MYCL1 Amplification and Expression of L-Myc and c-Myc in Surgically Resected Small-Cell Lung Carcinoma.

MYCL1 Amplification and Expression of L-Myc and c-Myc in Surgically Resected Small-Cell Lung Carcinoma.
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手术切除的小细胞肺癌中 MYCL1 的扩增以及 L-Myc 和 c-Myc 的表达

DOI:
10.3389/pore.2021.1609775
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发表时间:
2021
期刊:
Pathology oncology research : POR
影响因子:
--
通讯作者:
Lu H
Lu H
中科院分区:
其他
文献类型:
--
作者:
Qin J;Xie F;Li C;Han N;Lu H

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目的:Myc 家族,特别是 C-MYC 和 MYCL1,已被发现与小细胞肺癌(SCLC)有关。识别 SCLC 患者中 C-MYC 和 MYCL1 表达频率可能有助于确定治疗干预的潜在目标。我们的目的是检测手术切除的 SCLC 患者的 MYCL1 扩增、L-Myc 和 c-Myc 表达,并调查临床病理特征和生存状态。方法:使用荧光原位杂交(FISH)检测 46 例切除的 SCLC 患者原发肿瘤中 MYCL1 扩增,同时使用免疫组织化学(IHC)检测 L-Myc 和 c-Myc 蛋白表达。结果:在 46 个评估样本中,3/46 例(6.5%)发现 MYCL1 扩增。其中一例阳性病例为MYCL1基因扩增合并融合。 3/46(6.5%)L-myc蛋白表达阳性,4/46(8.7%)c-Myc蛋白表达阳性。结论:本研究首次多维探讨了手术切除的SCLC患者MYCL1扩增、L-Myc和c-Myc蛋白的表达情况,探讨了其临床病理特征和生存状况,为后续研究和治疗策略做出了贡献。
Purpose: The Myc family, especially C-MYC and MYCL1, has been found involved in small-cell lung carcinoma (SCLC). Identification of the frequency of C-MYC and MYCL1 expression among SCLC patients may help to identify potential targets for therapeutic intervention. Our aim was to detect MYCL1 amplification, L-Myc and c-Myc expression, and investigate clinicopathological characteristics and survival status in patients with surgically resected SCLC. Methods: MYCL1 amplification was detected using fluorescence in situ hybridization (FISH), while L-Myc and c-Myc protein expressions were determined using immunohistochemistry (IHC) in the primary tumors of 46 resected SCLC patients. Results: Among the 46 evaluated specimens, MYCL1 amplification was identified in 3/46 cases (6.5%). One of the positive cases was MYCL1 gene amplification combined with fusion. 3/46 (6.5%) was positive for L-myc protein expression, and 4/46 (8.7%) was positive for c-Myc protein expression. Conclusion: Our study firstly multidimensional explored the expression of MYCL1 amplification, L-Myc and c-Myc protein and investigated clinicopathological characteristics and survival status in patients with surgically resected SCLC, which makes a contribution to subsequent research and therapeutic strategies.
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