在2型自体逆性低酸性风病的表型多样性
Maimoona Al Qanoobi1, Maryam Al Badi2, Aisha Al Sinani2
1Department of Pediatrics, Al Nahdha Hospital, Muscat, Sultanate of Oman.
概括
2型自体递归低酸性风风病 (ARHR2) 呈现出由于ENPP1基因突变而导致的多种症状. 基因检测对于诊断这种罕见疾病及其相关的酸盐浪费至关重要.
科学领域:
- 遗传学 遗传学 是一个
- 内分泌学 在内分泌学.
- 儿科 儿科 儿科
背景情况:
- 2型自体逆性低性风病 (ARHR2) 是一种罕见的遗传疾病.
- 它是由ENPP1基因的双基突变引起的,导致广泛的临床表现.
- 缺乏ENPP1会影响酸盐代谢,并可能导致恶心病和其他系统性问题.
研究的目的:
- 描述来自血缘家族的三个兄弟姐妹中ARHR2的异质临床特征.
- 为了研究生物化学特征,包括FGF23和无机酸盐 (PPi) 含量.
- 强调对ENPP1突变的基因检测的诊断效用.
主要方法:
- 三个受影响的兄弟姐妹和他们的父亲的临床病例描述.
- 生物化学分析包括血清酸盐,性酸酶,TmP/GFR,FGF23和血无机酸盐 (PPi).
- 基因检测用于识别ENPP1基因变异.
主要成果:
- 兄弟姐妹表现出明显异质的临床特征,从经典的狂犬病到血管狭窄症和听力损失.
- 所有受影响的儿童都表现出低酸血症,TmP/GFR降低,FGF23水平变化,表明酸盐浪费.
- 在受影响个体中观察到显著降低的血PPi水平,携带者略有降低.
- 在受影响的兄弟姐妹中发现了一个同卵性ENPP1变体 (c.2559_2561del p.(Leu854del)).
结论:
- 恩普1缺陷具有显著的临床异质性,强调了识别各种表现的重要性.
- 血PPi水平的降低是ARHR2的一个关键生化标志物.
- 对ENPP1突变的基因检测对于准确诊断和与其他低酸性拉希特病的区别至关重要.
相关概念视频
The Ratio of X Chromosome to Autosomes
9.9K
In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female...
9.9K
Diabetes Mellitus: Type 2 and Gestational
5.1K
Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
5.1K
Cell Diversity
5.2K
The concept of a cell started with microscopic observations of dead cork tissue by Robert Hooke in 1665. Hooke coined the term "cell" based on the resemblance of the small subdivisions in the cork to the rooms that monks inhabited, called cells. About ten years later, Antonie van Leeuwenhoek became the first person to observe the living and moving cells under a microscope. In the century that followed, the theory that cells represented the basic unit of life developed.
Multicellular...
Multicellular...
5.2K
Diversity of Archaea II
544
Archaea, one of the three domains of life, exhibit remarkable diversity and adaptability, thriving in both extreme and moderate environments. Historically, most identified archaea have been classified into two major phyla: Euryarchaeota and Crenarchaeota. However, recent molecular studies have expanded this classification to include three additional phyla: Thaumarchaeota, Nanoarchaeota, and Korarchaeota, each exhibiting unique characteristics and ecological roles.Thaumarchaeota: Mesophiles...
544
Diversity of Protists I
1.2K
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
1.2K
Diversity of Protists II
1.2K
Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
1.2K


