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The Effect of 1-Propanol on the Rotational Mobility of n-(9-Anthroyloxy) stearic acid in Outer Monolayers of Neuronal and Model Membranes
International Journal of Oral Biology ; : 175-181, 2017.
Article in English | WPRIM | ID: wpr-222401
ABSTRACT
The aim of this study was to provide a basis for the molecular mechanism underlying the pharmacological action of ethanol. We studied the effects of 1-propanol on the location of n-(9-anthroyloxy)palmitic acid or stearic acid (n-AS) within the phospholipids of synaptosomal plasma membrane vesicles (SPMV). The SPMV were isolated from the bovine cerebral cortex and liposomes of total lipids (SPMVTL) and phospholipids (SPMVPL). 1-Propanol increased the rotational mobility of inner hydrocarbons, while decreasing the mobility of membrane interface, in native and model membranes. The degree of rotational mobility varied with the number of carbon atoms at positions 16, 12, 9, 6 and 2 in the aliphatic chain of phospholipids in the neuronal and model membranes. The sensitivity of increasing or decreasing rotational mobility of hydrocarbon interior or surface by 1-propanol varied with the neuronal and model membranes in the following order SPMV, SPMVPL and SPMVTL.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phospholipids / Carbon / Cell Membrane / Cerebral Cortex / Ethanol / 1-Propanol / Hydrocarbons / Liposomes / Membranes / Neurons Language: English Journal: International Journal of Oral Biology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phospholipids / Carbon / Cell Membrane / Cerebral Cortex / Ethanol / 1-Propanol / Hydrocarbons / Liposomes / Membranes / Neurons Language: English Journal: International Journal of Oral Biology Year: 2017 Type: Article