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Results of biomedical investigations of PHB and PHB/PHV fibers / T. Volova [et al.] // Biochemical Engineering Journal. - 2003. - Vol. 16, Is. 2. - P125-133, DOI 10.1016/S1369-703X(03)00038-X . - ISSN 1369-703X
Кл.слова (ненормированные):
Biocompatibility -- Fibers -- Implants -- Poly-3-hydroxybutyrate (PHB) -- Poly-3-hydroxybutyrate-co-poly-3-hydroxyvalerate (PHB/PHV) -- Polyhydroxyalkanoates (PHAs) -- Tissue reaction -- Bacteriology -- Calcification (biochemistry) -- Copolymers -- Flammability -- Tissue -- Tissue response -- Biomedical engineering -- acid phosphatase -- poly(3 hydroxybutyric acid) -- poly(3 hydroxybutyric acid) co poly(3 hydroxyvaleric acid) -- polyhydroxyalkanoic acid -- suture material -- unclassified drug -- animal experiment -- article -- bacterial metabolism -- biochemistry -- biocompatibility -- biomedicine -- calcification -- catgut -- correlation analysis -- dose time effect relation -- enzyme activity -- fascia -- fiber -- foreign body -- functional assessment -- giant cell -- implantation -- in vivo study -- inflammation -- intermethod comparison -- macrophage -- materials testing -- multinuclear cell -- muscle injury -- necrosis -- nonhuman -- parameter -- phagocytosis -- physiology -- postoperative period -- priority journal -- process monitoring -- ralstonia eutropha b 5786 -- scar formation -- silk -- strength -- suture -- synthesis -- tissue reaction -- Wautersia eutropha -- wound healing -- Animalia -- Ralstonia -- Wautersia eutropha
Аннотация: The paper presents the results of biomedical investigations of sutures made of polyhydroxyalkanoates (PHAs) of two types (poly-3-hydroxybutyrate (PHB) and poly-3-hydroxybutyrate-co-poly-3-hydroxyvalerate (PHB/PHV)), synthesized by the bacteria Ralstonia eutropha B 5786 in the experiment on test animals in vivo, in comparison with silk and catgut sutures. PHB and PHB/PHV (PHBV) implants produced no adverse effect on physiological, biochemical and functional parameters of the animals during the post-surgery period. The tested PHA sutures featured the necessary strength throughout the healing period of the muscle-fascial cuts. The reaction of tissues to the implantation of PHB and PHB/PHV fibers fitted into the usual scheme characteristic of the wound process and of the reaction to a foreign-body invasion. This reaction and the reaction of tissues to silk had the similar nature and period of inflammation, but it was much less pronounced than the reaction to catgut. The tissue response to the implantation of PHAs consisted in a short-duration (up to 2 weeks) post-traumatic inflammation and the formation of a fibrous capsule less than 200 ?m thick during weeks 4-8, which in 4-6 months was reduced to 40-60 ?m in the course of reverse development. There were no adverse changes, such as suppurative inflammation, necrosis, calcification, and malignization of the cicatrice, at the site of implantation of PHA filaments, unlike in the cases with silk and catgut. In the case of PHA implantation there was a typical prolonged (throughout the post-surgery monitoring period) pronounced macrophagal stage with a large number of macrophages present. The macrophages were of the phagocytic type and multinucleate giant foreign cells, with a high activity of acid phosphomonoesterase that correlated with the activity of the enzyme in blood. Throughout the period of monitoring no differences in the tissue response to the implantation of the polymer filaments of two PHA types were recorded. В© 2003 Elsevier Science B.V. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 60036, Russian Federation
Inst. Transplantology Artif. Organs, Russian Ministry of Health, Shchukinskaya 1, 123182 Moscow, Russian Federation
Terr. Pathological Anatomy Bureau, Partisan Zheleznyak St. 1, Krasnoyarsk 660049, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Volova, T.; Shishatskaya, E.; Sevastianov, V.; Efremov, S.; Mogilnaya, O.

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Effect of hypoxemia on erythropoietic activity of perfused organs / I. I. Gitelzon, V. P. Nefedov, V. V. Mezhevikin // Byulleten Eksperimentalnoi Biologii i Meditsiny. - 1977. - Vol. 84, Is. 7. - С. 23-24 . - ISSN 0365-9615
Кл.слова (ненормированные):
animal -- bone marrow -- cell proliferation -- erythropoiesis -- histology -- hypoxemia -- injury -- mammal -- perfusion fluid -- theoretical study -- article -- dog -- kidney -- liver -- metabolism -- perfusion -- spleen -- sternum -- erythropoietin -- Animal -- Anoxemia -- Dogs -- English Abstract -- Erythropoietin -- Kidney -- Liver -- Perfusion -- Spleen -- Sternum

Scopus
Держатели документа:
L.V. Kirensky Inst. Phys., Siberian Branch USSR Acad. Sci., Krasnoyarsk, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gitelzon, I.I.; Nefedov, V.P.; Mezhevikin, V.V.

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Dobutamine prevents experimental postintoxication liver cirrhosis in mice [Text] / A. P. Vinokurov, A. V. Eremeev, N. A. Setkov // Bull. Exp. Biol. Med. - 2002. - Vol. 134, Is. 1. - P. 43-46, DOI 10.1023/A:1020604621142. - Cited References: 14 . - ISSN 0007-4888

РУБ Medicine, Research & Experimental
Рубрики:
GROWTH-FACTOR-BETA
   HEPATIC-FIBROSIS
   RAT HEPATOCYTES
   NOREPINEPHRINE
   INJURY
   CELLS
Кл.слова (ненормированные):
hepatocytes -- dobutamine -- proliferation -- liver cirrhosis
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 proliferation. 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.

WOS
Держатели документа:
Krasnoyarsk State Med Acad, Dept Gen Surg, Krasnoyarsk, Russia
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

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

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The current dressings for wound care in the treatment of purulent wounds / I. S. Vinnik [и др.] // Nov. Khir. - 2015. - Vol. 23, Is. 5. - С. 552-558, DOI 10.18484/23050047.2015.5.552 . - ISSN 1993-7512
Кл.слова (ненормированные):
Biocompatible materials -- Healing and regeneration -- Purulent wound -- Treatment of wounds -- Wound covering -- Wound dressing -- Wound process
Аннотация: Currently, the patients with purulent wounds account for about 40% of the patients of surgical profilt. Since the treatment of septic wounds under the bandage remains the main method, as it is the most convenient and economically beneficial, but not effective enough, the development of new advanced coatings possessing simultaneously by multiple properties, is considered to be relevant. In the process of wound healing a physician faces with many problems including the issue of the selection option of a wound dressing, as they differ significantly in their design and properties. A disadvantage of many wound dressings for wound care is the adherence to wound. This results in the regenerating tissue injury and the dressings become sore. Many of the positive properties of dressings reduced as a result of damage caused by daily dressings. In recent years the biocompatible materials for injuries and wounds contribute to more effective healing and regeneration. In this regard, the paper presents the main types of current wound dressings used in the treatment of purulent wounds, their properties, indications and methods of applicatio.

Scopus
Держатели документа:
SBEE HPE Krasnoyarsk State Medical University, Named by Prof. V.F. VoynoYasenetsky, Russian Federation
MSH, Road Clinical Hospital on the Station Krasnoyarsk JSC Russian Railways, Russian Federation
FSEI HPE Siberian Federal University, Institute of Biophysics of Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Vinnik, I. S.; Markelova, N. M.; Solov'Eva, N. S.; Shishatskaia, E. I.; Kuznetsov, M. N.; Zuev, A. P.
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