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Copyright of Česká a Slovenská Neurologie a Neurochirurgie is the property of Czech Medical Association of JE Purkyne and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Klinická Biochemie a Metabolismus is the property of Czech Medical Association of JE Purkyne and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Cystatin C is an inhibitor of lysosomal proteases and extracellular cysteine protease, it participates in the regulation of metabolism of extracellular proteins. It is fully glomerular filterable, completely absorbed and catabolised in proximal tubule cells. NGAL (neutrophil gelatinase-associated lipocalin) is an acute phase protein, participating in antibacterial immunity and his important feature is the formation of complex with metalloproteinase 9 (MMP-9), thereby increasing its activity and prevents its degradation. NGAL is freely filtered across the glomerular membrane and is reabsorbed by endocytosis in the proximal tubule. NGAL detected in urine is produced mainly in the distal nephron. The serum cystatin C and NGAL can diagnose acute renal impairment one or two days earlier in the comparison with the monitoring of renal function by serum creatinine. Moreover, compared with the information provided by creatinine or by estimated GFR, the elevated cystatin C gives, in patients with cardiovascular disease, information about worse prognosis. Increased level of NGAL was detected in patients with acute myocardial infarction, heart failure or stroke. There is a lack of data about the prognostic significance of NGAL in patients after myocardial infarction or heart failure, no data about their comparison or interaction with natriuretic peptides exists up today.

Introduction: Determination of M30 antigen appears to be a sensitive method for evaluation of hepatocyte apoptosis. The aim of the present project was to implement this technique, compare M30 values in patients with a liver disease and healthy controls and to identify potential relationships between M30 values and other parameters., Methods: M30 antigen was assessed in 25 patients with a liver disease and 30 healthy controls. These results were compared between patients with a liver disease and the controls and correlated to a range of clinical and laboratory values, including tissue polypeptide-specific antigen (TPS), in patients with a liver disease., Results: We found significant differences in M30 values between controls and patients with a liver disease. The only significant correlations were the correlation between M30 and ALT, highly significant correlation between M30 and AST and highly significant correlation between M30 and TPS., Conclusion: The M30 antigen is a sensitive indicator of liver damage. Considering the highly significant correlation with TPS, it can be assumed that in some liver diseases, TPS could serve as a clinically useful indicator of apoptosis.