RT info:eu-repo/semantics/article T1 Gene Expression Patterns Distinguish Mortality Risk in Patients with Postsurgical Shock A1 Martínez de Paz, Pedro José A1 Aragón Camino, Marta A1 Gómez Sánchez, Esther A1 Lorenzo López, Mario A1 Gómez Pesquera, Estefanía A1 López Herrero, Rocío A1 Sánchez Quirós, Belén A1 Varga Martínez, Olga de la A1 Tamayo Velasco, Álvaro A1 Ortega Loubon, Christian Joseph A1 García Morán, Emilio A1 Gonzalo Benito, Hugo A1 Heredia Rodríguez, María A1 Tamayo Gómez, Eduardo K1 Mortality K1 Mortalidad K1 Postsurgical shock K1 Shock posquirúrgico K1 Sepsis K1 Biomarkers K1 Biomarcadores AB Nowadays, mortality rates in intensive care units are the highest of all hospital units. However, there is not a reliable prognostic system to predict the likelihood of death in patients with postsurgical shock. Thus, the aim of the present work is to obtain a gene expression signature to distinguish the low and high risk of death in postsurgical shock patients. In this sense, mRNA levels were evaluated by microarray on a discovery cohort to select the most differentially expressed genes between surviving and non-surviving groups 30 days after the operation. Selected genes were evaluated by quantitative real-time polymerase chain reaction (qPCR) in a validation cohort to validate the reliability of data. A receiver-operating characteristic analysis with the area under the curve was performed to quantify the sensitivity and specificity for gene expression levels, which were compared with predictions by established risk scales, such as acute physiology and chronic health evaluation (APACHE) and sequential organ failure assessment (SOFA). IL1R2, CD177, RETN, and OLFM4 genes were upregulated in the non-surviving group of the discovery cohort, and their predictive power was confirmed in the validation cohort. This work offers new biomarkers based on transcriptional patterns to classify the postsurgical shock patients according to low and high risk of death. The results present more accuracy than other mortality risk scores. PB MDPI SN 2077-0383 YR 2020 FD 2020 LK https://uvadoc.uva.es/handle/10324/52333 UL https://uvadoc.uva.es/handle/10324/52333 LA eng NO Journal of Clinical Medicine, 2020, vol. 9, n. 5, 1276 NO Producción Científica DS UVaDOC RD 28-dic-2024