ISSN:
1439-6327
Keywords:
UV-irradiation
;
Oxygen affinity of haemoglobin
;
2,3-Diphosphoglycerate
;
Plasma phosphate
;
Altitude
Source:
Springer Online Journal Archives 1860-2000
Topics:
Medicine
Notes:
Summary In 16 healthy caucasian volunteers (mean age: 22.2 years) the influence of whole body UV-irradiation on the oxygen transport properties of erythrocytes was investigated. Four hours after irradiation with UV (using the minimal erythema dose, MED) no variation of haemoglobin concentration, hematocrit, mean corpuscular haemoglobin concentration, pH or standard bicarbonate could be found, whereas inorganic plasma phosphate (Pi), calcium, the intraeryhtrocytic 2,3-diphosphoglycerate (2,3-DPG), the activity of erythrocytic phosphofructokinase (PFK) and pyruvatekinase (PK) increased significantly. The half saturation tension of oxygen (P50-value) tended to increase. The increase of Pi causes — via a stimulation of the glycolytic pathway — an increase in 2,3-DPG concentration and thus results in a shift of the oxygen dissociation curve. It is therefore possible to enhance tissue oxygenation by whole body UV-irradiation.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02334069
Permalink
