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Sökning: WFRF:(Gisselsson Nord David) > Forskningsöversikt

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  • Edsjö, Anders, et al. (författare)
  • Building a precision medicine infrastructure at a national level : The Swedish experience
  • 2023
  • Ingår i: Cambridge Prisms: Precision Medicine. - : Cambridge University Press. - 2752-6143. ; 1
  • Forskningsöversikt (refereegranskat)abstract
    • Precision medicine has the potential to transform healthcare by moving from one-size-fits-all to personalised treatment and care. This transition has been greatly facilitated through new high-throughput sequencing technologies that can provide the unique molecular profile of each individual patient, along with the rapid development of targeted therapies directed to the Achilles heels of each disease. To implement precision medicine approaches in healthcare, many countries have adopted national strategies and initiated genomic/precision medicine initiatives to provide equal access to all citizens. In other countries, such as Sweden, this has proven more difficult due to regionally organised healthcare. Using a bottom-up approach, key stakeholders from academia, healthcare, industry and patient organisations joined forces and formed Genomic Medicine Sweden (GMS), a national infrastructure for the implementation of precision medicine across the country. To achieve this, Genomic Medicine Centres have been established to provide regionally distributed genomic services, and a national informatics infrastructure has been built to allow secure data handling and sharing. GMS has a broad scope focusing on rare diseases, cancer, pharmacogenomics, infectious diseases and complex diseases, while also providing expertise in informatics, ethical and legal issues, health economy, industry collaboration and education. In this review, we summarise our experience in building a national infrastructure for precision medicine. We also provide key examples how precision medicine already has been successfully implemented within our focus areas. Finally, we bring up challenges and opportunities associated with precision medicine implementation, the importance of international collaboration, as well as the future perspective in the field of precision medicine.
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  • Gisselsson Nord, David (författare)
  • Tumour morphology--interplay between chromosome aberrations and founder cell differentiation.
  • 2002
  • Ingår i: Histology and Histopathology. - 1699-5848. ; 17:4, s. 1207-1212
  • Forskningsöversikt (refereegranskat)abstract
    • Studies of haematological neoplasms have shown that alterations in structure and/or expression of transcription factor genes may play a crucial role for transforming stem cells or progenitor cells into malignant cells. These mutations typically arise through balanced translocations and appear to induce a block in cellular differentiation. The impact of the transforming mutation is highly dependent on the lineage of the founder cell and each specific translocation is limited to one or a few morphological subtypes. Originating from immature cells, these neoplasms have a high self-replicative capacity and are already before transformation protected from senescence by constitutive telomerase expression. Most solid tumours, on the other hand, probably originate from cells at higher levels of differentiation and require multiple mutations in oncogenes and tumour suppressor genes for neoplastic transformation. Absence of telomerase activity in the tumour-founding cell line predisposes to abnormal shortening of telomeric repeats in these cells during early clonal expansion. In turn, this triggers chromosomal breakage-fusion-bridge events through which the tumour genome is constantly reorganised, resulting in a complex and heterogeneous pattern of chromosome aberrations in the tumour cell population; the abnormal mitotic processes also give rise to cellular pleomorphism and nuclear atypia. Tumour morphology thus appears to be determined not only by the lineage of the transformed cell but also by its propensity for chromosomal instability.
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  • Resultat 1-5 av 5

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