title: Time-related shape control modifications during erythrocyte storage with additive solutions.
abstract: To obtain more detailed information on the reversibility of shape alterations in blood bank stored erythrocytes, we have studied shape recovery after chemical crenation and rheological properties in 8 PAGGS-sorbitol preserved erythrocyte concentrates during a five week storage period under blood bank conditions. Our results show that red cell capability to regain a normal discoid shape after chemical crenation decreases during storage but is not lost over a five week period. Moreover there is a significant but weak correlation between red cell ATP content and both shape recovery capability and viscosity. Our results confirm suspicious that red cell shape perturbations following blood bank storage are widely reversible. Two different mechanisms may be involved in reducing shape recovery capability during storage, namely an ATP-dependent mechanism and an energy-independent one. The energy dependent mechanism may be preserved by the previous addition of solutions which maintain higher energy levels during storage.
authors.affiliation: Centro Immuno-Trasfusionale, Ospedale Civile di Pordenone, Italy.
authors.forename: V
authors.initials: V
authors.lastname: De Angelis
authors.forename: B M
authors.initials: BM
authors.lastname: Orazi
authors.forename: L
authors.initials: L
authors.lastname: Santarossa
authors.forename: G L
authors.initials: GL
authors.lastname: Molaro
authors.forename: D
authors.initials: D
authors.lastname: Villalta
authors.forename: G F
authors.initials: GF
authors.lastname: Santini
authors.forename: P
authors.initials: P
authors.lastname: Doretto
authors.forename: P
authors.initials: P
authors.lastname: Cappelletti
mesh_terms: D000225:Adenine; D000255:Adenosine Triphosphate / Q000097:blood; D001793:Blood Preservation; D001809:Blood Viscosity; D002469:Cell Separation; D004136:Dinitrobenzenes; D004905:Erythrocyte Aging / Q000187:drug effects; D004907:Erythrocyte Deformability / Q000187:drug effects*; D005947:Glucose; D006151:Guanosine; D006801:Humans; D010710:Phosphates; D012965:Sodium Chloride; D012996:Solutions; D013012:Sorbitol; D014108:Tosylphenylalanyl Chloromethyl Ketone
chemical_list: D004136:Dinitrobenzenes; C053620:PAGGS-sorbitol solution; D010710:Phosphates; D012996:Solutions; D006151:Guanosine; D014108:Tosylphenylalanyl Chloromethyl Ketone; D012965:Sodium Chloride; D013012:Sorbitol; D000255:Adenosine Triphosphate; D005947:Glucose; D000225:Adenine