What question did this study set out to answer?

To extract, purify, and characterize a major structural protein component from erythrocyte membrane ghosts.

January 12, 1968Science

Selective Solubilization of a Protein Component of the Red Cell Membrane

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To extract, purify, and characterize a major structural protein component from erythrocyte membrane ghosts.
Dialyzed erythrocyte membrane ghosts against adenosine triphosphate and 2-mercaptoethanol to solubilize membrane proteins.
Characterized protein purity, electrophoretic mobility, and cation-induced polymerization using polyacrylamide gels, free-boundary electrophoresis, and electron microscopy.
Evaluated antigen specificity using antibodies directed against the isolated protein tested across red cells, serum, cytoplasm, and other blood cells.
Dialysis solubilized approximately 20 percent of the total membrane-bound protein free of other membrane components.
The solubilized protein displayed a single electrophoretic boundary and polymerized into coiled filaments upon exposure to divalent cations.
Antibodies against the protein, designated spectrin, reacted exclusively with red blood cells and their ghosts, pointing to a primary role in membrane structural support.

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Implication

Biochemical study reveals selective solubilization of spectrin from red cell membrane ghosts, suggesting its crucial role in maintaining erythrocyte structural integrity.

Cite This Study

Marchesi et al. (1968) studied this question.

synapsesocial.com/papers/6a19902360e90a7f5fea66db https://doi.org/10.1126/science.159.3811.203

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Implication

Biochemical study reveals selective solubilization of spectrin from red cell membrane ghosts, suggesting its crucial role in maintaining erythrocyte structural integrity.

Selective Solubilization of a Protein Component of the Red Cell Membrane

Key Points

Discussion

Implication

Cite This Study

Selective Solubilization of a Protein Component of the Red Cell Membrane

Key Points

Discussion

Implication

Cite This Study

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