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Hemoglobin is the major protein in red blood cells and is essential for the transport of oxygen from the lungs to the tissues. The disorders of hemoglobin production are the commonest genetic diseases world-wide. These diseases can be markedly improved with elevation of the form of hemoglobin produced by the developing fetus, fetal hemoglobin. We have identified a key factor important for fetal gene expression. We will now determine whether manipulation of this factor can cure hemoglobin disorde ....Hemoglobin is the major protein in red blood cells and is essential for the transport of oxygen from the lungs to the tissues. The disorders of hemoglobin production are the commonest genetic diseases world-wide. These diseases can be markedly improved with elevation of the form of hemoglobin produced by the developing fetus, fetal hemoglobin. We have identified a key factor important for fetal gene expression. We will now determine whether manipulation of this factor can cure hemoglobin disorders.Read moreRead less
Identification Of Novel Mechanisms Governing Stage-specific Regulation Of The Human Globin Genes
Funder
National Health and Medical Research Council
Funding Amount
$577,889.00
Summary
Hemoglobin is the major protein in red blood cells and is essential for the transport of oxygen from the lungs to the tissues. The disorders of hemoglobin production are the commonest genetic diseases world-wide. These diseases can be markedly improved with elevation of the form of hemoglobin produced by the developing embryo, embryonic hemoglobin. We have identified a key factor important for fetal gene expression. Our goal is to translate these findings into therapies for the globin disorders.
A Novel Genetic Element Controlling Adult Hemoglobin Production
Funder
National Health and Medical Research Council
Funding Amount
$493,907.00
Summary
Disorders of the blood protein hemoglobin are the commonest genetic diseases worldwide, and include thalassemia and sickle cell disease. In this proposal we study two novel mouse lines that exhibit thalassemia, but lack any of the known genetic mutations that cause this disease. These mice afford us the opportunity to make unique observations into how hemoglobin is produced, and thereby provide a platform for new therapeutic approaches in these devastating diseases of the blood.
Analysis Of Factors Governing Globin Gene Expression
Funder
National Health and Medical Research Council
Funding Amount
$512,996.00
Summary
Hemoglobin is the major protein in red blood cells and is essential for the transport of oxygen from the lungs to the tissues. The disorders of hemoglobin production are the commonest genetic diseases world-wide. These diseases can be markedly improved with elevation of the form of hemoglobin produced by the developing embryo, fetal hemoglobin. We have identified key factors important for fetal gene expression. Our goal is to translate these findings into therapies for the hemoglobin disorders.
Characterisation Of Erythropoietic Mutants Identified In A Forward Genetic Screen In Mice.
Funder
National Health and Medical Research Council
Funding Amount
$501,902.00
Summary
The human bone marrow is the pivotal organ in the replacement of the vast numbers of blood cells normally consumed each day. One of the cells regenerated by this organ are the red blood cells which are critical for the transport of oxygen to the tissues. This proposal uses genetically altered mice to identify genes that are critical for the production of normal red blood cells. Mice exposed to a chemical that induces random mutations in their genome are bred and pups with abnormal red blood cell ....The human bone marrow is the pivotal organ in the replacement of the vast numbers of blood cells normally consumed each day. One of the cells regenerated by this organ are the red blood cells which are critical for the transport of oxygen to the tissues. This proposal uses genetically altered mice to identify genes that are critical for the production of normal red blood cells. Mice exposed to a chemical that induces random mutations in their genome are bred and pups with abnormal red blood cells are identified. The responsible genetic mutation is identified and the gene is then studied to determine how it influences red blood cell production. The results of these studies provide insights into a variety of human conditions including anemia, thalassemia and sickle cell disease.Read moreRead less
We will investigate how the master control gene, Kruppel-like factor 1, orchestrates production of red blood cells. We will use genetic and cell biology approaches to determine exactly how this factor interprets the genome blueprint in a cell specific manner. We will also determine how mutations in KLF1 cause human diseases such as congenital dyserythropoietic anemia and hereditary persistence of fetal haemoglobin. This has implications for reactivation of HbF in adults with sickle cell disease.
Myelodysplastic Syndrome And The Bone Marrow Microenvironment
Funder
National Health and Medical Research Council
Funding Amount
$562,654.00
Summary
We are interested in how myelodysplastic syndrome (MDS) affects the function of the bone marrow. We believe that changes associated with anaemia of MDS cause the bone marrow to be altered. This proposal addresses this question and explores new treatment approaches
KLFs are master control genes that regulate the expression of many target genes to determine cell fate and to convert one cell fate to another. Mutations in KLFs cause human diseases. This grant will focus on the founding member of the KLF family, KLF1. We will use genomics techniques and animal models to determine how KLF1 works in normal blood cell production and in disease