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Gong Z, Zhang X, Cui J, Chen W, Huang X, Yang Q, Li T, Zhang W. IFRD2, a target of miR-2400, regulates myogenic differentiation of bovine skeletal muscle satellite cells via decreased phosphorylation of ERK1/2 proteins. J Muscle Res Cell Motil 2024:10.1007/s10974-024-09677-5. [PMID: 38896394 DOI: 10.1007/s10974-024-09677-5] [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: 04/21/2024] [Accepted: 06/13/2024] [Indexed: 06/21/2024]
Abstract
The proliferation and differentiation of skeletal muscle satellite cells is a complex physiological process involving various transcription factors and small RNA molecules. This study aimed to understand the regulatory mechanisms underlying these processes, focusing on interferon-related development factor 2 (IFRD2) as a target gene of miRNA-2400 in bovine skeletal MuSCs (MuSCs). IFRD2 was identified as a target gene of miRNA-2400 involved in regulating the proliferation and differentiation of bovine skeletal MuSCs. Our results indicate that miR-2400 can target binding the 3'UTR of IFRD2 and inhibit its translation. mRNA and protein expression levels of IFRD2 increased significantly with increasing days of differentiation. Moreover, overexpression of the IFRD2 gene inhibited proliferation and promoted differentiation of bovine MuSCs. Conversely, the knockdown of the gene had the opposite effect. Overexpression of IFRD2 resulted in the inhibition of ERK1/2 phosphorylation levels in bovine MuSCs, which in turn promoted differentiation. In summary, IFRD2, as a target gene of miR-2400, crucially affects bovine skeletal muscle proliferation and differentiation by precisely regulating ERK1/2 phosphorylation.
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Affiliation(s)
- Zhian Gong
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China
| | - Xiaoyu Zhang
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China
| | - Jingxuan Cui
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China
| | - Wen Chen
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China
| | - Xin Huang
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China
- Key Laboratory of Resistance Gene Engineering and Protection of Biodiversity in Cold Areas, Qiqihar, Heilongjiang Province, 161000, PR China
| | - Qingzhu Yang
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China
- Key Laboratory of Resistance Gene Engineering and Protection of Biodiversity in Cold Areas, Qiqihar, Heilongjiang Province, 161000, PR China
| | - Tie Li
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China
| | - Weiwei Zhang
- Department of Life Science and Agroforestry, Qiqihar University, No. 42 Wenhua Street, Jianhua District, Qiqihar, 161000, PR China.
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Nevo S, Frenkel N, Kadouri N, Gome T, Rosenthal N, Givony T, Avin A, Peligero Cruz C, Kedmi M, Lindzen M, Ben Dor S, Damari G, Porat Z, Haffner-Krausz R, Keren-Shaul H, Yarden Y, Munitz A, Leshkowitz D, Goldfarb Y, Abramson J. Tuft cells and fibroblasts promote thymus regeneration through ILC2-mediated type 2 immune response. Sci Immunol 2024; 9:eabq6930. [PMID: 38215193 DOI: 10.1126/sciimmunol.abq6930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 11/15/2023] [Indexed: 01/14/2024]
Abstract
The thymus is a primary lymphoid organ that is essential for the establishment of adaptive immunity through generation of immunocompetent T cells. In response to various stress signals, the thymus undergoes acute but reversible involution. However, the mechanisms governing its recovery are incompletely understood. Here, we used a dexamethasone-induced acute thymic involution mouse model to investigate how thymic hematopoietic cells (excluding T cells) contribute to thymic regeneration. scRNA-seq analysis revealed marked transcriptional and cellular changes in various thymic populations and highlighted thymus-resident innate lymphoid cells type 2 (ILC2) as a key cell type involved in the response to damage. We identified that ILC2 are activated by the alarmins IL-25 and IL-33 produced in response to tissue damage by thymic tuft cells and fibroblasts, respectively. Moreover, using mouse models deficient in either tuft cells and/or IL-33, we found that these alarmins are required for effective thymus regeneration after dexamethasone-induced damage. We also demonstrate that upon their damage-dependent activation, thymic ILC2 produce several effector molecules linked to tissue regeneration, such as amphiregulin and IL-13, which in turn promote thymic epithelial cell differentiation. Collectively, our study elucidates a previously undescribed role for thymic tuft cells and fibroblasts in thymus regeneration through activation of the type 2 immune response.
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Affiliation(s)
- Shir Nevo
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Noga Frenkel
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Noam Kadouri
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Tom Gome
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Noa Rosenthal
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Tal Givony
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Ayelet Avin
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Cristina Peligero Cruz
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, Institute for Health Science Research Germans Trias i Pujol (IGTP), Badalona, Spain
| | - Merav Kedmi
- Genomics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Moshit Lindzen
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Shifra Ben Dor
- Bioinformatics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Golda Damari
- Department of Veterinary Resources, Weizmann Institute of Science, Rehovot, Israel
| | - Ziv Porat
- Flow Cytometry Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | | | - Hadas Keren-Shaul
- Genomics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Yosef Yarden
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Ariel Munitz
- Department of Microbiology and Clinical Immunology, Sackler School of Medicine, Tel-Aviv University, Tel Aviv, Israel
| | - Dena Leshkowitz
- Bioinformatics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Yael Goldfarb
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Jakub Abramson
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
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Jing K, Mipam TD, Zhang P, Peng W, Wang M, Yue B, Chen X, Wang J, Shu S, Fu C, Zhong J, Cai X. Transcriptomic analysis of yak longissimus dorsi muscle identifies genes associated with tenderness. Anim Biotechnol 2023; 34:3978-3987. [PMID: 37593948 DOI: 10.1080/10495398.2023.2248493] [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] [Indexed: 08/19/2023]
Abstract
Meat tenderness is an important sensory index when consumers choose meat products, which determines the value of meat products and consumers' buying intentions. Yak meat is rich in nutrition and unique in flavor, which is favored by consumers. However, its meat has the deficiencies of low tenderness and poor taste, which has a negative impact on the value of its meat products and customer satisfaction. To identify the genes affecting the yak meat tenderness, we used RNA-seq to analyze the longissimus dorsi muscle of yaks with different tenderness, screened a total of 1120 differentially expressed genes (DEGs). Meanwhile, 23 pathways were significantly enriched. By further analysis, we identified eight genes related to yak meat tenderness (WNT5A, ARID5B, SERPINE1 KLHL40, RUNX1, MAFF, RFX7 and ARID5A). Notably, SERPINE1 was involved in the significant enrichment pathways of 'complement and coagulation cascade pathway', 'HIF-1 signaling pathway' and 'AGE-RAGE signaling pathway in diabetic complications' which can regulate meat tenderness. This implies that SERPINE1 may play an important regulatory role among them. The DEGs associated with yak meat quality screened in this work will be helpful to identify potential biomarkers related to meat tenderness.
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Affiliation(s)
- Kemin Jing
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Tserang Donko Mipam
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Peng Zhang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Wei Peng
- Qinghai Academy of Animal and Veterinary Science, Qinghai University, Xining, People's Republic of China
| | - Mingxiu Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Binglin Yue
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Xuemei Chen
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Jiabo Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Shi Shu
- Qinghai Academy of Animal and Veterinary Science, Qinghai University, Xining, People's Republic of China
| | - Changqi Fu
- Qinghai Academy of Animal and Veterinary Science, Qinghai University, Xining, People's Republic of China
| | - Jincheng Zhong
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
| | - Xin Cai
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu, People's Republic of China
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Mann MW, Fu Y, Gearhart RL, Xu X, Roberts DS, Li Y, Zhou J, Ge Y, Brasier AR. Bromodomain-containing Protein 4 regulates innate inflammation via modulation of alternative splicing. Front Immunol 2023; 14:1212770. [PMID: 37435059 PMCID: PMC10331468 DOI: 10.3389/fimmu.2023.1212770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/05/2023] [Indexed: 07/13/2023] Open
Abstract
Introduction Bromodomain-containing Protein 4 (BRD4) is a transcriptional regulator which coordinates gene expression programs controlling cancer biology, inflammation, and fibrosis. In the context of airway viral infection, BRD4-specific inhibitors (BRD4i) block the release of pro-inflammatory cytokines and prevent downstream epithelial plasticity. Although the chromatin modifying functions of BRD4 in inducible gene expression have been extensively investigated, its roles in post-transcriptional regulation are not well understood. Given BRD4's interaction with the transcriptional elongation complex and spliceosome, we hypothesize that BRD4 is a functional regulator of mRNA processing. Methods To address this question, we combine data-independent analysis - parallel accumulation-serial fragmentation (diaPASEF) with RNA-sequencing to achieve deep and integrated coverage of the proteomic and transcriptomic landscapes of human small airway epithelial cells exposed to viral challenge and treated with BRD4i. Results We discover that BRD4 regulates alternative splicing of key genes, including Interferon-related Developmental Regulator 1 (IFRD1) and X-Box Binding Protein 1 (XBP1), related to the innate immune response and the unfolded protein response (UPR). We identify requirement of BRD4 for expression of serine-arginine splicing factors, splicosome components and the Inositol-Requiring Enzyme 1 IREα affecting immediate early innate response and the UPR. Discussion These findings extend the transcriptional elongation-facilitating actions of BRD4 in control of post-transcriptional RNA processing via modulating splicing factor expression in virus-induced innate signaling.
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Affiliation(s)
- Morgan W. Mann
- Department of Medicine, University of Wisconsin – Madison, Madison, WI, United States
| | - Yao Fu
- Department of Medicine, University of Wisconsin – Madison, Madison, WI, United States
| | - Robert L. Gearhart
- Department of Chemistry, University of Wisconsin – Madison, Madison, WI, United States
| | - Xiaofang Xu
- Department of Medicine, University of Wisconsin – Madison, Madison, WI, United States
| | - David S. Roberts
- Department of Chemistry, University of Wisconsin – Madison, Madison, WI, United States
| | - Yi Li
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, United States
| | - Jia Zhou
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, United States
| | - Ying Ge
- Department of Chemistry, University of Wisconsin – Madison, Madison, WI, United States
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, WI, United States
- Human Proteomics Program, University of Wisconsin-Madison, Madison, WI, United States
| | - Allan R. Brasier
- Department of Medicine, University of Wisconsin – Madison, Madison, WI, United States
- Institute for Clinical and Translational Research, University of Wisconsin-Madison, Madison, WI, United States
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5
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Mann M, Fu Y, Xu X, Roberts DS, Li Y, Zhou J, Ge Y, Brasier AR. Bromodomain-containing Protein 4 Regulates Innate Inflammation in Airway Epithelial Cells via Modulation of Alternative Splicing. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.17.524257. [PMID: 36711789 PMCID: PMC9882210 DOI: 10.1101/2023.01.17.524257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Bromodomain-containing Protein 4 (BRD4) is a transcriptional regulator which coordinates gene expression programs controlling cancer biology, inflammation, and fibrosis. In airway viral infection, non-toxic BRD4-specific inhibitors (BRD4i) block the release of pro-inflammatory cytokines and prevent downstream remodeling. Although the chromatin modifying functions of BRD4 in inducible gene expression have been extensively investigated, its roles in post-transcriptional regulation are not as well understood. Based on its interaction with the transcriptional elongation complex and spliceosome, we hypothesize that BRD4 is a functional regulator of mRNA processing. To address this question, we combine data-independent analysis - parallel accumulation-serial fragmentation (diaPASEF) with RNA-sequencing to achieve deep and integrated coverage of the proteomic and transcriptomic landscapes of human small airway epithelial cells exposed to viral challenge and treated with BRD4i. The transcript-level data was further interrogated for alternative splicing analysis, and the resulting data sets were correlated to identify pathways subject to post-transcriptional regulation. We discover that BRD4 regulates alternative splicing of key genes, including Interferon-related Developmental Regulator 1 ( IFRD1 ) and X-Box Binding Protein 1 ( XBP1 ), related to the innate immune response and the unfolded protein response, respectively. These findings extend the transcriptional elongation-facilitating actions of BRD4 in control of post-transcriptional RNA processing in innate signaling.
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Affiliation(s)
- Morgan Mann
- Department of Medicine, University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA
| | - Yao Fu
- Department of Medicine, University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA
| | - Xiaofang Xu
- Department of Medicine, University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA
| | - David S. Roberts
- Department of Chemistry, University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA
| | - Yi Li
- Department of Pharmacology and Toxicology, University of Texas, Medical Branch, Galveston, 77550, Texas, USA
| | - Jia Zhou
- Department of Pharmacology and Toxicology, University of Texas, Medical Branch, Galveston, 77550, Texas, USA
| | - Ying Ge
- Department of Chemistry, University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA,Human Proteomics Program, University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA,Department of Cell and Regenerative Biology, University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA
| | - Allan R. Brasier
- Institute for Clinical and Translational Research (ICTR), University of Wisconsin – Madison, Madison, 53705, Wisconsin, USA
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6
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Han H, Wang X, Li W, Liu J, Fan Y, Zhang H, Yang J, Gao Y, Liu Y. Identification and Characterization of lncRNAs Expression Profile Related to Goat Skeletal Muscle at Different Development Stages. Animals (Basel) 2022; 12:ani12192683. [PMID: 36230427 PMCID: PMC9558979 DOI: 10.3390/ani12192683] [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: 08/24/2022] [Revised: 10/01/2022] [Accepted: 10/03/2022] [Indexed: 11/24/2022] Open
Abstract
LncRNAs are essential for regulating skeletal muscle. However, the expression profile and function of lncRNAs in goat muscle remains unclear. Here, an average of ~14.58 Gb high-quality reads were obtained from longissimus dorsi tissues of 1-month-old (n = 3) and 9-month-old (n = 3) Wu'an black goats using RNA sequencing. Of a total of 3441 lncRNAs, 1281 were lincRNAs, 805 were antisense lncRNAs, and 1355 were sense_overlapping lncRNAs. These lncRNAs shared some properties with goats, such as fewer exons, shorter transcript, and open reading frames (ORFs) length. Among them, 36 differentially expressed lncRNAs (DE lncRNA) were identified, and then 10 random lncRNAs were validated by RT-qPCR. Furthermore, 30 DE lncRNAs were neighboring 71 mRNAs and several genes were functionally enriched in muscle development-related pathways, such as APC, IFRD1, NKX2-5, and others. Additionally, 36 DE lncRNAs and 2684 mRNAs were included in co-expression interactions. A lncRNA-miRNA-mRNA network containing 4 lncRNAs, 3 miRNAs, and 8 mRNAs was finally constructed, of which XR_001296113.2 might regulate PDLIM7 expression by interaction with chi-miR-1296 to affect skeletal muscle development. This study revealed the expression profile of goat lncRNAs for further investigative studies and provides a fuller understanding of skeletal muscle development.
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Affiliation(s)
- Haiyin Han
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Xianwei Wang
- Henan Animal Husbandry Service, Zhengzhou 450046, China
| | - Wentao Li
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Jiannan Liu
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan 056021, China
| | - Yekai Fan
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Hui Zhang
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Junqi Yang
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
| | - Yahui Gao
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
- Correspondence: (Y.G.); (Y.L.); Tel./Fax: +86-0310-8573021 (Y.G.); +86-0310-8573009 (Y.L.)
| | - Yufang Liu
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, China
- Correspondence: (Y.G.); (Y.L.); Tel./Fax: +86-0310-8573021 (Y.G.); +86-0310-8573009 (Y.L.)
