RT Journal Article T1 Integrative Clinical, Molecular, and Computational Analysis Identify Novel Biomarkers and Differential Profiles of Anti-TNF Response in Rheumatoid Arthritis A1 Luque-Tévar, Maria A1 Perez-Sanchez, Carlos A1 Patiño-Trives, Alejandra Mª A1 Barbarroja, Nuria A1 Arias de la Rosa, Ivan A1 Abalos-Aguilera, Mª Carmen A1 Marin-Sanz, Juan Antonio A1 Ruiz-Vilchez, Desiree A1 Ortega-Castro, Rafaela A1 Font, Pilar A1 Lopez-Medina, Clementina A1 Romero-Gomez, Montserrat A1 Rodriguez-Escalera, Carlos A1 Perez-Venegas, Jose A1 Ruiz-Montesinos, Mª Dolores A1 Dominguez, Carmen A1 Romero-Barco, Carmen A1 Fernandez-Nebro, Antonio A1 Mena-Vázquez, Natalia A1 Marenco, Jose Luis A1 Uceda-Montañez, Julia A1 Toledo-Coello, Mª Dolores A1 Aguirre, M. Angeles A1 Escudero-Contreras, Alejandro A1 Collantes-Estevez, Eduardo A1 Lopez-Pedrera, Chary K1 Rheumatoid arthritis K1 Anti-TNF agents K1 Inflammation K1 NEtosis K1 MicroRNAs K1 Machine learning K1 Predictors K1 Efficacy K1 Biomarkers K1 Phenotype K1 Oxidative stress K1 Artritis reumatoide K1 Inhibidores del factor de necrosis tumoral K1 Inflamación K1 MicroARNs K1 Aprendizaje automático K1 Eficacia K1 Biomarcadores K1 Fenotipo K1 Estrés oxidativo AB Background: This prospective multicenter study developed an integrative clinical and molecular longitudinal study in Rheumatoid Arthritis (RA) patients to explore changes in serologic parameters following anti-TNF therapy (TNF inhibitors, TNFi) and built on machine-learning algorithms aimed at the prediction of TNFi response, based on clinical and molecular profiles of RA patients. Methods: A total of 104 RA patients from two independent cohorts undergoing TNFi and 29 healthy donors (HD) were enrolled for the discovery and validation of prediction biomarkers. Serum samples were obtained at baseline and 6 months after treatment, and therapeutic efficacy was evaluated. Serum inflammatory profile, oxidative stress markers and NETosis-derived bioproducts were quantified and miRNomes were recognized by next-generation sequencing. Then, clinical and molecular changes induced by TNFi were delineated. Clinical and molecular signatures predictors of clinical response were assessed with supervised machine learning methods, using regularized logistic regressions. Results: Altered inflammatory, oxidative and NETosis-derived biomolecules were found in RA patients vs. HD, closely interconnected and associated with specific miRNA profiles. This altered molecular profile allowed the unsupervised division of three clusters of RA patients, showing distinctive clinical phenotypes, further linked to the TNFi effectiveness. Moreover, TNFi treatment reversed the molecular alterations in parallel to the clinical outcome. Machine-learning algorithms in the discovery cohort identified both, clinical and molecular signatures as potential predictors of response to TNFi treatment with high accuracy, which was further increased when both features were integrated in a mixed model (AUC: 0.91). These results were confirmed in the validation cohort. Conclusions: Our overall data suggest that: 1. RA patients undergoing anti-TNF-therapy conform distinctive clusters based on altered molecular profiles, which are directly linked to their clinical status at baseline. 2. Clinical effectiveness of anti-TNF therapy was divergent among these molecular clusters and associated with a specific modulation of the inflammatory response, the reestablishment of the altered oxidative status, the reduction of NETosis, and the reversion of related altered miRNAs. 3. The integrative analysis of the clinical and molecular profiles using machine learning allows the identification of novel signatures as potential predictors of therapeutic response to TNFi therapy. PB Frontiers YR 2021 FD 2021-03-23 LK http://hdl.handle.net/10668/4348 UL http://hdl.handle.net/10668/4348 LA en NO Luque-Tévar M, Perez-Sanchez C, Patiño-Trives AM, Barbarroja N, Arias de la Rosa I, Abalos-Aguilera MC, et al. Integrative Clinical, Molecular, and Computational Analysis Identify Novel Biomarkers and Differential Profiles of Anti-TNF Response in Rheumatoid Arthritis. Front Immunol. 2021 Mar 23;12:631662 DS RISalud RD Apr 7, 2025