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Marchenko VY, Susloparov IM, Kolosova NP, Goncharova NI, Shipovalov AV, Ilyicheva TN, Durymanov AG, Chernyshova OA, Kozlovskiy LI, Chernyshova TV, Pryadkina EN, Karimova TV, Mikheev VN, Ryzhikov AB. Highly pathogenic influenza H5N1 virus of clade 2.3.2.1c in Western Siberia. Arch Virol 2016; 161:1645-9. [PMID: 26935914 DOI: 10.1007/s00705-016-2800-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 02/13/2016] [Indexed: 11/25/2022]
Abstract
In the spring of 2015, avian influenza virus surveillance in Western Siberia resulted in isolation of several influenza H5N1 virus strains. The strains were isolated from several wild bird species. Investigation of biological features of those strains demonstrated their high pathogenicity for mammals. Phylogenetic analysis of the HA gene showed that the strains belong to clade 2.3.2.1c.
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Affiliation(s)
- V Y Marchenko
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation.
| | - I M Susloparov
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation
| | - N P Kolosova
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation
| | - N I Goncharova
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation
| | - A V Shipovalov
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation
| | - T N Ilyicheva
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation
| | - A G Durymanov
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation
| | - O A Chernyshova
- Regional office of Rospotrebnadzor, Novosibirsk, Russian Federation
| | - L I Kozlovskiy
- Hygienic and Epidemiological Center of Novosibirsk region, Novosibirsk, Russian Federation
| | - T V Chernyshova
- Hygienic and Epidemiological Center of Novosibirsk region, Novosibirsk, Russian Federation
| | - E N Pryadkina
- Hygienic and Epidemiological Center of Novosibirsk region, Novosibirsk, Russian Federation
| | - T V Karimova
- Hygienic and Epidemiological Center of Novosibirsk region, Novosibirsk, Russian Federation
| | - V N Mikheev
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation
| | - A B Ryzhikov
- State Research Center of Virology and Biotechnology "VECTOR", 630559, Koltsovo, Novosibirsk region, Russian Federation.
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Marchenko VY, Alekseev AY, Sharshov KA, Petrov VN, Silko NY, Susloparov IM, Tserennorov D, Otgonbaatar D, Savchenko IA, Shestopalov AM. Ecology of influenza virus in wild bird populations in Central Asia. Avian Dis 2012; 56:234-7. [PMID: 22545553 DOI: 10.1637/9834-061611-resnote.1] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The study provides the results of avian influenza virus surveillance in Central Asia during 2003-2009. We have analyzed 2604 samples from wild birds. These samples were collected in Kazakhstan (279), Mongolia (650), and Russia (1675). Isolated viruses from samples collected in Mongolia (13 isolates) and in Russia (4 isolates) were described. Virological analysis has shown that six isolates belong to the H3N6 subtype and five isolates belong to the H4N6 subtype. Two H1N1 influenza viruses, one H10N7 virus, two H3N8 viruses, and an H13N8 virus that is new for Central Asia have been also isolated. Samples were taken from birds of six orders, including several species preferring water and semiaquatic biotopes, one species preferring dry plain regions, and one more species that can inhabit both dry and water biotopes.
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Affiliation(s)
- V Y Marchenko
- State Research Center of Virology and Biotechnology "VECTOR" 630559, Koltsovo, Novosibirsk Region, Russia.
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Marchenko VY, Sharshov KA, Silko NY, Susloparov IM, Durymanov AG, Zaykovskaya AV, Alekseev AY, Smolovskaya OV, Stefanenko AP, Malkova EM, Shestopalov AM. Characterization of the H5N1 influenza virus isolated during an outbreak among wild birds in Russia (Tuva Republic) in 2010. Mol Genet Microbiol Virol 2011. [DOI: 10.3103/s0891416811040057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Sharshov KA, Durymanov AG, Romanovskaia AA, Zaĭkovskaia AV, Marchenko VI, Silko NI, Il'inykh FA, Susloparov IM, Alekseev AI, Shestopalov AM. [Molecular-biological and antigenic features of H5N1 subtype highly pathogenic influenza virus strains isolated in southern Siberia in 2005-2009]. Zh Mikrobiol Epidemiol Immunobiol 2011:40-43. [PMID: 22145348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
AIM Study of molecular-biological and antigenic features of H5N1 subtype virus strains isolated in southern Siberia in 2005-2009. MATERIALS AND METHODS Study was performed by using standard procedures according to WHO recommendations. RESULTS Hemagglutinin gene of H5N1 subtype virus strain isolated in Siberia belongs to 2 genetical lineages: 2.2 and 2.3.2. Strains of these 2 lineages have antigenic differences. All of the strains are highly pathogenic for chicken and white mice. CONCLUSION H5N1 subtype highly pathogenic influenza virus variants of 2 different antigenic lineages that have antigenic differences circulated in Siberia in 2005-2009. A possible role of antigenic drift in evolution of H5N1 subtype influenza virus is discussed.
