Ketosteroid
Ketosteroid
Ketosteroids (pronounced: ke-toh-ster-oids) are a type of steroid that contains a ketone group. They are derived from cholesterol and are a significant class of biomolecules in the human body.
Etymology
The term "ketosteroid" is derived from the words "keto", which refers to the presence of a ketone group, and "steroid", which is a type of molecule characterized by a specific carbon skeleton.
Function
Ketosteroids play a crucial role in various biological processes. They are involved in the regulation of gene expression, the maintenance of cell membrane integrity, and the modulation of immune response. Some ketosteroids, such as corticosteroids, have potent anti-inflammatory effects and are used in the treatment of conditions like asthma and rheumatoid arthritis.
Types of Ketosteroids
There are several types of ketosteroids, including:
- Corticosteroids: These are produced in the adrenal cortex and have potent anti-inflammatory effects.
- Sex steroids: These include androgens, estrogens, and progestogens, which are involved in the regulation of sexual characteristics and reproduction.
- Anabolic steroids: These are synthetic substances that mimic the effects of male sex hormones and are often used to enhance athletic performance.
Related Terms
- Steroid: A type of organic molecule characterized by a specific carbon skeleton.
- Ketone: A functional group characterized by the presence of a carbonyl group.
- Cholesterol: A type of lipid that is an essential component of cell membranes and a precursor to various types of steroids.
- Biomolecule: A molecule that is involved in the maintenance and metabolic processes of living organisms.
External links
- Medical encyclopedia article on Ketosteroid
- Wikipedia's article - Ketosteroid
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