Related Experiment Video
Updated: Jun 24, 2026
05:53
Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
Published on: June 21, 2018
CASP-9: A susceptibility locus for multiple sclerosis in Italy
V Andreoli1, F Trecroci, A La Russa
1Institute of Neurological Sciences, National Research Council, Pianolago di Mangone, Cosenza, Italy. v.andreoli@isn.cnr.it
Journal of Neuroimmunology
|April 11, 2009
Summary
Genetic variations in the Caspase-9 gene (CASP-9) may impact multiple sclerosis (MS) risk. Our study found the G/G genotype is a risk factor for MS in Italian patients, suggesting CASP-9 levels influence disease severity.
Area of Science:
- Genetics
- Immunology
- Neuroscience
Background:
- Caspase-9 (CASP-9) is a key enzyme in programmed cell death (apoptosis).
- Programmed cell death is implicated in the pathogenesis of multiple sclerosis (MS).
- Genetic variations (polymorphisms) in the CASP-9 gene could affect MS susceptibility.
Purpose of the Study:
- To investigate the association between a specific single nucleotide polymorphism (SNP) in the CASP-9 gene and MS risk.
- To explore the potential role of CASP-9 gene variations in MS development and severity.
Main Methods:
- Genotyping analysis of a CASP-9 gene SNP.
- Comparison of genotype frequencies between Italian MS patients and healthy controls from Southern Italy.
Main Results:
- The G/G genotype of the studied CASP-9 SNP was identified as a significant risk factor in the MS patient cohort.
- Preliminary findings suggest differential CASP-9 production may contribute to MS severity.
Conclusions:
- The CASP-9 G/G genotype is associated with an increased risk of developing multiple sclerosis in the studied Italian population.
- CASP-9 gene polymorphisms and subsequent protein production levels may play a role in MS pathogenesis and disease progression.
Related Concept Videos
01:19Multiple Sclerosis l: Introduction
Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
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...
01:05Single Nucleotide Polymorphisms-SNPs
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...