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Bioluminescent properties of obelin and aequorin with novel coelenterazine analogues [Text] / R. . Gealageas [et al.] // Anal. Bioanal. Chem. - 2014. - Vol. 406, Is. 11. - P2695-2707, DOI 10.1007/s00216-014-7656-4. - Cited References: 57. - R.G. acknowledges the ICSN for a fellowship. We are grateful for the ANR grant to P.B. and a CNRS Physics, Chemistry and Biology interface grant to R.H.D. and P.B.; N.P.M, L.P.B., and E.S.V. acknowledge the RFBR grant 12-04-00131 and the Program of the Government of Russian Federation "Measures to attract leading scientists to Russian educational institutions" (grant 11.G34.31.0058). P.B. and A.J.B. are indebted to Eric Karplus from Science Wares Inc. for helping with single-photon imaging software. . - ISSN 1618-2642. - ISSN 1618-2650

РУБ Biochemical Research Methods + Chemistry, Analytical
Рубрики:
PHOTOPROTEIN OBELIN
   CRYSTAL-STRUCTURE
   CA2+-REGULATED PHOTOPROTEINS
   CA2+-ACTIVATED PHOTOPROTEIN
   SEMISYNTHETIC AEQUORINS
   ANGSTROM RESOLUTION
   RECOMBINANT OBELIN
   BINDING PROTEIN
   CALCIUM-BINDING
   CA2+ DYNAMICS
Кл.слова (ненормированные):
Bioluminescence -- Luciferase -- Photoprotein -- Coelenterazine
Аннотация: The main analytical use of Ca2+-regulated photoproteins from luminous coelenterates is for real-time non-invasive visualization of intracellular calcium concentration ([Ca2+](i)) dynamics in cells and whole organisms. A limitation of this approach for in vivo deep tissue imaging is the fact that blue light emitted by the photoprotein is highly absorbed by tissue. Seven novel coelenterazine analogues were synthesized and their effects on the bioluminescent properties of recombinant obelin from Obelia longissima and aequorin from Aequorea victoria were evaluated. Only analogues having electron-donating groups (m-OCH3 and m-OH) on the C6 phenol moiety or an extended resonance system at the C8 position (1-naphthyl and alpha-styryl analogues) showed a significant red shift of light emission. Of these, only the alpha-styryl analogue displayed a sufficiently high light intensity to allow eventual tissue penetration. The possible suitability of this compound for in vivo assays was corroborated by studies with aequorin which allowed the monitoring of [Ca2+](i) dynamics in cultured CHO cells and in hippocampal brain slices. Thus, the alpha-styryl coelenterazine analogue might be potentially useful for non-invasive, in vivo bioluminescence imaging in deep tissues of small animals.

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Держатели документа:
[Gealageas, Ronan
Dodd, Robert H.] Ctr Natl Rech Sci, Inst Chim Subst Nat, UPR 2301, F-91198 Gif Sur Yvette, France
[Malikova, Natalia P.
Burakova, Ludmila P.
Vysotski, Eugene S.] Russian Acad Sci, Inst Biophys, Siberian Branch, Photobiol Lab, Krasnoyarsk 660036, Russia
[Malikova, Natalia P.
Burakova, Ludmila P.
Vysotski, Eugene S.] Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Lab Bioluminescent Biotechnol, Krasnoyarsk 660041, Russia
[Picaud, Sandrine
Borgdorff, Aren J.
Brulet, Philippe] Ctr Natl Rech Sci, Inst Neurosci Alfred Fessard, UPR 3294, F-91198 Gif Sur Yvette, France
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gealageas, R...; Malikova, N.P.; Picaud, S...; Borgdorff, A.J.; Burakova, L.P.; Brulet, P...; Vysotski, E.S.; Dodd, R.H.; ICSN; CNRS Physics, Chemistry and Biology interface grant; RFBR [12-04-00131]; Government of Russian Federation [11.G34.31.0058]; ANR

