基于贫血的查,检测儿童对甲状腺激素α的耐药性
Gözde Akın Kağızmanlı1, Özgür Kırbıyık2, Ayhan Abacı1
1Department of Pediatric Endocrinology, Dokuz Eylül University Faculty of Medicine, İzmir, Turkey.
Clinical endocrinology
|December 27, 2023
概括
这项研究评估了对患有神经问题儿童抗甲状腺激素α (RTH-α) 的查策略. 该战略确定了一个已知的RTH-α病例,但没有发现新的病例,这表明它可以减少不必要的基因测试.
科学领域:
- 儿科内分泌学 儿科内分泌学
- 临床遗传学 临床遗传学
- 血液学 血液学 血液学
背景情况:
- 对甲状腺激素α (RTH-α) 的耐药性呈现出复杂的甲状腺功能低下表型,甲状腺刺激激素 (TSH) 水平正常.
- 诊断RTH-α是具有挑战性的,通常因正常或巨细胞性贫血和正常的自由T3 (fT3) 和自由T4 (fT4) 水平而复杂化.
- 关于儿童群体中RTH-α的有效查方法的数据有限.
研究的目的:
- 评估建议的儿童RTH-α查策略的诊断效率.
- 确定RTH-α查的潜在临床和实验室标记物.
- 评估这一策略在减少不必要的基因测试方面的有用性.
主要方法:
- 一组6540名儿童接受了完整的血清和甲状腺功能测试.
- 患有常态或宏细胞性贫血,正常TSH,高正常/高fT3和低正常/低fT4的儿童被选中进行进一步评估.
- 对32名儿童进行了临床评估,生物化学测试和THRA测序,并与已知的RTH-α患者进行了比较.
主要成果:
- 查发现了一名已知的RTH-α患者,但在32名评估儿童中没有新的病例.
- 在不到一半的查患者中,正常或巨细胞性贫血持续存在.
- 在评估的队列中没有发现THRA的病理变异.
结论:
- 实施的查策略,包括临床和实验室发现,确定了一个已知的RTH-α病例.
- 该策略可能有助于最大限度地减少神经疾病儿童中THRA基因不必要的遗传分析.
- 进一步细化查标准可以提高RTH-α的诊断产量.
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