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Systems biology approaches to investigating the roles of extracellular vesicles in human diseases
András Gézsi,Árpád Kovács,Tamás Visnovitz,Edit I. Buzás 생화학분자생물학회 2019 Experimental and molecular medicine Vol.51 No.-
substantial attention as carriers of complex intercellular information. They have been implicated in a wide variety of biological processes in health and disease. They are also considered to hold promise for future diagnostics and therapy. EVs are characterized by a previously underappreciated heterogeneity. The heterogeneity and molecular complexity of EVs necessitates high-throughput analytical platforms for detailed analysis. Recently, mass spectrometry, nextgeneration sequencing and bioinformatics tools have enabled detailed proteomic, transcriptomic, glycomic, lipidomic, metabolomic, and genomic analyses of EVs. Here, we provide an overview of systems biology experiments performed in the field of EVs. Furthermore, we provide examples of how in silico systems biology approaches can be used to identify correlations between genes involved in EV biogenesis and human diseases. Using a knowledge fusion system, we investigated whether certain groups of proteins implicated in the biogenesis/release of EVs were associated with diseases and phenotypes. Furthermore, we investigated whether these proteins were enriched in publicly available transcriptomic datasets using gene set enrichment analysis methods. We found associations between key EV biogenesis proteins and numerous diseases, which further emphasizes the key role of EVs in human health and disease.
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THE DETERMINANTS OF TRUSTING AND RECIPROCAL BEHAVIOUR : EVIDENCE FROM AN INTERCULTURAL EXPERIMENT
CSONGOR CSUKÁS,PAULO FRACALANZA,TAMÁS KOVÁCS,MARC WILLINGER 중앙대학교 경제연구소 2008 Journal of Economic Development Vol.33 No.1
In this paper we provide evidence that trust and reciprocity, the two key elements of social capital, are affected by country differences. Based on the amounts sent and returned in the investment game by student subjects we find evidence on trusting and reciprocal behaviour and we show significant cross-country differences between the levels of trust and reciprocity. We also show that the answers for ‘trust in strangers’ type attitudinal questions have a significant effect either on trusting or reciprocal behaviour, while gender does not affect any of them. We report that reciprocity is affected by the same variables as trust: in particular stated trust has a significant influence on reciprocal behaviour, which can be explained by attitudes such as projective reasoning. Furthermore, we find that questionnaire based rankings of countries are poor predictors of trusting behaviour rankings, which is mainly due to the differences in strength of correlation between stated trust and trusting behaviour country-by-country. In this paper we provide evidence that trust and reciprocity, the two key elements of social capital, are affected by country differences. Based on the amounts sent and returned in the investment game by student subjects we find evidence on trusting and reciprocal behaviour and we show significant cross-country differences between the levels of trust and reciprocity. We also show that the answers for ‘trust in strangers’ type attitudinal questions have a significant effect either on trusting or reciprocal behaviour, while gender does not affect any of them. We report that reciprocity is affected by the same variables as trust: in particular stated trust has a significant influence on reciprocal behaviour, which can be explained by attitudes such as projective reasoning. Furthermore, we find that questionnaire based rankings of countries are poor predictors of trusting behaviour rankings, which is mainly due to the differences in strength of correlation between stated trust and trusting behaviour country-by-country.
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