Chemotherapy Flashcards
What does transglycosylase do?
Crosslinks glycan strands and extends chains
What does transpeptidase do?
Crosslinks peptide strands
What does bactoprenol do?
Forms phosphate bridge with the cell wall precursor so it can be transported to teh outer membrane
What kind of hydrolases are transpeptidases?
Serine hydrolases
Which are the aminoglycosides?
Streptomycin and gentamycin
Which is the macrolide?
Erythromycin
Which are 30S subunit?
Tetracycline and streptomycin
Which are 50S subunit?
Chloramphenicol and erythromycin
Which bacteria are aminoglycosides inhibited in?
Gram -ves
What is chloramphenicol used to treat?
Typhus and bacterial meningitis from H influenzae or N meningitidis
What does fusidic acid used for?
Skin and eye infections by gram +ves
Which infections are fluoroquinolones used against?
UTIs, osteomyelitis, pneumonia, gastroenteritis, anthrax and pseudomonas
What is rifampin used to treat?
TB
What is co-trimoxazole used to treat?
Pneumocystis
What is polymixin used to treat?
Resistant pseudomonas
What is amphotericin B active against?
Cryptococcus, aspergillus, candida
What is melarsen used to treat?
Trypanosoma
What is suramin used to treat?
Trypanosoma
What does sodium stibogluconate treat?
Leishmaniasis
What is fansidar used against?
Plasmodium
What is IFN-alpha-2a used to treat?
HBV and AIDS Kaposi sarcomas
What is IFN-alpha-2b used to treat?
HCV
Which receptors do IFNs act on?
Ganglioside
Which active site do A C and D have?
Serine
What do B lactamases do?
Use zinc to activate a water molecule and add it to the ring
What are vancomycin resistant bacteria called?
VanA and VanB
Which enzymes do vancomycin resistant bacteria have?
VanH, VanA and VanX
Which proteins do vancomycin resistant bacteria have?
VanS and VanR
Which bacteria has lots of efflux transporters?
Pseudomonas
Which regulon controls MDR in E coli?
MAR
What makes up HAART?
Protease inhibitor + reverse transcriptase inhibitor
What shows the points where drug efficacies overlap?
Isobologram
What is dose proportional to with new anticancer agents?
Body surface area
What is a phase II trial?
Anti-tumour efficacy
What is a phase III trial?
Comparison with best available therapy