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Study of biological properties of polyhydroxyalkanoates in a long-term experiment in vivo / E. I. Shishatskaya, T. G. Volova, T. G. Popova // Biomedical Engineering. - 2002. - Vol. 36, Is. 4. - P218-222, DOI 10.1023/A:1021136203338 . - ISSN 0006-3398
Кл.слова (ненормированные):
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

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

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

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CONFORMATIONAL-ANALYSIS OF A HEMOGLOBIN-GLUTATHIONE MIXED DISULFIDE [Текст] / T. P. SANDALOVA, P. I. BELOBROV // Bioorg. Khim. - 1984. - Vol. 10, Is. 6. - С. 780-791. - Cited References: 19 . - 12. - ISSN 0132-3423

РУБ Biochemistry & Molecular Biology + Chemistry, Organic

: 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
SANDALOVA, T.P.; BELOBROV, P.I.

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CONFORMATIONAL-ANALYSIS OF A HEMOGLOBIN-GLUTATHIONE MIXED DISULFIDE [Текст] / T. P. SANDALOVA, P. I. BELOBROV // Bioorg. Khim. - 1984. - Vol. 10, Is. 6. - P. 780-791. - Cited References: 19 . - ISSN 0132-3423

РУБ Biochemistry & Molecular Biology + Chemistry, Organic

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
SANDALOVA, T.P.; BELOBROV, P.I.

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A SIMPLE SPECTROPHOTOMETRIC PROCEDURE FOR MEASURING THE HEMOGLOBIN-P50 [Текст] / R. A. PAVLENKO, Y. A. KUDENKO // LABORATORNOE DELO. - 1987. - Is. 10. - P. 777-780. - Cited References: 0 . - ISSN 0023-6748

РУБ Medicine, General & Internal

WOS : 660036, Красноярск, Академгородок, д. 50, стр. 50
Доп.точки доступа:
PAVLENKO, R.A.; KUDENKO, Y.A.

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Development and characterization of novel 2 '-F-RNA aptamers specific to human total and glycated hemoglobins / A. Davydova [et al.] // Anal. Biochem. - 2019. - Vol. 570. - P43-50, DOI 10.1016/j.ab.2019.02.004. - Cited References:32. - We want to thank Dr. Alexander Lomzov (ICBFM SB RAS) for his valuable assistance with circular dichroism studies. The work was supported by the Russian Science Foundation (grant number 16-14-10296). . - ISSN 0003-2697. - ISSN 1096-0309

РУБ Biochemical Research Methods + Biochemistry & Molecular Biology
Рубрики:
RNA APTAMER
   SEQUENCES
   PROTEIN
   DNA
Аннотация: Aptamers are short DNA and RNA fragments which bind their molecular targets with affinity and specificity comparable to those of antibodies. Here, we describe the selection of novel 2'-F-RNA aptamers against total human hemoglobin or its glycated form HbA1c. After SELEX and high-throughput sequencing of the enriched libraries, affinities and specificities of candidate aptamers and their truncated variants were examined by the solid-phase bioluminescent assay. As a result, we identified aptamers specific to both hemoglobins or only glycated HbA1c. The developed 2'-F-RNA aptamers have shown their applicability for detection of total and glycated hemoglobin in one sample.

WOS,
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Scopus
Держатели документа:
Inst Chem Biol & Fundamental Med SB RAS, Novosibirsk, Russia.
Krasnoyarsk Sci Ctr SB RAS, Fed Res Ctr, Inst Biophys SB RAS, Krasnoyarsk, Russia.
Novosibirsk State Univ, Dept Nat Sci, Pirogova St 2, Novosibirsk 630090, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Davydova, Anna; Vorobyeva, Mariya; Bashmakova, Eugenia; Vorobjev, Pavel; Krasheninina, Olga; Tupikin, Alexey; Kabilov, Marsel; Krasitskaya, Vasilisa; Frank, Ludmila; Venyaminova, Alya; Krasitskaya, Vasilisa V; Frank, Ludmila A; Russian Science Foundation [16-14-10296]

