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Experiment
| Question | Answer |
|---|---|
| Gouty attacks are caused by ___ crystals that deposit in a ___ or ___. | MONOSODIUM URATE, JOINT, KIDNEY |
| CML & Gout go together b/c ___ from increased ___ can't be salvaged so they're broken down into ___. | PURINES, CELL TURNOVER, URIC ACID |
| Dysplasia is abnormal ___ of ___ or ___ | GROWTH, ORGANS, CELLS |
| Myelodysplastic Disorder is ___: dysplasia of ___ & other elements in ___, which may take form of ___ or of abnormal ___ (which may precede ___ leukemia). | PRE-LEUKEMIA, MYELOCYTES, BM, MYELOSUPPRESSION, PROLILFERATION, MYELOGENOUS |
| Hyperleukocytosis is treated by ___ + ___ to bring down ___. | LEUKAPHERESIS, HYDROXYURIA, WBC CT |
| Acute Gout is treated with ___ or ___. | COLCHICINE, INDOMETHACIN |
| Colchicine causes diarrhea because it's an ___ agent that effects ___ like ___. | ANTI-MITOTIC, RAPIDLY DIVIDING CELLS, GI EPITHELIUM |
| Colchicine is given for gout because it lowers ___ => less ___ metabolism. | NEUTROPHILS, PURINE |
| CNS Leukemia happens when ___ spread outside the blood into the CNS. Sx include: ___, ___, ___, ___, ___, ___. | WBC PRECURSORS; HA, WEAKNESS, SEIZURES, VOMITING, POOR BALANCE, BLURRY VISION |
| CNS Leukemia is treated the same as ___ - ___ + ___. Sx decrease as ___ returns to normal. | HYPERLEUKOCYTOSIS, LEUKAPHERESIS, HYDROXYUREA, WBC CT. |
| If Colchicine causes too much diarrhea, switch to ___ & treat dehydration with ___ & ___. | ALLOPURINOL, FLUIDS, K+ |
| Urate deposition in Gout is c/b increased ___ concentration d/t either ___ or ___ of ___. | URATE, OVERPRODUCTION, UNDEREXCRETION, URATE |
| Crystals form in Gout when ___ ___ in the blood. | MONOSODIUM URATE, SUPERSATURATION |
| Tophi are ___ masses of ___ crystals in ___ ___. | NODULAR, MONOSODIUM URATE, SOFT, TISSUE |
| Gouty Arthritis develops when crystals cause ___ leading to ___. This causes ___ recruitment, which ___ crystals, causing damage to ___. This releases ___ (O2 metabolites) in the joint, which damage the joint surface causing ___ & ultimately ___. | TISSUE DAMAGE, INFLAMMATION, PMN, PHAGOCYTOSE, PHAGOSOME MEMBRANE, LYSOSOMAL ENZYMES, INFLAMMATION, ARTHRITIS |
| The symptoms of Gout include: ___, usually ___ most commonly affecting the ___. ___ onset, ___ (typically nocturnal). Local postinflammatory ___ (___), & ___ (___). | PAIN, MONOARTICULAR, MCP JOINT, ACUTE, FEVER, DESQUAMATION (SKIN PEELING), PRURITIS (ITCHY) |
| Gout is diagnosed by ___ on blood analysis. Definitive Dx = aspiration of ___ needles, but this is quite painful. | HYPERURICEMIA, NEGATIVELY BIREFRINGENT |
| Acute pain in gouty attacks is caused by rapid ___ (either ___ or ___) in ___ concentration in a joint. Loose ___ irritate ___ causing an ___. | CHANGE, INCREASE, DECREASE, URATE, CRYSTALS, SYNOVIUM, INFLAMMATORY RESPONSE |
| The 3 stages of Gout are: ___ Stage, ___ Stage, ___ Stage. | ACUTE, INTERCRITICAL, CHRONIC |
| The Acute Stage of Gout includes: Joint ___ & ___. Pain peaks within ___ day(s). Mostly affects ___ joint. | SWELLING, PAIN, 1, MCP |
