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  1. Article

    Open Access

    Non-invasive quantification of stem cell-derived islet graft size and composition

    Stem cell-derived islets (SC-islets) are being used as cell replacement therapy for insulin-dependent diabetes. Non-invasive long-term monitoring methods for SC-islet grafts, which are needed to detect misguid...

    Väinö Lithovius, Salla Lahdenpohja, Hazem Ibrahim, Jonna Saarimäki-Vire in Diabetologia (2024)

  2. Article

    Open Access

    RFX6 haploinsufficiency predisposes to diabetes through impaired beta cell function

    Regulatory factor X 6 (RFX6) is crucial for pancreatic endocrine development and differentiation. The RFX6 variant p.His293LeufsTer7 is significantly enriched in the Finnish population, with almost 1:250 individu...

    Hazem Ibrahim, Diego Balboa, Jonna Saarimäki-Vire, Hossam Montaser in Diabetologia (2024)

  3. No Access

    Chapter

    Modelling of Beta Cell Pathophysiology Using Stem Cell-Derived Islets

    Diabetes mellitus is a family of metabolic disorders that arise from the loss or dysfunction of insulin secreting pancreatic beta cells. Many forms of early onset diabetes are caused by monogenic mutations in ...

    Tom Barsby, Hossam Montaser, Väinö Lithovius in Pluripotent Stem Cell Therapy for Diabetes (2023)

  4. Article

    Open Access

    The type 1 diabetes gene TYK2 regulates β-cell development and its responses to interferon-α

    Type 1 diabetes (T1D) is an autoimmune disease that results in the destruction of insulin producing pancreatic β-cells. One of the genes associated with T1D is TYK2, which encodes a Janus kinase with critical rol...

    Vikash Chandra, Hazem Ibrahim, Clémentine Halliez in Nature Communications (2022)

  5. Article

    Open Access

    Functional, metabolic and transcriptional maturation of human pancreatic islets derived from stem cells

    Transplantation of pancreatic islet cells derived from human pluripotent stem cells is a promising treatment for diabetes. Despite progress in the generation of stem-cell-derived islets (SC-islets), no detaile...

    Diego Balboa, Tom Barsby, Väinö Lithovius, Jonna Saarimäki-Vire in Nature Biotechnology (2022)

  6. Article

    SUR1-mutant iPS cell-derived islets recapitulate the pathophysiology of congenital hyperinsulinism

    Congenital hyperinsulinism caused by mutations in the KATP-channel-encoding genes (KATPHI) is a potentially life-threatening disorder of the pancreatic beta cells. No optimal medical treatment is available for pa...

    Väinö Lithovius, Jonna Saarimäki-Vire, Diego Balboa, Hazem Ibrahim in Diabetologia (2021)

  7. Article

    Open Access

    Epidemiology of two human protoparvoviruses, bufavirus and tusavirus

    Two human parvoviruses were recently discovered by metagenomics in Africa, bufavirus (BuV) in 2012 and tusavirus (TuV) in 2014. These viruses have been studied exclusively by PCR in stool and detected only in ...

    Elina Väisänen, Minna Paloniemi, Inka Kuisma, Väinö Lithovius in Scientific Reports (2016)