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Bulletin of Experimental Biology and Medicine

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https://www.readbyqxmd.com/read/28091928/effects-of-no-synthase-blocker-l-name-on-functional-state-of-the-neuromotor-system-during-traumatic-disease-of-the-spinal-cord
#1
G G Yafarova, V V Andrianov, R Kh Yagudin, I I Shaikhytdinov, Kh L Gainutdinov
Functional state of the neuromotor system after administration of a nonspecific NO synthase blocker L-NAME was studied on the model of experimental contusion of the spinal cord. Electron paramagnetic resonance measurements of NO production in the damaged segment of the spinal cord were performed for estimation of the dynamics of intensity of NO production during traumatic disease of the spinal cord and selection of optimal period for L-NAME administration. The status of the neuromotor system was evaluated by stimulation electromyography...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091927/effect-of-new-antiviral-agent-camphecin-on-behavior-of-mice
#2
A V Babina, V A Lavrinenko, O I Yarovaya, N F Salakhutdinov
We studied the effect of camphecin (1,7,7-trimethylbicyclo[2.2.1]heptan-2-ylidene-aminoethanol) on mouse behavior in the open-field test. Camphecin possesses antiviral activity and inhibits viral replication, but its influence on the nervous system is poorly studied. Single camphecin injection produced no significant changes in behavioral patterns. Chronic camphecin administration (5 times over 2 weeks) to mice of different strains had no significant influence on open field behavior (motor, exploratory activity, anxiety, emotional state and vegetative functions)...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091926/effect-of-hypotensive-drugs-on-dynamics-of-nitroxide-producing-renal-function-in-rats-with-nephrogenic-hypertension
#3
E V Eliseeva, E F Romanchenko, I V Dyuizen, A V Tyrtyshnikova, Yu I Pigolkin
An original model of nephrogenic hypertension in rats was used for histochemical mapping of NADPH diaphorase (NO synthase) in various renal segments to examine the effect of hypotensive drugs furosemide, bendazol, and clonidine on the time course of nitroxide production in the kidneys. In various nephron segments, these drugs modulated NO synthesis in different ways. Clonidine induced a stable up-regulation of NO synthesis, which can maintain active vasodilation and gradually diminish the rennin production...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091925/changes-in-the-neurochemical-composition-of-motor-neurons-of-the-spinal-cord-in-mice-under-conditions-of-space-flight
#4
V V Porseva, V V Shilkin, A A Strelkov, I B Krasnov, P M Masliukov
Expression of choline acetyltransferase, 200-kDa neurofilament protein, 28-kDa calbindin, neuronal NO synthase, caspase 3, and Ki-67 in the motor neurons of spinal cord segments T3-T5 in male C57Bl/6 mice after 30-day space flight in the Bion-M1 biosatellite was studied by immunohistochemical methods. Under conditions space flight, the size of motoneurons increased, the number of neurons containing choline acetyltransferase and neurofilaments, decreased, and the number of calbindin-positive neurons increased; motoneurons, expressing neuronal NO synthase and caspase 3 appeared, while Ki-67 was not detected...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091924/effects-of-acyzol-on-zinc-content-in-rat-brain-and-blood-plasma
#5
A F Yakimoskii, I I Shantyr, M A Vlasenko, M V Yakovleva
Zinc level in the blood plasma and brain of rats was studied by inductively coupled plasma mass spectrometry. Maximum amount of zinc was observed in the cerebellum (15.0±5.5 μg/mg wet tissue). Single intraperitoneal administration of a zinc donor acyzol (24 mg/kg) did not change the content of this element in the tissues. Repeated injections of acyzol (7 injections over 14 days) significantly increased zinc level in rat plasma and brain. This elevation was most pronounced in the forebrain (cortex and subcortical structures)...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091923/experimental-study-of-the-effects-of-nanodispersed-ceria-on-wound-repair
#6
O A Legon'kova, T A Ushakova, I P Savchenkova, N V Perova, M S Belova, A A Torkova, A E Baranchikov, O S Ivanova, A I Korotaeva, V K Ivanov
We studied the effects of nanodispersed ceria on wound healing in vitro and in vivo. It was found that cerium dioxide stimulated wound healing, which manifested in shrinkage of burn wound area (by 1.5 times) and intensification (by 2.4 times) marginal epithelialization.
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091922/relationship-between-serum-biochemistry-in-macaca-mulatta-males-and-the-duration-of-stay-in-individual-cage
#7
Yu P Chuguev, V G Chalyan, N V Meishvili, I I Chugueva
A relationship between transfer of monkeys from yard to individual cage and duration of stay in individual cage and the serum biochemical parameters is detected in Macaca mulatta males.
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091921/levels-of-mirna-and-hormones-in-thoracic-duct-lymph-in-rats-with-experimental-breast-cancer-induced-by-n-methyl-n-nitrosourea
#8
A P Lykov, A V Kabakov, O V Kazakov, N A Bondarenko, O V Poveshchenko, T V Raiter, A F Poveshchenko, D N Strunkin, V I Konenkov
We studied hormone levels in the thoracic duct lymph and expression of miRNA involved in the pathogenesis of breast cancer induced in rats by intramammary injection of N-methyl-Nnitrosourea. The correlations between miRNA expression and hormone levels depended on the type of treatment.