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Susloparov IM, Sharshov KA, Romanovskaia AA, Durymanov AG, Alekseev AI, Stavskiĭ EA, Malkova EM, Shestopalov AM. [Genetical features of influenza virus A (H1N1) strain that caused the 2009 pandemic]. Zh Mikrobiol Epidemiol Immunobiol 2011:107-110. [PMID: 22145362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Genetical features of the A(H1N1) influenza virus strain that caused the 2009 pandemic are analyzed in the review. Mutations typical for this strain, unique and similar to influenza viruses of swine, avian and seasonal types, and phenotypic (pathologic) features associated with them, that are experimentally confirmed, are described. A possibility of reassortation of avian and swine influenza viruses and possible epidemiologic consequences are discussed.
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Marchenko VI, Sharshov KA, Silko NI, Susloparov IM, Durymanov AG, ZaĭkovskaIa AV, Alekseev AI, Smolovskaia OV, Stefanenko AP, Malkova EM, Shestopalov AM. [Characterization of the H5N1 influenza virus isolated during an outbreak among wild birds in Russia (Tuva Republic) in 2010]. Mol Gen Mikrobiol Virusol 2011:36-40. [PMID: 22312899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The study of basic biological properties of H5N1 subtype strain isolated during an outbreak among wild birds in Russia in 2010 was presented. The study was carried out using conventional methods according to the WHO recommendations. H5N1 influenza virus isolated in Siberia belonged to clade 2.3.2 of the hemagglutinin gene; the phylogenetic analysis was performed. The antigenic characteristics and the basic genetic markers of biological properties were studied. It was shown that all strains were highly pathogenic for chickens and white mice. Thus, it was shown that in Russia in the 2010 H5N1 virus phylogenetically closely related to Asian variants caused epizootic among wild birds. The potential danger of this variant of the virus for humans was confirmed by different methods. We discussed the possibility of formation of H5N1 influenza natural focus.
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romanovskaia AA, I'icheva TN, Durymanov AG, Ignashkina MB, Sharshov KA, Susloparov IM, Malkova EM, Stavskiĭ EA, Shestopalov AM, Smirnov VT, Zhukova NN, Pavlova II, Nekhriuk TI, Panamareva TP, Drozdov IG. [Pandemic influenza virus A (H1N1) in Amur region in autumn 2009]. Zh Mikrobiol Epidemiol Immunobiol 2011:35-39. [PMID: 21449076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
AIM Isolation and study of molecular genetic characteristics of pandemic influenza virus A (H1N1) circulated in Amur region in autumn 2009 as well as testing of serum samples taken from citizens of this region during November- December 2009 in order to measure levels of antibodies to socially significant serotypes of influenza A virus. MATERIALS AND METHODS Strain of pandemic influenza virus A/Blagoveschensk/01/2009 (H1N1) was isolated on MDCK cell culture and nucleotide sequences of all eight segments of viral genome were determined. Five hundred seventy-six serum samples taken in Amur region in autumn 2009 were tested by hemagglutination inhibition assay. RESULTS Nucleotide sequence of A/Blagovechensk/01/2009 (H1N1) strain was 99.7% identical to reference influenza virus strain A/California/04/2009. Diagnostically significant titers of antibodies to pandemic influenza virus were observed in 46.3% of persons younger 30 years old and in 20.1% older persons. Antibodies to seasonal influenza virus H1N1 and H3N2 were detected in 39.5 and 29.8% of persons respectively. CONCLUSION Final seroepidemiological picture of distribution of pandemic virus in Amur region matches with the one for seasonal influenza virus A (H1N1): > 60% of seropositive persons were registered in age group < 18 years old, and this proportion increases with increasing age.
