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A Highly Sensitive and Rapid Method for the Detection of DNA Fragments Using the Photoprotein Obelin as a Reporter [Text] / V. V. Borisova [et al.] // Russ. J. Bioorg. Chem. - 2008. - Vol. 34, Is. 6. - P709-715, DOI 10.1134/S1068162008060101. - Cited References: 13. - This work was supported the program Molecular and Cellular Biology (project no. 10.6), integration grants of the Siberian Division of the Russian Academy of Sciences (73 and 55), CRDF, and the Russian Foundation for Basic Research (project nos. 06-04-49263-a and 06-04-08076-ofi). . - ISSN 1068-1620

РУБ Biochemistry & Molecular Biology + Chemistry, Organic
Рубрики:
BIOLUMINESCENT IMMUNOASSAY
Кл.слова (ненормированные):
obelin -- bioluminescent hybridization assay -- PCR
Аннотация: The recombinant Ca(2+)-activated photoprotein obelin was used as a reporter protein in a solid-phase bioluminescent hybridization DNA assay. Oligonucleotide probes were immobilized on the surface of polymer methacrylate beads or microbiological plates of different types. A 30-mer oligonucleotide or its derivative with the biotin residue on the 3'-terminus, as well as a denatured double-stranded PCR fragment of the hepatitis C virus with the sequence of the 30-mer oligonucleotide was used as a DNA template. The probe in the hybridization complex was labeled by the elongation of the chain using a Taq DNA polymerase in the presence of biotinylated deoxyuridine triphosphate. The results of the bioluminescent assay were compared with the results of colorimetric analysis obtained with alkaline phosphatase as a reporter protein. It was shown that the use of the bioluminescent obelin label substantially accelerates the DNA detection procedure, provides a high sensitivity of the assay (no less than 10(-15) mol of DNA template), and ensures a quantitative determination of the amount of DNA template in the tested sample.

Держатели документа:
[Borisova, V. V.
Frank, L. A.] Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
[Pyshnaya, I. A.
Pyshnyi, D. V.] Russian Acad Sci, Siberian Branch, Inst Chem Biol & Fundamental Med, Novosibirsk 630090, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Borisova, V.V.; Pyshnaya, I.A.; Pyshnyi, D.V.; Frank, L.A.

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Brief exposures of resting fibroblasts to okadaic acid stimulate DNA synthesis [Text] / N. A. Setkov, O. I. Epifanova // Cell Prolif. - 1997. - Vol. 30, Is. 1. - P. 7-19, DOI 10.1111/j.1365-2184.1997.tb00912.x. - Cited References: 32 . - ISSN 0960-7722

РУБ Cell Biology
Рубрики:
PDGF-INDUCED PROLIFERATION
   HAMSTER-EMBRYO CELLS
   PROTEIN-PHOSPHORYLATION
   PHOSPHATASE INHIBITORS
   MOUSE FIBROBLASTS
   3T3 CELLS
   FUSION
   TRANSFORMATION
   INDUCTION
   ARREST
Аннотация: To study further the factors providing for cellular quiescence, we used okadaic acid (OA) at concentrations (0.1, 1, 10 or 100 nM) inhibiting type 1 and/or type 2A protein phosphatases in mammalian cell cultures. Brief (2 h) exposure of resting (0.2% serum for 72 h) NIH 3T3 mouse fibroblasts to OA with subsequent incubation of cells in a medium with 0.2% serum, stimulated DNA synthesis at all concentrations studied. Maximal stimulation was observed following pre-incubation of resting cells with 10 nM OA. Treatment of cycling cells (10% serum) with OA (2 h pulses at 12 h intervals for 72 h) prevented their exit to the resting state on transfer to a medium with 0.2% serum. Brief exposures of resting cells to OA did not affect the rate of protein synthesis. OA pulses in the late pre-replicative period had no effect on the entry of serum-stimulated cells into the S phase. Cell fusion experiments with resting (serum-deprived) and proliferating (serum-stimulated) NIH 3T3 cells, using radioautography with a double-labelling technique, revealed that pre-incubation of resting cells with OA for 2 h before and after fusion abrogates their ability to suppress the onset of DNA synthesis in the nuclei of proliferating cells in heterodikaryons. The results indicate that protein phosphatases of type 1 and/or 2A may be involved in the growth-arrest machinery that provides for cellular quiescence.

WOS
Держатели документа:
VA ENGELHARDT MOL BIOL INST,MOSCOW 117984,RUSSIA
RUSSIAN ACAD SCI,INST BIOPHYS,SIBERIAN BRANCH,KRASNOYARSK,RUSSIA
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Setkov, N.A.; Epifanova, O.I.

