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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhutova O. N., Stoyanov K. N.
Заглавие : Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis
Место публикации : Aquac. Int.: Springer Science and Business Media Deutschland GmbH, 2021. - Article in press. - ISSN 09676120 (ISSN), DOI 10.1007/s10499-021-00755-w
Аннотация: Long-chain polyunsaturated fatty acids of n-3 family (n-3 LC PUFAs) are physiologically essential compounds required for normal growth and development of animals, including humans. The ability of fish species to synthesize n-3 LC PUFAs varies significantly across different trophic levels. We have studied fatty acid (FA) content (mg/g of wet weight) and level (% of total FAs) in the brain, liver, heart, intestine, female and male gonads, muscle, and adipose tissues of commercially important wild freshwater Baikal grayling. Additionally, FA content and level of Baikal grayling juveniles have been studied. In all tissues of Baikal grayling, some LC PUFAs, namely, 24:5n-3 and 24:6n-3 (C24 PUFAs), have been found. These FAs are the intermediate products in the synthesis of docosahexaenoic acid (DHA, 22:6n-3) by the Sprecher pathway. The levels of C24 PUFAs in tissues differed significantly: the highest levels of C24 PUFAs were found in adipose tissue and the lowest values in the gonads of females, liver, brain, and head of juveniles. According to the dynamics of DHA and C24 PUFAs, the maximum rate of DHA synthesis is achieved in brain of Baikal grayling, while the lowest rate of DHA synthesis probably occurs in adipose tissue. Although all studied tissues had differences in the number of FAs and their levels, 16:0, 18:1n-9, 16:1n-7, 20:5n-3, and DHA dominated. Male gonads contained an extremely high level of furan FAs — presumably beneficial substances for human health. Additionally, the nutritional value of the tissues of Baikal grayling as a source of n-3 LC PUFAs for humans has been estimated. © 2021, The Author(s), under exclusive licence to Springer Nature Switzerland AG.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhutova, Olesia N., Stoyanov, Kirill N.
Заглавие : Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis
Колич.характеристики :19 с
Коллективы : Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [20-04-00594]; Russian FederationRussian Federation [51.1.1]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]
Место публикации : Aquac. Int.: SPRINGER, 2021. - Article in press. - ISSN 0967-6120, DOI 10.1007/s10499-021-00755-w. - ISSN 1573-143X(eISSN)
Примечания : Cited References:75. - The research was funded by a grant from the Russian Foundation for Basic Research (RFBR) N 20-04-00594, by the state assignment within the framework of the Basic Research Program of the Russian Federation (topic no. 51.1.1) and the state assignment of the Ministry of Science and Higher Education of the Russian Federation to Siberian Federal University in 2020 (Project no. FSRZ-2020-0006 "Biologically active substances in environmental, biotechnological and medical systems").
Предметные рубрики: COD GADUS-MORHUA
DOCOSAHEXAENOIC ACID
SEASONAL DYNAMICS
FISH
Аннотация: Long-chain polyunsaturated fatty acids of n-3 family (n-3 LC PUFAs) are physiologically essential compounds required for normal growth and development of animals, including humans. The ability of fish species to synthesize n-3 LC PUFAs varies significantly across different trophic levels. We have studied fatty acid (FA) content (mg/g of wet weight) and level (% of total FAs) in the brain, liver, heart, intestine, female and male gonads, muscle, and adipose tissues of commercially important wild freshwater Baikal grayling. Additionally, FA content and level of Baikal grayling juveniles have been studied. In all tissues of Baikal grayling, some LC PUFAs, namely, 24:5n-3 and 24:6n-3 (C24 PUFAs), have been found. These FAs are the intermediate products in the synthesis of docosahexaenoic acid (DHA, 22:6n-3) by the Sprecher pathway. The levels of C24 PUFAs in tissues differed significantly: the highest levels of C24 PUFAs were found in adipose tissue and the lowest values in the gonads of females, liver, brain, and head of juveniles. According to the dynamics of DHA and C24 PUFAs, the maximum rate of DHA synthesis is achieved in brain of Baikal grayling, while the lowest rate of DHA synthesis probably occurs in adipose tissue. Although all studied tissues had differences in the number of FAs and their levels, 16:0, 18:1n-9, 16:1n-7, 20:5n-3, and DHA dominated. Male gonads contained an extremely high level of furan FAs - presumably beneficial substances for human health. Additionally, the nutritional value of the tissues of Baikal grayling as a source of n-3 LC PUFAs for humans has been estimated.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Chang D., Liu Y., Chen Y., Hu X., Burov A., Puzyr A., Bondar V., Yao L.
