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Song F, Hu Y, Hong Y, Sun H, Han Y, Mao Y, Wu W, Li G, Wang Y. Deletion of endothelial IGFBP5 protects against ischaemic hindlimb injury by promoting angiogenesis. Clin Transl Med 2024; 14:e1725. [PMID: 38886900 PMCID: PMC11182737 DOI: 10.1002/ctm2.1725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 05/10/2024] [Accepted: 05/13/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Angiogenesis is critical for forming new blood vessels from antedating vascular vessels. The endothelium is essential for angiogenesis, vascular remodelling and minimisation of functional deficits following ischaemia. The insulin-like growth factor (IGF) family is crucial for angiogenesis. Insulin-like growth factor-binding protein 5 (IGFBP5), a binding protein of the IGF family, may have places in angiogenesis, but the mechanisms are not yet completely understood. We sought to probe whether IGFBP5 is involved in pathological angiogenesis and uncover the molecular mechanisms behind it. METHODS AND RESULTS IGFBP5 expression was elevated in the vascular endothelium of gastrocnemius muscle from critical limb ischaemia patients and hindlimb ischaemic (HLI) mice and hypoxic human umbilical vein endothelial cells (HUVECs). In vivo, loss of endothelial IGFBP5 (IGFBP5EKO) facilitated the recovery of blood vessel function and limb necrosis in HLI mice. Moreover, skin damage healing and aortic ring sprouting were faster in IGFBP5EKO mice than in control mice. In vitro, the genetic inhibition of IGFBP5 in HUVECs significantly promoted tube formation, cell proliferation and migration by mediating the phosphorylation of IGF1R, Erk1/2 and Akt. Intriguingly, pharmacological treatment of HUVECs with recombinant human IGFBP5 ensued a contrasting effect on angiogenesis by inhibiting the IGF1 or IGF2 function. Genetic inhibition of IGFBP5 promoted cellular oxygen consumption and extracellular acidification rates via IGF1R-mediated glycolytic adenosine triphosphate (ATP) metabolism. Mechanistically, IGFBP5 exerted its role via E3 ubiquitin ligase Von Hippel-Lindau (VHL)-regulated HIF1α stability. Furthermore, the knockdown of the endothelial IGF1R partially abolished the reformative effect of IGFBP5EKO mice post-HLI. CONCLUSION Our findings demonstrate that IGFBP5 ablation enhances angiogenesis by promoting ATP metabolism and stabilising HIF1α, implying IGFBP5 is a novel therapeutic target for treating abnormal angiogenesis-related conditions.
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Affiliation(s)
- Fei Song
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
| | - Yu Hu
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
| | - Yi‐Xiang Hong
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
| | - Hu Sun
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
| | - Yue Han
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
| | - Yi‐Jie Mao
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
| | - Wei‐Yin Wu
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
- Xiamen Key Laboratory of Cardiovascular DiseasesXiamenChina
| | - Gang Li
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
- Xiamen Key Laboratory of Cardiovascular DiseasesXiamenChina
| | - Yan Wang
- Xiamen Cardiovascular Hospital of Xiamen University, School of Medicine, Xiamen UniversityXiamenChina
- Xiamen Key Laboratory of Cardiovascular DiseasesXiamenChina
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2
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Zheng J, Zhang W, Xu Y, Cui A, Jiang Y, Wang B. Insulin-like growth factor binding protein-3 (igfbp-3) and igfbp-5 in yellowtail kingfish (Seriola lalandi): molecular characterization and expression levels under different nutritional status and stocking density. FISH PHYSIOLOGY AND BIOCHEMISTRY 2024:10.1007/s10695-024-01359-w. [PMID: 38758504 DOI: 10.1007/s10695-024-01359-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 05/09/2024] [Indexed: 05/18/2024]
Abstract
Insulin-like growth factor-binding proteins (IGFBPs) play important roles in regulating growth and development by binding to IGF, where IGFBP-3 and IGFBP-5 are the main binding carriers of IGF in the circulation system. In the present study, the gene sequences of igfbp-3, igfbp-5a, and igfbp-5b were cloned from the liver of yellowtail kingfish (Seriola lalandi). The ORF sequences of igfbp-3, igfbp-5a, and igfbp-5b were 888, 801, and 804 bp in length, which encoded 295, 266, and 267 amino acids, respectively. The above three genes were widely expressed in yellowtail kingfish tissues, with igfbp-3 being the most highly expressed in the heart, brain, and gonads, while igfbp-5a and igfbp-5b were both most highly expressed in the liver and kidney. The expression levels of igfbp-3, igfbp-5a, and igfbp-5b were detected throughout the embryonic and larval stages, suggesting their roles in early development and growth regulation of yellowtail kingfish. Besides, igfbp-3 and igfbp-5a were significantly up-regulated in the liver under food deprivation and high-density rearing conditions, which was exactly opposite to the growth performance of yellowtail kingfish, implying that they may serve as biomarkers of adverse culture conditions. Overall, the above results initially identified the molecular characteristics of igfbp-3/-5a/-5b in yellowtail kingfish and implied that they might play important roles in the growth and development, providing a basis for further research on underlying regulatory mechanisms.
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Affiliation(s)
- Jichang Zheng
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Wenjing Zhang
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Yongjiang Xu
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China.
| | - Aijun Cui
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Yan Jiang
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Bin Wang
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
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3
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Takegaki J, Sase K, Kono Y, Fujita T, Konishi S, Fujita S. Intramuscular injection of mesenchymal stem cells augments basal muscle protein synthesis after bouts of resistance exercise in male mice. Physiol Rep 2024; 12:e15991. [PMID: 38605421 PMCID: PMC11009371 DOI: 10.14814/phy2.15991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 03/18/2024] [Accepted: 03/18/2024] [Indexed: 04/13/2024] Open
Abstract
Skeletal muscle mass is critical for activities of daily living. Resistance training maintains or increases muscle mass, and various strategies maximize the training adaptation. Mesenchymal stem cells (MSCs) are multipotent cells with differential potency in skeletal muscle cells and the capacity to secrete growth factors. However, little is known regarding the effect of intramuscular injection of MSCs on basal muscle protein synthesis and catabolic systems after resistance training. Here, we measured changes in basal muscle protein synthesis, the ubiquitin-proteasome system, and autophagy-lysosome system-related factors after bouts of resistance exercise by intramuscular injection of MSCs. Mice performed three bouts of resistance exercise (each consisting of 50 maximal isometric contractions elicited by electrical stimulation) on the right gastrocnemius muscle every 48 h, and immediately after the first bout, mice were intramuscularly injected with either MSCs (2.0 × 106 cells) labeled with green fluorescence protein (GFP) or vehicle only placebo. Seventy-two hours after the third exercise bout, GFP was detected only in the muscle injected with MSCs with concomitant elevation of muscle protein synthesis. The injection of MSCs also increased protein ubiquitination. These results suggest that the intramuscular injection of MSCs augmented muscle protein turnover at the basal state after consecutive resistance exercise.
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Affiliation(s)
- Junya Takegaki
- Research Organization of Science and TechnologyRitsumeikan UniversityKusatsuShigaJapan
- Ritsumeikan Global Innovation Research OrganizationRitsumeikan UniversityKusatsuShigaJapan
- Graduate School of Agricultural ScienceKobe UniversityKobeHyogoJapan
| | - Kohei Sase
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
| | - Yusuke Kono
- Ritsumeikan Global Innovation Research OrganizationRitsumeikan UniversityKusatsuShigaJapan
- Faculty of Pharmaceutical SciencesKobe Pharmaceutical UniversityKobeHyogoJapan
| | - Takuya Fujita
- College of Pharmaceutical SciencesRitsumeikan UniversityKusatsuShigaJapan
| | - Satoshi Konishi
- Faculty of Science and EngineeringRitsumeikan UniversityKusatsuShigaJapan
| | - Satoshi Fujita
- Faculty of Sport and Health ScienceRitsumeikan UniversityKusatsuShigaJapan
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4
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Schöpf J, Uhrig S, Heilig CE, Lee KS, Walther T, Carazzato A, Dobberkau AM, Weichenhan D, Plass C, Hartmann M, Diwan GD, Carrero ZI, Ball CR, Hohl T, Kindler T, Rudolph-Hähnel P, Helm D, Schneider M, Nilsson A, Øra I, Imle R, Banito A, Russell RB, Jones BC, Lipka DB, Glimm H, Hübschmann D, Hartmann W, Fröhling S, Scholl C. Multi-omic and functional analysis for classification and treatment of sarcomas with FUS-TFCP2 or EWSR1-TFCP2 fusions. Nat Commun 2024; 15:51. [PMID: 38168093 PMCID: PMC10761971 DOI: 10.1038/s41467-023-44360-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024] Open
Abstract
Linking clinical multi-omics with mechanistic studies may improve the understanding of rare cancers. We leverage two precision oncology programs to investigate rhabdomyosarcoma with FUS/EWSR1-TFCP2 fusions, an orphan malignancy without effective therapies. All tumors exhibit outlier ALK expression, partly accompanied by intragenic deletions and aberrant splicing resulting in ALK variants that are oncogenic and sensitive to ALK inhibitors. Additionally, recurrent CKDN2A/MTAP co-deletions provide a rationale for PRMT5-targeted therapies. Functional studies show that FUS-TFCP2 blocks myogenic differentiation, induces transcription of ALK and truncated TERT, and inhibits DNA repair. Unlike other fusion-driven sarcomas, TFCP2-rearranged tumors exhibit genomic instability and signs of defective homologous recombination. DNA methylation profiling demonstrates a close relationship with undifferentiated sarcomas. In two patients, sarcoma was preceded by benign lesions carrying FUS-TFCP2, indicating stepwise sarcomagenesis. This study illustrates the potential of linking precision oncology with preclinical research to gain insight into the classification, pathogenesis, and therapeutic vulnerabilities of rare cancers.
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Affiliation(s)
- Julia Schöpf
- Division of Applied Functional Genomics, German Cancer Research Center (DKFZ), and National Center for Tumor Diseases (NCT), NCT Heidelberg, a Partnership Between DKFZ and Heidelberg University Hospital, Heidelberg, Germany
- Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Sebastian Uhrig
- Computational Oncology Group, Molecular Precision Oncology Program, NCT Heidelberg, and DKFZ, Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Christoph E Heilig
- Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Kwang-Seok Lee
- Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
| | - Tatjana Walther
- Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
| | - Alexander Carazzato
- Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
| | - Anna Maria Dobberkau
- Section of Translational Cancer Epigenomics, Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
| | | | | | - Mark Hartmann
- Section of Translational Cancer Epigenomics, Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
| | - Gaurav D Diwan
- Bioquant, Heidelberg University, Heidelberg, Germany
- Heidelberg University Biochemistry Center (BZH), Heidelberg, Germany
| | - Zunamys I Carrero
- Department for Translational Medical Oncology, NCT, NCT/UCC Dresden, a Partnership Between DKFZ, Heidelberg Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, and Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- German Cancer Consortium (DKTK), Dresden, Germany
| | - Claudia R Ball
- Department for Translational Medical Oncology, NCT, NCT/UCC Dresden, a Partnership Between DKFZ, Heidelberg Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, and Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- German Cancer Consortium (DKTK), Dresden, Germany
- Translational Medical Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD, Dresden, Germany
- Faculty of Biology, TUD Dresden University of Technology, Dresden, Germany
| | - Tobias Hohl
- Division of Applied Functional Genomics, German Cancer Research Center (DKFZ), and National Center for Tumor Diseases (NCT), NCT Heidelberg, a Partnership Between DKFZ and Heidelberg University Hospital, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Thomas Kindler
- University Cancer Center Mainz, Johannes Gutenberg University Mainz, Mainz, Germany
- Department of Hematology, Medical Oncology and Pneumology, University Medical Center, Mainz, Germany
- German Cancer Consortium (DKTK), Mainz, Germany
| | - Patricia Rudolph-Hähnel
- University Cancer Center Mainz, Johannes Gutenberg University Mainz, Mainz, Germany
- Department of Hematology, Medical Oncology and Pneumology, University Medical Center, Mainz, Germany
- German Cancer Consortium (DKTK), Mainz, Germany
| | - Dominic Helm
- Proteomics Core Facility, DKFZ, Heidelberg, Germany
| | | | - Anna Nilsson
- Pediatric Oncology and Coagulation, Karolinska University Hospital, Stockholm, Sweden
| | - Ingrid Øra
- Pediatric Oncology and Hematology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Roland Imle
- Soft-Tissue Sarcoma Junior Research Group, DKFZ, Heidelberg, Germany
- Hopp Children's Cancer Center (KiTZ) and NCT Heidelberg, Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Ana Banito
- Soft-Tissue Sarcoma Junior Research Group, DKFZ, Heidelberg, Germany
- Hopp Children's Cancer Center (KiTZ) and NCT Heidelberg, Heidelberg, Germany
| | - Robert B Russell
- Bioquant, Heidelberg University, Heidelberg, Germany
- Heidelberg University Biochemistry Center (BZH), Heidelberg, Germany
| | - Barbara C Jones
- German Cancer Consortium (DKTK), Heidelberg, Germany
- Hopp Children's Cancer Center (KiTZ) and NCT Heidelberg, Heidelberg, Germany
- Department of Pediatric Oncology, Hematology and Immunology, Heidelberg University Hospital, Heidelberg, Germany
| | - Daniel B Lipka
- Section of Translational Cancer Epigenomics, Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany
| | - Hanno Glimm
- Department for Translational Medical Oncology, NCT, NCT/UCC Dresden, a Partnership Between DKFZ, Heidelberg Faculty of Medicine and University Hospital Carl Gustav Carus, TUD Dresden University of Technology, and Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany
- German Cancer Consortium (DKTK), Dresden, Germany
- Translational Medical Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, TUD, Dresden, Germany
- Translational Functional Cancer Genomics, DKFZ, Heidelberg, Germany
| | - Daniel Hübschmann
- Computational Oncology Group, Molecular Precision Oncology Program, NCT Heidelberg, and DKFZ, Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
- Pattern Recognition and Digital Medicine Group, Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), Heidelberg, Germany
| | - Wolfgang Hartmann
- Gerhard Domagk Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Stefan Fröhling
- Division of Translational Medical Oncology, DKFZ, and NCT Heidelberg, Heidelberg, Germany.
- German Cancer Consortium (DKTK), Heidelberg, Germany.
- Institute of Human Genetics, Heidelberg University, Heidelberg, Germany.
| | - Claudia Scholl
- Division of Applied Functional Genomics, German Cancer Research Center (DKFZ), and National Center for Tumor Diseases (NCT), NCT Heidelberg, a Partnership Between DKFZ and Heidelberg University Hospital, Heidelberg, Germany.
