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排序方式: 共有86条查询结果,搜索用时 15 毫秒
1.
E M Nikulina O V Trapezov N K Popova 《Zhurnal vysshe? nervno? deiatelnosti imeni I P Pavlova》1985,35(6):1142-1146
Content of dopamine in the striatum; of serotonin, 5-hydroxyindolacetic acid and noradrenaline in the hypothalamus, striatum and midbrain was studied in three groups of minks from population of an animal farm, differing by their reaction to humans (cowardly, calm, aggressive). The reaction to humans was estimated by a system of marks at the attempt to catch the mink with a mitten. Aggressive animals had a lowered level of serotonin in the hypothalamus and striatum, a lesser content of serotonin metabolite--5-hydroxyindolacetic acid in the striatum. Minks of different groups did not differ by noradrenaline content, but dopamine level in the striatum of cowardly minks was higher than in calm and aggressive animals. Conclusion is made that polymorphism of behaviour corresponds to polymorphism of the state of monoaminergic systems. 相似文献
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O. N. Nikulina 《Entomological Review》2007,87(6):750-756
Larvae are described for the first time for three species of the genus Lixus (L. bifasciatus, L. rubicundus, and L. subulatus). The larvae dwell in stalks of herbaceous plants. The larvae differ in the structure of the endocarina and prelabium and the chaetotaxy of the head and epipharynx. Analysis of larvae of the new and already described species of this genus has shown that the larva of L. bifasciatus shares some characters with the larvae of L. astrachanicus, and L. rubicundus, and the larva of L. subulatus, with that of L. bescrensis. 相似文献
4.
Nikulina MA Andersen HU Karlsen AE Darville MI Eizirik DL Mandrup-Poulsen T 《Cytokine》2000,12(9):1391-1394
L-buthionine-S,R-sulfoximine (BSO), an inhibitor of GSH synthesis, decreased IL-1 beta-induced nitrite release in rat islets and purified rat beta cells, nitrite formation and iNOS gene promoter activity in insulinoma cells, and iNOS mRNA expression in rat islets. The thiol depletor diethyl maleate (DEM) and an inhibitor of glutathione reductase 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) reduced IL-1 beta-stimulated nitrite release in islets. We conclude that GSH regulates IL-1 beta-induced NO production in islets, purified beta cells and insulinoma cells by modulation of iNOS gene expression. 相似文献
5.
Paulo FP Pimenta Alessandra S Orfano Ana C Bahia Ana PM Duarte Claudia M Ríos-Velásquez Fabrício F Melo Felipe AC Pessoa Giselle A Oliveira Keillen MM Campos Luis Martínez Villegas Nilton Barnabé Rodrigues Rafael Nacif-Pimenta Rejane C Sim?es Wuelton M Monteiro Rogerio Amino Yara M Traub-Cseko José BP Lima Maria GV Barbosa Marcus VG Lacerda Wanderli P Tadei Nágila FC Secundino 《Memórias do Instituto Oswaldo Cruz》2015,110(1):23-47
In the Americas, areas with a high risk of malaria transmission are mainly located in
the Amazon Forest, which extends across nine countries. One keystone step to
understanding the Plasmodium life cycle in Anopheles species from the Amazon Region
is to obtain experimentally infected mosquito vectors. Several attempts to colonise
Ano- pheles species have been conducted, but with only short-lived success or no
success at all. In this review, we review the literature on malaria transmission from
the perspective of its Amazon vectors. Currently, it is possible to develop
experimental Plasmodium vivax infection of the colonised and field-captured vectors
in laboratories located close to Amazonian endemic areas. We are also reviewing
studies related to the immune response to P. vivax infection of Anopheles aquasalis,
a coastal mosquito species. Finally, we discuss the importance of the modulation of
Plasmodium infection by the vector microbiota and also consider the anopheline
genomes. The establishment of experimental mosquito infections with Plasmodium
falciparum, Plasmodium yoelii and Plasmodium berghei parasites that could provide
interesting models for studying malaria in the Amazonian scenario is important.
Understanding the molecular mechanisms involved in the development of the parasites
in New World vectors is crucial in order to better determine the interaction process
and vectorial competence. 相似文献
6.
Vasil'ev AIu Bulanova IM Mal'ginov NN Kiseleva EV Cherniaev SE Nikulina OM Tarasenko IV Volozhin AI 《Vestnik rentgenologii i radiologii》2008,(2-3):21-25
Digital microfocal x-ray study was experimentally studied in animals to examine the time course of changes in their bone regeneration. Sixteen Chinchila rabbits whose bone defect in the angle of the mandibular ramus had been closed with the osteoplastic material Gapcol with the applied allogeneic, autologous stem cells isolated from rabbit adipose tissue and human plasma enriched with thrombocytic growth factors were examined. The capabilities of digital microfocal x-ray study versus x-ray computed tomography were compared in the evaluation of reparative regeneration of bone tissue. The results of radiation studies were verified with the data of scanning electron microscopy. 相似文献
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Z N Kondrashova L V Vlasova G P Stepanova N V Nikulina N Ia Venediktov 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》1980,(2):20-25
The results of prolonged dynamic observations on the state of herd immunity against poliomyelitis virus in an industrial city are given. The survey covered 1304 children. The data thus obtained, when synchronized according to years, seasons, the age of the surveyed children and the methods used in the survey, indicated that in every age group 20-30% of children had no antibodies to group I poliomyelitis virus and 30% of children had no antibodies to group III poliomyelitis virus. The geometrical mean of antibody titers to different types of the virus fluctuated from 1.8 to 4.6 log2, the lowest value being obtained for the titer of antibodies to type III poliomyelitis virus. During the whole period of immunological control (1974-1978) no mass circulation of poliomyelitis virus and no outbreaks of poliomyelitis were registered despite the fact that a considerable proportion of children having no antibodies to one or several types of the virus was constantly present among the most susceptible part of children. 相似文献
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10.
Sotnichenko SA Parashchenko GA Nikulina AS 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》2008,(3):82-84
The article provides data on HIV-infection prevalence in Primorsky region as well as on characteristics of HIV-infection epidemic process, distribution of HIV-infected persons by sex, age, routes and factors of transmission. Rise of HIV-associated tuberculosis incidence is registered in Primorsky region in recent years. HIV-infected persons have increased risk of tuberculosis progression. Prognosis for HIV-infection and HIV-associated tuberculosis incidence for the next years was done. 相似文献