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The Effects of DNA Methylation on Medulloblastoma Cell Survivability and Development

Received: 11 November 2020    Accepted: 2 December 2020    Published: 11 December 2020
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Abstract

Establish the role epigenetic methylation plays in the segregation of Medulloblastoma subgroups, through pathway analysis in the literature and cancer genome Atlas publicly available data. The goal is to develop an in-vitro assay to study therapeutic responses for subgroups 3 and 4. Functional analysis assays will be used to determine a mechanism for chemoresistance in specific subgroups. In the current study, we assessed Medulloblastoma group 3 (D341) and Group 4 (D283) cell lines using the DNA isolation kit and angiogenesis kits which allows for amplification via PCR and visualize tube formation for tumor nutrients. Twist 1 fended were measured and recorded with the methylation Gold. Group 3 MB cell lines treated with chemotherapy reagents demonstrate altered methylation profiles, angiogenic tube formation increase, a decrease in apoptosis, and underwent phenotypic changes to overcome resistance. Gel electrophoresis results indicated consistent Twist-1 expression in the DAOY+cisplatin cell line in comparison to the control. Cells treated with chemotherapeutic agents evade the mechanisms of apoptosis resulting in angiogenesis. We identified a possible correlation between cisplatin treatment, alteration of methylation patterns, and an increase of Twist-1 gene expression. Twist-1 previously identified to be involved in angiogenesis and cisplatin resistance (Roberts et al. 2016), this supports our hypothesis that alterations in methylation patterns result in an increase in overall chemoresistance.

Published in International Journal of Biomedical Science and Engineering (Volume 8, Issue 4)
DOI 10.11648/j.ijbse.20200804.12
Page(s) 51-57
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), 2024. Published by Science Publishing Group

Keywords

Methylation, Angiogenesis, Chemo Resistant, Apoptosis

References
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[3] “Daoy (ATCC® HTB-186™).” ATCC: The Global Bioresource Center, ATCC, www.atcc.org/products/all/HTB-186.aspx#generalinformation.
[4] “D341 Med (ATCC® HTB-187™).” ATCC: The Global Bioresource Center, ATCC, www.atcc.org/products/all/HTB-187.aspx#generalinformation.
[5] Edward C. Schwalbe, Daniel Williamson, Janet C. Lindsey, Dolores Hamilton, Sarra L. Ryan, Hisham Megahed, Miklos Garami, Peter Hauser, Bozena Dembowska-Baginska, Danuta Perek, Paul A. Northcott, Michael D. Taylor, Roger E. Taylor, David W. Ellison, Simon Bailey, and Steven C. Clifford (2013). “DNA methylation profiling of medulloblastoma allows robust sub-classification and improved outcome prediction using formalin-fixed biopsies.” Acta neuropathologica; 125 (3): 359-371. doi: 10.1007/s00401-012-1077-2.
[6] Frič, R., Due-Tønnessen, B. J., Lundar, T. et al. Long-term outcome of posterior fossa medulloblastoma in patients surviving more than 20 years following primary treatment in childhood. Sci Rep 10, 9371 (2020). https://doi.org/10.1038/s41598-020-66328-8.
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[14] Laederich, Melanie. “The Top 10 Western Blotting Mistakes (and Solutions!).” Bitesize Bio, Science Squared, 2017.
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Cite This Article
  • APA Style

    Christina Rubino, Anika Chowdhury, Cassandra Greco, Benjamin Honigsfeld, Barbara Pepe, et al. (2020). The Effects of DNA Methylation on Medulloblastoma Cell Survivability and Development. International Journal of Biomedical Science and Engineering, 8(4), 51-57. https://doi.org/10.11648/j.ijbse.20200804.12

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    ACS Style

    Christina Rubino; Anika Chowdhury; Cassandra Greco; Benjamin Honigsfeld; Barbara Pepe, et al. The Effects of DNA Methylation on Medulloblastoma Cell Survivability and Development. Int. J. Biomed. Sci. Eng. 2020, 8(4), 51-57. doi: 10.11648/j.ijbse.20200804.12

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    AMA Style

    Christina Rubino, Anika Chowdhury, Cassandra Greco, Benjamin Honigsfeld, Barbara Pepe, et al. The Effects of DNA Methylation on Medulloblastoma Cell Survivability and Development. Int J Biomed Sci Eng. 2020;8(4):51-57. doi: 10.11648/j.ijbse.20200804.12