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5
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Zhang B, Deng X, You R, Liu J, Hou D, Wang X, Chen S, Li D, Fu Q, Zhang J, Huang H, Chen X. Secreted insulin-like growth factor binding protein 5 functions as a tumor suppressor and chemosensitizer through inhibiting insulin-like growth factor 1 receptor/protein kinase B pathway in acute myeloid leukemia. Neoplasia 2024; 47:100952. [PMID: 38159363 PMCID: PMC10829870 DOI: 10.1016/j.neo.2023.100952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/03/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND In addition to being secreted into the intercellular spaces by exocytosis, insulin-like growth factor binding protein 5 (IGFBP5) may also remain in the cytosol or be transported to the nucleus. Depending on the different cellular context and subcellular distribution, IGFBP5 can act as a tumor suppressor or promoter through insulin-like growth factor -dependent or -independent mechanisms. Yet, little is known about the impacts of IGFBP5 on acute myeloid leukemia (AML) and its underlying mechanism. METHODS Here we investigated the roles of IGFBP5 in human AML by using recombinant human IGFBP5 (rhIGFBP5) protein and U937 and THP1 cell lines which stably and ectopically expressed IGFBP5 or mutant IGFBP5 (mtIGFBP5) with the lack of secretory signal peptide. Cell counting kit-8 and flow cytometry assay were conducted to assess the cell viability, cell apoptosis and cell cycle distribution. Cytotoxicity assay was used to detect the chemosensitivity. Leukemia xenograft model and hematoxylin-eosin staining were performed to evaluate AML progression and extramedullary infiltration in vivo. RESULTS In silico analysis demonstrated a positive association between IGFBP5 expression and overall survival of the AML patients. Both IGFBP5 overexpression and extrinsic rhIGFBP5 suppressed the growth of THP1 and U937 cells by inducing cell apoptosis and arresting G1/S transition and promoted the chemosensitivity of U937 and THP1 cells to daunorubicin and cytarabine. However, overexpression of mtIGFBP5 failed to demonstrate these properties. An in vivo xenograft mouse model of U937 cells also indicated that overexpression of IGFBP5 rather than mtIGFBP5 alleviated AML progression and extramedullary infiltration. Mechanistically, these biological consequences depended on the inactivation of insulin-like growth factor 1 receptor -mediated phosphatidylinositol-3-kinase/protein kinase B pathway. CONCLUSIONS Our findings revealed secreted rather than intracellular IGFBP5 as a tumor-suppressor and chemosensitizer in AML. Upregulation of serum IGFBP5 by overexpression or addition of extrinsic rhIGFBP5 may serve as a suitable therapeutic approach for AML.
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Affiliation(s)
- Beiying Zhang
- Central Laboratory, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China; Department of Laboratory Medicine, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, China
| | - Xiaoling Deng
- Jiangxi Health Commission Key Laboratory of Leukemia, the Affiliated Ganzhou Hospital of Nanchang University, No 16 Meiguan Road, Ganzhou, Jiangxi 341000, China; Ganzhou Key Laboratory of Molecular Medicine, the Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, Jiangxi 341000, China
| | - Ruolan You
- Central Laboratory, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China
| | - Jingru Liu
- Central Laboratory, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China
| | - Diyu Hou
- Central Laboratory, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China
| | - Xiaoting Wang
- Central Laboratory, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China
| | - Shucheng Chen
- Central Laboratory, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China
| | - Dongliang Li
- Department of Hepatobiliary Disease, the 900th Hospital of the People's Liberation Army Joint Service Support Force, Fuzhou, Fujian 350025, China
| | - Qiang Fu
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, China
| | - Jingdong Zhang
- Jiangxi Health Commission Key Laboratory of Leukemia, the Affiliated Ganzhou Hospital of Nanchang University, No 16 Meiguan Road, Ganzhou, Jiangxi 341000, China
| | - Huifang Huang
- Central Laboratory, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, Fujian 350001, China.
| | - Xiaoli Chen
- Jiangxi Health Commission Key Laboratory of Leukemia, the Affiliated Ganzhou Hospital of Nanchang University, No 16 Meiguan Road, Ganzhou, Jiangxi 341000, China; Ganzhou Key Laboratory of Molecular Medicine, the Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, Jiangxi 341000, China.
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6
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Martín AI, Moreno-Rupérez Á, Nebot E, Granado M, Jaque D, Nieto-Bona MP, López-Calderón A, Priego T. Time-Dependent Changes in Muscle IGF1-IGFBP5-PAPP System after Sciatic Denervation. Int J Mol Sci 2023; 24:14112. [PMID: 37762414 PMCID: PMC10531309 DOI: 10.3390/ijms241814112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Denervation-induced muscle atrophy is a frequent cause of skeletal muscle diseases. However, the role of the most important muscle growth factor, insulin-like growth factor (IGF-1), in this process is poorly understood. IGF-1 activity is controlled by six IGF-1 binding proteins (IGFBPs). In skeletal muscle, IGFBP-5 seems to have an important role in atrophic processes. Furthermore, pappalysins (PAPP-A) modulate muscle growth by increasing IGF-1 bioavailability through IGFBP cleavage. We aimed to study the time-dependent changes in the IGF1-IGFBP5-PAPP system and its regulators in gastrocnemius muscle after sciatic denervation. Gastrocnemius atrophy and overexpression of IGF-1 was observed from day 3 post-denervation. The proteolytic factors measured were elevated from day 1 post-denervation onwards. Expression of both IGFBP-5 and pappalysins were increased on days 1 and 3. Subsequently, on days 7 to 14 pappalysins returned to control levels while IGFBP-5 remained elevated. The ratio IGFBP-5/PAPP-A was correlated with the main proteolytic markers. All data suggest that the initial increase of pappalysins could facilitate the IGF-1 action on muscle growth, whereas their subsequent decrease could lead to further muscle wasting.
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Affiliation(s)
- Ana Isabel Martín
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense de Madrid, Plaza de Ramón y Cajal sn, 28040 Madrid, Spain; (A.I.M.); (Á.M.-R.); (E.N.); (A.L.-C.)
| | - Álvaro Moreno-Rupérez
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense de Madrid, Plaza de Ramón y Cajal sn, 28040 Madrid, Spain; (A.I.M.); (Á.M.-R.); (E.N.); (A.L.-C.)
| | - Elena Nebot
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense de Madrid, Plaza de Ramón y Cajal sn, 28040 Madrid, Spain; (A.I.M.); (Á.M.-R.); (E.N.); (A.L.-C.)
| | - Miriam Granado
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid, Calle Arzobispo Morcillo 2, 28029 Madrid, Spain;
| | - Daniel Jaque
- Nanomaterials for Bioimaging Group (NanoBIG), Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid, Avenida Francisco Tomas y Valiente, 28049 Madrid, Spain;
| | - M. Paz Nieto-Bona
- Departamento de Ciencias Básicas de la Salud, Facultad CC Salud, Universidad Rey Juan Carlos, Avenida de Atenas sn, 20922 Madrid, Spain;
| | - Asunción López-Calderón
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense de Madrid, Plaza de Ramón y Cajal sn, 28040 Madrid, Spain; (A.I.M.); (Á.M.-R.); (E.N.); (A.L.-C.)
| | - Teresa Priego
- Departamento de Fisiología, Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, Plaza de Ramón y Cajal sn, 28040 Madrid, Spain
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7
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Lionikas A, Hernandez Cordero AI, Kilikevicius A, Carroll AM, Bewick GS, Bunger L, Ratkevicius A, Heisler LK, Harboe M, Oxvig C. Stanniocalcin-2 inhibits skeletal muscle growth and is upregulated in functional overload-induced hypertrophy. Physiol Rep 2023; 11:e15793. [PMID: 37568262 PMCID: PMC10510475 DOI: 10.14814/phy2.15793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/28/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023] Open
Abstract
AIMS Stanniocalcin-2 (STC2) has recently been implicated in human muscle mass variability by genetic analysis. Biochemically, STC2 inhibits the proteolytic activity of the metalloproteinase PAPP-A, which promotes muscle growth by upregulating the insulin-like growth factor (IGF) axis. The aim was to examine if STC2 affects skeletal muscle mass and to assess how the IGF axis mediates muscle hypertrophy induced by functional overload. METHODS We compared muscle mass and muscle fiber morphology between Stc2-/- (n = 21) and wild-type (n = 15) mice. We then quantified IGF1, IGF2, IGF binding proteins -4 and -5 (IGFBP-4, IGFBP-5), PAPP-A and STC2 in plantaris muscles of wild-type mice subjected to 4-week unilateral overload (n = 14). RESULTS Stc2-/- mice showed up to 10% larger muscle mass compared with wild-type mice. This increase was mediated by greater cross-sectional area of muscle fibers. Overload increased plantaris mass and components of the IGF axis, including quantities of IGF1 (by 2.41-fold, p = 0.0117), IGF2 (1.70-fold, p = 0.0461), IGFBP-4 (1.48-fold, p = 0.0268), PAPP-A (1.30-fold, p = 0.0154) and STC2 (1.28-fold, p = 0.019). CONCLUSION Here we provide evidence that STC2 is an inhibitor of muscle growth upregulated, along with other components of the IGF axis, during overload-induced muscle hypertrophy.
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Affiliation(s)
- Arimantas Lionikas
- School of Medicine, Medical Sciences and NutritionUniversity of AberdeenAberdeenUK
| | - Ana I. Hernandez Cordero
- Centre for Heart Lung InnovationUniversity of British Columbia, St. Paul's HospitalVancouverCanada
| | - Audrius Kilikevicius
- Department of Health Promotion and RehabilitationLithuanian Sports UniversityKaunasLithuania
| | - Andrew M. Carroll
- The New Zealand Institute for Plant & Food Research LimitedPalmerston NorthNew Zealand
| | - Guy S. Bewick
- School of Medicine, Medical Sciences and NutritionUniversity of AberdeenAberdeenUK
| | - Lutz Bunger
- Animal Genetics Company (AnGeCo)EdinburghScotland
| | - Aivaras Ratkevicius
- Department of Health Promotion and RehabilitationLithuanian Sports UniversityKaunasLithuania
| | - Lora K. Heisler
- School of Medicine, Medical Sciences and NutritionUniversity of AberdeenAberdeenUK
| | - Mette Harboe
- Department of Molecular Biology and GeneticsAarhus UniversityAarhusDenmark
| | - Claus Oxvig
- Department of Molecular Biology and GeneticsAarhus UniversityAarhusDenmark
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8
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Li L, Wang H, Yu D, Wang Y, Zhao Y, Yang H, Cao Y, Cao Y. Insulin-like growth factor binding protein 5 accelerate the senescence of periodontal ligament stem cells. Cell Tissue Bank 2023; 24:231-239. [PMID: 35939161 DOI: 10.1007/s10561-022-10030-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 07/18/2022] [Indexed: 01/10/2023]
Abstract
Evidences have showed stem cell mediated tissue regeneration is a promising method for the treatment of periodontitis. Insulin-like growth factor binding proteins-5 (IGFBP5) is a member of the insulin growth factor (IGFs) family and plays a regulatory role in cell proliferation and differentiation. Our previous study showed that IGFBP5 can promote osteogenic differentiation of periodontal ligament stem cells (PDLSCs) and enhance periodontal tissue regeneration mediated by PDLSCs. However, the function of IGFBP5 in the process of PDLSCs senescence remains unclear. The present study showed IGFBP5 mRNA level was highly expressed in passage-induced aged PDLSCs cells. IGFBP5 knockdown decreased the ratio of senescence associated β-galactosidase (SA-β-Gal) positive cells, enhanced the activity of TERT, and down-regulated the expression levels of P16, P21, P53 mRNA and protein. Overexpression of IGFBP5 increased the ratio of SA-β-Gal positive staining PDLSCs, decreased the activity of telomerase TERT, and up-regulated the expression levels of P16, P21, P53 mRNA and protein related to PDLSCs senescence. In conclusion, IGFBP5 can accelerate the senescence of PDLSCs, indicating the potential target for maintaining the "young state" of stem cells.
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Affiliation(s)
- Le Li
- Department of Stomatology, Tsinghua University Hospital, Beijing, 100084, China
| | - Haiyan Wang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China
| | - Dianqin Yu
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China
| | - Yantong Wang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China
| | - Yingchu Zhao
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China
| | - Haoqing Yang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China
| | - Yangyang Cao
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China
| | - Yu Cao
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China. .,Department of General Dentistry, Capital Medical University School of Stomatology, Tian Tan Xi Li No.4, Beijing, 100050, People's Republic of China.
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9
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Lee S, Karns R, Shin S. Mechanism of paracrine communications between hepatic progenitor cells and endothelial cells. Cell Signal 2022; 100:110458. [PMID: 36055565 PMCID: PMC9971365 DOI: 10.1016/j.cellsig.2022.110458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/16/2022] [Accepted: 08/25/2022] [Indexed: 11/27/2022]
Abstract
Hepatic progenitor cells (HPCs) are facultative tissue-specific stem cells lining reactive ductules, which are ubiquitously observed in chronic liver diseases and cancer. Although previous research mainly focused on their contribution to liver regeneration, it turned out that in vivo differentiation of HPCs into hepatocytes only occurs after extreme injury. While recent correlative evidence implies the association of HPCs with disease progression, their exact role in pathogenesis remains largely unknown. Our previous research demonstrated that HPCs expressing angiogenic paracrine factors accumulate in the peritumoral area and are positively correlated with the extent of intratumoral cell proliferation and angiogenesis in the livers of patients with liver cancer. Given the crucial roles of angiogenesis in liver disease progression and carcinogenesis, we aimed to test the hypothesis that HPCs secrete paracrine factors to communicate with endothelial cells, to determine molecular mechanisms mediating HPCs-endothelial interactions, and to understand how the paracrine function of HPCs is regulated. HPCs promoted viability and tubulogenesis of human umbilical vein endothelial cells (HUVECs) and upregulated genes known to be involved in angiogenesis, endothelial cell function, and disease progression in a paracrine manner. The paracrine function of HPCs as well as expression of colony stimulating factor 1 (CSF1) were inhibited upon differentiation of HPCs toward hepatocytes. Inhibition of CSF1 receptor partly suppressed the paracrine effects of HPCs on HUVECs. Taken together, our study indicates that inhibition of the paracrine function of HPCs through modulation of their differentiation status and inhibition of CSF1 signaling is a promising strategy for inhibition of angiogenesis during pathological progression.
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Affiliation(s)
- Sanghoon Lee
- Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
| | - Rebekah Karns
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
| | - Soona Shin
- Division of Pediatric General and Thoracic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA; Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
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10
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Shih AJ, Adelson RP, Vashistha H, Khalili H, Nayyar A, Puran R, Herrera R, Chatterjee PK, Lee AT, Truskinovsky AM, Elmaliki K, DeFranco M, Metz CN, Gregersen PK. Single-cell analysis of menstrual endometrial tissues defines phenotypes associated with endometriosis. BMC Med 2022; 20:315. [PMID: 36104692 PMCID: PMC9476391 DOI: 10.1186/s12916-022-02500-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/27/2022] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Endometriosis is a common, complex disorder which is underrecognized and subject to prolonged delays in diagnosis. It is accompanied by significant changes in the eutopic endometrial lining. METHODS We have undertaken the first single-cell RNA-sequencing (scRNA-Seq) comparison of endometrial tissues in freshly collected menstrual effluent (ME) from 33 subjects, including confirmed endometriosis patients (cases) and controls as well as symptomatic subjects (who have chronic symptoms suggestive of endometriosis but have not been diagnosed). RESULTS We identify a unique subcluster of proliferating uterine natural killer (uNK) cells in ME-tissues from controls that is almost absent from endometriosis cases, along with a striking reduction of total uNK cells in the ME of cases (p < 10-16). In addition, an IGFBP1+ decidualized subset of endometrial stromal cells are abundant in the shed endometrium of controls when compared to cases (p < 10-16) confirming findings of compromised decidualization of cultured stromal cells from cases. By contrast, endometrial stromal cells from cases are enriched in cells expressing pro-inflammatory and senescent phenotypes. An enrichment of B cells in the cases (p = 5.8 × 10-6) raises the possibility that some may have chronic endometritis, a disorder which predisposes to endometriosis. CONCLUSIONS We propose that characterization of endometrial tissues in ME will provide an effective screening tool for identifying endometriosis in patients with chronic symptoms suggestive of this disorder. This constitutes a major advance, since delayed diagnosis for many years is a major clinical problem in the evaluation of these patients. Comprehensive analysis of ME is expected to lead to new diagnostic and therapeutic approaches to endometriosis and other associated reproductive disorders such as female infertility.
