Naturals and MIsc Flashcards

2
Q

What is the mechanism for vincristine, and is there anything unique about it?

A

natural, vinca alkaloid, binds to beta-tubulin to cause metaphase arrest and apoptosis, prevents microtubule assembly.extravasational tand neurotoxicity

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3
Q

What is the mechanism for vinbalstine, and is there anything unique about it?

A

natural, vinca alkaloid. bind to beta-tubulin, prevent microtubule assembly, cause metaphase arrest and apoptosis.Extravastional toxicity and leukopenia

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4
Q

What is the mechanism for vinorelbine, and is there anything unique about it?

A

natural, vinca alkaloid, binds to beta-tubulin to prevent microbule assembly and metaphase. Apoptosis.extravasional toxicity, leukopenia

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5
Q

What is the mechanism for topotecan and irinotecan, and is there anything unique about it?

A

natural, camptothecin analog, stabalize DNA topoisomerase I cleavage complex, causing double DNA strand breaks. AchE inhibition, bad with Gilberts syndrome

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6
Q

What is the mechanism for etoposide and teniposide, and is there anything unique about it?

A

natural, podophyllotoxins, complex with topoisomerase II and DNAExtravasational toxicity. Resistance when p53 mutations are present

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7
Q

What is the mechanism for paclitaxel, and is there anything unique about it?

A

natural, taxane, bind to beta-tubulin to prevent microtubule DISsassembly.extravasational and “stocking-glove”

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8
Q

What is the mechanism for docetaxel, and is there anything unique about it?

A

natural, taxane, bind to beta-tubulin to prevent microtubule DISsassembly.extravasational and edema fluid retention

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9
Q

What is the mechanism for doxorubicin, daunorubicin, epirubicin, mitoxantrone, and is there anything unique about it?

A

natural, anthracyclines, intercalate with DNA, preveinging transcription and replication. Also complex with Topoisomerase II, generate free radicals from semiquinone.extravasational, CHF and LV dysfunction, cardiotoxicity.Give with Dexroxazone - iron chelator to reduce ccardiotoxicity.epirubicin -RED URINE from drug colorationmitoxantrone - bluegreen colored nails

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10
Q

What is the mechanism for bleomycin, and is there anything unique about it?

A

natural, bleomycin, drug-rion complex oxidizes deoxyribose of thymidylate and other nucleotides, causing sindle and double strand DNA breaks.extravasional and lung fibrosis.

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11
Q

What is the mechanism for actinomycin D, and is there anything unique about it?

A

natural, actinomycin, intercalate w DNA causing single DNA strand breaks via topoisomerase II inhibitionExtravasational, GI toxicity

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12
Q

What is the mechanism for asparaginase, and is there anything unique about it?

A

natural, asparaginase, converts asparagine to aspartic acid and ammonia, decreasing asparagine availability and inhibiting cell proliferation.Pacreatitis.

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13
Q

What is the mechanism for hydroxyurea, and is there anything unique about it?

A

scavenges free radicals required for conversion of ribonucleotides to deoxyribonucleotides.

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14
Q

What is the mechanism for thalidomide, and is there anything unique about it?

A

inhibits tumor cell proliferation, adhesion to stroma, angiongenesis, and enhances NK cell activity.Thromboembolic complications

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15
Q

What is the mechanism for tretinoin, and is there anything unique about it?

A

differentiating agent, disrupts the chimeric gene and promotes differentiation in acute promyelocytic leukemia

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16
Q

What is the mechanism for glucocorticoids and dexamthasone, and is there anything unique about it?

A

immunosuppressants that have anti-neoplastic effects

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