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Comparative Transcriptomic Analysis of mRNAs, miRNAs and lncRNAs in the Longissimus dorsi Muscles between Fat-Type and Lean-Type Pigs. Biomolecules 2022; 12:biom12091294. [PMID: 36139132 PMCID: PMC9496231 DOI: 10.3390/biom12091294] [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: 06/26/2022] [Revised: 09/05/2022] [Accepted: 09/09/2022] [Indexed: 11/24/2022] Open
Abstract
In pigs, meat quality and production are two important traits affecting the pig industry and human health. Compared to lean-type pigs, fat-type pigs contain higher intramuscular fat (IMF) contents, better taste and nutritional value. To uncover genetic factors controlling differences related to IMF in pig muscle, we performed RNA-seq analysis on the transcriptomes of the Longissimus dorsi (LD) muscle of Laiwu pigs (LW, fat-type pigs) and commercial Duroc × Landrace × Yorkshire pigs (DLY, lean-type pigs) at 150 d to compare the expression profiles of mRNA, miRNA and lncRNA. A total of 225 mRNAs, 12 miRNAs and 57 lncRNAs were found to be differentially expressed at the criteria of |log2(foldchange)| > 1 and q < 0.05. The mRNA expression of LDHB was significantly higher in the LD muscle of LW compared to DLY pigs with log2(foldchange) being 9.66. Using protein interaction prediction method, we identified more interactions of estrogen-related receptor alpha (ESRRA) associated with upregulated mRNAs, whereas versican (VCAN) and proenkephalin (PENK) were associated with downregulated mRNAs in LW pigs. Integrated analysis on differentially expressed (DE) mRNAs and miRNAs in the LD muscle between LW and DLY pigs revealed two network modules: between five upregulated mRNA genes (GALNT15, FKBP5, PPARGC1A, LOC110258214 and LOC110258215) and six downregulated miRNA genes (ssc-let-7a, ssc-miR190-3p, ssc-miR356-5p, ssc-miR573-5p, ssc-miR204-5p and ssc-miR-10383), and between three downregulated DE mRNA genes (IFRD1, LOC110258600 and LOC102158401) and six upregulated DE miRNA genes (ssc-miR1379-3p, ssc-miR1379-5p, ssc-miR397-5p, ssc-miR1358-5p, ssc-miR299-5p and ssc-miR1156-5p) in LW pigs. Based on the mRNA and ncRNA binding site targeting database, we constructed a regulatory network with miRNA as the center and mRNA and lncRNA as the target genes, including GALNT15/ssc-let-7a/LOC100523888, IFRD1/ssc-miR1379-5p/CD99, etc., forming a ceRNA network in the LD muscles that are differentially expressed between LW and DLY pigs. Collectively, these data may provide resources for further investigation of molecular mechanisms underlying differences in meat traits between lean- and fat-type pigs.
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Zhu JJ, Stenfeldt C, Bishop EA, Canter JA, Eschbaumer M, Rodriguez LL, Arzt J. Inferred Causal Mechanisms of Persistent FMDV Infection in Cattle from Differential Gene Expression in the Nasopharyngeal Mucosa. Pathogens 2022; 11:pathogens11080822. [PMID: 35894045 PMCID: PMC9329776 DOI: 10.3390/pathogens11080822] [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: 06/27/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 02/05/2023] Open
Abstract
Foot-and-mouth disease virus (FMDV) can persistently infect pharyngeal epithelia in ruminants but not in pigs. Our previous studies demonstrated that persistent FMDV infection in cattle was associated with under-expression of several chemokines that recruit immune cells. This report focuses on the analysis of differentially expressed genes (DEG) identified during the transitional phase of infection, defined as the period when animals diverge between becoming carriers or terminators. During this phase, Th17-stimulating cytokines (IL6 and IL23A) and Th17-recruiting chemokines (CCL14 and CCL20) were upregulated in animals that were still infected (transitional carriers) compared to those that had recently cleared infection (terminators), whereas chemokines recruiting neutrophils and CD8+ T effector cells (CCL3 and ELR+CXCLs) were downregulated. Upregulated Th17-specific receptor, CCR6, and Th17-associated genes, CD146, MIR155, and ThPOK, suggested increased Th17 cell activity in transitional carriers. However, a complex interplay of the Th17 regulatory axis was indicated by non-significant upregulation of IL17A and downregulation of IL17F, two hallmarks of TH17 activity. Other DEG suggested that transitional carriers had upregulated aryl hydrocarbon receptor (AHR), non-canonical NFκB signaling, and downregulated canonical NFκB signaling. The results described herein provide novel insights into the mechanisms of establishment of FMDV persistence. Additionally, the fact that ruminants, unlike pigs, produce a large amount of AHR ligands suggests a plausible explanation of why FMDV persists in ruminants, but not in pigs.
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Affiliation(s)
- James J. Zhu
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Correspondence: (J.J.Z.); (J.A.); Tel.: +1-631-323-3340 (J.J.Z.); +1-631-323-4421 (J.A.); Fax: +1-631-323-3006 (J.A.)
| | - Carolina Stenfeldt
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Department of Diagnostic Medicine/Pathobiology, Kansas State University, Manhattan, KS 66506, USA
| | - Elizabeth A. Bishop
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
| | - Jessica A. Canter
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Plum Island Animal Disease Center Research Participation Program, Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN 37830, USA
| | - Michael Eschbaumer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany;
| | - Luis L. Rodriguez
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
| | - Jonathan Arzt
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Correspondence: (J.J.Z.); (J.A.); Tel.: +1-631-323-3340 (J.J.Z.); +1-631-323-4421 (J.A.); Fax: +1-631-323-3006 (J.A.)
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9
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Mobeen A, Puniya BL, Ramachandran S. A computational approach to investigate constitutive activation of
NF‐κB. Proteins 2022; 90:1944-1964. [DOI: 10.1002/prot.26388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 05/12/2022] [Accepted: 05/23/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Ahmed Mobeen
- CSIR – Institute of Genomics & Integrative Biology, Sukhdev Vihar New Delhi India
- Academy of Scientific & Innovative Research (AcSIR) Ghaziabad Uttar Pradesh India
| | - Bhanwar Lal Puniya
- Department of Biochemistry University of Nebraska‐Lincoln Lincoln Nebraska USA
| | - Srinivasan Ramachandran
- CSIR – Institute of Genomics & Integrative Biology, Sukhdev Vihar New Delhi India
- Academy of Scientific & Innovative Research (AcSIR) Ghaziabad Uttar Pradesh India
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10
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Micheli L, Creanza TM, Ceccarelli M, D'Andrea G, Giacovazzo G, Ancona N, Coccurello R, Scardigli R, Tirone F. Transcriptome Analysis in a Mouse Model of Premature Aging of Dentate Gyrus: Rescue of Alpha-Synuclein Deficit by Virus-Driven Expression or by Running Restores the Defective Neurogenesis. Front Cell Dev Biol 2021; 9:696684. [PMID: 34485283 PMCID: PMC8415876 DOI: 10.3389/fcell.2021.696684] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 07/21/2021] [Indexed: 02/05/2023] Open
Abstract
The dentate gyrus of the hippocampus and the subventricular zone are neurogenic niches where neural stem and progenitor cells replicate throughout life to generate new neurons. The Btg1 gene maintains the stem cells of the neurogenic niches in quiescence. The deletion of Btg1 leads to an early transient increase of stem/progenitor cells division, followed, however, by a decrease during adulthood of their proliferative capability, accompanied by apoptosis. Since a physiological decrease of neurogenesis occurs during aging, the Btg1 knockout mouse may represent a model of neural aging. We have previously observed that the defective neurogenesis of the Btg1 knockout model is rescued by the powerful neurogenic stimulus of physical exercise (running). To identify genes responsible for stem and progenitor cells maintenance, we sought here to find genes underlying this premature neural aging, and whose deregulated expression could be rescued by running. Through RNA sequencing we analyzed the transcriptomic profiles of the dentate gyrus isolated from Btg1 wild-type or Btg1 knockout adult (2-month-old) mice submitted to physical exercise or sedentary. In Btg1 knockout mice, 545 genes were deregulated, relative to wild-type, while 2081 genes were deregulated by running. We identified 42 genes whose expression was not only down-regulated in the dentate gyrus of Btg1 knockout, but was also counter-regulated to control levels by running in Btg1 knockout mice, vs. sedentary. Among these 42 counter-regulated genes, alpha-synuclein (Snca), Fos, Arc and Npas4 showed significantly greater differential regulation. These genes control neural proliferation, apoptosis, plasticity and memory and are involved in aging. In particular, Snca expression decreases during aging. We tested, therefore, whether an Snca-expressing lentivirus, by rescuing the defective Snca levels in the dentate gyrus of Btg1 knockout mice, could also reverse the aging phenotype, in particular the defective neurogenesis. We found that the exogenous expression of Snca reversed the Btg1 knockout-dependent decrease of stem cell proliferation as well as the increase of progenitor cell apoptosis. This indicates that Snca has a functional role in the process of neural aging observed in this model, and also suggests that Snca acts as a positive regulator of stem cell maintenance.
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Affiliation(s)
- Laura Micheli
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
| | - Teresa Maria Creanza
- Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, National Research Council, Bari, Italy
| | - Manuela Ceccarelli
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
| | - Giorgio D'Andrea
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
| | - Giacomo Giacovazzo
- Preclinical Neuroscience, European Center for Brain Research (CERC)/IRCCS Santa Lucia Foundation, Rome, Italy
| | - Nicola Ancona
- Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing, National Research Council, Bari, Italy
| | - Roberto Coccurello
- Preclinical Neuroscience, European Center for Brain Research (CERC)/IRCCS Santa Lucia Foundation, Rome, Italy.,Institute for Complex Systems, National Research Council, Rome, Italy
| | - Raffaella Scardigli
- Institute of Translational Pharmacology, National Research Council, Rome, Italy
| | - Felice Tirone
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
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11
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Comparative transcriptome analysis of the gills and hepatopancreas from Macrobrachium rosenbergii exposed to the heavy metal Cadmium (Cd 2+). Sci Rep 2021; 11:16140. [PMID: 34373575 PMCID: PMC8352946 DOI: 10.1038/s41598-021-95709-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 07/22/2021] [Indexed: 11/18/2022] Open
Abstract
Heavy metal Cadmium (Cd2+) pollution has become a severe environmental problem for aquatic organisms. In crustaceans, gills (Gi) and hepatopancreas (Hp) play a vital role in the toxicology. However, in Macrobrachium rosenbergill, there are few researches about gill and hepatopancreases responding to Cd2+ stress at a molecular level. In this study, transcriptomic analysis was applied to characterize gene expression profiles of gills and hepatopancreas of M. rosenbergill after Cd2+ exposure for 0 h, 3 h and 3 d. Six cDNA libraries (Gi 0 h, Gi 3 h, Gi 3 d, Hp 0 h, Hp 3 h, and Hp 3 d) were constructed and a total of 66,676 transcripts and 48,991 unigenes were annotated. Furthermore, differentially expressed genes (DEGs) were isolated by comparing the Cd2+ treated time-point libraries (3 h and 3 d group) with the control library (0 h group). The results showed that most of the DEGs were down-regulated after Cd2+ exposure and the number of DEGs among gill groups were significantly higher than those among hepatopancreas groups. GO functional and KEGG pathway analysis suggested many key DEGs in response to the Cd2+ stress, such as metallothionein and Hemocyanin. Additionally, a total of six DEGs were randomly selected to further identify their expressional profile by qPCR. The results indicated that these DEGs were involved in the response to Cd2+. This comparative transcriptome provides valuable molecular information on the mechanisms of responding to Cd2+ stress in M. rosenbergii, which lays the foundation for further understanding of heavy metal stress.
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de Carvalho AETS, Cordeiro MA, Rodrigues LS, Ortolani D, Spadari RC. Stress-induced differential gene expression in cardiac tissue. Sci Rep 2021; 11:9129. [PMID: 33911098 PMCID: PMC8080723 DOI: 10.1038/s41598-021-88267-8] [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: 01/05/2021] [Accepted: 02/17/2021] [Indexed: 11/09/2022] Open
Abstract
The stress response is adaptive and aims to guarantee survival. However, the persistence of a stressor can culminate in pathology. Catecholamines released as part of the stress response over activate beta adrenoceptors (β-AR) in the heart. Whether and how stress affects the expression of components of the intracellular environment in the heart is still, however, unknown. This paper used microarray to analyze the gene expression in the left ventricle wall of rats submitted to foot shock stress, treated or not treated with the selective β2-AR antagonist ICI118,551 (ICI), compared to those of non-stressed rats also treated or not with ICI, respectively. The main findings were that stress induces changes in gene expression in the heart and that β2-AR plays a role in this process. The vast majority of genes disregulated by stress were exclusive for only one of the comparisons, indicating that, in the same stressful situation, the profile of gene expression in the heart is substantially different when the β2-AR is active or when it is blocked. Stress induced alterations in the expression of such a large number of genes seems to be part of stress-induced adaptive mechanism.
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Affiliation(s)
- Ana Elisa T S de Carvalho
- Laboratory of Stress Biology, Department of Biosciences, Institute of Health and Society, Campus Baixada Santista, Federal University of São Paulo (UNIFESP), Rua Silva Jardim,136, sala 310, Santos, São Paulo, 11020-015, Brazil.
| | - Marco A Cordeiro
- Laboratory of Stress Biology, Department of Biosciences, Institute of Health and Society, Campus Baixada Santista, Federal University of São Paulo (UNIFESP), Rua Silva Jardim,136, sala 310, Santos, São Paulo, 11020-015, Brazil
| | - Luana S Rodrigues
- Laboratory of Stress Biology, Department of Biosciences, Institute of Health and Society, Campus Baixada Santista, Federal University of São Paulo (UNIFESP), Rua Silva Jardim,136, sala 310, Santos, São Paulo, 11020-015, Brazil
| | - Daniela Ortolani
- Laboratory of Stress Biology, Department of Biosciences, Institute of Health and Society, Campus Baixada Santista, Federal University of São Paulo (UNIFESP), Rua Silva Jardim,136, sala 310, Santos, São Paulo, 11020-015, Brazil
| | - Regina C Spadari
- Laboratory of Stress Biology, Department of Biosciences, Institute of Health and Society, Campus Baixada Santista, Federal University of São Paulo (UNIFESP), Rua Silva Jardim,136, sala 310, Santos, São Paulo, 11020-015, Brazil.
