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Country: Italy
150 Projects, page 1 of 30
  • Funder: EC Project Code: 259229
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  • Funder: EC Project Code: 852560
    Overall Budget: 1,999,380 EURFunder Contribution: 1,999,380 EUR

    To meet medical needs worldwide, tissue engineering must move from successful pre/clinical products towards an effective process to meet Worldwide medical needs, but this is challenging since a quantitative design framework has not emerged, yet. Synthetic biology (SYNBIO) was the solution that genetic engineers found to the same problem: “Despite tremendous individual successes in genetic engineering and biotechnology […], why is the engineering of useful synthetic biological systems still an expensive, unreliable and ad hoc research process?” asked Dr. Endy in a 2005 letter to Nature. The SYNBIO solution included: i) libraries of DNA parts with well-characterized effect on cells; ii) tools to computationally design system-level assemblies, or designer-DNA; and, iii) bottom-up engineering of cell functions using progressively more complex designer-DNA. Effectively, SYNBIO introduced a computer-aided design and manufacturing (CAD/M) platform that transformed the process of engineering cells. However, since inputs from the extracellular matrix (ECM) have largely been ignored, progress towards programmable tissue-level behavior have been more modest. Here, we will build on my experience with computational and experimental models in cardiac tissue engineering to develop a CAD/M framework for engineering cardiac tissues with computationally predictable properties, or designer-ECM. To characterize ECM-cell interactions, we will use traction force and super-resolution microscopy with fluorescence in-situ sequencing. To model multiscale ECM-cell interactions, we will use ordinary differential equations and subcellular element models. Finally, we will leverage ECM parts and human induced pluripotent stem cells to bioprint designer-ECM that recapitulate three phases of heart development: trabeculation, compaction, and maturation. With synthetic matrix biology (SYNBIO.ECM), we will develop a CAD/M-based process and a new class of products for cardiac tissue engineering.

  • Funder: EC Project Code: 101039467
    Overall Budget: 1,495,100 EURFunder Contribution: 1,495,100 EUR

    Cancer is a global health burden. In-vitro pre-clinical models play a key role in fighting this burden by encompassing all the activities prior to clinical trials, from tumor microenvironment reconstruction to drug candidate selection. However, the frequent failure of promising pre-clinical drug candidates highlights two major drawbacks of these models: (i) the difficult reproduction of the dynamic cancer structure related to numerous physical cues; (ii) their experimental nature that suffers from high costs, long times, and limited understanding. Consequently, the relationship between dynamic physical cues, cell behavior, and drug efficacy is still unknown. CoDe4Bio tackles such a huge knowledge deficiency. We propose a radical methodology shift to a computational approach to harness programmable materials, able to change properties on demand, and realize dynamic 4D biofabricated models whose stimuli-triggered evolution over time (4th dimension) induces targeted physical cues on cancer cells. We will leverage my extensive experience with smart materials and structures to address the challenges of this multidisciplinary project. Specifically, we will develop a computational design framework for 4D biofabrication that combines new data-, geometry-, and model-based methods with additive manufacturing and in-vitro observations. This framework will allow us to develop customized stimuli-responsive materials and engineer a new generation of 4D constructs with programmable mechano-structural properties and acting as mechanical regulators. We will assess the constructs in-vitro on chronic lymphocytic leukemia to achieve a deep understanding on how complex physical cues within lymph nodes and bone marrow affect this incurable cancer in relation to chemoimmuno and targeted therapies. CoDe4Bio will push the frontiers of solid and computational mechanics to unveil unconventional routes for pre-clinical drug screening and lay the foundation for effective dynamic cancer models.

  • Funder: EC Project Code: 714936
    Overall Budget: 1,697,500 EURFunder Contribution: 1,697,500 EUR

    Subduction of one tectonic plate below another is the primary cause of catastrophic geological events such as earthquakes and explosive volcanism that directly impact thousands of kilometers of coastal and mountain areas located on convergent margins. Real-time geophysical or seismic data only provide static snapshots of these subduction zones today. Therefore, quantitative understanding of the rates and true depths of subduction can only be achieved by determining the pressure-temperature-time-depth histories of Ultra-High-Pressure Metamorphic (UHPM) rocks that have been subducted to pressures greater than 3 GPa and subsequently exhumed. Conventional mineral thermo-barometry is severely challenged in UHPM terraines and thus the mechanisms attending the downwards transport of crustal material, and its return back to the Earth’s surface (exhumation), are still a matter of vigorous debate. The TRUE DEPTHS project will develop X-ray diffraction analysis of the anisotropic elastic interactions of inclusion minerals trapped inside host minerals. I will develop non-linear elasticity theory to provide a method that will be uniquely able to determine whether significant deviatoric stresses are recorded by UHPM rocks. By applying this method to samples from carefully selected field areas, I will be able to determine if metamorphic phase equilibria represent the true depths of UHPM, in which case subduction to depths in excess of 90 km must occur. Alternatively, quantitative measurements of large deviatoric stresses could indicate that tectonic over-pressure can account for the observed phase equilibria, thus not requiring deep subduction. If overpressurized domains are present in tectonically thickened lithosphere, they may represent a driving force for stress release leading to earthquakes. The results will provide new constraints on earthquake triggering mechanisms and how the styles of subduction and its detailed mechanisms have evolved over Earth’s history.

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  • Funder: EC Project Code: 896865
    Overall Budget: 183,473 EURFunder Contribution: 183,473 EUR

    Colorectal cancer (CRC) results from the accumulation of genetic and epigenetic changes in colonic epithelial cells. Epigenome studies revealed that virtually all CRCs contain aberrantly methylated genes and perturbed methylation patterns. Ten-Eleven Translocation (TET) protein family dioxygenases oxidize 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC) and further to other oxidized 5mCs, supporting active DNA demethylation and helping maintain epigenomic stability. Loss of TET1 is an oncogenic driver in some CRCs. My preliminary analysis indicates that human CRCs have low TET2 mRNA levels compared to normal colorectal tissue, and suggests that low TET2 expression predicts increased mutational load and reduced overall survival. However, whether TET2 deficiency contributes to CRC pathogenesis, or represents a bystander event, remains to be established. In this proposal, I will elucidate the role of TET2 in CRC pathogenesis by testing whether TET2 knockdown induces methylome and transcriptome reprogramming, ultimately promoting (epi)genomic instability and tumor growth. I will also investigate correlations between TET2 defects and molecular/clinico-pathological parameters, and probe TET2 expression as predictive biomarker of response to CRC therapies. With these aims, I will use a multi-disciplinary approach, combining cell biology, cancer epigenetics, bioinformatics, human and mouse studies with cutting-edge techniques such as 3D cell culture and RNA-seq. This study should establish a clear causal link between TET2 loss and CRC pathogenesis, providing new insight into the mechanism of TET2-mediated tumor suppression and leading to the development of innovative therapies that exploit vulnerabilities of TET2-deficient CRC cells. Overall, this project has both basic and translational significance, and the potential to advance our understanding of CRC carcinogenesis and therapeutic response.

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