2021
Authors
Zurek, B; Ellwanger, K; Vissers, LELM; Schüle, R; Synofzik, M; Töpf, A; de Voer, RM; Laurie, S; Matalonga, L; Gilissen, C; Ossowski, S; ’t Hoen, PAC; Vitobello, A; Schulze Hentrich, JM; Riess, O; Brunner, HG; Brookes, AJ; Rath, A; Bonne, G; Gumus, G; Verloes, A; Hoogerbrugge, N; Evangelista, T; Harmuth, T; Swertz, M; Spalding, D; Hoischen, A; Beltran, S; Graessner, H; Haack, TB; Zurek, B; Ellwanger, K; Demidov, G; Sturm, M; Kessler, C; Wayand, M; Wilke, C; Traschütz, A; Schöls, L; Hengel, H; Heutink, P; Brunner, H; Scheffer, H; Steyaert, W; Sablauskas, K; de Voer, RM; Kamsteeg, E; van de Warrenburg, B; van Os, N; te Paske, I; Janssen, E; de Boer, E; Steehouwer, M; Yaldiz, B; Kleefstra, T; Veal, C; Gibson, S; Wadsley, M; Mehtarizadeh, M; Riaz, U; Warren, G; Dizjikan, FY; Shorter, T; Straub, V; Bettolo, CM; Specht, S; Clayton Smith, J; Banka, S; Alexander, E; Jackson, A; Faivre, L; Thauvin, C; Vitobello, A; Denommé Pichon, A; Duffourd, Y; Tisserant, E; Bruel, A; Peyron, C; Pélissier, A; Beltran, S; Gut, IG; Laurie, S; Piscia, D; Matalonga, L; Papakonstantinou, A; Bullich, G; Corvo, A; Garcia, C; Fernandez Callejo, M; Hernández, C; Picó, D; Paramonov, I; Lochmüller, H; Gumus, G; Bros Facer, V; Hanauer, M; Olry, A; Lagorce, D; Havrylenko, S; Izem, K; Rigour, F; Stevanin, G; Durr, A; Davoine, C; Guillot Noel, L; Heinzmann, A; Coarelli, G; Allamand, V; Nelson, I; Yaou, RB; Metay, C; Eymard, B; Cohen, E; Atalaia, A; Stojkovic, T; Macek, M; Turnovec, M; Thomasová, D; Kremliková, RP; Franková, V; Havlovicová, M; Kremlik, V; Parkinson, H; Keane, T; Senf, A; Robinson, P; Danis, D; Robert, G; Costa, A; Patch, C; Hanna, M; Houlden, H; Reilly, M; Vandrovcova, J; Muntoni, F; Zaharieva, I; Sarkozy, A; Timmerman, V; Baets, J; Van de Vondel, L; Beijer, D; de Jonghe, P; Nigro, V; Banfi, S; Torella, A; Musacchia, F; Piluso, G; Ferlini, A; Selvatici, R; Rossi, R; Neri, M; Aretz, S; Spier, I; Sommer, AK; Peters, S; Oliveira, C; Pelaez, JG; Matos, AR; José, CS; Ferreira, M; Gullo, I; Fernandes, S; Garrido, L; Ferreira, P; Carneiro, F; Swertz, MA; Johansson, L; van der Velde, JK; van der Vries, G; Neerincx, PB; Roelofs Prins, D; Köhler, S; Metcalfe, A; Verloes, A; Drunat, S; Rooryck, C; Trimouille, A; Castello, R; Morleo, M; Pinelli, M; Varavallo, A; De la Paz, MP; Sánchez, EB; Martín, EL; Delgado, BM; de la Rosa, FJAG; Ciolfi, A; Dallapiccola, B; Pizzi, S; Radio, FC; Tartaglia, M; Renieri, A; Benetti, E; Balicza, P; Molnar, MJ; Maver, A; Peterlin, B; Münchau, A; Lohmann, K; Herzog, R; Pauly, M; Macaya, A; Marcé Grau, A; Osorio, AN; de Benito, DN; Lochmüller, H; Thompson, R; Polavarapu, K; Beeson, D; Cossins, J; Cruz, PMR; Hackman, P; Johari, M; Savarese, M; Udd, B; Horvath, R; Capella, G; Valle, L; Holinski Feder, E; Laner, A; Steinke Lange, V; Schröck, E; Rump, A;
Publication
EUROPEAN JOURNAL OF HUMAN GENETICS
Abstract
For the first time in Europe hundreds of rare disease (RD) experts team up to actively share and jointly analyse existing patient’s data. Solve-RD is a Horizon 2020-supported EU flagship project bringing together >300 clinicians, scientists, and patient representatives of 51 sites from 15 countries. Solve-RD is built upon a core group of four European Reference Networks (ERNs; ERN-ITHACA, ERN-RND, ERN-Euro NMD, ERN-GENTURIS) which annually see more than 270,000 RD patients with respective pathologies. The main ambition is to solve unsolved rare diseases for which a molecular cause is not yet known. This is achieved through an innovative clinical research environment that introduces novel ways to organise expertise and data. Two major approaches are being pursued (i) massive data re-analysis of >19,000 unsolved rare disease patients and (ii) novel combined -omics approaches. The minimum requirement to be eligible for the analysis activities is an inconclusive exome that can be shared with controlled access. The first preliminary data re-analysis has already diagnosed 255 cases form 8393 exomes/genome datasets. This unprecedented degree of collaboration focused on sharing of data and expertise shall identify many new disease genes and enable diagnosis of many so far undiagnosed patients from all over Europe.