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Affiliation(s)
- Andrew J Shih
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Robert P Adelson
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Himanshu Vashistha
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Houman Khalili
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Ashima Nayyar
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Radha Puran
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Rixsi Herrera
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Prodyot K Chatterjee
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Annette T Lee
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA.,Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA
| | - Alexander M Truskinovsky
- Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA.,Department of Pathology, North Shore University Hospital, Northwell Health, 300 Community Drive, Manhasset, NY, USA
| | - Kristine Elmaliki
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Margaret DeFranco
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA
| | - Christine N Metz
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA. .,Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA.
| | - Peter K Gregersen
- Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institutes for Medical Research, Northwell Health, 350 Community Drive, Manhasset, NY, 11030, USA. .,Donald and Barbara Zucker School of Medicine, 500 Hofstra Blvd, Hempstead, NY, USA.
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11
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Yesbek Kaymaz A, Kostel Bal S, Bora G, Talim B, Ozon A, Alikasifoglu A, Topaloglu H, Erdem Yurter H. Alterations in insulin-like growth factor system in spinal muscular atrophy. Muscle Nerve 2022; 66:631-638. [PMID: 36050898 DOI: 10.1002/mus.27715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 08/19/2022] [Accepted: 08/26/2022] [Indexed: 11/10/2022]
Abstract
INTRODUCTION/AIMS Spinal muscular atrophy (SMA) is an inherited neuromuscular disease caused by survival motor neuron (SMN) protein deficiency. Insulin-like growth factor-I (IGF-I) is a myotrophic and neurotrophic factor that has been reported to be dysregulated in in vivo SMA model systems. However, detailed analyses of the IGF-I system in SMA patients are missing. In this study, we analyzed the components of the IGF-I system in serum and archived skeletal muscle biopsies of SMA patients. METHODS Serum IGF-I, IGF binding protein (IGFBP)-3, and IGFBP-5 levels were analyzed in 11 SMA patients and 13 healthy children by immunoradiometric and enzyme-linked immunosorbent assays. The expression of IGF-I, IGF-I receptor, and IGFBP-5 proteins was investigated by immunofluorescence analysis in the archived skeletal muscle biopsies of 9 SMA patients, 6 patients with non-SMA-related neuromuscular disease and atrophic fibers in muscle biopsy, and 4 controls. RESULTS A significant decrease in IGF-I levels (mean ± SD: -1.39 ± 1.46 vs. 0.017 ± 0.83, p = 0.02) and increase in IGFBP-5 levels (mean ± SD: 2358.5 ± 1617.4 ng/mL vs. 1003.4 ± 274.3 ng/mL, p=0.03) were detected in serum samples of SMA patients compared to healthy controls. Increased expression of IGF-I, IGF-I receptor, and IGFBP-5 was detected in skeletal muscle biopsies of SMA patients and non-SMA neuromuscular diseases, indicating atrophy-specific alterations in the pathway. DISCUSSION Our findings suggested that the components of the IGF-I system are altered in SMA patients at both the systemic and tissue-specific levels.
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Affiliation(s)
- Ayse Yesbek Kaymaz
- Department of Medical Biology, Hacettepe University, Faculty of Medicine, Ankara, Turkey
| | - Sevgi Kostel Bal
- Department of Pediatrics, Neurology Unit, Hacettepe University, Faculty of Medicine, Ankara, Turkey
| | - Gamze Bora
- Department of Medical Biology, Hacettepe University, Faculty of Medicine, Ankara, Turkey
| | - Beril Talim
- Department of Pediatrics, Pediatric Pathology Unit, Hacettepe University, Faculty of Medicine, Ankara, Turkey
| | - Alev Ozon
- Department of Pediatrics, Division of Pediatric Endocrinology, Hacettepe University, Faculty of Medicine, Ankara, Turkey
| | - Ayfer Alikasifoglu
- Department of Pediatrics, Division of Pediatric Endocrinology, Hacettepe University, Faculty of Medicine, Ankara, Turkey
| | - Haluk Topaloglu
- Department of Pediatrics, Neurology Unit, Hacettepe University, Faculty of Medicine, Ankara, Turkey
| | - Hayat Erdem Yurter
- Department of Medical Biology, Hacettepe University, Faculty of Medicine, Ankara, Turkey
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12
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Yao Z, Lin M, Lin T, Gong X, Qin P, Li H, Kang T, Ye J, Zhu Y, Hong Q, Liu Y, Li Y, Wang J, Fang F. The expression of IGFBP-5 in the reproductive axis and effect on the onset of puberty in female rats. Reprod Biol Endocrinol 2022; 20:100. [PMID: 35821045 PMCID: PMC9277959 DOI: 10.1186/s12958-022-00966-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 06/18/2022] [Indexed: 11/21/2022] Open
Abstract
Insulin-like growth factor-binding protein-5 (IGFBP-5) has recently been shown to alter the reproductive capacity by regulating insulin-like growth factor (IGF) bioavailability or IGF-independent effects. The present study aimed to investigate the effect and mechanism of IGFBP-5 on the onset of puberty in female rats. Immunofluorescence and real-time quantitative PCR were used to determine the expression and location of IGFBP-5 mRNA and protein distribution in the infant's hypothalamus-pituitary-ovary (HPO) axis prepuberty, peripuberty, puberty and adult female rats. Prepubertal rats with IGFBP-5 intracerebroventricular (ICV) were injected to determine the puberty-related genes expression and the concentrations of reproductive hormones. Primary hypothalamic cells were treated with IGFBP-5 to determine the expression of puberty-related genes and the Akt and mTOR proteins. Results showed that Igfbp-5 mRNA and protein were present on the HPO axis. The addition of IGFBP-5 to primary hypothalamic cells inhibited the expression of Gnrh and Igf-1 mRNAs (P < 0.05) and increased the expression of AKT and mTOR protein (P < 0.01). IGFBP-5 ICV-injection delayed the onset of puberty, reduced Gnrh, Igf-1, and Fshβ mRNAs, and decreased the concentrations of E2, P4, FSH,serum LH levels and the ovaries weight (P < 0.05). More corpus luteum and fewer primary follicles were found after IGFBP-5 injection (P < 0.05).
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Affiliation(s)
- Zhiqiu Yao
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Maosen Lin
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Tao Lin
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Xinbao Gong
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Pin Qin
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Hailing Li
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Tiezhu Kang
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Jing Ye
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Yanyun Zhu
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Qiwen Hong
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Ya Liu
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Yunsheng Li
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Juhua Wang
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China
| | - Fugui Fang
- Anhui Provincial Key Laboratory for Local Livestock and Poultry Genetic Resource Conservation and Bio-Breeding, 130 Changjiang West Road, Hefei, 230036, Anhui, China.
- Department of Animal Veterinary Science, College of Animal Science and Technology, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China.
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13
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Laghouaouta H, Fraile L, Suárez-Mesa R, Ros-Freixedes R, Estany J, Pena RN. A genome-wide screen for resilient responses in growing pigs. Genet Sel Evol 2022; 54:50. [PMID: 35787790 PMCID: PMC9251948 DOI: 10.1186/s12711-022-00739-1] [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: 02/20/2022] [Accepted: 06/21/2022] [Indexed: 11/18/2022] Open
Abstract
Background There is a growing interest to decipher the genetic background of resilience and its possible improvement through selective breeding. The objective of the present study was to provide new insights into the genetic make-up of resilience in growing pigs by identifying genomic regions and candidate genes associated with resilience indicators. Commercial Duroc pigs were challenged with an attenuated Aujeszky vaccine at 12 weeks of age. Two resilience indicators were used: deviation from the expected body weight at 16 weeks of age given the growth curve of non-vaccinated pigs (∆BW) and the increase in acute-phase protein haptoglobin at four days post-vaccination (∆HP). Genome-wide association analyses were carried out on 445 pigs, using genotypes at 41,165 single nucleotide polymorphisms (SNPs) and single-marker and Bayesian multiple-marker regression approaches. Results Genomic regions on pig chromosomes 2, 8, 9, 11 (∆BW) and 8, 9, 13 (∆HP) were found to be associated with the resilience indicators and explained high proportions of their genetic variance. The genomic regions that were associated explained 27 and 5% of the genetic variance of ∆BW and ∆HP, respectively. These genomic regions harbour promising candidate genes that are involved in pathways related to immune response, response to stress, or signal transduction (CD6, PTGDR2, IKZF1, RNASEL and MYD88), and growth (GRB10 and LCORL). Conclusions Our study identified novel genomic regions that are associated with two resilience indicators (∆BW and ∆HP) in pigs. These associated genomic regions harbour potential candidate genes involved in immune response and growth pathways, which emphasise the strong relationship between resilience and immune response. Supplementary Information The online version contains supplementary material available at 10.1186/s12711-022-00739-1.
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Affiliation(s)
- Houda Laghouaouta
- Department of Animal Science, University of Lleida-Agrotecnio-CERCA Center, 25198, Lleida, Catalonia, Spain
| | - Lorenzo Fraile
- Department of Animal Science, University of Lleida-Agrotecnio-CERCA Center, 25198, Lleida, Catalonia, Spain
| | - Rafael Suárez-Mesa
- Department of Animal Science, University of Lleida-Agrotecnio-CERCA Center, 25198, Lleida, Catalonia, Spain
| | - Roger Ros-Freixedes
- Department of Animal Science, University of Lleida-Agrotecnio-CERCA Center, 25198, Lleida, Catalonia, Spain
| | - Joan Estany
- Department of Animal Science, University of Lleida-Agrotecnio-CERCA Center, 25198, Lleida, Catalonia, Spain
| | - Ramona Natacha Pena
- Department of Animal Science, University of Lleida-Agrotecnio-CERCA Center, 25198, Lleida, Catalonia, Spain.
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14
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Clemente-Suárez VJ, Redondo-Flórez L, Rubio-Zarapuz A, Martínez-Guardado I, Navarro-Jiménez E, Tornero-Aguilera JF. Nutritional and Exercise Interventions in Cancer-Related Cachexia: An Extensive Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:4604. [PMID: 35457471 PMCID: PMC9025820 DOI: 10.3390/ijerph19084604] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/04/2022] [Accepted: 04/08/2022] [Indexed: 01/27/2023]
Abstract
One of the common traits found in cancer patients is malnutrition and cachexia, which affects between 25% to 60% of the patients, depending on the type of cancer, diagnosis, and treatment. Given the lack of current effective pharmacological solutions for low muscle mass and sarcopenia, holistic interventions are essential to patient care, as well as exercise and nutrition. Thus, the present narrative review aimed to analyze the nutritional, pharmacological, ergonutritional, and physical exercise strategies in cancer-related cachexia. The integration of multidisciplinary interventions could help to improve the final intervention in patients, improving their prognosis, quality of life, and life expectancy. To reach these aims, an extensive narrative review was conducted. The databases used were MedLine (PubMed), Cochrane (Wiley), Embase, PsychINFO, and CinAhl. Cancer-related cachexia is a complex multifactorial phenomenon in which systemic inflammation plays a key role in the development and maintenance of the symptomatology. Pharmacological interventions seem to produce a positive effect on inflammatory state and cachexia. Nutritional interventions are focused on a high-energy diet with high-density foods and the supplementation with antioxidants, while physical activity is focused on strength-based training. The implementation of multidisciplinary non-pharmacological interventions in cancer-related cachexia could be an important tool to improve traditional treatments and improve patients' quality of life.
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Affiliation(s)
- Vicente Javier Clemente-Suárez
- Faculty of Sports Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (L.R.-F.); (A.R.-Z.); (J.F.T.-A.)
- Grupo de Investigación en Cultura, Educación y Sociedad, Universidad de la Costa, Barranquilla 080002, Colombia
| | - Laura Redondo-Flórez
- Faculty of Sports Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (L.R.-F.); (A.R.-Z.); (J.F.T.-A.)
| | - Alejandro Rubio-Zarapuz
- Faculty of Sports Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain; (L.R.-F.); (A.R.-Z.); (J.F.T.-A.)
| | - Ismael Martínez-Guardado
- BRABE Group, Department of Psychology, Faculty of Life and Natural Sciences, University of Nebrija, C/del Hostal, 28248 Madrid, Spain;
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15
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Wilson RJ, Lyons SP, Koves TR, Bryson VG, Zhang H, Li T, Crown SB, Ding JD, Grimsrud PA, Rosenberg PB, Muoio DM. Disruption of STIM1-mediated Ca 2+ sensing and energy metabolism in adult skeletal muscle compromises exercise tolerance, proteostasis, and lean mass. Mol Metab 2022; 57:101429. [PMID: 34979330 PMCID: PMC8814391 DOI: 10.1016/j.molmet.2021.101429] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE Stromal interaction molecule 1 (STIM1) is a single-pass transmembrane endoplasmic/sarcoplasmic reticulum (E/SR) protein recognized for its role in a store operated Ca2+ entry (SOCE), an ancient and ubiquitous signaling pathway. Whereas STIM1 is known to be indispensable during development, its biological and metabolic functions in mature muscles remain unclear. METHODS Conditional and tamoxifen inducible muscle STIM1 knock-out mouse models were coupled with multi-omics tools and comprehensive physiology to understand the role of STIM1 in regulating SOCE, mitochondrial quality and bioenergetics, and whole-body energy homeostasis. RESULTS This study shows that STIM1 is abundant in adult skeletal muscle, upregulated by exercise, and is present at SR-mitochondria interfaces. Inducible tissue-specific deletion of STIM1 (iSTIM1 KO) in adult muscle led to diminished lean mass, reduced exercise capacity, and perturbed fuel selection in the settings of energetic stress, without affecting whole-body glucose tolerance. Proteomics and phospho-proteomics analyses of iSTIM1 KO muscles revealed molecular signatures of low-grade E/SR stress and broad activation of processes and signaling networks involved in proteostasis. CONCLUSION These results show that STIM1 regulates cellular and mitochondrial Ca2+ dynamics, energy metabolism and proteostasis in adult skeletal muscles. Furthermore, these findings provide insight into the pathophysiology of muscle diseases linked to disturbances in STIM1-dependent Ca2+ handling.
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Affiliation(s)
- Rebecca J Wilson
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA
| | - Scott P Lyons
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA
| | - Timothy R Koves
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA; Department of Medicine, Division of Geriatrics, Duke University School of Medicine, Durham, NC 27705, USA
| | - Victoria G Bryson
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA; Department of Medicine, Division of Cardiology, Duke University School of Medicine, Durham, NC 27705, USA
| | - Hengtao Zhang
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA; Department of Medicine, Division of Cardiology, Duke University School of Medicine, Durham, NC 27705, USA
| | - TianYu Li
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA; Department of Medicine, Division of Cardiology, Duke University School of Medicine, Durham, NC 27705, USA
| | - Scott B Crown
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA
| | - Jin-Dong Ding
- Department of Medicine, Division of Ophthalmology, Duke University School of Medicine, Durham, NC 27705, USA
| | - Paul A Grimsrud
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA; Department of Medicine, Division of Endocrinology, Metabolism, and Nutrition, Duke University School of Medicine, Durham, NC 27705, USA
| | - Paul B Rosenberg
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA; Department of Medicine, Division of Cardiology, Duke University School of Medicine, Durham, NC 27705, USA
| | - Deborah M Muoio
- Duke Molecular Physiology Institute, and Sarah W. Stedman Nutrition and Metabolism Center, Duke University School of Medicine, Durham, NC 27701, USA; Department of Medicine, Division of Endocrinology, Metabolism, and Nutrition, Duke University School of Medicine, Durham, NC 27705, USA; Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27705, USA.
