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Ma Teresa Quiles Pérez

Institutions of which they are part

Senior researcher
General Surgery
Vall Hebron Institut de Recerca

Ma Teresa Quiles Pérez

Institutions of which they are part

Senior researcher
General Surgery
Vall Hebron Institut de Recerca

Research lines

Abdominal Wall. Biomaterials and bioengineering

Research focus

The reconstruction of abdominal wall defects is the problem with which surgeons are confronted more often. These defects may have an acute (trauma, cancer, infections) or chronic (hernia pathology) origin. Despite technical advances, the specific pathomechanisms and diverse treatment aspects remain controversial. In this line, surgeons and basic researchers work closely with other specialists (including pathologists, microbiologists, mathematicians and engineers) to better understand the promoting forces that trigger hernia formation and tissue rupture, from a mechanistic point of view. The studies are based on patient-derived tissue samples and primary fibroblasts, as well as on surgically-induced experimental models. Moreover, soft-tissue repair devices are being investigated by means of “in vitro” and “in vivo” experimental models. Quality care and surgical outcomes research studies are also developed.


Sub-lines


Basic Research


1. Extracellular matrix, inflammation and cell death induction in abdominal wall defects. This line focuses on the role of cell-extracellular matrix (ECM) interactions in the fields of inflammation and tissue repair. Recent data from our laboratory provide compelling evidence on how the local ECM may

influence incisional hernia development. They suggest that fascia atrophy may be an active driver of the disease, by means of transducing signals that affect cell survival, functional phenotype, and (probably) gene expression. Also, they identify fibroblasts and cell fragility as major pathogenic contributors to incisional hernia formation. The accumulation of apoptotic-prone defective fascia fibroblasts may not support normal fascial structure and function, and thus enhance proteolytic fascial destruction in a context of low cell proliferation. Currently, we are investigating changes in subsets of genes from incisional hernia derived primary fibroblasts.


2. Biomaterials and soft tissue repair. Current surgical practice supports the use of permanent prosthetic meshes as the best method for hernia repair. Still, no material has gained a preference for universal use and numerous complications are still reported. This line analyzes different new generation materials for soft-tissue (self-)repair. Our approach includes the characterization of the devices surface and biomechanics, as well as the analyses of host cell-substrate interactions, by means of “in-vitro” (primary fibroblasts derived from control and IH patients) and “in-vivo” (rats) experimental models. The ultimate goal is to impact on the development of new tailored implants based on fibroblasts and biomimetic materials, which are clinically useful to mend damaged tissues.



Clinical research


3. To improve quality care and outcome procedures in the field of abdominal wall surgery, several aspects are evaluated from a clinical point of view: 1. Quality care procedures after elective and emergency hernia surgery, and patients’ follow-ups (outpatient visits, telephone, utili ty of a postal questionnaire); 2. Prevention and treatment of hernias (periostomal, incisional, and inguinal), and their related complications; Implementation of new technical procedures, such as the use of new-generation prosthetic materials and sutures, components’ separation technique (open/endoscopic); pre-peritoneal prosthetic mesh use in the treatment of inguinal hernia; hernia laparoscopic surgery; application of progressive pneumoperitoneum in the treatment of giant incisional hernias, etc.; 3. Biomaterials: validation of new architectures and designs (polymer scaffolds; extracellular matrix-derived biological implants; biodegradable and bioactive –ie, antibacterial properties- grafts); 4. Virtual Reality (in collaboration with the Universitat Rovira i Virgili, Tarragona, (URV), and the Universitat Politècnica de Catalunya (UPC)): Abdominal’s wall virtual simulation, for clinical and educational purposes; 5. Surgical Sutures (European Project).

IP: Maria Antonia Arbos Via, Manuel Armengol Carrasco, Manuel López Cano, Ma Teresa Quiles Pérez

Projects

GRUP DE RECERCA EN CIRURGIA GENERAL (GRCG-VHIR)

IP: Maria Antonia Arbos Via
Collaborators: Oscar González López, Amador Garcia Ruiz de Gordejuela, Manuel López Cano, Jose Luis Sánchez García, Iñigo Royo Crespo, Jordi Sabadell García, Laura Maria Romero Vielva, Ma Teresa Quiles Pérez, Francesc Vallribera Valls, Nivardo Rodríguez Conde, Marc Martí Gallostra, Manuel Armengol Carrasco, Eloy Espín Basany, Mireia Verdaguer Tremolosa, Sandra Castro Boix, Ramón Vilallonga Puy, Alberto Jauregui Abularach, Franco Marinello, GRUP DE RECERCA EN CIRURGIA GENERAL (GRCG-VHIR), Alejandro Solis Peña
Funding agency: Agència Gestió Ajuts Universitaris i de Recerca
Funding: 0.01
Reference: 2021 SGR 00210
Duration: 01/01/2022 - 30/06/2025

Alteraciones biomoleculares en la matriz extracelular como herramienta para establecer nuevos perfiles de pacientes y predicción de respuesta a cirugía bariátrica. Estudio en humanos y ratas.

IP: -
Collaborators: Oscar González López, Ma Teresa Quiles Pérez, Andreea Ciudin Mihai, Esther Gil Barrionuevo, Maria Antonia Arbos Via
Funding agency: Instituto de Salud Carlos III
Funding: 122815
Reference: PI17/01879
Duration: 01/01/2018 - 30/06/2022

Interacción de biomateriales y fibroblastos disfuncionales de tejidos humanos comprometidos. Tratamientos superficiales de polímeros actuales utilizados en la reparación de tejidos blandos.

IP: Manuel Armengol Carrasco
Collaborators: Manuel López Cano, Jordi Sabadell García, Ma Teresa Quiles Pérez, Sabina Salicrú Riera, Maria Antonia Arbos Via
Funding agency: Instituto de Salud Carlos III
Funding: 116765
Reference: PI17/01236
Duration: 01/01/2018 - 30/06/2022

Cirurgia General (GRC)

IP: Manuel Armengol Carrasco
Collaborators: Oscar González López, Manuel López Cano, Jose Luis Sánchez García, Jordi Sabadell García, Laura Maria Romero Vielva, María Deu Martín, Ma Teresa Quiles Pérez, Francesc Vallribera Valls, Jose Manuel Fort López-Barajas, Nivardo Rodríguez Conde, Cirurgia General (GRC), Marc Martí Gallostra, Jordi Pradell Teigell, Eloy Espín Basany, Sandra Castro Boix, Ramón Vilallonga Puy, Alberto Jauregui Abularach, Maria Antonia Arbos Via, Cirurgia General (GRC)
Funding agency: Agència Gestió Ajuts Universitaris i de Recerca
Funding: 30000
Reference: 2014 SGR 1075
Duration: 01/01/2014 - 31/12/2016

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