On the mechanism of membrane permeabilization by tamoxifen and 4-hydroxytamoxifen

J Ortiz, JA Teruel, FJ Aranda, A Ortiz - Membranes, 2023 - mdpi.com
Tamoxifen (TMX), commonly used in complementary therapy for breast cancer, also displays
known effects on the structure and function of biological membranes. This work presents an …

Dissimilar action of tamoxifen and 4-hydroxytamoxifen on phosphatidylcholine model membranes

J Ortiz, FJ Aranda, JA Teruel, A Ortiz - Biophysical Chemistry, 2021 - Elsevier
The anticancer drug tamoxifen and its primary metabolite 4-hydroxytamoxifen tend to
accumulate in membranes due to its strong hydrophobic character. Thus, in this work we …

Tamoxifen-model membrane interactions: an FT-IR study

H Boyar, F Severcan - Journal of molecular structure, 1997 - Elsevier
The temperature-and concentration-induced effects of tamoxifen (TAM) on dipalmitoyl
phosphatidylcholine (DPPC) model membranes were investigated by the Fourier transform …

Tamoxifen perturbs lipid bilayer order and permeability: comparison of DSC, fluorescence anisotropy, Laurdan generalized polarization and carboxyfluorescein …

M Engelke, P Bojarski, R Bloß, H Diehl - Biophysical chemistry, 2001 - Elsevier
The perturbation of the lipid bilayer structure by tamoxifen may contribute to its multiple
mechanisms of anticancer action not related to estrogen receptors. This study evaluates the …

The anticancer drug tamoxifen induces changes in the physical properties of model and native membranes

JBA Custódio, LM Almeida, VMC Madeira - Biochimica et Biophysica Acta …, 1993 - Elsevier
The interactions of tamoxifen with lipid bilayers of model and native membranes were
investigated by fluorescence polarization of 1, 6-diphenyl-1, 3, 5-hexatriene (DPH) and by …

Regulation of lipid membrane partitioning of tamoxifen by ionic strength and cholesterol

UPN Dao, QD Nguyen, TT Nguyen - Pharmaceutical research, 2020 - Springer
Purpose The purpose of this study was to inspect the interactions between an anti-breast
cancer, TAM, with model of lipid membranes composed of either zwitterionic DPPC LUVs or …

Concentration dependent different action of tamoxifen on membrane fluidity

N Kazanci, F Severcan - Bioscience reports, 2007 - portlandpress.com
Tamoxifen (TAM) is a non-steroidal antiestrogen drug, which is widely used to prevent and
treat breast, liver, pancreas and brain cancers. The present work investigates, in detail, the …

The active metabolite hydroxytamoxifen of the anticancer drug tamoxifen induces structural changes in membranes

JBA Custódio, LM Almeida, VMC Madeira - Biochimica et Biophysica Acta …, 1993 - Elsevier
The effects of hydroxytamoxifen (OHTAM) on lipid organization of pure phospholipid
liposomes, native sarcoplasmic reticulum (SR) membranes and liposomes of SR lipids were …

Interactions of the anticancer drug tamoxifen with lipid membranes

NK Khadka, X Cheng, CS Ho, J Katsaras, J Pan - Biophysical journal, 2015 - cell.com
Interactions of the hydrophobic anticancer drug tamoxifen (TAM) with lipid model
membranes were studied using calcein-encapsulated vesicle leakage, attenuated total …

Tamoxifen increases membrane fluidity at high concentrations

F Severcan, N Kazanci, F Zorlu - Bioscience reports, 2000 - portlandpress.com
There are contradictory results in the literature relating to the effect oftamoxifen on
membrane fluidity. The present work investigates the effect oftamoxifen on membrane …