The full form of MB protein is Myoglobin.
Understanding Myoglobin
Myoglobin (Mb or MB) is an iron- and oxygen-binding protein primarily found in the heart and skeletal muscles of vertebrates. Its crucial role is to store and transport oxygen within muscle tissue, enabling efficient energy production for muscle contraction. Unlike hemoglobin, which carries oxygen throughout the bloodstream, myoglobin's function is localized within muscle cells.
Several references support this definition:
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Wikipedia: Defines myoglobin as "an iron- and oxygen-binding protein found in the cardiac and skeletal muscle tissue of vertebrates..." (https://en.wikipedia.org/wiki/Myoglobin)
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Other sources: Multiple scientific articles and medical resources mention MB protein in the context of myoglobin, often in relation to cardiac muscle damage assessment where elevated levels indicate potential heart injury. For instance, CK-MB (creatine kinase-MB) is an isoenzyme of creatine kinase specifically found in the heart, and its levels are used in diagnosing myocardial infarction (heart attack). (https://www.ncbi.nlm.nih.gov/books/NBK546624/)
While other proteins might use the abbreviation "MB," within the context of the question and provided references, the most likely and accurate full form is Myoglobin.