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The effect of the chemical composition and structure of polymer films made from resorbable polyhydroxyalkanoates on blood cell response / E. I. Shishatskaya, N. G. Menzyanova, A. A. Shumilova // Int. J. Biol. Macromol. - 2019. - Vol. 141. - P765-774, DOI 10.1016/j.ijbiomac.2019.09.015 . - ISSN 0141-8130
Кл.слова (ненормированные):
Blood cell response -- Degradable polyhydroxyalkanoates (PHAs) -- Surface structure and properties
Аннотация: Four PHA types were synthesized in the culture of Cupriavidus eutrophus B-10646 under special conditions, poly(3?hydroxybutyrate) [P(3HB)] and of copolymers, which contained 3HB monomers and 4?hydroxybutyrate (4HB), 3?hydroxyvalerate (3HV), or 3?hydroxyhexanoate (3HHx). All copolymers had the Mw of about 550–670 kDa, and the homopolymer P(3HB) had a significantly higher Mw – 920 kDa. P(3HB?co?4HB) and P(3HB?co?3HHx) had the lowest Cx (42 and 49%) while P(3HB?co?3HV) and P(3HB) exhibited higher Cx values (76%). Polymer films were prepared from different PHAs. Electron microscopy showed differences in the surface microstructure of the films. Films prepared from the P(3HB) were more hydrophobic and the arithmetic mean surface roughness of 71–75 nm, than the copolymer films, which were hydrophilic (57–60°) and had considerably higher roughness (158–177 nm). Blood parameters (hemoglobin and hemolysis) and response of the cells (erythrocytes, platelets, and monocytes) were studied in experiments with blood directly contacting the surface of the films of PHAs with different compositions. Cultivation of blood cells on polymer films did not cause any adverse effects on adhesion and morphology of all cell types. Results of studying blood cell response suggested that the films made from low-crystallinity copolymers containing 4?hydroxybutyrate and 3?hydroxyhexanoate were the best for contact with blood. © 2019 Elsevier B.V.

Scopus,
Смотреть статью
Держатели документа:
Siberian Federal University, 79 Svobodnyi Av, Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Shishatskaya, E. I.; Menzyanova, N. G.; Shumilova, A. A.

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РУБ Biochemistry & Molecular Biology + Chemistry, Applied + Polymer Science
Рубрики:
3-HYDROXYBUTYRATE
   BIOCOMPATIBILITY
   BIOSYNTHESIS
   ADHESION
   STENTS
Кл.слова (ненормированные):
Degradable polyhydroxyalkanoates (PHAs) -- Surface structure and -- properties -- Blood cell response
Аннотация: Four PHA types were synthesized in the culture of Cupriavidus eutrophus B-10646 under special conditions, poly(3 hydroxybutyrate) [P(3HB)] and of copolymers, which contained 3HB monomers and 4 hydroxybutyrate (4HB), 3 hydroxyvalerate (3HV), or 3 hydroxyhexanoate (3HHx). All copolymers had the M-w of about 550-670 kDa, and the homopolymer P(3HB) had a significantly higher M-w - 920 kDa. P(3HB co 4HB) and P(3HB co 3HHx) had the lowest C-x (42 and 49%) while P(3HB co 3HV) and P(3HB) exhibited higher C-x values (76%). Polymer films were prepared from different PHAs. Electron microscopy showed differences in the surface microstructure of the films. Films prepared from the P(3HB) were more hydrophobic and the arithmetic mean surface roughness of 71-75 nm, than the copolymer films, which were hydrophilic (57-60 degrees) and had considerably higher roughness (158-177 nm). Blood parameters (hemoglobin and hemolysis) and response of the cells (erythrocytes, platelets, and monocytes) were studied in experiments with blood directly contacting the surface of the films of PHAs with different compositions. Cultivation of blood cells on polymer films did not cause any adverse effects on adhesion and morphology of all cell types. Results of studying blood cell response suggested that the films made from low-crystallinity copolymers containing 4 hydroxybutyrate and 3 hydroxyhexanoate were the best for contact with blood. (C) 2019 Elsevier B.V. All rights reserved.

WOS
Держатели документа:
Siberian Fed Univ, 79 Svobodnyi Ave, Krasnoyarsk 660041, Russia.
RAS, SB, Krasnoyarsk Sci Ctr, Inst Biophys,Fed Res Ctr, 50-50 Akademgorodok, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Shishatskaya, Ekaterina I.; Menzyanova, Natalia G.; Shumilova, Anna A.; Russian Science FoundationRussian Science Foundation (RSF) [17-15-01352]

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Reporter-recruiting bifunctional aptasensor for bioluminescent analytical assays / A. Davydova, V. Krasitskaya, P. Vorobjev [et al.] // RSC Adv. - 2020. - Vol. 10, Is. 54. - P32393-32399, DOI 10.1039/d0ra05117a. - Cited References:33. - The work was supported by the Russian Science Foundation (grant #16-14-10296), Russian State funded budget projects #AAAA-A17-117020210021-7 to ICBFM SB RAS and #AAAA-A19-119031890015-0 to IBP SB RAS. . - ISSN 2046-2069

