在急性淋巴细胞白血病的儿科患者的诱导化疗期间,细菌热冲击蛋白基因
Katherine A Dunn1,2,3, Emma MacDonald1, Tamara MacDonald4,5
1Department of Pediatrics, Division of Hematology Oncology, Izaak Walton Killam (IWK) Health, Halifax, NS, Canada.
Future oncology (London, England)
|January 8, 2024
概括
接受治疗的儿科白血病患者在肠道微生物组内显示了细菌热冲击蛋白 (HSP) 基因的变化. 特定的HSP基因和微生物群落在治疗期间发生了转移,这表明肠道细菌和癌症进展之间存在联系.
科学领域:
- 微生物学 微生物学
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
背景情况:
- 已知热冲击蛋白 (HSP) 能够保护癌细胞.
- 胃肠道细菌拥有HSP基因,可以释放细胞外囊泡.
- 治疗引起的压力可能会改变肠道微生物群,可能会增加HSP基因丰富度,并有助于循环HSP水平.
研究的目的:
- 为了研究细菌热冲击蛋白 (HSP) 基因在儿科急性淋巴细胞白血病 (ALL) 患者中的丰富性.
- 分析癌症治疗期间这些HSP基因和肠道微生物社区组成的变化.
主要方法:
- 从30名儿科ALL患者的便样本中分析了5种细菌HSP基因.
- 在治疗前和治疗启动期间,HSP基因丰富度和微生物社区多样性的比较.
主要成果:
- 在治疗前与诱导期间 (p=0.0024) 观察到平均HTPG计数显著下降.
- 在诱导过程中,HTPG,香农多样性和Bacteroidetes都下降了 (p=7.5e-4;1.1e-3;8.6e-4).
- 相反,DNAK和Firmicutes在诱导过程中显示出增加 (p=6.9e-3;9.2e-4).
结论:
- 在白血病治疗期间,确定了肠道微生物HSP基因社区的变化.
- 需要进一步的研究来确定细菌HSP在瘤微环境中的作用及其对白血病治疗疗效的影响.
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