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Doklady Biochemistry and Biophysics - Using the selected mouse strain EX as the founding population (selection for extrapolation ability) three selection generations of mice were obtained, which... 相似文献
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G. M. Solius A. V. Revishchin G. V. Pavlova I. I. Poletaeva 《Doklady. Biochemistry and biophysics》2016,466(1):32-34
GABAergic brain system is an important link in the pathological circuits of rodent audiogenic epilepsy (AE). The number of GABAergic neurons in the inferior colliculi of KM strain rats (AE prone) was not different from that of the control non-prone strain. At the same time, the glutamate decarboxylase mRNA expression (the key enzyme of GABA synthesis) was 5 times higher than in control. The data evidence that the GABAergic system does play an important role in AE proneness. 相似文献
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Salonin DV Perepelkina OV Markina NV Gichenok IA Kuznetsova GD Poletaeva II 《Zhurnal vysshe? nervno? deiatelnosti imeni I P Pavlova》2004,54(2):277-282
The remote effects of neonatal (on the 3d-to-9th postnatal days) ketamine injections (10 and 50 mg/kg in 20 microliters of distilled water, s.c.) were analyzed in adult Wistar, WAG/Rij, and KM (a strain with high audiogenic sensitivity) rats. Both ketamine and water injections increased pain sensitivity in adult rats. Neonatally injected water increased the mean score of seizures in Wistar and WAG/Rij, whereas ketamine water solution injected in the dose of 50 mg/kg did not change the seizure intensity (as compared to the intact control). Consequently, ketamine significantly reduced the mean score of the audiogenic seizure fit without change in its latency. In highly sensitive KM rats the neonatally injected ketamine (50 mg/kg) significantly shortened the mean latency of the fit onset, and fit stages developed faster. Thus, the neonatal ketamine injection increased the audiogenic seizure susceptibility of brain structures in KM rats. 相似文献
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We studied cytoarchitectonics of the hippocampus in 101/HY and CBA mice on brain sections stained after Nissl and Timm. In CBA mice, the structure of hippocampus was normal. In 10/HY mice, stratum pyramidale in field CA3 was "splitted" and the density of pyramidal neurons was decreased. Abnormalities were also found in the zone of suprapyramidal projections of mossy fibers (sp-ME), i.e., terminals of axons of the fascia dentata granular cells on the apical dendrites of pyramids. If in CBA mice the sp-MF zone was normal, i.e., looked like a vast compact formation or dense ordered bundle, in 101/HY mice, the sp-MF zone represented a group of scattered, diffuse, and interrupted bundles of varying length, some of which were incorporated in stratum pyramidale. Possible causes of the described morphological abnormalities are discussed, as well as their relation to specific features of biology, behavior, and neurological status of 101/HY mice. 相似文献
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Poletaeva II 《Zhurnal vysshe? nervno? deiatelnosti imeni I P Pavlova》2000,50(1):17-28
A review of the papers published in the Journal of Higher Nervous Activity dedicated to behavioral and neurophysiological studies carried out using the genetic approach is presented. The review is based on classification, which subdivides the diversity of behavioral phenomena into three large categories: instinctive, acquired behavior, and elementary reasoning phenomena. The main contribution to these publications was made by researches at the Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch (Novosibirsk), Institute of Physiology, Russian Academy of Sciences (St.-Petersburg), and Department of Physiology of Higher Nervous Activity, Biological Faculty, Lomonosov State University (Moscow). The traditional lines of investigations are: behavioral and neurochemical consequences of domestication, numerous physiological correlations in rat strains selected for high and low excitability levels, and genetic studies of animal reasoning. 相似文献
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I. I. Poletaeva O. V. Perepelkina O. S. Boyarshinova I. G. Lil’p N. V. Markina T. B. Timoshenko A. V. Revishchin 《Russian Journal of Developmental Biology》2012,43(6):319-331
Experimental data were reviewed which demonstrated that the neonatal injection effects of certain biologically active drugs (ACTH4?C10 fragment and its analogue Semax, piracetam, caffeine, levetiracetam, busperone, etc.) could be detected in adult animals as changes in physiological and behavioral reactions and in several morphological traits as well. Audiogenic seizures proneness, anxiety-fear and exploration behavior as well as pain sensitivity were analyzed. The remote effects discovered were either similar in direction to those applied to an adult organism, or opposite to it. Pharmacological treatments of such type presumably interfere the CNS development during early postnatal ontogeny and change the normal pattern of brain development. These modulatory influences could be due to changes in neurotransmitter system development and are presumably capable to induce CNS morphological deviations (numbers of neurons, adult neurogenesis). 相似文献
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I I Poletaeva T M Tret'iak G N Smirnova 《Zhurnal vysshe? nervno? deiatelnosti imeni I P Pavlova》1989,39(1):76-80
Laboratory mice possessing Robertsonian translocation Rb (8, 17) 1IEM in their karyotype, reveal statistically significant ability for extrapolation of the direction of stimulus movement which disappears from animal's view. Inbred CBA mice with the same translocation are less capable, and CBA mice with normal karyotype are totally incapable of solving this task. Cortical noradrenaline levels in mice with Rb (8, 17) 1IEM were the lowest and brain stem levels the highest among the three groups investigated. Serotonin levels reveal no changes among these groups. 相似文献