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Wyświetlanie 1-15 z 63
Tytuł:
The assessment of knowledge about viral hepatitis among Polish society
Autorzy:
Ślusarz, Krystian
Szczygieł, Katarzyna
Sobala-Szczygieł, Barbara
Jaroszewicz, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/1065218.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
HAV infection
HBV infection
HCV infection
knowledge assessment
viral hepatitis A
viral hepatitis B
viral hepatitis C
Opis:
Viral hepatitis is caused by viruses, the most important of which are hepatitis A virus (HAV), hepatitis B virus (HBV) and hepatitis C virus (HCV). New discoveries and new therapeutic options result in better and better results of treatment. However, the public's awareness of the occurrence of these diseases and the detection of infections as soon as possible is still important, what is associated with better outcomes. In order to assess the basic knowledge about viral hepatitis among Polish society, an online survey spread throughout Poland and covering mainly young people was created. 2205 responses were collected and analyzed. On the basis of the results obtained, it can be concluded that Polish youth have little knowledge about viral hepatitis, what is associated with less awareness of the possibility of infection.
Źródło:
World Scientific News; 2019, 135; 1-13
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Viral Marketing – The Case of Turkey
Autorzy:
Lewicka, Hanna
Powiązania:
https://bibliotekanauki.pl/articles/540616.pdf
Data publikacji:
2017-12-12
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
viral marketing
Turkey
advertising
digital media
Opis:
Turkish advertisements in the form of a case study to determine which factors seem to play the most important role in terms of viral marketing message perception in Turkey. As a country in which the increasing role of digital media and the internet is beginning to dominate interpersonal communication, the use of viral approach in marketing is also growing. The examples of most viral videos in Turkey from the previous years confi rm that the most important factor which determines the success of a viral message is its content, which should be at the same time attention-catching and entertaining. Nevertheless, the seeding strategy is the factor which accelerates the success of viral messages.
Źródło:
Journal of Marketing and Consumer Behaviour in Emerging Markets; 2017, 2(6); 37-53
2449-6634
Pojawia się w:
Journal of Marketing and Consumer Behaviour in Emerging Markets
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stress granules (SG) and processing bodies (PB) in viral infections
Autorzy:
Malinowska, Magdalena
Niedźwiedzka-Rystwej, Paulina
Tokarz-Deptuła, Beata
Deptuła, Wiesław
Powiązania:
https://bibliotekanauki.pl/articles/1038793.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
stress granules
processing bodies
viral infection
Opis:
During reaction to stress caused by viral infection, RNA granules are formed in order to protect mRNA. Stress granules (SG) and processing bodies (PB) provide cell homeostasis and mRNA stability. They are formed, for example, during polio virus and MRV (mammalian orthoreovirus) infections. Some viruses, such as influenza virus and HTLV-1 (Human T-lymphotropic virus 1), block the formation of granules. In addition, there are viruses like West Nile Virus, Hepatitis C Virus (HCV) or human Herpes viruses, which influence the functioning of the granules.
Źródło:
Acta Biochimica Polonica; 2016, 63, 2; 183-188
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Neurological complications encountered in imaging studies in association with COVID-19 – a single center analysis
Autorzy:
Erok, Berrin
Önder Atca, Ali
Önder, Hakan
Powiązania:
https://bibliotekanauki.pl/articles/2049185.pdf
Data publikacji:
2022-03-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
COVID-19
direct viral toxicity
endotheliitis
Opis:
Introduction and aim. COVID-19 is a viral infectious disease, which was first reported in patients with unusual pneumonia in December 2019. However, as the pandemic progressed, extrapulmonary manifestations including various neurologic complications have been started to be increasingly reported. In this retrospective study, we tried to search the neurological complications seen in our patients with positive rRT-PCR test for COVID-19 and examine the underlying associated risk factors. Material and methods. We have retrospectively analyzed the neuroimaging studies performed in our patients with positive rRT-PCR test for COVID-19 between April, 2020 and August, 2021. Both computed tomography (CT) scans and magnetic resonance imagings (MRI) of brain, head & neck region and the spine were retrospectively evaluated for the presence of any complications in patients with positive rRT-PCR test for COVID-19. Results. There were 147 patients having neuroradiological imaging studies performed for various neurological symptoms. Among these patients we detected 10 acute neurologicalcomplications.The most common was acute ischemic stroke in 5 patients and intracranial hemorrhage in 3 patients, two of which were intraventricular hemorrhage. The other complications included a preasumed cytotoxic lesion of corpus callosum in a 18 year old girl and lumbar spondylodiscitis complicated with psoas abcess in a 47 year-old man. Conclusion. In COVID-19 patients severe neurological complications can occur even as a presenting manifestation. Early cytotoxic endothelial injury can be the underlying cause in these patients and should be further studied in larger series in terms of what the susceptibility factors in these patients.
