Serum lactate dehydrogenase isoenzyme 1 (LDH 1) in a patient with seminoma.
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Serum lactate dehydrogenase isoenzyme 1 (LDH 1) in a patient with seminoma.
Lysozyme, a cationic protein, is found in biological fluids such as saliva both in the free form and associated with anionic proteins and polysaccharides to form reversible complexes. The degree of complexing depends on the concentration of these constituents, pH, and storage time, as well as other factors (2-6). Thus all our acid-treated samples gave higher values. Accurate determination of ly...
متن کاملDermatomyositis associated with testicular tumour with elevation of serum lactate dehydrogenase (LDH) isoenzyme-1.
Sir, It is well known that dermatomyositis (DM) is frequently associated with internal malignancy (1 ^ 2). Common malignant neoplasms found in association with DM are breast, lung, ovary, stomach and colon. Among such malignancies, testicular tumour appears to be rare and we found only one published case report of this combination (3). We report here a case of DM associated with a testicular tu...
متن کاملTime-related changes in the diagnostic utility of total lactate dehydrogenase, lactate dehydrogenase isoenzyme-1, and two lactate dehydrogenase isoenzyme-1 ratios in serum after myocardial infarction.
Using receiver-operating characteristic (ROC) curve and likelihood ratio analysis, we examined the diagnostic utility of total lactate dehydrogenase (LD; EC 1.1.1.27) activity (I). LD isoenzyme-1 activity (II), and the LD-1 percentage of total LD activity (III), LD-1 LD-2 (IV), and LD-1/LD-4 (V) in 347 persons admitted to the Cardiac Care Unit (of whom 173 were subsequently proven to have had m...
متن کاملPartial characterization of an abnormal lactate dehydrogenase isoenzyme, LDH-1ex, in serum from a patient with hepatocellular carcinoma.
Serum from a patient with hepatocellular carcinoma contained an abnormal isoenzyme of lactate dehydrogenase (LDH; EC 1.1.1.27), LDH-1ex, that on electrophoresis on 10-g/L agarose gel migrated anodally to the LDH-1 band. This isoenzyme was partly purified by ultrafiltration and preparative electrophoresis. Gel chromatography and sodium dodecyl sulfate/polyacrylamide gel electrophoresis studies o...
متن کاملIncreased lactate dehydrogenase isoenzyme 1 in serum and tumor tissue of a patient with small-cell carcinoma.
Histological examination of supraclavicular lymph node tissue obtained at biopsy from a 63-year-old man disclosed metastatic small-cell carcinoma. On admission and for four days subsequently, total lactate dehydrogenase (LD; EC 1.1.1.27) activity in serum was 6.5 times normal; studies of LD isoenzyme showed persistently increased LD-1, with LD-1 greater than LD-2. Isoenzyme electrophoresis of t...
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ژورنال
عنوان ژورنال: Clinical Chemistry
سال: 1983
ISSN: 0009-9147,1530-8561
DOI: 10.1093/clinchem/29.8.1552