| The Intercritical Stage of Gout includes: ___ between ___. The patient is ___. | TIME, ATTACKS, ASYMPTOMATIC |
| The Chronic Stage of Gout includes: ___ symptoms of ___ & ___ in the affected joints. | PERSISTENT, SORENESS, ACHING |
| Imatinib mesylate is a ___ inhibitor that inhibits ___. | PROTEIN TYROSINE KINASE (PTK), BCR-ABL TK |
| Imatinib works by inhibiting ____ by inducing ___ & preventing ___. | BCR-ABL TK, APOPTOSIS, CELL PROLIFERATION |
| Imatinib works on ___ lines & “___” cells that are ___. Also inhibits ___ proteins of ___ & ___ factor. It has little effect on ___ hematopoietic cells because it’s designed for ___. | BCR/ABL SC, FRESH LEUKEMIC, PH+, TK RECEPTOR, PDGF, SC, NORMAL, BCR/ABL |
| MOA of Imatinib: ___ is the energy & ___ source for the ___ enzyme. Imatinib blocks the ___ pocket where ___ binds. | ATP, PHOSPHATE, KINASE, KINASE, ATP |
| Imatinib should be used in the ___ stage of CML. In ____ stages, ___ mutations ___ the effectiveness. | EARLY, LATER, FURTHER, DAMPEN |
| ___% of patients on imatinib achieve _____. | ~75, COMPLETE CYTOGENIC REMISSION |
| CML Pathogenesis: BCR/ABL translocation => ___ TK activity. Net effect is ___ cell division & ___ of apoptosis. | CONSTITUTIVE, UNREGULATED, INHIBITION |
| CML differs from other MPDs in the following ways: ___kD BCR-ABL translocation. Chrom ___ gets a new ___ end from Chrom ___. Chrom ___ is shortened into the ___ chrom. | 210, 22, 3’, 9, 22, PHILADELPHIA |
| Clinical course of CML is ____: ___ phase, ____ phase, & ___. | TRIPHASIC, CHRONIC, ACCELERATED, BLAST CRISIS |
| ___% of CML patients are diagnosed during ___ phase. | 85, CHRONIC |
| Chronic phase typically lasts ___ depending on ___. | 2-10 YRS, TREATMENT |
| The hallmark of Chronic phase is ___ production of ___. | UNCONTROLLED, MATURING GRANULOCYTES |
| In Chronic Phase, you see peripheral blood ___ of myeloid precursors. ___ WBCs – mainly ___. Also ___ of non-functioning ___ in ___% of patients. | LEUKOCYTOSIS, >25, 000, PMNS, THROMBOCYTOSIS, PLATELETS, 50 |
| “Left Shift” is proliferation of ___ cells. ___ cells are on the L, ___ cells are on the R (arbitrary). | MATURING, IMMATURE, MATURE |
| Signs of Chronic Phase seen on PE are ___ d/t ___ hematopoiesis, & occasionally ___ or ___. | SPLENOMEGALY, EXTRAMEDULLARY, HEPATOMEGALY, ADENOPATHY |
| Other lab findings during Chronic Phase include: abnormally low ___, hypercellular ___, dominance of ___ tissue (esp. ___). | LEUKOCYTE ALKALINE PHOSPHATASE, BM, HEMATOPOIETIC, GRANULOPOIESIS |
| Sx during Chronic Phase: gradual onset of ___, ___, ___, ___, ___. | FATIGUE, ANOREXIA/EARLY SATIETY, WT LOSS, LUQ DISCOMFORT, EXCESSIVE SWEATING |
| CML is diagnosed by identifying ___ . | PH+ CHROMOSOME |
| Accelerated Phase is essentially a ___ to ___. | TRANSITION, BLAST CRISIS |
| ___ all patients go through ___ Phase. At least ___% go straight to ___ without evidence of ___. | NOT, ACCELERATED, 20, BLAST CRISIS, ACCELERATED PHASE |
| In Accelerated Phase ___ differentiation is progressively impaired. ___ counts are more difficult to control with ___ meds. Development of increasing degrees of ___ unaccounted for by ___ or ___. ___ & ___ may not be controllable. | PMN, WBC, MYELOSUPPRESSIVE, ANEMIA, BLEEDING, CHEMO, SPLENOMEGALY, ANEMIA |
