Professor Swee Lay Thein

About STSTN>Network Members>Swee Lay Thein M.B,BS; FRCP; FRCPath; DSC; FMedSci

SLT cropped photoPA: Claire Steward
Tel: 020 7848 5445 (PA)
Tel: 020 7848 5443 (Direct)
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Website: Feature Editor of  Sickle Blood  Hub –

Swee Lay Thein was appointed Professor of Molecular Haematology / Consultant Haematologist in Kings College London (KCL) in 2000. She is also Clinical Director of the Red Cell Centre in King’s College Hospital (KCH). In addition to the adult patients with sickle cell disease, she also provides a service for clinicians and other haematologists, nationally and internationally, on the investigation of patients with unusual beta thalassaemias and related red cell disorders. The specialist lab at KCH provides a DNA diagnostic service and is one of the three regional centres for prenatal diagnosis of haemaglobinopathies.

She is Feature Editor of the Sickle Blood Hub (an online resource for all articles relevant to sickle cell disease published in the journal Blood), member of the Editorial Boards of Blood; Pathology; Annals of Haematology; Hemoglobin; and American Journal of Hematology.

She is Chair of the EHA Scientific Working Group for Red Cells and iron disorders. She has been involved in ESH courses on red cell haematology in 2007, 2010 and 2011 and has organised successful annual international conferences on sickle cell since 2006. She has also chaired, presented and produced material for educational sessions in annual conferences of the British Society of Haematology, EHA, ASH and the International Society of Haematology.

Specialist interests

  • Haemoglobin disorders
  • Genetic quantitative traits
  • Genetic modifiers

Research interests

  • Pathophysiology of sickle cell disease and beta thalassaemias including iron regulation.
  • Dissecting genotype/phenotype relationships in sickle cell disease and thalassaemias with a focus on predictive diagnosis and foetal haemoglobin control in adults


Download a list of seleceted Professor Swee Lay Thein’s publications (PDF 67Kb)

Education and training

Specialist training in haematology at the Royal Postgraduate Medical School, Hammersmith and the Royal Free Hospital, London. She then joined the MRC (Medical Research Council, UK) Molecular Haematology Unit at the Weatherall Institute of Molecular Medicine and John Radcliffe Hospital, Oxford where she held various positions – MRC Clinical Training Fellow, Wellcome Senior Fellow in Clinical Science, and MRC Senior Clinical Scientist and honorary Consultant Haematologist, before she moved to KCL.

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