Заглавие : Study of the immunogenicity of the VP2 protein of canine parvovirus produced using an improved Baculovirus expression system
Место публикации : BMC Vet. Res.: BioMed Central Ltd., 2020. - Vol. 16, Is. 1. - Ст.202. - ISSN 17466148 (ISSN), DOI 10.1186/s12917-020-02422-3
Аннотация: Background: Canine parvovirus (CPV) is now recognized as a serious threat to the dog breeding industry worldwide. Currently used CPV vaccines all have their specific drawbacks, prompting a search for alternative safe and effective vaccination strategies such as subunit vaccine. VP2 protein is the major antigen targeted for developing CPV subunit vaccine, however, its production in baculovirus expression system remains challenging due to the insufficient yield. Therefore, our study aims to increase the VP2 protein production by using an improved baculovirus expression system and to evaluate the immunogenicity of the purified VP2 protein in mice. Results: The results showed that high-level expression of the full length VP2 protein was achieved using our modified baculovirus expression system. The recombinant virus carrying two copies of VP2 gene showed the highest expression level, with a productivity of 186 mg/L, which is about 1.4-1.6 fold that of the recombinant viruses carrying only one copy. The purified protein reacted with Mouse anti-His tag monoclonal antibody and Rabbit anti-VP2 polyclonal antibody. BALB/c mice were intramuscularly immunized with purified VP2 protein twice at 2 week intervals. After vaccination, VP2 protein could induce the mice produce high level of hemagglutination inhibition antibodies. Conclusions: Full length CPV VP2 protein was expressed at high level and purified efficiently. Moreover, it stimulated mice to produce high level of antibodies with hemmaglutination inhibition properties. The VP2 protein expressed in this study could be used as a putative economic and efficient subunit vaccine against CPV infection. © 2020 The Author(s).
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T. G., Shumilova A. A., Nikolaeva E. D., Kirichenko A. K., Shishatskaya E. I.
Заглавие : Biotechnological wound dressings based on bacterial cellulose and degradable copolymer P(3HB/4HB)
Место публикации : Int. J. Biol. Macromol.: Elsevier B.V., 2019. - Vol. 131. - С. 230-240. - ISSN 01418130 (ISSN) , DOI 10.1016/j.ijbiomac.2019.03.068
Примечания : Cited By :1
Ключевые слова (''Своб.индексиров.''): bacterial cellulose--composites--polyhydroxyalkanoates--3 hydroxybutyric acid 4 hydroxybutyric acid copolymer--actovegin--bacterial cellulose--cellulose--collagen type 1--copolymer--cytokeratin 10--cytokeratin 14--solcoseryl--unclassified drug--angiogenesis--animal cell--animal experiment--animal model--animal tissue--biochemical analysis--biocompatibility--burn--cell growth--controlled study--cutaneous parameters--differential scanning calorimetry--drug release--elemental analysis--female--fibroblast--histopathology--in vitro study--in vivo study--inflammation--mechanics--nonhuman--rat--review--wound healing--wound planimetry--x ray analysis
Аннотация: Hybrid wound dressings have been constructed using two biomaterials: bacterial cellulose (BC) and copolymer of 3-hydroxybutyric and 4-hydroxybutyric acids [P(3HB/4HB)] – a biodegradable polymer of microbial origin. Some of the experimental membranes were loaded with drugs promoting wound healing and epidermal cells differentiated from multipotent adipose-derived mesenchymal stem cells. A study has been carried out to investigate the structure and physical/mechanical properties of the membranes. The in vitro study showed that the most effective scaffolds for growing fibroblasts were composite BC/P(3HB/4HB) films loaded with actovegin. Two types of the experimental biotechnological wound dressings – BC/P(3HB/4HB)/actovegin and BC/P(3HB/4HB)/fibroblasts – were tested in vivo, on laboratory animals with model third-degree skin burns. Wound planimetry, histological examination, and biochemical and molecular methods of detecting factors of angiogenesis, inflammation, type I collagen, and keratin 10 and 14 were used to monitor wound healing. Experimental wound dressings promoted healing more effectively than VoskoPran – a commercial wound dressing. © 2019
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhrov A. A., Artamonova V. S., Murza I. G., Pashkov A. N., Ponomareva M. V., Reshetnikov S. I., Christoforov O. L.
