Deciding what vector is best for gene therapy Flashcards
Uses double stranded DNA
Adenovirus and Herpes Simplex virus
Uses single stranded DNA
Adeno-Associated Virus
Uses RNA
Retrovirus
Retrovirus EG
HIV
Adenovirus EG
Common cold
Adeno-associated virus EG
Nonpathogenic
Herpes Simplex virus EG
Oral/genital herpes
Infects neurons and the nervous system only
Herpes simplex virus
Only infects dividing cells
Retrovirus
Infects dividing and nondividing cells
Adenovirus and Adeno-associated virus
Remains in cells as plasmid DNA
Herpes simplex virus
No immune response
Adeno-associated virus
Max insert size 5k base pairs
Adeno-associated virus
Max insert size 5k base pairs
Adeno-associated virus
Max insert size 8k base pairs
Retrovirus
Max insert size 20k base pairs
Herpes simplex virus
Max insert size 7.5k base pairs
Adenovirus
Can cause immune response, possible to reduce chance
Retrovirus, Herpes Simplex Virus, Adenovirus
Integrates randomly
Retrovirus
Can be engineered to recognize specific proteins or tissue types
Retrovirus, Adenovirus, Adeno-associated virus
Integrates into Chromosome 19 95% of the time
Adeno-associated virus
DNA is transient
Adenovirus
Requires a “helper” virus to be replicated
Adeno-associated virus