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ey0018.2-5 | Neonatal hypoglycaemia | ESPEYB18

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

V Lithovius , J Saarimaki-Vire , D Balboa , H Ibrahim , H Montaser , T Barsby , T Otonkoski

Diabetologia. 2021 Mar;64(3):630-640. doi: 10.1007/s00125-020-05346-7. PMID: 33404684.The derivation of iPSCs and their subsequent conversion to islet like clusters from a patient with diffuse CHI due to a homozygous mutation in the ABCC8 provided these authors a unique opportunity to study the molecular basis of CHI and to develop potential novel treatment options by screening...

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ey0021.10-17 | New Hopes | ESPEYB21

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

V Lithovius , S Lahdenpohja , H Ibrahim , J Saarimaki-Vire , L Uusitalo , H Montaser , al. et

Brief Summary: This experimental study used positron emission tomography (PET) as non-invasive method to monitor stem cells-islet grafts. [18F]exendin and [18F]FDOPA PET showed potential as non-invasive methods to assess stem cells-islet graft size and aspects of graft composition.Stem cell-derived islets (SC-islets) are used as an emerging cell replacement therapy for insulin-dependent diabetes (1). Non-invasive long-term monitorin...

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ey0018.2-11 | Neonatal diabetes mellitus | ESPEYB18

2.11. YIPF5 mutations cause neonatal diabetes and microcephaly through endoplasmic reticulum stress

E De Franco , M Lytrivi , H Ibrahim , H Montaser , MN Wakeling , F Fantuzzi , K Patel , C Demarez , Y Cai , M Igoillo-Esteve , C Cosentino , V Lithovius , H Vihinen , E Jokitalo , TW Laver , MB Johnson , T Sawatani , H Shakeri , N Pachera , B Haliloglu , MN Ozbek , E Unal , R Yıldırım , T Godbole , M Yildiz , B Aydin , A Bilheu , I Suzuki , SE Flanagan , P Vanderhaeghen , V Senee , C Julier , P Marchetti , DL Eizirik , S Ellard , J Saarimaki-Vire , T Otonkoski , M Cnop , AT Hattersley

J Clin Invest. 2020 Dec 1;130(12):63386353. doi: 10.1172/JCI141455. PMID: 33164986.This manuscript describes a novel disorder due to homozygous mutations in the YIPF5 gene which cause a complex syndrome of neonatal/early onset diabetes mellitus, epilepsy and microcephaly. The underlying mechanism of the diabetes involves the accumulation of proinsulin (unable to be transported to the Golgi...

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ESPE Yearbook of Paediatric Endocrinology

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

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

2.11. YIPF5 mutations cause neonatal diabetes and microcephaly through endoplasmic reticulum stress

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