Заглавие : Ecological Forms of Black Sea Brown Trout (Salmo trutta labrax) in the Mzymta River as Manifestation of Ontogenetic Plasticity
Колич.характеристики :11 с
Коллективы : Russian Scientific Foundation [16-14-10001]
Место публикации : Russ. J. Dev. Biol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 49, Is. 2. - С. 117-127. - ISSN 1062-3604, DOI 10.1134/S1062360418020054. - ISSN 1608-3326(eISSN)
Примечания : Cited References:77. - This study was supported by the Russian Scientific Foundation, project no. 16-14-10001.
Предметные рубрики: ATLANTIC SALMON
POPULATIONS
HISTORY
L.
MIGRATION
SURVIVAL
Ключевые слова (''Своб.индексиров.''): salmonidae--brown trout--trout--ontogenesis--migrations--maturation--phenotypic plasticity--gonads--smolts
Аннотация: Populations of brown trout in the Mzymta River and its tributaries include anadromous (mainly female) and resident (mainly males) fish. Some resident males in the basin of the Mzymty River attain sexual maturity at the age 1+, and resident females mature at the age 2+ or 3+. The maximum age of resident fish is 4+ in the samples studied. Migrations of anadromous brown trout to the sea occur at the ages 1+, 2+, or 3+. Future spawners spend from 1 to 4 years at feeding grounds in the sea. Smolts of the population are characterized by performing not only spring but also autumn migrations to the sea. One smolt specimen has been detected upstream from the dam in the river where spawners of anadromous brown trout do not migrate; this means that the capability for sea migrations persists long in the population represented only by resident specimens of brown trout. The diversity of life cycles and ecological forms in populations of brown trout is not lower than in populations of brown trout in Northern and Western Europe. The comparison of the data obtained with published data makes it possible to come to the conclusion about the high plasticity of ontogenesis of Black Sea brown trout.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zadereev E., Lopatina T., Oskina N., Zotina T., Petrichenkov M., Dementyev D.
Заглавие : Gamma irradiation of resting eggs of Moina macrocopa affects individual and population performance of hatchlings
Место публикации : J. Environ. Radioact.: Elsevier Ltd, 2017. - Vol. 175-176. - С. 126-134. - ISSN 0265931X (ISSN) , DOI 10.1016/j.jenvrad.2017.05.002
Ключевые слова (''Своб.индексиров.''): cladocera--life cycle parameters--population performance--resting eggs--?-radiation--gamma rays--irradiation--life cycle--radiation effects--radioactive materials--sediments--cladocera--cycle parameters--dose response relationships--population performance--reproductive rates--resting eggs--sensitive parameter--zooplankton communities--radiation--adolescent--cladocera--contamination--controlled study--dose response--female--gamma irradiation--gamma radiation--hatchling--human--human experiment--life cycle--moina macrocopa--newborn--nonhuman--sediment--zooplankton--animalia--cladocera--moina macrocopa
Аннотация: We investigated the effects of ?-radiation on the survival of resting eggs of the cladoceran Moina macrocopa, on the parameters of the life cycle of neonates hatched from the irradiated eggs and on the performance of the population initiated from irradiated eggs. The study showed that ?-radiation in a range of doses from the background level to 100 Gy had no effect on survival of irradiated eggs. The absorbed dose of 200 Gy was lethal to resting eggs of M. macrocopa. The number of clutches and net reproductive rate (R0) of hatchlings from eggs exposed to radiation were the strongly affected parameters in experiments with individual females. The number of clutches per female was drastically reduced for females hatched from egg exposed to 80–100 Gy. The most sensitive parameter was the R0. The estimated ED50 for the R0 (effective dose that induces 50% R0 reduction) was 50 Gy. Population performance was also affected by the irradiation of the resting stage of animals that initiated population. Populations that was initiated from hatchlings from resting eggs exposed to 100 Gy was of smaller size and with fewer juvenile and parthenogenetic females in comparison with control populations. Thus, we determined the dose-response relationship for the effect of gamma radiation on survival of resting eggs and individual and population responses of hatchlings from irradiated resting eggs. We conclude that for highly polluted areas contamination of bottom sediments with radioactive materials could affect zooplankton communities through adverse chronic effects on resting eggs, which will be transmitted to hatchlings at individual or population levels. © 2017 Elsevier Ltd
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Lepskaya E.V., Sushchik N.N., Makhutova O.N., Kalachova G.S., Malyshevskaya K.K., Markevich G.N.
