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Many infants and children suffer from bowel motility disorders, for example, chronic constipation affects up to 1 in 10 children. However, the cause of many of these paediatric motility disorders remains unknown. In this project, we will examine the development of wiring of the nervous system that controls bowel motility. This is the first study to investigate the development of cell-cell communication during early stages of nervous system development.
A Network Of Sites And ‘up-skilled’ Therapists To Deliver Best Practice Stroke Rehabilitation Of The Upper Limb.
Funder
National Health and Medical Research Council
Funding Amount
$955,910.00
Summary
We aim, through our partnership, to bring better therapy to more stroke survivors. Effective therapies are available to improve hand function but survivors are not currently receiving these. We will systematically address this evidence-practice gap using knowledge-transfer methods to up-skill therapists and change practice behaviours. A network of sites and up-skilled therapists will deliver this therapy and sustain change. A template will guide future translational activities.
Obstructive Sleep Apnoea Phenotypes And Treatment In Quadriplegia
Funder
National Health and Medical Research Council
Funding Amount
$599,635.00
Summary
Losing function in your arms and legs after an injury (quadriplegia) is a catastrophic event. Quadriplegia also results in obstructive sleep apnoea; a condition where the throat closes repeatedly while asleep causing sleepiness, poor concentration and cardiovascular diseases like stroke. Despite most people with quadriplegia having this disease, the cause is unknown. This project will thoroughly investigate obstructive sleep apnoea causes in people with quadriplegia and test a possible treatment
Characterization Of Novel, Colitis Associated Pathobionts To Identify Therapeutic Targets In The Host Immune Response
Funder
National Health and Medical Research Council
Funding Amount
$684,609.00
Summary
Applying cutting edge methods to grow bacteria from the human gut, we have identified three species, two previously unknown, that are found in many inflammatory diseases including Inflammatory bowel disease, colorectal cancer and in cancer immunotherapy patients who experience colitis. By characterizing these bacteria and the immune response in human cells we are seeking to discover novel targetted methods to prevent colitis and gastrointestinal inflammation.
Gastrokine 2 Promotes Gastric Homeostasis And Inhibits Bacterial Pathology
Funder
National Health and Medical Research Council
Funding Amount
$621,335.00
Summary
Gastrokine 2 is a small regulatory protein secreted by the stomach lining. Its function is unknown but data from our lab suggests that it may be important in maintaining stomach integrity. This project will investigate how gastrokine 2 maintains stomach function, how this can be compromised when bacterial infection is ongoing, and how we might be able to turn up gastrokine 2 expression to prevent inflammation and precancerous changes in the stomach lining.
Norovirus Infection At The Stress Granule-PKR-p-elF2α Axis
Funder
National Health and Medical Research Council
Funding Amount
$505,967.00
Summary
This project application will aim to investigate and understand how viruses that cause vomiting and diarrhoea are able to infect, proliferate and spread within the human body. It aims to address how viruses are able to avoid and replicate in the presence of an effective immune response. We have evidence showing that Noroviruses are able to exploit certain antiviral proteins to paradoxically aid in virus replication and survival.
A Novel Therapeutic Target For Preventing Helicobacter Pylori-associated Diseases
Funder
National Health and Medical Research Council
Funding Amount
$750,336.00
Summary
Gastric cancer mainly results from chronic inflammation (gastritis) caused by the stomach-dwelling bacterium, Helicobacter pylori. We have identified a potassium channel which our data suggest could be a new therapeutic target for protecting against gastric cancer caused by H. pylori infection. This project will test the role of this channel in H. pylori gastritis and see whether drugs that target this channel can protect mice against H. pylori-associated disease.
Migration And Differentiation Of Enteric Neuron Precursors
Funder
National Health and Medical Research Council
Funding Amount
$385,116.00
Summary
There are many millions of nerve cells within the wall of the intestine, and they control many intestinal functions, including motility. During development, these nerve cells arise from cells which migrate away from the developing brain and first enter the stomach. The migratory cells are called neural crest cells. After entering the stomach, neural crest cells migrate within the wall of the gastrointestinal tract, until they reach the far (anal) end. In embryonic mice, this colonisation of the ....There are many millions of nerve cells within the wall of the intestine, and they control many intestinal functions, including motility. During development, these nerve cells arise from cells which migrate away from the developing brain and first enter the stomach. The migratory cells are called neural crest cells. After entering the stomach, neural crest cells migrate within the wall of the gastrointestinal tract, until they reach the far (anal) end. In embryonic mice, this colonisation of the entire small and large intestines by neural crest cells takes over 4 days, and in humans the process probably takes at least one week. It is essential that the neural crest cells colonise the entire gastrointestinal tract, since regions of intestine lacking neural crest cells (and hence nerve cells) cannot function and intestinal contents build up in front of the region lacking nerve cells. This condition is found in some babies (Hirschsprung's disease), and it can only be treated by surgically removing the region lacking nerve cells. It is therefore essential that migratory neural crest cells colonise the entire gastrointestinal tract. Currently, little is known about the mechanisms controlling the migration of neural crest cells, and whether a) particular molecules within the gut wall are important for migration, and-or b) the migratory behaviour of the neural crest cells is regulated mostly by the neural crest cells themselves. In this study we will take time-lapse images of neural crest cells migrating through the gut of embryonic mice to identify the factors that are important for the migration. After the neural crest cells have colonised the entire intestine, they develop into different types of nerve cells. We will also examine some of the factors affecting the development of different types of nerve cells.Read moreRead less
Re-EValuating The Inhibition Of Stress Erosions (REVISE): Gastrointestinal Bleeding Prophylaxis In ICU
Funder
National Health and Medical Research Council
Funding Amount
$2,955,164.00
Summary
Around 50,000 patients in Australian Intensive Care Units receive a drug called pantoprazole each year with the aim of preventing bleeding from the gut. Recent research suggests this practice is ineffective and may harm patients by increasing their risk of serious infections. We will perform a definitive study to determine whether the widespread use of pantoprazole is beneficial or harmful.
GABA(B) Receptor Modulation Of Gastrointestinal Function In Health And Disease By Alpha-Conotoxins
Funder
National Health and Medical Research Council
Funding Amount
$689,050.00
Summary
Chronic visceral pain is a common and debilitating condition arising from numerous diseases that affect our internal organs. There is a desperate need for more information about the mechanisms responsible for signalling chronic visceral pain to provide therapies and potentially find a cure for it. Our research focuses on ?-conotoxins (small peptides from marine cone snail venom) as novel potential therapeutic agents for the treatment of chronic visceral pain.