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Leal-Gutiérrez JD, Elzo MA, Carr C, Mateescu RG. RNA-seq analysis identifies cytoskeletal structural genes and pathways for meat quality in beef. PLoS One 2020; 15:e0240895. [PMID: 33175867 PMCID: PMC7657496 DOI: 10.1371/journal.pone.0240895] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 10/05/2020] [Indexed: 01/03/2023] Open
Abstract
RNA sequencing (RNA-seq) has allowed for transcriptional profiling of biological systems through the identification of differentially expressed (DE) genes and pathways. A total of 80 steers with extreme phenotypes were selected from the University of Florida multibreed Angus-Brahman herd. The average slaughter age was 12.91±8.69 months. Tenderness, juiciness and connective tissue assessed by sensory panel, along with marbling, Warner-Bratzler Shear Force (WBSF) and cooking loss, were measured in longissimus dorsi muscle. Total RNA was extracted from muscle and one RNA-seq library per sample was constructed, multiplexed, and sequenced based on protocols by Illumina HiSeq-3000 platform to generate 2×101 bp paired-end reads. The overall read mapping rate using the Btau_4.6.1 reference genome was 63%. A total of 8,799 genes were analyzed using two different methodologies, an expression association and a DE analysis. A gene and exon expression association analysis was carried out using a meat quality index on all 80 samples as a continuous response variable. The expression of 208 genes and 3,280 exons from 1,565 genes was associated with the meat quality index (p-value ≤ 0.05). A gene and isoform DE evaluation was performed analyzing two groups with extreme WBSF, tenderness and marbling. A total of 676 (adjusted p-value≤0.05), 70 (adjusted p-value≤0.1) and 198 (adjusted p-value≤0.1) genes were DE for WBSF, tenderness and marbling, respectively. A total of 106 isoforms from 98 genes for WBSF, 13 isoforms from 13 genes for tenderness and 43 isoforms from 42 genes for marbling (FDR≤0.1) were DE. Cytoskeletal and transmembrane anchoring genes and pathways were identified in the expression association, DE and the gene enrichment analyses; these proteins can have a direct effect on meat quality. Cytoskeletal proteins and transmembrane anchoring molecules can influence meat quality by allowing cytoskeletal interaction with myocyte and organelle membranes, contributing to cytoskeletal structure and architecture maintenance postmortem.
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Affiliation(s)
- Joel D. Leal-Gutiérrez
- Department of Animal Sciences, University of Florida, Gainesville, Florida, United States of America
- * E-mail:
| | - Mauricio A. Elzo
- Department of Animal Sciences, University of Florida, Gainesville, Florida, United States of America
| | - Chad Carr
- Department of Animal Sciences, University of Florida, Gainesville, Florida, United States of America
| | - Raluca G. Mateescu
- Department of Animal Sciences, University of Florida, Gainesville, Florida, United States of America
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14
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Miao ZF, Lewis MA, Cho CJ, Adkins-Threats M, Park D, Brown JW, Sun JX, Burclaff JR, Kennedy S, Lu J, Mahar M, Vietor I, Huber LA, Davidson NO, Cavalli V, Rubin DC, Wang ZN, Mills JC. A Dedicated Evolutionarily Conserved Molecular Network Licenses Differentiated Cells to Return to the Cell Cycle. Dev Cell 2020; 55:178-194.e7. [PMID: 32768422 DOI: 10.1016/j.devcel.2020.07.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/04/2020] [Accepted: 07/11/2020] [Indexed: 02/06/2023]
Abstract
Differentiated cells can re-enter the cell cycle to repair tissue damage via a series of discrete morphological and molecular stages coordinated by the cellular energetics regulator mTORC1. We previously proposed the term "paligenosis" to describe this conserved cellular regeneration program. Here, we detail a molecular network regulating mTORC1 during paligenosis in both mouse pancreatic acinar and gastric chief cells. DDIT4 initially suppresses mTORC1 to induce autodegradation of differentiated cell components and damaged organelles. Later in paligenosis, IFRD1 suppresses p53 accumulation. Ifrd1-/- cells do not complete paligenosis because persistent p53 prevents mTORC1 reactivation and cell proliferation. Ddit4-/- cells never suppress mTORC1 and bypass the IFRD1 checkpoint on proliferation. Previous reports and our current data implicate DDIT4/IFRD1 in governing paligenosis in multiple organs and species. Thus, we propose that an evolutionarily conserved, dedicated molecular network has evolved to allow differentiated cells to re-enter the cell cycle (i.e., undergo paligenosis) after tissue injury. VIDEO ABSTRACT.
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Affiliation(s)
- Zhi-Feng Miao
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Surgical Oncology and General Surgery, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, First Hospital of China Medical University, Shenyang 110001, China
| | - Mark A Lewis
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Charles J Cho
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Mahliyah Adkins-Threats
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Dongkook Park
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jeffrey W Brown
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jing-Xu Sun
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Surgical Oncology and General Surgery, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, First Hospital of China Medical University, Shenyang 110001, China
| | - Joseph R Burclaff
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Susan Kennedy
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Jianyun Lu
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Marcus Mahar
- Department of Neuroscience, Washington University School of Medicine, St. Louis, MO, USA
| | - Ilja Vietor
- Division of Cell Biology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Lukas A Huber
- Division of Cell Biology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Nicholas O Davidson
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Valeria Cavalli
- Department of Neuroscience, Washington University School of Medicine, St. Louis, MO, USA
| | - Deborah C Rubin
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Zhen-Ning Wang
- Department of Surgical Oncology and General Surgery, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, First Hospital of China Medical University, Shenyang 110001, China.
| | - Jason C Mills
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA; Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA.
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15
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Lau B, Kerr K, Gu Q, Nightingale K, Antrobus R, Suárez NM, Stanton RJ, Wang ECY, Weekes MP, Davison AJ. Human Cytomegalovirus Long Non-coding RNA1.2 Suppresses Extracellular Release of the Pro-inflammatory Cytokine IL-6 by Blocking NF-κB Activation. Front Cell Infect Microbiol 2020; 10:361. [PMID: 32793512 PMCID: PMC7387431 DOI: 10.3389/fcimb.2020.00361] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 06/11/2020] [Indexed: 12/16/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are transcripts of >200 nucleotides that are not translated into functional proteins. Cellular lncRNAs have been shown to act as regulators by interacting with target nucleic acids or proteins and modulating their activities. We investigated the role of RNA1.2, which is one of four major lncRNAs expressed by human cytomegalovirus (HCMV), by comparing the properties of parental virus in vitro with those of deletion mutants lacking either most of the RNA1.2 gene or only the TATA element of the promoter. In comparison with parental virus, these mutants exhibited no growth defects and minimal differences in viral gene expression in human fibroblasts. In contrast, 76 cellular genes were consistently up- or down-regulated by the mutants at both the RNA and protein levels at 72 h after infection. Differential expression of the gene most highly upregulated by the mutants (Tumor protein p63-regulated gene 1-like protein; TPRG1L) was confirmed at both levels by RT-PCR and immunoblotting. Consistent with the known ability of TPRG1L to upregulate IL-6 expression via NF-κB stimulation, RNA1.2 mutant-infected fibroblasts were observed to upregulate IL-6 in addition to TPRG1L. Comparable surface expression of TNF receptors and responsiveness to TNF-α in cells infected by the parental and mutant viruses indicated that activation of signaling by TNF-α is not involved in upregulation of IL-6 by the mutants. In contrast, inhibition of NF-κB activity and knockdown of TPRG1L expression reduced the extracellular release of IL-6 by RNA1.2 mutant-infected cells, thus demonstrating that upregulation of TPRG1L activates NF-κB. The levels of MCP-1 and CXCL1 transcripts were also increased in RNA1.2 mutant-infected cells, further demonstrating the presence of active NF-κB signaling. These results suggest that RNA1.2 plays a role in manipulating intrinsic NF-κB-dependent cytokine and chemokine release during HCMV infection, thereby impacting downstream immune responses.
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Affiliation(s)
- Betty Lau
- MRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Karen Kerr
- MRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Quan Gu
- MRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Katie Nightingale
- Cambridge Institute for Medical Research, University of Cambridge, Cambridge, United Kingdom
| | - Robin Antrobus
- Cambridge Institute for Medical Research, University of Cambridge, Cambridge, United Kingdom
| | - Nicolás M. Suárez
- MRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Richard J. Stanton
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Eddie C. Y. Wang
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, United Kingdom
| | - Michael P. Weekes
- Cambridge Institute for Medical Research, University of Cambridge, Cambridge, United Kingdom
| | - Andrew J. Davison
- MRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
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16
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Skugor A, Kjos NP, Sundaram AYM, Mydland LT, Ånestad R, Tauson AH, Øverland M. Effects of long-term feeding of rapeseed meal on skeletal muscle transcriptome, production efficiency and meat quality traits in Norwegian Landrace growing-finishing pigs. PLoS One 2019; 14:e0220441. [PMID: 31390356 PMCID: PMC6685631 DOI: 10.1371/journal.pone.0220441] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 07/16/2019] [Indexed: 12/30/2022] Open
Abstract
This study was performed to investigate the effects of dietary inclusion of 20% rapeseed meal (RSM) as an alternative to soybean meal (SBM) in a three-month feeding experiment with growing finishing pigs. Dietary alteration affected growth performance, several carcass traits and transcriptional responses in the skeletal muscle, but did not affect measured meat quality traits. In general, pigs fed the RSM test diet exhibited reduced growth performance compared to pigs on SBM control diet. Significant transcriptional changes in the skeletal muscle of growing pigs fed RSM diet were likely the consequence of an increased amount of fiber and higher polyunsaturated fatty acids, and presence of bioactive phytochemicals, such as glucosinolates. RNAseq pipeline using Tophat2-Cuffdiff identified 57 upregulated and 63 downregulated genes in RSM compared to SBM pigs. Significantly enriched among downregulated pathways was p53-mediated signalling involved in cellular proliferation, while activation of negative growth regulators (IER5, KLF10, BTG2, KLF11, RETREG1, PRUNE2) in RSM fed pigs provided further evidence for reduced proliferation and increased cellular death, in accordance with the observed reduction in performance traits. Upregulation of well-known metabolic controllers (PDK4, UCP3, ESRRG and ESRRB), involved in energy homeostasis (glucose and lipid metabolism, and mitochondrial function), suggested less available energy and nutrients in RSM pigs. Furthermore, several genes supported more pronounced proteolysis (ABTB1, OTUD1, PADI2, SPP1) and reduced protein synthesis (THBS1, HSF4, AP1S2) in RSM muscle tissue. In parallel, higher levels of NR4A3, PDK4 and FGF21, and a drop in adropin, ELOVL6 and CIDEC/FSP27 indicated increased lipolysis and fatty acid oxidation, reflective of lower dressing percentage. Finally, pigs exposed to RSM showed greater expression level of genes responsive to oxidative stress, indicated by upregulation of GPX1, GPX2, and TXNIP.
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Affiliation(s)
- Adrijana Skugor
- Department of Animal and Aquacultural Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Aas, Norway
| | - Nils Petter Kjos
- Department of Animal and Aquacultural Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Aas, Norway
| | | | - Liv Torunn Mydland
- Department of Animal and Aquacultural Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Aas, Norway
| | - Ragnhild Ånestad
- Department of Animal and Aquacultural Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Aas, Norway
| | - Anne-Helene Tauson
- Department of Animal and Aquacultural Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Aas, Norway
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Margareth Øverland
- Department of Animal and Aquacultural Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Aas, Norway
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17
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Data on molecular characterisation and expression analysis of the interferon-related developmental regulator 2 (IFRD2) gene from red sea bream, Pagrus major. Data Brief 2019; 25:104142. [PMID: 31516920 PMCID: PMC6727176 DOI: 10.1016/j.dib.2019.104142] [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: 05/20/2019] [Accepted: 06/05/2019] [Indexed: 11/13/2022] Open
Abstract
The interferon-related developmental regulator 1 (IFRD1) protein is expected to play a role in the regulation of inflammatory responses in adult mice, since it is known to repress transcription of NF-κB in myoblasts that regenerate skeletal muscle after traumatic injury Micheli et al., 2011. The IFRD2 gene is expressed in many tissues including skeletal muscle, kidney, heart, brain, lung, placenta and liver in adult humans and is highly expressed in adult human skeletal muscle and heart. In mice, interferon-related developmental regulator 2 (IFRD2) may be associated with early haematopoiesis after gastrulation and in the hepatic primordium Buanne et al., 1998. In this study, we analysed the molecular characteristics of the IFRD2 gene identified from Pagrus major (PmIFRD2) and performed multiple alignments and phylogenetic analyses of the protein sequence. In addition, we examined the expression pattern of IFRD2 in healthy red sea bream tissues and the temporal expression pattern after challenging with various pathogens [Edwardsiella piscicida (E. piscicida), Streptococcus iniae (S. iniae) and red sea bream iridovirus (RSIV)]. This study characterises the non-specific immune response of the red sea bream after viral and microbial infections.
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18
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Increase in HDAC9 suppresses myoblast differentiation via epigenetic regulation of autophagy in hypoxia. Cell Death Dis 2019; 10:552. [PMID: 31320610 PMCID: PMC6639330 DOI: 10.1038/s41419-019-1763-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 06/11/2019] [Accepted: 06/19/2019] [Indexed: 02/08/2023]
Abstract
Extremely reduced oxygen (O2) levels are detrimental to myogenic differentiation and multinucleated myotube formation, and chronic exposure to high-altitude hypoxia has been reported to be an important factor in skeletal muscle atrophy. However, how chronic hypoxia causes muscle dysfunction remains unknown. In the present study, we found that severe hypoxia (1% O2) significantly inhibited the function of C2C12 cells (from a myoblast cell line). Importantly, the impairment was continuously manifested even during culture under normoxic conditions for several passages. Mechanistically, we revealed that histone deacetylases 9 (HDAC9), a member of the histone deacetylase family, was significantly increased in C2C12 cells under hypoxic conditions, thereby inhibiting intracellular autophagy levels by directly binding to the promoter regions of Atg7, Beclin1, and LC3. This phenomenon resulted in the sequential dephosphorylation of GSK3β and inactivation of the canonical Wnt pathway, impairing the function of the C2C12 cells. Taken together, our results suggest that hypoxia-induced myoblast dysfunction is due to aberrant epigenetic regulation of autophagy, and our experimental evidence reveals the possible molecular pathogenesis responsible for some muscle diseases caused by chronic hypoxia and suggests a potential therapeutic option.
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Association of Candidate Genes with Response to Heat and Newcastle Disease Virus. Genes (Basel) 2018; 9:genes9110560. [PMID: 30463235 PMCID: PMC6267452 DOI: 10.3390/genes9110560] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 11/12/2018] [Accepted: 11/13/2018] [Indexed: 12/12/2022] Open
Abstract
Newcastle disease is considered the number one disease constraint to poultry production in low and middle-income countries, however poultry that is raised in resource-poor areas often experience multiple environmental challenges. Heat stress has a negative impact on production, and immune response to pathogens can be negatively modulated by heat stress. Candidate genes and regions chosen for this study were based on previously reported associations with response to immune stimulants, pathogens, or heat, including: TLR3, TLR7, MX, MHC-B (major histocompatibility complex, gene complex), IFI27L2, SLC5A1, HSPB1, HSPA2, HSPA8, IFRD1, IL18R1, IL1R1, AP2A2, and TOLLIP. Chickens of a commercial egg-laying line were infected with a lentogenic strain of NDV (Newcastle disease virus); half the birds were maintained at thermoneutral temperature and the other half were exposed to high ambient temperature before the NDV challenge and throughout the remainder of the study. Phenotypic responses to heat, to NDV, or to heat + NDV were measured. Selected SNPs (single nucleotide polymorphisms) within 14 target genes or regions were genotyped; and genotype effects on phenotypic responses to NDV or heat + NDV were tested in each individual treatment group and the combined groups. Seventeen significant haplotype effects, among seven genes and seven phenotypes, were detected for response to NDV or heat or NDV + heat. These findings identify specific genetic variants that are associated with response to heat and/or NDV which may be useful in the genetic improvement of chickens to perform favorably when faced with pathogens and heat stress.
