氧化应激、炎症和神经发育途径的遗传变异:对脊髓肌肉萎缩症易感性和病程的影响。

IF 3.6 4区 医学 Q3 CELL BIOLOGY
Maruša Barbo, Blaž Koritnik, Lea Leonardis, Tanja Blagus, Vita Dolžan, Metka Ravnik-Glavač
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引用次数: 0

摘要

脊髓性肌萎缩症(SMA)的表型与 SMN2 基因拷贝数密切相关。然而,即使在拷贝数相同的受影响个体中,疾病的严重程度和进展也有很大差异。本研究旨在探讨氧化应激、炎症和神经发育途径中的遗传变异对 SMA 易感性和临床进展的影响。我们对 54 名 SMA 患者和 163 名健康对照者的 20 个基因中的 31 个基因变异进行了基因分型。我们的研究结果显示了特定多态性与 SMA 易感性、疾病类型、症状出现年龄以及运动和呼吸功能之间的关联。值得注意的是,TNF rs1800629 和 BDNF rs6265 多态性对 SMA 易感性有保护作用,而 IL6 rs1800795 则与风险增加有关。经临床参数调整后,CARD8 rs2043211 和 BDNF rs6265 多态性与 SMA 类型相关,而 SOD2 rs4880、CAT rs1001179 和 MIR146A rs2910164 与发病年龄相关。此外,GPX1 rs1050450和HMOX1 rs2071747与运动功能评分和肺功能评分相关,而MIR146A rs2910164、NOTCH rs367398 SNPs和GSTM1缺失与运动功能和上肢功能评分相关,BDNF rs6265经调整后与肺功能评分相关。这些发现强调了氧化应激、炎症过程和神经发育途径中的遗传变异在阐明 SMA 复杂病程方面的潜力。对这些途径的进一步探索为开发针对 SMA 患者的个性化治疗策略提供了一条前景广阔的途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Genetic Variability in Oxidative Stress, Inflammatory, and Neurodevelopmental Pathways: Impact on the Susceptibility and Course of Spinal Muscular Atrophy.

The spinal muscular atrophy (SMA) phenotype strongly correlates with the SMN2 gene copy number. However, the severity and progression of the disease vary widely even among affected individuals with identical copy numbers. This study aimed to investigate the impact of genetic variability in oxidative stress, inflammatory, and neurodevelopmental pathways on SMA susceptibility and clinical progression. Genotyping for 31 genetic variants across 20 genes was conducted in 54 SMA patients and 163 healthy controls. Our results revealed associations between specific polymorphisms and SMA susceptibility, disease type, age at symptom onset, and motor and respiratory function. Notably, the TNF rs1800629 and BDNF rs6265 polymorphisms demonstrated a protective effect against SMA susceptibility, whereas the IL6 rs1800795 was associated with an increased risk. The polymorphisms CARD8 rs2043211 and BDNF rs6265 were associated with SMA type, while SOD2 rs4880, CAT rs1001179, and MIR146A rs2910164 were associated with age at onset of symptoms after adjustment for clinical parameters. In addition, GPX1 rs1050450 and HMOX1 rs2071747 were associated with motor function scores and lung function scores, while MIR146A rs2910164, NOTCH rs367398 SNPs, and GSTM1 deletion were associated with motor and upper limb function scores, and BDNF rs6265 was associated with lung function scores after adjustment. These findings emphasize the potential of genetic variability in oxidative stress, inflammatory processes, and neurodevelopmental pathways to elucidate the complex course of SMA. Further exploration of these pathways offers a promising avenue for developing personalized therapeutic strategies for SMA patients.

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来源期刊
CiteScore
7.70
自引率
0.00%
发文量
137
审稿时长
4-8 weeks
期刊介绍: Cellular and Molecular Neurobiology publishes original research concerned with the analysis of neuronal and brain function at the cellular and subcellular levels. The journal offers timely, peer-reviewed articles that describe anatomic, genetic, physiologic, pharmacologic, and biochemical approaches to the study of neuronal function and the analysis of elementary mechanisms. Studies are presented on isolated mammalian tissues and intact animals, with investigations aimed at the molecular mechanisms or neuronal responses at the level of single cells. Cellular and Molecular Neurobiology also presents studies of the effects of neurons on other organ systems, such as analysis of the electrical or biochemical response to neurotransmitters or neurohormones on smooth muscle or gland cells.
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