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Elevation of serum soluble intercellular adhesion molecule-1 (sICAM-1) and beta-2-microglobulin in Sjögren's syndrome (1997)

Krejsek, J. ; Slezák, R. ; Kopecky, O. ; [et al.]

Springer

Clinical rheumatology 16 (1997), S. 149-153

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ISSN: 1434-9949

Keywords: Sjögren's Syndrome ; Immunity ; sICAM-1 ; Beta-2-microglobulin ; Correlation

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Summary Sjögren's syndrome is a chronic inflammatory disease which is believed to be immunologically mediated. It is marked by inflammation and destruction of the salivary glands and lacrimal glands. We have found significantly higher serum levels of sICAM-1 and beta-2-microglobulin in both primary Sjögren's syndrome patients (429.1±114.33 ng/ml, 4.4±1.5 ug/ml resp.) and secondary Sjögren's syndrome patients (424±140.73 ng/ml, 4.4±2.67 ug/ml resp.) in comparison with healthy controls (189.1±42.34 ng/ml, 1.3±0.38 ug/ml resp.). The serum level of beta-2-microglobulin was significantly correlated with the serum level of sICAM-1 in secondary Sjögren's syndrome patients' group.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02247843

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Assays of urea and arginase with a biocatalytic membrane electrode operating on conductimetric principle (1989)

Macholán, L. ; Filípek, J. ; Andrýs, C.

Berlin : Wiley-Blackwell

Acta Biotechnologica 9 (1989), S. 369-377

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ISSN: 0138-4988

Keywords: Life Sciences ; Life Sciences (general)

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Process Engineering, Biotechnology, Nutrition Technology

Notes: A bioelectrode consisting of two parallel noble metal nets and a thin layer of gel-entrapped urease between them permits to determine urea conductimetrically with a response time 3-5 min and reproducibility 5-6% above 60 micromolar concentration of urea. Differential measurement eliminates the interference due to conductive components of the real sample. Evidence has been obtained for extended application of the method by using immobilized microbial cells or tissue slice as biocatalyst in place of the immobilized purified enzyme. It is also suitable for simple kinetical assaying arginase activity in the tissue extracts.

Additional Material: 7 Ill.