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Pharmacology final
Madar part
213
Medical
Undergraduate 4
05/05/2009

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Term
features of a virus:
Definition
DNA or RNA, protein coat, envelope, spikes, infect specific cells
Term
How is host range for a virus determined:
Definition
specific host attachment sites and cellular factors
Term
Steps of viral multiplication
Definition
attachment, penetration, uncoating, biosynthesis, maturation, release
Term
attachment
Definition
viruses attaches to cell membrane
Term
penetration
Definition
occurs through endocytosis of fusion
Term
uncoating
Definition
due to viral or host enzymes
Term
biosynthesis:
Definition
production of nucleic acid and proteins
Term
maturation:
Definition
nucleic acid and capsid proteins assemble
Term
release:
Definition
by budding for enveloped viruses or rupture
Term
cancer develops when __________ transform normal cells into cancerous cells.
Definition
activated oncogenes
Term
characteristics of cancerous cells:
Definition
increased growth, loss of contact inhibition, tumor specific transplant and T antigens.
Term
latent viral infections
Definition
Virus remains in asymptomatic host cell for long periods (ex. cold sores, shingles)
Term
persistent viral infections:
Definition
Disease processes occurs over a long period, generally fatal (like measles)
Term
viruses are _____________ parasites
Definition
obligate intracellular
Term
Acyclovir is a nucleoside analog similar to_______.
Definition
guanosine but contains acyclic sugar
Term
AZT is a nucleoside analog similar to _______.
Definition
thymidine, but contains an azide group
Term
Acyclovir is a prodrug which treats:
Definition
HSV and VZV and must be activated by 3 kinase activities in teh cell
Term
MOA of acyclovir:
Definition
acyclic guanine derivative that inhibits viral DNA synthesis
Term
T/F Acyclovir has no effect on host DNA replication because the first kinase activity is not found in an noninfected cell.
Definition
TRUE! this is why acyclovir is so very safe and effective agains HSV and VZV
Term
MOA of Azidothymidine (AZT)
Definition
Dideoxy analog of thymidine that inhibits viral DNA synthesis; competes with thymidine monophosphate
Term
Examples of protease inhibitors:
Definition
saquinavir, ritonavi, indiravir
Term
protease inhibitor work by:
Definition
inhibiting HIV protease, they are unlceavable mimics of polyprotein products of Gag-pol gene
Term
MOA of amprenavir
Definition
protease inhibitor, Inhibits the HIV-1 aspartic protease enzyme; induces CYP3A4
Term
aspartic protease enzyme is involved in the posttranslational processing of gag and gag-pol gene products into _________ and ______________.
Definition
structural proteins; replication enzymes
Term
T/F The oral solution of Amprenavir, which contains propylene glycol is contraindicated in pregnant women & young children.
Definition
true
Term
Atazanavir MOA
Definition
protease inhibitor; Inhibits the HIV-1 aspartic protease enzyme;involved in the posttranslational processing of gag and gag-pol gene products
Term
Atazanavir requires ____________ for absorption.
Definition
an acidic medium
Term
Examples of immunomodulators:
Definition
standard interferons (Roferon and Intron-A)and pegylated interferons (pegasys)
Term
Interferon alfa-2b (Intron-A) is uses in cases of allergy to _________.
Definition
PEGylation (attachment of polyethylene glycol)
Term
MOA of interferon:
Definition
suppresses cell proliferation; Causes an increase in phagocytic activity of macrophages and natural killer (NK) cells; Increases maturation of cytotoxic T-lymphocytes
Term
Reasons for pegylation
Definition
Decreased elimination from the body
Increased half-life
Less frequent dosing
Term
Lamivudine (Epivir-HBV) MOA:
Definition
A reverse transcriptase inhibitor; is phosphorylated to LAM-TP which competitvely inhibits HBV DNA polymerase
Term
Lamivudine is a ________analog.
Definition
zalcitabine
Term
T/F after discontinuation of lamivudine treatment, hepatitis may be exacerbatied.
Definition
true
Term
MOA of Emtricitabine:
Definition
Inhibits viral reverse transcriptase to act agains HIV-1 and HBV. 4-10x greater activity than lamivudine.
