在Franches-Montagnes马的LMF1框架移位删除中,患有高甘油三血症诱导的胰腺炎
Michaela Drögemüller1, Nathalie Fouché2, Michelle Wyler2
1Institute of Genetics, Vetsuisse Faculty, University of Bern, 3001, Bern, Switzerland.
Scientific reports
|August 5, 2025
概括
在LMF1基因中的遗传变异导致Franches-Montagnes小的高甘油三血症诱发性胰腺炎 (HIP). 基因检测现在可以防止受影响的小马的繁殖,保护马匹的健康.
科学领域:
- 马类遗传学 马类遗传学
- 脂肪代谢障碍 脂肪代谢障碍 脂肪代谢障碍
- 狗和马类动物医学
背景情况:
- 遗传性高甘油三血症 (HTG) 是由影响脂质代谢酶的遗传变异引起的.
- 八只Franches-Montagnes (FM) 子呈现出高甘油和致命的急性胰腺炎,一种称为高甘油血症诱发性胰腺炎 (HIP) 的情况.
- 最初的观察表明,由于与特定的马匹的亲属关系和近亲繁殖,自体逆向遗传.
研究的目的:
- 为了确定法兰奇-蒙塔内斯 (FM) 马中高甘油三血症诱发性胰腺炎 (HIP) 的遗传原因.
- 建立一种用于早期检测和预防FM马的HIP的遗传测试.
主要方法:
- 整个基因组测序是在受影响的FM小身上进行的.
- 在LMF1基因 (脂酶成熟因子1) 中发现了一种同卵性功能丧失变异.
- 进行了2122匹FM马的基因型鉴定,以确定变异频率和基因型-表型相关性.
主要成果:
- 在LMF1基因中,一种同卵性功能丧失变异 (XM_023616679.1:c.369_373delinsTCT) 被确定为HIP的原因.
- 确定了11只同卵性突变马,所有马都表现出HIP表型.
- 在未受影响的FM马中,确定的LMF1变异的载体频率为15.0%.
结论:
- 鉴定出的LMF1变体与法兰西-蒙塔尼斯马的高甘油三血症诱导胰腺炎 (HIP) 现型完全相关.
- 对这种变异进行基因测试可以有效地防止受影响的小的繁殖.
- 这一发现为FM马群中管理和根除HIP提供了至关重要的工具.
关键词:
马 (Equus Caballus) 是一个有趣的动物.动物模型动物模型繁殖 繁殖 繁殖 繁殖结合性脂酶缺乏症是什么这是一种内生繁殖.脂质 脂质 是一种代谢过程中的代谢.精准医学是一门精准的医学.更多相关视频
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