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Cultivation of multipotent mesenchymal bone marrow cells on matrixes made of resorbable bioplastotan / E. I. Shishatskaya [и др.] // Cellular Transplantation and Tissue Engineering. - 2013. - Vol. 8, Is. 1. - С. 57-65 . - ISSN 1815-445X
Кл.слова (ненормированные):
Alkaline phosphatase -- Differentiation -- Extracellular calcium precipitates -- Multipotent mesenchymal stromal cells -- Osteopontin -- Resorbable bioplastotan
Аннотация: Series of cell carriers made of resorbable polyester Bioplastotan, which is a copolymer of 3- And 4-hydroxybutyric acid, are characterized in this work. With use of various technologies membranes, 3D scaffolds, and nanomatrixes formed by ultrafine fibers produced with electrostatic spinning were constructed. All types of scaffolds provide adhesion of multipotent mesenchymal stromal cells and are suitable for the cultivation and differentiation of cells in the osteoblastes, that confirmed by detection of extracellular calcium precipitates, alkaline phosphatase activity and osteopontin production in cell culture. В© Human stem cells institute, 2013.

Scopus
Держатели документа:
Siberian Branch, Institute of Biophisycs, RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Siberian Branch, L.V. Kirensky Institute of Physics, RAS, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Nikolaeva, E.D.; Shumilova, A.A.; Shabanov, A.V.; Volova, T.G.

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On the involvement of macrophages and phosphomonoesterases in the tissue response to implantation of polyhydroxyalkanoates. / E. I. Shishatskaya, T. G. Volova, I. I. Gitelson // Doklady Biological Sciences. - 2002. - Vol. 383, Is. 1-6. - P116-119 . - ISSN 0012-4966
Кл.слова (ненормированные):
alkane -- phosphatase -- animal -- article -- comparative study -- foreign body reaction -- macrophage -- metabolism -- physiology -- rat -- Wistar rat -- Alkanes -- Animals -- Foreign-Body Reaction -- Macrophages -- Phosphoric Monoester Hydrolases -- Rats -- Rats, Wistar

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

Доп.точки доступа:
Shishatskaya, E.I.; Volova, T.G.; Gitelson, I.I.

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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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Tissue response to biodegradable suture threads made of polyhydroxyalkanoates / E. I. Shishatskaya [et al.] // Biomedical Engineering. - 2002. - Vol. 36, Is. 4. - P210-217, DOI 10.1023/A:1021184119268 . - ISSN 0006-3398
Кл.слова (ненормированные):
acid phosphatase -- alkaline phosphatase -- polyhydroxyalkanoic acid -- animal experiment -- animal tissue -- article -- biocompatibility -- biodegradability -- controlled study -- elasticity -- enzyme activity -- enzyme mechanism -- female -- histochemistry -- incision -- nonhuman -- physical chemistry -- postoperative period -- rat -- rigidity -- suture -- thickness -- tissue reaction -- wound healing -- Animalia

Scopus
Держатели документа:
Institute of Biophysics, Russian Academy of Sciences, Krasnoyarsk Terr. Bur. Pathol. Anat., Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Volova, T.G.; Efremov, S.N.; Puzyr', A.P.; Mogil'Naya, O.A.

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Tissue response to the implantation of biodegradable polyhydroxyalkanoate sutures [Text] / E. I. Shishatskaya [et al.] // J. Mater. Sci.-Mater. Med. - 2004. - Vol. 15, Is. 6. - P. 719-728, DOI 10.1023/B:JMSM.0000030215.49991.0d. - Cited References: 34 . - ISSN 0957-4530

РУБ Engineering, Biomedical + Materials Science, Biomaterials
Рубрики:
DEGRADATION
   POLYESTERS
   POLYMERS
   FIBERS
   PHB
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 mum thick, which became as thin as 40-60 mum 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. (C) 2004 Kluwer Academic Publishers.

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
Territorial Pathol Anat Bur, Krasnoyarsk 660049, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Volova, T.G.; Puzyr, A.P.; Mogilnaya, O.A.; Efremov, S.N.

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Tissue response to the implantation of biodegradable polyhydroxyalkanoate sutures / E. I. Shishatskaya [et al.] // Journal of Materials Science: Materials in Medicine. - 2004. - Vol. 15, Is. 6. - P719-728, DOI 10.1023/B:JMSM.0000030215.49991.0d . - ISSN 0957-4530
Кл.слова (ненормированные):
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.

Scopus
Держатели документа:
Inst. Biophys. Siberian Br. Russ. A., Akademgorodok, Krasnoyarsk 660036, Russia, Russian Federation
Terr. Pathological Anatomy Bureau, Partisan Zheleznyak St. 1, Krasnoyarsk 660049, Russia, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Volova, T.G.; Puzyr, A.P.; Mogilnaya, O.A.; Efremov, S.N.

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