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16
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Qian Y, Berryman DE, Basu R, List EO, Okada S, Young JA, Jensen EA, Bell SRC, Kulkarni P, Duran-Ortiz S, Mora-Criollo P, Mathes SC, Brittain AL, Buchman M, Davis E, Funk KR, Bogart J, Ibarra D, Mendez-Gibson I, Slyby J, Terry J, Kopchick JJ. Mice with gene alterations in the GH and IGF family. Pituitary 2022; 25:1-51. [PMID: 34797529 PMCID: PMC8603657 DOI: 10.1007/s11102-021-01191-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/21/2021] [Indexed: 01/04/2023]
Abstract
Much of our understanding of GH's action stems from animal models and the generation and characterization of genetically altered or modified mice. Manipulation of genes in the GH/IGF1 family in animals started in 1982 when the first GH transgenic mice were produced. Since then, multiple laboratories have altered mouse DNA to globally disrupt Gh, Ghr, and other genes upstream or downstream of GH or its receptor. The ability to stay current with the various genetically manipulated mouse lines within the realm of GH/IGF1 research has been daunting. As such, this review attempts to consolidate and summarize the literature related to the initial characterization of many of the known gene-manipulated mice relating to the actions of GH, PRL and IGF1. We have organized the mouse lines by modifications made to constituents of the GH/IGF1 family either upstream or downstream of GHR or to the GHR itself. Available data on the effect of altered gene expression on growth, GH/IGF1 levels, body composition, reproduction, diabetes, metabolism, cancer, and aging are summarized. For the ease of finding this information, key words are highlighted in bold throughout the main text for each mouse line and this information is summarized in Tables 1, 2, 3 and 4. Most importantly, the collective data derived from and reported for these mice have enhanced our understanding of GH action.
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Affiliation(s)
- Yanrong Qian
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
| | - Darlene E Berryman
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
| | - Reetobrata Basu
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
| | - Edward O List
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
| | - Shigeru Okada
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Pediatrics, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
| | - Jonathan A Young
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
| | - Elizabeth A Jensen
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
- Translational Biomedical Sciences Doctoral Program, Ohio University, Athens, OH, USA
| | - Stephen R C Bell
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
| | - Prateek Kulkarni
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biological Sciences, College of Arts and Sciences, Ohio University, Athens, OH, USA
- Molecular and Cellular Biology Program, Ohio University, Athens, OH, USA
| | | | - Patricia Mora-Criollo
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Translational Biomedical Sciences Doctoral Program, Ohio University, Athens, OH, USA
| | - Samuel C Mathes
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
| | - Alison L Brittain
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
- Molecular and Cellular Biology Program, Ohio University, Athens, OH, USA
| | - Mat Buchman
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA
| | - Emily Davis
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biological Sciences, College of Arts and Sciences, Ohio University, Athens, OH, USA
- Molecular and Cellular Biology Program, Ohio University, Athens, OH, USA
| | - Kevin R Funk
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biological Sciences, College of Arts and Sciences, Ohio University, Athens, OH, USA
- Molecular and Cellular Biology Program, Ohio University, Athens, OH, USA
| | - Jolie Bogart
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biological Sciences, College of Arts and Sciences, Ohio University, Athens, OH, USA
| | - Diego Ibarra
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Chemistry and Biochemistry, College of Arts and Sciences, Ohio University, Athens, OH, USA
| | - Isaac Mendez-Gibson
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- College of Health Sciences and Professions, Ohio University, Athens, OH, USA
| | - Julie Slyby
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biological Sciences, College of Arts and Sciences, Ohio University, Athens, OH, USA
| | - Joseph Terry
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA
- Department of Biological Sciences, College of Arts and Sciences, Ohio University, Athens, OH, USA
| | - John J Kopchick
- Edison Biotechnology Institute, Ohio University, Athens, OH, USA.
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, USA.
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17
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Yang X, Wang J, Ma X, Du J, Mei C, Zan L. Transcriptome-wide N 6-Methyladenosine Methylome Profiling Reveals m 6A Regulation of Skeletal Myoblast Differentiation in Cattle ( Bos taurus). Front Cell Dev Biol 2021; 9:785380. [PMID: 34938736 PMCID: PMC8685427 DOI: 10.3389/fcell.2021.785380] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/12/2021] [Indexed: 12/28/2022] Open
Abstract
N 6 -methyladenosine (m6A) is the most prevalent methylation modification of eukaryotic mRNA, and it plays an important role in regulating gene expression. Previous studies have found that m6A methylation plays a role in mammalian skeletal muscle development. However, the effect of m6A on bovine skeletal myogenesis are still unclear. Here, we selected proliferating myoblasts (GM) and differentiated myotubes (on the 4th day of differentiation, DM) for m6A-seq and RNA-seq to explore the m6A methylation modification pattern during bovine skeletal myogenesis. m6A-seq analysis revealed that m6A methylation was an abundant modification of the mRNA in bovine myoblasts and myotubes. We scanned 5,691-8,094 m6A-modified transcripts, including 1,437 differentially methylated genes (DMGs). GO and KEGG analyses revealed that DMGs were primarily involved in transcriptional regulation and RNA metabolism, as well as insulin resistance and metabolic pathways related to muscle development. The combined analysis further identified 268 genes that had significant changes at both m6A and mRNA levels, suggesting that m6A modification may regulate myoblast differentiation by mediating the expression of these genes. Furthermore, we experimentally confirmed four genes related to myogenesis, including MYOZ2, TWIST1, KLF5 and MYOD1, with differential changes in both m6A and mRNA levels during bovine myoblast differentiation, indicating that they can be potential candidate targets for m6A regulation of skeletal myogenesis. Our results may provide new insight into molecular genetics and breeding of beef cattle, and provide a reference for investigating the mechanism of m6A regulating skeletal muscle development.
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Affiliation(s)
- Xinran Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Jianfang Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xinhao Ma
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Jiawei Du
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Chugang Mei
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.,National Beef Cattle Improvement Center, Northwest A&F University, Yangling, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.,National Beef Cattle Improvement Center, Northwest A&F University, Yangling, China
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18
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Sahni V, Shnider SJ, Jabaudon D, Song JHT, Itoh Y, Greig LC, Macklis JD. Corticospinal neuron subpopulation-specific developmental genes prospectively indicate mature segmentally specific axon projection targeting. Cell Rep 2021; 37:109843. [PMID: 34686320 PMCID: PMC8653526 DOI: 10.1016/j.celrep.2021.109843] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 05/27/2021] [Accepted: 09/26/2021] [Indexed: 11/11/2022] Open
Abstract
For precise motor control, distinct subpopulations of corticospinal neurons (CSN) must extend axons to distinct spinal segments, from proximal targets in the brainstem and cervical cord to distal targets in thoracic and lumbar spinal segments. We find that developing CSN subpopulations exhibit striking axon targeting specificity in spinal white matter, which establishes the foundation for durable specificity of adult corticospinal circuitry. Employing developmental retrograde and anterograde labeling, and their distinct neocortical locations, we purified developing CSN subpopulations using fluorescence-activated cell sorting to identify genes differentially expressed between bulbar-cervical and thoracolumbar-projecting CSN subpopulations at critical developmental times. These segmentally distinct CSN subpopulations are molecularly distinct from the earliest stages of axon extension, enabling prospective identification even before eventual axon targeting decisions are evident in the spinal cord. This molecular delineation extends beyond simple spatial separation of these subpopulations in the cortex. Together, these results identify candidate molecular controls over segmentally specific corticospinal axon projection targeting.
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Affiliation(s)
- Vibhu Sahni
- Department of Stem Cell and Regenerative Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Sara J Shnider
- Department of Stem Cell and Regenerative Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Denis Jabaudon
- Department of Stem Cell and Regenerative Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Janet H T Song
- Department of Stem Cell and Regenerative Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Yasuhiro Itoh
- Department of Stem Cell and Regenerative Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Luciano C Greig
- Department of Stem Cell and Regenerative Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Jeffrey D Macklis
- Department of Stem Cell and Regenerative Biology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA.
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19
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Daza KR, Velez-Irizarry D, Casiró S, Steibel JP, Raney NE, Bates RO, Ernst CW. Integrated Genome-Wide Analysis of MicroRNA Expression Quantitative Trait Loci in Pig Longissimus Dorsi Muscle. Front Genet 2021; 12:644091. [PMID: 33859669 PMCID: PMC8042294 DOI: 10.3389/fgene.2021.644091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 02/24/2021] [Indexed: 01/19/2023] Open
Abstract
Determining mechanisms regulating complex traits in pigs is essential to improve the production efficiency of this globally important protein source. MicroRNAs (miRNAs) are a class of non-coding RNAs known to post-transcriptionally regulate gene expression affecting numerous phenotypes, including those important to the pig industry. To facilitate a more comprehensive understanding of the regulatory mechanisms controlling growth, carcass composition, and meat quality phenotypes in pigs, we integrated miRNA and gene expression data from longissimus dorsi muscle samples with genotypic and phenotypic data from the same animals. We identified 23 miRNA expression Quantitative Trait Loci (miR-eQTL) at the genome-wide level and examined their potential effects on these important production phenotypes through miRNA target prediction, correlation, and colocalization analyses. One miR-eQTL miRNA, miR-874, has target genes that colocalize with phenotypic QTL for 12 production traits across the genome including backfat thickness, dressing percentage, muscle pH at 24 h post-mortem, and cook yield. The results of our study reveal genomic regions underlying variation in miRNA expression and identify miRNAs and genes for future validation of their regulatory effects on traits of economic importance to the global pig industry.
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Affiliation(s)
- Kaitlyn R Daza
- Department of Animal Science, Michigan State University, East Lansing, MI, United States
| | - Deborah Velez-Irizarry
- Department of Animal Science, Michigan State University, East Lansing, MI, United States
| | - Sebastian Casiró
- Department of Animal Science, Michigan State University, East Lansing, MI, United States
| | - Juan P Steibel
- Department of Animal Science, Michigan State University, East Lansing, MI, United States
| | - Nancy E Raney
- Department of Animal Science, Michigan State University, East Lansing, MI, United States
| | - Ronald O Bates
- Department of Animal Science, Michigan State University, East Lansing, MI, United States
| | - Catherine W Ernst
- Department of Animal Science, Michigan State University, East Lansing, MI, United States
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20
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The Roles of Insulin-Like Growth Factor Binding Protein Family in Development and Diseases. Adv Ther 2021; 38:885-903. [PMID: 33331986 DOI: 10.1007/s12325-020-01581-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/19/2020] [Indexed: 12/17/2022]
Abstract
The insulin-like growth factor (IGF) system comprises ligands of IGF-I/II, IGF receptors (IGFR), IGF binding proteins (IGFBPs), and IGFBP hydrolases. The IGF system plays multiple roles during various disease development as IGFs are widely involved in cell proliferation and differentiation through regulating DNA transcription. Meanwhile, IGFBPs, which are mainly synthesized in the liver, can bind to IGFs and perform two different functions: either inhibition of IGFs by forming inactive compounds with IGF or enhancement of the function of IGFs by strengthening the IGF-IGFR interaction. Interestingly, IGFBPs may have wider functions through IGF-independent mechanisms. Studies have shown that IGFBPs play important roles in cardiovascular disease, tumor progression, fetal growth, and neuro-nutrition. In this review, we emphasize that different IGFBP family members have common or unique functions in numerous diseases; moreover, IGFBPs may serve as biomarkers for disease diagnosis and prediction.
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21
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Armstrong VS, Fitzgerald LW, Bathe OF. Cancer-Associated Muscle Wasting-Candidate Mechanisms and Molecular Pathways. Int J Mol Sci 2020; 21:ijms21239268. [PMID: 33291708 PMCID: PMC7729509 DOI: 10.3390/ijms21239268] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 12/11/2022] Open
Abstract
Excessive muscle loss is commonly observed in cancer patients and its association with poor prognosis has been well-established. Cancer-associated sarcopenia differs from age-related wasting in that it is not responsive to nutritional intervention and exercise. This is related to its unique pathogenesis, a result of diverse and interconnected mechanisms including inflammation, disordered metabolism, proteolysis and autophagy. There is a growing body of evidence that suggests that the tumor is the driver of muscle wasting by its elaboration of mediators that influence each of these pro-sarcopenic pathways. In this review, evidence for these tumor-derived factors and putative mechanisms for inducing muscle wasting will be reviewed. Potential targets for future research and therapeutic interventions will also be reviewed.
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Affiliation(s)
- Victoria S. Armstrong
- Arnie Charbonneau Cancer Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada; (V.S.A.); (L.W.F.)
- Department of Medical Sciences, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Liam W. Fitzgerald
- Arnie Charbonneau Cancer Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada; (V.S.A.); (L.W.F.)
- Department of Medical Sciences, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Oliver F. Bathe
- Arnie Charbonneau Cancer Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada; (V.S.A.); (L.W.F.)
- Department of Medical Sciences, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Departments of Surgery and Oncology, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Correspondence: ; Tel.: +1-403-521-3275
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22
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Landi E, Karabatas L, Scaglia P, Pisciottano F, Gutiérrez M, Ramírez L, Bergadá I, Rey RA, Jasper HG, Domené HM, Plazas PV, Domené S. Expression of acid-labile subunit (ALS) in developing and adult zebrafish and its role in dorso-ventral patterning during development. Gen Comp Endocrinol 2020; 299:113591. [PMID: 32828812 DOI: 10.1016/j.ygcen.2020.113591] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/28/2020] [Accepted: 08/18/2020] [Indexed: 11/24/2022]
Abstract
Mammalian acid-labile subunit (ALS) is a serum protein that binds binary complexes between Insulin-like growth factors (IGFs) and Insulin-like growth factor-binding proteins (IGFBPs) extending their half-life and keeping them in the vasculature. Human ALS deficiency (ACLSD), due to homozygous or compound heterozygous mutations in IGFALS, leads to moderate short stature with reduced levels of IGF-I and IGFBP-3. There is only one corresponding zebrafish ortholog gene and it has not yet been studied. In this study we elucidate the role of igfals during zebrafish development. In zebrafish embryos igfals mRNA is expressed throughout development, mainly in the brain and subsequently also in the gut and swimbladder. To determine its role during development, we knocked down igfals gene product using morpholinos (MOs). Igfals morphant embryos displayed dorsalization in different degrees of severity, including a shortened trunk and loss of tail. Furthermore, co-injection of human IGFALS (hIGFALS) mRNA was able to rescue the MO-induced phenotype. Finally, overexpression of either hIGFALS or zebrafish igfals (zigfals) mRNA leads to ventralization of embryos including a reduced head and enlarged tail. These findings suggest that als plays an important role in dorso-ventral patterning during zebrafish development.
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Affiliation(s)
- Estefanía Landi
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Liliana Karabatas
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Paula Scaglia
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Francisco Pisciottano
- Instituto de Biología y Medicina Experimental (IBYME), Vuelta de Obligado 2490, C1428ADN Buenos Aires, Argentina.
| | - Mariana Gutiérrez
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Laura Ramírez
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Ignacio Bergadá
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Rodolfo A Rey
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Héctor Guillermo Jasper
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Horacio Mario Domené
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
| | - Paola Viviana Plazas
- Instituto de Farmacología, Facultad de Medicina, Universidad de Buenos Aires (UBA), Paraguay 2155, C1121ABG Buenos Aires, Argentina.
| | - Sabina Domené
- Centro de Investigaciones Endocrinológicas "Dr. César Bergadá" (CEDIE), CONICET-FEI-División de Endocrinología, Hospital de Niños Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina.
