在儿童淋巴细胞白血病风险中,出生特征与CRHR1,MC2R,NR3C1,GLCCI1变体之间的相互作用
Vitoria Müller de Carvalho1, Alython Araujo Chung-Filho1, Flávio Henrique Paraguassu Braga2
1Research Center, Molecular Carcinogenesis Program, Instituto Nacional de Câncer (INCA), Rio de Janeiro, Brazil.
Frontiers in oncology
|February 13, 2024
概括
MC2R和GLCCI1的遗传变异与儿童急性淋巴细胞白血病 (ALL) 风险有关. 较低的出生体重,剖腹产和较低的母亲教育也增加了ALL风险,突出了白血病发生中的基因环境相互作用.
科学领域:
- 遗传学和流行病学
- 儿科瘤学 儿科瘤学
- 分子生物学分子生物学
背景情况:
- 儿童急性淋巴细胞白血病 (ALL) 发病率在全球范围内有所不同.
- 内源性皮质醇可以消除白血病前克隆.
- 这项研究调查了ALL风险中的基因环境相互作用.
研究的目的:
- 检查葡萄糖皮质体分泌途径中的特定遗传变异与儿童ALL风险之间的关联.
- 探索与出生特征的潜在基因环境相互作用.
主要方法:
- 对儿童 (<10岁) 单核酸变异的出生特征和基因定型的观察性分析.
- 使用后勤回归和正式相互作用分析来评估风险关联.
- 使用qPCR和高分辨率化进行基因型鉴定;检查了哈迪-韦恩伯格平衡.
主要成果:
- 低出生体重,剖腹产和母亲的低学历与ALL风险增加有关.
- MC2R rs1893219 A>G与ALL风险呈负相关性,而GLCCI1 rs37972 C>T (TT基因型) 与ALL风险呈正相关性.
- 结合的MC2R (AA) 和GLCCI1 (TT) 基因型增加了ALL风险;MC2R rs1893219与母亲的学校教育相互作用.
结论:
- MC2R rs1893219 A>G和GLCCI1 rs37972 C>T变体与儿童ALL易感性有显著的相关性.
- 调节下丘脑-垂体-上腺 (HPA) 轴的基因可能会影响白血病发生.
- 需要进一步的研究来证实这些发现,并阐明潜在的机制.
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