Заглавие : Comparison of Polyunsaturated Fatty Acids Content in Filets of Anadromous and Landlocked Sockeye Salmon Oncorhynchus Nerka
Место публикации : Journal of Food Science. - 2012. - Vol. 77, Is. 12. - С. C1307-C1310. - ISSN 00221147 (ISSN) , DOI 10.1111/j.1750-3841.2012.02998.x
Ключевые слова (''Своб.индексиров.''): kokanee salmon--polyunsaturated fatty acids--sockeye salmon--docosahexaenoic acid--icosapentaenoic acid--animal--article--body weight--classification--comparative study--female--male--phylogeny--russian federation--salmon--animals--body weight--docosahexaenoic acids--eicosapentaenoic acid--female--male--phylogeny--russia--salmon--oncorhynchus nerka
Аннотация: Abstract: Fatty acid composition and content of 2 forms of sockeye salmon Oncorhynchus nerka from lakes in Kamchatka Peninsula (Russia) were compared. One form of sockeye salmon was anadromous ("marine"), that is, adult fish migrated in ocean to feed and grow and than return in the lake to breed. Fish of another form, kokanee, never migrate in the ocean. Per cent levels of the main indicators of nutritive value, eicosapentaenoic acid (EPA, 20:5n-3), and docosahexaenoic acid (DHA, 22:6n-3), were significantly higher in the landlocked O. nerka. However, concentrations of EPA and DHA per wet weight of filets were higher in the marine form, because of the relatively higher content of sum of fatty acids in their muscle tissue. As concluded, fish fed in marine environment had higher contents of long-chain n-3 fatty acids per wet weight than fish of the same species, fed in fresh waters. In general, both the anadromous sockeye salmon and the landlocked kokanee salmon can be recommended for human diet as a valuable product concerning contents of EPA and DHA. В© 2012 Institute of Food TechnologistsВ®.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Sushchik N.N., Makhutova O.N., Kalachova G.S., Malyshevskaya K.K.
Заглавие : Differences in fatty acid composition of food and tissues of grayling from the Yenisei River
Место публикации : Doklady Biochemistry and Biophysics. - 2012. - Vol. 445, Is. 1. - С. 194-196. - ISSN 16076729 (ISSN) , DOI 10.1134/S1607672912040035
Ключевые слова (''Своб.индексиров.''): fatty acid--animal--article--female--fish--food analysis--male--metabolism--animals--fatty acids--female--fishes--food analysis--male
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volkova E.N., Zadereev E.S.
Заглавие : Effect of methyl farnesoate on the change of the reproduction mode in Moina macrocopa (Cladocera)
Место публикации : Doklady Biochemistry and Biophysics. - 2012. - Vol. 447, Is. 1. - С. 282-285. - ISSN 16076729 (ISSN) , DOI 10.1134/S1607672912050158
Ключевые слова (''Своб.индексиров.''): farnesoic acid methyl ester--unsaturated fatty acid--animal--article--cladocera--drug effect--female--parthenogenesis--physiology--reproduction--animals--cladocera--fatty acids, unsaturated--female--parthenogenesis--reproduction
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E., Goreva A., Kalacheva G., Volova T.