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23
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Beatty AE, Schwartz TS. Gene expression of the IGF hormones and IGF binding proteins across time and tissues in a model reptile. Physiol Genomics 2020; 52:423-434. [PMID: 32776803 PMCID: PMC7509249 DOI: 10.1152/physiolgenomics.00059.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/30/2020] [Accepted: 08/03/2020] [Indexed: 12/16/2022] Open
Abstract
The insulin and insulin-like signaling (IIS) network regulates cellular processes including pre- and postnatal growth, cellular development, wound healing, reproduction, and longevity. Despite their importance in the physiology of vertebrates, the study of the specific functions of the top regulators of the IIS network, insulin-like growth factors (IGFs) and IGF binding proteins (IGFBPs), has been mostly limited to a few model organisms. To expand our understanding of this network, we performed quantitative gene expression of IGF hormones in liver and qualitative expression of IGFBPs across tissues and developmental stages in a model reptile, the brown anole lizard (Anolis sagrei). We found that lizards express IGF2 across all life stages (preoviposition embryos to adulthood) and at a higher level than IGF1, which is opposite to patterns seen in laboratory rodents but similar to those seen in humans and other vertebrate models. IGFBP expression was ubiquitous across tissues (brain, gonad, heart, liver, skeletal muscle, tail, and regenerating tail) in adults, apart from IGFBP5, which was variable. These findings provide an essential foundation for further developing the anole lizard as a physiological and biomedical reptile model, as well as expanding our understanding of the function of the IIS network across species.
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Affiliation(s)
- Abby E Beatty
- Department of Biological Sciences, Auburn University, Auburn, Alabama
| | - Tonia S Schwartz
- Department of Biological Sciences, Auburn University, Auburn, Alabama
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24
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Yoshida T, Delafontaine P. Mechanisms of IGF-1-Mediated Regulation of Skeletal Muscle Hypertrophy and Atrophy. Cells 2020; 9:cells9091970. [PMID: 32858949 PMCID: PMC7564605 DOI: 10.3390/cells9091970] [Citation(s) in RCA: 221] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/18/2020] [Accepted: 08/19/2020] [Indexed: 12/18/2022] Open
Abstract
Insulin-like growth factor-1 (IGF-1) is a key growth factor that regulates both anabolic and catabolic pathways in skeletal muscle. IGF-1 increases skeletal muscle protein synthesis via PI3K/Akt/mTOR and PI3K/Akt/GSK3β pathways. PI3K/Akt can also inhibit FoxOs and suppress transcription of E3 ubiquitin ligases that regulate ubiquitin proteasome system (UPS)-mediated protein degradation. Autophagy is likely inhibited by IGF-1 via mTOR and FoxO signaling, although the contribution of autophagy regulation in IGF-1-mediated inhibition of skeletal muscle atrophy remains to be determined. Evidence has suggested that IGF-1/Akt can inhibit muscle atrophy-inducing cytokine and myostatin signaling via inhibition of the NF-κΒ and Smad pathways, respectively. Several miRNAs have been found to regulate IGF-1 signaling in skeletal muscle, and these miRs are likely regulated in different pathological conditions and contribute to the development of muscle atrophy. IGF-1 also potentiates skeletal muscle regeneration via activation of skeletal muscle stem (satellite) cells, which may contribute to muscle hypertrophy and/or inhibit atrophy. Importantly, IGF-1 levels and IGF-1R downstream signaling are suppressed in many chronic disease conditions and likely result in muscle atrophy via the combined effects of altered protein synthesis, UPS activity, autophagy, and muscle regeneration.
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Affiliation(s)
- Tadashi Yoshida
- Heart and Vascular Institute, John W. Deming Department of Medicine, Tulane University School of Medicine, 1430 Tulane Ave SL-48, New Orleans, LA 70112, USA
- Department of Physiology, Tulane University School of Medicine, 1430 Tulane Ave, New Orleans, LA 70112, USA
- Correspondence: (T.Y.); (P.D.)
| | - Patrice Delafontaine
- Heart and Vascular Institute, John W. Deming Department of Medicine, Tulane University School of Medicine, 1430 Tulane Ave SL-48, New Orleans, LA 70112, USA
- Department of Physiology, Tulane University School of Medicine, 1430 Tulane Ave, New Orleans, LA 70112, USA
- Correspondence: (T.Y.); (P.D.)
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25
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Sharker MR, Kim SC, Hossen S, Kho KH. Characterization of Insulin-Like Growth Factor Binding Protein-5 (IGFBP-5) Gene and Its Potential Roles in Ontogenesis in the Pacific Abalone, Haliotis discus hannai. BIOLOGY 2020; 9:biology9080216. [PMID: 32784850 PMCID: PMC7465962 DOI: 10.3390/biology9080216] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 12/21/2022]
Abstract
Insulin-like growth factor binding protein family is known to be involved in regulating biological actions of insulin-like growth factors (IGFs). In the present study, a full-length cDNA encoding the IGFBP-5 gene was cloned and characterized from the cerebral ganglion of Haliotis discus hannai. The 921-bp full-length sequence of Hdh IGFBP-5 cDNA transcript had an open reading frame of 411 bp encoding a predicted polypeptide of 136 amino acids, sharing high sequence identities with IGFBP-5 of H. diversicolor. The deduced Hdh IGFBP-5 protein contained a putative transmembrane domain (13-35 aa) in the N-terminal region. It also possessed a signature domain of IGFBP protein family (IB domain, 45-120 aa). Six cysteine residues (Cys-47, Cys-55, Cys-73, Cys-85, Cys-98, and Cys-118) in this cloned sequence could potentially form an intrachain disulfide bond. Phylogenetic analysis indicated that the Hdh IGFBP-5 gene was robustly clustered with IGFBP-5 of H. diversicolor. Tissue distribution analysis based on qPCR assay showed that Hdh IGFBP-5 was widely expressed in all examined tissues, with significantly (p < 0.05) higher expression in the cerebral ganglion. In male and female gametogenetic cycles, Hdh IGFBP-5 mRNA was expressed at all stages, showing significantly higher level at ripening stage. The expression level of Hdh IGFBP-5 mRNA was significantly higher in the polar body stage than in other ontogenic stages. In situ hybridization revealed that Hdh IGFBP-5 mRNA was present in the neurosecretory cells of the cerebral ganglion. This is the first study describing IGFBP-5 in H. discus hannai that might be synthesized in the neural ganglia. Our results demonstrate Hdh IGFBP-5 is involved in regulating ontogenic development and reproductive regulation of H. discus hannai.
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Affiliation(s)
| | | | | | - Kang Hee Kho
- Correspondence: ; Tel.: +82-616-597-168; Fax: +82-616-597-169
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Nolte MJ, Jing P, Dewey CN, Payseur BA. Giant Island Mice Exhibit Widespread Gene Expression Changes in Key Metabolic Organs. Genome Biol Evol 2020; 12:1277-1301. [PMID: 32531054 PMCID: PMC7487164 DOI: 10.1093/gbe/evaa118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/06/2020] [Indexed: 12/02/2022] Open
Abstract
Island populations repeatedly evolve extreme body sizes, but the genomic basis of this pattern remains largely unknown. To understand how organisms on islands evolve gigantism, we compared genome-wide patterns of gene expression in Gough Island mice, the largest wild house mice in the world, and mainland mice from the WSB/EiJ wild-derived inbred strain. We used RNA-seq to quantify differential gene expression in three key metabolic organs: gonadal adipose depot, hypothalamus, and liver. Between 4,000 and 8,800 genes were significantly differentially expressed across the evaluated organs, representing between 20% and 50% of detected transcripts, with 20% or more of differentially expressed transcripts in each organ exhibiting expression fold changes of at least 2×. A minimum of 73 candidate genes for extreme size evolution, including Irs1 and Lrp1, were identified by considering differential expression jointly with other data sets: 1) genomic positions of published quantitative trait loci for body weight and growth rate, 2) whole-genome sequencing of 16 wild-caught Gough Island mice that revealed fixed single-nucleotide differences between the strains, and 3) publicly available tissue-specific regulatory elements. Additionally, patterns of differential expression across three time points in the liver revealed that Arid5b potentially regulates hundreds of genes. Functional enrichment analyses pointed to cell cycling, mitochondrial function, signaling pathways, inflammatory response, and nutrient metabolism as potential causes of weight accumulation in Gough Island mice. Collectively, our results indicate that extensive gene regulatory evolution in metabolic organs accompanied the rapid evolution of gigantism during the short time house mice have inhabited Gough Island.
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Affiliation(s)
- Mark J Nolte
- Laboratory of Genetics, University of Wisconsin - Madison
| | - Peicheng Jing
- Laboratory of Genetics, University of Wisconsin - Madison
| | - Colin N Dewey
- Department of Biostatistics and Medical Informatics, University of Wisconsin - Madison
| | - Bret A Payseur
- Laboratory of Genetics, University of Wisconsin - Madison
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Hunt ER, Villasanta-Tezanos AG, Butterfield TA, Lattermann C, Jacobs CA. Upregulation of Systemic Inflammatory Pathways Following Anterior Cruciate Ligament Injury Relates to Both Cartilage and Muscular Changes: A Pilot Study. J Orthop Res 2020; 38:387-392. [PMID: 31517396 DOI: 10.1002/jor.24467] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 09/03/2019] [Indexed: 02/04/2023]
Abstract
In conjunction with cartilage breakdown, muscle maladaptation including atrophy and increased fibrosis have been observed in the quadriceps following anterior cruciate ligament (ACL) injury. Previously observed upregulated muscle-related proteins in the synovial fluid following ACL rupture allude to cellular communication between the joint and muscle. Therefore, the purpose of this study was to determine whether muscle-related analytes are differentially expressed in the serum. Sixteen patients with an acute ACL tear participated in this IRB-approved study. Serum was obtained at two different time points at a mean of 6 and 14 days post-injury, and serum was analyzed by a highly multiplexed assay of 1,300 proteins. Pathway analysis using DAVID was performed; genes included met three criteria: significant change between the two study time points using a paired t test, significant change between the two study time points using a Mann-Whitney non-parametric test, and significant Benjamini post hoc analysis. Twelve analytes significantly increased between time points. Proteins chitinase-3-like protein 1 (p = 0.01), insulin-like growth factor binding protein 1 (p = 0.01), insulin-like growth factor binding protein 5 (p = 0.02), renin (p = 0.004), and lymphotoxin alpha 1: beta 2 (p = 0.03) were significantly upregulated in serum following acute ACL injury. The current results confirm the inflammatory pattern previously seen in the synovial fluid thought to play a role in the progression of post-traumatic osteoarthritis after ACL injury, and this data also provides further insights into important communication between the joint and quadriceps group, whose function is important in long term health. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:387-392, 2020.
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Affiliation(s)
- Emily R Hunt
- Department of Orthopedic Surgery, University of Kentucky, 740 S Limestone, Suite K401, Lexington, Kentucky, 40536-0284
| | | | - Timothy A Butterfield
- College of Health Sciences, Rehabilitation Science PhD Program, University of Kentucky, Lexington, Kentucky
| | - Christian Lattermann
- Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Cale A Jacobs
- Department of Orthopedic Surgery, University of Kentucky, 740 S Limestone, Suite K401, Lexington, Kentucky, 40536-0284
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Nindl BC, Ahtiainen J, Gagnon SS, Taipale RS, Pierce JR, Martin BJ, Beckner ME, Lehti M, Häkkinen K, Kyröläinen H. Microdialysis-Assessed Exercised Muscle Reveals Localized and Differential IGFBP Responses to Unilateral Stretch Shortening Cycle Exercise. Front Endocrinol (Lausanne) 2020; 11:315. [PMID: 32547489 PMCID: PMC7272679 DOI: 10.3389/fendo.2020.00315] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 04/24/2020] [Indexed: 01/10/2023] Open
Abstract
Microdialysis allows for a preview into local muscle metabolism and can provide physiological insight that blood measurements cannot. Purpose: To examine the potential differential IGF-I system regulation in interstitial fluid during unilateral stretch shortening cycle exercise. Methods: 10 men (26 ± 7 year) performed unilateral jumping [stretch shortening cycle (SSC) exercise at 50% of optimal jump height] until volitional fatigue on a sled apparatus. Biological sampling took place using a catheter inserted into an antecubital vein (serum), and 100 kDa microdialysis probes inserted into the thigh muscle of each exercise/control leg (dialysate). Serum was drawn before (Pre; -3 h) and after SSC [Post I (+0 h), II (+3 h), or III (+20 h)]; dialysate was sampled for 2 h before (Pre), during/immediately after (Ex), and 3 h into recovery (Rec) following SSC. IGF-I system parameters (free/total IGF-I and IGFBPs 1-6) were measured with immunoassays. Interstitial free IGF-I was estimated from dialysate IGF-I and relative recovery (ethanol) correction. Data were analyzed with repeated measures ANOVA. Results: Serum total IGF-I remained elevated +3 h (Post II: 182.8 ± 37.6 vs. Pre: 168.3 ± 35.0 ng/mL, p < 0.01), but returned to baseline by +20 h (Post III vs. Pre, p = 0.31). No changes in serum free IGF-I were noted. Serum BP-1 and -3 increased over baseline, but not until + 20 h after SSC (Post III vs. Pre: 7.6 ± 4.9 vs. 3.7 ± 2.3 and 1,048.6 ± 269.2 vs. 891.4 ± 171.2 ng/mL, respectively). We observed a decreased serum BP-6 +3 h after SSC (p < 0.01), followed by a return to baseline at +20 h (p = 0.64 vs. Pre). There were no exercise-induced changes in serum BP-2, -4, or -5. Unlike serum, there were no changes in dialysate or interstitial free IGF-I in either leg (p > 0.05). Dialysate BP-1 remained increased in both exercise and control legs through 3 h into recovery (Rec vs. Pre, p < 0.01). Dialysate BP-3 also demonstrated a prolonged elevation over Pre SSC concentrations, but in the exercise leg only (Ex and Rec vs. Pre, p < 0.04). We observed a prolonged decrease in dialysate BP-5 (Ex and Rec vs. Pre, p < 0.03) and an increase in BP-4 IP in the exercise leg only. There were no changes relative to Pre SSC in dialysate BP-2 or -6. Conclusions: Unilateral exercise drives differential regulation of the IGF-I system at both local and systemic levels. More specifically, this is the first study to demonstrate that localized exercise increases IGFBP-3, IGFBP-4 and decreases in IGFBP-5 in muscle interstitial fluid.
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Affiliation(s)
- Bradley C. Nindl
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, University of Pittsburgh, Pittsburgh, PA, United States
- US Army Research Institute of Environmental Medicine, Natick, MA, United States
- Army Public Health Center, Aberdeen Proving Ground, MD, United States
- *Correspondence: Bradley C. Nindl
| | - Juha Ahtiainen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Sheila S. Gagnon
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Ritva S. Taipale
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Joseph R. Pierce
- US Army Research Institute of Environmental Medicine, Natick, MA, United States
- Army Public Health Center, Aberdeen Proving Ground, MD, United States
| | - Brian J. Martin
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, University of Pittsburgh, Pittsburgh, PA, United States
| | - Meaghan E. Beckner
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, University of Pittsburgh, Pittsburgh, PA, United States
| | - M. Lehti
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Keijo Häkkinen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
| | - Heikki Kyröläinen
- Neuromuscular Research Center, Faculty of Sport and Health Sciences, University of Jyväskylä, Jyvaskyla, Finland
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Duan C, Allard JB. Insulin-Like Growth Factor Binding Protein-5 in Physiology and Disease. Front Endocrinol (Lausanne) 2020; 11:100. [PMID: 32194505 PMCID: PMC7063065 DOI: 10.3389/fendo.2020.00100] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 02/17/2020] [Indexed: 12/25/2022] Open
Abstract
Insulin-like growth factor (IGF) signaling is regulated by a conserved family of IGF binding proteins (IGFBPs) in vertebrates. Among the six distinct types of IGFBPs, IGFBP-5 is the most highly conserved across species and has the broadest range of biological activities. IGFBP-5 is expressed in diverse cell types, and its expression level is regulated by a variety of signaling pathways in different contexts. IGFBP-5 can exert a range of biological actions including prolonging the half-life of IGFs in the circulation, inhibition of IGF signaling by competing with the IGF-1 receptor for ligand binding, concentrating IGFs in certain cells and tissues, and potentiation of IGF signaling by delivery of IGFs to the IGF-1 receptor. IGFBP-5 also has IGF-independent activities and is even detected in the nucleus. Its broad biological activities make IGFBP-5 an excellent representative for understanding IGFBP functions. Despite its evolutionary conservation and numerous biological activities, knockout of IGFBP-5 in mice produced only a negligible phenotype. Recent research has begun to explain this paradox by demonstrating cell type-specific and physiological/pathological context-dependent roles for IGFBP-5. In this review, we survey and discuss what is currently known about IGFBP-5 in normal physiology and human disease. Based on recent in vivo genetic evidence, we suggest that IGFBP-5 is a multifunctional protein with the ability to act as a molecular switch to conditionally regulate IGF signaling.
