4. We verified this procedure by showing that randomized data did not identify Havcr1 co-expression genes and that excluding up to 10 % of the data caused only minimal degradation of the gene set. Finally, by using an external dataset from a rat kidney ischemic study, we showed that the frequently co-expressed genes of Havcr1 behaved similarly in a model of non-chemically induced kidney injury. Conclusions Our study demonstrated that co-expression modules and co-expressed genes contain rich information for generating novel biomarker hypotheses and constructing mechanism-based molecular networks associated with kidney injury. Electronic supplementary material The online version of this article (doi:10.1186/s12864-016-3143-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Mohamed Diwan M AbdulHameed
- Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, U.S. Army Medical Research and Materiel Command, 504 Scott Street, Fort Detrick, MD, 21702, USA
| | - Danielle L Ippolito
- U.S. Army Center for Environmental Health Research, 568 Doughten Drive, Fort Detrick, MD, 21702, USA
| | - Jonathan D Stallings
- U.S. Army Center for Environmental Health Research, 568 Doughten Drive, Fort Detrick, MD, 21702, USA
| | - Anders Wallqvist
- Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, U.S. Army Medical Research and Materiel Command, 504 Scott Street, Fort Detrick, MD, 21702, USA.
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Yang L, Y. Zhang L, Y. Qiao H, Liu N, X. Wang Y, J. Li S. Maternal Immune Regulation by Conceptus During Early Pregnancy in the Bovine. ACTA ACUST UNITED AC 2014. [DOI: 10.3923/ajava.2014.610.620] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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11
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Wagner SA, Beli P, Weinert BT, Schölz C, Kelstrup CD, Young C, Nielsen ML, Olsen JV, Brakebusch C, Choudhary C. Proteomic analyses reveal divergent ubiquitylation site patterns in murine tissues. Mol Cell Proteomics 2012; 11:1578-85. [PMID: 22790023 PMCID: PMC3518112 DOI: 10.1074/mcp.m112.017905] [Citation(s) in RCA: 229] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Posttranslational modifications of proteins increase the complexity of the cellular proteome and enable rapid regulation of protein functions in response to environmental changes. Protein ubiquitylation is a central regulatory posttranslational modification that controls numerous biological processes including proteasomal degradation of proteins, DNA damage repair and innate immune responses. Here we combine high-resolution mass spectrometry with single-step immunoenrichment of di-glycine modified peptides for mapping of endogenous putative ubiquitylation sites in murine tissues. We identify more than 20,000 unique ubiquitylation sites on proteins involved in diverse biological processes. Our data reveals that ubiquitylation regulates core signaling pathways common for each of the studied tissues. In addition, we discover that ubiquitylation regulates tissue-specific signaling networks. Many tissue-specific ubiquitylation sites were obtained from brain highlighting the complexity and unique physiology of this organ. We further demonstrate that different di-glycine-lysine-specific monoclonal antibodies exhibit sequence preferences, and that their complementary use increases the depth of ubiquitylation site analysis, thereby providing a more unbiased view of protein ubiquitylation.
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Affiliation(s)
- Sebastian A Wagner
- Department of Proteomics, The NNF Center for Protein Research, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3B, DK-2200 Copenhagen, Denmark
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