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July 15, 2014PLoS ONEOpen Access

The Long Noncoding RNA Expression Profile of Hepatocellular Carcinoma Identified by Microarray Analysis

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Key result

Microarray analysis identified 214 lncRNAs and 338 mRNAs abnormally expressed in hepatocellular carcinoma tissues compared to adjacent non-tumor tissues (Fold Change ≥2.0, P<0.05).

Why the study?

What is the long noncoding RNA expression profile in hepatocellular carcinoma compared to adjacent non-tumor tissue?

Population

22 pairs of human hepatocellular carcinoma and adjacent non-tumor tissues

Comparison

lncRNA and mRNA expression profiling via… vs Adjacent non-tumor (NT) tissues

Design

Preclinical

Authors

JZJuanjuan ZhuDonghua UniversitySLShanshan LiuBeijing Institute of TechnologyFYFuqiang YeHong Kong Polytechnic University

Discussion

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Implication

May nominate lncRNA candidates for HCC biomarker research; leaves open validation and mechanistic roles in prospective studies.

Study Design

Type

Observational (n=19)

Multicenter

No

Structured PICO

What is the long noncoding RNA expression profile in hepatocellular carcinoma compared to adjacent non-tumor tissue?

P
Population
19 patients with hepatocellular carcinoma who provided paired tumor and adjacent non-tumor tissue samples for lncRNA expression profiling.
E
Exposure
lncRNA and mRNA expression profiling via microarray and qRT-PCR
C
Comparator
Adjacent non-tumor (NT) tissues
O
Outcome
Differentially expressed lncRNAs and mRNAssurrogate

Main Result

Effect estimate: Fold Change ≥2.0

p-value: p=<0.05

The study identifies a specific lncRNA expression profile associated with hepatocellular carcinoma, providing potential new biomarkers or therapeutic targets for HCC pathogenesis.

Limitations

  • Small sample size for the initial microarray analysis (3 pairs of tissues).
  • The precise molecular mechanisms of the identified lncRNAs in HCC pathogenesis have yet to be defined.

Cite This Study

Zhu et al. (2014) conducted an observational in Hepatocellular Carcinoma (n=19). Hepatocellular carcinoma (tumor tissue) vs. Adjacent non-tumor tissue was evaluated on Differentially expressed lncRNAs and mRNAs (Fold Change ≥2.0, p=<0.05). Microarray analysis identified 214 lncRNAs and 338 mRNAs abnormally expressed in hepatocellular carcinoma tissues compared to adjacent non-tumor tissues (Fold Change ≥2.0, P<0.05).

synapsesocial.com/papers/6a963ceda8463d9029897825https://doi.org/10.1371/journal.pone.0101707
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