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Oxidative stress monitoring in biological samples by bioluminescent method / N. N. Remmel, N. M. Titova, V. A. Kratasyuk // Bulletin of Experimental Biology and Medicine. - 2003. - Vol. 136, Is. 2. - P. 209-211, DOI 10.1023/A:1026347830283 . - ISSN 0007-4888
Кл.слова (ненормированные):
Bioluminescent analysis -- Lipid peroxidation -- Malonic dialdehyde -- Oxidative stress -- malonaldehyde -- animal tissue -- article -- bioluminescence -- brain tissue -- controlled study -- fluorescence -- freeze drying -- kidney parenchyma -- lipid peroxidation -- liver -- male -- monitoring -- nonhuman -- oxidative stress -- Photobacterium phosphoreum -- rat -- serum -- Animals -- Bacteria -- Biological Assay -- Lipid Peroxidation -- Luminescent Measurements -- Malondialdehyde -- Oxidative Stress -- Photobacterium -- Rats -- Tissue Extracts -- Animalia -- Negibacteria -- Photobacterium -- Photobacterium phosphoreum
Аннотация: The integral bioluminescent biotest with lyophilized fluorescent bacteria was used for monitoring of LPO processes in tissue extracts and serum of rats exposed to stress. A relationship between the content of MDA (LPO indicator) and fluorescence of bacteria was observed in all biological samples.

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

Доп.точки доступа:
Remmel, N.N.; Titova, N.M.; Kratasyuk, V.A.

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EPR Spectrometric Estimation of the Distribution of Intravenously Injected Nanodiamonds in Mice / E. V. Inzhevatkin [et al.] // Biol. Bull. - 2019. - Vol. 46, Is. 3. - P277-283, DOI 10.1134/S1062359019020079. - Cited References:56. - This work was supported by the Russian Foundation for Basic Research, project no. 16-04-00999. . - ISSN 1062-3590. - ISSN 1608-3059

РУБ Biology
Рубрики:
DRUG-DELIVERY
   DETONATION NANODIAMONDS
   NANOMATERIALS
   PARTICLES
Аннотация: The distribution in mice of intravenously injected modified nanodiamonds (MNDs) obtained by detonation synthesis was studied using electron paramagnetic resonance (EPR) spectrometry. It has been shown that 2.5 h after MND injection into the tail vein of mice, the nanoparticles accumulate mainly in the lungs and liver of animals; much smaller amounts of nanoparticles were found in the kidneys and heart. The presence of MNDs in the samples of blood, spleen, brain, and thigh muscles of mice was not detected within the sensitivity of the method used.

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Держатели документа:
Russian Acad Sci, Int Sci Ctr Studies Extreme States Organism, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Akademgorodok 50, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Siberian Branch, Inst Biophys, Fed Res Ctr,Krasnoyarsk Sci Ctr, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Pr Svobodnyi 79, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Inst Chem & Chem Technol, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Inzhevatkin, E. V.; Baron, A. V.; Maksimov, N. G.; Volkova, M. B.; Puzyr, A. P.; Bondar, V. S.; Russian Foundation for Basic Research [16-04-00999]

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Biodistribution of nanodiamonds in the body of mice using EPR spectrometry / E. Inzhevatkin [et al.] // IET Sci. Meas. Technol. - 2019. - Vol. 13, Is. 7. - P984-988, DOI 10.1049/iet-smt.2018.5594. - Cited References:32. - This work was supported by the Russian Foundation for Basic Research (project no. 16-04-00999). . - ISSN 1751-8822. - ISSN 1751-8830

РУБ Engineering, Electrical & Electronic
Рубрики:
DRUG-DELIVERY
   DETONATION NANODIAMONDS
   NANOMATERIALS
   DOXORUBICIN
Кл.слова (ненормированные):
blood -- biomedical materials -- kidney -- lung -- detonation -- diamond -- nanomedicine -- liver -- muscle -- cellular biophysics -- nanoparticles -- EPR -- imaging -- mice -- EPR spectrometry -- detonation NDs -- electron paramagnetic -- resonance spectrometry -- characteristic EPR signal -- initially injected -- NDs -- detonation -- femoral muscles -- blood -- spleen -- brain -- kidneys -- heart -- lungs -- liver -- biomaterials -- nanodiamonds -- organ homogenates -- nanoparticle concentrations -- inter-organ distribution -- time 2 -- 5 hour -- C
Аннотация: In vitro experiments proved the usefulness of electron paramagnetic resonance (EPR) spectrometry for detecting detonation nanodiamonds (NDs) in samples of biomaterials (blood and homogenates of organs of mice). A characteristic EPR signal (g = 2.003, Delta H similar or equal to 10 G) was detected in biomaterials containing NDs, and its intensity linearly increased at nanoparticle concentrations of between 1.6 and 200 mu g/ml. In vivo experiments demonstrated that EPR spectrometry was effective for monitoring the inter-organ distribution of NDs intravenously injected to mice. In 2.5 h after the injection of NDs, the nanoparticles mainly accumulated in the lungs and liver of the animals - about 25 and 20%, respectively, of the initially injected NDs. The amounts of NDs accumulated in the heart and kidneys were considerably lower. Also, EPR spectrometry did not detect NDs in the blood, spleen, brain, and femoral muscles of mice. Ten days after injection, EPR spectrometry detected redistribution of NDs in mice. The amounts of nanoparticles decreased approximately by a factor of 3.5 in the lungs and increased almost by a factor of 3 in the liver; NDs were detected in the spleen. This study suggests ways to use EPR spectrometry to study the distribution, accumulation, and elimination of detonation NDs injected into laboratory animals.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Biophys, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia.
RAS, SB, Int Sci Ctr Studies Extreme States Organism, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk, Russia.