Заглавие : Biocompatibility and resorption of intravenously administered polymer microparticles in tissues of internal organs of laboratory animals
Место публикации : Journal of Biomaterials Science, Polymer Edition. - 2011. - Vol. 22, Is. 16. - С. 2185-2203. - ISSN 09205063 (ISSN) , DOI 10.1163/092050610X537138
Ключевые слова (''Своб.индексиров.''): 14c products of polymer resorption--intravenous administration--microparticles--resorbable polyhydroxybutyrate--tissues of internal organs--3-hydroxybutyric acid--sup14/supc products of polymer resorption--adverse effect--drug-delivery systems--growth and development--high molecular weight--initial molecular weight--initial values--internal organs--intravenous administration--laboratory animals--local response--matrix--mean diameter--micro-particles--polymer degradation--polymer microparticles--preparation process--radioactivity level--residual content--resorbable--sustained-release--tail veins--wistar rat--animals--biocompatibility--degradation--histology--molecular weight--morphology--radiation--radioactivity--rats--tissue--poly(3 hydroxybutyric acid)--animal experiment--animal tissue--article--biocompatibility--concentration process--controlled study--degradation--drug delivery system--female--gel permeation chromatography--heart--kidney parenchyma--liver--lung parenchyma--molecular weight--nonhuman--organ culture--priority journal--radioactivity--rat--spleen--animals--animals, laboratory--biocompatible materials--drug delivery systems--female--infusions, intravenous--materials testing--microspheres--molecular weight--particle size--polymers--rats--rats, wistar--tissue distribution--animalia--rattus--rattus norvegicus
Аннотация: Specimens of 14C-labeled polymer of 3-hydroxybutyric acid, P(3-HB), with different initial molecular weights, were used to prepare microparticles, whose morphology was not influenced by the M w of the polymer. During the particle preparation process, P(3-HB) molecular weight decreased by 15-20%. Sterile microparticles (mean diameter 2.4 ?m) were injected into the tail veins of Wistar rats (5 mg/rat). The effects of the particles administered to rats were studied based on the general response of animals and local response of internal organ tissues and blood morphology; no adverse effects on growth and development of the animals or unfavorable changes in the structure of the tissues of internal organs were observed. Measurements of radioactivity in tissues showed that 14C concentrations are different in different organs, changing during the course of the experiment. The main targets for 14C-labeled microparticles were tissues of the liver, spleen, and kidneys. Comparison of radioactivity levels and residual contents of high-molecular-weight matrix in tissues suggested that the most rapid metabolism and degradation of P(3-HB) occurred in the liver and spleen. Gel-permeation chromatography showed that at 3 h after the microparticles were injected into the bloodstream, polymer degradation started in all examined organs, except the lungs; at 12 weeks, the M w of the polymer matrix was as low as 20-30% of its initial value. The presence of high-molecular-weight (undegraded) polymer in the tissues at 12 weeks after administration of the particles suggests that P(3-HB) is degraded in tissues of internal organs slowly and, hence, P(3-HB)-based microparticles can be used as sustained-release drug-delivery systems. В© 2011 VSP.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Kharitonov A.Y., Popova O.N., Sushchik N.N., Makhutova O.N., Kalacheva G.S.
Заглавие : Quantitative estimation of dragonfly role in transfer of essential polyunsaturated fatty acids from aquatic to terrestrial ecosystems
Место публикации : Doklady Biochemistry and Biophysics. - 2011. - Vol. 438, Is. 1. - С. 141-143. - ISSN 16076729 (ISSN) , DOI 10.1134/S1607672911030094
Ключевые слова (''Своб.индексиров.''): unsaturated fatty acid--animal--article--chemistry--ecosystem--female--insect--male--animals--ecosystem--fatty acids, unsaturated--female--insects--male--anisoptera (dragonflies)
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Lepskaya E.V., Sushchik N.N., Makhutova O.N., Kalacheva G.S.