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091920/comparative-study-of-antitumor-efficiency-of-intraperitoneal-and-intravenous-cytostatics-in-experimental-rats-with-disseminated-ovarian-cancer
#9
COMPARATIVE STUDY
V G Bespalov, E A Vyshinskaya, I N Vasil'eva, A L Semenov, M A Maidin, N V Barakova, A N Stukov
Antitumor efficiencies of cytostatics dioxadet, cisplatin, mitomycin C, melphalan, and paclitaxel after a single intraperitoneal or intravenous injection in doses of 1.5, 4, 1.5, 2, and 5 mg/kg, respectively, were studied on the model of transplanted ovarian tumor in 124 rats. The antitumor effects were evaluated by the increase in median survival. Dioxadet, cisplatin, and melphalan injected intraperitoneally significantly prolonged the lifespan median - by 79, 88, and 114%, respectively, and were in fact ineffective, when injected intravenously...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091919/effects-of-deltorphin-ii-and-its-retroenantio-analog-on-cardiac-tolerance-to-ischemia-and-reperfusion
#10
A V Mukhomedzyanov, L N Maslov, M V Ovchinnikov, M V Sidorova, J M Pei, S Yu Tsibul'nikov, A V Tsepokina, M V Khutornaya, A G Kutikhin
Selective agonist of δ2-opioid receptors deltorphin II and its retroenantio analog (0.12 mg/kg intravenously) were preventively injected to male Wistar rats 15 min prior to 45-min coronary occlusion or 5 min before 120-min reperfusion. Administration of deltorphin II before artery occlusion and before reperfusion decreased the infarct size/area at risk ratio. Deltorphin II prevented the appearance of ischemia-provoked ventricular arrhythmias and exerted no effect on HR and BP (systolic and diastolic). The retroenantio analog of deltorphin II produced no antiarrhythmic or infarct-limiting effects, but reduced HR without affecting BP...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091918/changes-in-the-level-of-circulating-hsa-mir-297-and-hsa-mir-19b-3p-mirna-are-associated-with-generalization-of-prostate-cancer
#11
A I Osip'yants, E N Knyazev, A V Galatenko, K M Nyushko, V V Galatenko, M Yu Shkurnikov, B Ya Alekseev
We performed diagnostic classification of plasma specimens from patients with non-metastatic and metastatic prostate cancer based on pairs of miRNA that have no individual diagnostic significance. Of 230 miRNA detected in plasma specimens, 3 pairs were diagnostically significant. The miRNA pair hsa-miR-19b-3p and hsa-miR-297 demonstrated highest sensitivity and specificity. Among common target genes of these miRNA, CFL2 gene associated with cell mobility was detected.
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091917/detection-of-rare-mutations-by-routine-analysis-of-kras-nras-and-braf-oncogenes
#12
D S Mikhailenko, G D Efremov, N Yu Safronova, V V Strelnikov, B Ya Alekseev
Molecular genetic analysis of KRAS, NRAS, and BRAF genes was carried out in order to develop an optimal algorithm for detection of minor mutations. We analyzed 35 melanoma and 33 colorectal cancer specimens. Frequent G12D/V/A/C/S mutations were detected in KRAS. The most frequent BRAF mutation in melanoma was V600E, the percentage of rare mutations is significant for DNA diagnosis (24%). Identification of rare BRAF mutations 1790C→G (L597R), 1798_1799delinsAA (V600K), 1798_1799delinsAG (V600R), and 1799_1800delinsAA (V600E) and NRAS mutation 38G→T (G13V) was possible only by Sanger sequencing...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091916/new-experimental-model-of-rat-risk-behavior-effects-of-nicotine-and-phenazepam
#13
S K Sudakov, G A Nazarova, E V Alekseeva
We described a new model of risk behavior in rats that allows selection of animals predisposed to risk behavior in the absence of other biological motivations. Phenazepam administration did not change the intensity of risk behavior in "risky" animals, but stimulated risk behavior in rats that were not predisposed to it. Nicotine inhibited risk behavior in "risky" animals and strengthened it in "cautious" rats. In the intermediate group, the drugs did not induce significant changes. A similar effect of the drugs was observed in the previous models...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091915/wavelet-analysis-of-cerebral-microcirculation-in-hypovolemic-shock
#14
V V Aleksandrin, A A Kubatiev
Hypovolemic shock leads to severe cerebral ischemia and increases spectral amplitudes of cerebral blood flow oscillations in respiratory frequency range.
