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ORIGINAL ARTICLE
Year : 2016  |  Volume : 36  |  Issue : 6  |  Page : 224-228

Cell division cycle-associated 7-like gene: A novel biomarker for adverse survival in human high-grade gliomas


1 Department of Neurology, Tri-Service General Hospital; Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
2 Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
3 Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
4 Graduate Institute of Medical Sciences; Department of Psychiatry, Beitou Branch, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
5 School of Nursing, National Defense Medical Center, Taipei, Taiwan, Republic of China
6 Nutritional Sciences and Toxicology Department and Department of Bioengineering, University of California, Berkeley, California, USA
7 Department of Dentistry, Division of Orthodontics and Dentofacial Orthopedics and Pedodontics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
8 Division of Rheumatology/Immunology and Allergy, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
9 Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
10 Graduate Institute of Medical Sciences; Department of Neurological Surgery, Tri-Service General Hospital; Department of Biochemistry; Penghu Branch, Tri-Service General Hospital, National Defense Medical Center, Taiwan, Republic of China

Correspondence Address:
Dueng-Yuan Hueng
Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, No. 325, Section 2, Taipei 11490, Taiwan
Republic of China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1011-4564.196353

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Background: High-grade primary gliomas are aggressively growing and have an unfavorable prognosis. The utility of prognostic biomarkers of outcome in glioma patients is important for medical practice. Cell division cycle-associated 7-like (CDCA7L) protein modifies cancer progression and metastasis. Nevertheless, its character in defining the clinical prognosis of human gliomas has not been illuminated. Subjects and Methods: The hypothesis of this study was that CDCA7L is upregulated in human gliomas. We studied two de-linked data from Gene Expression Omnibus (GEO) profile. The first dataset (GDS1816/225081_s_at/CDCA7L) in primary high-grade glioma included age, gender, and survival time. Another dataset (GDS1962/225081_s_at/CDCA7L) was also encompassed to estimate CDCA7L gene expression in each pathological grading. Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) was used to survey the protein-protein interaction (PPI) network of CDCA7L-regulated oncogenesis. Results: Statistical analysis of the GEO profile revealed that the World Health Organization (WHO) Grade IV (n = 81) gliomas had higher CDCA7L mRNA expression level than in Grade II (n = 7, P = 2.15 × 10 −14) gliomas and nontumor controls (n = 23, P = 2.87 × 10 − 18). Kaplan-Meier analysis reported that patients with high CDCA7L mRNA levels (n = 49) had adverse survival than those with low CDCA7L expression (n = 28). The PPI analysis of CDCA7L-regulated oncogenesis showed CDCA7L as a potential hub protein. Conclusions: The expression of CDCA7L has a positive correlation with the WHO pathological grading and shorter survival. This finding suggests that CDCA7L may be a potential biomarker of prognosis in human gliomas.


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