title: Interrelations between ABO blood group, plasminogen, alpha1-antitrypsin, alpha2-macroglobulin and the platelet count in blood donors.
abstract: The level of plasminogen alpha1-antitrypsin, alpha2-macroglobulin and the platelet count were measured in 511 blood donors. The mean level of alpha1-antitrypsin was significantly lower in men of group B compared with that of group O. No other differences between the blood groups reached statistical significance. Woman had higher mean levels of alpha1-antitrypsin and alpha2-macroglobulin and a higher platelet count than men. The levels of plasminogen and alpha1-antitrypsin were significantly higher in women using oral contraceptive compared with those who were not. The level of alpha2-marcoglobulin fell with age until the 60-64 year age-group in men and the 40-49 year age-group in women. A positive correlation existed between the alpha1-antitrypsin and the alpha2-macroglobulin level and between the platelet count and the plasminogen level.
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001772:Blood Cell Count; D001782:Blood Donors; D001792:Blood Platelets; D005260:Female; D006487:Hemostasis; D006801:Humans; D008297:Male; D008875:Middle Aged; D010958:Plasminogen / Q000032:analysis; D012737:Sex Factors; D000515:alpha 1-Antitrypsin / Q000032:analysis; D000511:alpha-Macroglobulins / Q000032:analysis
chemical_list: D000017:ABO Blood-Group System; D000515:alpha 1-Antitrypsin; D000511:alpha-Macroglobulins; D010958:Plasminogen