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The Role of Bruton’s Tyrosine Kinase in B-Cell Development and Health: From Molecular Pathways to Therapeutic Opportunities
Secondary Supervisor(s): Dr Harriet Walter, Professor Martin Dyer, Dr Sandrine Jayne
University of Registration: University of Leicester
BBSRC Research Themes:
Project Outline
Bruton's tyrosine kinase (BTK) is a critical signalling molecule within the B-cell receptor (BCR) pathway, regulating B-cell maturation, survival, activation and immune function. Loss-of-function mutations in BTK cause X-linked agammaglobulinaemia (XLA), while aberrant BTK activation contributes to autoimmune diseases and B-cell malignancies, such as chronic lymphocytic leukaemia (CLL). Despite its clinical significance and the emergence of BTK inhibitors as major therapeutic agents, the precise mechanisms by which BTK controls human B-cell development and how its dysregulation drives disease remain incompletely understood.
This project aims to investigate the molecular and cellular functions of BTK and determine how alterations in BTK signalling influence disease pathogenesis.
BCR pathway modulators, including BTK-targeting pharmaceuticals provide a range of molecular tools to study BTK function through kinase activity inhibition, BH2 domain inhibition and protein degradation (PROTACs).
Using cell models and primary human B-cells the project will aim to elucidate BTK function using a range of techniques, including established biochemical assays, such as flow cytometry and electrophoresis, biophysical and structural assays to study biomolecule interactions, advanced imaging techniques, such as electron-microscopy, and high-definition mass spectrometry to investigate inhibitor action and BTK interactions.