Yongjing Tian

Capital Medical University, Peping, Beijing, China

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Publications (2)1.52 Total impact

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    ABSTRACT: Melanoma is a highly aggressive skin cancer with increasing incidence worldwide. Long noncoding RNAs (lncRNAs), a group of nonprotein-coding transcripts longer than 200 nucleotides, are pervasively transcribed in the genome and are emerging as new players in tumorigenesis. The primary objective of this study was to investigate the role of six cancer-related lncRNAs in pairs of melanoma and adjacent normal tissues (ANTs). A total of 63 primary melanoma, paired ANTs, and metastatic lesions were collected in a Chinese population. Real-time PCR analysis was carried out to compare a series of cancer-related lncRNAs among primary melanoma tissues, ANTs, and metastatic lesions. In in-vitro studies, transwell migration assay was carried out to estimate the migration abilities of melanoma cells with different expression levels of urothelial carcinoma-associated 1 (UCA1) or metastasis-associated lung adenocarcinoma transcript 1 (Malat-1) lncRNAs. We found that UCA1 and Malat-1 lncRNAs were markedly more increased in melanomas than in paired ANTs (P<0.05). Melanomas at later stages (stages 3-4) showed higher expression of UCA1 lncRNA than those at early stages (stages 1-2) (P=0.455). In melanomas with lymph node metastasis, the metastatic lesions had a relatively higher expression of Malat-1 lncRNA than in paired primary tumors (P=0.414). Knockdown of UCA1 or Malat-1 lncRNA could attenuate the migrational ability of melanoma cells in in-vitro studies. Increased expression of UCA1 and Malat-1 lncRNAs might have a correlation with melanoma metastasis.
    Melanoma research. 06/2014;
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    ABSTRACT: To compare the clinical efficacy and safety of combining flumetasone ointment with 308-nm excimer laser therapy vs. 308-nm excimer laser monotherapy for the treatment of psoriasis vulgaris. Forty patients with psoriasis vulgaris were recruited; 20 were treated with flumetasone ointment plus 308-nm excimer laser therapy, and the other 20 received only excimer laser monotherapy. The flumetasone ointment was applied topically twice a day, and laser treatments were scheduled twice weekly for a total of 10 treatments. Clinical efficacy was evaluated in a blinded manner by two independent physicians using photographs taken before and after treatment. Of the 40 patients who received and completed the entire course of therapy, the psoriasis area and severity index score was improved by 82.51 ± 11.24% and 72.01 ± 20.94% in the combination group and laser group, respectively (P > 0.05), and the average cumulative dose was 5.06 ± 2.20 j/cm(2) in the combination group and 7.75 ± 2.25 j/cm(2) in the laser-only group, respectively (P < 0.05). The clinical data suggest that combination treatment using flumetasone ointment and a 308-nm excimer laser is superior to laser monotherapy for treatment of psoriasis vulgaris. The combination therapy can increase effectiveness and decrease the total laser dose, thus potentially reducing side effects.
    Photodermatology Photoimmunology and Photomedicine 06/2012; 28(3):133-6. · 1.52 Impact Factor