関連する実験動画
Updated: Feb 26, 2026

06:47
Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
Published on: January 28, 2021
12.6K
小児高コレステロール血症におけるリポタンパク質(a)レベル
Matej Mlinaric1,2, Barbara Cugalj Kern3, Ana Drole Torkar1
1Department of Endocrinology, Diabetes and Metabolism, University Children's Hospital, University Medical Centre Ljubljana, Ljubljana, Slovenia.
European journal of preventive cardiology
|February 24, 2026
まとめ
高コレステロール血症の小児において、リポタンパク質(a) [Lp(a)] の上昇はコレステロール値に著しく影響を与える。これらの若年患者における心血管疾患リスク管理には、Lp(a)の早期評価が不可欠である。
科学分野:
- 小児科; 心臓病学; 遺伝学
背景:
- リポタンパク質(a) [Lp(a)] は、心血管疾患(CVD)の主要な遺伝的リスク因子です。; 粒子類似性のため、極めて高いLp(a)レベルは低密度リポタンパク質コレステロール(LDL-C)を上昇させる可能性があります。; 小児高コレステロール血症におけるLp(a)の役割は十分に理解されていません。
研究 の 目的:
- 高コレステロール血症の小児におけるLp(a)のLDL-Cへの影響を調査すること。; 小児高コレステロール血症コホートにおける高Lp(a)の有病率を決定すること。; 影響を受けた小児における総LDL-CレベルへのLp(a)の寄与を評価すること。
主な方法:
- 本研究には、スクリーニングにより特定された1,418人の高コレステロール血症の小児が含まれました。; 参加者は、確定FH、可能性のあるFH、確定非FHグループに分類されました。; 分析は、Lp(a)レベルとそのLDL-Cおよびアポタンパク質Bとの相関に焦点を当てました。
主要な成果:
- 確定FH症例の25.1%、可能性のあるFH症例の34.9%でLp(a)(>30 mg/dL)が認められました。; Lp(a)はLDL-C(変動の10.3%)およびアポタンパク質Bレベルに著しく寄与しました。; Lp(a)調整後も、確定FH症例の大部分(88.4%)および可能性のあるFH症例の有意な部分(30.4%)で高LDL-Cが持続しました。
結論:
- FHの小児の約4人に1人、多因子性高コレステロール血症の3人に1人が高Lp(a)を示しました。; 高Lp(a)は、これらの小児集団における高LDL-Cおよびアポタンパク質Bに寄与します。; 高LDL-Cおよび肥満などの修正可能なリスク因子の早期特定と管理は、これらの小児にとって不可欠です。
関連する概念動画
Blood Studies for Cardiovascular System III: Serum Lipid Profile
698
Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
698
Cholesterol: Significance and Regulation
1.7K
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Considering cholesterol and...
1.7K
Lipids: Dietary Sources and Requirements
2.4K
Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
2.4K
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
1.6K
Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
1.6K
Atherosclerosis III: Management
482
Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
482
Lipid-derived Compounds in the Human Body
7.2K
Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
7.2K