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Reibe S, Hjorth M, Febbraio MA, Whitham M. GeneXX: an online tool for the exploration of transcript changes in skeletal muscle associated with exercise. Physiol Genomics 2018; 50:376-384. [PMID: 29547064 DOI: 10.1152/physiolgenomics.00127.2017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Exercise stimulates a wide array of biological processes, but the mechanisms involved are incompletely understood. Many previous studies have adopted transcriptomic analyses of skeletal muscle to address particular research questions, a process that ultimately results in the collection of large amounts of publicly available data that has not been fully integrated or interrogated. To maximize the use of these available transcriptomic exercise data sets, we have downloaded and reanalyzed them and formulated the data into a searchable online tool, geneXX. GeneXX is highly intuitive and free and provides immediate information regarding the response of a transcript of interest to exercise in skeletal muscle. To demonstrate its utility, we carried out a meta-analysis on the included data sets and show transcript changes in skeletal muscle that persist regardless of sex, exercise mode, and duration, some of which have had minimal attention in the context of exercise. We also demonstrate how geneXX can be used to formulate novel hypotheses on the complex effects of exercise, using preliminary data already generated. This resource represents a valuable tool for researchers with interests in human skeletal muscle adaptation to exercise.
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Affiliation(s)
- Saskia Reibe
- Cellular and Molecular Metabolism Laboratory, Diabetes and Metabolism Division, Garvan Institute of Medical Research , Sydney, New South Wales , Australia.,St. Vincent's Clinical School, University of New South Wales , Sydney, New South Wales , Australia
| | - Marit Hjorth
- Cellular and Molecular Metabolism Laboratory, Diabetes and Metabolism Division, Garvan Institute of Medical Research , Sydney, New South Wales , Australia.,St. Vincent's Clinical School, University of New South Wales , Sydney, New South Wales , Australia
| | - Mark A Febbraio
- Cellular and Molecular Metabolism Laboratory, Diabetes and Metabolism Division, Garvan Institute of Medical Research , Sydney, New South Wales , Australia.,St. Vincent's Clinical School, University of New South Wales , Sydney, New South Wales , Australia
| | - Martin Whitham
- Cellular and Molecular Metabolism Laboratory, Diabetes and Metabolism Division, Garvan Institute of Medical Research , Sydney, New South Wales , Australia.,St. Vincent's Clinical School, University of New South Wales , Sydney, New South Wales , Australia
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21
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Lewis MA, Sharabash N, Miao ZF, Lyons LN, Piccirillo J, Kallogjeri D, Schootman M, Mutch M, Yan Y, Levin MS, Castells A, Cuatrecasas M, Mills JC, Wang ZN, Rubin DC. Increased IFRD1 Expression in Human Colon Cancers Predicts Reduced Patient Survival. Dig Dis Sci 2017; 62:3460-3467. [PMID: 29094309 PMCID: PMC6167971 DOI: 10.1007/s10620-017-4819-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 10/19/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Colon cancer (CRC) is the third most common cancer worldwide. CRC develops through combinations of genetic and epigenetic changes. However, there is marked heterogeneity in the "driver gene" mutational profiles within and among colon cancers from individual patients, and these are not sufficient to explain differences in colon cancer behavior and treatment response. Global modulation of the tumor landscape may play a role in cancer behavior. Interferon-related developmental regulator 1 (IFRD1) is a transcriptional co-regulator that modulates expression of large gene cassettes and plays a role in gut epithelial proliferation following massive intestinal resection. AIMS We address the hypothesis that increased IFRD1 expression in colon cancers is associated with poorer patient survival. METHODS Tumor and normal tissue from colon cancer patient cohorts from the USA, Spain, and China were used for this study. Cancers were scored for the intensity of IFRD1 immunostaining. The primary clinical outcome was overall survival defined as time from diagnosis to death due to cancer. Kaplan-Meier method and log-rank analysis were used to assess the association between IFRD1 expression and survival. RESULTS Almost all (98.7%) colon cancers showed readily detectable IFRD1 expression, with immunoreactivity primarily in the tumor cytoplasm. High IFRD1 colon cancer expression was significantly associated with decreased 5-year patient survival. Patients in the American cohort with high IFRD1 expression had a poorer prognosis. CONCLUSIONS We have demonstrated that high IFRD1 protein expression in colon cancer is associated with poorer patient prognosis, suggesting a potential role for IFRD1 in modulating tumor behavior.
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Affiliation(s)
- Mark A Lewis
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
| | - Noura Sharabash
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
- University of Illinois, Carle Clinics, 611 W. Park Street, Urbana, IL, 61801, USA
| | - Zhi-Feng Miao
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
- Department of Surgical Oncology, First Hospital of China Medical University, No. 155 North Nanjing Street, Shenyang, Liaoning Province, China
| | - Lydia N Lyons
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
| | - Jay Piccirillo
- Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Box 8115, St. Louis, MO, 63110, USA
| | - Donna Kallogjeri
- Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Box 8115, St. Louis, MO, 63110, USA
| | - Mario Schootman
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
- St. Louis University School of Medicine, Salus Center, 3545 Lafayette Ave. Room 1401-K, St. Louis, MO, 63103, USA
| | - Matthew Mutch
- Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Box 8109, St. Louis, MO, 63110, USA
| | - Yan Yan
- Department of Surgery, Washington University School of Medicine, 660 South Euclid Avenue, Box 8100, St. Louis, MO, 63110, USA
| | - Marc S Levin
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
- Veterans' Administration St. Louis Health Care System, St. Louis, MO, USA
| | | | | | - Jason C Mills
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
- Department of Pathology, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
- Department of Developmental Biology, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA
| | - Zhen-Ning Wang
- Department of Surgical Oncology, First Hospital of China Medical University, No. 155 North Nanjing Street, Shenyang, Liaoning Province, China
| | - Deborah C Rubin
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA.
- Department of Developmental Biology, Washington University School of Medicine, 660 South Euclid Avenue, Box 8124, St. Louis, MO, 63110, USA.
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22
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Beauclercq S, Hennequet-Antier C, Praud C, Godet E, Collin A, Tesseraud S, Métayer-Coustard S, Bourin M, Moroldo M, Martins F, Lagarrigue S, Bihan-Duval EL, Berri C. Muscle transcriptome analysis reveals molecular pathways and biomarkers involved in extreme ultimate pH and meat defect occurrence in chicken. Sci Rep 2017; 7:6447. [PMID: 28743971 PMCID: PMC5526995 DOI: 10.1038/s41598-017-06511-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 06/13/2017] [Indexed: 02/06/2023] Open
Abstract
The processing ability and sensory quality of chicken breast meat are highly related to its ultimate pH (pHu), which is mainly determined by the amount of glycogen in the muscle at death. To unravel the molecular mechanisms underlying glycogen and meat pHu variations and to identify predictive biomarkers of these traits, a transcriptome profiling analysis was performed using an Agilent custom chicken 8 × 60 K microarray. The breast muscle gene expression patterns were studied in two chicken lines experimentally selected for high (pHu+) and low (pHu-) pHu values of the breast meat. Across the 1,436 differentially expressed (DE) genes found between the two lines, many were involved in biological processes related to muscle development and remodelling and carbohydrate and energy metabolism. The functional analysis showed an intensive use of carbohydrate metabolism to produce energy in the pHu- line, while alternative catabolic pathways were solicited in the muscle of the pHu+ broilers, compromising their muscle development and integrity. After a validation step on a population of 278 broilers using microfluidic RT-qPCR, 20 genes were identified by partial least squares regression as good predictors of the pHu, opening new perspectives of screening broilers likely to present meat quality defects.
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Affiliation(s)
| | | | | | | | | | | | | | - Marie Bourin
- ITAVI-Institut Technique de l'Aviculture, F-37380, Nouzilly, France
| | - Marco Moroldo
- GABI, AgroParisTech, INRA, Université Paris-Saclay, F-78350, Jouy-en-Josas, France
| | - Frédéric Martins
- Plateforme Génome et Transcriptome, Génopole de Toulouse, France.,INSERM, UMR1048, F-31432, Toulouse, France
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23
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Heart Failure and MEF2 Transcriptome Dynamics in Response to β-Blockers. Sci Rep 2017; 7:4476. [PMID: 28667250 PMCID: PMC5493616 DOI: 10.1038/s41598-017-04762-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 05/19/2017] [Indexed: 01/12/2023] Open
Abstract
Myocyte Enhancer Factor 2 (MEF2) mediates cardiac remodelling in heart failure (HF) and is also a target of β-adrenergic signalling, a front-line treatment for HF. We identified global gene transcription networks involved in HF with and without β-blocker treatment. Experimental HF by transverse aortic constriction (TAC) in a MEF2 “sensor” mouse model (6 weeks) was followed by four weeks of β-blockade with Atenolol (AT) or Solvent (Sol) treatment. Transcriptome analysis (RNA-seq) from left ventricular RNA samples and MEF2A depleted cardiomyocytes was performed. AT treatment resulted in an overall improvement in cardiac function of TAC mice and repression of MEF2 activity. RNA-seq identified 65 differentially expressed genes (DEGs) due to TAC treatment with enriched GO clusters including the inflammatory system, cell migration and apoptosis. These genes were mapped against DEGs in cardiomyocytes in which MEF2A expression was suppressed. Of the 65 TAC mediated DEGs, AT reversed the expression of 28 mRNAs. Rarres2 was identified as a novel MEF2 target gene that is upregulated with TAC in vivo and isoproterenol treatment in vitro which may have implications in cardiomyocyte apoptosis and hypertrophy. These studies identify a cohort of genes with vast potential for disease diagnosis and therapeutic intervention in heart failure.
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24
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Park G, Horie T, Kanayama T, Fukasawa K, Iezaki T, Onishi Y, Ozaki K, Nakamura Y, Yoneda Y, Takarada T, Hinoi E. The transcriptional modulator Ifrd1 controls PGC-1α expression under short-term adrenergic stimulation in brown adipocytes. FEBS J 2017; 284:784-795. [PMID: 28107769 DOI: 10.1111/febs.14019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 12/25/2016] [Accepted: 01/17/2017] [Indexed: 02/03/2023]
Abstract
Sympathetic tone activates the function of classical brown adipocytes, which constitutively exist in the brown adipose tissue (BAT), and inducible brown adipocytes (so-called beige adipocytes), which sporadically reside within the white adipose tissue (WAT). Here we identified the transcriptional modulator interferon-related developmental regulator 1 (Ifrd1) as a negative regulator of thermogenic and mitochondrial gene expression in brown adipocytes. Ifrd1 expression was markedly induced by cold exposure and administration of CL-316243 (a β3 adrenergic agonist) in interscapular brown adipose and inguinal subcutaneous WATs, but not in epididymal visceral WAT, in vivo. Adrenergic stimulation also induced Ifrd1 expression in brown adipocytes in a cAMP responsive element binding protein-dependent manner in vitro. CL-316243 injection markedly elevated thermogenic and mitochondrial gene expression, including peroxisome proliferator-activated receptor γ coactivator 1α (Pgc1a) in the subcutaneous WAT of Ifrd1 knockout mice compared with gene expression in wild-type mice. Pgc1a promoter activity enhanced by the transcription factor specificity protein 1 (Sp1) was markedly repressed by co-introduction of Ifrd1 in brown adipocytes, whereas the repression was markedly prevented by the addition of trichostatin A, a histone deacetylase inhibitor. Moreover, adrenergic stimulation induced complex formation between Ifrd1, Sp1 and mSIN3B, which is a component of the SIN complex containing histone deacetylase, in brown adipocytes. These findings, therefore, suggest that Ifrd1 could be a pivotal negative regulator of sympathetic regulation of thermogenic and mitochondrial gene expression in brown adipocytes by interacting with Sp1 and the mSIN3 complex.
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Affiliation(s)
- Gyujin Park
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Tetsuhiro Horie
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Takashi Kanayama
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Kazuya Fukasawa
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Takashi Iezaki
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Yuki Onishi
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Kakeru Ozaki
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Yukari Nakamura
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Yukio Yoneda
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Takeshi Takarada
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
| | - Eiichi Hinoi
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Japan
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25
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Micheli L, D'Andrea G, Leonardi L, Tirone F. HDAC1, HDAC4, and HDAC9 Bind to PC3/Tis21/Btg2 and Are Required for Its Inhibition of Cell Cycle Progression and Cyclin D1 Expression. J Cell Physiol 2017; 232:1696-1707. [PMID: 27333946 DOI: 10.1002/jcp.25467] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 06/21/2016] [Indexed: 01/23/2023]
Abstract
PC3/Tis21 is a transcriptional cofactor that inhibits proliferation in several cell types, including neural progenitors. Here, we report that PC3/Tis21 associates with HDAC1, HDAC4, and HDAC9 in vivo, in fibroblast cells. Furthermore, when HDAC1, HDAC4, or HDAC9 are silenced in fibroblasts or in a line of cerebellar progenitor cells, the ability of PC3/Tis21 to inhibit proliferation is significantly reduced. Overexpression of HDAC1, HDAC4, or HDAC9 in fibroblasts and in cerebellar precursor cells synergizes with PC3/Tis21 in inhibiting the expression of cyclin D1, a cyclin selectively inhibited by PC3/Tis21. Conversely, the depletion of HDAC1 or HDAC4 (but not HDAC9) in fibroblasts and in cerebellar precursor cells significantly impairs the ability of PC3/Tis21 to inhibit cyclin D1 expression. An analysis of HDAC4 deletion mutants shows that both the amino-terminal moiety and the catalytic domain of HDAC4 associate to PC3/Tis21, but neither alone is sufficient to potentiate the inhibition of cyclin D1 by PC3/Tis21. As a whole, our findings indicate that PC3/Tis21 inhibits cell proliferation in a way dependent on the presence of HDACs, in fibroblasts as well as in neural cells. Considering that several reports have demonstrated that HDACs can act as transcriptional corepressors on the cyclin D1 promoter, our data suggest that the association of PC3/Tis21 to HDACs is functional to recruit them to target genes, such as cyclin D1, for repression of their expression. J. Cell. Physiol. 232: 1696-1707, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Laura Micheli
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia, Rome, Italy
| | - Giorgio D'Andrea
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia, Rome, Italy
| | - Luca Leonardi
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia, Rome, Italy
| | - Felice Tirone
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia, Rome, Italy
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26
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McColl R, Nkosi M, Snyman C, Niesler C. Analysis and quantification of in vitro myoblast fusion using the LADD Multiple Stain. Biotechniques 2016; 61:323-326. [PMID: 27938324 DOI: 10.2144/000114485] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 09/08/2016] [Indexed: 11/23/2022] Open
Abstract
Myoblast fusion, which is essential for muscle development, regeneration, and repair, can be assessed in vitro via the calculation of a fusion index. Traditionally, this requires use of either immunocytochemistry or fluorescently-labeled cytoskeletal staining, followed by microscopy and laborious analysis. The expense and time-consuming nature of the optimization and application of antibody-based techniques such as immunocytochemistry, as well as the need for specialized analytical equipment such as fluorescence microscopes, presents a barrier to the routine analysis of this crucial step during terminal differentiation. Here, we describe (i) a novel use of the commonly available LADD Multiple Stain for visualization of myoblast fusion in vitro; (ii) the optimization of a simple image analysis method to generate quick, quantifiable data representative of a fusion index; and (iii) the use of a protocol combining these two procedures to investigate in vitro myoblast fusion in a simple and efficient manner as proof-of-concept.