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MESH Headings
- Animals
- Antibodies, Viral/blood
- Antibodies, Viral/immunology
- Cell Line
- Dogs
- Humans
- Influenza A Virus, H1N1 Subtype/genetics
- Influenza A Virus, H1N1 Subtype/immunology
- Influenza A Virus, H1N1 Subtype/isolation & purification
- Influenza A Virus, H3N2 Subtype/genetics
- Influenza A Virus, H3N2 Subtype/immunology
- Influenza A Virus, H3N2 Subtype/isolation & purification
- Influenza, Human/blood
- Influenza, Human/epidemiology
- Influenza, Human/genetics
- Influenza, Human/immunology
- Pandemics
- Seasons
- Seroepidemiologic Studies
- Siberia/epidemiology
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Marchenko VI, Alekseev AI, Susloparov IM, Sharshov KA, Il'inykh FA, Zolotykh SI, Shestopalov AM, Tserennorov D, Abmed D, Drozdov IG, Otgonbaatar D. [Isolation of influenza A virus from wild birds in western part of Mongolia]. Zh Mikrobiol Epidemiol Immunobiol 2010:18-21. [PMID: 21381371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
AIM To study circulation of influenza A viruses in western part of Mongolia. MATERIALS AND METHODS Isolation and characterization of influenza viruses was performed according to recommendations of WHO. RESULTS Circulation of influenza A viruses subtypes H3N6, H4N6, H1N1, H13N8 in different wild bird species in western part of Mongolia was documented. CONCLUSION Taxonomic and ecologic heterogeneity of bird species involved in continuous circulation of influenza A viruses was revealed. Subtype H13N8 was isolated for a first time from herring gull on territory of western Mongolia.
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Sharshov KA, Kurskaia OG, Zaĭkovskaia AV, Iurlov AK, Susloparov IM, Ternovoĭ VA, Durymanov AG, Zolotykh SI, Shestopalov AM, Drozdov IG. [Characteristic of high pathogenic avian influenza virus subtype H5N1 isolated from common gull (Larus canus)]. Zh Mikrobiol Epidemiol Immunobiol 2010:29-32. [PMID: 20218341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
AIM To study biological characteristics of H5N1 influenza virus isolated from common gull on south of West Siberia in 2006. MATERIALS AND METHODS Isolation and characterization of biological characteristics performed according to recommendations of World Health Organization. RESULTS Influenza virus A (H5N1) was first isolated from common gull (Larus canus) in Russia. Antigen of isolated virus had significant affinity to polyclonal sera obtained against high pathogenic avian influenza viruses H5N1 circulating in South-East Asia. Phylogenetic analysis of isolated strain revealed its belonging to group of Qinghai-related variants of H5N1 influenza virus. Aminoacid structure of hemagglutinin proteolytic cleavage site is characteristic for type A high pathogenicity avian influenza viruses. Experimental infection of chickens demonstrated high pathogenicity of the isolated virus. CONCLUSION Involvement of common gulls in circulation of subtype H5N1 influenza virus is demonstrated for the first time. Important role of species from Laridae family in unprecedented spreading of H5N1 influenza virus started in 2005 is discussed.
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Romanovskaia AA, Durymanov AM, Sharshov KA, Zaĭkovskaia AV, Susloparov IM, Shestopalov AM, Leneva IA, Drozdov IG. [Investigation of susceptibility of influenza viruses A (H1N1), the cause of infection in humans in April-May 2009, to antivirals in MDCK cell culture]. Antibiot Khimioter 2009; 54:41-47. [PMID: 20052917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Biological properties of influenza viruses A (H1N1), that were the cause of the infection in humans in April - May 2009, and the action of the Russian antivirals on their reproduction were studied in vitro. The nucleotide sequence in the viruses was determined and followed by detection of the mutations responsible for resistance to the antiinfluenza drugs. The experiments showned that arbidol and ribavirin had a selective inhibitory action on reproduction of the viruses in the MDCK cell culture while rimantadine had no affect on their reproduction. The data were confirmed by the results of the genome analysis in influenza viruses A/California/04/2009(H1N1), A/California/07/2009(H1N1) and A/Moscow/01/2009(H1N1)swl, that revealed no replacements defining the resistance to arbidol while the viruses contained a mutation in position 31 of M2 protein, responsible for the resistance to adamantans.
