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Journals and Conferences
BACKGROUND AND PURPOSE Predicting stroke using biomarkers would enable clinicians to help prevent stroke or mitigate damage. Several stroke biomarkers have been investigated but none has shown near term predictive value. METHODS We studied patients presenting with a history of stroke or transient ischemic attack (TIA) to determine whether serum levels of… (More)
Two healthy men with McLeod syndrome, a rare X-linked recessive phenotype characterized by acanthocytosis and weakened red blood cell antigenicity in the Kell blood group system, have been investigated. Both men showed raised blood creatine kinase levels, with myopathic EMG abnormalities. Biopsies of the quadriceps muscle showed the features of an active… (More)
Human gastric mucosa contains three immunochemically distinguishable aspartic proteinases, pepsinogen I (pepsinogen A), pepsinogen II (pepsinogen C, progastricsin), and a nonpepsinogen proteinase also termed slow moving proteinase (SMP). The properties of SMP, and in particular its relationship to another aspartic proteinase, cathepsin D, were examined in… (More)
Adult human red cells contain appreciable levels of two carbonic anhydrase (CA) isozymes, CA I ( I 1.6 ? 2.3 mg/g Hb) and CA I1 (1.8 ? 0.3 mg/g Hb), as determined by radioimmunoassay (RIA). Recently, biochemical and immunological studies have demonstrated the presence of an additional red cell carbonic anhydrase with properties indistinguishable from… (More)
A radioimmunoassay for the human isozyme carbonic anhydrase III (CAIII) has been developed. The assay can detect levels as low as 4 microgram/l of sample. Plasma CAIII levels in patients suffering from Duchenne muscular dystrophy were found to be up to 39 times greater than levels in a control group. Urine CAIII levels in patients suffering from Duchenne… (More)
Using radioimmunoassay, the concentration of carbonic anhydrase III (CA III) in the livers of adult male rats was found to be approximately 30 times greater than that observed in mature females. Castration of male rats led to a marked reduction in liver CA III concentrations that could be partially restored to control levels by testosterone replacement.… (More)
Plasma carbonic anhydrase III (CAIII) and creatine kinase (CK) were measured in 44 patients with a variety of neuromuscular disorders. Markedly elevated CK levels were associated with similarly increased levels of CAIII. In 9 patients, only the CAIII was elevated, but in 2 patients only the CK was raised. The determination of plasma CAIII is thus an… (More)
Plasma carbonic anhydrase III (CAIII) levels determined by radioimmunoassay have been compared, in detail, with creatine kinase (CK) as indices of Duchenne muscular dystrophy (DMD). CAIII levels were markedly elevated in all patients but variability of levels in a number of individual patients was higher than CK.
The proteinase extracted from the myofibrillar fraction of (a) primary rat myocytes and (b) the L-8 myogenic cell line, both maintained in culture, was identified by immunochemical analysis as chymase, the chymotrypsin-like serine proteinase of rat mast cells. Chymase would therefore appear to be an intrinsic protein in the rat myocyte also.