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Part 4: Mitotic Inhibitors
Abramson
26
Pharmacology
Graduate
01/06/2011

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Cards

Term
Three types of cytoskeletal filaments are very common to eucaryotic cells and are fundamental to the spatial organization of cells. They are actin filaments, intermediate filaments and ________________
Definition
Microtubules
Term
Microtubules can quickly rearrange themselves to form a _________________ during cell division
Definition
Bipolar mitotic spindle
Term
Anticancer drugs are organized into two groups both based on severely disrupting the mitotic spindle.
Definition
1) Those that cause depolymerization (dissassembly) of tubulin microtubules to predominant over assembly
2)Those that result in stabilization of tubulin polymers, enabling assessmbly to predominate
Term
The medicinal benefits of the periwinkly plant is formerly know as __________
Definition
Vinca rosea
Term
The two major vinca alkaloids are_________________ and _______________
Definition
Vinblastine (Velban)
Vincristine (Oncovin)
Term
What occurs when a vinca compound binds to the tubulin dimer?
Definition
The normal dynamic steady state is altered, allowing disassembly to predominate over assembly therefore blocking mitosis
Term
Which drug is used for pediatric leukemias?
Definition
Vincristine
Term
Which drug is used in adult lymphomas
Definition
Vincristine
Term
Which drug is used in testicular carcinomas?
Definition
Vinblastine
Term
Which drug is used in lymphomas such as Hodgkin's disease?
Definition
Vinblastine
Term
The two major vinca alkaloids are vinblastine and vincristine. What is the third member of this class?
Definition
Vinorelbine
Term
___________ produces severe neurological toxicity
Definition
Vincristine
Term
Which drug is never to be injected intrathecally because of its devastating neurotoxic effects which are usually fatal?
Definition
Vincristine
Term
What drug consists of an estrogen linked to a nitrogen mustard?
Definition
Estramustine
Term
Estramustine is effective against hormone refractory and metastatic __________ cancers
Definition
Prostate
Term
Which drug was first isolated from the bark of the western yew?
Definition
Paclitaxel (Taxol)
Term
Members of this class all contain the taxane ring system and are referred to as _______ or __________
Definition
Taxanes
Taxoids
Term
What occurs when a taxane binds to the tubulin dimer?
Definition
The normal dynamic steady state is altered, allowing assembly to predominate over disassembly
Term
____________ is used in metastatic ovarian and breast cancers
Definition
Paclitaxel
Term
This drug has very limited solubility in water and must be administered by infusion in a vehicle of 50% ethanol and 50% polyethoxylated castor oil.
Hypersenstiivity reactions are relatively common
Definition
Paclitaxel
Term
Which drug is used in drug eluting coronary stents?
Definition
Paclitaxel
Term
Which durg is used to prevent in-stent restenosis?
Definition
Paclitaxel
Term
Which drug is a semisynthetic analog of paclitaxel that is approved for metastatic breast cancer and also used in non small cell lung cancer ?
Definition
Docetaxel (Taxotere)
Term
Which drug is adminsitered in polysorbate 80, and therefore has __________ hypersensitivity reactions.
Definition
Docetaxel
Reduced
Term
What is the newest taxane derivative approved for the treatment of advanced prostate cancer?
Definition
Cabazitaxel
Term
Which drug promotes tubulin polymerization and microtubule stabilization?
Definition
Ixabepilone (Ixempra)
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