Źródło:
European Journal of Clinical and Experimental Medicine; 2022, 1; 5-10
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chemerin and the recruitment of NK cells to diseased skin*
Autorzy:
Skrzeczyńska-Moncznik, Joanna
Stefańska, Anna
Zabel, Brian
Kapińska-Mrowiecka, Monika
Butcher, Eugene
Cichy, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1040596.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
viral pathogens
NK cells
skin diseases
chemerin
Opis:
Natural killer (NK) cells play a major role in the initial control of many viral pathogens and in the rejection of tumors. Consistent with their roles as immune sentinels, NK cells are found in inflamed skin, including lichen planus, psoriasis and atopic dermatitis (AD) lesions. In oral lichen planus lesions, the recruitment as well as intradermal colocalization of NK cells and pDC (plasmacytoid dendritic cells) appear to be mediated by chemerin, a recently identified protein ligand for chemokine-like receptor 1 (CMKLR1), a chemoattractant receptor expressed by both cell types. Dendritic cells can regulate NK cell activity, and NK cells can regulate DC-mediated responses. Since chemerin was recently implicated in recruitment of pDC to psoriatic skin, in this work we determined whether chemerin facilitates interactions between NK and pDC in psoriatic plaques through controlling influx of NK cells to diseased skin. We demonstrate that circulating NK cells from normal donors as well as psoriasis and AD patients respond similarly in functional migration assays to chemerin. However, differences in the distribution of NK cells and pDC in skin lesions suggest that recruitment of both NK cells and pDC is unlikely to be controlled solely by chemerin.
Źródło:
Acta Biochimica Polonica; 2009, 56, 2; 355-360
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular mechanisms of genome expression of coxsackievirus B3 that belongs to enteroviruses
Autorzy:
Dutkiewicz, M.
Swiatkowska, A.
Ojdowska, A.
Smolska, B.
Dymarek-Babs, T.
Jasinska, A.
Ciesiolka, J.
Powiązania:
https://bibliotekanauki.pl/articles/80289.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
enterovirus
pathogen
human disease
viral infection
coxsackievirus B3
gene expression
molecular mechanism
untranslated region
viral replication
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2012, 93, 4
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ethnobotanical Survey of Medicinal Plants Used in Treating Viral Infection in Saki West Local Government Area, Oyo State, Nigeria
Autorzy:
Fingesi, U. I.
Buochuama, A.
Abdulrahman, Q. A.
Powiązania:
https://bibliotekanauki.pl/articles/1112778.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
ethnobotanical survey
herbs
medicinal plant
viral infection
Opis:
Most indigenous people have acquired expertise in the use of medicinal plants, but information on the utilization of the medicinal plants are poorly documented. Thus, this study deals with the ethnobotanical survey of medicinal plants used in treating viral infections in Saki West Local Government Area, Oyo State. Data was collected using structured questionnaires and oral interviews to acquire information from selected members of Saki West Local Government Area. A total of sixty (60) structured questionnaires were given randomly to respondents in the selected villages in the study area. Data were analyzed using descriptive statistics. The finding shows that the majority of the respondents were females (61.7%). Moreover, 50 % of the respondents were from the age group of 31 to 40 (also the largest group). In addition, a majority (88.3%) of the respondents were married, and only a few (16.7%) had no formal education. Furthermore, the major occupation of the respondents was herb selling (35.0%). The findings on the various plant parts utilized for herbal medicine indicated that the leaves, stem bark and whole root were the most commonly used parts. Most of the respondents also prepared herbal medicine by decoction. What is more, oral ingestion (drinking) was found to be the most (70.0%) preferred mode of administration in the study area. Finally, the major problem encountered while acquiring medicinal plants was wild animal threat. This work indicated that there is a need for an ethnobotanical survey in every state of the nation on the medicinal plants used in the treatment of viral infection.
Źródło:
World News of Natural Sciences; 2018, 17; 89-101
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The risk of contracting Ebola virus and its prevention
Autorzy:
Lesňáková, Anna
Rovný, Ivan
Hlinková, Soňa
Powiązania:
https://bibliotekanauki.pl/articles/528550.pdf
Data publikacji:
2016
Wydawca:
Krakowska Akademia im. Andrzeja Frycza Modrzewskiego
Tematy:
viral disease
transmission
clinical manifestation
incidence
measures
Opis:
Ebola is a severe, acute viral disease, characterized by the sudden onset of fever, vomiting, and profuse diarrhoea, leading to severe dehydration, haemorrhagic diathesis, significant blood loss, shock, often with a fatal outcome. The disease is transmitted by either direct contact with blood or other bodily fluids of live or deceased infected people. Transmission may also occur by unprotected sexual contact or by direct contact with the blood or body fluids of animals. Before 2013, the maximum number of infected people in a single outbreak of Ebola was 425. This figure was significantly exceeded during the largest wave of Ebola that began in December 2013 in West Africa. The epidemiological situation is being closely monitored by the states of the European Union. The World Health Organization has issued recommendations for travellers to countries affected by the Ebola virus.
