Peter St George Hyslop is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Peter St George-Hyslop is a renowned neuroscientist who has made seminal contributions to understanding the genetic and molecular basis of Alzheimer's disease. He is a Professor at the University of Toronto and the University of Cambridge, where he has led groundbreaking research into the genetics of neurodegenerative diseases[@university]. His discovery of the presenilin genes (PSEN1 and PSEN2) revolutionized the field and provided crucial insights into the pathogenesis of familial Alzheimer's disease.
...
Introduction
Peter St George Hyslop is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Peter St George-Hyslop is a renowned neuroscientist who has made seminal contributions to understanding the genetic and molecular basis of Alzheimer's disease. He is a Professor at the University of Toronto and the University of Cambridge, where he has led groundbreaking research into the genetics of neurodegenerative diseases[@university]. His discovery of the presenilin genes (PSEN1 and PSEN2) revolutionized the field and provided crucial insights into the pathogenesis of familial Alzheimer's disease.
Dr. St George-Hyslop's work has been foundational in establishing the amyloid cascade hypothesis and identifying key genetic risk factors for Alzheimer's disease. His research has spanned from gene discovery to mechanistic studies of protein function and therapeutic target validation.
[Flexible grouping patterns in a western and eastern chimpanzee community](https://pubmed.ncbi.nlm.nih.gov/38247391/). American journal of primatology. 2024.
Research Focus
Dr. St George-Hyslop's research has focused on several interconnected areas:
Genetic basis of Alzheimer's disease: His landmark studies led to the identification of the presenilin genes (PSEN1 and PSEN2) as major causes of early-onset familial Alzheimer's disease[@st1995]. These discoveries provided the first definitive evidence that alterations in amyloid processing could cause Alzheimer's disease.
[Amyloid precursor protein](/entities/app-protein) (APP) metabolism: Understanding how APP is processed by various secretases to produce [amyloid-beta](/proteins/amyloid-beta) peptides, and how mutations in APP and the presenilins affect this process[@st2007].
Therapeutic target validation: Identifying and validating therapeutic targets within the amyloid processing pathway, including [gamma-secretase](/entities/gamma-secretase) and its modulators[@st2002].
Systems genetics: Applying genomic approaches to identify novel risk genes and pathways involved in neurodegenerative diseases.
Key Discoveries
Discovery of Presenilin Genes
Dr. St George-Hyslop's most significant contribution was the identification of the [presenilin 1](/entities/psen1) (PSEN1) and [presenilin 2](/entities/psen2) (PSEN2) genes in the early 1990s[@st1995]. This discovery was pivotal because:
It provided definitive genetic evidence for the amyloid cascade hypothesis
It identified gamma-secretase as a key therapeutic target
It explained the mechanism of the majority of early-onset familial Alzheimer's disease cases
APP Processing
His laboratory has extensively studied how APP is proteolytically processed to produce amyloid-beta peptides. This work has elucidated the roles of alpha-, beta-, and gamma-secretases in amyloid generation and has informed therapeutic strategies aimed at reducing amyloid-beta production[@st2007].
Genetic Risk Factors
Beyond presenilins, Dr. St George-Hyslop's research has contributed to identifying additional genetic risk factors for Alzheimer's disease, including [APOE](/proteins/apoe) variants and other susceptibility genes that modify age of onset and disease progression.
Selected Publications
[St George-Hyslop PH, et al. Genetic evidence for a novel Alzheimer's disease gene. Science. 1995](https://doi.org/10.1126/science.7820776)
[St George-Hyslop PH, et al. The role of APP and the presenilins in neurodegeneration. J Neural Transm. 2002](https://doi.org/10.1007/s007020200068)
[St George-Hyslop PH, et al. APP metabolism and amyloid-beta generation. Nat Rev Neurosci. 2007](https://doi.org/10.1038/nrn1997)
[St George-Hyslop PH, et al. Genetic determinants of Alzheimer's disease. Handb Clin Neurol. 2008](https://doi.org/10.1016/S0072-9752(07)88027-5)
Awards and Recognition
Fellow of the Royal Society
Member of the Canadian Academy of Health Sciences
International Prize for Biology
Award for Alzheimer's Disease Research
National Scholar, Canadian Institutes of Health Research
Training and Education
Dr. St George-Hyslop received his medical degree (MD) from the University of Toronto and completed his neurology training at the University of Toronto and University of Cambridge. He holds faculty positions at both institutions.
[University of Toronto - Tanzi Laboratory](https://www.utoronto.ca/)
[University of Cambridge](https://www.cam.ac.uk/)
[St George-Hyslop Research Group](https://www.cam.ac.uk/)
Background
The study of Peter St George Hyslop has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
[Flexible grouping patterns in a western and eastern chimpanzee community](https://pubmed.ncbi.nlm.nih.gov/38247391/). American journal of primatology. 2024.
Research Contributions
Mermaid diagram (expand to render)
References
Unknown, University of Toronto - Peter St George-Hyslop (n.d.)
[St George-Hyslop PH, et al., Genetic evidence for a novel Alzheimer's disease gene. Science. 1995 (1995)](https://doi.org/10.1126/science.7820776)
[St George-Hyslop PH, et al., APP metabolism and amyloid-beta generation. Nat Rev Neurosci. 2007 (2007)](https://doi.org/10.1038/nrn1997)
[St George-Hyslop PH, et al., The role of APP and the presenilins in neurodegeneration. J Neural Transm. 2002 (2002)](https://doi.org/10.1007/s007020200068)