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Affiliation(s)
- Rhys McColl
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, South Africa
| | - Mthokozisi Nkosi
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, South Africa
| | - Celia Snyman
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, South Africa
| | - Carola Niesler
- Department of Biochemistry, School of Life Sciences, University of KwaZulu-Natal, South Africa
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27
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Lammirato A, Patsch K, Feiereisen F, Maly K, Nofziger C, Paulmichl M, Hackl H, Trajanoski Z, Valovka T, Huber LA, Vietor I. TIS7 induces transcriptional cascade of methylosome components required for muscle differentiation. BMC Biol 2016; 14:95. [PMID: 27782840 PMCID: PMC5080701 DOI: 10.1186/s12915-016-0318-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 10/14/2016] [Indexed: 02/01/2023] Open
Abstract
Background TPA Induced Sequence 7 acts as a transcriptional co-regulator controlling the expression of genes involved in differentiation of various cell types, including skeletal myoblasts. We and others have shown that TIS7 regulates adult myogenesis through MyoD, one of the essential myogenic regulatory factors. Results Here, we present data identifying ICln as the specific, novel protein downstream of TIS7 controlling myogenesis. We show that TIS7/ICln epigenetically regulate myoD expression controlling protein methyl transferase activity. In particular, ICln regulates MyoD expression via its interaction with PRMT5 by an epigenetic modification that utilizes symmetrical di-methylation of histone H3 on arginine 8. We provide multiple evidences that TIS7 directly binds DNA, which is a functional feature necessary for its role in transcriptional regulation. Conclusion We present here a molecular insight into TIS7-specific control of MyoD gene expression and thereby skeletal muscle differentiation. Electronic supplementary material The online version of this article (doi:10.1186/s12915-016-0318-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Andrea Lammirato
- Division of Cell Biology, Biocenter, Medical University Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Katherin Patsch
- Division of Cell Biology, Biocenter, Medical University Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Fabien Feiereisen
- Division of Cell Biology, Biocenter, Medical University Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Karl Maly
- Division of Medical Biochemistry, Biocenter, Medical University of Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Charity Nofziger
- Institute of Pharmacology and Toxicology, Paracelsus Medical University, Strubergasse 21, A-5020, Salzburg, Austria
| | - Markus Paulmichl
- Institute of Pharmacology and Toxicology, Paracelsus Medical University, Strubergasse 21, A-5020, Salzburg, Austria
| | - Hubert Hackl
- Division of Bioinformatics, Biocenter, Medical University of Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Zlatko Trajanoski
- Division of Bioinformatics, Biocenter, Medical University of Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Taras Valovka
- Division of Cell Biology, Biocenter, Medical University Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Lukas A Huber
- Division of Cell Biology, Biocenter, Medical University Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria
| | - Ilja Vietor
- Division of Cell Biology, Biocenter, Medical University Innsbruck, Innrain 80-82, A-6020, Innsbruck, Austria.
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28
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Transcriptional Modulator Ifrd1 Regulates Osteoclast Differentiation through Enhancing the NF-κB/NFATc1 Pathway. Mol Cell Biol 2016; 36:2451-63. [PMID: 27381458 DOI: 10.1128/mcb.01075-15] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 06/17/2016] [Indexed: 01/09/2023] Open
Abstract
Bone homeostasis is maintained by the synergistic actions of bone-resorbing osteoclasts and bone-forming osteoblasts. Here, we show that the transcriptional coactivator/repressor interferon-related developmental regulator 1 (Ifrd1) is expressed in osteoclast lineages and represents a component of the machinery that regulates bone homeostasis. Ifrd1 expression was transcriptionally regulated in preosteoclasts by receptor activator of nuclear factor κB (NF-κB) ligand (RANKL) through activator protein 1. Global deletion of murine Ifrd1 increased bone formation and decreased bone resorption, leading to a higher bone mass. Deletion of Ifrd1 in osteoclast precursors prevented RANKL-induced bone loss, although no bone loss was observed under normal physiological conditions. RANKL-dependent osteoclastogenesis was impaired in vitro in Ifrd1-deleted bone marrow macrophages (BMMs). Ifrd1 deficiency increased the acetylation of p65 at residues K122 and K123 via the inhibition of histone deacetylase-dependent deacetylation in BMMs. This repressed the NF-κB-dependent transcription of nuclear factor of activated T cells, cytoplasmic 1 (NFATc1), an essential regulator of osteoclastogenesis. These findings suggest that an Ifrd1/NF-κB/NFATc1 axis plays a pivotal role in bone remodeling in vivo and represents a therapeutic target for bone diseases.
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29
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Li FX, Liu Y, Miao XP, Fu GQ, Curry TE. Expression and regulation of the differentiation regulators ERBB Receptor Feedback Inhibitor 1 (ERRFI1) and Interferon-related Developmental Regulator 1 (IFRD1) during the periovulatory period in the rat ovary. Mol Reprod Dev 2016; 83:714-23. [DOI: 10.1002/mrd.22673] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 06/28/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Fei-xue Li
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Ying Liu
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Xiao-ping Miao
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Guo-quan Fu
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Thomas E. Curry
- Department of Obstetrics and Gynecology, Chandler Medical Center; University of Kentucky; Lexington Kentucky
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30
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Liu L, Wang H, Wen J, Tseng CE, Zu Y, Chang CC, Zhou X. Mutated genes and driver pathways involved in myelodysplastic syndromes—a transcriptome sequencing based approach. MOLECULAR BIOSYSTEMS 2016; 11:2158-66. [PMID: 26010722 DOI: 10.1039/c4mb00663a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Myelodysplastic syndromes are a heterogeneous group of clonal disorders of hematopoietic progenitors and have potentiality to progress into acute myelogenous leukemia. Development of effective treatments has been impeded by limited insight into pathogenic pathways. In this study, we applied RNA-seq technology to study the transcriptome on 20 MDS patients and 5 age-matched controls, and developed a pipeline for analyzing this data. After analysis, we identified 38 mutated genes contributing to MDS pathogenesis. 37 out of 38 genes have not been reported previously, suggesting our pipeline is critical for identifying novel mutated genes in MDS. The most recurrent mutation happened in gene IFRD1, which involved 30% of patient samples. Biological relationships among these mutated genes were mined using Ingenuity Pathway Analysis, and the results demonstrated that top two networks with highest scores were highly associated with cancer and hematological diseases, indicating that the mutated genes identified by our method were highly relevant to MDS. We then integrated the pathways in KEGG database and the identified mutated genes using our novel rule-based mutated driver pathway scoring approach for detecting mutated driver pathways. The results indicated two mutated driver pathways are important for the pathogenesis of MDS: pathway in cancer and in regulation of actin cytoskeleton. The latter, which likely contributes to the hallmark morphologic dysplasia observed in MDS, has not been reported, to the best of our knowledge. These results provide us new insights into the pathogenesis of MDS, which, in turn, may lead to novel therapeutics for this disease.
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Affiliation(s)
- Liang Liu
- Center for Bioinformatics and Systems Biology, Division of Radiologic Sciences, Wake Forest University Baptist Medical Center, Winston-Salem, NC 27157, USA.
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31
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Iezaki T, Onishi Y, Ozaki K, Fukasawa K, Takahata Y, Nakamura Y, Fujikawa K, Takarada T, Yoneda Y, Yamashita Y, Shioi G, Hinoi E. The Transcriptional Modulator Interferon-Related Developmental Regulator 1 in Osteoblasts Suppresses Bone Formation and Promotes Bone Resorption. J Bone Miner Res 2016; 31:573-84. [PMID: 26391411 DOI: 10.1002/jbmr.2720] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 09/08/2015] [Accepted: 09/18/2015] [Indexed: 01/20/2023]
Abstract
Bone homeostasis is maintained by the synergistic actions of bone-resorbing osteoclasts and bone-forming osteoblasts. Although interferon-related developmental regulator 1 (Ifrd1) has been identified as a transcriptional coactivator/repressor in various cells, little attention has been paid to its role in osteoblastogenesis and bone homeostasis thus far. Here, we show that Ifrd1 is a critical mediator of both the cell-autonomous regulation of osteoblastogenesis and osteoblast-dependent regulation of osteoclastogenesis. Osteoblast-specific deletion of murine Ifrd1 increased bone formation and decreased bone resorption, causing high bone mass. Ifrd1 deficiency enhanced osteoblast differentiation and maturation along with increased expression of Runx2 and osterix (Osx). Mechanistically, Ifrd1 deficiency increased the acetylation status of p65, a component of NF-κB, at residues K122 and K123 via the attenuation of the interaction between p65 and histone deacetylase (HDAC). This led to the nuclear export of p65 and a decrease in NF-κB-dependent Smad7 expression and the subsequent enhancement of Smad1/Smad5/Smad8-dependent transcription. Moreover, a high bone mass phenotype in the osteoblast-specific deletion of Ifrd1 was markedly rescued by the introduction of one Osx-floxed allele but not of Runx2-floxed allele. Coculture experiments revealed that Ifrd1-deficient osteoblasts have a higher osteoprotegerin (OPG) expression and a lower ability to support osteoclastogenesis. Ifrd1 deficiency attenuated the interaction between β-catenin and HDAC, subsequently increasing the acetylation of β-catenin at K49, leading to its nuclear accumulation and the activation of the β-catenin-dependent transcription of OPG. Collectively, the expression of Ifrd1 in osteoblasts repressed osteoblastogenesis and activated osteoclastogenesis through modulating the NF-κB/Smad/Osx and β-catenin/OPG pathways, respectively. These findings suggest that Ifrd1 has a pivotal role in bone homeostasis through its expression in osteoblasts in vivo and represents a therapeutic target for bone diseases.
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Affiliation(s)
- Takashi Iezaki
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Yuki Onishi
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Kakeru Ozaki
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Kazuya Fukasawa
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Yoshifumi Takahata
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Yukari Nakamura
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Koichi Fujikawa
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Takeshi Takarada
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Yukio Yoneda
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
| | - Yui Yamashita
- Animal Resource Development Unit, Division of Bio-function Dynamics Imaging, RIKEN Center for Life Science Technologies (CLST), Kobe, Hyogo, Japan.,Genetic Engineering Team, Division of Bio-function Dynamics Imaging, RIKEN Center for Life Science Technologies (CLST), Kobe, Hyogo, Japan
| | - Go Shioi
- Genetic Engineering Team, Division of Bio-function Dynamics Imaging, RIKEN Center for Life Science Technologies (CLST), Kobe, Hyogo, Japan
| | - Eiichi Hinoi
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School, Kanazawa, Ishikawa, Japan
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Ceccarelli M, Micheli L, D'Andrea G, De Bardi M, Scheijen B, Ciotti M, Leonardi L, Luvisetto S, Tirone F. Altered cerebellum development and impaired motor coordination in mice lacking the Btg1 gene: Involvement of cyclin D1. Dev Biol 2015; 408:109-25. [DOI: 10.1016/j.ydbio.2015.10.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 10/03/2015] [Accepted: 10/04/2015] [Indexed: 10/22/2022]
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Rowlands DS, Nelson AR, Raymond F, Metairon S, Mansourian R, Clarke J, Stellingwerff T, Phillips SM. Protein-leucine ingestion activates a regenerative inflammo-myogenic transcriptome in skeletal muscle following intense endurance exercise. Physiol Genomics 2015; 48:21-32. [PMID: 26508702 DOI: 10.1152/physiolgenomics.00068.2015] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 10/22/2015] [Indexed: 02/01/2023] Open
Abstract
Protein-leucine supplement ingestion following strenuous endurance exercise accentuates skeletal-muscle protein synthesis and adaptive molecular responses, but the underlying transcriptome is uncharacterized. In a randomized single-blind triple-crossover design, 12 trained men completed 100 min of high-intensity cycling then ingested 70/15/180/30 g protein-leucine-carbohydrate-fat (15LEU), 23/5/180/30 g (5LEU), or 0/0/274/30 g (CON) beverages during the first 90 min of a 240 min recovery period. Vastus lateralis muscle samples (30 and 240 min postexercise) underwent transcriptome analysis by microarray followed by bioinformatic analysis. Gene expression was regulated by protein-leucine in a dose-dependent manner affecting the inflammatory response and muscle growth and development. At 30 min, 15LEU and 5LEU vs. CON activated transcriptome networks with gene-set functions involving cell-cycle arrest (Z-score 2.0-2.7, P < 0.01), leukocyte maturation (1.7, P = 0.007), cell viability (2.4, P = 0.005), promyogenic networks encompassing myocyte differentiation and myogenin (MYOD1, MYOG), and a proteinaceous extracellular matrix, adhesion, and development program correlated with plasma lysine, arginine, tyrosine, taurine, glutamic acid, and asparagine concentrations. High protein-leucine dose (15LEU-5LEU) activated an IL-1I-centered proinflammatory network and leukocyte migration, differentiation, and survival functions (2.0-2.6, <0.001). By 240 min, the protein-leucine transcriptome was anti-inflammatory and promyogenic (IL-6, NF- β, SMAD, STAT3 network inhibition), with overrepresented functions including decreased leukocyte migration and connective tissue development (-1.8-2.4, P < 0.01), increased apoptosis of myeloid and muscle cells (2.2-3.0, P < 0.002), and cell metabolism (2.0-2.4, P < 0.01). The analysis suggests protein-leucine ingestion modulates inflammatory-myogenic regenerative processes during skeletal muscle recovery from endurance exercise. Further cellular and translational research is warranted to validate amino acid-mediated myeloid and myocellular mechanisms within skeletal-muscle functional plasticity.
