Carcinogenesis, Teratogenesis & Mutagenesis ›› 2023, Vol. 35 ›› Issue (6): 405-411.doi: 10.3969/j.issn.1004-616x.2023.06.001

    Next Articles

ALDH3A1 activates GMA-induced malignant transformation of epithelial mesenchymal transition in 16HBE cells via the IL-6/STAT3 signalling pathway

WANG Quankai1,2, JIN Huiping1,2, LI Xinwei1,2, CUI Xufang1,2, GU Yiting1, WUHAN Baolier1, KANG Tongying1, XU Jianning1,2   

  1. 1. National Institute of Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050;
    2. State Key Laboratory of Trauma and Chemical Poisoning, Chinese Center for Disease Control and Prevention, Beijing 100050, China
  • Received:2023-09-12 Revised:2023-11-10 Online:2023-11-30 Published:2023-12-09

Abstract: OBJECTIVE:As a carcinogen classified as Group 2A by the International Agency for Research on Cancer (IARC),glycidyl methacrylate (GMA) is widely used in the synthesis and modification of various composite materials. However,the specific carcinogenic mechanism of GMA remains unclear. This study aimed to investigate whether the key molecular mechanisms underlying the malignant transformation of 16HBE cells induced by GMA are associated with the expression of aldehyde dehydrogenase 3A1 (ALDH3A1). METHODS:The transient transfection technique was used to overexpress ALDH3A1 in the GMA-induced malignant transformed 16HBE cells,which was established by our research group in previous work. qPCR and Western blot techniques were used to analyze the gene and protein expression levels of IL-6/signal transducer and activator of transcription 3 (STAT3) pathway and epithelial-mesenchymal transition (EMT) markers,including E-cadherin,Vimentin,matrix metalloproteinase 3 (MMP3) and Snail protein and mRNA expression. RESULTS:The qPCR and Western blot results showed that,compared to the control group,the ALDH3A1 overexpression group upregulation of E-cadherin expression,and downregulation of IL-6,STAT3,p-STAT3,MMP3 and Snail expression (P<0.05). Additionally,the transcription levels of MMP3,Snail,and Vimentin were downregulated (P<0.05). The results indicated that ALDH3A1 reduced the expression of several key proteins involved in the EMT process in GMA-induced malignant transformed 16HBE cells by inhibiting the activation of the IL6/STAT3 pathway. CONCLUSION:ALDH3A1 is closely associated with the GMA-induced malignant transformation process in 16HBE cells,and it inhibits the activation of the IL-6/STAT3 pathway,thereby attenuating the expression of multiple key proteins involved in the EMT process. These findings contribute to elucidating the carcinogenic mechanism of GMA and provide potential biomarkers for the assessment of health effects of GMA exposure.

Key words: glycidyl methacrylate, 16HBE cells, ALDH3A1, epithelial-mesenchymal transition, IL-6/STAT3 signalling pathway

CLC Number: