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Biomedical subjects

A Mazur

Publications and source records attributed to A Mazur.

At least 163 records · Page 9Linked to original sources
PubMed1983

[Biological and pharmacological properties of orthosilicic acid and its derivatives and their effect on the body].

Biologically active silicones and high-molecular silicones are subject to increasing interest and application in medicine, pharmacy and veterinary. The work gives a summary of current literature on the simplest, basic, biologically active silicones--orthosilicic acid and its derivatives. Several derivatives that have been worked out in Poland are also discussed and the authors presents an initial evaluation of their biological action.

Animals↗
PubMed1981

Long-term treatment of familial hypophosphatemic rickets with oral phosphate and 1 alpha-hydroxyvitamin D3.

Combined treatment with oral phosphate and 1 alpha (OH)D3 was carried out in nine children with familial hypophosphatemic rickets. All nine had positive responses over a four- to six-year period as judged by healing of rickets, change in growth rate, decrease in alkaline phosphatase activity, and symptomatic improvement. In two patients therapy was stopped for a short time because of hypercalcemia. In one patient in whom therapy was effective there was a significant reduction in creatinine clearance which necessitated cessation of treatment. The results of this study suggest that combined treatment with 1 alpha(OH)D3 and oral phosphate is an effective form of therapy for this condition, but that the balancing of these two modalities of therapy in each patient is essential if hypercalcemia and hypercalciuria, on the one hand, and secondary hyperparathyroidism, on the other, are to be avoided. A simple means of balancing these therapeutic modalities is suggested.

Administration, Oral↗
PubMed1976

Nonuniform biosynthesis of multiple hemoglobins in the adult rat and guinea pig.

Separation of adult rat bone marrow cells by the method of thin layer countercurrent distribution permits the analyses of 59Fe-tagged erythroid cells for the various multiple hemoglobins and the assignment of such hemoglobins to erythroid cells at different stages of their development. Of the six adult red cell hemoglobins, hemoglobin 5 is synthesized most actively in the earliest erythroid cell whereas hemoglobin 4 (the major hemoglobin of the red cell) is synthesized most actively in the latest erythroid cells, e.g. the reticulocyte. Experimental evidence also indicates that maturation of the erythroid cell is accompanied by a decreased rate of synthesis of hemoglobin 5. The earliest erythroid cells of the marrow contain two hemoglobins, 7 and 8, which are absent in the adult red cell. Similar studies with the guinea pig confirm the nonuniform biosynthesis of its two hemoglobins and suggest that the phenomenon may be a general one among mammalian multiple hemoglobins.

Amino Acid Sequence↗
PubMed1975

Cross-linked hemoglobins as potential plasma protein extenders.

Reaction of hemoglobin solutions with members of a class of diimidate esters leads to the formation of cross-linked intermolecular or intramolecular complexes depending on the relative concentration of hemoglobin and the length of the carbon chain of the imidate esters. The products have a life-span in the circulation of rabbits significantly greater than that of unmodified hemoglobin and it is suggested that they may serve as plasma protein extenders.

Amino Acids↗