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091914/altered-liver-proteoglycan-glycosaminoglycan-structure-as-a-manifestation-of-extracellular-matrix-remodeling-upon-bcg-induced-granulomatosis-in-mice
#15
L B Kim, V A Shkurupy, A N Putyatina
Experimental BCG-induced granulomatosis in mice was used to study changes in the dynamics of individual liver proteoglycan components reflecting phasic extracellular matrix remodeling, determined by the host-parasite interaction and associated with granuloma development. In the early BCG-granulomatosis period, the increase in individual proteoglycan components promotes granuloma formation, providing conditions for mycobacteria adhesion to host cells, migration of phagocytic cells from circulation, and cell-cell interaction leading to granuloma development and fibrosis...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091913/regenerative-potential-of-stem-and-progenitor-cells-from-ischemic-testes-of-c57bl-6-mice-in-culture-and-in-the-model-of-spermatogenesis-suppression-caused-by-busulfan
#16
E G Skurikhin, A V Pakhomova, O V Pershina, L A Ermolaeva, N N Ermakova, V A Krupin, E S Pan, A I Kudryashova, O Yu Rybalkina, V V Zhdanov, V E Goldberg, A M Dygai
The regenerative potential of stem and progenitor cells from ischemic testes of C57Bl/6 mice was studied in vitro (cell culture) and in vivo (mouse model of busulfan-induced suppression of spermatogenesis). Spermatogonial stem cells with phenotypes CD117(-)CD90(+) and CD51(-)CD24(+)CD52(+) from ischemic testes demonstrated 33-fold and 7-fold increments of cell mass and generated colonies in vitro. Epithelial (CD45(-)CD31(-)Sca-1(+)CD49f(+)) and endothelial (CD45(-)CD31(+)) precursors exhibited lower self-renewal capacity...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091912/caspase-3-6-8-and-9-gene-expression-in-peripheral-blood-leukocytes-and-plasma-concentrations-of-il-6-and-tnf-%C3%AE-in-carriers-of-different-polymorphic-marker-174g-c-genotypes-of-il6-gene-associated-with-the-risk-of-nonalcoholic-steatohepatitis
#17
I V Kurbatova, L V Topchieva, O P Dudanova
We revealed an association of IL6 gene -174G>C polymorphism with the development of nonalcoholic steatohepatitis in the Russian population. The risk is significantly higher in carriers of C allele: OR=1.77 (1.04; 3.02). The effects of -174G>C substitution in IL6 gene involving caspase 9 gene transcripts in peripheral blood leukocytes and on blood content of TNF-α in healthy individuals without clinical manifestations of nonalcoholic steatohepatitis were detected. The content of caspase 9 gene transcripts in peripheral blood leukocytes and plasma level of TNF-α were significantly higher in healthy subjects carrying C allele than in carriers of GG genotype...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091911/biocompatibility-of-modified-osteoinductive-calcium-phosphate-coatings-of-metal-implants
#18
T S Zaporozhets, A V Puz', S L Sinebryukhov, S V Gnedenkov, T P Smolina, N N Besednova
The cellular and molecular aspects of immunological compatibility of modified osteoinductive calcium-phosphate coatings formed on technically pure titanium VT1-0 by the plasma electrolytic oxidation technology are studied. The technique of coating modified the process of human peripheral blood leukocyte activation in vitro. The most pronounced functional changes were observed in neutrophil population during whole blood contact with titanium sample without coating and with coating formed by plasma electrolytic oxidation on titanium alloy...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091910/inhibition-of-apoptosis-stages-of-human-blood-lymphocytes-after-exposure-to-carbon-monoxide-in-the-presence-of-recombinant-interleukin-2
#19
V G Artyukhov, O I Tyunina
We studied the effect of carbon monoxide (60-, 75-, and 90-min exposure) on the expression of antiapoptotic proteins (survivin and Bcl-2) in human blood lymphocytes in the presence of recombinant IL-2 in an apoptosis-inducing dose (0.1 ng/ml). Incubation of cells in atmosphere with carbon monoxide in the presence of recombinant IL-2 was accompanied by accumulation of Bcl-2 protein with simultaneous decrease of survivin content. It was concluded that carbon monoxide plays a role in the dysregulation of apoptosis of human blood lymphocytes Bcl-2 (i...
January 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091909/modes-of-hypotensive-action-of-dihydroquercetin-in-arterial-hypertension
#20
M B Plotnikov, O I Aliev, A V Sidekhmenova, A Yu Shamanaev, A M Anishchenko, A V Nosarev, E A Pushkina
We studied the effect of dihydroquercetin (20 mg/kg/day intragastrically for 6 weeks) on mean BP and macro- and microrheological blood parameters in hypertensive SHR rats; in vitro effect of dihydroquercetin on the tone in thoracic aorta rings isolated from hypertensive SHR rats were also examined. At the end of the treatment course, the mean BP in the experimental rats decreased by 11%; the left ventricular mass index by 2%, and whole blood viscosity by 7-10% in comparison with control SHR rats; erythrocyte aggregation half-time increased by 15%; plasma viscosity, hematocrit, and erythrocyte deformability did not change...
January 2017: Bulletin of Experimental Biology and Medicine
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