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Affiliation(s)
- David S Rowlands
- School of Sport and Exercise and Institute of Food Nutrition, and Human Health, Massey University, Wellington, New Zealand; and
| | - Andre R Nelson
- School of Sport and Exercise and Institute of Food Nutrition, and Human Health, Massey University, Wellington, New Zealand; and Institute of Sport, Exercise and Active Living, Victoria University, Melbourne, Australia
| | - Frederic Raymond
- Nestle Research Centre, Lausanne, Switzerland; and Nestlé Institute of Health Sciences, Lausanne, Switzerland
| | - Sylviane Metairon
- Nestle Research Centre, Lausanne, Switzerland; and Nestlé Institute of Health Sciences, Lausanne, Switzerland
| | | | - Jim Clarke
- School of Sport and Exercise and Institute of Food Nutrition, and Human Health, Massey University, Wellington, New Zealand; and
| | - Trent Stellingwerff
- Nestle Research Centre, Lausanne, Switzerland; and Canadian Sport Institute Pacific, Victoria, Canada; and
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Jiang W, Zhu J, Zhuang X, Zhang X, Luo T, Esser KA, Ren H. Lipin1 Regulates Skeletal Muscle Differentiation through Extracellular Signal-regulated Kinase (ERK) Activation and Cyclin D Complex-regulated Cell Cycle Withdrawal. J Biol Chem 2015; 290:23646-55. [PMID: 26296887 DOI: 10.1074/jbc.m115.686519] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Indexed: 12/20/2022] Open
Abstract
Lipin1, an intracellular protein, plays critical roles in controlling lipid synthesis and energy metabolism through its enzymatic activity and nuclear transcriptional functions. Several mouse models of skeletal muscle wasting are associated with lipin1 mutation or altered expression. Recent human studies have suggested that children with homozygous null mutations in the LPIN1 gene suffer from rhabdomyolysis. However, the underlying pathophysiologic mechanism is still poorly understood. In the present study we examined whether lipin1 contributes to regulating muscle regeneration. We characterized the time course of skeletal muscle regeneration in lipin1-deficient fld mice after injury. We found that fld mice exhibited smaller regenerated muscle fiber cross-sectional areas compared with wild-type mice in response to injury. Our results from a series of in vitro experiments suggest that lipin1 is up-regulated and translocated to the nucleus during myoblast differentiation and plays a key role in myogenesis by regulating the cytosolic activation of ERK1/2 to form a complex and a downstream effector cyclin D3-mediated cell cycle withdrawal. Overall, our study reveals a previously unknown role of lipin1 in skeletal muscle regeneration and expands our understanding of the cellular and molecular mechanisms underlying skeletal muscle regeneration.
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Affiliation(s)
- Weihua Jiang
- From the Division of Cardiovascular Medicine, Department of Internal Medicine, Saha Cardiovascular Center
| | - Jing Zhu
- From the Division of Cardiovascular Medicine, Department of Internal Medicine, Saha Cardiovascular Center
| | - Xun Zhuang
- From the Division of Cardiovascular Medicine, Department of Internal Medicine, Saha Cardiovascular Center
| | - Xiping Zhang
- Department of Physiology, University of Kentucky, Lexington, Kentucky 40536
| | - Tao Luo
- From the Division of Cardiovascular Medicine, Department of Internal Medicine, Saha Cardiovascular Center
| | - Karyn A Esser
- Department of Physiology, University of Kentucky, Lexington, Kentucky 40536
| | - Hongmei Ren
- From the Division of Cardiovascular Medicine, Department of Internal Medicine, Saha Cardiovascular Center,
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Miao X, Luo Q, Qin X. Genome-wide analysis reveals the differential regulations of mRNAs and miRNAs in Dorset and Small Tail Han sheep muscles. Gene 2015; 562:188-96. [DOI: 10.1016/j.gene.2015.02.070] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Revised: 02/09/2015] [Accepted: 02/25/2015] [Indexed: 12/15/2022]
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Tummers B, Goedemans R, Pelascini LPL, Jordanova ES, van Esch EMG, Meyers C, Melief CJM, Boer JM, van der Burg SH. The interferon-related developmental regulator 1 is used by human papillomavirus to suppress NFκB activation. Nat Commun 2015; 6:6537. [PMID: 26055519 PMCID: PMC4382698 DOI: 10.1038/ncomms7537] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Accepted: 02/05/2015] [Indexed: 12/26/2022] Open
Abstract
High-risk human papillomaviruses (hrHPVs) infect keratinocytes and successfully evade host immunity despite the fact that keratinocytes are well equipped to respond to innate and adaptive immune signals. Using non-infected and freshly established or persistent hrHPV-infected keratinocytes we show that hrHPV impairs the acetylation of NFκB/RelA K310 in keratinocytes. As a consequence, keratinocytes display a decreased pro-inflammatory cytokine production and immune cell attraction in response to stimuli of the innate or adaptive immune pathways. HPV accomplishes this by augmenting the expression of interferon-related developmental regulator 1 (IFRD1) in an EGFR-dependent manner. Restoration of NFκB/RelA acetylation by IFRD1 shRNA, cetuximab treatment or the HDAC1/3 inhibitor entinostat increases basal and induced cytokine expression. Similar observations are made in IFRD1-overexpressing HPV-induced cancer cells. Thus, our study reveals an EGFR–IFRD1-mediated viral immune evasion mechanism, which can also be exploited by cancer cells. Human papillomavirus employs immune evasion strategies to establish a long-term infection. Here the authors show that the virus in the EGFR-dependent manner induces IFRD1, which blocks NFκB activating acetylation, and that this process can be suppressed by the EGFR inhibitor cetuximab.
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Affiliation(s)
- Bart Tummers
- Department of Clinical Oncology, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, The Netherlands
| | - Renske Goedemans
- Department of Clinical Oncology, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, The Netherlands
| | - Laetitia P L Pelascini
- Department of Molecular Cell Biology, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, The Netherlands
| | - Ekaterina S Jordanova
- Center for Gynaecological Oncology, Plesmanlaan 121, 1066CX Amsterdam, The Netherlands
| | - Edith M G van Esch
- Department of Gynaecology, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, The Netherlands
| | - Craig Meyers
- Department of Microbiology and Immunology, The Pennsylvania State University College of Medicine, 500 University Drive, Hershey, Pennsylvania 17033, USA
| | - Cornelis J M Melief
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, The Netherlands
| | - Judith M Boer
- Department of Human Genetics, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, The Netherlands
| | - Sjoerd H van der Burg
- Department of Clinical Oncology, Leiden University Medical Center, Albinusdreef 2, 2333ZA Leiden, The Netherlands
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Walker N, Kahamba T, Woudberg N, Goetsch K, Niesler C. Dose-dependent modulation of myogenesis by HGF: implications for c-Met expression and downstream signalling pathways. Growth Factors 2015; 33:229-41. [PMID: 26135603 DOI: 10.3109/08977194.2015.1058260] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Hepatocyte growth factor (HGF) regulates satellite cell activation, proliferation, and differentiation. We analyzed the dose-dependent effects of HGF on myogenesis. Murine C2C12 and human donor-derived skeletal muscle myoblasts were treated with 0, 2, or 10 ng/ml HGF followed by assessment of proliferation and differentiation. HGF (2 ng/ml) significantly promoted cell division, but reduced myogenic commitment and fusion. Conversely, 10 ng/ml HGF reduced proliferative capability, but increased differentiation. c-Met expression analysis revealed significantly decreased expression in differentiating cells cultured with 2 ng/ml HGF, but increased expression in proliferating cells with 10 ng/ml HGF. Mitogen-activated protein kinase (MAPKs: ERK, JNK, or p38K) and phosphatidylinositol-3-kinase (PI3K) inhibition abrogated the HGF-stimulated increase in cell number. Interestingly, PI3K and p38 kinase facilitated the negative effect of HGF on proliferation, while ERK inhibition abrogated the HGF-mediated decrease in differentiation. Dose-dependent effects of HGF are mediated by changes in c-Met expression and downstream MAPK and PI3K signalling.
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Affiliation(s)
- Nicholas Walker
- a Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal , Scottsville , South Africa
| | - Trish Kahamba
- a Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal , Scottsville , South Africa
| | - Nicholas Woudberg
- a Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal , Scottsville , South Africa
| | - Kyle Goetsch
- a Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal , Scottsville , South Africa
| | - Carola Niesler
- a Discipline of Biochemistry, School of Life Sciences, University of KwaZulu-Natal , Scottsville , South Africa
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38
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Petrie MA, Suneja M, Faidley E, Shields RK. A minimal dose of electrically induced muscle activity regulates distinct gene signaling pathways in humans with spinal cord injury. PLoS One 2014; 9:e115791. [PMID: 25531450 PMCID: PMC4274164 DOI: 10.1371/journal.pone.0115791] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 11/26/2014] [Indexed: 11/18/2022] Open
Abstract
Paralysis after a spinal cord injury (SCI) induces physiological adaptations that compromise the musculoskeletal and metabolic systems. Unlike non-SCI individuals, people with spinal cord injury experience minimal muscle activity which compromises optimal glucose utilization and metabolic control. Acute or chronic muscle activity, induced through electrical stimulation, may regulate key genes that enhance oxidative metabolism in paralyzed muscle. We investigated the short and long term effects of electrically induced exercise on mRNA expression of human paralyzed muscle. We developed an exercise dose that activated the muscle for only 0.6% of the day. The short term effects were assessed 3 hours after a single dose of exercise, while the long term effects were assessed after training 5 days per week for at least one year (adherence 81%). We found a single dose of exercise regulated 117 biological pathways as compared to 35 pathways after one year of training. A single dose of electrical stimulation increased the mRNA expression of transcriptional, translational, and enzyme regulators of metabolism important to shift muscle toward an oxidative phenotype (PGC-1α, NR4A3, IFRD1, ABRA, PDK4). However, chronic training increased the mRNA expression of specific metabolic pathway genes (BRP44, BRP44L, SDHB, ACADVL), mitochondrial fission and fusion genes (MFF, MFN1, MFN2), and slow muscle fiber genes (MYH6, MYH7, MYL3, MYL2). These findings support that a dose of electrical stimulation (∼10 minutes/day) regulates metabolic gene signaling pathways in human paralyzed muscle. Regulating these pathways early after SCI may contribute to reducing diabetes in people with longstanding paralysis from SCI.
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Affiliation(s)
- Michael A. Petrie
- Department of Physical Therapy and Rehabilitation Science, Carver College of Medicine, The University of Iowa, Iowa City, Iowa, United States of America
| | - Manish Suneja
- Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, Iowa, United States of America
| | - Elizabeth Faidley
- Department of Physical Therapy and Rehabilitation Science, Carver College of Medicine, The University of Iowa, Iowa City, Iowa, United States of America
| | - Richard K. Shields
- Department of Physical Therapy and Rehabilitation Science, Carver College of Medicine, The University of Iowa, Iowa City, Iowa, United States of America
- Department of Veterans Affairs, VA Medical Center, Iowa City, Iowa, United States of America
- * E-mail:
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Evangelou E, Kerkhof HJ, Styrkarsdottir U, Ntzani EE, Bos SD, Esko T, Evans DS, Metrustry S, Panoutsopoulou K, Ramos YFM, Thorleifsson G, Tsilidis KK, Arden N, Aslam N, Bellamy N, Birrell F, Blanco FJ, Carr A, Chapman K, Day-Williams AG, Deloukas P, Doherty M, Engström G, Helgadottir HT, Hofman A, Ingvarsson T, Jonsson H, Keis A, Keurentjes JC, Kloppenburg M, Lind PA, McCaskie A, Martin NG, Milani L, Montgomery GW, Nelissen RGHH, Nevitt MC, Nilsson PM, Ollier WER, Parimi N, Rai A, Ralston SH, Reed MR, Riancho JA, Rivadeneira F, Rodriguez-Fontenla C, Southam L, Thorsteinsdottir U, Tsezou A, Wallis GA, Wilkinson JM, Gonzalez A, Lane NE, Lohmander LS, Loughlin J, Metspalu A, Uitterlinden AG, Jonsdottir I, Stefansson K, Slagboom PE, Zeggini E, Meulenbelt I, Ioannidis JPA, Spector TD, van Meurs JBJ, Valdes AM. A meta-analysis of genome-wide association studies identifies novel variants associated with osteoarthritis of the hip. Ann Rheum Dis 2014; 73:2130-6. [PMID: 23989986 PMCID: PMC4251181 DOI: 10.1136/annrheumdis-2012-203114] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Accepted: 07/26/2013] [Indexed: 12/15/2022]
Abstract
OBJECTIVES Osteoarthritis (OA) is the most common form of arthritis with a clear genetic component. To identify novel loci associated with hip OA we performed a meta-analysis of genome-wide association studies (GWAS) on European subjects. METHODS We performed a two-stage meta-analysis on more than 78,000 participants. In stage 1, we synthesised data from eight GWAS whereas data from 10 centres were used for 'in silico' or 'de novo' replication. Besides the main analysis, a stratified by sex analysis was performed to detect possible sex-specific signals. Meta-analysis was performed using inverse-variance fixed effects models. A random effects approach was also used. RESULTS We accumulated 11,277 cases of radiographic and symptomatic hip OA. We prioritised eight single nucleotide polymorphism (SNPs) for follow-up in the discovery stage (4349 OA cases); five from the combined analysis, two male specific and one female specific. One locus, at 20q13, represented by rs6094710 (minor allele frequency (MAF) 4%) near the NCOA3 (nuclear receptor coactivator 3) gene, reached genome-wide significance level with p=7.9×10(-9) and OR=1.28 (95% CI 1.18 to 1.39) in the combined analysis of discovery (p=5.6×10(-8)) and follow-up studies (p=7.3×10(-4)). We showed that this gene is expressed in articular cartilage and its expression was significantly reduced in OA-affected cartilage. Moreover, two loci remained suggestive associated; rs5009270 at 7q31 (MAF 30%, p=9.9×10(-7), OR=1.10) and rs3757837 at 7p13 (MAF 6%, p=2.2×10(-6), OR=1.27 in male specific analysis). CONCLUSIONS Novel genetic loci for hip OA were found in this meta-analysis of GWAS.
