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  • Title: [Effect of various antibiotics on the circulation of proteins between the blood and lymph in macro-organisms].
    Author: Polosova RG, Balashev VN.
    Journal: Antibiotiki; 1984 Nov; 29(11):830-4. PubMed ID: 6524882.
    Abstract:
    The effect of tetracycline, amphotericin B and kefzol on distribution of some proteins between the blood and lymph of the thoracic duct was studied on rabbits. Tetracycline was injected intramuscularly in the form of hydrochloride dissolved in 2% novocain in a dose of 25 mg/kg once or daily for 7 and 20 days. Kefzol (sodium cephazolin) was injected intramuscularly in a single dose of 100 mg/kg. Amphotericin B was injected intravenously in a dose of 1000 Units/kg once or for 5 days. The lymph samples were collected from the thoracic duct of rabbits treated with single doses of the antibiotics 1 and 24 hours after their injection. When the animals were treated with the antibiotics repeatedly the lymph samples were collected 24 hours after the last injection. The level of the total protein and the ratio of the protein fractions, i. e. albumins, alpha 1-, alpha 2-, beta- and gamma-globulins in the lymph and blood serum were determined. On the basis of these findings the protein coefficient (albumin/globulin) of the lymph and blood, the coefficients of the protein permeability of the blood vessels (R) and the constants of selective permeability of the blood capillaries (S) were calculated. It was shown that the shifts in the protein circulation between the blood and lymph had mainly the same trends independent of the antibiotics used and their retention time in the host. A significant decrease in the permeability of the blood vessel walls in respect to the total protein and gamma-globulins and a marked increase in their selectivity in passing of the protein molecules of different size were observed in all cases.
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