Заглавие : Differences in fatty acid composition between smolts of Sockeye Salmon and adults migrated from sea to lake for spawning
Место публикации : Doklady Biochemistry and Biophysics. - 2010. - Vol. 430, Is. 1. - С. 29-32. - ISSN 16076729 (ISSN) , DOI 10.1134/S1607672910010096
Ключевые слова (''Своб.индексиров.''): fatty acid--fresh water--sea water--animal--article--chemistry--cytology--female--male--metabolism--muscle--physiology--population migration--reproduction--salmon--sea--animal migration--animals--fatty acids--female--fresh water--male--muscles--oceans and seas--reproduction--salmon--seawater--oncorhynchus nerka
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E.I., Goreva A.V., Voinova O.N., Kalacheva G.S., Volova T.G.
Заглавие : Distribution and resorption of polymeric microparticles in visceral organs of laboratory animals after intravenous injection
Место публикации : Bulletin of Experimental Biology and Medicine. - 2009. - Vol. 148, Is. 5. - С. 789-793. - ISSN 00074888 (ISSN) , DOI 10.1007/s10517-010-0817-3
Ключевые слова (''Своб.индексиров.''): 14c--intravenous injection--microparticles--resorbable polyhydroxybutyrate--visceral tissues--carbon 14--microsphere--polyhydroxyaminobutyric acid--polymer--unclassified drug--animal experiment--animal tissue--article--biocompatibility--biodegradability--body growth--controlled drug release--controlled study--degradation kinetics--drug delivery system--drug dosage form--experimental animal--female--liver parenchyma--molecular weight--nonhuman--particle size--physical development--radioactivity--rat--spleen--tissue distribution--tissue structure--animals--animals, laboratory--carbon radioisotopes--female--injections, intravenous--particle size--polymers--rats--rats, wistar--tissue distribution--viscera--animalia
Аннотация: Microparticles obtained by using 14C-labeled resorbable hydroxyaminobutyric acid polymer were injected into the caudal vein of laboratory animals without negative aftereffects for their growth and development and without changes in the macro- and microstructure of organs and tissues. The distribution of microparticles in the viscera and the dynamics of accumulation of carbon-containing polymer degradation products in the viscera were studied. The main targets for the particles are liver tissues, as well as renal and splenic tissues. The polymeric matrix of the microparticles is most actively destroyed in the spleen and liver. The presence of high-molecular- weight polymeric matrix in organs indicates the integrity of microparticles and the possibility of long-term (up to 12 weeks) functioning of polymeric particles in vivo. В© 2009 Springer Science+Business Media, Inc.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zadereev E.S., Prokopkin I.G.
Заглавие : Role of diapause in coexistence of zooplankton species: Model analysis
Место публикации : Doklady Biological Sciences. - 2007. - Vol. 412, Is. 1. - С. 73-75. - ISSN 00124966 (ISSN) , DOI 10.1134/S0012496607010243
Ключевые слова (''Своб.индексиров.''): animal--article--biological model--cladocera--ecosystem--female--growth, development and aging--oocyte--physiology--population dynamics--reproduction--zooplankton--animals--cladocera--ecosystem--female--models, biological--ovum--population dynamics--reproduction--zooplankton
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E.I., Voinova O.N., Goreva A.V., Mogilnaya O.A., Volova T.G.
Заглавие : Tissue reaction to intramuscular injection of resorbable polymer microparticles
Место публикации : Bulletin of Experimental Biology and Medicine. - 2007. - Vol. 144, Is. 6. - С. 786-790. - ISSN 00074888 (ISSN) , DOI 10.1007/s10517-007-0432-0
Ключевые слова (''Своб.индексиров.''): microencapsulation--polyhydroxybutyrate--resorbable polymers--tissue reaction--poly(3 hydroxybutyric acid)--polymer--animal experiment--animal tissue--article--cell infiltration--controlled study--drug delivery system--drug formulation--female--giant cell--inflammation--macrophage--microencapsulation--nonhuman--rat--tissue reaction--absorbable implants--animals--drug compounding--female--foreign-body reaction--injections, intramuscular--microspheres--polyesters--rats--rats, wistar
Аннотация: Tissue reaction to implantation of polymeric microparticles from resorbable polymer (polyhydroxybutyrate) is characterized by slight inflammatory reaction and pronounced progressive macrophage infiltration with the presence of mono-and multinuclear foreign body giant cells resorbing the polymeric matrix. No fibrous capsules were formed around the polymeric microparticles; neither necrosis nor other adverse morphological changes and tissue transformation in response to implantation of the PHB microparticles were recorded. The results indicate good prospects of using polyhydroxybutyrate for the construction of long-acting dosage forms as microparticles for intramuscular injection. В© Springer Science+Business Media, Inc. 2007.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sushchik N.N., Gladyshev M.I., Kalachova G.S., Makhutova O.N., Ageev A.V.
