| Reference : High density lipoproteins--modulators of the calcium channel? |
| Scientific journals : Article | |||
| Human health sciences : Multidisciplinary, general & others | |||
| http://hdl.handle.net/10993/27478 | |||
| High density lipoproteins--modulators of the calcium channel? | |
| English | |
| Stimpel, M. [> >] | |
Neyses, Ludwig  [University of Luxembourg > Research Office] | |
| Locher, R. [> >] | |
| Knorr, M. [> >] | |
| Vetter, W. [> >] | |
| 1985 | |
| Journal of Hypertension. Supplement) | |
| 3 | |
| 3 | |
| S49-51 | |
| Yes (verified by ORBilu) | |
| International | |
| 0952-1178 | |
| ENGLAND | |
| [en] Adult ; Calcium/blood ; Calcium Channels/physiology ; Cholesterol/blood ; Electrolytes/blood ; Erythrocytes/metabolism ; Humans ; Lipids/blood ; Lipoproteins, HDL/blood/physiology ; Male ; Nitrendipine/pharmacology | |
| [en] It has recently been shown that human red blood cells possess a voltage-independent calcium channel which can be influenced by in vitro modification of the membraneous cholesterol content. To determine whether there is also a link between plasma lipids and the calcium influx through this channel under in vivo conditions, the calcium influx was measured in red blood cells from 51 male donors (aged 41 +/- 5 years). The influx through the channel was defined as the nitrendipine (15 mumol/l)-inhibitable part of 45Ca2+ influx. The Ca(2+)-ejecting ATPase was inhibited by vanadate. The results demonstrate a strong inverse relationship (r = -0.81; P < 0.001) between the plasma concentration of high density lipoproteins (HDL) and 45Ca2+ influx. No significant correlation was found between 45Ca2+ influx and triglycerides, low density lipoproteins (LDL), very low density lipoproteins (VLDL), total plasma cholesterol or extracellular electrolytes (K+, Na+, Ca2+, Mg2+). The results indicate that HDL are involved in the modulation of the calcium channel and provide a link between the cellular cholesterol turnover and the calcium influx in the pathogenesis of atherosclerosis and hypertension. | |
| http://hdl.handle.net/10993/27478 | |
| http://www.escholar.manchester.ac.uk/uk-ac-man-scw:1d24494 |
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