РУБ Chemistry, Multidisciplinary
Рубрики:
DNA APTAMER
   RNA APTAMER
   OBELIN
   PURIFICATION
   EXPRESSION
   SEQUENCES
Аннотация: We report a novel bioluminescent aptasensor, which consists of 2 '-F-RNA aptamer modules joined into a bi-specific aptamer construct. One aptamer module binds the analyte, then after structural rearrangement the second module recruits non-covalently Ca2+-dependent photoprotein obelin from the solution, thus providing a bioluminescent signal. This concept allows using free protein as a reporter, which brings such advantages as no need for aptamer-protein conjugation, a possibility of thermal re-folding of aptamer component with no harm to a protein, and simpler detection protocol. We developed the new 2 '-F-RNA aptamer for obelin, and proposed the strategy for engineering structure-switching bi-modular aptamer constructs which bind the analyte and the obelin in a sequential manner. With the use of hemoglobin as a model analyte, we showed the feasibility of utilizing the aptasensor in a fast and straightforward bioluminescent microplate assay. With a proper design of a secondary structure, this strategy of aptasensor engineering might be further extended to bi-specific aptamer-based bioluminescent sensors for other analytes of interest.

WOS
Держатели документа:
SB RAS, Inst Chem Biol & Fundamental Med, Novosibirsk 630090, Russia.
SB RAS, Inst Biophys, Fed Res Ctr, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Novosibirsk State Univ, Pimgova St 2, Novosibirsk 630090, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Davydova, Anna; Krasitskaya, Vasilisa; Vorobjev, Pavel; Timoshenko, Valentina; Tupikin, Alexey; Kabilov, Marsel; Frank, Ludmila; Venyaminova, Alya; Vorobyeva, Mariya; Russian Science FoundationRussian Science Foundation (RSF) [16-14-10296]; Russian State funded budget projects [AAAA-A17-117020210021-7, AAAA-A19-119031890015-0]

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Positive feedback between acidosis and hypoxia during the transition of COVID-19 to a severe form of the disease / D. Lagutkin, D. Semyonov, Y. E. Yegorov [et al.] // FEBS Open Bio. - 2021. - Vol. 11. - P450-450. - Cited References:0 . - ISSN 2211-5463

РУБ Biochemistry & Molecular Biology

Аннотация: SARSCoV2 virus causes disease that has several distinctive characteristics compared to diseases caused by other viruses. We have put forward a hypothesis that relates COVID19 pathogenesis with acidosis, which frequently characterizes severe cases of this disease. It has been shown that hypoxia and acidosis affect the progression of severe COVID19 at various physiological levels such as organs, tissues, and cells. The physiological effects of acidosis and hypoxia range from the level of compensatory capabilities of the whole organism to the functioning of a single hemoglobin molecule. In our work, we consider several mechanisms that link the damaging factors of COVID19 with acidosis. These mechanisms reveal stepbystep processes with a pronounced positive feedback. In accordance with the well known Bohr effect, a decrease in blood pH leads to a drop in blood oxygen saturation. At the same time, this drop in saturation contributes to the further development of acidosis. This indicates a depletion of the body's compensatory capabilities to regulate acidosis and leads to deterioration of the patient's condition. In addition, a decrease in pH can cause conformational changes in the viral Sprotein, followed by changes in ability of some antibodies to recognize the virus. This might lead to the decrease in antibodies affinity and avidity, negatively affecting virus clearance. Low levels of pH and hypoxia in blood and tissues can induce a proinflammatory innate response even in the absence of antigen stimulation. Therefore, hypoxia and acidosis can lead to a restructuring of the immune system and multidirectional pro and antiinflammatory responses, which often, instead of recovery, lead to the disease aggravation.

WOS
Держатели документа:
Russian Acad Sci, Engelhardt Inst Mol Biol, Moscow, Russia.
Voyno Yasenetsky Krasnoyarsk State Med Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk, Russia.
Voronezh State Univ, Voronezh, Russia.
Lomonosov Moscow State Univ, Fac Phys, 1-2 Leninskie Gory, Moscow 119991, Russia.
Russian Acad Sci, Inst Analyt Instrumentat, Moscow, Russia.
Sendai Viralyt LLC, Acton, MA USA.

Доп.точки доступа:
Lagutkin, D.; Semyonov, D.; Yegorov, Y. E.; Lavrinenko, I.; Generalov, E.; Zaitceva, A. Y.; Matveeva, O.; Nechipurenko, Y. D.

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