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Biomedical subjects

M Robak

Publications and source records attributed to M Robak.

6 recordsLinked to original sources
PubMed2001

[Management and outcome of preterm labor in department of obstetrics and pathology of pregnancy school of medicine in Lublin].

OBJECTIVES: We present data of three years experience of management and outcome of preterm labour. MATERIALS AND METHODS: The study comprised 335 pregnant women with preterm labour. We analyzed the pharmacological therapy and way of labour. There were two groups of patients: I group--180 patients who had cesarean delivery, II group--155 patients who had vaginal delivery. RESULTS: It has been found 7.54% more cesarean delivery than vaginal delivery of preterm labour.

Adolescent↗
PubMed2000

[Analysis of twin pregnancies in material from the Department of Obstetrics and Pathology of Pregnancy in Lublin from 1991-1998].

The course of multiple pregnancies and multiple fetus labor were analyzed in 111 women delivered in the Department of Obstetrics, School of Medicine in Lublin in the years 1991-1998. It has been found that the most frequent patients were those aged 25-29 coming from the cities and after the infertility treatment. The aim of this research was to characterize twin pregnant patients, and present the outcome of multiple pregnancy. The studies were performed on 67 women from the cities and 44 women from the villages. It is significant that almost 55% pregnant women underwent the cesarean section and their average birth weight was 2490 g. These results indicate that multiple pregnancy is in high risk pregnancy.

Adult↗
PubMed1985

Activity of helix: destabilizing protein in lymphocytes of patients with glomerulopathies and with chronic renal insufficiency.

The aim of this work was to determine the activity of helix-destabilizing protein (HD-protein), which is indispensable in basic genetic processes such as DNA replication, genetic recombination and transcription, in lymphocytes of patients with different morphological types of glomerulonephritis and with chronic renal insufficiency, treated conservatively and by maintenance hemodialysis. The estimation was done on 44 patients with glomerulonephritis and on 20 patients with chronic renal insufficiency. The control group consisted of 20 healthy individuals. The investigations prove the fact that in human lymphocytes helix-destabilizing protein occurs, and its quantity enables us to determine its activity in the diseased and healthy state. Measurement of HD-protein activity seems to be a good marker of the altered lymphocyte function. Especially high HD-protein activity was noticed in cases of acute glomerulonephritis, lupus glomerulonephritis and in the active forms of chronic glomerulopathies. Generally, the tested parameter showed a positive correlation with the activity of the glomerulonephritic process. In lymphocytes of patients with chronic renal insufficiency treated conservatively, a greater activity of helix-destabilizing protein occurred than in the control group. Lymphocytes from patients with chronic renal insufficiency, treated with repetitive maintenance hemodialysis, did not reveal significant differences in HD-protein activity, determined directly before hemodialysis and after its completion, in comparison to the control group of healthy individuals.

Adolescent↗
PubMed1983

Aldolase and adenosine deaminase activity in lymphocytes of patients with glomerulonephritis.

Studies on the adenosine deaminase (ADA) and aldolase activities in lymphocytes were performed in 67 patients with glomerulonephritis (gn) and in 20 healthy individuals from the control group to get an insight into the lymphocyte metabolism. Statistically significant decrease of ADA activity was found in the groups of patients with chronic proliferative gn, membranoproliferative gn, membranous gn and lupus nephritis in comparison with the healthy individuals from the control group. As far as decrease of aldolase activity is concerned it has reached statistical significance in patients with mesangial gn, membranoproliferative gn, membranous gn and lupus nephritis. The lymphocyte metabolism did not show any abnormalities in the enzymatic indicators only in patients with acute proliferative gn and submicroscopic gn. The activity comparison between both enzymes in the lymphocytes, contrasted on the basis of high and low clinical dynamics of gn, revealed a tendency to lower ADA and aldolase activities in patients with high clinical dynamics. However, this difference was at the limit of statistical significance (p less than or equal to 0.10).

Adenosine Deaminase↗
PubMed1981

Penicillin amidase from Proteus rettgeri.

1. Penicillin amidase from Proteus rettgeri was purified 580-fold by a four-step chromatographic procedure. Titration with phenylmethanesulphonyl fluoride showed that the purified preparation contains 53% of the enzyme. 2. The molecular weight of the amidase was found to be 65.000. The enzyme is strongly inhibited by N-bromosuccinimide and zinc ions. It hydrolyses penicillins, cephalosporins and some synthetic substrates, and in addition it catalyses synthesis of ampicillin from methyl ester of phenylglycine and 6-aminopenicillanic acid. 3. The immobilized amidase obtained by copolymerization of the chemically modified enzyme with acrylamide was applied for preparative hydrolysis of benzylpenicillin.

Amidohydrolases↗