2021
Authors
Schüle, R; Timmann, D; Erasmus, CE; Reichbauer, J; Wayand, M; Baets, J; Balicza, P; Chinnery, P; Dürr, A; Haack, T; Hengel, H; Horvath, R; Houlden, H; Kamsteeg, E; Kamsteeg, C; Lohmann, K; Macaya, A; Marcé Grau, A; Maver, A; Molnar, J; Münchau, A; Peterlin, B; Riess, O; Schöls, L; Schüle, R; Stevanin, G; Synofzik, M; Timmerman, V; van de Warrenburg, B; van Os, N; Vandrovcova, J; Wayand, M; Wilke, C; van de Warrenburg, B; Schöls, L; Wilke, C; Bevot, A; Zuchner, S; Beltran, S; Laurie, S; Matalonga, L; Graessner, H; Synofzik, M; Graessner, H; Zurek, B; Ellwanger, K; Ossowski, S; Demidov, G; Sturm, M; Schulze Hentrich, JM; Heutink, P; Brunner, H; Scheffer, H; Hoogerbrugge, N; Hoischen, A; ’t Hoen, PAC; Vissers, LELM; Gilissen, C; Steyaert, W; Sablauskas, K; de Voer, RM; Janssen, E; de Boer, E; Steehouwer, M; Yaldiz, B; Kleefstra, T; Brookes, AJ; Veal, C; Gibson, S; Wadsley, M; Mehtarizadeh, M; Riaz, U; Warren, G; Dizjikan, FY; Shorter, T; Töpf, A; Straub, V; Bettolo, CM; Specht, S; Clayton Smith, J; Banka, S; Alexander, E; Jackson, A; Faivre, L; Thauvin, C; Vitobello, A; Denommé Pichon, A; Duffourd, Y; Tisserant, E; Bruel, A; Peyron, C; Pélissier, A; Beltran, S; Gut, IG; Laurie, S; Piscia, D; Matalonga, L; Papakonstantinou, A; Bullich, G; Corvo, A; Garcia, C; Fernandez Callejo, M; Hernández, C; Picó, D; Paramonov, I; Lochmüller, H; Gumus, G; Bros Facer, V; Rath, A; Hanauer, M; Olry, A; Lagorce, D; Havrylenko, S; Izem, K; Rigour, F; Durr, A; Davoine, C; Guillot Noel, L; Heinzmann, A; Coarelli, G; Bonne, G; Evangelista, T; Allamand, V; Nelson, I; Yaou, RB; Metay, C; Eymard, B; Cohen, E; Atalaia, A; Stojkovic, T; Macek, M; Turnovec, M; Thomasová, D; Kremliková, RP; Franková, V; Havlovicová, M; Kremlik, V; Parkinson, H; Keane, T; Spalding, D; Senf, A; Robinson, P; Danis, D; Robert, G; Costa, A; Patch, C; Hanna, M; Houlden, H; Reilly, M; Vandrovcova, J; Muntoni, F; Zaharieva, I; Sarkozy, A; de Jonghe, P; Nigro, V; Banfi, S; Torella, A; Musacchia, F; Piluso, G; Ferlini, A; Selvatici, R; Rossi, R; Neri, M; Aretz, S; Spier, I; Sommer, AK; Peters, S; Oliveira, C; Pelaez, JG; Matos, AR; José, CS; Ferreira, M; Gullo, I; Fernandes, S; Garrido, L; Ferreira, P; Carneiro, F; Swertz, MA; Johansson, L; van der Velde, JK; van der Vries, G; Neerincx, PB; Roelofs Prins, D; Köhler, S; Metcalfe, A; Verloes, A; Drunat, S; Rooryck, C; Trimouille, A; Castello, R; Morleo, M; Pinelli, M; Varavallo, A; De la Paz, MP; Sánchez, EB; Martín, EL; Delgado, BM; de la Rosa, FJAG; Ciolfi, A; Dallapiccola, B; Pizzi, S; Radio, FC; Tartaglia, M; Renieri, A; Benetti, E; Balicza, P; Molnar, MJ; Maver, A; Peterlin, B; Münchau, A; Lohmann, K; Herzog, R; Pauly, M; Macaya, A; Marcé Grau, A; Osorio, AN; de Benito, DN; Lochmüller, H; Thompson, R; Polavarapu, K; Beeson, D; Cossins, J; Cruz, PMR; Hackman, P; Johari, M; Savarese, M; Udd, B; Horvath, R; Capella, G; Valle, L; Holinski Feder, E; Laner, A; Steinke Lange, V; Schröck, E; Rump, A;
Publication
EUROPEAN JOURNAL OF HUMAN GENETICS
Abstract
2021
Authors
Costa, A; Rodrigues, D; Castro, M; Assis, S; Oliveira, HP;
Publication
VISAPP: PROCEEDINGS OF THE 16TH INTERNATIONAL JOINT CONFERENCE ON COMPUTER VISION, IMAGING AND COMPUTER GRAPHICS THEORY AND APPLICATIONS - VOL. 4: VISAPP
Abstract
Lower limb amputation is a condition affecting millions of people worldwide. Patients are often prescribed with lower limb prostheses to aid their mobility, but these prostheses require frequent adjustments through an iterative and manual process, which heavily depends on patient feedback and on the prosthetist's experience. New computer-aided design and manufacturing technologies have been emerging as a way to improve the fitting process by creating virtual socket models. Statistical Shape modelling was used to create 3D models of transtibial (TT) and transfemoral (TF) sockets. Their generalization errors were, respectively, 6.8 +/- 1.8 mm and 10.5 +/- 1.6 mm, while specificity errors were 9.7 +/- 0.6 mm and 9.8 +/- 0.2 mm. In both models, a visual analysis showed that biomechanically meaningful features were captured: the largest variations found for both types were in the length of the residual limb and in the perimeter variation along the limb. The results obtained proved that statistical shape modelling methods can be applied to TF and TT sockets, with several potential applications in the orthoprosthetic field: generation of new plausible shapes and on-demand socket design adjustments.