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Affiliation(s)
- Evangelos Evangelou
- Department of Hygiene and Epidemiology, University of Ioannina Medical School, Ioannina, Greece
- Department of Twin Research & Genetic Epidemiology, King's College London, London, UK
| | - Hanneke J Kerkhof
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | | | - Evangelia E Ntzani
- Department of Hygiene and Epidemiology, University of Ioannina Medical School, Ioannina, Greece
| | - Steffan D Bos
- Department of Molecular Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
- Netherlands Consortium for Healthy Ageing, The Netherlands
| | - Tonu Esko
- Estonian Genome Center, University of Tartu, Tartu, Estonia
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Daniel S Evans
- California Pacific Medical Center Research Institute, San Francisco, USA
| | - Sarah Metrustry
- Department of Twin Research & Genetic Epidemiology, King's College London, London, UK
| | | | - Yolande F M Ramos
- Department of Molecular Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Konstantinos K Tsilidis
- Department of Hygiene and Epidemiology, University of Ioannina Medical School, Ioannina, Greece
| | | | - Nigel Arden
- NIHR Biomedical Research Unit and ARUK Centre of excellence for Sport, Exercise and Osteoarthritis, University of Oxford, Oxford, UK
- MRC Epidemiology Resource Centre, University of Southampton, Southampton, UK
| | - Nadim Aslam
- Worcestershire Royal Hospital, Worcestershire Acute Hospitals NHS Trust, Worcester, UK
| | - Nicholas Bellamy
- Centre of National Research on Disability and Rehabilitation Medicine, The University of Queensland, Brisbane, Australia
| | - Fraser Birrell
- Musculoskeletal Research Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
- Wansbeck General Hospital, Northumbria Healthcare NHS Foundation Trust, Ashington, UK
| | - Francisco J Blanco
- Rheumatology Division, Instituto de Investigación Biomédica-Hospital Universitario A Coruña, A Corunna, Spain
| | - Andrew Carr
- NIHR Biomedical Research Unit and ARUK Centre of excellence for Sport, Exercise and Osteoarthritis, University of Oxford, Oxford, UK
| | - Kay Chapman
- NIHR Biomedical Research Unit and ARUK Centre of excellence for Sport, Exercise and Osteoarthritis, University of Oxford, Oxford, UK
| | | | - Panos Deloukas
- Department of Human Genetics, Wellcome Trust Sanger Institute, Hinxton, UK
| | - Michael Doherty
- Department of Academic Rheumatology, University of Nottingham, Nottingham, UK
| | - Gunnar Engström
- Department of Clinical Sciences Malmo, Lund University, Malmo, Sweden
| | | | - Albert Hofman
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Thorvaldur Ingvarsson
- Department of Orthopedic Surgery, Akureyri Hospital, Akureyri, Iceland
- School of Health Sciences, University of Akureyri, Akureyri, Iceland
| | - Helgi Jonsson
- Department of Medicine, The National University Hospital of Iceland, Reykjavik, Iceland
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Aime Keis
- Department of Public Health, University of Tartu, Tartu, Estonia
- Orthopedic Surgeons, Elva Hospital, Elva, Estonia
| | | | - Margreet Kloppenburg
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Penelope A Lind
- Department of Quantitative Genetics, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Andrew McCaskie
- Musculoskeletal Research Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Nicholas G Martin
- Department of Genetic Epidemiology, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Lili Milani
- Estonian Genome Center, University of Tartu, Tartu, Estonia
| | - Grant W Montgomery
- Department of Molecular Epidemiology, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Rob G H H Nelissen
- Department of Orthopedics, Leiden University Medical Center, Leiden, The Netherlands
| | - Michael C Nevitt
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California, USA
| | - Peter M Nilsson
- Department of Clinical Sciences Malmo, Lund University, Malmo, Sweden
| | - William ER Ollier
- Centre for Integrated Genomic Medical Research, University of Manchester, Manchester, UK
| | - Neeta Parimi
- California Pacific Medical Center Research Institute, San Francisco, USA
| | - Ashok Rai
- Worcestershire Acute Hospitals NHS Trust, Worcester, UK
| | - Stuart H Ralston
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Mike R Reed
- Wansbeck General Hospital, Northumbria Healthcare NHS Foundation Trust, Ashington, UK
| | - Jose A Riancho
- Department of Internal Medicine, Hospital U.M. Valdecilla-IFIMAV, University of Cantabria, Santander, Spain
| | - Fernando Rivadeneira
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Cristina Rodriguez-Fontenla
- Laboratorio Investigacion 10 and Rheumatology Unit, Instituto de Investigacion Sanitaria—Hospital Clinico Universitario de Santiago, Santiago de Compostela, Spain
| | - Lorraine Southam
- Department of Human Genetics, Wellcome Trust Sanger Institute, Hinxton, UK
| | - Unnur Thorsteinsdottir
- Department of Population Genetics, deCODE Genetics, Reykjavik, Iceland
- Department of Medicine, The National University Hospital of Iceland, Reykjavik, Iceland
| | - Aspasia Tsezou
- Department of Biology, University of Thessaly, Medical School, Larissa, Greece
| | - Gillian A Wallis
- Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester, UK
| | - J Mark Wilkinson
- Department of Human Metabolism, University of Sheffield, Sheffield, UK
| | - Antonio Gonzalez
- Laboratorio Investigacion 10 and Rheumatology Unit, Instituto de Investigacion Sanitaria—Hospital Clinico Universitario de Santiago, Santiago de Compostela, Spain
| | - Nancy E Lane
- Department of Medicine, University of California at Davis, Sacramento, USA
| | - L Stefan Lohmander
- Research Unit for Musculoskeletal Function and Physiotherapy, and Department of Orthopedics and Traumatology, University of Southern Denmark, Odense, Denmark
- Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - John Loughlin
- Musculoskeletal Research Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Andres Metspalu
- Estonian Genome Center, University of Tartu, Tartu, Estonia
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Andre G Uitterlinden
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ingileif Jonsdottir
- Department of Population Genetics, deCODE Genetics, Reykjavik, Iceland
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Kari Stefansson
- Department of Population Genetics, deCODE Genetics, Reykjavik, Iceland
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - P Eline Slagboom
- Department of Molecular Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
- Netherlands Consortium for Healthy Ageing, The Netherlands
| | - Eleftheria Zeggini
- Department of Human Genetics, Wellcome Trust Sanger Institute, Hinxton, UK
| | - Ingrid Meulenbelt
- Department of Molecular Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
- Netherlands Consortium for Healthy Ageing, The Netherlands
| | - John PA Ioannidis
- Department of Hygiene and Epidemiology, University of Ioannina Medical School, Ioannina, Greece
- Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, USA
| | - Tim D Spector
- Department of Twin Research & Genetic Epidemiology, King's College London, London, UK
| | - Joyce B J van Meurs
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ana M Valdes
- Department of Twin Research & Genetic Epidemiology, King's College London, London, UK
- Department of Academic Rheumatology, University of Nottingham, Nottingham, UK
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40
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Galindo CL, Kasasbeh E, Murphy A, Ryzhov S, Lenihan S, Ahmad FA, Williams P, Nunnally A, Adcock J, Song Y, Harrell FE, Tran TL, Parry TJ, Iaci J, Ganguly A, Feoktistov I, Stephenson MK, Caggiano AO, Sawyer DB, Cleator JH. Anti-remodeling and anti-fibrotic effects of the neuregulin-1β glial growth factor 2 in a large animal model of heart failure. J Am Heart Assoc 2014; 3:e000773. [PMID: 25341890 PMCID: PMC4323814 DOI: 10.1161/jaha.113.000773] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Neuregulin-1β (NRG-1β) is a growth factor critical for cardiac development and repair with therapeutic potential for heart failure. We previously showed that the glial growth factor 2 (GGF2) isoform of NRG-1β improves cardiac function in rodents after myocardial infarction (MI), but its efficacy in a large animal model of cardiac injury has not been examined. We therefore sought to examine the effects of GGF2 on ventricular remodeling, cardiac function, and global transcription in post-MI swine, as well as potential mechanisms for anti-remodeling effects. METHODS AND RESULTS MI was induced in anesthetized swine (n=23) by intracoronary balloon occlusion. At 1 week post-MI, survivors (n=13) received GGF2 treatment (intravenous, biweekly for 4 weeks; n=8) or were untreated (n=5). At 5 weeks post-MI, fractional shortening was higher (32.8% versus 25.3%, P=0.019), and left ventricular (LV) end-diastolic dimension lower (4.5 versus 5.3 cm, P=0.003) in GGF2-treated animals. Treatment altered expression of 528 genes, as measured by microarrays, including collagens, basal lamina components, and matricellular proteins. GGF2-treated pigs exhibited improvements in LV cardiomyocyte mitochondria and intercalated disk structures and showed less fibrosis, altered matrix structure, and fewer myofibroblasts (myoFbs), based on trichrome staining, electron microscopy, and immunostaining. In vitro experiments with isolated murine and rat cardiac fibroblasts demonstrate that NRG-1β reduces myoFbs, and suppresses TGFβ-induced phospho-SMAD3 as well as αSMA expression. CONCLUSIONS These results suggest that GGF2/NRG-1β prevents adverse remodeling after injury in part via anti-fibrotic effects in the heart.
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Affiliation(s)
- Cristi L Galindo
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Ehab Kasasbeh
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Abigail Murphy
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Sergey Ryzhov
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Sean Lenihan
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Farhaan A Ahmad
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Philip Williams
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Amy Nunnally
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Jamie Adcock
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Yanna Song
- Department of Biostatistics, Vanderbilt University, Nashville, TN (Y.S., F.E.H.)
| | - Frank E Harrell
- Department of Biostatistics, Vanderbilt University, Nashville, TN (Y.S., F.E.H.)
| | - Truc-Linh Tran
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - Tom J Parry
- Acorda Therapeutics, Ardsley, NY (T.J.P., J.I., A.G., A.O.C.)
| | - Jen Iaci
- Acorda Therapeutics, Ardsley, NY (T.J.P., J.I., A.G., A.O.C.)
| | | | - Igor Feoktistov
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | | | | | - Douglas B Sawyer
- Division of Cardiovascular Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN (C.L.G., E.K., A.M., S.R., S.L., F.A.A., P.W., A.N., J.A., T.L.T., I.F., D.B.S.)
| | - John H Cleator
- Department of Pharmacology, Vanderbilt University, Nashville, TN (J.H.C.)
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De Luca G, Ferretti R, Bruschi M, Mezzaroma E, Caruso M. Cyclin D3 critically regulates the balance between self-renewal and differentiation in skeletal muscle stem cells. Stem Cells 2014; 31:2478-91. [PMID: 23897741 PMCID: PMC3963451 DOI: 10.1002/stem.1487] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Revised: 05/26/2013] [Accepted: 06/21/2013] [Indexed: 12/28/2022]
Abstract
Satellite cells are mitotically quiescent myogenic stem cells resident beneath the basal lamina surrounding adult muscle myofibers. In response to injury, multiple extrinsic signals drive the entry of satellite cells into the cell cycle and then to proliferation, differentiation, and self-renewal of their downstream progeny. Because satellite cells must endure for a lifetime, their cell cycle activity must be carefully controlled to coordinate proliferative expansion and self-renewal with the onset of the differentiation program. In this study, we find that cyclin D3, a member of the family of mitogen-activated D-type cyclins, is critically required for proper developmental progression of myogenic progenitors. Using a cyclin D3-knockout mouse we determined that cyclin D3 deficiency leads to reduced myofiber size and impaired establishment of the satellite cell population within the adult muscle. Cyclin D3-null myogenic progenitors, studied ex vivo on isolated myofibers and in vitro, displayed impaired cell cycle progression, increased differentiation potential, and reduced self-renewal capability. Similarly, silencing of cyclin D3 in C2 myoblasts caused anticipated exit from the cell cycle and precocious onset of terminal differentiation. After induced muscle damage, cyclin D3-null myogenic progenitors exhibited proliferation deficits, a precocious ability to form newly generated myofibers and a reduced capability to repopulate the satellite cell niche at later stages of the regeneration process. These results indicate that cyclin D3 plays a cell-autonomous and nonredundant function in regulating the dynamic balance between proliferation, differentiation, and self-renewal that normally establishes an appropriate pool size of adult satellite cells.
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Affiliation(s)
- Giulia De Luca
- National Research Council, Institute of Cell Biology and Neurobiology, Fondazione Santa Lucia, Roma, Italy
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42
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Garcia AM, Wakeman D, Lu J, Rowley C, Geisman T, Butler C, Bala S, Swietlicki EA, Warner BW, Levin MS, Rubin DC. Tis7 deletion reduces survival and induces intestinal anastomotic inflammation and obstruction in high-fat diet-fed mice with short bowel syndrome. Am J Physiol Gastrointest Liver Physiol 2014; 307:G642-54. [PMID: 25059825 PMCID: PMC4166722 DOI: 10.1152/ajpgi.00374.2013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Effective therapies are limited for patients with parenteral nutrition-dependent short bowel syndrome. We previously showed that intestinal expression of the transcriptional coregulator tetradecanoyl phorbol acetate-induced sequence 7 (tis7) is markedly increased during the adaptive response following massive small bowel resection and tis7 plays a role in normal gut lipid metabolism. Here, we further explore the functional implications of tis7 deletion in intestinal lipid metabolism and the adaptive response following small bowel resection. Intestinal tis7 transgenic (tis7(tg)), tis7(-/-), and wild-type (WT) littermates were subjected to 50% small bowel resection. Mice were fed a control or a high-saturated-fat (42% energy) diet for 21 days. Survival, body weight recovery, lipid absorption, mucosal lipid analysis, and the morphometric adaptive response were analyzed. Quantitative real-time PCR was performed to identify tis7 downstream gene targets. Postresection survival was markedly reduced in high-fat, but not control, diet-fed tis7(-/-) mice. Decreased survival was associated with anastomotic inflammation and intestinal obstruction postresection. High-fat, but not control, diet-fed tis7(-/-) mice had increased intestinal IL-6 expression. Intestinal lipid trafficking was altered in tis7(-/-) compared with WT mice postresection. In contrast, high-fat diet-fed tis7(tg) mice had improved survival postresection compared with WT littermates. High-fat diet feeding in the setting of tis7 deletion resulted in postresection anastomotic inflammation and small bowel obstruction. Tolerance of a calorie-rich, high-fat diet postresection may require tis7 and its target genes. The presence of luminal fat in the setting of tis7 deletion promotes an intestinal inflammatory response postresection.
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Affiliation(s)
- Amy M. Garcia
- 2Division of Pediatric Gastroenterology, Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri;
| | - Derek Wakeman
- 3Department of Pediatric Surgery, Washington University School of Medicine, St. Louis, Missouri;
| | - Jianyun Lu
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri;
| | - Christopher Rowley
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri;
| | - Taylor Geisman
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri;
| | - Catherine Butler
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri;
| | - Shashi Bala
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri;
| | - Elzbieta A. Swietlicki
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri;
| | - Brad W. Warner
- 3Department of Pediatric Surgery, Washington University School of Medicine, St. Louis, Missouri;
| | - Marc S. Levin
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri; ,4Department of Medicine, Veterans Affairs St. Louis Health Care System; St. Louis, Missouri; and
| | - Deborah C. Rubin
- 1Division of Gastroenterology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri; ,5Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri
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Farioli-Vecchioli S, Ceccarelli M, Saraulli D, Micheli L, Cannas S, D'Alessandro F, Scardigli R, Leonardi L, Cinà I, Costanzi M, Mattera A, Cestari V, Tirone F. Tis21 is required for adult neurogenesis in the subventricular zone and for olfactory behavior regulating cyclins, BMP4, Hes1/5 and Ids. Front Cell Neurosci 2014; 8:98. [PMID: 24744701 PMCID: PMC3977348 DOI: 10.3389/fncel.2014.00098] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 03/14/2014] [Indexed: 12/18/2022] Open
Abstract
Bone morphogenic proteins (BMPs) and the Notch pathway regulate quiescence and self-renewal of stem cells of the subventricular zone (SVZ), an adult neurogenic niche. Here we analyze the role at the intersection of these pathways of Tis21 (Btg2/PC3), a gene regulating proliferation and differentiation of adult SVZ stem and progenitor cells. In Tis21-null SVZ and cultured neurospheres, we observed a strong decrease in the expression of BMP4 and its effectors Smad1/8, while the Notch anti-neural mediators Hes1/5 and the basic helix-loop-helix (bHLH) inhibitors Id1-3 increased. Consistently, expression of the proneural bHLH gene NeuroD1 decreased. Moreover, cyclins D1/2, A2, and E were strongly up-regulated. Thus, in the SVZ Tis21 activates the BMP pathway and inhibits the Notch pathway and the cell cycle. Correspondingly, the Tis21-null SVZ stem cells greatly increased; nonetheless, the proliferating neuroblasts diminished, whereas the post-mitotic neuroblasts paradoxically accumulated in SVZ, failing to migrate along the rostral migratory stream to the olfactory bulb. The ability, however, of neuroblasts to migrate from SVZ explants was not affected, suggesting that Tis21-null neuroblasts do not migrate to the olfactory bulb because of a defect in terminal differentiation. Notably, BMP4 addition or Id3 silencing rescued the defective differentiation observed in Tis21-null neurospheres, indicating that they mediate the Tis21 pro-differentiative action. The reduced number of granule neurons in the Tis21-null olfactory bulb led to a defect in olfactory detection threshold, without effect on olfactory memory, also suggesting that within olfactory circuits new granule neurons play a primary role in odor sensitivity rather than in memory.