Źródło:
Państwo i Społeczeństwo; 2016, 4; 117-125
1643-8299
2451-0858
Pojawia się w:
Państwo i Społeczeństwo
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Infectious diseases of horseradish (Cochlearia armoracia L.) in Poland.
Autorzy:
Górecka, Krystyna
Lehmann, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/2198832.pdf
Data publikacji:
2001-06-21
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
Cochlearia armoracia
diseases: fungal and viral
horseradish
Opis:
Poland is an important horseradish grower in Europe, therefore the problems concerning its cultivation and diseases are considered vital. Horseradish diseases can be classified as non-infectious and fungal, bacterial or virus origin. The most important fungal disease is white-rust caused by Albugo candida, which can be responsible for up to 50% loss of yield, in the case of heavy infection. Bacterial diseases are not very important now. Turnip mosaic virus (TuMV), arabis mosaic virus (AMV) and tomato black ring virus (TBRV) were found so far on horseradish in Poland. The most important is TuMV, which was found in almost 100% collected horseradish samples and caused yield loss about 40%. The virus TuMV belongs to the Potyvirus genus (VC57.0.1) from the Potyviridae family (VC57), which is the largest family of plant viruses. It infects many economically important plants. Attempts to eradicate TuMV by means of thermotherapy proved ineffective. At the Research Institute of Vegetable Crops, methods of obtaining TuMV-free horseradish plants (together with methods of its fast multiplication) have been developed in in vitro cultures.
Źródło:
Plant Breeding and Seed Science; 2001, 45, 1; 55-64
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Occupational diseases in Poland — An overview of current trends
Autorzy:
Szeszenia-Dąbrowska, Neonila
Wilczyńska, Urszula
Powiązania:
https://bibliotekanauki.pl/articles/2179140.pdf
Data publikacji:
2013-06-01
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
occupational poisoning
asbestosis
cancer
viral hepatitis
asthma
Opis:
Introduction: The number of occupational diseases (OD) recorded in Poland in the 1990's rapidly increased, and the numer of recognized cases has steadily decreased until now. Hence, it was decided to demonstrate the trends of selected pathologies which in Poland are "underestimated" in comparison to other countries. The presented data may constitute a basis for further research into the dependence of OD on socio-economic factors. Materials and Methods: Occupational Disease Reporting Forms, completed and sent obligatorily by the state health inspectors to the Central Register of Occupational Diseases were used as source documents for analysis. This work analyzes changes in the incidence of chronic poisonings, asbestosis, voice organ diseases, cancers, viral hepatitis, asthma and the musculoskeletal disorders over the years 1998-2011. Results: In 1998, the total number of registered diseases reached the maximum - 12,017 cases, which fell in the subsequent years to 2,562 cases in 2011. During that period, the incidence rate decreased by 6 cases per year per 100,000 employees. A considerable decrease, exceeding 90% of cases, was observed in voice organ disorders, hearing loss, chronic poisonings and viral hepatitis. The abovementioned changes, as well as improved detection of asbestos-related diseases through implementing a medical examination program of former asbestos processing plant workers, are advantages of the current situation in the epidemiology of OD. However, the disadvantages include underestimation, in comparison to other countries, of asthma, cancer and pathologies of the musculoskeletal system. Conclusion: The reported data indicates the need to assess the occupational fraction of the underestimated pathologies present in the work environment in Poland, as well as the need for studies aimed at clarifying the effect of systemic factors on identifying their occupational background.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2013, 26, 3; 457-470
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Participation of interferon type I during canine parvovirus infection
Autorzy:
Reyes-Cruz, T.
Martínez-Gómez, D.
Verdugo-Rodríguez, A.
Bustos-Martínez, J.
López-Islas, J.
Méndez-Olvera, E.T.
Powiązania:
https://bibliotekanauki.pl/articles/2087108.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
canine parvovirus
antiviral immunity
IFNβ
viral pathogenesis
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 3; 375-384
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structural analyses of AC4 protein of Sri Lankan cassava mosaic virus
Autorzy:
Gupta, S.
Ganguli, S.
Basu, P.
Datta, A.
