FMO3遺伝子の一般的な変異によって引き起こされる軽度のトリメチラミヌリア
Lancet (London, England)
|September 15, 1999
まとめ
FMO3遺伝子の一般的な変異は,酵素活性を低下させることで,軽度のトリメチラミヌリアを引き起こす. このFMO3欠乏症は,単なる体臭以上の臨床的影響を及ぼします.
科学分野:
- バイオケミストリー バイオケミストリー
- 遺伝学 遺伝学とは
- メタボリック障害 メタボリック障害
背景:
- 魚のような体臭を特徴とするトリメチラミヌリアは,しばしばFMO3遺伝子変異と関連しています.
- フラビンを含むモノオキシゲナーゼ3 (FMO3) 酵素は,窒素を含む化合物を代謝する上で重要な役割を果たします.
研究 の 目的:
- 酵素活性に対する一般的なFMO3遺伝子変異の影響を調査する.
- 特徴的な魚のような体臭を超えて,FMO3欠乏症の臨床的重要性を評価する.
主な方法:
- 一般的なFMO3遺伝子変異の分析.
- FMO3酵素の活性のインビヴォ評価.
- FMO3欠乏症患者の臨床評価について.
主要な成果:
- 常見のFMO3変異は,FMO3酵素の活性がin vivoで著しく低下する.
- 軽度から一時的なトリメチラミヌリアは,これらの変種を有する個体で観察されました.
- 臨床的症状は,体臭を超えて広がり,FMO3欠乏のより広範な影響を示唆しました.
結論:
- 一般的なFMO3遺伝子変異は,酵素機能の低下による軽度のトリメチラミヌリアの原因である.
- FMO3欠乏症は,不快な体臭を超えて広がるかもしれない臨床的関連性を持っています.
- FMO3欠乏症の臨床スペクトルを完全に理解するために,さらなる研究が必要である.
関連する概念動画
Meiosis I
Meiosis is a carefully orchestrated set of cell divisions, the goal of which—in humans—is to produce haploid sperm or eggs, each containing half the number of chromosomes present in somatic cells elsewhere in the body. Meiosis I is the first such division, and involves several key steps, among them: condensation of replicated chromosomes in diploid cells; the pairing of homologous chromosomes and their exchange of information; and finally, the separation of homologous chromosomes by a...
Mutations
Overview
Translation
Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Animal Mitochondrial Genetics
Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
Alternative RNA Splicing
Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
Translation
Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life