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Hack NL, Cordova KL, Glaser FL, Journey ML, Resner EJ, Hardy KM, Beckman BR, Lema SC. Interactions of long-term food ration variation and short-term fasting on insulin-like growth factor-1 (IGF-1) pathways in copper rockfish (Sebastes caurinus). Gen Comp Endocrinol 2019; 280:168-184. [PMID: 31022390 DOI: 10.1016/j.ygcen.2019.04.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/13/2019] [Accepted: 04/21/2019] [Indexed: 12/26/2022]
Abstract
Variation in food intake affects somatic growth by altering the expression of hormones in the somatotropic endocrine axis including insulin-like growth factor-1 (IGF-1). Here, we examined IGF-1 pathway responses to long- and short-term variation in food availability in copper rockfish (Sebastes caurinus), a nearshore Pacific rockfish important for commercial and recreational fisheries. Juvenile copper rockfish were raised under differing ration amounts (3% or 9% mass feed·g-1 fish wet mass·day-1) for 140 d to simulate 'long-term' feeding variation, after which some fish from both rations were fasted for 12 d to generate 'short-term' conditions of food deprivation. Rockfish on the 9% ration treatment grew more quickly than those on the 3% ration and were larger in mass, length, and body condition (k) after 152 d. Fish on the 9% ration had higher blood glucose than those on the 3% ration, with fasting decreasing blood glucose in both ration treatments, indicating that both long-term and short-term feed treatments altered energy status. Plasma IGF-1 was higher in rockfish from the 9% ration than those in the 3% ration and was also higher in fed fish than fasted fish. Additionally, plasma IGF-1 related positively to individual variation in specific growth rate (SGR). The positive association between IGF-1 and SGR showed discordance in fish that had experienced different levels of food and growth over the long-term but not short-term, suggesting that long-term nutritional experience can influence the relationship between IGF-1 and growth in this species. Rockfish on the 3% ration showed a lower relative abundance of gene transcripts encoding igf1 in the liver, but higher hepatic mRNAs for IGF binding proteins igfbp1a and igfbp1b. Fasting similarly decreased the abundance of igf1 mRNAs in the liver of fish reared under both the 9% and 3% rations, while concurrently increasing mRNAs encoding the IGF binding proteins igfbp1a, -1b, and -3a. Hepatic mRNAs for igfbp2b, -5a, and -5b were lower with long-term ration variation (3% ration) and fasting. Fish that experienced long-term reduced rations also had higher mRNA levels for igfbp3a, -3b, and IGF receptors isoforms A (igf1rA) and B (igf1rB) in skeletal muscle, but lower mRNA levels for igf1. Fasting increased muscle mRNA abundance for igfbp3a, igf1rA, and igf1rB, and decreased levels for igfbp2a and igf1. These data show that a positive relationship between circulating IGF-1 and individual growth rate is maintained in copper rockfish even when that growth variation relates to differences in food consumption across varying time scales, but that long- and short-term variation in food quantity can shift basal concentrations of circulating IGF-1 in this species.
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Affiliation(s)
- Nicole L Hack
- Biological Sciences Department, Center for Coastal Marine Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USA
| | - Kasey L Cordova
- Biological Sciences Department, Center for Coastal Marine Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USA
| | - Frances L Glaser
- Biological Sciences Department, Center for Coastal Marine Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USA
| | - Meredith L Journey
- Lynker Technology, 202 Church St SE #536, Leesburg, VA 20175, Under Contract to Environmental and Fisheries Sciences Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA 98112, USA
| | - Emily J Resner
- Biological Sciences Department, Center for Coastal Marine Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USA
| | - Kristin M Hardy
- Biological Sciences Department, Center for Coastal Marine Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USA
| | - Brian R Beckman
- Environmental and Fisheries Sciences Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA, 98112, USA
| | - Sean C Lema
- Biological Sciences Department, Center for Coastal Marine Sciences, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
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Transcriptome and proteome profiling of neural stem cells from the human subventricular zone in Parkinson's disease. Acta Neuropathol Commun 2019; 7:84. [PMID: 31159890 PMCID: PMC6545684 DOI: 10.1186/s40478-019-0736-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 05/13/2019] [Indexed: 01/02/2023] Open
Abstract
It is currently accepted that the human brain has a limited neurogenic capacity and an impaired regenerative potential. We have previously shown the existence of CD271-expressing neural stem cells (NSCs) in the subventricular zone (SVZ) of Parkinson's disease (PD) patients, which proliferate and differentiate towards neurons and glial cells in vitro. To study the molecular profile of these NSCs in detail, we performed RNA sequencing and mass spectrometry on CD271+ NSCs isolated from human post-mortem SVZ and on homogenates of the SVZ. CD271+ cells were isolated through magnetic cell separation (MACS). We first compared the molecular profile of CD271+ NSCs to the SVZ homogenate from control donors and then compared CD271+ cells to CD11b+ microglia. These results confirmed their neural stem cell identity. Finally we compared controls and PD patients to establish a specific molecular profile of NSCs and the SVZ in PD. While our transcriptome analysis did not identify any differentially expressed genes in the SVZ between control and PD patients, our proteome analysis revealed several proteins that were differentially expressed in PD. Some of these proteins are involved in cytoskeletal organization and mitochondrial function. Transcriptome and proteome analyses of NSCs from PD revealed changes in the expression of genes and proteins involved in metabolism, transcriptional activity and cytoskeletal organization. Our data suggest that NSCs may transit into a primed-quiescent state, that is in an "alert" non-proliferative phase in PD. Our results not only confirm pathological hallmarks of PD (e.g. impaired mitochondrial function), but also show that the NSCs from SVZ undergo significant changes at both transcriptome and proteome level following PD.
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Meakin AS, Saif Z, Tuck AR, Clifton VL. Human placental androgen receptor variants: Potential regulators of male fetal growth. Placenta 2019; 80:18-26. [PMID: 31103062 DOI: 10.1016/j.placenta.2019.03.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/12/2019] [Accepted: 03/25/2019] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Numerous studies show that males have increased intrauterine growth compared to females, and that pregnancy complications may further these growth differences, but the regulatory mechanisms underlying these differences remain unknown. We propose that these growth outcomes may be due to sex-specific differences in androgen sensitivity - giving rise to altered growth signalling pathways - mediated by the differential expression of placental androgen receptor (AR) variants. METHODS Placental protein and mRNA were used to identify AR protein variant levels and AR-downstream target gene expression, and were then analysed against neonatal measurements. Dihydrotestosterone (DHT)-induced AR protein variant expression and downstream growth factors were examined in vitro. RESULTS Four known AR variants (AR-FL, AR-V1, AR-V7, and AR-45), and three unknown proteins (120, 90 and 55 kDa) immunoreactive to the anti-AR antibody were identified in human placentae. Male placentae from controlled asthmatic pregnancies had increased AR-45 and decreased AR-V1 and AR-V7 nuclear expression. Increased nuclear AR-45 expression was associated with increased insulin-like growth factor 1 (IGF-1), IGF-1 receptor (IGF-1R), and IGF-binding protein 5 (IGFBP-5) mRNA expression and normal male growth. AR-45 mRNA and protein did not change in the presence of uncontrolled maternal asthma and associated with an increase in small for gestational (SGA) male fetuses. In vitro DHT stimulation increased AR-45 protein and IGF-1R and IGFBP-5 mRNA expression. CONCLUSIONS Collectively, our data shows altered AR protein expression and downstream signalling targets may contribute to sex-specific fetal growth outcomes in response to an adverse environment, and that AR-45 appears central in mediating these changes.
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Affiliation(s)
- Ashley S Meakin
- Pregnancy and Development, Mater Medical Research Institute-University of Queensland, Brisbane, Australia
| | - Zarqa Saif
- Pregnancy and Development, Mater Medical Research Institute-University of Queensland, Brisbane, Australia
| | - Astrud R Tuck
- Robinson Research Institute, University of Adelaide, Adelaide, Australia
| | - Vicki L Clifton
- Pregnancy and Development, Mater Medical Research Institute-University of Queensland, Brisbane, Australia.
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Vassilakos G, Barton ER. Insulin-Like Growth Factor I Regulation and Its Actions in Skeletal Muscle. Compr Physiol 2018; 9:413-438. [PMID: 30549022 DOI: 10.1002/cphy.c180010] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The insulin-like growth factor (IGF) pathway is essential for promoting growth and survival of virtually all tissues. It bears high homology to its related protein insulin, and as such, there is an interplay between these molecules with regard to their anabolic and metabolic functions. Skeletal muscle produces a significant proportion of IGF-1, and is highly responsive to its actions, including increased muscle mass and improved regenerative capacity. In this overview, the regulation of IGF-1 production, stability, and activity in skeletal muscle will be described. Second, the physiological significance of the forms of IGF-1 produced will be discussed. Last, the interaction of IGF-1 with other pathways will be addressed. © 2019 American Physiological Society. Compr Physiol 9:413-438, 2019.
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Affiliation(s)
- Georgios Vassilakos
- Department of Applied Physiology and Kinesiology, College of Health and Human Performance, University of Florida, Gainesville, Florida, USA
| | - Elisabeth R Barton
- Department of Applied Physiology and Kinesiology, College of Health and Human Performance, University of Florida, Gainesville, Florida, USA
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Chi-miR-3031 regulates beta-casein via the PI3K/AKT-mTOR signaling pathway in goat mammary epithelial cells (GMECs). BMC Vet Res 2018; 14:369. [PMID: 30482199 PMCID: PMC6258393 DOI: 10.1186/s12917-018-1695-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 11/12/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND MicroRNAs can regulate gene expression at the posttranscriptional level through translational repression or target degradation. Our previous investigations examined the differential expression levels of chi-miR-3031 in caprine mammary gland tissues in colostrum and common milk stages. RESULTS The present study detected the role of chi-miR-3031 in the lactation mechanisms of GMECs. High-throughput sequencing was used to analyze transcriptomic landscapes of GMECs transfected with chi-miR-3031 mimics (MC) and a mimic negative control (NC). In the MC and NC groups, we acquired 39,793,503 and 36,531,517 uniquely mapped reads, respectively, accounting for 85.85 and 81.66% of total reads. In the MC group, 180 differentially expressed unigenes were downregulated, whereas 157 unigenes were upregulated. KEGG pathway analyses showed that the prolactin, TNF and ErbB signaling pathways, including TGFα, PIK3R3, IGF2, ELF5, IGFBP5 and LHβ genes, played important roles in mammary development and milk secretion. Results from transcriptome sequencing, real-time PCR and western blotting showed that chi-miR-3031 suppressed the expression of IGFBP5 mRNA and protein. The expression levels of β-casein significantly increased in the MC and siRNA-IGFBP5 groups. We observed that the down-regulation of IGFBP5 activated mTOR at the Ser2448 site in GMECs transfected with MC and siRNA-IGFBP5. Previous findings and our results showed that chi-miR-3031 activated the PI3K-AKT-mTOR pathway and increased β-casein expression by down-regulating IGFBP5. CONCLUSIONS These findings will afford valuable information for improving milk quality and contribute the development of potential methods for amending lactation performance.
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Sevillano CA, ten Napel J, Guimarães SEF, Silva FF, Calus MPL. Effects of alleles in crossbred pigs estimated for genomic prediction depend on their breed-of-origin. BMC Genomics 2018; 19:740. [PMID: 30305017 PMCID: PMC6180412 DOI: 10.1186/s12864-018-5126-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 09/27/2018] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND This study investigated if the allele effect of a given single nucleotide polymorphism (SNP) for crossbred performance in pigs estimated in a genomic prediction model differs depending on its breed-of-origin, and how these are related to estimated effects for purebred performance. RESULTS SNP-allele substitution effects were estimated for a commonly used SNP panel using a genomic best linear unbiased prediction model with breed-specific partial relationship matrices. Estimated breeding values for purebred and crossbred performance were converted to SNP-allele effects by breed-of-origin. Differences between purebred and crossbred, and between breeds-of-origin were evaluated by comparing percentage of variance explained by genomic regions for back fat thickness (BF), average daily gain (ADG), and residual feed intake (RFI). From ten regions explaining most additive genetic variance for crossbred performance, 1 to 5 regions also appeared in the top ten for purebred performance. The proportion of genetic variance explained by a genomic region and the estimated effect of a haplotype in such a region were different depending upon the breed-of-origin. To illustrate underlying mechanisms, we evaluated the estimated effects across breeds-of-origin for haplotypes associated to the melanocortin 4 receptor (MC4R) gene, and for the MC4Rsnp itself which is a missense mutation with a known effect on BF and ADG. Although estimated allele substitution effects of the MC4Rsnp mutation were very similar across breeds, explained genetic variance of haplotypes associated to the MC4R gene using a SNP panel that does not include the mutation, was considerably lower in one of the breeds where the allele frequency of the mutation was the lowest. CONCLUSIONS Similar regions explaining similar additive genetic variance were observed across purebred and crossbred performance. Moreover, there was some overlap across breeds-of-origin between regions that explained relatively large proportions of genetic variance for crossbred performance; albeit that the actual proportion of variance deviated across breeds-of-origin. Results based on a missense mutation in MC4R confirmed that even if a causal locus has similar effects across breeds-of-origin, estimated effects and explained variance in its region using a commonly used SNP panel can strongly depend on the allele frequency of the underlying causal mutation.
