beta globulin

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beta globulin

A scientist examines a beta globulin sample under a microscope.

Definition

Noun: A type of globulin protein found in blood plasma that is responsible for transporting iron throughout the body. It is one of the beta globulins, a group of proteins that migrate with the beta fraction in serum protein electrophoresis.

Usage

This is a technical, scientific term used primarily in the fields of medicine, biochemistry, and hematology. * It is used to refer to the specific iron-transporting protein. * It is often discussed in the context of blood tests, protein analysis, or iron metabolism disorders.

Examples
  • The laboratory test showed an elevated level of beta globulin, indicating a possible issue with iron transport.
  • Transferrin, a beta globulin, is crucial for binding and delivering iron to the bone marrow.
  • A deficiency in certain beta globulins can be detected through serum protein electrophoresis.
Advanced Usage
  • Clinical Context: The term is used when interpreting electrophoresis results, where proteins are separated into fractions including albumin, alpha-1, alpha-2, beta, and gamma globulins.
  • Genetic Disorders: Mutations affecting beta globulin synthesis can lead to specific medical conditions related to iron overload or deficiency.
Variants and Related Words
  • Transferrin: This is the primary and most specific beta globulin responsible for iron transport. The terms are often used synonymously in a medical context, though "beta globulin" can refer to the broader protein group.
  • Beta Globulins (plural): Refers to the entire group of plasma proteins with similar electrophoretic mobility, which includes transferrin but also other proteins like complement components and lipoproteins.
  • Globulin: The broader category of simple proteins to which beta globulin belongs.
Synonyms
  • Transferrin (specific type)
  • Siderophilin (an older term for transferrin)
Different Meanings

This term has a highly specific, technical meaning in biochemistry and medicine. It does not have common idiomatic or figurative meanings.

beta globulin

A scientist examines a beta globulin sample under a microscope.

Noun
  1. a globulin in blood plasma that carries iron

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