The bioenergetics of mitochondria after cryopreservation

The functional characteristics of rat liver mitochondria after cryopreservation with and without the addition of the cryoprotectant dimethyl sulfoxide (Me 2SO) were evaluated. As criteria of functional integrity, polarographic measurements of substrate-linked oxygen consumption and luminescent assay...

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Veröffentlicht in:Cryobiology 1989-08, Vol.26 (4), p.333-340
Hauptverfasser: Fuller, Barry J., Rubinacci, Alessandro, Geboes, Karel, De Loecker, William
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container_end_page 340
container_issue 4
container_start_page 333
container_title Cryobiology
container_volume 26
creator Fuller, Barry J.
Rubinacci, Alessandro
Geboes, Karel
De Loecker, William
description The functional characteristics of rat liver mitochondria after cryopreservation with and without the addition of the cryoprotectant dimethyl sulfoxide (Me 2SO) were evaluated. As criteria of functional integrity, polarographic measurements of substrate-linked oxygen consumption and luminescent assay of adenosine triphosphate (ATP) synthesis were considered before and after cryopreservation. The results demonstrated that mitochondrial damage after freezing was indicated by the polarographic studies but was not evident when ATP synthesis was considered. Me 2SO present during cryopreservation was partially protective for mitochondrial substrate-linked oxygen consumption; however, simple exposure to and dilution from Me 2SO effected some changes in mitochondrial function.
doi_str_mv 10.1016/0011-2240(89)90057-6
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subjects Adenosine Triphosphate - biosynthesis
Animals
Biological and medical sciences
Cell metabolism, cell oxidation
Cell physiology
Dimethyl Sulfoxide
Energy Metabolism
Freezing
Fundamental and applied biological sciences. Psychology
In Vitro Techniques
Mitochondria, Liver - metabolism
Molecular and cellular biology
Oxygen Consumption
Rats
Tissue Preservation
title The bioenergetics of mitochondria after cryopreservation
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