Доп.точки доступа:
Inzhevatkin, Evgeny; Baron, Alexey; Maksimov, Nikolai; Volkova, Marina; Puzyr, Alexey; Ronzhin, Nikita; Bondar, Vladimir; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [16-04-00999]

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Redquorinxs mutants with enhanced calcium sensitivity and bioluminescence output efficiently report cellular and neuronal network activities / A. Bakayan, S. Picaud, N. P. Malikova [et al.] // Int. J. Mol. Sci. - 2020. - Vol. 21, Is. 21. - Ст. 7846. - P1-22, DOI 10.3390/ijms21217846 . - ISSN 1661-6596
Кл.слова (ненормированные):
Aequorin -- Bioluminescence -- BRET -- Calcium sensor -- GPCR assay -- Mutagenesis -- Neuronal network imaging
Аннотация: Considerable efforts have been focused on shifting the wavelength of aequorin Ca2+? dependent blue bioluminescence through fusion with fluorescent proteins. This approach has notably yielded the widely used GFP?aequorin (GA) Ca2+ sensor emitting green light, and tdTomato-aequorin (Redquorin), whose bioluminescence is completely shifted to red, but whose Ca2+ sensitivity is low. In the present study, the screening of aequorin mutants generated at twenty?four amino acid positions in and around EF?hand Ca2+?binding domains resulted in the isolation of six aequorin single or double mutants (AequorinXS) in EF2, EF3, and C?terminal tail, which exhibited markedly higher Ca2+ sensitivity than wild?type aequorin in vitro. The corresponding Redquorin mutants all showed higher Ca2+ sensitivity than wild?type Redquorin, and four of them (RedquorinXS) matched the Ca2+ sensitivity of GA in vitro. RedquorinXS mutants exhibited unaltered thermostability and peak emission wavelengths. Upon stable expression in mammalian cell line, all RedquorinXS mutants reported the activation of the P2Y2 receptor by ATP with higher sensitivity and assay robustness than wt?Redquorin, and one, RedquorinXS?Q159T, outperformed GA. Finally, wide?field bioluminescence imaging in mouse neocortical slices showed that RedquorinXS?Q159T and GA similarly reported neuronal network activities elicited by the removal of extracellular Mg2+. Our results indicate that RedquorinXS?Q159T is a red light?emitting Ca2+ sensor suitable for the monitoring of intracellular signaling in a variety of applications in cells and tissues, and is a promising candidate for the transcranial monitoring of brain activities in living mice. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Scopus
Держатели документа:
Institut de Neurobiologie Alfred Fessard, UPR 3294, Centre National de la Recherche Scientifique (CNRS), Avenue de la Terrasse, Gif?sur?Yvette, 91198, France
BioEmergences Unit, CNRS USR 3695, Universite Paris?Saclay, Avenue de la Terrasse, Gif?sur?Yvette, 91198, France
Neuroscience Paris Seine ? Institut de Biologie Paris Seine (NPS ? IBPS), CNRS, UMR8246, INSERM U1130, Sorbonne Universite UM119, Paris, 75005, France
Photobiology Laboratory, Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Bakayan, A.; Picaud, S.; Malikova, N. P.; Tricoire, L.; Lambolez, B.; Vysotski, E. S.; Peyrieras, N.