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Susloparov MA, Susloparov IM, Zagoruĭko TI, Noskova NV, Makhova NM. [Herpes simplex virus type 1 and 2 (HSV-1,2) DNA detection by PCR during genital herpes]. Mol Gen Mikrobiol Virusol 2006:38-41. [PMID: 16512611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The oligonucleotide primers for herpes simplex virus type 1 and 2 DNA detection are developed. In examined group of patients with genital herpes the virus of type 2 and type 1 was detected in 63% and 26% cases, respectively. The mixed infection of both types is revealed in 11% of the patients.
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Susloparov IM, Susloparov MA, Ivchenko SN, Grishaev MP, Smerdova MA, Kosova EI, Blinov VM, Saraev DV, Makhova NM, Noskova NV. [Designing of the pp65 recombinant antigen of human cytomegalovirus and investigation of its immunochemical properties]. Mol Gen Mikrobiol Virusol 2005:28-32. [PMID: 15954474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The primary and secondary structures of the pp65 phosphoprotein of human cytomegalovirus coded by the UL83 gene were studied by the methods of computer-aided analysis. An immunodominant protein fragment with 3 antigenic determinant was detected. The UL83 fragment coding the selected region was amplified and cloned in bacterial expressing vector. The recombinant protein was obtained and purified. On the basis of ELISA findings it was acknowledged as possible to use the pp65 recombinant protein jointly with pp150 and p52 in the diagnosis of antibodies specific to human cytomegalovirus.
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Susloparov MA, Susloparov IM, Makhova NM, Omigov VV, Litasova EE, Legan MV, Slaĭkovskaia LE, Mironenko SP, Cherniavskiĭ AM, Luk'ianchikova NL. [The study of markers of herpes virus infections in myocardial ischemia]. Mol Gen Mikrobiol Virusol 2005:36-40. [PMID: 16334225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
A group of patients with ischemic heart disease (IHD), who underwent surgical aorta-coronary vascular shunting, was examined in this investigation. Low titers of HSV-1 specific IgG were detected in all patients, the obtained values being consistent with similar data obtained in healthy subjects of the same age. Negative PCR of HSV-I DNA in blood and biopsy results were obtained. None of the patients demonstrated typical clinical pattern of infectious disease caused by herpes simplex virus. These data are evidence of the absence of the HSV-1 correlation with coronary atherosclerosis in patients with the IHD diagnosis. The significance of HCMV specific IgG titers and HCMV DNA detected in blood plasma in 87.7% cases is probably attributed to existence of connection of HCMV infection markers revealing in patient' blood with IHD diagnosis and coronary atherosclerosis. Besides, the HCMV DNA presence in biopsy taken from myocardium or vascular wall with lesion is revealed in 100% cases. The cytomegalovirus markers in tissue lesions with the help of specific antiserums marked to HSMV recombinant proteins are also revealed in 100% cases. This fact indicates the connection between pathological atherosclerotical process in IHD and cytomegalovirus infection.
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Susloparov MA, Makhova NM, Noskova NV, Pliasunov IV, Susloparov IM, Sergeev AN, Sherstoboev EI, Martiushev-Poklad AV, Sergeeva SA, Epshteĭn OI, Glotov AG, Glotova TI. [Efficacy of therapeutic and prophylactic actions of ultralow doses of antibodies to gamma-interferon in experimental murine model of herpes virus]. Antibiot Khimioter 2004; 49:3-6. [PMID: 15850050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The process of the disease due to herpes simplex virus types 1 and 2 (HSV-1 and 2) was studied on white uninbred mice weighing 10 to 12 g. The animals were infected intracerebrally or intraperitoneally. Intraperitoneal contamination of the animals with MS strain of HSV-2 was used for the experimental model of the herpes simplex infection. The prophylactic antiherpes action of ultralow doses of the human gamma-interferon antibodies (ULD of anti-IFN-gamma) at a course of its intragastral administration was evaluated. The preparation was shown to have a significant (p < 0.05) protective effect in a dose of 10 LD50, evident from a 10-fold decrease of the HSV-2 accumulation in the brain, a lower percentage of the animal deaths and an increase of the average lifespan of the animals by 3.3 days. The study of the therapeutic action of ULD of anti-IFN-gamma at a course of its intragastral administration showed that the preparation had no significant positive effect on the disease process in the animals infected with HSV-2 in a dose of 10 LD50. However, a positive effect associated with delayed virus replication in the brain was observed in the study on the therapeutic effect of ULD of anti-IFN-gamma after its intragastral administration to the mice infected with a sublethal dose of the virus.