| Blast Crisis resembles ___. ___ or ___ fail to differentiate. It can be ___ if initial diagnosis occurs in this phase. | ACUTE LEUKEMIA, MYELOID BLASTS, LYMPHOID BLASTS, MISDIAGNOSED |
| During Blast Crisis ___ count is greatly increased (>___%) in blood smear or BM. Extramedulary infiltration of ___, ___, ___, & ___. | BLAST, 30, LN’S, SKIN, SUB-Q TISSUE, BONE |
| The most common physical findings in Blast Crisis include ___, ___, & ___. | SUB-Q NODULES, HEMORRHAGIC SKIN LESIONS, LYMPHADENOPATHY |
| Blast Crisis is exacerbated by ___. | SMOKING |
| Once entering Blast Crisis a patient is estimated to survive ___. | 3-6 MONTHS |
| The DDx of CML includes essentially any myeloproliferative disorder (MPD): ___, ___, ___, ___. | POLYCYTHEMIA VERA, REACTIVE LEUKOCYTOSIS, ESSENTIAL THROMBOCYTOSIS, ANGIOGENIC MYELOID METAPLASIA. |
| Findings indicative of CML are no ___, decreased ___, normal ___ with 0-few ___ RBCs. ____ = definitive Dx. | LAP (LEUKOCYTE ALKALINE PHOSPHATASE), HEMATOCRIT, RBC MORPHOLOGY, NUCLEATED, BCR/ABL |
| Other MPDs differ from CML in the following ways: WBC ct usually <___/uL. Usually no ___. Elevated ___. Most important: no ____! | 50,000, SPLENOMEGALY, LAP, BCR/ABL GENE |
| Polycythemia Vera is a ___ from multipotent ___. There’s increased BM production of ___, ___, & ___ cells, but ___ are produced in greatest excess, so ___ & ___ are also very high. You’ll also see ___, ____, ____, & high ___. | NEOPLASM, ERYTHROID, GRANULOCYTIC, MEGAKARYOCYTIC, RBC’s, HEMATOCRIT & HEMOGLOBIN, SPLENOMEGALY, LEUKOCYTOSIS, THROMBOCYTOSIS, TOTAL BLOOD VOLUME |
| Reactive Leukocytosis is associated with ___. It differs from CML in the following ways: WBC count usually <___/uL. Usually no ___. Elevated ___. Most important: no ___! | INFECTION, 50,000, SPLENOMEGALY, LAP, BCR/ABL GENE |
| In Essential Thrombocytosis ___ don’t fXn properly => excessive ___. It’s the ___ common MPD & c/b a mutation in ___. ___ are greatly +++ed with no alternative cause. ___ levels are normal, ___ are often greatly elevated, & often a mild increase in ___. | PLATELETS, BLEEDING, LEAST, JAK2 KINASE, PLATELETS, HB, MEGAKARYOCYTES, PMNs |
| Angiogenic Myeloid Metaplasia, a.k.a. ___ is a ___ disorder that leads to chronic ___ & ___ hyperplasia. ___ fibrosis is caused by abnormal ___ levels. ___, ___, & severe ___ morphology changes are also seen. | CHRONIC IDIOPATHIC MYELOFIBROSIS, HEMATOPOIETIC SC, MYELOPROLIFERATION, MEGAKARYOCYTIC, BM, GROWTH FACTOR, ANEMIA, SPLENOMEGALY, RBC |
| CML is diagnosed by increased ___ & significant ___ of ___ progenitor cells (w/ decreased ___ & ___). Presence of ___ or ___. | WBC, L-SHIFT, MYELOID, PROMYELOCYTE, BLASTS, PH+ CHROMOSOME, BCR/ABL GENE |
| Ph+ chromosome occurs by ___ translocation between the ___ arms of chromosomes ___ & ___. The translocation occurs in a ___ SC. | RECIPROCAL, LONG, 9, 22, PLURIPOTENT |
| ___% of CML pts are Ph+. | 95 |
| ABL is a ___ on chromosome ___. (___ = long arm). ABL = ___, which is the name of a leukemia ___ with a similar ___. It encodes a non-receptor ___ (c-ABL). | PROTO-ONCOGENE, 9q, q, ABELSON, VIRUS, PROTEIN, PTK |