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Affiliation(s)
- Claudia A Sevillano
- Wageningen University & Research Animal Breeding and Genomics, P.O. Box 338, Wageningen, AH 6700 The Netherlands
- Topigs Norsvin Research Center, P.O. Box 43, Beuningen, 6640 AA The Netherlands
| | - Jan ten Napel
- Wageningen University & Research Animal Breeding and Genomics, P.O. Box 338, Wageningen, AH 6700 The Netherlands
| | - Simone E F Guimarães
- Department of Animal Science, Universidade Federal de Viçosa, Viçosa, Minas 36570-000 Brazil
| | - Fabyano F Silva
- Department of Animal Science, Universidade Federal de Viçosa, Viçosa, Minas 36570-000 Brazil
| | - Mario P L Calus
- Wageningen University & Research Animal Breeding and Genomics, P.O. Box 338, Wageningen, AH 6700 The Netherlands
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Hack NL, Strobel JS, Journey ML, Beckman BR, Lema SC. Response of the insulin-like growth factor-1 (Igf1) system to nutritional status and growth rate variation in olive rockfish (Sebastes serranoides). Comp Biochem Physiol A Mol Integr Physiol 2018; 224:42-52. [DOI: 10.1016/j.cbpa.2018.05.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/28/2018] [Accepted: 05/30/2018] [Indexed: 12/20/2022]
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Sukhanov S, Higashi Y, Shai SY, Snarski P, Danchuk S, D'Ambra V, Tabony M, Woods TC, Hou X, Li Z, Ozoe A, Chandrasekar B, Takahashi SI, Delafontaine P. SM22α (Smooth Muscle Protein 22-α) Promoter-Driven IGF1R (Insulin-Like Growth Factor 1 Receptor) Deficiency Promotes Atherosclerosis. Arterioscler Thromb Vasc Biol 2018; 38:2306-2317. [PMID: 30354209 PMCID: PMC6287936 DOI: 10.1161/atvbaha.118.311134] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Objective- IGF-1 (insulin-like growth factor 1) is a major autocrine/paracrine growth factor, which promotes cell proliferation, migration, and survival. We have shown previously that IGF-1 reduced atherosclerosis and promoted features of stable atherosclerotic plaque in Apoe-/- mice-an animal model of atherosclerosis. The aim of this study was to assess effects of smooth muscle cell (SMC) IGF-1 signaling on the atherosclerotic plaque. Approach and Results- We generated Apoe-/- mice with IGF1R (IGF-1 receptor) deficiency in SMC and fibroblasts (SM22α [smooth muscle protein 22 α]-CreKI/IGF1R-flox mice). IGF1R was decreased in the aorta and adventitia of SM22α-CreKI/IGF1R-flox mice and also in aortic SMC, embryonic, skin, and lung fibroblasts isolated from SM22α-CreKI/IGF1R-flox mice. IGF1R deficiency downregulated collagen mRNA-binding protein LARP6 (La ribonucleoprotein domain family, member 6) and vascular collagen, and mice exhibited growth retardation. The high-fat diet-fed SM22α-CreKI/IGF1R-flox mice had increased atherosclerotic burden and inflammatory responses. α-SMA (α-smooth muscle actin)-positive plaque cells had reduced proliferation and elevated apoptosis. SMC/fibroblast-targeted decline in IGF-1 signaling decreased atherosclerotic plaque SMC, markedly depleted collagen, reduced plaque fibrous cap, and increased plaque necrotic cores. Aortic SMC isolated from SM22α-CreKI/IGF1R-flox mice had decreased cell proliferation, migration, increased sensitivity to apoptosis, and these effects were associated with disruption of IGF-1-induced Akt signaling. Conclusions- IGF-1 signaling in SMC and in fibroblast is a critical determinant of normal vascular wall development and atheroprotection.
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MESH Headings
- Actins/metabolism
- Animals
- Aorta/metabolism
- Aorta/pathology
- Aortic Diseases/genetics
- Aortic Diseases/metabolism
- Aortic Diseases/pathology
- Apoptosis
- Atherosclerosis/genetics
- Atherosclerosis/metabolism
- Atherosclerosis/pathology
- Autoantigens/metabolism
- Cell Movement
- Cell Proliferation
- Cells, Cultured
- Collagen/metabolism
- Disease Models, Animal
- Female
- Fibroblasts/metabolism
- Fibrosis
- Male
- Mice, Inbred C57BL
- Mice, Knockout, ApoE
- Microfilament Proteins/genetics
- Muscle Proteins/genetics
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Plaque, Atherosclerotic
- Promoter Regions, Genetic
- Proto-Oncogene Proteins c-akt/metabolism
- Receptor, IGF Type 1/deficiency
- Receptor, IGF Type 1/genetics
- Ribonucleoproteins/metabolism
- Signal Transduction
- SS-B Antigen
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Affiliation(s)
- Sergiy Sukhanov
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
| | - Yusuke Higashi
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
| | - Shaw-Yung Shai
- Heart and Vascular Institute (S.-Y.S., V.D., M.T.), Tulane University School of Medicine, New Orleans, LA
| | - Patricia Snarski
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
| | - Svitlana Danchuk
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
| | - Veronica D'Ambra
- Heart and Vascular Institute (S.-Y.S., V.D., M.T.), Tulane University School of Medicine, New Orleans, LA
| | - Michael Tabony
- Heart and Vascular Institute (S.-Y.S., V.D., M.T.), Tulane University School of Medicine, New Orleans, LA
| | - T Cooper Woods
- Department of Physiology (T.C.W.), Tulane University School of Medicine, New Orleans, LA
| | - Xuwei Hou
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
| | - Zhaohui Li
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
| | - Atsufumi Ozoe
- Graduate School of Agriculture and Life Sciences, University of Tokyo, Bunkyo-ku, Japan (A.O., S.-I.T.)
| | - Bysani Chandrasekar
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
- Harry Truman Memorial Veterans Hospital, Columbia, MO (B.C.)
| | - Shin-Ichiro Takahashi
- Graduate School of Agriculture and Life Sciences, University of Tokyo, Bunkyo-ku, Japan (A.O., S.-I.T.)
| | - Patrice Delafontaine
- From the University of Missouri-Columbia School of Medicine (S.S., Y.H., P.S., S.D., X.H., Z.L., B.C., P.D.)
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Abstract
Insulin-like growth factor-binding proteins (IGFBPs) 1-6 bind IGFs but not insulin with high affinity. They were initially identified as serum carriers and passive inhibitors of IGF actions. However, subsequent studies showed that, although IGFBPs inhibit IGF actions in many circumstances, they may also potentiate these actions. IGFBPs are widely expressed in most tissues, and they are flexible endocrine and autocrine/paracrine regulators of IGF activity, which is essential for this important physiological system. More recently, individual IGFBPs have been shown to have IGF-independent actions. Mechanisms underlying these actions include (i) interaction with non-IGF proteins in compartments including the extracellular space and matrix, the cell surface and intracellular space, (ii) interaction with and modulation of other growth factor pathways including EGF, TGF-β and VEGF, and (iii) direct or indirect transcriptional effects following nuclear entry of IGFBPs. Through these IGF-dependent and IGF-independent actions, IGFBPs modulate essential cellular processes including proliferation, survival, migration, senescence, autophagy and angiogenesis. They have been implicated in a range of disorders including malignant, metabolic, neurological and immune diseases. A more complete understanding of their cellular roles may lead to the development of novel IGFBP-based therapeutic opportunities.
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Affiliation(s)
- L A Bach
- Department of Medicine (Alfred)Monash University, Melbourne, Australia
- Department of Endocrinology and DiabetesAlfred Hospital, Melbourne, Australia
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39
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Cao Y, You S, Yao Y, Liu ZJ, Hazi W, Li CY, Zhang XY, Hou XX, Wei JC, Li XY, Wang DW, Chen CF, Zhang YF, Ni W, Hu SW. Expression profiles of circular RNAs in sheep skeletal muscle. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2018; 31:1550-1557. [PMID: 29642686 PMCID: PMC6127590 DOI: 10.5713/ajas.17.0563] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 03/13/2018] [Indexed: 12/20/2022]
Abstract
Objective Circular RNAs (circRNAs) are a newfound class of non-coding RNA in animals and plants. Recent studies have revealed that circRNAs play important roles in cell proliferation, differentiation, autophagy and apoptosis during development. However, there are few reports about muscle development-related circRNAs in livestock. Methods RNA sequencing analysis was employed to identify and annotate circRNAs from longissimus dorsi of sheep. Reverse transcription followed by real-time quantitative (q) polymerase chain reaction (PCR) analysis verified the presence of these circRNAs. Targetscan7.0 and miRanda were used to analyse the interaction of circRNA-microRNA (miRNA). To investigate the function of circRNAs, an experiment was conducted to perform enrichment analysis hosting genes of circRNAs using gene ontology (GO) and Kyoto encyclopedia of genes and genomes (KEGG) pathways. Results About 75.5 million sequences were obtained from RNA libraries of sheep skeletal muscle. These sequences were mapped to 729 genes in the sheep reference genome. We identified 886 circRNAs, including numerous circular intronic RNAs and exonic circRNAs. Reverse transcription PCR (RT-PCR) and DNA sequencing analysis confirmed the presence of several circRNAs. Real-Time RT-PCR analysis exhibited resistance of sheep circRNAs to RNase R digestion. We found that many circRNAs interacted with muscle-specific miRNAs involved in growth and development of muscle, especially circ776. The GO and KEGG enrichment analysis showed that hosting genes of circRNAs was involved in muscle cell development and signaling pathway. Conclusion The study provides comprehensive expression profiles of circRNAs in sheep skeletal muscle. Our study offers a large number of circRNAs to facilitate a better understanding of their roles in muscle growth. Meanwhile, we suggested that circ776 could be analyzed in future study.
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Affiliation(s)
- Yang Cao
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Shuang You
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Yang Yao
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Zhi-Jin Liu
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Wureli Hazi
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Cun-Yuan Li
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Xiang-Yu Zhang
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Xiao-Xu Hou
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Jun-Chang Wei
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Xiao-Yue Li
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Da-Wei Wang
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Chuang-Fu Chen
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Yun-Feng Zhang
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Wei Ni
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Sheng-Wei Hu
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang 832003, China
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Bennett-Toomey J, Stocco C. GATA Regulation and Function During the Ovarian Life Cycle. VITAMINS AND HORMONES 2018; 107:193-225. [PMID: 29544631 DOI: 10.1016/bs.vh.2018.01.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
GATA4 and GATA6 are the sole GATA factors expressed in the ovary during embryonic development and adulthood. Up today, GATA4 and GATA6 are the only transcription factors that have been conditionally deleted during ovarian development and at each major stage of follicle maturation. The evidence from these transgenic mice revealed that GATA4 and GATA6 are crucial for follicles assembly, granulosa cell differentiation, postnatal follicle growth, and luteinization. Thus, conditional knockdown of both factors in the granulosa cells at any stage of development leads to female infertility. GATA targets impacting female reproduction include genes involved in steroidogenesis, hormone signaling, ovarian hormones, extracellular matrix organization, and apoptosis/cell division.
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Affiliation(s)
| | - Carlos Stocco
- College of Medicine, University of Illinois at Chicago, Chicago, IL, United States.
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Transcriptomic changes in the pre-implantation uterus highlight histotrophic nutrition of the developing marsupial embryo. Sci Rep 2018; 8:2412. [PMID: 29402916 PMCID: PMC5799185 DOI: 10.1038/s41598-018-20744-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 01/23/2018] [Indexed: 12/12/2022] Open
Abstract
Early pregnancy is a critical time for successful reproduction; up to half of human pregnancies fail before the development of the definitive chorioallantoic placenta. Unlike the situation in eutherian mammals, marsupial pregnancy is characterised by a long pre-implantation period prior to the development of the short-lived placenta, making them ideal models for study of the uterine environment promoting embryonic survival pre-implantation. Here we present a transcriptomic study of pre-implantation marsupial pregnancy, and identify differentially expressed genes in the Sminthopsis crassicaudata uterus involved in metabolism and biosynthesis, transport, immunity, tissue remodelling, and uterine receptivity. Interestingly, almost one quarter of the top 50 genes that are differentially upregulated in early pregnancy are putatively involved in histotrophy, highlighting the importance of nutrient transport to the conceptus prior to the development of the placenta. This work furthers our understanding of the mechanisms underlying survival of pre-implantation embryos in the earliest live bearing ancestors of mammals.
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42
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Sanada F, Taniyama Y, Muratsu J, Otsu R, Shimizu H, Rakugi H, Morishita R. IGF Binding Protein-5 Induces Cell Senescence. Front Endocrinol (Lausanne) 2018; 9:53. [PMID: 29515523 PMCID: PMC5826077 DOI: 10.3389/fendo.2018.00053] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Cellular senescence is the complex process of deterioration that drives the aging of an organism, resulting in the progressive loss of organ function and eventually phenotypic aging. Senescent cells undergo irreversible growth arrest, usually by inducing telomere shortening. Alternatively, senescence may also occur prematurely in response to various stress stimuli, such as oxidative stress, DNA damage, or activated oncogenes. Recently, it has been shown that IGF binding protein-5 (IGFBP-5) with the induction of the tumor suppressor p53 is upregulated during cellular senescence. This mechanism mediates interleukin-6/gp130-induced premature senescence in human fibroblasts, irradiation-induced premature senescence in human endothelial cells (ECs), and replicative senescence in human ECs independent of insulin-like growth factor I (IGF-I) and IGF-II. Additionally, a link between IGFBP-5, hyper-coagulation, and inflammation, which occur with age, has been implicated. Thus, IGFBP-5 seems to play decisive roles in controlling cell senescence and cell inflammation. In this review, we describe the accumulating evidence for this role of IGFBP-5 including our new finding.
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Affiliation(s)
- Fumihiro Sanada
- Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
- *Correspondence: Fumihiro Sanada, ; Ryuichi Morishita,
| | - Yoshiaki Taniyama
- Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Jun Muratsu
- Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Rei Otsu
- Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hideo Shimizu
- Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hiromi Rakugi
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Ryuichi Morishita
- Department of Clinical Gene Therapy, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
- *Correspondence: Fumihiro Sanada, ; Ryuichi Morishita,
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43
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Mazerbourg S, Monget P. Insulin-Like Growth Factor Binding Proteins and IGFBP Proteases: A Dynamic System Regulating the Ovarian Folliculogenesis. Front Endocrinol (Lausanne) 2018; 9:134. [PMID: 29643837 PMCID: PMC5890141 DOI: 10.3389/fendo.2018.00134] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 03/14/2018] [Indexed: 12/22/2022] Open
Abstract
The aim of the present article is to update our understanding of the expression of the insulin-like growth factor binding proteins (IGFBPs), IGFBP proteases and their implication in the different processes of ovarian folliculogenesis in mammals. In the studied species, IGFs and several small-molecular weight IGFBPs (in particular IGFBP-2 and IGFBP-4) are considered, respectively, as stimulators and inhibitors of follicular growth and maturation. IGFs play a key role in sensitizing ovarian granulosa cells to FSH action during terminal follicular growth. Concentrations of IGFBP-2 and IGFBP-4 in follicular fluid strongly decrease during follicular growth, leading to an increase in IGF bioavailability. Inversely, atresia is characterized by an increase of IGFBP-2 and IGFBP-4 levels, leading to a decrease in IGF bioavailability. Changes in intrafollicular IGFBPs content are due to variations in mRNA expression and/or proteolytic degradation by the pregnancy-associated plasma protein-A (PAPP-A), and likely participates in the selection of dominant follicles. The identification of PAPP-A2, as an IGFBP-3 and -5 protease, and stanniocalcins (STCs) as inhibitors of PAPP-A activity extends the IGF system. Studies on their implication in folliculogenesis in mammals are still in the early stages.
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Affiliation(s)
- Sabine Mazerbourg
- Université de Lorraine, CNRS, CRAN, Nancy, France
- *Correspondence: Sabine Mazerbourg, ; Philippe Monget,
| | - Philippe Monget
- INRA, Physiologie de la Reproduction et des Comportements, UMR 6078 INRA-CNRS-Université de Tours, Nouzilly, France
- *Correspondence: Sabine Mazerbourg, ; Philippe Monget,
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Mano SS, Uto K, Ebara M. Material-induced Senescence (MIS): Fluidity Induces Senescent Type Cell Death of Lung Cancer Cells via Insulin-Like Growth Factor Binding Protein 5. Theranostics 2017; 7:4658-4670. [PMID: 29187894 PMCID: PMC5706090 DOI: 10.7150/thno.20582] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Accepted: 08/11/2017] [Indexed: 12/28/2022] Open
Abstract
Objective: We propose here material-induced senescence (MIS) as a new therapeutic concept that limits cancer progression by stable cell cycle arrest. This study examined for the first time the effect of material fluidity on cellular senescence in lung carcinoma using poly(ε-caprolactone-co-D, L-lactide) (P(CL-co-DLLA)) with tunable elasticity and fluidity. Methods: The fluidity was varied by chemically crosslinking the polymer networks: the crosslinked P(CL-co-DLLA) shows solid-like properties with a stiffness of 260 kPa, while the non-crosslinked polymer exists in a quasi-liquid state with loss and storage moduli of 33 kPa and 11 kPa, respectively. Results: We found that cancer cells growing on the non-crosslinked, fluidic substrate undergo a non-apoptotic form of cell death and the cell cycle was accumulated in a G0/G1 phase. Next, we investigated the expression of biomarkers that are associated with cancer pathways. The cancer cells on the fluidic substrate expressed several biomarkers associated with senescence such as insulin-like growth factor binding protein 5 (IGFBP5). This result indicates that when cancer cells sense fluidity in their surroundings, the cells express IGFBP5, which in turn triggers the expression of tumor suppressor protein 53 and initiates cell cycle arrest at the G1 phase followed by cellular senescence. Furthermore, the cancer cells on the fluidic substrate maintained their epithelial phenotype, suggesting that the cancer cells do not undergo epithelial to mesenchymal transition. Conclusion: By considering these results as the fundamental information for MIS, our system could be applied to induce senescence in treatment-resistant cancers such as metastatic cancer or cancer stem cells.