Powiązania:
https://bibliotekanauki.pl/articles/11568.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
structural analysis
AC4 protein
cassava mosaic virus
RNA silencing
viral infection
viral suppressor
geminivirus
post transcriptional gene silencing
Opis:
RNA silencing is one of the important phenomenon in plant defense mechanism, it actively protect host plants against viral infections. Existing viruses must have developed counter defense strategies to survive this arms race. Such counter defense strategy is the viral silencing suppressor (VSRs) which have been reported to directly interfere with the various steps leading to the interference of viral RNAs. Most identified VSRs are multifunctional, besides being RNA-silencing suppressors, they often perform essential roles by functioning as coat proteins, helper components for viral transmission, replicases and movement proteins, proteases or transcriptional regulators. One such identified VSR is AC4 of Sri Lankan cassava mosaic virus strain. Trivial knowledge about the structure –function relationship of this VSR leads to this work, where we focus on the structure generation by modelling to identify the mode of interactions with the various effector molecules of the silencing pathways. Structural analyses have been performed to screen interacting residues. Results indicate conserved structural features which signify propensity of functional interactions and further shows that this VSR can be a potent tool for the analysis of RNA silencing mechanisms and the relationships between different silencing pathways and VSRs.
Źródło:
International Letters of Natural Sciences; 2015, 06
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling Influence Propagation in Social Networks
Autorzy:
Szczepanek, Anna
Powiązania:
https://bibliotekanauki.pl/articles/1373664.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
social networks
influence propagation
influence maximisation
viral marketing
Opis:
This paper presents a formalised description of the models of influence propagation in social networks introduced in the classic paper of Kempe et al. The formal framework that we propose clarifies the structure of the most popular propagation models and helps rigorously re-establish the essential results concerning the problem of influence maximisation. We also introduce new models of propagation and show how they fit into the general picture. In particular, we focus on models that capture either positive or negative effects of resisting influence on individual’s future resistance.
Źródło:
Schedae Informaticae; 2015, 24; 93-101
0860-0295
2083-8476
Pojawia się w:
Schedae Informaticae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In vivo gene transfer using cetylated polyethylenimine.
Autorzy:
Sochanik, Aleksander
Cichoń, Tomasz
Makselon, Monika
Stróżyk, Małgorzata
Smolarczyk, Ryszard
Jazowiecka-Rakus, Joanna
Szala, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/1041547.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
modified PEI
gene transfer
non-viral vectors
cationic lipids
Opis:
This report describes gene transfer in vitro as well as in vivo using cetylated low-molecular mass (600 Da) polyethylenimine (28% of amine groups substituted with cetyl moieties), termed CT-PEI. This compound is hydrophobic and has to be incorporated into liposomes in order to be suitable for gene transfer studies. Serum-induced plasmid DNA degradation assay demonstrated that CT-PEI-containing liposomal carriers could protect complexed DNA (probably via condensation). In vitro luciferase gene expression achieved using medium supplemented with 10% serum was comparable to that achieved in serum-reduced medium and was highest for CT-PEI/cholesterol liposomes, followed by CT-PEI/dioleoylphosphatidylcholine liposomes and PEI 600 Da (uncetylated) carrier. In vivo systemic transfer into mice was most efficient when liposome formulations contained CT-PEI and cholesterol. Higher luciferase expression was then observed in lungs than in liver. In conclusion: liposomes containing cetylated polyethylenimine and cholesterol are a suitable vehicle for investigating systemic plasmid DNA transfer into lungs.
Źródło:
Acta Biochimica Polonica; 2004, 51, 3; 693-702
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
How RNA viruses exchange their genetic material.
Autorzy:
Alejska, Magdalena
Kurzyńska-Kokorniak, Anna
Broda, Magdalena
Kierzek, Ryszard
Figlerowicz, Marek
Powiązania:
https://bibliotekanauki.pl/articles/1044130.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
RNA recombination
RNA structure
viral replicase
RNA viruses
retroviruses
Opis:
One of the most unusual features of RNA viruses is their enormous genetic variability. Among the different processes contributing to the continuous generation of new viral variants RNA recombination is of special importance. This process has been observed for human, animal, plant and bacterial viruses. The collected data reveal a great susceptibility of RNA viruses to recombination. They also indicate that genetic RNA recombination (especially the nonhomologous one) is a major factor responsible for the emergence of new viral strains or species. Although the formation and accumulation of viral recombinants was observed in numerous RNA viruses, the molecular basis of this phenomenon was studied in only a few viral species. Among them, brome mosaic virus (BMV), a model (+)RNA virus offers the best opportunities to investigate various aspects of genetic RNA recombination in vivo. Unlike any other, the BMV-based system enables homologous and nonhomologous recombination studies at both the protein and RNA levels. As a consequence, BMV is the virus for which the structural requirements for genetic RNA recombination have been most precisely established. Nevertheless, the previously proposed model of genetic recombination in BMV still had one weakness: it could not really explain the role of RNA structure in nonhomologous recombination. Recent discoveries concerning the latter problem give us a chance to fill this gap. That is why in this review we present and thoroughly discuss all results concerning nonhomologous recombination in BMV that have been obtained until now.
Źródło:
Acta Biochimica Polonica; 2001, 48, 2; 391-407
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 63

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