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Dr Laurence Cheung is doing everything he can to end the threat of childhood leukemia. His research has the potential to change countless lives, but he also has another important job – being a dad to three beautiful children.

Rishi S. Laurence Sébastien Kotecha Cheung Malinge MB ChB (Hons) MRCPCH FRACP PhD BPharm (Hons) MBA PhD PhD Co-Head, Leukaemia Translational Research

Asparaginase is a critical component of modern multi-agent chemotherapy regimens for paediatric acute lymphoblastic leukaemia and lymphoblastic lymphoma, with inadequate exposure leading to inferior patient outcomes.

Acute lymphoblastic leukaemia (ALL) is one of the most treatable forms of paediatric cancer; however, there is a substantial burden of treatment-related toxicities (TRTs). In addition, the long-term changes in children's health-related quality of life (HRQoL) due to toxic treatments are not well understood.

We examined the baseline profile of a panel of T-ALL cell lines to determine factors that contribute to GC resistance without prior drug selection.

The main aim of our Leukaemia Translational Research Team is to test innovative therapeutic approaches, with a focus on clinical translation of this knowledge, to improve the outcomes of children suffering from leukaemia.

Patients whose leukemias harbor a rearrangement of the Mixed Lineage Leukemia (MLL/KMT2A) gene have a poor prognosis, especially when the disease strikes in infants. The poor clinical outcome linked to this aggressive disease and the detrimental treatment side-effects, particularly in children, warrant the urgent development of more effective and cancer-selective therapeutics.

The bone marrow microenvironment plays a key role in leukemia progression, but its molecular complexity in pre-B cell acute lymphoblastic leukemia (B-ALL), the most common cancer in children, remains poorly understood. To gain further insight, we used single-cell RNA sequencing to characterize the kinetics of the murine BMM during B-ALL progression.

Infant MLL-AF4-driven acute lymphoblastic leukemia (ALL) is a devastating disease with dismal prognosis. A lack of understanding of the unique biology of this disease, particularly its prenatal origin, has hindered improvement of survival. We perform multiple RNA sequencing experiments on fetal, neonatal, and adult hematopoietic stem and progenitor cells from human and mouse.

In recent decades, the conduct of uniform prospective clinical trials has led to improved remission rates and survival for patients with acute myeloid leukaemia and acute lymphoblastic leukaemia. However, high-risk patients continue to have inferior outcomes, where chemoresistance and relapse are common due to the survival mechanisms utilised by leukaemic cells.