Biomedical subjects
Publications and source records attributed to L D Voronchikhina.
The content of polyamines in cadaveric bone marrow was measured before and after cryopreservation. The content of some polyamines was found to depend on the morphologic and functional preservation of bone marrow elements. It is concluded that the content of some polyamines may serve as criterion of cell destruction and proliferative potencies of bone marrow.
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The authors reported the results of retrospective analysis of the level of polyamines in urine and the duration of clinicohematological remission in 25 AL children aged 3 to 14. Of this number 23 patients suffered from acute lymphoblastic leukemia, 2--from acute myeloblastic leukemia. Direct correlation between polyamine changes during a course of chemotherapy and the duration of remission was established. Longer duration was observed in the patients in whom a 2-fold rise of the level of all polyamines, especially spermidine, followed the administration of a cytostatic within the first 24-72 h. On the discontinuation of therapy a certain decrease in polyamine excretion with urine was observed in these children as compared to the level determined on their admission to hospital.
Polyamines levels were studied in various tissue specimens obtained from high-leukemia AKR mice aged 12 months and less. Organ tissues of leukemic animals revealed increased levels of polyamines and changes in their profile. In symptomatic mice, this was matched by relevant morphologic changes. It is inferred that putrescine is a marker of latent leukemia development.
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The levels of T- and B-lymphocytes were assayed and their functional activity studied in 23 patients with primary cancer and 21 cases of alveococcosis of liver. The lowered levels of T-lymphocytes in both groups and the decreased C3-fraction of B-lymphocytes in primary cancer of the liver were observed. Considerable changes in serum immunoglobulin system, i. e. an increased level of all immunoglobulins (G, A and M), are reported.
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