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Revision as of 12:32, 12 October 2021 by DG Regio (talk | contribs) (‎Created claim: summary (P836): Current soft tissue repair treatments use synthetic biomaterials as an integral part of medical devices designed to replace lost natural functions (BM-TB). The design of new BM-TB capable of guiding and stimulating specific responses to the molecular level, coupled with a detailed study of cell-material interactions, can open a new chapter in personalised medicine where BM-TBs prepare to match each type of tissue and pathology. SCENARIO: alterat...)
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Project Q3137987 in Spain
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Project Q3137987 in Spain

    Statements

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    48,250.0 Euro
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    96,500.0 Euro
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    50.0 percent
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    1 January 2018
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    31 March 2021
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    FUNDACION INSTITUTO DE INVESTIGACION DEL HOSPITAL UNIVERSITARIO VALL D'HEBRON (VHIR)
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    41°22'58.40"N, 2°10'38.75"E
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    08019
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    Los tratamientos actuales para la reparación de tejidos blandos utilizan biomateriales sintéticos como parte integral de dispositivos médicos diseñados para reemplazar funciones naturales perdidas (BM-TB). El diseño de nuevos BM-TB capaces de guiar y estimular respuestas específicas al nivel molecular, acoplado a un estudio detallado de las interacciones célula-material, puede abrir un nuevo capítulo en la medicina personalizada dónde los BM-TB se preparen para concordar con cada tipo de tejido y patología. HIPÓTESIS: alteraciones en la estructura y función de fibroblastos derivados de tejidos blandos comprometidos (hernia abdominal y prolapso de órganos pélvicos), crearán interfaces específicas, susceptibles de ser modelizadas y manipuladas “in vitro” (en contacto con polímeros modificados) a un nivel mecanicista. OBJETIVOS: 1) Obtener, propagar y caracterizar fibroblastos de biopsias peroperatorias; 2) Evaluar una selección de tratamientos en las superficies de 2 materiales escogidos por su uso común cómo BM-TB. METODOLOGÍA: A) Tipo de estudio: Experimental in vitro; B) Sujetos: Fibroblastos primarios de pacientes con hernia incisional, prolapso de órganos pélvicos, y control (n=20/grupo); Materiales: Polipropileno y PVDF; C) Metodología: Cultivo y caracterización (morfológica, funcional, expresión génica), de los fibroblastos primarios en placa y en sustratos con/sin modificación de superficies; Fabricación de nanotopografias superficiales y caracterización físico-química (interferometria luz blanca, ángulo de contacto, microscopia electrónica (SEM), potencial Z) de los materiales; Biofuncionalización superficial para inducir una respuesta celular/tisular específica (péptidos y/o fragmentos de proteínas) y caracterización: Espectroscopia de fotoelectrones (XPS), técnicas de inmunofluorescencia. Espectroscopia de RAMAN; D: Análisis estadístico e integración de resultados. (Spanish)
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    Current soft tissue repair treatments use synthetic biomaterials as an integral part of medical devices designed to replace lost natural functions (BM-TB). The design of new BM-TB capable of guiding and stimulating specific responses to the molecular level, coupled with a detailed study of cell-material interactions, can open a new chapter in personalised medicine where BM-TBs prepare to match each type of tissue and pathology. SCENARIO: alterations in the structure and function of fibroblasts derived from compromised soft tissues (abdominal hernia and pelvic organ prolapse), will create specific interfaces, capable of being modelled and manipulated “in vitro” (in contact with modified polymers) at a mechanistic level. OBJECTIVES: 1) Obtain, propagate and characterise fibroblasts from peroperative biopsies; 2) Evaluate a selection of treatments on surfaces of 2 materials chosen for their common use as BM-TB. METHODOLOGY: Type of study: In vitro experimental; B) Subjects: Primary fibroblasts in patients with incisional hernia, pelvic organ prolapse, and control (n=20/group); Materials: Polypropylene and PVDF; Methodology: Culture and characterisation (morphological, functional, gene expression), of primary fibroblasts on plate and on substrates with/without surface modification; Manufacture of surface nanotopographies and physicochemical characterisation (white light interferometry, contact angle, electron microscopy (SEM), potential Z) of materials; Surface biofunctionalisation to induce a specific cell/tisular response (peptides or protein fragments) and characterisation: Photoelectron spectroscopy (XPS), immunofluorescence techniques. RAMAN spectroscopy; D: Statistical analysis and integration of results. (English)
    12 October 2021
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    Barcelona
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    Identifiers

    PI17_01236
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