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MiR-142-3p Regulates Cardiovascular System during Zebrafish Development

Received: 2 November 2014     Accepted: 30 November 2014     Published: 18 December 2014
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Abstract

MicroRNA-142-3p (miR-142-3p) is considered to play key role in many cellular processes, such as proliferation, differentiation and apoptosis by inhibiting target gene expression. The transcriptional regulation of cardiovascular development requires precise spatiotemporal control of gene expression. We are beginning to understand the functions of miRNA-142-3p played during essential biological processes especially erythropoiesis. Here, we overview the recent findings on miRNA-142-3p regulation in erythropoiesis development and report the latest advances in understanding their function by unveiling their mRNA targets. Further analysis of miRNA-142-3p function during erythropoiesis development will allow us to determine the potential for novel miRNA-142-3p -based therapeutic strategies. Haematopoiesis is an active process by which peripheral blood families are developed. It is a process strongly regulated by many essential and unessential factors, including signalling molecules and transcriptional factors. However, the epigenetic regulation of haematopoiesis regulation via microRNAs (miRNAs) remains partially understood. Here, in this study we show that miRNA-142-3p participates in the haematopoiesis regulation and vascular development of the early stages of erythropoiesis during Zebra fish early developmental stages. Overexpression inhibited the primitive haematopoiesis, characterized by a significant reduced number and limitation of erythropoiesis cells and myeloid expansion significantly reduced expression of runx1, c-myb, mpo-1, Scl and pu.1, Gata1, Gata2 and significantly reduced o-dianisidine staining of haemoglobin. Systematically, miR-142-3p regulates haematopoiesis by repressing expression of meis1 involved in haematopoiesis. We performed knock-down analysis of the meis1 gene to check and demonstrate that whether meis1-EGFP is related with our miRNA. Co-injection-confirmation at 24 and 48 hpf pictures analyses showed that overexpression of miR-142-3p repressed expression of meis1. Bioinformatics analysis predicts a target binding sequence for miR-142-3p at the 3-UTR of meis1. Deletion of the miR-142-3p target sequence eliminated the repression of meis1 expression mediated by miR-142-3p. These findings create miR-142-3p as a novel miRNA that regulates haematopoiesis and cardiovascular development by repressing expression of meis1.

Published in Cell Biology (Volume 2, Issue 6)
DOI 10.11648/j.cb.20140206.11
Page(s) 49-59
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2014. Published by Science Publishing Group

Keywords

Mir-142-3p, Meis1, Hematopoiesis, Cardiovascular, Zebrafish

References
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    Ziyad Tariq Muhseen, Nibras Najm Abbood. (2014). MiR-142-3p Regulates Cardiovascular System during Zebrafish Development. Cell Biology, 2(6), 49-59. https://doi.org/10.11648/j.cb.20140206.11

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    ACS Style

    Ziyad Tariq Muhseen; Nibras Najm Abbood. MiR-142-3p Regulates Cardiovascular System during Zebrafish Development. Cell Biol. 2014, 2(6), 49-59. doi: 10.11648/j.cb.20140206.11

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    AMA Style

    Ziyad Tariq Muhseen, Nibras Najm Abbood. MiR-142-3p Regulates Cardiovascular System during Zebrafish Development. Cell Biol. 2014;2(6):49-59. doi: 10.11648/j.cb.20140206.11

