Studies on human porin XVIII: the multicompartment effector ruthenium red reduces the voltage dependence of human VDAC in planar lipid bilayers.

Abstract:

:The initial data on the effect of ruthenium red on mature human type-1 VDAC are presented. Highly enriched human type-1 porin in planar lipid bilayers shows lowered voltage-dependence whenever a commercially available ruthenium red preparation is applied. The hexavalent polycationic dye ruthenium red affects different functions in varying cell compartments. Concerning the plasma membrane of cells the actual data, together with our former measurements on the interaction of VDAC and the polycationic synthetic polyamine Compound 48/80, refer to a second VDAC opener, which is relevant for studies on the stimulation of exocytotic processes of different cell types.

journal_name

Mol Genet Metab

authors

Siadat S,Reymann S,Horn A,Thinnes FP

doi

10.1006/mgme.1998.2764

subject

Has Abstract

pub_date

1998-11-01 00:00:00

pages

246-9

issue

3

eissn

1096-7192

issn

1096-7206

pii

S1096-7192(98)92764-0

journal_volume

65

pub_type

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