Cited by 53MicroRNA in disease regulationGlioma Diagnosis and TreatmentCancer-related molecular mechanisms research

MicroRNA-21 expression is associated with overall survival in patients with glioma

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Wu, Lin, Li, Gang, Feng, Dayun, Qin, Huaizhou, Gong, Li, Zhang, Jian, Zhang, Zhiguo·2013·Diagnostic Pathology

Abstract

BACKGROUND: MicroRNA-21 has been proved to be associated with glioma proliferation and invasion; thus, we sought to clarify the clinical value of miR-21 expression in glioma tissues with WHO grade I to IV. METHODS: One hundred and fifty-two pairs of human gliomas and non-neoplastic brain tissues were evaluated using real-time PCR. The association of miR-21 expression with clinicopathological factors or the prognosis of glioma patients was also analyzed. In this study, survival analysis was performed using the Kaplan-Meier method and Cox's proportional hazards model. RESULTS: MiR-21 was more greatly expressed in glioma tissues compared to the corresponding non-neoplastic brain tissues (P < 0.001). This observed high miR-21 expression was significantly associated with high pathological grades and the Karnofsky performance score of glioma patients. In addition, overall patient survival for those with low miR-21 expression was significantly longer than those patients with high miR-21 expression (P < 0.001). Moreover, multivariate Cox regression analysis indicated that miR-21 might be an independent prognostic marker for glioma patient survival. CONCLUSIONS: Our data show that miR-21 may be a candidate independent marker for gliomas, especially those with high pathological grades, and this could also be a potential therapeutic target for molecular glioma therapy. VIRTUAL SLIDE: The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1445749171109834.

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  • miR-21 is significantly upregulated in glioma tissues and strongly correlates with tumor characteristics and invasiveness.

    “miR-21, an oncomiR in glioma, showed significant upregulation in glioma tissues, strongly correlating with tumor characteristics and invasiveness [26].”

    From miR-21 as a diagnostic and prognostic biomarker in glioma: tissue and serum expression analysis in a Pakistani cohort (2026) · cites this paper as [26]

    The Results section reports significantly higher miR-21 expression in glioma tissues than in non-neoplastic brain tissues, and the Discussion reports a significant correlation with aggressive clinicopathological features. The Abstract Background says miR-21 is associated with glioma invasion, but the paper does not establish the claimed strong correlation between expression and invasiveness specifically. (LLM, conf=0.84)

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  • Serum miR-21 expression levels were significantly higher in pre-operative glioma samples than in postoperative serum of grade 2 (p=0.0079), grade 3 (p=0.0079) and grade 4 (p=0.0096).

    “Moreover, the serum expression levels were also significantly higher in pre-operative glioma samples than in postoperative serum of grade 2 (p=0.0079 ), grade 3 (p=0.0079) and grade 4 (p=0.0096)which is consistent with previous findings [26,30] .”

    From miR-21 as a diagnostic and prognostic biomarker in glioma: tissue and serum expression analysis in a Pakistani cohort (2026) · cites this paper as [26]

    The Results section ('Increased expression of miR-21 in glioma tissues') compares resected glioma tissue with adjacent non-neoplastic brain tissue, not pre-operative and postoperative serum. The Methods section ('Patients and tissue samples') likewise describes tissue specimens; searches for serum, pre/postoperative comparisons, and the stated p-values found no supporting passage in our copy. (LLM, conf=0.78)

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Authors
Wu, L., Li, G., Feng, D., Qin, H., Gong, L., Zhang, J., & Zhang, Z.
Affiliations
  • State Key Laboratory of Cancer Biology (CN)
  • Tang Du Hospital (CN)
  • Wuhan General Hospital of Guangzhou (CN)
Corresponding author
Zhang, Zhiguo
Venue
Diagnostic Pathology
Published
2013-12
Volume
8
Issue
1
Pages
200-200
ISSN
1746-1596 (ISSN-L)
OpenAlex
W1968325334
Cited by
53
References
25
Citations by year
2026: 3 · 2025: 4 · 2024: 4 · 2023: 3 · 2022: 3 · 2021: 3 · 2020: 5 · 2019: 3 · 2018: 2 · 2017: 4 · 2016: 5 · 2015: 5 · 2014: 9
FWCI
2.23
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Diagnostic Pathology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
World Health Organization
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
Keywords
miR-21, glioma, overall survival, prognostic factors, tumor grade, Karnofsky performance status, therapeutic target
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Brain Neoplasms, Child, Child, Preschool, Female, Glioma, Humans, Male, Middle Aged, Risk Factors, Time Factors, Biomarkers, Tumor, Up-Regulation, Multivariate Analysis, Proportional Hazards Models, Karnofsky Performance Status, MicroRNAs, Kaplan-Meier Estimate, Young Adult, Neoplasm Grading, Real-Time Polymerase Chain Reaction

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