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RedquorinXS Mutants with Enhanced Calcium Sensitivity and Bioluminescence Output Efficiently Report Cellular and Neuronal Network Activities / A. Bakayan, S. Picaud, N. P. Malikova [et al.] // Int. J. Mol. Sci. - 2020. - Vol. 21, Is. 21. - Ст. 7846, DOI 10.3390/ijms21217846. - Cited References:53. - This work was supported by grants from Centre National de la Recherche Scientifique (AAP Prematuration CNRS 2016, to A.B. and N.P.; equipment transfer to S.P. and B.L.), from Agence Nationale de la Recherche (AAP Prematuration FCS/IDEX Paris Saclay, to A.B. and N.P., France BioImaging infrastructure ANR-10-INBS-04, ANR-11-EQPX-029 to N.P.), from Fondation pour la Recherche sur le Cerveau/Rotary Club de France (B.L.), and from RFBR (project number 20-04-00085 to N.P.M. and E.S.V.). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. . - ISSN 1422-0067

РУБ Biochemistry & Molecular Biology + Chemistry, Multidisciplinary
Рубрики:
IN-VIVO
   PHOTOPROTEIN AEQUORIN
   CA2+-REGULATED PHOTOPROTEINS
   SPREADING
Кл.слова (ненормированные):
bioluminescence -- aequorin -- calcium sensor -- BRET -- mutagenesis -- GPCR -- assay -- neuronal network imaging
Аннотация: Considerable efforts have been focused on shifting the wavelength of aequorin Ca2+-dependent blue bioluminescence through fusion with fluorescent proteins. This approach has notably yielded the widely used GFP-aequorin (GA) Ca2+ sensor emitting green light, and tdTomato-aequorin (Redquorin), whose bioluminescence is completely shifted to red, but whose Ca2+ sensitivity is low. In the present study, the screening of aequorin mutants generated at twenty-four amino acid positions in and around EF-hand Ca2+-binding domains resulted in the isolation of six aequorin single or double mutants (AequorinXS) in EF2, EF3, and C-terminal tail, which exhibited markedly higher Ca2+ sensitivity than wild-type aequorin in vitro. The corresponding Redquorin mutants all showed higher Ca2+ sensitivity than wild-type Redquorin, and four of them (RedquorinXS) matched the Ca2+ sensitivity of GA in vitro. RedquorinXS mutants exhibited unaltered thermostability and peak emission wavelengths. Upon stable expression in mammalian cell line, all RedquorinXS mutants reported the activation of the P2Y2 receptor by ATP with higher sensitivity and assay robustness than wt-Redquorin, and one, RedquorinXS-Q159T, outperformed GA. Finally, wide-field bioluminescence imaging in mouse neocortical slices showed that RedquorinXS-Q159T and GA similarly reported neuronal network activities elicited by the removal of extracellular Mg2+. Our results indicate that RedquorinXS-Q159T is a red light-emitting Ca2+ sensor suitable for the monitoring of intracellular signaling in a variety of applications in cells and tissues, and is a promising candidate for the transcranial monitoring of brain activities in living mice.

WOS
Держатели документа:
Ctr Natl Rech Sci CNRS, Inst Neurobiol Alfred Fessard, UPR 3294, Ave Terrasse, F-91198 Gif Sur Yvette, France.
Univ Paris Saclay, BioEmergences Unit, CNRS, USR 3695, Ave Terrasse, F-91198 Gif Sur Yvette, France.
Sorbonne Univ, Inst Biol Paris Seine NPS IBPS, INSERM, Neurosci Paris Seine,CNRS,UMR8246,U1130,UM119, F-75005 Paris, France.
Inst Biophys SB RAS, Fed Res Ctr, Photobiol Lab, Krasnoyarsk Sci Ctr SB RAS, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Bakayan, Adil; Picaud, Sandrine; Malikova, Natalia P.; Tricoire, Ludovic; Lambolez, Bertrand; Vysotski, Eugene S.; Peyrieras, Nadine; Vysotski, Eugene; Centre National de la Recherche ScientifiqueCentre National de la Recherche Scientifique (CNRS); Agence Nationale de la RechercheFrench National Research Agency (ANR) [ANR-10-INBS-04, ANR-11-EQPX-029]; Fondation pour la Recherche sur le Cerveau/Rotary Club de France; RFBRRussian Foundation for Basic Research (RFBR) [20-04-00085]

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Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis / O. N. Makhutova, K. N. Stoyanov // Aquac. Int. - 2021, DOI 10.1007/s10499-021-00755-w . - Article in press. - ISSN 0967-6120
Кл.слова (ненормированные):
Aquaculture -- Docosahexaenoic fatty acid -- Fish diet -- Furan fatty acids -- Sprecher pathway
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.

