线粒体肌肉病变,乳酸性化和类似中风的情节与糖尿病相结合:一个病例报告
Shumin Zhou1, Yongjun Tian1, Fengying Liu2
1Department of General Internal Medicine, Guangzhou Development District Hospital, Guangzhou, 510700, China.
Endocrine, metabolic & immune disorders drug targets
|January 26, 2026
概括
线粒体疾病,通常是由线粒体DNA突变引起的,存在诊断挑战. 及时的基因查和管理对于改善MELAS和MDM等疾病患者的治疗结果至关重要.
科学领域:
- 遗传学 遗传学 是一个
- 神经学 神经学
- 内分泌学 在内分泌学.
背景情况:
- 线粒体疾病是影响肌肉,神经和心脏等高能量的组织的遗传性疾病.
- 线粒体DNA (mtDNA) 突变是主要原因,但诊断和治疗仍然困难.
研究的目的:
- 介绍一例病例研究,该病例研究的患者被诊断为线粒体脑筋疲劳症,与乳酸性酸和类似中风的情节 (MELAS) 和线粒体糖尿病 (MDM) 相关.
- 突出基因查在线粒体疾病及时诊断和管理中的重要性.
主要方法:
- 一个36岁的男性病例报告,他有糖尿病病史,经常发生酸和发作.
- 通过脑部MRI,外周血液线粒体基因测序揭示m.3243A>G突变,以及临床表现来确认诊断.
- 治疗包括胰岛素,液体替代,酸性的纠正和抗药.
主要成果:
- 这位患者表现出认知障碍,步态不稳定,血中乳糖水平升高.
- 基因测序确定了MT-TL1基因中的m.3243A>G突变.
- 尽管最初的症状有所缓解,但患者经历了复发,血糖控制不良,最终死于脑梗塞.
结论:
- 这个案例说明了典型的线粒体疾病表现,包括MELAS和MDM.
- 强调急需及时诊断和有效的症状管理的关键需求.
- 强调成功管理的依赖性在于全面的遗传查.
相关概念视频
Diagnosing Acidosis and Alkalosis
1.1K
Diagnosing acid-base imbalances involves systematically analyzing arterial blood samples, focusing on three key measurements: pH, bicarbonate (HCO3−) concentration, and carbon dioxide partial pressure (PCO2). This analysis follows a four-step process that helps identify the imbalance's underlying cause and nature.
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2 and...
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2 and...
1.1K
Animal Mitochondrial Genetics
9.0K
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...
9.0K
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes
15.7K
The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
15.7K
Pathophysiology of Diabetes
3.3K
Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
3.3K
Export of Mitochondrial and Chloroplast Genes
4.1K
A eukaryotic cell can have up to three different types of genetic systems: nuclear, mitochondrial, and chloroplast. During evolution, organelles have exported many genes to the nucleus; this transfer is still ongoing in some plant species. Approximately 18% of the Arabidopsis thaliana nuclear genome is thought to be derived from the chloroplast’s cyanobacterial ancestor, and around 75% of the yeast genome derived from the mitochondria’s bacterial ancestor. This export has occurred...
4.1K
Data Reporting and Recording
5.4K
Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
5.4K


