Gene Therapy Flashcards
diseases with loss of muscle mass (12)
cancer, sarcopenia, trauma, immobilisation, neuromuscular disorders, burns, sepsis, drugs, AIDS, diabetes, chronic renal failure, heart/lung disease
therapy attributes (8)
works, deliverable, tolerable, efficient, low risk/side effects, sustainable, scalable, affordable
what does it mean when a therapy works (2)
functional product and physiologically benefits cells/tissues
how can patient tolerance be controlled (2)
effects and doseage
what needs to be kept in mind for efficiency (2)
wide dose and safety window
what side effects need to be considered (2)
acute and long term
what is a gene therapy
delivering DNA/RNA to correct/compensate
what does it need to do? is considered in
construct design
where does it need to go? must consider (2)
vector configuration and delivery
types of constructs (4)
express replacement/supplemental gene, modify translation, genome modification/repair, silence gene expression, modify cellular process to compensate
DMD prevalence
1:3500 male births
who are carriers in DMD
females
what deterioration is seen in DMD (3)
debilitating limb weakness, respiratory/cardiac failure, no cure
what dystrophin is absent
427kDa
how many dystrophin promoters
7
how many dystrophin exons
79
there are multiple what associated with dystrophin
alternate isoforms
what % of DMD is novel
> 30%
muscle features (6)
muscle, muscle fiber, T tubule, myofibril, myofilament, sarcomere
dystrophin associated proteins (10)
dystrophin, actin cytoskeleton, dystrobrevin, syntrophin, nNOS, dystroglycan, SG, SPN, laminin, collagen
syntrophin and nNOS complexes are located on (2)
dystrophin and dystrobrevin
SG subunits (4)
alpha, gamma, delta, beta
dystroglycan subunits (2)
alpha and beta
dystrophin directly associates with
dystroglycan
SG directly associates with (2)
dystroglycan and SPN
dystrophin genetic elements (7)
actin binding domain 1, hinge, actin binding domain 2, spectrin like repeats, WW, CR, CT
which nuclei in muscles are missing dystrophin in DMD
all of them