Scopus
Держатели документа:
Institute of Biophysics of Federal Research Center “Krasnoyarsk Science Center” of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodny pr, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Makhutova, O. N.; Stoyanov, K. N.

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Fatty acid content and composition in tissues of Baikal grayling (Thymallus baicalensis), with a special focus on DHA synthesis / O. N. Makhutova, K. N. Stoyanov // Aquac. Int. - 2021, DOI 10.1007/s10499-021-00755-w. - 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"). . - Article in press. - ISSN 0967-6120. - ISSN 1573-143X

РУБ Fisheries
Рубрики:
COD GADUS-MORHUA
   DOCOSAHEXAENOIC ACID
   SEASONAL DYNAMICS
   FISH
Кл.слова (ненормированные):
Docosahexaenoic fatty acid -- Sprecher pathway -- Fish diet -- Furan fatty -- acids -- Aquaculture
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.

WOS
Держатели документа:
Russian Acad Sci Akademgorodok, Siberian Branch, Inst Biophys, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, 79 Svobodny Pr, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Makhutova, Olesia N.; Stoyanov, Kirill N.; 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]

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Buckwheat-enriched diet alleviates bisphenol A mediated oxidative stress via modulation of sirtuin 1 and antioxidant status in experimental rats / S. Pande, R. Ranjan, M. Ryazanova [et al.] // Food Chem. - 2022. - Vol. 373. - Ст. 131507, DOI 10.1016/j.foodchem.2021.131507. - Cited References:36. - The research was supported by the Ministry of Science and Higher Education of the Russian Federation (Grant no. FSRZ-2020-0006) and Russian Ministry of Education, Post-Doctoral Program of Project "5-100" [Grant No. M 2.2.3]. Authors profusely thank R. Sabirzyanov and I.A. Denisov for the needful in the arrangement of ultrapure BPA. . - ISSN 0308-8146. - ISSN 1873-7072

РУБ Chemistry, Applied + Food Science & Technology + Nutrition & Dietetics
Рубрики:
TRANSCRIPTION
   TOXICITY
   EXTRACT
   FIBER
Кл.слова (ненормированные):
Sirtuin1 -- Buckwheat -- Bisphenol A -- Dietary intervention -- Oxidative -- stress -- Male Wistar r a t s
Аннотация: Present study investigated effect of dietary buckwheat in alleviating bisphenol A (BPA) mediated oxidative stress, concomitant sirtuin1 levels in serum, stomach, and liver of rats. Experimental group A and B ingested standard diet, C and D consumed buckwheat (30%); group A and C drank normal water, B and C had BPA contamination (10 mg L 1). Sirtuin1 mean B/A ratio nearing unity in all tissues reveals inertness of BPA towards sirtuin1. Dietary buckwheat improved sirtuin1 levels both in normal (mean C/A ratio of serum, 1.65; liver, 1.24; stomach, 1.78) and BPA fed state (mean D/B ratio of serum, 1.9; liver, 1.26; stomach, 1.75). Buckwheat augmented antioxidant status in BPA fed rats as seen in mean D/B ratio of serum (catalase, 2.4; glutathione reductase (GR), 1.33; Thiols, 1.2), liver (catalase, 2; GR, 2.5; Thiols, 1.36) and stomach (catalase, 1.31; GR, 1.5; Thiols, 1.33). Therefore, buckwheat counters BPA-led oxidative stress and modulates sirtuin1.

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Держатели документа:
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Dept Biophys, Lab Bioluminescent Biotechnol, Svobodny Prospect 79, Krasnoyarsk 660041, Russia.
Krasnoyarsk State Med Univ, Res Inst Mol Med & Pathobiochem, P Zheleznyaka 1, Krasnoyarsk 660022, Russia.
Res Ctr Neurol, Lab Expt Brain Cytol, Moscow, Russia.
Fed Res Ctr, Inst Biophys SB RAS, Krasnoyarsk Sci Ctr SB RAS, Akad Gorodok 50-50, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Pande, Shubhra; Ranjan, Rajeev; Ryazanova, Maria; Shuvaev, Anton N.; Salmina, Alla B.; Kratasyuk, Valentina A.; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]; Russian Ministry of Education, Post-Doctoral Program of Project "5-100" [M 2.2.3]

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