Plazmafehérjéket

Plazmafehérjéket, also known as plasma proteins, are a group of proteins that are present in the blood plasma of all vertebrates. They are synthesized by the liver and play a crucial role in maintaining the colloidal osmotic pressure of blood, which helps to keep blood vessels open and prevents excessive fluid loss. Plasma proteins are essential for the transport of various substances, including hormones, vitamins, and lipids, throughout the body.

There are several types of plasma proteins, including albumin, alpha-globulins, beta-globulins, and gamma-globulins. Albumin is the most abundant plasma protein, accounting for approximately 60% of the total protein content. It is responsible for maintaining the oncotic pressure of blood and is involved in the transport of hormones, drugs, and other substances. Alpha-globulins and beta-globulins are involved in the transport of lipids and hormones, while gamma-globulins, particularly immunoglobulins, are important components of the immune system.

Plasma proteins are also involved in various physiological processes, such as blood clotting, inflammation, and immune response. They can be affected by diseases and conditions that alter the composition of blood plasma, such as liver disease, malnutrition, and inflammatory disorders. Measurement of plasma protein levels is an important diagnostic tool in clinical practice, as it can provide valuable information about a patient's overall health and the presence of underlying diseases.