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Functional analysis of long noncoding RNAs expressed in the brain. For many years, the mammalian genome has been thought to be mainly junk. Recently, however, it has become evident that most of the genome specifies RNAs that do not encode proteins ('long noncoding' RNAs, lncRNAs), many of which are brain-specific. This project aims to determine the functions of lncRNAs that are expressed in the hippocampus (involved in learning) and the cerebellum (involved in movement coordination) by deleting ....Functional analysis of long noncoding RNAs expressed in the brain. For many years, the mammalian genome has been thought to be mainly junk. Recently, however, it has become evident that most of the genome specifies RNAs that do not encode proteins ('long noncoding' RNAs, lncRNAs), many of which are brain-specific. This project aims to determine the functions of lncRNAs that are expressed in the hippocampus (involved in learning) and the cerebellum (involved in movement coordination) by deleting them in mice, testing for developmental, cognitive and motor effects, and characterising the structures with which they are associated. The results of the project are expected to open new vistas in neuroscience, contributing to understanding the molecular basis of brain function and the 'dark matter' of the genome.Read moreRead less
Sialyltransferase In The Bipolar And Schizophrenic Brain: Examining The Role Of A Novel Generalised Susceptibility Gene
Funder
National Health and Medical Research Council
Funding Amount
$512,627.00
Summary
Bipolar disorder and schizophrenia are two major psychiatric conditions affecting over 800,000 Australians. We have identified a new gene which contributes to increased risk to developing both bipolar disorder and schizophrenia. We will investigate the function of this gene in normal brain development, and how this function is disrupted in individuals with bipolar disorder and schizophrenia. Understanding the biological cause will help us define better treatments for these severe mental illnesse ....Bipolar disorder and schizophrenia are two major psychiatric conditions affecting over 800,000 Australians. We have identified a new gene which contributes to increased risk to developing both bipolar disorder and schizophrenia. We will investigate the function of this gene in normal brain development, and how this function is disrupted in individuals with bipolar disorder and schizophrenia. Understanding the biological cause will help us define better treatments for these severe mental illnesses.Read moreRead less
Single minded 1 in neuron development and satiety signalling. An understanding of how Single minded 1 (SIM1) regulates target genes may allow new pharmaceutical approaches to be designed to combat obesity. As Sim1 belongs to a family of closely related gene regulatory proteins which function in early development and homeostasis, deciphering the molecular control mechanisms of Sim1 may help understand how the related factors function in processes such as angiogenesis, response to low oxygen stres ....Single minded 1 in neuron development and satiety signalling. An understanding of how Single minded 1 (SIM1) regulates target genes may allow new pharmaceutical approaches to be designed to combat obesity. As Sim1 belongs to a family of closely related gene regulatory proteins which function in early development and homeostasis, deciphering the molecular control mechanisms of Sim1 may help understand how the related factors function in processes such as angiogenesis, response to low oxygen stress, invasion of environmental pollutants and autism spectrum diseases. The ability to manipulate these factors would be of great benefit in treating a range of disorders, but a thorough molecular understanding of these factors needs be obtained prior to attempting design of pharmaceuticals.Read moreRead less
Truncating presenilin mutations and their effects on gamma-secretase activity, tau and beta-catenin - insights into Alzheimers disease and cancer. Cancer and dementia are primarily afflictions of the aged and are increasingly important in an aging Australian population. 95% of all Alzheimer's disease is spontaneous (not inherited) but we know little about the molecular mechanisms underlying it. Our discovery that truncated presenilin proteins potently inhibit normal protein function suggests tha ....Truncating presenilin mutations and their effects on gamma-secretase activity, tau and beta-catenin - insights into Alzheimers disease and cancer. Cancer and dementia are primarily afflictions of the aged and are increasingly important in an aging Australian population. 95% of all Alzheimer's disease is spontaneous (not inherited) but we know little about the molecular mechanisms underlying it. Our discovery that truncated presenilin proteins potently inhibit normal protein function suggests that changes in presenilin function in aged cells might be a common molecular link between spontaneous and inherited Alzheimer's disease and could contribute to frontotemporal dementia and cancer. Our research will show whether this phenomenon might provide a breakthrough in our understanding of these diseases and be a productive area for research into their amelioration and/or prevention.Read moreRead less
Investigating the intercellular trafficking of proteins and RNA and its relevance to neurodegenerative diseases. Alzheimer's and prion diseases are neurodegenerative disorders associated with protein misfolding. This project brings together similar features of these diseases using novel cell- and animal-based studies to develop a greater understanding of the molecular basis of these disorders.