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  • @article{10.11648/j.ijbse.20200804.12,
      author = {Christina Rubino and Anika Chowdhury and Cassandra Greco and Benjamin Honigsfeld and Barbara Pepe and Noelle Cutter},
      title = {The Effects of DNA Methylation on Medulloblastoma Cell Survivability and Development},
      journal = {International Journal of Biomedical Science and Engineering},
      volume = {8},
      number = {4},
      pages = {51-57},
      doi = {10.11648/j.ijbse.20200804.12},
      url = {https://doi.org/10.11648/j.ijbse.20200804.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijbse.20200804.12},
      abstract = {Establish the role epigenetic methylation plays in the segregation of Medulloblastoma subgroups, through pathway analysis in the literature and cancer genome Atlas publicly available data. The goal is to develop an in-vitro assay to study therapeutic responses for subgroups 3 and 4. Functional analysis assays will be used to determine a mechanism for chemoresistance in specific subgroups. In the current study, we assessed Medulloblastoma group 3 (D341) and Group 4 (D283) cell lines using the DNA isolation kit and angiogenesis kits which allows for amplification via PCR and visualize tube formation for tumor nutrients. Twist 1 fended were measured and recorded with the methylation Gold. Group 3 MB cell lines treated with chemotherapy reagents demonstrate altered methylation profiles, angiogenic tube formation increase, a decrease in apoptosis, and underwent phenotypic changes to overcome resistance. Gel electrophoresis results indicated consistent Twist-1 expression in the DAOY+cisplatin cell line in comparison to the control. Cells treated with chemotherapeutic agents evade the mechanisms of apoptosis resulting in angiogenesis. We identified a possible correlation between cisplatin treatment, alteration of methylation patterns, and an increase of Twist-1 gene expression. Twist-1 previously identified to be involved in angiogenesis and cisplatin resistance (Roberts et al. 2016), this supports our hypothesis that alterations in methylation patterns result in an increase in overall chemoresistance.},
     year = {2020}
    }
    

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    AU  - Christina Rubino
    AU  - Anika Chowdhury
    AU  - Cassandra Greco
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    JF  - International Journal of Biomedical Science and Engineering
    JO  - International Journal of Biomedical Science and Engineering
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    AB  - Establish the role epigenetic methylation plays in the segregation of Medulloblastoma subgroups, through pathway analysis in the literature and cancer genome Atlas publicly available data. The goal is to develop an in-vitro assay to study therapeutic responses for subgroups 3 and 4. Functional analysis assays will be used to determine a mechanism for chemoresistance in specific subgroups. In the current study, we assessed Medulloblastoma group 3 (D341) and Group 4 (D283) cell lines using the DNA isolation kit and angiogenesis kits which allows for amplification via PCR and visualize tube formation for tumor nutrients. Twist 1 fended were measured and recorded with the methylation Gold. Group 3 MB cell lines treated with chemotherapy reagents demonstrate altered methylation profiles, angiogenic tube formation increase, a decrease in apoptosis, and underwent phenotypic changes to overcome resistance. Gel electrophoresis results indicated consistent Twist-1 expression in the DAOY+cisplatin cell line in comparison to the control. Cells treated with chemotherapeutic agents evade the mechanisms of apoptosis resulting in angiogenesis. We identified a possible correlation between cisplatin treatment, alteration of methylation patterns, and an increase of Twist-1 gene expression. Twist-1 previously identified to be involved in angiogenesis and cisplatin resistance (Roberts et al. 2016), this supports our hypothesis that alterations in methylation patterns result in an increase in overall chemoresistance.
    VL  - 8
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Author Information
  • Department of Biological Sciences, Molloy College, Rockville Centre, New York, United States

  • Department of Biological Sciences, Molloy College, Rockville Centre, New York, United States

  • Department of Biological Sciences, Molloy College, Rockville Centre, New York, United States

  • Department of Biological Sciences, Molloy College, Rockville Centre, New York, United States

  • Department of Biological Sciences, Molloy College, Rockville Centre, New York, United States

  • Department of Biological Sciences, Molloy College, Rockville Centre, New York, United States

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