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Evaluation of antitumor activity of rubomycin deposited in absorbable polymeric microparticles / E. I. Shishatskaya [et al.] // Bulletin of Experimental Biology and Medicine. - 2008. - Vol. 145, Is. 3. - P358-361, DOI 10.1007/s10517-008-0091-9 . - ISSN 0007-4888
Кл.слова (ненормированные):
Absorbable polymers -- Ehrlich's ascitic carcinoma -- Microencapsulation -- Polyhydroxybutyrate -- Rubomycin -- poly(3 hydroxybutyric acid) -- polymer -- rubomycin -- animal cell -- animal experiment -- animal model -- antineoplastic activity -- article -- Bagg albino mouse -- cancer inhibition -- cancer mortality -- cancer survival -- controlled study -- drug delivery system -- Ehrlich ascites tumor -- microencapsulation -- mouse -- nonhuman -- polymerization -- survival rate -- tumor cell -- tumor volume -- Absorption -- Animals -- Antibiotics, Antineoplastic -- Carcinoma, Ehrlich Tumor -- Daunorubicin -- Hydroxybutyrates -- Mice -- Mice, Inbred BALB C -- Microspheres -- Polyesters -- Mus
Аннотация: An experimental dosage form of rubomycin is developed: the drug is incorporated in absorbable polymeric (polyhydroxybutyrate) matrix in the form of microparticles. Antitumor efficiency of this rubomycin dosage form was studied in laboratory mice with transplanted Ehrlich ascitic carcinoma. Rubomycin deposited in polymeric microparticles exhibited pronounced antitumor activity, inhibited the proliferative activity of Ehrlich ascitic carcinoma, and improved survival of mice with tumors. This dosage form of the drug can be used for local injections. В© Springer Science+Business Media, Inc. 2008.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division of Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
International Center for Studies of Critical Conditions, Presidium of Krasnoyarsk Research Center of Siberian Division of Russian Academy of Sciences, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Goreva, A.V.; Voinova, O.N.; Inzhevatkin, E.V.; Khlebopros, R.G.; Volova, T.G.

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Microencapculation of daunorubicin with biodegradable polymer matrix / E. I. Shishatskaya // Antibiotiki i Khimioterapiya. - 2007. - Vol. 52, Is. 9-10. - С. 3-8 . - ISSN 0235-2990
Кл.слова (ненормированные):
Daunorubicin -- Microencapsulation -- Polymer matrix -- antineoplastic antibiotic -- daunorubicin -- polyester -- animal -- article -- Bagg albino mouse -- chemistry -- kinetics -- microcapsule -- mouse -- particle size -- Animals -- Antibiotics, Antineoplastic -- Capsules -- Daunorubicin -- Kinetics -- Mice -- Mice, Inbred BALB C -- Particle Size -- Polyesters -- Animalia
Аннотация: Procedure for microencapsulation providing stable formation of high quality microspheres was designed. Conditions for deposition of the anthracycline antibiotic daunorubicin to polymer matrix were developed and microsheres loaded with various quantities of the drug were prepared. The kinetics of the in vitro and in vivo release of daunorubicin from the microsheres was studied. The rate of the rubomycin release to the medium in vitro (balanced phosphate buffer at 37.8В°C) in a 300-hour experiment directly depended on the quantity of the incorporated drug and averaged 0.81 В· 10 -4 to 2.3 В· 10 -4 mcg/mlВ·h. The experiment on laboratory animals with intraperitoneal administration of the rubomycin microsperes showed that the drug remained in the blood and abdominal liquid for a long time (up to 10 days). Possible control of the quantity of the rubomycin encapsulation to the polymer matrix, no sharp efflux of the drug at the early stages of the observation and low rate of the drug release to the medium allowed to conclude that the use of the biodegradable polymer microsperes as carriers of the high toxic antibiotic providing its prolonged action was prospective.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.

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Dobutamine prevents experimental postintoxication liver cirrhosis in mice / A. P. Vinokurov, A. V. Eremeev, N. A. Setkov // Bulletin of Experimental Biology and Medicine. - 2002. - Vol. 134, Is. 1. - P. 43-46, DOI 10.1023/A:1020604621142 . - ISSN 0007-4888
Кл.слова (ненормированные):
Dobutamine -- Hepatocytes -- Liver cirrhosis -- Proliferation -- adrenergic receptor stimulating agent -- alpha 1 adrenergic receptor stimulating agent -- beta 1 adrenergic receptor stimulating agent -- beta 2 adrenergic receptor stimulating agent -- carbon tetrachloride -- catecholamine derivative -- dobutamine -- epidermal growth factor -- animal cell -- animal experiment -- animal model -- animal tissue -- article -- cell activity -- cell culture -- cell death -- cell proliferation -- cell stimulation -- chronic hepatitis -- connective tissue -- controlled study -- disease association -- drug effect -- drug potency -- experimental test -- female -- liver cell -- liver cirrhosis -- liver fibrosis -- liver hyperplasia -- liver necrosis -- liver parenchyma -- liver regeneration -- liver toxicity -- morphology -- mouse -- nonhuman -- toxicity testing -- Adrenergic beta-Agonists -- Animals -- Carbon Tetrachloride -- Cell Division -- Dobutamine -- Dose-Response Relationship, Drug -- Female -- Hepatocytes -- Liver -- Liver Cirrhosis -- Mice -- Mice, Inbred BALB C -- Animalia
Аннотация: Various chronic inflammatory and necrotic processes in the liver parenchyma are accompanied by pathological morphofunctional changes, which are associated with hepatocyte death and hyperplasia of the connective tissue. Regeneration of the liver parenchyma should include not only prevention of fibrosis, but also stimulation of hepatocyte prolifearation. The adrenoceptor agonist dobutamine stimulated proliferative activity of cultured hepatocytes and prevented the development of postintoxication liver cirrhosis in mice produced by chronic poisoning with CCl4.

Scopus
Держатели документа:
Department of General Surgery, Krasnoyarsk State Medical Academy, Krasnoyarsk, Russian Federation
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Vinokurov, A.P.; Eremeev, A.V.; Setkov, N.A.

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