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  • @article{10.11648/j.cb.20140206.11,
      author = {Ziyad Tariq Muhseen and Nibras Najm Abbood},
      title = {MiR-142-3p Regulates Cardiovascular System during Zebrafish Development},
      journal = {Cell Biology},
      volume = {2},
      number = {6},
      pages = {49-59},
      doi = {10.11648/j.cb.20140206.11},
      url = {https://doi.org/10.11648/j.cb.20140206.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.cb.20140206.11},
      abstract = {MicroRNA-142-3p (miR-142-3p) is considered to play key role in many cellular processes, such as proliferation, differentiation and apoptosis by inhibiting target gene expression. The transcriptional regulation of cardiovascular development requires precise spatiotemporal control of gene expression. We are beginning to understand the functions of miRNA-142-3p played during essential biological processes especially erythropoiesis. Here, we overview the recent findings on miRNA-142-3p regulation in erythropoiesis development and report the latest advances in understanding their function by unveiling their mRNA targets. Further analysis of miRNA-142-3p function during erythropoiesis development will allow us to determine the potential for novel miRNA-142-3p -based therapeutic strategies. Haematopoiesis is an active process by which peripheral blood families are developed. It is a process strongly regulated by many essential and unessential factors, including signalling molecules and transcriptional factors. However, the epigenetic regulation of haematopoiesis regulation via microRNAs (miRNAs) remains partially understood. Here, in this study we show that miRNA-142-3p participates in the haematopoiesis regulation and vascular development of the early stages of erythropoiesis during Zebra fish early developmental stages. Overexpression inhibited the primitive haematopoiesis, characterized by a significant reduced number and limitation of erythropoiesis cells and myeloid expansion significantly reduced expression of runx1, c-myb, mpo-1, Scl and pu.1, Gata1, Gata2 and significantly reduced o-dianisidine staining of haemoglobin. Systematically, miR-142-3p regulates haematopoiesis by repressing expression of meis1 involved in haematopoiesis. We performed knock-down analysis of the meis1 gene to check and demonstrate that whether meis1-EGFP is related with our miRNA. Co-injection-confirmation at 24 and 48 hpf pictures analyses showed that overexpression of miR-142-3p repressed expression of meis1. Bioinformatics analysis predicts a target binding sequence for miR-142-3p at the 3-UTR of meis1. Deletion of the miR-142-3p target sequence eliminated the repression of meis1 expression mediated by miR-142-3p. These findings create miR-142-3p as a novel miRNA that regulates haematopoiesis and cardiovascular development by repressing expression of meis1.},
     year = {2014}
    }
    

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  • TY  - JOUR
    T1  - MiR-142-3p Regulates Cardiovascular System during Zebrafish Development
    AU  - Ziyad Tariq Muhseen
    AU  - Nibras Najm Abbood
    Y1  - 2014/12/18
    PY  - 2014
    N1  - https://doi.org/10.11648/j.cb.20140206.11
    DO  - 10.11648/j.cb.20140206.11
    T2  - Cell Biology
    JF  - Cell Biology
    JO  - Cell Biology
    SP  - 49
    EP  - 59
    PB  - Science Publishing Group
    SN  - 2330-0183
    UR  - https://doi.org/10.11648/j.cb.20140206.11
    AB  - MicroRNA-142-3p (miR-142-3p) is considered to play key role in many cellular processes, such as proliferation, differentiation and apoptosis by inhibiting target gene expression. The transcriptional regulation of cardiovascular development requires precise spatiotemporal control of gene expression. We are beginning to understand the functions of miRNA-142-3p played during essential biological processes especially erythropoiesis. Here, we overview the recent findings on miRNA-142-3p regulation in erythropoiesis development and report the latest advances in understanding their function by unveiling their mRNA targets. Further analysis of miRNA-142-3p function during erythropoiesis development will allow us to determine the potential for novel miRNA-142-3p -based therapeutic strategies. Haematopoiesis is an active process by which peripheral blood families are developed. It is a process strongly regulated by many essential and unessential factors, including signalling molecules and transcriptional factors. However, the epigenetic regulation of haematopoiesis regulation via microRNAs (miRNAs) remains partially understood. Here, in this study we show that miRNA-142-3p participates in the haematopoiesis regulation and vascular development of the early stages of erythropoiesis during Zebra fish early developmental stages. Overexpression inhibited the primitive haematopoiesis, characterized by a significant reduced number and limitation of erythropoiesis cells and myeloid expansion significantly reduced expression of runx1, c-myb, mpo-1, Scl and pu.1, Gata1, Gata2 and significantly reduced o-dianisidine staining of haemoglobin. Systematically, miR-142-3p regulates haematopoiesis by repressing expression of meis1 involved in haematopoiesis. We performed knock-down analysis of the meis1 gene to check and demonstrate that whether meis1-EGFP is related with our miRNA. Co-injection-confirmation at 24 and 48 hpf pictures analyses showed that overexpression of miR-142-3p repressed expression of meis1. Bioinformatics analysis predicts a target binding sequence for miR-142-3p at the 3-UTR of meis1. Deletion of the miR-142-3p target sequence eliminated the repression of meis1 expression mediated by miR-142-3p. These findings create miR-142-3p as a novel miRNA that regulates haematopoiesis and cardiovascular development by repressing expression of meis1.
    VL  - 2
    IS  - 6
    ER  - 

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Author Information
  • Key Laboratory of Molecular Biophysics, Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei, China

  • Marine Sciences Centre, University of Basra, Basra, Iraq

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