Biomedical subjects
Publications and source records attributed to G Laine.
The isoenzyme content of creatine kinase was determined in various human organs after autopsy. The results found were on the whole in agreement with the literature. Their analysis dictates the choice of a method of separation of the MB fraction: chromatography or electrophoresis. It permits better interpretation of the results of estimation of the MB fraction in the serum.
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A new case of analbuminemia is described for a six month old child of Algerian origin. The serum albumin concentration was 64 mg/l and its immunochemical action was identical to that of normal albumin. The system reacted by an increase of the synthesis of globulins. For the subject, the alpha1-antitrypsin, ceruloplasmin, haptoglobin, alpha2-macroglobulin, transferrin and immunoglobulins M contents were three times higher than the standard figures. However, it was possible to show that the presence of free bilirubin independent from proteins could be detected at a concentration of 17 mumol/l.
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A new case of analbuminemia was described as follows for a six month's old child of Algerian origin. The discovery of the disease was made by chance, the clinical signs were limited to small oedema. The serum albumin concentration was 64 mg/1 and its immunochemical action was identical to that of normal albumin. The system reacted by an increase of the synthesis of globulins. For the subject, the alpha1-antitrypsin, ceruleoplasmin, hatoglobin, alpha2-macroglobulin, transferrin, immunoglobulins M contents were three times higher than the standard figures. The analysis of the distribution of non esterified fatty acids ususally carried by albumin was normal. On the other hand, it was possible to show that the presence of free bilirubin independant from proteins could be detected for a concentration of 17 micronmol/l. A study of the family showed a standard repartition of albumin and globulins. The genetic origin observed in the symptoms was confirmed by the consanguinity of the parents.
MB iso-enzyme of creatine phosphokinase (CPK) was estimated after chromatography. The technique used, Mercer's technique, was simple and rapid. It required 1 ml of serum. The study carried out in 152 subjects showed that CPK was increased (N less than 90 mU/ml). In the group of 104 patients with myocardial infarction (average CPK levels = 829 mU/ml +/- 516), the MB iso-enzyme was found in the serum in significant levels (average level of the MB fraction = 10.9% +/- 5.4). On the other hand, in the control group of 44 patients with various diseases, (CPK = 672 mU/ml +/- 531) the MB iso-enzyme remained low (0.35% +/- 0.44). In two subjects with myocardial infarction, no MB fraction was found. On the other hand, in two patients who died, one from necrotic, prostatic adenocarcinoma, the other from necrotic epidermoid lung cancer, the MB iso-enzyme was significantly increased. The test proposed here, which is applicable in a routine laboratory, seems the most specific of all laboratory examinations available to the clinician for the diagnosis of myocardial infarction.
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