| BCR = “___”. It’s located on chromosome ___. It’s named for the point at which the ___ breaks in ___ translocation. BCR protein is involved in ___, ___, ___, ___. | BREAKPOINT CLUSTER REGION, 22q, CHROMOSOME, CML, OLIGOMERIZATION, SERINE KINASE ACTIVITY, GUANINE NUCLEOTIDE EXCHANGE, GTPase ACTIVITY |
| The BCR/ABL fusion protein is a ___kD protein made when both genes are translated into a single ___ with no ___. It’s found on the ___ side of the cell membrane. It has a ___ active ___ region. | 210, PROTEIN, STOP CODON, CYTOPLASMIC, CONSTITUTIVELY, TYROSINE KINASE |
| BCR/ABL fusion protein causes increased ___, decreased ___, disturbed interaction with the cell’s ___. | PROLIFERATION, APOPTOSIS, ECM |
| The increased proliferation caused by BCR/ABL is increased cell cycle entry of ___ cell lines & ___ cells in the absence of ___. This causes these cell lines to become independent of ___ for ___ & ___. | HEMATOPOIETIC, PRIMARY, GROWTH FACTORS, CYTOKINES, SURVIVAL, PROLIFERATION |
| Decreased apoptosis caused by BCR/ABL is caused by the ___ that activates downstream ___ to prevent ___. | TYROSINE KINASES, KINASE, APOPTOSIS |
| BCR/ABL causes disturbed interaction w/ the cell’s ECM by activating several proteins associated with ___ structure & function. | CYTOSKELETAL |
| The 1st line drugs for CML before imatinib were ___ + ___ (___) or ___. | INTERFERON α (INF), CYTOSINE ARABINOSIDE (CYTARABINE – CA), HYDROXYUREA |
| Treating CML using INF & CA is problematic because they are very ___ chemotherapy. They are ___ with heavy ___ (<___% imatinib vs ___% for INF). | BROAD SPECTRUM, NONSPECIFIC, SEs, 1, 25 |
| The advantage of imatinib over INF is that more patients achieve complete ___ (absence of ___) with imatinib. ___% imatinib vs ___% INF. | CYTOGENIC RESPONSE, PH+, 76, 14 |
| Colchicine works by binding ___, a ___ protein causing its ___. This disrupts cellular fxns like the mobility of ___, thus decreasing their ___ to the ___. | TUBULIN, MICROTUBULAR, DEPOLYMERIZATION, GRANULOCYTES, MIGRATION, AFFECTED AREA |
| Probenecid is a ___ agent. It is a weak ___ acid that promotes ___ of ___ by inhibiting the ___ in the ___ that mediates ___ reabsorption. | URICOSURIC AGENT, ORGANIC, RENAL CLEARANCE, URIC ACID, URATE-ANION EXCHANGER, PROXIMAL TUBULE, URATE |
| Allopurinol blocks ___, which is helpful because when that is inhibited, circulating ___ derivatives (___ & ___) are more ___ & less likely to ___. It also causes feedback inhibition of ___ synthesis. | XANTHINE OXIDASE, PURINE, XANTHINE, HYPOXANTHINE, SOLUBLE, PRECIPITATE, PURINE |
| Oxypurinol is a ___ of ___ that also inhibits ___. | METABOLITE, ALLOPURINOL, XANTHINE OXIDASE |
| RN reductase or ___ reductase is the ___ in ___ synthesis. | RIBONUCLEOTIDE, RATE-LIMITING ENZYME, DNA |
| SNoW DRoP | Southern blot: DNA, Northern blot: RNA, Western blot: Protein |
| In the past, hydroxyurea was used in CML when the patient was ___ or did not ___ to ___. | RESISTANT, RESPOND, INF |
