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BACKGROUND Chronic traumatic encephalopathy (CTE) is the term coined for the neurodegenerative disease often suspected in athletes with histories of repeated concussion and progressive dementia. Histologically, CTE is defined as a tauopathy with a distribution of tau-positive neurofibrillary tangles (NFTs) that is distinct from other tauopathies, and(More)
The identification of self-renewing and multipotent neural stem cells (NSCs) in the mammalian brain holds promise for the treatment of neurological diseases and has yielded new insight into brain cancer. However, the complete repertoire of signaling pathways that governs the proliferation and self-renewal of NSCs, which we refer to as the 'ground state',(More)
Human kallikrein 6 protein is a newly discovered human kallikrein. We determined the amount of human kallikrein 6 in extracts of 182 ovarian tumours and correlated specific activity (ng hK6 mg(-1) total protein) with clinicopathological variables documented at the time of surgical excision and with outcome (progression free survival, overall survival)(More)
The cancer stem cell hypothesis posits a direct relationship between normal neural stem cells (NSCs) and brain tumour stem cells (BTSCs). New insights into human brain tumour biology and treatment should thus emerge from the study of normal NSCs. These parallels have recently been exploited in a chemical genetic screen that identified a broad repertoire of(More)
Alzheimer’s disease (AD) is the most common type of dementia affecting people over 65 years of age. The hallmarks of AD are the extracellular deposits known as amyloid β plaques and the intracellular neurofibrillary tangles, both of which are the principal players involved in synaptic loss and neuronal cell death. Tau protein and Aβ fragment 1–42 have been(More)
BACKGROUND Ependymoma is the third most common malignant tumor of the posterior fossa and is a major cause of neurological morbidity and mortality in children. Current treatments, particularly surgery and external beam irradiation result in relatively poor outcomes with significant neurological and cognitive sequelae from treatment. Historical approaches(More)
BACKGROUND Molecular profiling has uncovered genetic subtypes of glioblastoma (GBM), including tumors with IDH1 mutations that confer increase survival and improved response to standard-of-care therapies.  By mapping the genetic landscape of brain tumors in routine clinical practice, we enable rapid identification of targetable genetic alterations. CASE(More)
Autonomy, an individual's right to make personal decisions regarding his/her own health, represents one of the major ethical principles of medicine. While there are many examples citing the benefits this right provides for the individual, the impact that personal healthcare decisions have on others is often neglected. Here, evidence from end-stage renal(More)
Malignant Hyperthermia (MH) is a rare pharmacogenetic syndrome that can be fatal and the risk of MH in non RYR1-related disorders is unknown. We conducted a retrospective study to determine the prevalence of neuromuscular disorders among patients with MH at our centre. Patients who were admitted to the Hospital for Sick Children during the study period of(More)