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Ivchenko SN, Susloparov IM, Masycheva VI, Susloparov MA, Mezentsev AN. [Designing of a liquid serum panel containing or not class IgG antibodies specific to human cytomegalovirus]. Vestn Ross Akad Med Nauk 2004:37-40. [PMID: 15455691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Designing of a liquid serum panel for the determination of class G antibodies specific to human cytomegalovirus (HCMV) is under discussion. Sera were selected by ELISA for antibodies to HCMV and by PCR for CMV DNA. The serum panel comprises samples of positive and negative sera with high and low titers. Sera were stabilized by a stabilization solution. The panel shelf life was evaluated by routine methods and by the "accelerated aging" technique. Sera selected for a standard panel containing or not antibodies to HCMV preserve their properties and stability for as long as 1 year at 4 degrees C.
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Susloparov IM, Pliasunov IV, Safronov PF, Bakhtina MM, Lokteva LA, Grishaev MP, Susloparov MA. [Development and preparation of recombinant gD antigen of the herpes simplex type 1 (HSV-1) virus]. Mol Gen Mikrobiol Virusol 2001:34-7. [PMID: 11449800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
The most potent antigen among HSV-1 proteins are glycoproteins gB(UL27) and gD(US6). Multiple amino acid sequence alignment of these proteins shows that gD protein is the most specific for HSV-1. Analysis of gD protein epitopes detected the main antigenic determinants not cross-reactive with antigens of other viruses. Virus was isolated and genome DNA was prepared from morphological elements of a patient with herpes simplex infection. US6 gene fragment was cloned in pUC19 vector. Cloning in bacterial expression vectors helped obtain beta-galactosidase-fused recombinant HSV-1 gD protein with 6-histidines affine target for high-performance chromatography purification. ELISA with a set of HSV-1-positive and negative donor sera and a commercial panel of HSV-1 sera (Vektor-Best) showed that recombinant gD can be used as an antigen to HSV-1-specific IgG.
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Agafonov AP, Strel'tsova MA, Susloparov IM, Ignat'ev GM. [Immunological status of patients with epidemic parotitis]. Vopr Virusol 2001; 46:30-3. [PMID: 11450141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Immunosuppression was detected in six patients with parotitis. The proliferation of peripheral blood mononuclear cells, NK activity, and CD4/CD8 index decreased, while the production of tumor necrosis factor alpha and interleukin 1 beta increased on day 1 after clinical manifestation of mumps. The clinical diagnosis of mumps was confirmed by serological analysis of paired sera. Besides parotitis virus, herpes simplex type 1 virus was detected in two saliva samples by the polymerase chain reaction. Herpes (lip vesicles) manifested in these patients on days 8 and 11 after manifestation of parotitis.
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Susloparov MA, Susloparov IM, Pliasunov IV, Bakhtina MM, Safronov PF, Grishaev MP, Blinov VM, Ivan'kina TI. [Preparation of P52 recombinant antigenic protein from human cytomegalovirus (HCMV)]. Mol Gen Mikrobiol Virusol 2001:24-9. [PMID: 11186455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
Analysis of published reports helped us single out the most potent antigens among HCMV proteins: phosphoproteins pp150(UL32) and p52(UL44). Theoretical computer analysis of p52 epitopes showed the main antigenic determinants not cross-reacting with antigens of other viruses. Virus-containing (strain AD169) material was obtained and genome DNA was isolated. Amplification of a site of gene UL44 coding for unique determinants detected a PCR fragment of required electrophoretic mobility. The fragment was cloned in vector pLBE. The specificity of cloning was confirmed by restriction analysis of theoretical sites. Nucleotide sequence of cloned fragment of UL44 gene was studied by Maxam-Gilbert's method. Cloning in expressing bacterial vectors helped obtain HCMV recombinant protein p52 in the pure form and fused with beta-galactosidase. Enzyme immunoassay with HCMV-positive and negative donor sera and ABBOTT HCMV sera showed that recombinant p52 increased the sensitivity and specificity of a previously obtained recombinant pp150 as an antigen to HCMV-IgG and HCMV-IgM. The sensitivity and specificity is 100% with 98-99% reliability.
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Affiliation(s)
- M A Susloparov
- Department of Molceular Biology, Faculty of Natural Sciences, Novosibirsk State University
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