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Fellows Directory

Jacques Miller


Through Jacques Miller’s investigations of the influence of the thymus in leukaemia, the profound effects of thymectomy on lymphopoiesis and immunogenesis became evident. He established that the thymus was essential during early life for the complete development of a normal immune system. He also established that the thymus, even in adult life, is essential to maintain an adequate pool of immunologically competent cells. Grafting thymus tissue or injecting competent lymphocytes reversed the effects of thymectomy. Jacques showed that the thymus exerts its effects mostly by providing lymphocytes to the circulation. Antibody-forming B lymphocytes came from bone marrow.

He also showed that removal of the thymus at birth favoured the development of certain types of cancer induced by viruses and chemicals. This provided experimental evidence for the notion that normal immune reactions are necessary to limit the appearance of tumours. These and related discoveries have opened up wide areas of research, not only in the field of tissue transplantation but also in the management of certain immunological deficiency syndromes, allergic conditions and cancer.

Professional positions

Emeritus Professor, Walter and Eliza Hall Institute of Medical Research (WEHI)

Interest and expertise


THYMUS, 293T cells, Immune tolerance, Basic cancer research


  • Copley Medal

    For his work on the immunological function of the thymus and of T cells, which has revolutionised the science of immunology. Professor Millers work is paving the way for designing new methods to improve resistance to infections, producing new vaccines, en

  • Croonian Medal and Lecture

    On ' The key role of the thymus in the bodys defence strategies'.

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