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Related Concept Videos

Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

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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...
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Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

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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...
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Lipid-derived Compounds in the Human Body01:31

Lipid-derived Compounds in the Human Body

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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 .
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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,...
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Overview of Lipid Metabolism01:24

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Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
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Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

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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...
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Lipid Absorption01:24

Lipid Absorption

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Dietary triglycerides from chyme in the duodenum are mixed with bile salts produced by the liver to emulsify fats. As a result, large droplets are broken down into smaller ones, increasing the surface area for enzymatic action. Once emulsified, pancreatic lipases hydrolyze the triglycerides into free fatty acids and monoglycerides.
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Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
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Lipoprotein (A) in clinical practice.

Rohan Jayasinghe, Ian Hamilton Craig, Raj Kamal Alfred Mohan

    JPMA. the Journal of the Pakistan Medical Association
    |May 29, 2014
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    Summary
    This summary is machine-generated.

    Lipoprotein (a) is a significant risk factor for atherosclerosis and cardiovascular disease. Measuring Lp(a) is recommended for individuals with premature coronary disease to assess cardiovascular risk.

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    Area of Science:

    • Cardiovascular Medicine
    • Clinical Biochemistry
    • Genetics

    Background:

    • Lipoprotein (a) [Lp(a)] is an independent risk factor for atherosclerosis, ischemic heart disease, and stroke.
    • The Lp(a) subtype is genetically linked to the Apo(a) gene on chromosome 6q26-27, increasing coronary artery disease (CAD) risk.
    • Despite established links, clinical relevance and application in cardiovascular prevention require further clarification.

    Purpose of the Study:

    • To systematically review the scientific literature on Lipoprotein (a) from 1960 to 2012.
    • To assess the clinical relevance of Lp(a) in cardiovascular disease (CVD) risk and prevention.
    • To evaluate potential management strategies for elevated Lp(a) levels.

    Main Methods:

    • Systematic literature review of data sources including Cochrane, PubMed, and MEDLINE.
    • Analysis of studies published between 1960 and 2012.
    • Focus on Lp(a) as a risk factor for atherosclerotic cardiovascular disease.

    Main Results:

    • Plasma Lp(a) measurement is indicated in patients with premature coronary disease without identified causes.
    • Emerging management strategies include PCSK9 inhibitors, apheresis, CETP inhibitors, dietary changes, and ACE inhibitors.
    • Clear evidence confirms Lp(a) as a definitive risk marker for atherosclerotic CVD.

    Conclusions:

    • Lipoprotein (a) is a validated risk marker for atherosclerotic cardiovascular disease.
    • Further research is needed to fully elucidate the clinical utility of Lp(a) in cardiovascular prevention.
    • Personalized risk assessment and management strategies targeting Lp(a) show promise.