22 Questions
What is the main focus of pharmacogenetics?
Studying the genetic variation in drug response
What is the primary concern of pharmacogenomics?
Assessing multigenic determinants of drug response
Why is the genotype to phenotype approach important in drug response?
It reduces the process of trial and error in prescribing new medication
What is a significant factor contributing to the variability in drug response among individuals?
Genetics
What does the PGxOne test provide insight into?
Patient's response to certain drugs based on their DNA
What is the primary cause of the deficiency of glucose-6-phosphate dehydrogenase (G6PD) in the blood?
Genetic mutation resulting in deficiency of an essential enzyme
Which group is more commonly affected by the deficiency of G6PD?
Males and Asians
Which of the following medications should individuals with G6PD deficiency avoid?
Primaquine and Chloroquine
What are SNPs?
Single base differences in DNA
What is the association between VKORC1 variant and warfarin sensitivity?
It requires a lower warfarin dose
Which enzymatic variant is not associated with warfarin sensitivity and requires a lower warfarin dose?
VKORC1
For the gene mutation VKORC1*1, what does "VKORC1" indicate?
gene identifier
For the gene mutation VKORC1*1, what does "*1" indicate?
wild-type allele
For the gene mutation VKORC1*2, what does "*2" indicate?
decreased enzyme activity
For the gene mutation VKORC1*3, what does "*3" indicate?
decreased enzyme activity
What percentage of drugs are at least partially metabolized by the CYP2D6 enzyme?
20-25%
How many alleles of the CYP2D6 enzyme are currently identified?
46
Which type of drugs are metabolized by the CYP2D6 enzyme that was listed in the PowerPoint?
Antidepressants
What are haplotypes in the context of genetics?
Groups of gene mutations inherited from both parents
How are CYP2D6 haplotypes defined?
By the combination of variants of the CYP2D6 gene inherited from both parents
What type of metabolism does an extensive metabolizer have?
Normal typical metabolism
How would you describe the metabolism of an intermediate metabolizer?
Reduced metabolism
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