Lecture 23 Flashcards
Papillomavirus
Non- enveloped double stranded circular DNA
polyomavirus
Non- enveloped double stranded circular DNA
Papillomavirus
HPV’s
Warts and cancer
polyomavirus
BK JC virus
simian virus 40 - SV 40
HPV
16 and 18 most common E6 and E7 are oncogenes Bind and inactivate cellular growth suppresors P53 bound by E6 P105 bound by E7
HPV
transmitted on fomites
HPV vaccine
gardacil and cervarix
protects against HPV 16, 18, 31, 45
Also HPV 6, 11
HPV warts
most common HPV 1-4
Anogenital warts HPV 6 and 11
HPV benign head and neck tumors
oral papillomas
laryngeal papillomas HPV 6 and 11
Gardasil
contains L1 of HPVs 6, 11, 16, 18
Polyomavirus
human polyomavirus BK and JC don’t usually cause disease
SV40 virus
- tumor causing virus
- not human disease
Polyomavirus - treatment
cidofovir
side effect can be nephrotoxic
Adenovirus
respiratory tract infection conjunctivitis hemorrhagic cystitis gastroenteritis used for DNA delivery
Adenovirus
tough virus spread by fecal-oral, aerosol, fingers, fomites, swimming pools
human to human
five to ten percent pediatric respiratory cases
types 1,2,5,6
Adenovirus gene therapy
correction of the normal genes
inactivation of E1, 2, 4 replaced by gene of interest