[Analysis of the results of surgical treatment of stress-related urinary incontinence by the Marshall-Marchetti-Krantz method in our practice].
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Adult↗
Biomedical subjects
B Banaś
Publications and source records attributed to B Banaś.
Function of phagocytes in experimentally induced colitis in rabbits. I. The Arthus phenomenon in the colon.
Adhesion, random and chemotactic migration, phagocytosis and nitroblue tetrazolium (NBT) dye reduction of peritoneal exudate polymorphonuclear leukocytes (PMN) and macrophages were examined in 110 rabbits with immune complex-mediated colitis and in controls. We may conclude that Arthus-like colitis in rabbits is accompanied by an impairment of adhesion and phagocytosis, and an increase in chemotactic and random migration of both PMN and macrophages. The examined phagocytes were obtained from the peritoneal cavity, and the changes in their function are related much more directly to the presence of circulating immune complexes than to the colitis. The mentioned impairment in their function may be responsible for prolonged persistence of immune complexes in the serum of rabbits with colitis; however, it does not prolong the time of healing of the ulcers.
Animals↗
Function of phagocytes in experimentally induced colitis in rabbits. II. The Shwartzman phenomenon in the colon.
Adhesion, phagocytosis, chemotactic and random migration, nitroblue tetrazolium dye reduction of peritoneal exudate neutrophils and macrophages, fibrinogen level, gelation of soluble fibrin and serial dilution protamine sulfate test were investigated in 115 New Zealand white rabbits with experimentally induced Shwartzman phenomenon in the colon, and in control animals. The results presented in this report demonstrated impairment of chemotactic migration of phagocytes in the presence of endotoxin. The depression was dose-dependent and less marked when neutrophils were stimulated with monocyte-derived chemotactic factor or with casein, than with complement-derived chemotactic factor. The prolonged depression of chemotactic migration of neutrophils and macrophages in rabbits with colitis, however, did not affect the healing time of the ulcers in the colon.
Animals↗
Humoral immune system and ulcerative colitis activity. II. Complement level.
C4, C3 and C5 levels and the complement hemolytic activity were analysed in 84 ulcerative colitis patients and correlated with activity, extension and duration of the disease, with the presence of extraintestinal manifestation, and with therapeutic effects. The elevation of C3 was observed in both mild active and in severe colitis. Only C3 correlated with disease activity and with C-reactive protein level. On the other hand, C4 and C5 levels were significantly decreased in the active disease extended to the left side or to total great bowel. The importance of these findings is discussed. No significant connection of the examined complement components with duration, therapy and extraintestinal manifestation was observed. A trend to increase the complement hemolytic activity in severe colitis was noted. Our study of complement and its components activity suggests the secondary role of analysed parameters in pathogenesis of UC and clinical usefulness of C3 level as an indicator of the disease activity.
Adolescent↗
Human muscle glyceraldehyde-3-phosphate dehydrogenase: reactivity of sulphydryl groups.
1. The kinetics of the reaction of thiol groups of glyceraldehyde-3-phosphate dehydrogenase from human muscle with 5,5'-dithiobis-2-nitrobenzoate (DTNB) was studied spectrophotometrically using the conventional and stopped-flow methods. 2. Each of the three thiol groups present in the enzyme subunit reacts with a different velocity. 3. The reaction with DTNB of the four sulphydryl groups of Cys-149, essential for the enzymatic activity, is biphasic, depends on the amount of NAD bound and is strongly slowed down when one mole of coenzyme is bound to the tetramer. NAD bound is only partially released from the holoenzyme treated with DTNB. 4. In the presence of borate, thiol groups of Cys-153 and Cys-244 do not react with DTNB.
Animals↗
Kinetic studies of the reactivity of the sulfhydryl groups of glyceraldehyde-3-phosphate dehydrogenase.
The reaction of sulfhydryl groups of glyceraldehyde-3-phosphate dehydrogenase from rabbit and pig muscles with a large molar excess of 5,5'-dithiobis(2-nitrobenzoate) (Nbs2) shows three-phasic pseudo-first-order kinetics. Since the fastest reaction between active cysteine-149 and Nbs2 is apparently biphasic, half-of-the-sites reactivity towards Nbs2 is suggested. Further sulfhydryl groups become reactive as an effect of conformational changes in the protein molecule after formation of a mixed disulfide on cysteine-149. In the presence of 40 mM borate the reaction is biphasic only, and two sulfhydryl groups per subunit react very quickly. The bound NAD+ is only partially released even after a long reaction with Nbs2. It was demonstrated that the two NAD+ binding sites with the highest dissociation constants have no significant effect on the reaction between cysteine-149 and Nbs2.
Animals↗