| In CML, hydroxyurea ___ the disease, but does not ___. It holds cells in ___ & is lethal to those in ___. | MANAGES, CURE, G1, S PHASE |
| Hyperleukotic syndrome is treated with ___ + ___ as the 1st step in treatment. Then ___ is added while ___ is tapered as ___ lower. | LEUKAPHORESIS, HYDROXYUREA, IMATINIB, HYDROXYUREA, WBCs |
| Rational Drug Design is a way of creating drugs based on their ___ - usually a ___ in a ___ or ___ pathway. | BIOLOGICAL TARGET, MOLECULE, SIGNALING, METABOLIC |
| Rational Drug Design is developed using ___ at ___ resolution to understand structures of ___ so ___ can be designed & ___ minimized. | X-RAY CRYSTALLOGRAPHY, ATOMIC, RECEPTOR COMPLEXES, LIGANDS, DRUG RESISTANCE |
| Dasatinib is a drug that more effectively ___ BCR/ABL ___ than ___. | INHIBITS, KINASE, IMATINIB |
| Gleevec resistance may occur by ___ of the Bcr/Abl gene &/or increased ___ due to increased ___, &/or ___ of bcr/abl ___ resulting in high levels of ___ activity even in the presence of ___. | AMPLIFICATION, EFFLUX, MULTI-DRUG RESISTANCE PTN, ALTERATIONS, AAs, KINASE, IMATINIB |
| Dasatinib's ___ allows for activity in the majority of ___ stages of __ & ___. | CHEMICAL STRUCTURE, IMATINIB-RESISTANT, CML, PH+ ALL |
| Dasatanib isn't a substrate for ___ (a.k.a. ___). This means it can have increased ___ in ___ cells that highly express ___. | MULTI-DRUG RESISTANT PROTEIN, P-GLYCOPROTEIN, CONCENTRATION, HEMATOPOIETIC CELLS, P-GLYCOPROTEIN |
| Dasatanib also targets many other ___. This may contribute to the ___ response. | KINASES, CYTOGENIC |
| There may not be ___ btn dasatinib & imatinib, as studies have ID’ed several ___ that confer resistance to ___ but not ___. | X-RESISTANCE, BCR/ABL MUTATIONS, DASATINIB, IMATINIB |
| In CML, hydroxyurea specifically binds ___ catalytic subunit – highest [] during ___. Esp in ___ this leads to ___ of cells at ___ causing apoptosis. Immediate inhibition of ___ synth – no effect on ___ or ___ synth. | M2, S PHASE, RAPIDLY DIVIDING CELLS, ACCUMULATION, G1/S PHASE, APOPTOSIS, DNA, RNA, PTN |
| ___ is the only curative Tx for CML. 1st & 2nd line Txs = ___ & ___ for leukocytosis. Older chemotherapeutic agents are no longer used unless newer treatments do not work. Hydroxyurea is still used for WBC >___ before primary Tx is started. | BM TRANSPLANT, TK INHIBITORS, HYDROXYUREA, 100,000 |
| Hematologic Response – normalization of ___ in ___, not necessarily in ___. | WBC CT, BLOOD, BM |
| Cytogenic Response – reduction in or the elimination of the ___ expressing the ___. | # OF CELLS, PH+ CHROMOSOME |
| Leukapheresis: use ___ to rapidly & safely lower WBC counts in pts w/ WBC >___ cells/uL. May ctrl ___ in ___ phase CML. ___ & ___ – used to alleviate ___ Sx. Used in emergencies like ___ or ___. Also in ___ who need to avoid ___ drugs. | CELL SEPARATOR, 300,000, BLOOD CTS, CHRONIC, EXPENSIVE, CUMBERSOME, ACUTE, PULM FAILURE, STROKE, PG WOMEN, TERATOGENIC |
| INF has ___ & ___ activity. Suppresses CML ___ cells & allows normal SCs to reconstitute the ___. Tx of choice after ___ – given after ___ response. Used in pts too old for ___ or who don’t have a ___. | ANTI-TUMOR, IMMUNOMODULARY, PROGENITOR, BM, IMATINIB, HEMATOLOGIC, BM TXPLT, MATCHED DONOR |
