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Analyses of the regulatory transcriptional mechanisms mediated by miRNAs in metabolic syndrome

Grant number: 14/24162-2
Support type:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): May 01, 2016
Effective date (End): January 31, 2020
Field of knowledge:Biological Sciences - Biochemistry
Principal Investigator:Helder Takashi Imoto Nakaya
Grantee:Thiago Dominguez Crespo Hirata
Home Institution: Faculdade de Ciências Farmacêuticas (FCF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:13/08216-2 - CRID - Center for Research in Inflammatory Diseases, AP.CEPID
Associated scholarship(s):17/17345-1 - Immunometabolism of inflammatory diseases: comparing the gene signatures of chikungunya-induced arthritis and obesity, BE.EP.DD


Metabolic Syndrome (MS) is a group of pathologies (diabetes, dyslipidemia, hypertriglyceridemia, hypertension and obesity) associated to higher risk of mortality, cardiovascular events and high medical costs. MicroRNAs (miRNAs) are small noncoding RNA molecules with extensive gene regulatory activity. MiRNAs are involved in the pathophysiology of several metabolic diseases and, therefore, are potential biomarkers. The aim of this research is to use systems biology approaches to study potential regulatory roles of miRNAs in MS. Publicly available gene expression microarray data will be used to build gene networks and modules consistently associated with MS. These data will be integrated with protein-protein interaction data and miRNAs gene target data to identify miRNAs that influence molecular pathways specifically associated with MS. Our results will be then compared with miRNA expression profile data of patients diagnosed with MS. These data will be generated by high throughput sequencing technology (miRNA-seq) and its technical validation will be performed by qPCR. In addition, functional validation of miRNAs will be performed in cells co-transfected with the miRNA and the reporter vector containing the miRNA target gene. Thus, the identification of miRNAs and gene networks associated to different metabolic pathologies will improve our understanding about the complex molecular and pathophysiological mechanisms of the metabolic syndrome. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SCHRODER, WAYNE A.; HIRATA, THIAGO D.; LE, THUY T.; GARDNER, JOY; BOYLE, GLEN M.; ELLIS, JONATHAN; NAKAYAMA, ERI; PATHIRANA, DILAN; NAKAYA, HELDER I.; SUHRBIER, ANDREAS. SerpinB2 inhibits migration and promotes a resolution phase signature in large peritoneal macrophages. SCIENTIFIC REPORTS, v. 9, AUG 27 2019. Web of Science Citations: 0.
RUSSO, PEDRO S. T.; FERREIRA, GUSTAVO R.; CARDOZO, LUCAS E.; BUERGER, MATHEUS C.; ARIAS-CARRASCO, RAUL; MARUYAMA, SANDRA R.; HIRATA, THIAGO D. C.; LIMA, DIOGENES S.; PASSOS, FERNANDO M.; FUKUTANI, KIYOSHI F.; LEVER, MELISSA; SILVA, JOAO S.; MARACAJA-COUTINHO, VINICIUS; NAKAYA, HELDER I. CEMiTool: a Bioconductor package for performing comprehensive modular co-expression analyses. BMC Bioinformatics, v. 19, FEB 20 2018. Web of Science Citations: 12.

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