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ONCOLOGY / BASIC RESEARCH
CALCOCO2 silencing represents a potential molecular therapeutic target for glioma
1
Department of Orthopaedics, China-Japan Union Hospital of Jilin University, Changchun, China
2
Department of Spine Surgery, The First Hospital of Jilin University, Changchun, China
3
Paediatric Research Institute, Department of Paediatrics, University of Louisville School of Medicine, Louisville, KY, USA
Submission date: 2019-12-11
Final revision date: 2020-04-03
Acceptance date: 2020-04-09
Online publication date: 2020-06-15
Publication date: 2026-01-16
Corresponding author
Qingsan Zhu
Department of Orthopaedics China-Japan Union Hospital of Jilin University Changchun, 130033, China Phone: +86 431 8499 5999
Department of Orthopaedics China-Japan Union Hospital of Jilin University Changchun, 130033, China Phone: +86 431 8499 5999
Yuanyi Wang
Department of Spine Surgery The First Hospital of Jilin University Changchun 130021, China Phone: +86 431 8878 2222
Department of Spine Surgery The First Hospital of Jilin University Changchun 130021, China Phone: +86 431 8878 2222
Arch Med Sci 2025;21(6):2559-2571
KEYWORDS
TOPICS
ABSTRACT
Introduction:
Glioma is the most common primary intracranial tumour that is highly resistant to conventional therapeutic approaches including surgical resection, radiation therapy, and chemotherapy. As a promising alternative treatment, gene therapy has achieved variable degrees in both pre-clinical models and clinical trials.
Material and methods:
In our present research, the role of calcium binding and coiled-coil domain 2 (CALCOCO2) in the pathogenesis and progression of glioma was investigated in human glioma U87 and U251 cell lines. In both cell lines, CALCOCO2 is highly expressed. Targeted by lentivirus vectors, the CALCOCO2 gene was successfully silenced in U87 and U251 cell lines. Both cell counting and MTT assay showed the inhibition of cell growth and cell proliferation in CALCOCO2-silenced glioma cell lines.
Results:
Flow cytometry (FCM) and caspase3/7 measurements indicated that the silencing of CALCOCO2 gene could also promote cell apoptosis in both cell lines. The underlying mechanism was further explored by gene microarray and western blotting. The CALCOCO2 gene is strongly related to cancer by affecting the expression of hundreds of genes. Among which, the silencing of CALCOCO2 significantly upregulated the pro-apoptosis genes FAS and CASP1 and downregulated the autophagy-related gene BECN1. These data suggest that by regulating FAS, CASP1, and BECN1, the silencing of CALCOCO2 suppresses the growth and proliferation of U87 and U251 glioma cell lines.
Conclusions:
The CALCOCO2 could be a potential target for glioma genetic therapy.
Glioma is the most common primary intracranial tumour that is highly resistant to conventional therapeutic approaches including surgical resection, radiation therapy, and chemotherapy. As a promising alternative treatment, gene therapy has achieved variable degrees in both pre-clinical models and clinical trials.
Material and methods:
In our present research, the role of calcium binding and coiled-coil domain 2 (CALCOCO2) in the pathogenesis and progression of glioma was investigated in human glioma U87 and U251 cell lines. In both cell lines, CALCOCO2 is highly expressed. Targeted by lentivirus vectors, the CALCOCO2 gene was successfully silenced in U87 and U251 cell lines. Both cell counting and MTT assay showed the inhibition of cell growth and cell proliferation in CALCOCO2-silenced glioma cell lines.
Results:
Flow cytometry (FCM) and caspase3/7 measurements indicated that the silencing of CALCOCO2 gene could also promote cell apoptosis in both cell lines. The underlying mechanism was further explored by gene microarray and western blotting. The CALCOCO2 gene is strongly related to cancer by affecting the expression of hundreds of genes. Among which, the silencing of CALCOCO2 significantly upregulated the pro-apoptosis genes FAS and CASP1 and downregulated the autophagy-related gene BECN1. These data suggest that by regulating FAS, CASP1, and BECN1, the silencing of CALCOCO2 suppresses the growth and proliferation of U87 and U251 glioma cell lines.
Conclusions:
The CALCOCO2 could be a potential target for glioma genetic therapy.
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| eISSN: | 1896-9151 |
| ISSN: | 1734-1922 |
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