2021
Authors
Silva, F; Pereira, T; Morgado, J; Frade, J; Mendes, J; Freitas, C; Negrao, E; De Lima, BF; Da Silva, MC; Madureira, AJ; Ramos, I; Hespanhol, V; Costa, JL; Cunha, A; Oliveira, HP;
Publication
IEEE ACCESS
Abstract
Statistics have demonstrated that one of the main factors responsible for the high mortality rate related to lung cancer is the late diagnosis. Precision medicine practices have shown advances in the individualized treatment according to the genetic profile of each patient, providing better control on cancer response. Medical imaging offers valuable information with an extensive perspective of the cancer, opening opportunities to explore the imaging manifestations associated with the tumor genotype in a non-invasive way. This work aims to study the relevance of physiological features captured from Computed Tomography images, using three different 2D regions of interest to assess the Epidermal growth factor receptor (EGFR) mutation status: nodule, lung containing the main nodule, and both lungs. A Convolutional Autoencoder was developed for the reconstruction of the input image. Thereafter, the encoder block was used as a feature extractor, stacking a classifier on top to assess the EGFR mutation status. Results showed that extending the analysis beyond the local nodule allowed the capture of more relevant information, suggesting the presence of useful biomarkers using the lung with nodule region of interest, which allowed to obtain the best prediction ability. This comparative study represents an innovative approach for gene mutations status assessment, contributing to the discussion on the extent of pathological phenomena associated with cancer development, and its contribution to more accurate Artificial Intelligence-based solutions, and constituting, to the best of our knowledge, the first deep learning approach that explores a comprehensive analysis for the EGFR mutation status classification.
2021
Authors
Ramos, B; Pereira, T; Moranguinho, J; Morgado, J; Costa, JL; Oliveira, HP;
Publication
2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC)
Abstract
Lung cancer is the deadliest form of cancer, accounting for 20% of total cancer deaths. It represents a group of histologically and molecularly heterogeneous diseases even within the same histological subtype. Moreover, accurate histological subtype diagnosis influences the specific subtype's target genes, which will help define the treatment plan to target those genes in therapy. Deep learning (DL) models seem to set the benchmarks for the tasks of cancer prediction and subtype classification when using gene expression data; however, these methods do not provide interpretability, which is great concern from the perspective of cancer biology since the identification of the cancer driver genes in an individual provides essential information for treatment and prognosis. In this work, we identify some limitations of previous work that showed efforts to build algorithms to extract feature weights from DL models, and we propose using tree-based learning algorithms that address these limitations. Preliminary results show that our methods outperform those of related research while providing model interpretability.
2021
Authors
Moranguinho, J; Pereira, T; Ramos, B; Morgado, J; Costa, JL; Oliveira, HP;
Publication
2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC)
Abstract
Deep Neural Networks using histopathological images as an input currently embody one of the gold standards in automated lung cancer diagnostic solutions, with Deep Convolutional Neural Networks achieving the state of the art values for tissue type classification. One of the main reasons for such results is the increasing availability of voluminous amounts of data, acquired through the efforts employed by extensive projects like The Cancer Genome Atlas. Nonetheless, whole slide images remain weakly annotated, as most common pathologist annotations refer to the entirety of the image and not to individual regions of interest in the patient's tissue sample. Recent works have demonstrated Multiple Instance Learning as a successful approach in classification tasks entangled with this lack of annotation, by representing images as a bag of instances where a single label is available for the whole bag. Thus, we propose a bag/embedding-level lung tissue type classifier using Multiple Instance Learning, where the automated inspection of lung biopsy whole slide images determines the presence of cancer in a given patient. Furthermore, we use a post-model interpretability algorithm to validate our model's predictions and highlight the regions of interest for such predictions.
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