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A common polymorphism in the retinoic acid pathway modifies adrenocortical carcinoma age-dependent incidence.
British Journal of Cancer ( IF 6.4 ) Pub Date : 2020-03-09 , DOI: 10.1038/s41416-020-0764-3
Mirvat Surakhy 1 , Marsha Wallace 1 , Elisabeth Bond 1 , Lukasz Filip Grochola 2, 3 , Husein Perez 4 , Matteo Di Giovannantonio 1 , Ping Zhang 1 , David Malkin 5 , Hannah Carter 6 , Ivy Zortea S Parise 7 , Gerard Zambetti 8 , Heloisa Komechen 7 , Mariana M Paraizo 7 , Meghana S Pagadala 6 , Emilia M Pinto 8 , Enzo Lalli 9 , Bonald C Figueiredo 7, 10, 11 , Gareth L Bond 1
Affiliation  

BACKGROUND Genome-wide association studies (GWASs) have enriched the fields of genomics and drug development. Adrenocortical carcinoma (ACC) is a rare cancer with a bimodal age distribution and inadequate treatment options. Paediatric ACC is frequently associated with TP53 mutations, with particularly high incidence in Southern Brazil due to the TP53 p.R337H (R337H) germline mutation. The heterogeneous risk among carriers suggests other genetic modifiers could exist. METHODS We analysed clinical, genotype and gene expression data derived from paediatric ACC, R337H carriers, and adult ACC patients. We restricted our analyses to single nucleotide polymorphisms (SNPs) previously identified in GWASs to associate with disease or human traits. RESULTS A SNP, rs971074, in the alcohol dehydrogenase 7 gene significantly and reproducibly associated with allelic differences in ACC age-of-onset in both cohorts. Patients homozygous for the minor allele were diagnosed up to 16 years earlier. This SNP resides in a gene involved in the retinoic acid (RA) pathway and patients with differing levels of RA pathway gene expression in their tumours associate with differential ACC progression. CONCLUSIONS These results identify a novel genetic component to ACC development that resides in the retinoic acid pathway, thereby informing strategies to develop management, preventive and therapeutic treatments for ACC.

中文翻译:

视黄酸途径中的常见多态性改变了肾上腺皮质癌的年龄依赖性发病率。

背景全基因组关联研究(GWAS)丰富了基因组学和药物开发领域。肾上腺皮质癌(ACC)是一种罕见的癌症,具有双峰年龄分布和治疗选择不足。儿科 ACC 经常与 TP53 突变相关,由于 TP53 p.R337H (R337H) 种系突变,在巴西南部的发病率特别高。携带者之间的异质风险表明可能存在其他遗传修饰符。方法 我们分析了来自儿童 ACC、R337H 携带者和成人 ACC 患者的临床、基因型和基因表达数据。我们将我们的分析限制在先前在 GWAS 中发现的与疾病或人类特征相关的单核苷酸多态性 (SNP)。结果 SNP,rs971074,在酒精脱氢酶 7 基因中,与两个队列中 ACC 发病年龄的等位基因差异显着且可重复地相关。次要等位基因纯合子的患者在 16 年前被诊断出来。该 SNP 存在于参与视黄酸 (RA) 途径的基因中,并且在其肿瘤中具有不同 RA 途径基因表达水平的患者与不同的 ACC 进展相关。结论 这些结果确定了存在于视黄酸途径中的 ACC 发育的新遗传成分,从而为开发 ACC 的管理、预防和治疗治疗提供了策略。该 SNP 存在于参与视黄酸 (RA) 途径的基因中,并且在其肿瘤中具有不同 RA 途径基因表达水平的患者与不同的 ACC 进展相关。结论 这些结果确定了存在于视黄酸途径中的 ACC 发育的新遗传成分,从而为开发 ACC 的管理、预防和治疗治疗提供了策略。该 SNP 存在于参与视黄酸 (RA) 途径的基因中,并且在其肿瘤中具有不同 RA 途径基因表达水平的患者与不同的 ACC 进展相关。结论 这些结果确定了存在于视黄酸途径中的 ACC 发育的新遗传成分,从而为开发 ACC 的管理、预防和治疗治疗提供了策略。
更新日期:2020-03-09
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