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Role of autophagy in inhibiting the proliferation of A549 cells by type III interferon

机译:自噬作用在抑制III型干扰素抑制A549细胞增殖的作用

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摘要

Abstract Interferons (IFNs) have anti‐viral and anti‐tumour effects. Type III interferon, as a member of the recently discovered interferon family, has been proved to inhibit tumour proliferation and promote the apoptosis of various tumour cells. However, whether type III IFN could inhibit the proliferation of lung cancer was not clear. In this study, we found that interferon λ (IFN λ) could inhibit the proliferation of A549 cells and induce autophagy and apoptosis of A549 cells. IFN λ could promote the expression of autophagy gene Beclin1 and interfere the expression of autophagy gene Beclin1 with small interfering RNA, thus inhibiting the effect of type III interferon on anti‐proliferation and promoting apoptosis of lung cancer cell. These results suggested that IFN λ could inhibit the proliferation of A549 cells by activating autophagy pathway, and IFN λ might be one of the potential therapeutic drugs for lung cancer.
机译:摘要干扰素(IFNS)具有抗病毒和抗肿瘤作用。 III型干扰素被证明是最近发现的干扰素家族的成员,以抑制肿瘤增殖并促进各种肿瘤细胞的凋亡。 但是,III型IFN是否可以抑制肺癌的增殖尚不清楚。 在本研究中,我们发现干扰素λ(IFNλ)可以抑制A549细胞的增殖,并诱导A549细胞的自噬和凋亡。 IFNλ可以促进自噬基因BECLIN1的表达,并干扰自噬基因BECLIN1与小干扰RNA的表达,从而抑制III型干扰素对肺癌细胞凋亡和促进肺癌凋亡的影响。 这些结果表明,IFNλ可以通过激活自噬途径来抑制A549细胞的增殖,并且IFNλ可能是肺癌的潜在治疗药物之一。

著录项

  • 来源
    《Cell biology international.》 |2019年第6期|共8页
  • 作者单位

    Department of Thoracic SurgeryAffiliated Taizhou Hospital of Wenzhou Medical UniversityTaizhou;

    Department of Clinical LaboratoryThird Affiliated Hospital of Anhui Medical UniversityHefei People;

    Institute of Cell BiologyZhejiang UniversityHangzhou People's Republic of China;

    Institute of Cell BiologyZhejiang UniversityHangzhou People's Republic of China;

    Department of Clinical LaboratoryThird Affiliated Hospital of Anhui Medical UniversityHefei People;

    Department of Clinical LaboratoryThird Affiliated Hospital of Anhui Medical UniversityHefei People;

    Department of Thoracic SurgeryAffiliated Taizhou Hospital of Wenzhou Medical UniversityTaizhou;

    Department of GastroenterologySanMen People's HospitalTaizhou Zhejiang Province People's Republic;

    Institute of Cell BiologyZhejiang UniversityHangzhou People's Republic of China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 细胞生物学;
  • 关键词

    A549 cells; apoptosis; autophagy; lung cancer; type III interferon;

    机译:A549细胞;细胞凋亡;自噬;肺癌;III型干扰素;

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