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Affiliation(s)
- Sharmy Saimon Mano
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Koichiro Uto
- International Center for Young Scientist (ICYS), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Mitsuhiro Ebara
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
- Graduate School of Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo 125-8585, Japan
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45
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Molecular identification of an insulin growth factor binding protein (IGFBP) and its potential role in an insulin-like peptide system of the pearl oyster, Pinctada fucata. Comp Biochem Physiol B Biochem Mol Biol 2017; 214:27-35. [PMID: 28939196 DOI: 10.1016/j.cbpb.2017.09.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 09/13/2017] [Accepted: 09/15/2017] [Indexed: 12/22/2022]
Abstract
Insulin-like growth factors (IGFs) play critical roles in regulating metabolism, growth, and reproduction in invertebrates. IGF binding proteins (IGFBPs) serve as major regulators of IGF activity and regulate endocrine system. In the present study, the full-length cDNA of an igfbp was identified from the pearl oyster, Pinctada fucata, using expressed sequence tag (EST) sequence. The 1124bp Pfigfbp cDNA contains a 465bp open reading frame (ORF) encoding a putative protein of 154 amino acids, a 5'-untranslated region (UTR) of 238bp, and a 3'-UTR of 394bp (not including polyA+). Multiple sequence alignment of the deduced IB domain sequences revealed that twelve conserved Cys and ILP binding site in PfIGFBP were well aligned with human IGFBPs1-7, Mizuhopecten yessoensis IGFBP5 and Eriocheir sinensis IGFBP7. Gene expression analysis indicated that Pfigfbp mRNA was expressed in all the tissues and developmental stages examined, with a higher level in the foot than in other tissues and a higher level in the polar body stage and 32-cell stage than in the other stages. Pfigfbp and PfILP (insulin-like peptide) mRNA levels significantly increased in the digestive gland after feeding, while levels were dramatically reduced during a week of food deprivation and increased upon refeeding. In vitro experiments indicated that Pfigfbp mRNA expression in mantle cells was affected by insulin/IGFs (IGF-I, IGF-II). Our data suggests that Pfigfbp may be involved in endocrine signaling in P. fucata via the regulation of insulin-like peptide signaling.
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46
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Zhang N, Valentine JM, Zhou Y, Li ME, Zhang Y, Bhattacharya A, Walsh ME, Fischer KE, Austad SN, Osmulski P, Gaczynska M, Shoelson SE, Van Remmen H, Chen HI, Chen Y, Liang H, Musi N. Sustained NFκB inhibition improves insulin sensitivity but is detrimental to muscle health. Aging Cell 2017; 16:847-858. [PMID: 28556540 PMCID: PMC5506420 DOI: 10.1111/acel.12613] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/16/2017] [Indexed: 01/06/2023] Open
Abstract
Older adults universally suffer from sarcopenia and approximately 60-70% are diabetic or prediabetic. Nonetheless, the mechanisms underlying these aging-related metabolic disorders are unknown. NFκB has been implicated in the pathogenesis of several aging-related pathologies including sarcopenia and type 2 diabetes and has been proposed as a target against them. NFκB also is thought to mediate muscle wasting seen with disuse, denervation, and some systemic diseases (e.g., cancer, sepsis). We tested the hypothesis that lifelong inhibition of the classical NFκB pathway would protect against aging-related sarcopenia and insulin resistance. Aged mice with muscle-specific overexpression of a super-repressor IκBα mutant (MISR) were protected from insulin resistance. However, MISR mice were not protected from sarcopenia; to the contrary, these mice had decreases in muscle mass and strength compared to wild-type mice. In MISR mice, NFκB suppression also led to an increase in proteasome activity and alterations in several genes and pathways involved in muscle growth and atrophy (e.g., myostatin). We conclude that the mechanism behind aging-induced sarcopenia is NFκB independent and differs from muscle wasting due to pathologic conditions. Our findings also indicate that, while suppressing NFκB improves insulin sensitivity in aged mice, this transcription factor is important for normal muscle mass maintenance and its sustained inhibition is detrimental to muscle function.
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Affiliation(s)
- Ning Zhang
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Joseph M. Valentine
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - You Zhou
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Mengyao E. Li
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
- Joslin Diabetes Center; 1 Joslin Place Boston MA 02215 USA
| | - Yiqiang Zhang
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Arunabh Bhattacharya
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Michael E. Walsh
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Katherine E. Fischer
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Steven N. Austad
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Pawel Osmulski
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Maria Gaczynska
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | | | - Holly Van Remmen
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Hung I. Chen
- Greehey Children's Cancer Research Institute; 8403 Floyd Curl Dr San Antonio TX 78229 USA
- Department of Epidemiology and Biostatistics; University of Texas Health Science Center at San Antonio; 7703 Floyd Curl Dr San Antonio TX 78229 USA
| | - Yidong Chen
- Greehey Children's Cancer Research Institute; 8403 Floyd Curl Dr San Antonio TX 78229 USA
- Department of Epidemiology and Biostatistics; University of Texas Health Science Center at San Antonio; 7703 Floyd Curl Dr San Antonio TX 78229 USA
| | - Hanyu Liang
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
| | - Nicolas Musi
- Barshop Institute for Longevity and Aging Studies; University of Texas Health Science Center at San Antonio; 15355 Lambda Drive San Antonio TX 78245 USA
- San Antonio Geriatric Research, Education and Clinical Center; South Texas Veterans Health Care System; 7400 Merton Minter San Antonio TX 78229 USA
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Hennebry A, Oldham J, Shavlakadze T, Grounds MD, Sheard P, Fiorotto ML, Falconer S, Smith HK, Berry C, Jeanplong F, Bracegirdle J, Matthews K, Nicholas G, Senna-Salerno M, Watson T, McMahon CD. IGF1 stimulates greater muscle hypertrophy in the absence of myostatin in male mice. J Endocrinol 2017; 234:187-200. [PMID: 28533420 DOI: 10.1530/joe-17-0032] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Accepted: 05/22/2017] [Indexed: 01/02/2023]
Abstract
Insulin-like growth factors (IGFs) and myostatin have opposing roles in regulating the growth and size of skeletal muscle, with IGF1 stimulating, and myostatin inhibiting, growth. However, it remains unclear whether these proteins have mutually dependent, or independent, roles. To clarify this issue, we crossed myostatin null (Mstn-/-) mice with mice overexpressing Igf1 in skeletal muscle (Igf1+) to generate six genotypes of male mice; wild type (Mstn+/+ ), Mstn+/-, Mstn-/-, Mstn+/+:Igf1+, Mstn+/-:Igf1+ and Mstn-/-:Igf1+ Overexpression of Igf1 increased the mass of mixed fibre type muscles (e.g. Quadriceps femoris) by 19% over Mstn+/+ , 33% over Mstn+/- and 49% over Mstn-/- (P < 0.001). By contrast, the mass of the gonadal fat pad was correspondingly reduced with the removal of Mstn and addition of Igf1 Myostatin regulated the number, while IGF1 regulated the size of myofibres, and the deletion of Mstn and Igf1+ independently increased the proportion of fast type IIB myosin heavy chain isoforms in T. anterior (up to 10% each, P < 0.001). The abundance of AKT and rpS6 was increased in muscles of Mstn-/-mice, while phosphorylation of AKTS473 was increased in Igf1+mice (Mstn+/+:Igf1+, Mstn+/-:Igf1+ and Mstn-/-:Igf1+). Our results demonstrate that a greater than additive effect is observed on the growth of skeletal muscle and in the reduction of body fat when myostatin is absent and IGF1 is in excess. Finally, we show that myostatin and IGF1 regulate skeletal muscle size, myofibre type and gonadal fat through distinct mechanisms that involve increasing the total abundance and phosphorylation status of AKT and rpS6.
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Affiliation(s)
| | | | - Tea Shavlakadze
- School of AnatomyPhysiology & Human Biology, The University of Western Australia, Crawley, Western Australia, Australia
| | - Miranda D Grounds
- School of AnatomyPhysiology & Human Biology, The University of Western Australia, Crawley, Western Australia, Australia
| | - Philip Sheard
- Department of PhysiologyUniversity of Otago, Dunedin, New Zealand
| | - Marta L Fiorotto
- USDA/ARS Children's Nutrition Research CenterBaylor College of Medicine, Houston, Texas, USA
| | | | - Heather K Smith
- Department of Exercise SciencesUniversity of Auckland, Auckland, New Zealand
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48
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The Wilms tumor protein WT1 stimulates transcription of the gene encoding insulin-like growth factor binding protein 5 (IGFBP5). Gene 2017; 619:21-29. [DOI: 10.1016/j.gene.2017.03.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 03/02/2017] [Accepted: 03/25/2017] [Indexed: 11/24/2022]
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Wu MM, Yang F, Qu Y, Mu DZ. [Effects of maternal folate deficiency on the methylation of insulin-like growth factor system in the offspring rats]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2017; 19:470-474. [PMID: 28407838 PMCID: PMC7389668 DOI: 10.7499/j.issn.1008-8830.2017.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Accepted: 03/02/2017] [Indexed: 06/07/2023]
Abstract
OBJECTIVE To study the effects of maternal folate deficiency on fetal growth and development and the methylation profiles of insulin-like growth factor system in the offspring rats. METHODS Twenty-two Sprague-Dawley female rats were randomly assigned to two groups: a folate deficient group (n=12) and a control group (n=10). They were fed with folate deficient and normal diet respectively. Dams were mated after 2 weeks of feeding. Eight female rats from each group were pregnant. On the 20th day of gestation, the fetuses were delivered by caesarean section. Thirty-two fetal rats from each group were randomly selected and the body length and weight were measured. Eight fetal rats from each group were randomly selected and ELISA was used to measure the level of folate content, IGF-1 and IGFBP-3 in the fetal brain and liver. Three fetal rats from each group were randomly selected and methylated DNA immunoprecipitation sequencing (MeDIP-Seq) was used to detect the methylation level of insulin-like growth factor system in the fetal brain and liver. ELISA was used to measure the level of IGF-1 and IGFBP-3 in the maternal serum from both groups. RESULTS The mean fetal length and weight were lower in the folate deficient group than in the control group (P<0.05). The levels of IGF-1 and IGFBP-3 in the maternal serum, as well as folate content and IGFBP-3 in the fetal brain and liver were significantly lower in the folate deficient group than in the control group (P<0.05). The methylation levels of IGF-1R, IGF-2R, IGFBP-2, IGFBP-5, IGFBP-6 and IGFBP-7 in the fetal brain were higher in the folate deficient group than in the control group (P<0.05). The methylation levels of IGF-1R, IGF-2R, IGFBP-3 and IGFBP-5 in the fetal liver were higher in the folate deficient group than in the control group. The methylation of IGF-2 gene showed a significant reduction in the folate deficient group (P<0.05). CONCLUSIONS Maternal folate deficiency may cause retardation of growth and development of the offspring, which is possibly associated with the changes of methylation profiles of insulin-like growth factors.
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Affiliation(s)
- Meng-Meng Wu
- Department of Pediatrics, West China Second University Hospital, Sichuan University/Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu 610041, China.
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50
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Witt R, Weigand A, Boos AM, Cai A, Dippold D, Boccaccini AR, Schubert DW, Hardt M, Lange C, Arkudas A, Horch RE, Beier JP. Mesenchymal stem cells and myoblast differentiation under HGF and IGF-1 stimulation for 3D skeletal muscle tissue engineering. BMC Cell Biol 2017; 18:15. [PMID: 28245809 PMCID: PMC5331627 DOI: 10.1186/s12860-017-0131-2] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 02/22/2017] [Indexed: 02/07/2023] Open
Abstract
Background Volumetric muscle loss caused by trauma or after tumour surgery exceeds the natural regeneration capacity of skeletal muscle. Hence, the future goal of tissue engineering (TE) is the replacement and repair of lost muscle tissue by newly generating skeletal muscle combining different cell sources, such as myoblasts and mesenchymal stem cells (MSCs), within a three-dimensional matrix. Latest research showed that seeding skeletal muscle cells on aligned constructs enhance the formation of myotubes as well as cell alignment and may provide a further step towards the clinical application of engineered skeletal muscle. In this study the myogenic differentiation potential of MSCs upon co-cultivation with myoblasts and under stimulation with hepatocyte growth factor (HGF) and insulin-like growth factor-1 (IGF-1) was evaluated. We further analysed the behaviour of MSC-myoblast co-cultures in different 3D matrices. Results Primary rat myoblasts and rat MSCs were mono- and co-cultivated for 2, 7 or 14 days. The effect of different concentrations of HGF and IGF-1 alone, as well as in combination, on myogenic differentiation was analysed using microscopy, multicolour flow cytometry and real-time PCR. Furthermore, the influence of different three-dimensional culture models, such as fibrin, fibrin-collagen-I gels and parallel aligned electrospun poly-ε-caprolacton collagen-I nanofibers, on myogenic differentiation was analysed. MSCs could be successfully differentiated into the myogenic lineage both in mono- and in co-cultures independent of HGF and IGF-1 stimulation by expressing desmin, myocyte enhancer factor 2, myosin heavy chain 2 and alpha-sarcomeric actinin. An increased expression of different myogenic key markers could be observed under HGF and IGF-1 stimulation. Even though, stimulation with HGF/IGF-1 does not seem essential for sufficient myogenic differentiation. Three-dimensional cultivation in fibrin-collagen-I gels induced higher levels of myogenic differentiation compared with two-dimensional experiments. Cultivation on poly-ε-caprolacton-collagen-I nanofibers induced parallel alignment of cells and positive expression of desmin. Conclusions In this study, we were able to myogenically differentiate MSC upon mono- and co-cultivation with myoblasts. The addition of HGF/IGF-1 might not be essential for achieving successful myogenic differentiation. Furthermore, with the development of a biocompatible nanofiber scaffold we established the basis for further experiments aiming at the generation of functional muscle tissue. Electronic supplementary material The online version of this article (doi:10.1186/s12860-017-0131-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- R Witt
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany
| | - A Weigand
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany
| | - A M Boos
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany
| | - A Cai
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany
| | - D Dippold
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nürnberg (FAU), Cauerstraße 6, 91058, Erlangen, Germany.,Institute of Polymer Materials, Department of Materials Science and Engineering, University of Erlangen- Nürnberg (FAU), Martensstrasse 7, 91058, Erlangen, Germany
| | - A R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nürnberg (FAU), Cauerstraße 6, 91058, Erlangen, Germany
| | - D W Schubert
- Institute of Polymer Materials, Department of Materials Science and Engineering, University of Erlangen- Nürnberg (FAU), Martensstrasse 7, 91058, Erlangen, Germany
| | - M Hardt
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany
| | - C Lange
- Interdisciplinary Clinic for Stem Cell Transplantation, University Cancer Center Hamburg (UCCH), 20246, Hamburg, Germany
| | - A Arkudas
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany
| | - R E Horch
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany
| | - J P Beier
- Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Krankenhausstraße 12, 91054, Erlangen, Germany.
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