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Related Concept Videos

Lipids: Dietary Sources and Requirements01:18

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

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...
Structure of Lipids03:38

Structure of Lipids

Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic birds and...
Compounds Essential to Human Function01:25

Compounds Essential to Human Function

The human body is composed of cells that are fundamentally made up of several different molecules. These molecules are essential to carry out all physiological processes in the body and are broadly classified into organic and inorganic based on their chemical structures.
Inorganic Compounds Essential to Human Functioning
Inorganic compounds essential to human functioning include water, salts, acids, and bases. These compounds are inorganic, i.e., they do not have a carbon-hydrogen bond. Water...
Overview of Fatty Acid Metabolism01:28

Overview of Fatty Acid Metabolism

Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Neurotransmitters01:31

Neurotransmitters

Neurotransmitters are essential chemical messengers within the nervous system, facilitating the communication between neurons. These chemical messengers, varying in function and effect, are critical for sustaining various aspects of neurological health and emotional well-being.

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Lipidomics and Transcriptomics in Neurological Diseases
09:58

Lipidomics and Transcriptomics in Neurological Diseases

Published on: March 18, 2022

Essential fatty acids and human brain.

Chia-Yu Chang1, Der-Shin Ke, Jen-Yin Chen

  • 1Department of Neurology, Chi-Mei Medical Center, Tainan Taiwan. chiayu.chang7@msa.hinet.net

Acta Neurologica Taiwanica
|March 25, 2010
PubMed
Summary
This summary is machine-generated.

Essential fatty acids (EFAs) are vital for brain health and development, influencing neurotransmitter function and neuroprotection. Ensuring adequate intake of these fats is crucial for optimal brain performance and preventing related disorders.

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Area of Science:

  • Neuroscience
  • Nutrition Science
  • Biochemistry

Background:

  • The human brain comprises approximately 60% fat, with fatty acids playing a critical role in its integrity and function.
  • Essential fatty acids (EFAs) are indispensable for optimal health, necessitating dietary intake as the body cannot synthesize them.
  • Imbalances in dietary fatty acid intake are linked to impaired brain performance and neurological conditions.

Purpose of the Study:

  • To elucidate the role of EFAs in maintaining brain integrity and performance.
  • To explore the connection between EFAs and neuropsychiatric disorders.
  • To provide a comprehensive understanding of how dietary fatty acids impact brain health.

Main Methods:

  • Review of clinical observation studies on fatty acid intake and brain health.
  • Analysis of the role of EFAs in brain development, neurotransmitter synthesis, and immune function.
  • Examination of lipid messengers in neuronal signaling pathways.

Main Results:

  • EFAs, particularly omega-3s, are crucial for fetal and postnatal brain development, including visual cortex maturation.
  • Dietary decosahexaenoic acid (DHA) supports visual acuity and mental development.
  • EFAs act as messengers in neurotransmitter synthesis and immune system modulation, influencing neuronal injury or protection.

Conclusions:

  • Essential fatty acids are fundamental to brain structure, function, and development.
  • Understanding the impact of EFAs on the brain is key to addressing neuropsychiatric disorders.
  • Optimizing wellness involves ensuring appropriate dietary intake or supplementation of EFAs.