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Article

LncRNA expression profiles and validation in keloid and normal skin tissue

  • Authors:
    • Xuebing Liang
    • Lin Ma
    • Xiao Long
    • Xiaojun Wang
  • View Affiliations / Copyright

    Affiliations: Division of Plastic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, P.R. China, Division of Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, P.R. China
  • Pages: 1829-1838
    |
    Published online on: September 22, 2015
       https://doi.org/10.3892/ijo.2015.3177
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Abstract

Keloid is a type of pathological skin scar. Pathogenesis of keloid is complex and is not fully understood. lncRNA can regulate gene expression on different levels. It also participates in cell cycle regulation and cell proliferation. The present study investigated the potential biological function of lncRNA in keloid. We identified differential expression of lncRNAs and mRNAs between 3 pairs of keloid and normal skin tissue by microarray. Differentially expressed lncRNAs were validated by quantitative reverse transcriptase-PCR (qRT-PCR). Gene ontology (GO) and pathway analysis presented the characteristics of associated protein-coding genes. Additionally, a co-expression network of lncRNA and mRNA was constructed to find potential underlying regulation targets. There were 1,731 lncRNAs constantly upregulated and 782 downregulated, 1,079 mRNAs upregulated and 3,282 downregulated in keloid respectively (fold change ≥2.0, p<0.05). We chose, respectively, 3 upregulated and 1 downregulated lncRNA for qRT-PCR and results were consistent with microarray. Moreover, 11 pathways were related with upregulated transcripts and 44 with downregulated in keloid. The co-expression network revealed that one lncRNA was connected with numerous mRNAs, and vice versa. Furthermore, bioinformation analysis suggested that lncRNA CACNA1G-AS1 may be crucial to keloid formation. In conclusion, groups of lncRNAs were aberrantly expressed in keloid compared with normal skin tissue, which indicated that differentially expressed lncRNAs may play a key role in keloid formation. The present study provides new insights into keloid pathology and potential targets for treatment of keloid.
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Copy and paste a formatted citation
Spandidos Publications style
Liang X, Ma L, Long X and Wang X: LncRNA expression profiles and validation in keloid and normal skin tissue. Int J Oncol 47: 1829-1838, 2015.
APA
Liang, X., Ma, L., Long, X., & Wang, X. (2015). LncRNA expression profiles and validation in keloid and normal skin tissue. International Journal of Oncology, 47, 1829-1838. https://doi.org/10.3892/ijo.2015.3177
MLA
Liang, X., Ma, L., Long, X., Wang, X."LncRNA expression profiles and validation in keloid and normal skin tissue". International Journal of Oncology 47.5 (2015): 1829-1838.
Chicago
Liang, X., Ma, L., Long, X., Wang, X."LncRNA expression profiles and validation in keloid and normal skin tissue". International Journal of Oncology 47, no. 5 (2015): 1829-1838. https://doi.org/10.3892/ijo.2015.3177
Copy and paste a formatted citation
x
Spandidos Publications style
Liang X, Ma L, Long X and Wang X: LncRNA expression profiles and validation in keloid and normal skin tissue. Int J Oncol 47: 1829-1838, 2015.
APA
Liang, X., Ma, L., Long, X., & Wang, X. (2015). LncRNA expression profiles and validation in keloid and normal skin tissue. International Journal of Oncology, 47, 1829-1838. https://doi.org/10.3892/ijo.2015.3177
MLA
Liang, X., Ma, L., Long, X., Wang, X."LncRNA expression profiles and validation in keloid and normal skin tissue". International Journal of Oncology 47.5 (2015): 1829-1838.
Chicago
Liang, X., Ma, L., Long, X., Wang, X."LncRNA expression profiles and validation in keloid and normal skin tissue". International Journal of Oncology 47, no. 5 (2015): 1829-1838. https://doi.org/10.3892/ijo.2015.3177
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