Related Experiment Video
Updated: Jun 2, 2026
04:41
Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
Published on: January 9, 2020
Shared molecular and functional frameworks among five complex human disorders: a comparative study on interactomes
1Neuroimmunology and Neuromuscular Disorders Unit, Foundation IRCCS Neurological Institute Carlo Besta, Milan, Italy.
Plos One
|May 3, 2011
Summary
Systems biology reveals shared molecular pathways underlying neurodegenerative and autoimmune diseases. This study uncovers unexpected genetic links between Type 1 diabetes and Alzheimer's disease, suggesting common biological networks influence disease susceptibility.
Area of Science:
- Genomics
- Systems Biology
- Neuroimmunology
Background:
- Genome-wide association studies (GWAS) identify common variants for complex diseases.
- Large GWAS datasets require further exploration to understand the functional framework of susceptibility genes.
Purpose of the Study:
- Investigate relationships among five complex diseases: Parkinson's, Alzheimer's, multiple sclerosis, rheumatoid arthritis, and Type 1 diabetes.
- Characterize interactomes linked to GWAS genes to identify shared molecular and biological networks.
Main Methods:
- Pathway enrichment analysis of disease-specific interactomes.
- Comparative analysis of genetic interactomes across multiple neurodegenerative and autoimmune diseases.
Main Results:
- Immune function and growth factor signaling pathways are implicated in autoimmune diseases and Alzheimer's disease.
- Significant molecular and functional relatedness observed among autoimmune diseases.
- Unexpected relatedness identified between Type 1 diabetes and Alzheimer's disease.
Conclusions:
- Systems biology approach highlights known pathogenic processes linked to genetic susceptibility.
- Comparative analyses reveal novel, unexpected genetic relationships between distinct diseases.
- Demonstrates the potential of systems biology in uncovering links between genetics and complex disease pathogenesis.
Related Concept Videos
01:28Human Genetics
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
01:43Sex Linked Disorders
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
01:29Biological Causes of Schizophrenia
Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
01:11Genome-wide Association Studies-GWAS
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
01:23Behavioral Genetics and Its Designs
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
01:43Sex-linked Disorders
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.