相关实验视频
Updated: Feb 7, 2026

06:22
Modeling and Evaluation of Murine Diabetic Cardiomyopathy Model
Published on: November 29, 2024
1.5K
心肌病和产前
Hilary S Gammill1,2, Rakesh Chettier3, Alina Brewer3,4
1Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, University of Washington, Seattle (H.S.G., R.S.).
Circulation
|July 20, 2018
概括
孕前与导致心肌病的基因突变有关,特别是在TTN基因中. 这些发现表明孕前患者心血管风险的遗传基础.
科学领域:
- 心血管遗传学
- 生殖医学
- 基因组医学
背景情况:
- 孕前与母亲的心血管疾病有关,包括腹功能障碍和心肌病.
- 与特异性心肌病相关的基因突变已与周围心肌病有关.
- 心肌病基因突变在妊娠前中的作用尚不清楚.
研究的目的:
- 调查心肌病基因突变是否有助于产前的发展.
- 在患者队列中识别与妊娠前相关的特定基因变异.
主要方法:
- 在181名妊娠前症患者中进行了整体外体序列测定,并与对照组进行了比较.
- 分析了43个心肌病基因中的罕见变异 (MAF < 0. 1%).
- 识别和量化了功能丧失和有害误解的变种.
主要成果:
- 与对照组相比,孕前患者在心肌病基因中出现罕见功能丧失变异的发生率显著高 (P=0. 014).
- 68% 的孕前患者至少有一种功能丧失或有害的错觉变异.
- 大多数突变都存在于TTN基因中 (55%),有73%的孕前症患者有TTN突变,对照组为48% (P=1. 36E-11).
结论:
- 患有妊娠前的女性更有可能携带与心肌病相关的基因中的蛋白质改变突变,特别是TTN.
- 这些突变在妊娠前,异常心肌病和周围心肌病中普遍存在,这表明它们在心血管疾病中起着更广泛的作用.
- 识别这些变异可以改善风险女性的诊断,分类,咨询和管理.
相关概念视频
Cardiomyopathy II: Dilated Cardiomyopathy
575
Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
575
Cardiomyopathy III: Hypertrophic Cardiomyopathy
506
Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
506
Cardiomyopathy IV: Restrictive Cardiomyopathy
566
Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
566
Cardiomyopathy V: Interprofessional Care
460
Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
460
Cardiomyopathy I: Introduction and Classification
613
Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
613
Cardiomyopathy VI: Nursing Management
358
Assessment: Nursing management of patients with cardiomyopathy begins with a thorough assessment of the patient's history, including a family history of cardiomyopathy or sudden cardiac death, personal history of heart disease, hypertension, diabetes, and any alcohol consumption or drug use.During the physical examination, assess vital signs, look for signs of heart failure (such as edema, jugular venous distention, and cyanosis), auscultate for abnormal heart sounds (like murmurs and gallops),...
358

