在一个南亚国家的α-gal过敏
Dhanushka Dasanayake1, Chandima Karunatilake2, Chathurika Karunaratne2
1Medical Research Institute, Colombo, Sri Lanka. dhanushkadasanayake@yahoo.com.
BMC immunology
|May 14, 2025
概括
红肉过敏的阿尔法综合征 (AGS) 在印度次大陆越来越多地报告,经常影响儿童. 这种过敏也可以表现为对含有牛产品的疫苗的反应.
科学领域:
- 免疫学 免疫学 免疫学
- 过敏学 过敏学
- 流行病学 流行病学
背景情况:
- 阿尔法综合征 (AGS) 是对红肉的延迟过敏,由咬后的银河糖-α-1,3-银河糖 (alpha-gal) 触发.
- 虽然在全球范围内有记录,但在印度次大陆,AGS很少被报告.
- 这项研究调查了该地区的AGS人口统计和与疫苗过敏的潜在联系.
研究的目的:
- 为了确定阿尔法综合征 (AGS) 在印度次大陆的患病率和特征.
- 探索AGS与含有牛产品的疫苗过敏之间的关联.
- 为了比较儿童与成人的AGS人口统计和临床特征.
主要方法:
- 在2018年至2024年期间,对57名被诊断患有AGS的患者进行了回顾性分析.
- 诊断证实了8小时内对红肉的过敏反应,血清IgE对α-gal的阳性,以及对牛血清白蛋白 (BSA) 的阴性IgE.
- 在AGS患者中评估疫苗过敏,包括过敏反应.
主要成果:
- 该研究确定了57名AGS患者,54.3%为12岁或以下,这表明儿童患病率高于其他地区.
- 女性占成人病例的比例更大 (63.2%) 并且更有可能经历严重过敏反应 (5/6成人).
- 六名AGS患者对MMR,红疹,水和狂犬病等疫苗产生过敏,包括过敏反应.
结论:
- 阿尔法综合征 (AGS) 是印度次大陆食物和疫苗过敏的重要原因.
- 在该地区的儿童中,AGS似乎更为普遍,与全球趋势形成鲜明对比.
- 在儿科和成人群体中,AGS的临床表现一致.
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