评估非小细胞肺癌中 t-DARPP 表达变化与 DDR1 表达的关系

Q2 Biochemistry, Genetics and Molecular Biology
Iranian Biomedical Journal Pub Date : 2024-01-01 Epub Date: 2023-06-24 DOI:10.61186/ibj.3878
Zahra Damavandi, Pardis Riahi, Tayebeh Majidizadeh, Massoud Houshmand
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引用次数: 0

摘要

背景:DDR1 信号在各种细胞功能中发挥着关键作用。t-DARPP 是 DARPP-32 的截短异构体,其上调可促进细胞存活和迁移。大多数肺癌患者都患有 NSCLC,而他们的存活率很低。因此,有必要研究新的有效靶向疗法。NSCLC患者中t-DARPP表达的增加与患者的生存率有关,并可作为与NSCLC分期增加相关的预后标志物。本研究旨在评估 NSCLC 中 DDR1 表达的改变及其对 t-DARPP 表达的影响:方法:A549 和 Calu-3 两种人类肺腺癌细胞系经 I 型胶原处理后转染 DDR1 siRNA。采用 qRT-PCR 方法评估 DDR1 和 t-DARPP 的相对表达:结果表明,I型胶原蛋白可刺激NSCLC细胞中DDR1的表达。结果表明,胶原 I 型可刺激 NSCLC 细胞中 DDR1 的表达,DDR1 的上调也会导致 t-DARPP 的表达显著增加。与此相反,抑制 DDR1 的表达会明显降低 t-DARPP 的表达:我们的研究结果表明,I型胶原蛋白和 siRNA 引起的 DDR1 表达改变可能会影响 NSCLC 中 t-DARPP 的表达,而 t-DARPP 的表达与 NSCLC 的进展有关。此外,这种改变有可能成为治疗干预的创新靶点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of t-DARPP Expression Alteration in Association with DDR1 Expression in Non-Small Cell Lung Cancer.

Background: Discoidin domain receptor 1 (DDR1) signaling plays a critical role in various cellular functions. Increased DDR1 expression has been shown in different human cancers. t-DARPP is a truncated isoform of DARPP-32, and its upregulation promotes cell survival and migration. Most lung cancer patients have non-small cell lung cancer (NSCLC), and their survival rate is low. Therefore, it is necessary to study new and effective targeted therapies. Increased t-DARPP expression in NSCLC patients is associated with patient survival and can act as a prognostic marker correlated with increasing stages of NSCLC. The current study aimed to evaluate alteration in DDR1 expression and its effects on t-DARPP expression in NSCLC.

Methods: Two human lung adenocarcinoma cell lines, A549 and Calu-3, were treated with collagen type I and transfected with DDR1 siRNA. The relative expression of DDR1 and t-DARPP was evaluated using qRT-PCR.

Results: The results indicated that collagen type I could stimulate DDR1 expression in NSCLC cells. Also, DDR1 upregulation resulted in a significant increase in t-DARPP expression. In contrast, suppression of DDR1 expression significantly decreased t-DARPP expression.

Conclusion: Our findings propose that modification in the expression of DDR1, caused by collagen type I and siRNA, might influence the expression of t-DARPP in NSCLC that is linked to NSCLC progression. Moreover, this alteration could potentially serve as an innovative target for therapeutic intervention.

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来源期刊
Iranian Biomedical Journal
Iranian Biomedical Journal Biochemistry, Genetics and Molecular Biology-Biochemistry, Genetics and Molecular Biology (all)
CiteScore
3.20
自引率
0.00%
发文量
42
审稿时长
8 weeks
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