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Restoration Of The Nigrostriatal Pathway In The Parkinsonian Brain
Funder
National Health and Medical Research Council
Funding Amount
$299,431.00
Summary
Many obstacles exist for cell transplantation in Parkinson's disease; namely poor restoration of the host brain circuitry due to incorrect graft placement. This results in incomplete motor function and unwanted side effects. Through iterative studies we endeavor to restore this circuitry by placing grafts in the appropriate location and promoting their survival and growth-integrations. This will require: optimizing the donor tissue and exposure of the graft to growth stimulating factors.
Pre-Clinical Studies Towards Cell-Based Approaches For Cortical Repair.
Funder
National Health and Medical Research Council
Funding Amount
$739,901.00
Summary
This project seeks to determine whether brain cells that die after stroke can be functionally replaced using cells grown in the laboratory from human stem cells. Current therapies for stroke aim to limit the damage but do not allow for actual recovery of brain function. By growing turning stem cells into specialised cells that match the ones lost after stroke, this project aims to restore motor function by transplanting these cells into the injured brain.
This proposal seeks to determine the therapeutic potential of stem cells for the treatment of brain injury early in life, for example as occurs in cerebral palsy. The project will test the capacity of implanted stem cells to both protect the brain and also to functionally replace cells lost to the injury in order to improve motor and cognitive function.
Using Stem Cells And Bioengineered Scaffolds To Promote Regeneration Following Necrotic Brain Injury
Funder
National Health and Medical Research Council
Funding Amount
$710,857.00
Summary
A number of injuries, including stroke, result in tissue loss. Consequently promoting repair will require restoration of tissue structure, replacement cells and a supportive environment to promote integration of these new cells. This study will engineer and develop novel scaffolds that can replace tissue whilst additionally providing physical and chemical support for newly implanted stem cells. This work will be conducted in an animal model of stroke.
Testing The Prion Hypothesis In Parkinson’s Disease Using A Novel In Vivo Model Of Α-synuclein Transmission
Funder
National Health and Medical Research Council
Funding Amount
$622,555.00
Summary
Parkinson’s Disease (PD) is a debilitating neurological disease with no cure. Recently it has been discovered that the disease can spread through the brain. We have developed the worlds first animal model to study exactly how the disease propagates inside of neurons during this spread. We will use the model to answer key questions about this critical stage of disease spread, knowledge that is essential for the development of successful therapies to prevent disease progression.
Pre-clinical Steps Towards A Stem Cell Therapy For Parkinson's Disease.
Funder
National Health and Medical Research Council
Funding Amount
$1,179,594.00
Summary
A promising experimental therapy for Parkinson's disease is the use of stem cells that in order to replace the cells lost during the disease process. A challenge for this approach is that upon transplantation into the brain, in addition to the therapeutic cell types, there will also be unwanted cell types such as those that can form tumours. This proposal seeks to establish a novel strategy for removing those cells prior to transplantation.
Standardising Protocols For The Differentiation And Integration Of Human Pluripotent Stem Cell-derived Neural Transplants In Parkinson's Disease
Funder
National Health and Medical Research Council
Funding Amount
$987,664.00
Summary
Clinical trials have shown that transplanting dopamine neurons (specific nerve cells) into the brain of Parkinson’s disease patients can improve symptoms. Trials use fetal tissue for implantation, which is unsustainable and highly variable. This proposal will examine stem cells as an alternative. We will establish a reliable protocol to instruct human stem cells to become dopamine neurons, develop methods to select these cells and, examine the integration of these transplanted cells in the brain
Selective Isolation And In Vivo Properties Of Dopamine Neurons Generated From Embryonic Stem Cells.
Funder
National Health and Medical Research Council
Funding Amount
$505,389.00
Summary
This research aims to develop a procedure that allows for the safe and effective use of stem cells as a therapy for Parkinson’s disease. It is based on the concept that new dopamine neurons, generated from stem cells, can be implanted into the brain of the patients in order to replace those lost to the disease, thereby improving motor function.
Knowledge, Identification And Exploitation Of Dopaminergic Axon Guidance Cues Will Improve Cell Replacement Therapy For ParkinsonÍs Disease.
Funder
National Health and Medical Research Council
Funding Amount
$481,797.00
Summary
Many obstacles exist for cell transplantation in ParkinsonÍs Disease; namely poor graft survival, restoration of appropriate circuitry and adequate nerve fiber growth from new cells. Using knowledge of how neural circuits are established during fetal development, we will attempt to recapitulate these events following transplantation. Further, we will identify new and novel cues in regulating the connectivity and growth of these nerve fibers.
Identification Of Novel Regulatory Factors In Midbrain Development To Improve Cell Therapies For The Treatment Of Parkinson’s Disease
Funder
National Health and Medical Research Council
Funding Amount
$311,860.00
Summary
Cell transplantation is one of the most promising therapeutic strategies for the treatment of Parkinson’s disease. Cells are transplanted directly into the brain of the patient and can compensate for those lost to the disease. In this project we are identifying new genes that regulate the normal development of the transplanted cells in mice. We hope to use this knowledge to improve the reliability and effectiveness of the approach, bringing the therapy closer to the clinic.