Заглавие : Comparison of seasonal dynamics of the essential PUFA contents in benthic invertebrates and grayling Thymallus arcticus in the Yenisei river
Место публикации : Comparative Biochemistry and Physiology - B Biochemistry and Molecular Biology. - 2006. - Vol. 145, Is. 3-4. - С. 278-287. - ISSN 10964959 (ISSN) , DOI 10.1016/j.cbpb.2006.05.014
Ключевые слова (''Своб.индексиров.''): benthic invertebrates--grayling--polyunsaturated fatty acids--riverine food web--essential fatty acid--long chain fatty acid--polyunsaturated fatty acid--amphipoda--animal tissue--annelid worm--article--benthos--chironomidae--comparative study--controlled study--dominant inheritance--ecosystem--evolution--fatty acid analysis--female--fish--fly--invertebrate--larva--male--metabolic regulation--nonhuman--nutrient dynamics--priority journal--river--seasonal variation--statistical significance--thymallus arcticus--animals--fatty acids, unsaturated--food chain--gastrointestinal contents--invertebrates--muscles--rivers--russia--salmonidae--seasons--amphipoda--chironomidae--diptera--gammaridae--invertebrata--oligochaeta (metazoa)--thymallus arcticus--trichoptera
Аннотация: Seasonal dynamics of contents of essential polyunsaturated fatty acids (PUFA) in dominant groups of benthic invertebrates: gammarids (Gammaridae, Amphipoda), oligochaetes (Oligochaeta), chironomid larvae (Chironomidae, Diptera) and caddisfly larvae (Trichoptera), and dominant benthivorous fish, Siberian grayling Thymallus arcticus, have been studied in ecosystem of the large Siberian river. During the year of the study most benthic invertebrate taxa showed significant variations in the contents of both C-18 and long chain C-20-22 PUFAs. In contrast, the fish, which consumed the zoobenthos, had no significant seasonal variations in long chain PUFAs' contents. Thereby, the fish, as organisms of relatively higher evolution level than invertebrates, was supposed to have more strict metabolic control of long chain PUFAs' contents. Evidence was obtained that the studied fish species, grayling, may be capable to convert dietary EPA into DHA. В© 2006 Elsevier Inc. All rights reserved.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E.I., Volova T.G., Puzyr A.P., Mogilnaya O.A., Efremov S.N.