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Affiliation(s)
- Stefano Farioli-Vecchioli
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
| | - Manuela Ceccarelli
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
| | - Daniele Saraulli
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
| | - Laura Micheli
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
| | - Sara Cannas
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy ; Department of Psychology and "Daniel Bovet" Center, Sapienza University of Rome Rome, Italy
| | - Francesca D'Alessandro
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy ; Department of Psychology and "Daniel Bovet" Center, Sapienza University of Rome Rome, Italy
| | - Raffaella Scardigli
- Institute of Translational Pharmacology, National Research Council, Fondazione EBRI Rome, Italy
| | - Luca Leonardi
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
| | - Irene Cinà
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
| | - Marco Costanzi
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy ; Libera Università Maria Sartissima Assunta Rome, Italy
| | - Andrea Mattera
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
| | - Vincenzo Cestari
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy ; Department of Psychology and "Daniel Bovet" Center, Sapienza University of Rome Rome, Italy
| | - Felice Tirone
- Institute of Cell Biology and Neurobiology, National Research Council, Fondazione Santa Lucia Rome, Italy
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Abstract
In recent years, the role of acetylation has gained ground as an essential modulator of intermediary metabolism in skeletal muscle. Imbalance in energy homeostasis or chronic cellular stress, due to diet, aging, or disease, translate into alterations in the acetylation levels of key proteins which govern bioenergetics, cellular substrate use, and/or changes in mitochondrial content and function. For example, cellular stress induced by exercise or caloric restriction can alter the coordinated activity of acetyltransferases and deacetylases to increase mitochondrial biogenesis and function in order to adapt to low energetic levels. The natural duality of these enzymes, as metabolic sensors and effector proteins, has helped biologists to understand how the body can integrate seemingly distinct signaling pathways to control mitochondrial biogenesis, insulin sensitivity, glucose transport, reactive oxygen species handling, angiogenesis, and muscle satellite cell proliferation/differentiation. Our review will summarize the recent developments related to acetylation-dependent responses following metabolic stress in skeletal muscle.
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Affiliation(s)
- Keir Menzies
- Laboratory of Integrative and Systems Physiology (LISP/NCEM), Institute of Bioengineering, Life science faculty, École Polytechnique Fédérale de Lausanne (EPFL), Switzerland
| | - Johan Auwerx
- Laboratory of Integrative and Systems Physiology (LISP/NCEM), Institute of Bioengineering, Life science faculty, École Polytechnique Fédérale de Lausanne (EPFL), Switzerland
- Correspondence: Johan Auwerx: Laboratory of Integrative and Systems Physiology (LISP), École Polytechnique Fédérale de Lausanne (EPFL), Station 15, CH-1015 Lausanne, Switzerland; Phone: +41 (0) 21 693 9522; Fax: +41 (0) 21 693 9600;
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45
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Olsson M, Tintle L, Kierczak M, Perloski M, Tonomura N, Lundquist A, Murén E, Fels M, Tengvall K, Pielberg G, Dufaure de Citres C, Dorso L, Abadie J, Hanson J, Thomas A, Leegwater P, Hedhammar Å, Lindblad-Toh K, Meadows JRS. Thorough investigation of a canine autoinflammatory disease (AID) confirms one main risk locus and suggests a modifier locus for amyloidosis. PLoS One 2013; 8:e75242. [PMID: 24130694 PMCID: PMC3793984 DOI: 10.1371/journal.pone.0075242] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Accepted: 08/13/2013] [Indexed: 12/04/2022] Open
Abstract
Autoinflammatory disease (AID) manifests from the dysregulation of the innate immune system and is characterised by systemic and persistent inflammation. Clinical heterogeneity leads to patients presenting with one or a spectrum of phenotypic signs, leading to difficult diagnoses in the absence of a clear genetic cause. We used separate genome-wide SNP analyses to investigate five signs of AID (recurrent fever, arthritis, breed specific secondary dermatitis, otitis and systemic reactive amyloidosis) in a canine comparative model, the pure bred Chinese Shar-Pei. Analysis of 255 DNA samples revealed a shared locus on chromosome 13 spanning two peaks of association. A three-marker haplotype based on the most significant SNP (p<2.6×10−8) from each analysis showed that one haplotypic pair (H13-11) was present in the majority of AID individuals, implicating this as a shared risk factor for all phenotypes. We also noted that a genetic signature (FST) distinguishing the phenotypic extremes of the breed specific Chinese Shar-Pei thick and wrinkled skin, flanked the chromosome 13 AID locus; suggesting that breed development and differentiation has played a parallel role in the genetics of breed fitness. Intriguingly, a potential modifier locus for amyloidosis was revealed on chromosome 14, and an investigation of candidate genes from both this and the chromosome 13 regions revealed significant (p<0.05) renal differential expression in four genes previously implicated in kidney or immune health (AOAH, ELMO1, HAS2 and IL6). These results illustrate that phenotypic heterogeneity need not be a reflection of genetic heterogeneity, and that genetic modifiers of disease could be masked if syndromes were not first considered as individual clinical signs and then as a sum of their component parts.
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Affiliation(s)
- Mia Olsson
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- * E-mail: (MO); (KL-T); (JRSM)
| | - Linda Tintle
- Wurtsboro Veterinary Clinic, Wurtsboro, New York, United States of America
| | - Marcin Kierczak
- Computational Genetics Section, Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Michele Perloski
- Broad Institute of Harvard and Massachusetts Institute of Technology (MIT), Cambridge, MA, United States of America
| | - Noriko Tonomura
- Broad Institute of Harvard and Massachusetts Institute of Technology (MIT), Cambridge, MA, United States of America
- Department of Clinical Sciences, Cummings School of Veterinary Medicine at Tufts University, North Grafton, Massachusetts, United States of America
| | - Andrew Lundquist
- Broad Institute of Harvard and Massachusetts Institute of Technology (MIT), Cambridge, MA, United States of America
| | - Eva Murén
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Max Fels
- Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Katarina Tengvall
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Gerli Pielberg
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | | | - Laetitia Dorso
- LUNAM University, Oniris, AMaROC Unit, Nantes, F-44307, France
| | - Jérôme Abadie
- LUNAM University, Oniris, AMaROC Unit, Nantes, F-44307, France
| | - Jeanette Hanson
- Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Anne Thomas
- ANTAGENE Animal Genetics Laboratory, La Tour de Salvagny (69 Lyon), France
| | - Peter Leegwater
- Department of Clinical Sciences of Companion Animals, Utrecht University, Utrecht, The Netherlands
| | - Åke Hedhammar
- Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Kerstin Lindblad-Toh
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- Broad Institute of Harvard and Massachusetts Institute of Technology (MIT), Cambridge, MA, United States of America
- * E-mail: (MO); (KL-T); (JRSM)
| | - Jennifer R. S. Meadows
- Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- * E-mail: (MO); (KL-T); (JRSM)
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Michailidis Y, Karagounis LG, Terzis G, Jamurtas AZ, Spengos K, Tsoukas D, Chatzinikolaou A, Mandalidis D, Stefanetti RJ, Papassotiriou I, Athanasopoulos S, Hawley JA, Russell AP, Fatouros IG. Thiol-based antioxidant supplementation alters human skeletal muscle signaling and attenuates its inflammatory response and recovery after intense eccentric exercise. Am J Clin Nutr 2013; 98:233-45. [PMID: 23719546 DOI: 10.3945/ajcn.112.049163] [Citation(s) in RCA: 103] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The major thiol-disulfide couple of reduced glutathione (GSH) and oxidized glutathione is a key regulator of major transcriptional pathways regulating aseptic inflammation and recovery of skeletal muscle after aseptic injury. Antioxidant supplementation may hamper exercise-induced cellular adaptations. OBJECTIVE The objective was to examine how thiol-based antioxidant supplementation affects skeletal muscle's performance and redox-sensitive signaling during the inflammatory and repair phases associated with exercise-induced microtrauma. DESIGN In a double-blind, crossover design, 10 men received placebo or N-acetylcysteine (NAC; 20 mg · kg(-1) · d(-1)) after muscle-damaging exercise (300 eccentric contractions). In each trial, muscle performance was measured at baseline, after exercise, 2 h after exercise, and daily for 8 consecutive days. Muscle biopsy samples from vastus lateralis and blood samples were collected before exercise and 2 h, 2 d, and 8 d after exercise. RESULTS NAC attenuated the elevation of inflammatory markers of muscle damage (creatine kinase activity, C-reactive protein, proinflammatory cytokines), nuclear factor κB phosphorylation, and the decrease in strength during the first 2 d of recovery. NAC also blunted the increase in phosphorylation of protein kinase B, mammalian target of rapamycin, p70 ribosomal S6 kinase, ribosomal protein S6, and mitogen activated protein kinase p38 at 2 and 8 d after exercise. NAC also abolished the increase in myogenic determination factor and reduced tumor necrosis factor-α 8 d after exercise. Performance was completely recovered only in the placebo group. CONCLUSION Although thiol-based antioxidant supplementation enhances GSH availability in skeletal muscle, it disrupts the skeletal muscle inflammatory response and repair capability, potentially because of a blunted activation of redox-sensitive signaling pathways. This trial was registered at clinicaltrials.gov as NCT01778309.
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Affiliation(s)
- Yannis Michailidis
- Democritus University of Thrace, Department of Physical Education and Sport Sciences, Komotini, Greece
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Wei W, He HB, Zhang WY, Zhang HX, Bai JB, Liu HZ, Cao JH, Chang KC, Li XY, Zhao SH. miR-29 targets Akt3 to reduce proliferation and facilitate differentiation of myoblasts in skeletal muscle development. Cell Death Dis 2013; 4:e668. [PMID: 23764849 PMCID: PMC3698551 DOI: 10.1038/cddis.2013.184] [Citation(s) in RCA: 136] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
MicroRNAs (miRNAs) are a type of endogenous noncoding small RNAs involved in the regulation of multiple biological processes. Recently, miR-29 was found to participate in myogenesis. However, the underlying mechanisms by which miR-29 promotes myogenesis have not been identified. We found here that miR-29 was significantly upregulated with age in postnatal mouse skeletal muscle and during muscle differentiation. Overexpression of miR-29 inhibited mouse C2C12 myoblast proliferation and promoted myotube formation. miR-29 specifically targeted Akt3, a member of the serine/threonine protein kinase family responsive to growth factor cell signaling, to result in its post-transcriptional downregulation. Furthermore, knockdown of Akt3 by siRNA significantly inhibited the proliferation of C2C12 cells, and conversely, overexpression of Akt3 suppressed their differentiation. Collectively and given the inverse endogenous expression pattern of rising miR-29 levels and decreasing Akt3 protein levels with age in mouse skeletal muscle, we propose a novel mechanism in which miR-29 modulates growth and promotes differentiation of skeletal muscle through the post-transcriptional downregulation of Akt3.
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Affiliation(s)
- W Wei
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, PRC
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Myocyte enhancer factor 2C in hematopoiesis and leukemia. Oncogene 2013; 33:403-10. [PMID: 23435431 DOI: 10.1038/onc.2013.56] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Revised: 01/17/2013] [Accepted: 01/18/2013] [Indexed: 12/21/2022]
Abstract
MEF2C is a selectively expressed transcription factor involved in different transcriptional complexes. Originally identified as an essential regulator of muscle development, ectopic expression of MEF2C as a result of chromosomal rearrangements is now linked to leukemia. Specifically, high MEF2C expression has been linked to mixed lineage leukemia-rearranged acute myeloid leukemia as well as to the immature subgroup of T-cell acute lymphoblastic leukemia. This review focuses on the role of MEF2C in the hematopoietic system and on aberrant MEF2C expression in human leukemia.
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Li S, Chen W, Kang X, Han R, Sun G, Huang Y. Distinct tissue expression profiles of chicken Lpin1-α/β isoforms and the effect of the variation on muscle fiber traits. Gene 2013; 515:281-90. [PMID: 23266642 DOI: 10.1016/j.gene.2012.11.075] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2012] [Revised: 10/14/2012] [Accepted: 11/27/2012] [Indexed: 11/17/2022]
Affiliation(s)
- Suya Li
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, Henan, China
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Toll-like receptor 4 is involved in bacterial endotoxin-induced endothelial cell injury and SOC-mediated calcium regulation. Cell Biol Int 2012; 36:475-81. [PMID: 22288713 DOI: 10.1042/cbi20110535] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Bacterial endotoxins may lead to vascular endothelial cell injury. Our study explored the role of TLR4 (Toll-like receptor 4) and STIM1 (stromal interaction molecule 1) in bacterial endotoxin-induced calcium overload and inflammatory reactions in HUVECs (human umbilical vein endothelial cells). It showed that under LPS (lipopolysaccharide) stimulation, LBP (LPS-binding protein) mRNA levels peaked at 24 h, TLR4 levels at 12 h and NF-κB (nuclear factor κB) levels at 6 h (all P<0.01). LBP levels increased gradually and peaked at 24 h of LPS treatment. TLR4 protein levels increased significantly at 1 h and peaked at 12 h. NF-κB protein levels markedly increased at 1 h and peaked at 6 h. Knockdown of STIM1 alone, TLR4 alone or both STIM1 and TLR4 together, markedly abolished LPS-induced increase in calcium influx into cells (P<0.05, P<0.01 and P<0.01 respectively). LBP-TLR4 and STIM-NF-κB interactions were detected without LPS treatment, enhanced by LPS stimulation, and markedly reduced by knocking down TLR4 and STIM respectively. Both the NF-κB inhibitor, PDTC (pyrrolidine dithiocarbamate) and TLR4 knockdown could block LPS induction of NF-κB, STIM, TNFα (tumour necrosis factor α) and IL-6 (interleukin 6). The data indicate LPS-LBP may activate TLR4 signalling and downstream transcription factor NF-κB, which further can activate STIM1 and eventually lead to calcium influx and injury of HUVECs. Inhibition of TLR4 effectively reverses LPS induction of inflammatory mediator generation and extracellular calcium influx mediated by STIM1.
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