Red cell rheology in stomatocyte-echinocyte transformation: roles of cell geometry and cell shape

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Red cell rheology in stomatocyte-echinocyte transformation: roles of cell geometry and cell shape.

The influence of the shape of the red blood cell during stomatocyte-echinocyte transformation on its deformability was studied by microsieving through pores with diameters of 2.6, 4.5, and 6.9 micron. A stomatocytic transformation was produced by chlorpromazine (0.02, 0.1, and 0.5 mmol/L) and an echinocytic transformation by sodium salicylate (7.5, 30, and 120 mmol/L). For spherostomatocytes, a...

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Stomatocyte-discocyte-echinocyte sequence of the human red blood cell: evidence for the bilayer- couple hypothesis from membrane mechanics.

Red-cell shape is encoded in the mechanical properties of the membrane. The plasma membrane contributes bending rigidity; the protein-based membrane skeleton contributes stretch and shear elasticity. When both effects are included, membrane mechanics can reproduce in detail the full stomatocyte-discocyte-echinocyte sequence by variation of a single parameter related to the bilayer couple origin...

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ژورنال

عنوان ژورنال: Blood

سال: 1986

ISSN: 0006-4971,1528-0020

DOI: 10.1182/blood.v67.4.1110.1110