Заглавие : Tissue response to the implantation of biodegradable polyhydroxyalkanoate sutures
Место публикации : Journal of Materials Science: Materials in Medicine. - 2004. - Vol. 15, Is. 6. - С. 719-728. - ISSN 09574530 (ISSN) , DOI 10.1023/B:JMSM.0000030215.49991.0d
Ключевые слова (''Своб.индексиров.''): necrosis--polymeric implants--suppurative inflammation--tissue reaction--biodegradation--calcification (biochemistry)--cells--copolymers--implants (surgical)--silk--tissue--tumors--materials science--acid phosphatase--copolymer--poly(3 hydroxybutyric acid)--polyhydroxyalkanoic acid--polyhydroxyvaleric acid--unclassified drug--animal experiment--animal model--article--biodegradable implant--blood vessel reactivity--catgut--controlled study--enzyme activity--female--giant cell--histochemistry--inflammation--macrophage--nonhuman--priority journal--rat--silk--suture--tensile strength--tissue reaction--tissue structure--wound healing--young modulus--absorbable implants--animals--female--fibrosis--foreign-body reaction--hydroxybutyrates--muscle, skeletal--polyesters--polymers--rats--rats, wistar--sutures--treatment outcome--wounds, penetrating--animalia
Аннотация: Polyhydroxyalkanoate (PHA) sutures were implanted to test animals intramuscularly, and tissue reaction was investigated and compared with the reaction to silk and catgut. Tested monofilament sutures made of PHAs of two types polyhydroxybutyrate (PHB) and a copolymer of hydroxybutyrate and hydroxyvalerate (PHV) featured the strength necessary for the healing of muscle-fascial wounds. The reaction of tissues to polymeric implants was similar to their reaction to silk and was less pronounced than the reaction to catgut; it was expressed in a transient post-traumatic inflammation (up to four weeks) and the formation of a fibrous capsule less than 200 ?m thick, which became as thin as 4060 ?m after 16 weeks, in the course of reverse development. Macrophages and foreign-body giant cells with a high activity of acid phosphatase were actively involved in this process. PHB and PHB/PHV sutures implanted intramuscularly for an extended period (up to one year) did not cause any acute vascular reaction at the site of implantation or any adverse events, such as suppurative inflammation, necrosis, calcification of the fibrous capsule or malignant tumor formation. No statistically significant differences were revealed in the tissue response to polymer sutures of the two types. Capsules around silk and catgut sutures did not become significantly thinner.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Remmel N.N., Kratasyuk V.A., Maznyak O.M., Inzhevatkin E.V., Nefedov V.P.
Заглавие : Bioluminescent analysis of intensity of pathological oxidative processes in cells of perfused rat liver after hyperthermia
Место публикации : Bulletin of Experimental Biology and Medicine. - 2003. - Vol. 135, Is. 1. - P43-45. - ISSN 00074888 (ISSN) , DOI 10.1023/A:1023489727703
Ключевые слова (''Своб.индексиров.''): bioluminescent analysis--controlled perfusion of isolated liver--hyperthermia oxidative stress--thiobarbituric acid reactive substance--animal experiment--animal model--animal tissue--article--bioluminescence--concentration (parameters)--controlled study--correlation analysis--female--hyperthermia--in vivo study--lipid peroxidation--liver metabolism--liver perfusion--male--nonhuman--oxidative stress--oxygen consumption--pathology--rat--thermal exposure--animals--female--hepatocytes--hyperthermia, induced--liver--luminescent measurements--male--oxidative stress--perfusion--rats--animalia
Аннотация: We studied the possibility of evaluation of the intensity of pathological oxidative processes in rat liver using an integral bioluminescent test with controlled perfusion of the isolated organ. The test revealed a significant correlation between the level of TBA-reactive products and bioluminescence intensity.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E.I., Volova T.G., Gitelson I.I.
Заглавие : In vivo toxicological evaluation of polyhydroxyalkanoates.
Место публикации : Doklady Biological Sciences. - 2002. - Vol. 383, Is. 1-6. - С. 109-111. - ISSN 00124966 (ISSN)
Ключевые слова (''Своб.индексиров.''): alkane--animal--animal behavior--article--cytology--drug effect--erythrocyte sedimentation rate--female--heart--kidney--liver--lymphoid tissue--male--rat--spleen--wistar rat--alkanes--animals--behavior, animal--blood sedimentation--female--heart--kidney--liver--lymphoid tissue--male--rats--rats, wistar--spleen
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E.I., Volova T.G., Popova T.G.
Заглавие : Study of biological properties of polyhydroxyalkanoates in a long-term experiment in vivo
Место публикации : Biomedical Engineering. - 2002. - Vol. 36, Is. 4. - С. 218-222. - ISSN 00063398 (ISSN) , DOI 10.1023/A:1021136203338
Ключевые слова (''Своб.индексиров.''): hemoglobin--polyhydroxyalkanoic acid--animal experiment--animal tissue--article--biocompatibility--biodegradability--biosynthesis--blood cell count--blood sampling--comparative study--controlled study--dna synthesis--elasticity--enzyme activity--enzyme mechanism--erythrocyte sedimentation rate--female--in vivo study--liver function--nonhuman--organ weight--rat--suture--animalia
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