Role Of IGF Binding Protein-3 (IGFBP-3) And IGFBP-5 As Modulators Of Nuclear Hormone Signalling
Funder
National Health and Medical Research Council
Funding Amount
$465,750.00
Summary
The insulin-like growth factors are small proteins involved in the growth of most tissues. Their actions are regulated by binding to larger proteins (known as IGFBPs) in the bloodstream and outside the cell. However, some IGFBPs are also found inside cells, where they seem to carry out other functions. We believe that two of these binding proteins, IGFBP-3 and IGFBP-5, change the way cells respond to vitamin A and vitamin D. These two vitamins are important in cell growth and in the way certain ....The insulin-like growth factors are small proteins involved in the growth of most tissues. Their actions are regulated by binding to larger proteins (known as IGFBPs) in the bloodstream and outside the cell. However, some IGFBPs are also found inside cells, where they seem to carry out other functions. We believe that two of these binding proteins, IGFBP-3 and IGFBP-5, change the way cells respond to vitamin A and vitamin D. These two vitamins are important in cell growth and in the way certain cells perform specialised functions. In test-tube experiments, IGFBP-3 and IGFBP-5 interact directly with the receptors that regulate the effects of these hormones. If the same thing happens inside the cell, IGFBP-3 and IGFBP-5 could change the way these receptors respond to signals from outside the cell. We will investigate what effect these IGFBPs have in living cells and in whole animals and how this may relate to human disease. If we are able to understand how IGFBP-3 and IGFBP-5 affect the way cells respond to vitamin A and D, then we may be able to develop new ways to treat certain human diseases.Read moreRead less
Molecular Regulation Of Metabolism And Body Composition By Ski Via Crosstalk With Nuclear Hormone Receptor Signalling.
Funder
National Health and Medical Research Council
Funding Amount
$558,441.00
Summary
Obesity is a common and burdensome health problem in the community which leads to diabetes and heart disease. A number of factors, including hormones play important roles in determing risk of obesity. This study proposes to investigate whether the Ski gene which is a regulatory factor for many hormones affects metabolism in transgenic mouse models of altered Ski function. The proposed studies may identify Ski as a target for therapy for obesity and improvement in sketal muscle metabolism.
The role of the immune system in pain is emerging from recent discoveries, and may hold the key to novel pain treatments. Most people experience brief gut infections from food or contagion without long-term consequences. Many others suffer symptoms for years afterwards - probably the best example of immune-based pain. Our project investigates how immune cells communicate with sensory nerves, and how these communications change from both angles after gut infection or inflammation.
Transient Receptor Potential Channels (TRPs) As Transducers And Targets In Primary Visceral Afferents
Funder
National Health and Medical Research Council
Funding Amount
$669,130.00
Summary
Transient receptor potential, or TRP channels, are involved in generating many of the sensations we perceive, such as heat, cold, touch and pain. Some TRP channels are specialized to signal pain from visceral organs, which we must investigate if we are to find treatments for visceral pain, which are currently lacking.
Cognitive Impairments And Post Traumatic Stress Symptoms In Children With Traumatic Brain Injury: A Longitudinal Study
Funder
National Health and Medical Research Council
Funding Amount
$482,250.00
Summary
Traumatic brain injury in children is common with more than 2000 new cases a year in Queensland and Victoria alone. Many children who experience a brain injury go on to have long-term difficulties such as significant educational and social problems. Post-traumatic stress occurs in children following traumatic physical injury. However it is not clear to what extent this is so for children who have received a traumatic brain injury. Furthermore, when there is a traumatic brain injury and traumatic ....Traumatic brain injury in children is common with more than 2000 new cases a year in Queensland and Victoria alone. Many children who experience a brain injury go on to have long-term difficulties such as significant educational and social problems. Post-traumatic stress occurs in children following traumatic physical injury. However it is not clear to what extent this is so for children who have received a traumatic brain injury. Furthermore, when there is a traumatic brain injury and traumatic stress, it is not clear how these interact, how they influence long-term outcomes, and what factors such as pre-injury functioning and family support and distress mediate outcomes. These issues are very important since effective rehabilitation of children following traumatic brain injury is essential to maximise long-term functioning and minimise disability. To be effective, rehabilitation must be guided by the knowledge about key factors that determine the recovery process. This study aims to provide answers to these questions by following two cohorts of children (aged 6-14) over 18 months after receiving a traumatic brain injury. In total 240 children will be recruited from Brisbane and Melbourne hospitals. They will be assessed at three, six, twelve and eighteen months post-injury using measures of cognitive, psychological and social functioning. Information on parent distress and behaviours will also be obtained. The information obtained will provide the basis for the development of a specific rehabilitation strategy for children with traumatic brain injury, including information on strategies to help prevent any confounding impact of post-traumatic stress on recovery.Read moreRead less