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Recent developments in quantification methods for metallothionein
Marta Dabrio1, Adela R Rodríguez, Guy Bordin
1Institute of Environmental Medicine, Karolinska Institutet, S-171 77, Stockholm, Sweden.
Journal of Inorganic Biochemistry
|January 23, 2002
Summary
This review details recent advancements in quantifying metallothioneins (MT), proteins crucial for biological functions. It covers various methods for measuring total MT and MT polymorphism, highlighting their importance as biomarkers.
Area of Science:
- Biochemistry
- Analytical Chemistry
Background:
- Metallothioneins (MT) are low molecular weight proteins (6-7 kDa) characterized by high cysteine content, enabling unique metal-binding properties.
- MT play significant biological roles, making their accurate quantification essential for various research and diagnostic applications.
Purpose of the Study:
- To review recent developments (1995-present) in methodologies for quantifying total metallothioneins (MT) and MT polymorphism.
- To provide an overview of MT quantification techniques, including their application as biomarkers.
Main Methods:
- Separation techniques and hyphenated systems
- Electrochemical methods
- Immunological methods
- Quantification of MT mRNA
Main Results:
- The review synthesizes data on diverse quantification strategies for MT and MT polymorphism.
- It discusses challenges and evaluations related to these determination methods.
- The utility of MT as a biomarker is exemplified.
Conclusions:
- Accurate quantification of metallothioneins is vital for understanding their biological roles and applications.
- Recent methodological advancements have expanded the capabilities for MT analysis.
- Ongoing challenges in MT determination require continued research and evaluation.