| With INF, cytogenic response tested every __. Goal = ___. Pts w/ ___ should stay on maintenance therapy as long as ___ continues. ___ noted in most pts, ___ noted in ___% pts. Usually started at low doses due to heavy toxicity. | 3-6 MOS, 100% REMISSION, MINIMAL RESIDUAL DISEASE (MRD), PARTIAL REMISSION, COMPLETE, 27 |
| Hydroxyurea is an ___ of ___ synthesis – most common ___ used for hematologic remission. | INHIBITOR, DEOXYNUCLEOTIDE, MYELOSUPPRESIVE AGENT |
| When giving hydroxyurea monitor ___ & ___ ct ea ___ & adjust dose accordingly. Less ctrl of ___ manifestations req's more F/Us. Most pts achieve ___ remission w/in ___. Has low ___, but rarely => ___ remission. | WBC, PLT, 2-4WKS, HEMATOLOGIC, HEMATOLOGIC, 1-2MOS, TOXICITY, CYTOGENIC |
| Busulfan (___)is an ___ agent used to keep ___ <___cells/uL. Difficult to maintain numbers b/c ___ effects occur much later & persist longer. Not used anymore b/c long-term use causes ___ & ___. | MYLERAN, ALKYLATING, WBCs, 15,000, MYELOSUPPRESSIVE, PULM FIBROSIS, HYPERPIGMENTATION |
| ___ AKA Bone marrow transplant is the only ___ treatment for CML. Recommended w/in ___ of DX or after ___ of ___ therapy w/o good ___ response. | HEMATOPOIETIC (STEM) CELL TRANSPLANTATION, CURATIVE, 1YR, 1YR, INF, CYTOGENIC |
| BM TXPLT cures CML by initial ___ then long-term ___ from donor’s ___. Alloimmune effect called “___”. Recurring ___ disease after transplantation can usually be reversed w/o more ___ by infusion of ___from ___ – can => long term remission in ___% pts. | CYTOREDUCTION, IMMUNE CTRL, IMMUNE SYSTEM, GRAFT VS LEUKEMIA, CHRONIC PHASE, CHEMO, T LYMPHS, INITIAL DONOR, 50-70 |
| BM TXPLT Should be considered early in pts <___. It's better for pts in ___. Most difficult part is ___ – only ___ have HLA matched siblin. ___ HLA match donor = best possible match. Complications inc. ___, ___ and ___. | 40Y, CHRONIC PHASE, FINDING DONOR, 1/3, 6/6, GRAFT VS HOST DISEASE, VENO-OCCLUSIVE DISORDERS, TRANSPLANTATION-RELATED INFECTIONS. |
| Dasatinib, AKA ___ is used in pts resistant to ___. It's ___ competitive, dual specific ___ & ABL kinase inhibitor. ___ fold potency against BCR/ABL compared to imatinib. Approved as a ___ line Tx for CML; being evaluated as ___ line. SEs: ___ & ___. | SPRYCEL, IMATINIB, ATP, SRC, ABL, 100-300, 2ND, 1ST, MYELOSUPPRESSION, GI TOXIC EFFECTS |
| Nilotinib is a ___ inhibitor. It has ___ fold potency compared w/ ___. Better ___ for ___ pocket. Currently in clinical trial. | TK, 20-30, IMATINIB, TOPOGRAPHICAL FIT, KINASE |
| Microtubules are attached to ___ & pull on ___ in ___. They are used in ___, ___, & ___. | SPINDLES, CHROMOSOMES, MEIOSIS, MITOSIS, CYTOKINESIS, VESICULAR TRANSPORT |
| Microfilaments: ___ filaments of the ___. They're found in the ___ of all ___ cells. They're linear polymers of ___ – flexible & strong, & highly versatile: ___, ___, changes in ___. Also contractile ___ like tensile platform for ___ in muscle contraxn. | THINNEST, CYTOSKELETON, CYTOPLASM, EUKARYOTIC, ACTIN, CELL CRAWLING, AMOEBOID MVMT, CELL SHAPE, MOLECULAR MOTORS, MYOSIN, |