与其他技术相比,荧光原位杂交法检测 NSCLC 转染过程中的基因重组情况

IF 3 Q2 ONCOLOGY
Anne Mc Leer PhD , Julie Mondet PharmD, PhD , Nelly Magnat MSc , Mailys Mersch MSc , Diane Giovannini MD , Camille Emprou MD , Anne-Claire Toffart MD, PhD , Nathalie Sturm MD, PhD , Sylvie Lantuéjoul MD, PhD , David Benito PhD
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引用次数: 0

摘要

1%至2%的NSCLC会出现RET重排。由于目前还没有经过临床验证的 RET 抗体,荧光原位杂交(FISH)通常被用作筛选工具,以确定可能从 RET 靶向治疗中获益的患者。在本研究中,我们对通过 FISH 进行 RET 重排检测的文献进行了全面回顾,并将其方法和结果与我们的数据进行了比较。在格勒诺布尔大学医院,784 例 EGFR、KRAS、ALK 和 ROS1 阴性 NSCLC 接受了 RET 重排 FISH 检测,并通过 RNA 序列(RNA-seq)进行了确认。结果在 85 篇使用 RET-FISH 分析的文献中,52 篇与肺癌患者有关。最常用的阳性阈值为 15%。有 6 篇文献对至少 8 个样本的 RET-FISH 与至少一种其他分子技术进行了比较,两者的一致性不尽相同,FISH 阳性病例的一致性从 5.9% 到 66.7% 不等。就我们的数据而言,在 784 份分析样本中,有 32 份(4%)RET-FISH 阳性。在RET-FISH阳性样本中,RET-FISH与RNA-seq的一致性为69%。结论总的来说,现有文献和我们的数据都表明,RET-FISH检测可用于快速筛查NSCLC中的RET重排。然而,使用 RNA-seq 等正交技术确认 RET-FISH 阳性病例对于确保只有可能从 RET 靶向治疗中获益的患者接受治疗至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Rearranged During Transfection Rearrangement Detection by Fluorescence In Situ Hybridization Compared With Other Techniques in NSCLC

Introduction

RET rearrangements occur in 1% to 2% NSCLCs. Since no clinically validated RET antibody is currently available, fluorescence in situ hybridization (FISH) is often used as a screening tool to identify patients likely to benefit from RET-targeted therapy. In this study, we performed a comprehensive review of publications in which RET-rearrangement testing was performed by FISH and compared the methods and results with our data.

Methods

The findings of an electronic search for publications using RET-FISH in lung cancer were compared with the results obtained at the Grenoble University Hospital where 784 EGFR-, KRAS-, ALK-, and ROS1-negative NSCLCs were tested by RET break-apart FISH and confirmed by RNA-sequencing (RNA-seq).

Results

Out of the 85 publications using RET-FISH analysis, 52 pertained to patients with lung cancer. The most often used positivity threshold was 15%. Six publications compared RET-FISH with at least one other molecular technique on at least eight samples, and the concordance was variable, from 5.9% to 66.7% for FISH-positive cases. Regarding our data, out of the 784 analyzed samples, 32 (4%) were positive by RET-FISH. The concordance between RET-FISH and RNA-seq in RET-FISH positive samples was 69%.

Conclusions

Overall, both existing literature and our data suggest that RET-FISH testing can be used for rapid screening of RET rearrangements in NSCLC. Nevertheless, using an orthogonal technique such as RNA-seq to confirm RET-FISH-positive cases is essential for ensuring that only patients likely to benefit from RET-target therapy receive the treatment.
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来源期刊
CiteScore
4.20
自引率
0.00%
发文量
145
审稿时长
19 weeks
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