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Binding of tele-methylhistamine to rat peritoneal cells
1Department of Pharmacology, Medical Faculty, Ljubljana, Yugoslavia.
Abstract:
Rat peritoneal cells were used to study the uptake of tele-methylhistamine (MeHi) from the incubation medium. The cells obtained from the peritoneal cavity were concentrated five times. MeHi in the cells was measured using an HPLC-assay with fluorescence detection. After the incubation of the cells in a buffer medium containing different concentrations of MeHi, a significant increase in MeHi content within the cell fraction was found. The increase was dose- and time-dependent. Preincubation with compound 48/80 did not affect the uptake of MeHi by the cells. The results indicate that MeHi may be taken up by mast cells.
Insights
This study shows tele-methylhistamine (MeHi) is absorbed by rat peritoneal cells. This uptake is dose- and time-dependent, suggesting mast cells may be involved in MeHi absorption.
Area of Science:
- Pharmacology
- Cell Biology
Background:
- Tele-methylhistamine (MeHi) is a compound with potential biological activity.
- Understanding its cellular uptake mechanisms is crucial for pharmacological research.
Purpose of the Study:
- To investigate the uptake of tele-methylhistamine (MeHi) by rat peritoneal cells.
- To determine the factors influencing MeHi uptake, such as concentration and time.
Main Methods:
- Rat peritoneal cells were isolated and concentrated.
- Tele-methylhistamine (MeHi) uptake was quantified using High-Performance Liquid Chromatography (HPLC) with fluorescence detection.
- Cells were incubated with varying concentrations of MeHi over different time periods.
Main Results:
- A significant, dose-dependent, and time-dependent increase in intracellular MeHi content was observed.
- Pre-incubation with compound 48/80 did not alter MeHi uptake.
- These findings suggest MeHi is actively taken up by the cells.
Conclusions:
- Rat peritoneal cells demonstrate a capacity for tele-methylhistamine (MeHi) uptake.
- The uptake mechanism appears to be concentration and time-dependent.
- Mast cells are a potential cellular target for MeHi uptake.