関連する実験動画
Updated: Jul 20, 2026

06:47
Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
Published on: January 28, 2021
青少年における年齢と性別によるリポタンパク質の分布
Courtney J Jolliffe1, Ian Janssen
1School of Kinesiology and Health Studies, Queen's University, Kingston, Ontario, Canada.
Circulation
|August 31, 2006
まとめ
青少年におけるコレステロールレベルに対する新しい年齢および性別特有の値は,高リスクの脂質タンパク質レベルと心血管疾患リスクを特定するためのより正確な方法を提供します. これは,子供と青少年のための現在の分類システムを改善します.
科学分野:
- 心血管の健康についてです.
- 小児内分泌学について
- 脂質代謝についてです.
背景:
- 現在,小児の脂質たんぱく質レベル (年齢2〜19歳) のための国家コレステロール教育プログラム (NCEP) のガイドラインには,年齢と性別の特異性がない.
- 現行のガイドラインは,青少年の成長と成熟期における自然なリポタンパク質の変動を考慮していない.
- これは,若者の心血管リスクの不正確な評価につながる可能性があります.
研究 の 目的:
- 年齢と性別に特化したリポプロテインの値濃度を青少年向けに開発する.
- この集団における高リスクの脂質タンパク質レベルを特定するためのより正確な診断ツールを作成する.
- 青少年における関連心血管リスクの評価を改善する.
主な方法:
- 全国保健栄養検査調査 (NHANES) のデータを活用した.
- 成長曲線のLambda-Mu-Sigma (LMS) の回帰法を使用して,年齢および性別の特定の値を設定しました.
- NCEPの成人治療パネルIII (ATPIII) の基準に青少年の値をリンクした.
主要な成果:
- トータルコレステロール,LDLコレステロール,HDLコレステロール,トリグリセリドの年齢および性別特有の値を開発しました.
- 高リスクの脂質タンパク質レベルを診断するための成長曲線と表を提示しました.
- 例:高リスクの総コレステロールの値は12~19歳の男性で5.70~6.16mmol/Lの範囲で,大人の値6.22mmol/Lに近づいている.
結論:
- この研究は,青少年に対する年齢および性別特有の脂質タンパク質の値を確立するための最初の取り組みを表しています.
- 新しい分類システムは,高リスクの脂質タンパク質濃度のより正確な診断を約束しています.
- 診断の正確性の向上により,青少年における心血管リスクの管理が向上する可能性があります.
関連する概念動画
Blood Studies for Cardiovascular System III: Serum Lipid Profile
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...
Cholesterol: Significance and Regulation
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...
Lipid-derived Compounds in the Human Body
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, delayed...
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, delayed...
Lipids: Dietary Sources and Requirements
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 meats, shellfish,...
Signs of Puberty
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
Pharmacokinetics in Pediatric Patients: Drug Distribution
Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...