Term
Telbivudine (Tyzeka) MOA:
Definition
PRODRUG; Inhibits HBV DNA polymerase; phosphorylated by cellular kinase to active triphosphave form; low resistance with log-term use!
Term
Adefovir (Hepsera)
Definition
PRODRUG to tx hepB; analog of adenosine monophosphate; Inhibits DNA replication by replaces deoxyadenosine monophosphate in hepatitis B virus DNA, leading to a DNA chain termination
Term
Adefovir diphosphate replaces _______ in hepatitis B virus DNA, leading to a DNA chain termination.
Definition
deoxyadenosine monophosphate
Term
Entecavir (Baraclude) is a ___________ analog.
Definition
Guanosine nucleoside
Term
MOA of Entecavir (Baraclude):
Definition
Competes with deoxyguanosine triphosphate;
Blocks replication; treats HepB
Term
T/F Entecavir (Baraclude) treats HIV.
Definition
FALSE! tx HepB
Term
Pleconaril is an _________ virus agent
Definition
anti-picorna
Term
________ and ________ are active against influenza A viruses
Definition
Amantadine and rimantadine
Term
The target of Amantadine and rimantadine is___________.
Definition
the matrix protein M2; Drug-treated cells are unable to lower the pH of the endosomal compartment (a function normally controlled by the M2 gene product), a process which is essential to induce conformational changes in the protein to permit membrane fusion.
Term
Relenza and Tamiflu work somewhere in these steps of virus growth:
Definition
assembly/maturation/release
Term
Examples of NRTIs (Nucleoside-Analog Reverse Transcriptase Inhibitors):
Definition
Zidovudine, didanosine, zalcitabine, stavudine
Term
MOA of Non-Nucleoside Reverse Transcriptase Inhibitors (NNRTIs):
Definition
are not incorporated into viral DNA
they inhibit HIV replication directly by binding non-competitively to reverse transcriptase.
Term
examples of NNRTIs
Definition
Delavirdine (Rescriptor)
Nevirapine (Viramune)
Term
protease inhibitors used to treat HIV-1
Definition
sasquinavir (invirase)
Ritonavir (Norvir)
Indinavir (Crixivan)
Nelfinavir (Viracept)
Term
family of the Flu viruses:
Definition
Orthomyxoviridae
Term
subclassifications of Flu A:
Definition
Hemagglutinin (H) sub-type
Neuraminidase (N) sub-type
Term
This year's Flu viruses
Definition
H1N1
H3N2

Note: if you see a last number that's a big number, it's either swine flu or some strains of bird flu.
Term
antigen drift vs antigen shift in Flu virus:
Definition
drift is WITHIN HN sub-type
shift is BETWEEN
Term
antiviral Neuraminidase inhibitor approved for flu
Definition
oseltamivir; zanamivir
Term
M2 ion channel activity inhibitor to tx flu:
Definition
amantadine; rimantidine
Term
potential serious AEs of Amantadine
Definition
teratogen in animals; impairs fertility
Term
T/F Rimantidine is embryotoxic/produces maternal toxicity in high doses
Definition
true
Term
Zanamivir (relinza) MOA and use
Definition
Blocks active site of all neuroaminidase (NA) proteins. Used to prevent flu symptoms and is a spray
Term
Antimicrobial Drugs That Affect the Bacterial Cell Wall
Definition
penicillins and cephalosporins
Term
Drugs That Inhibit Nucleic Acid Synthesis
Definition
chloroquine and quinolones
Term
Drugs That Block Protein Synthesis
Definition
Aminoglycosides (streptomycin, gentamycin) insert on sites on the 30S subunit and cause misreading of mRNA
Term
Antimicrobial Drugs That Disrupt Cell Membrane Function
Definition
polymyxins
Term
Drugs that Affect Metabolic Pathways
Definition
Sulfonamides and trimethoprim block enzymes required for tetrahydrofolate synthesis needed for DNA and RNA synthesis
Term
types of protozoal infections
Definition
Malaria
Leishmaniasis
Amebiasis
Giardiasis
Trichomoniasis
Term
MOA of the antiprotazoal Atovaquone
Definition
blocks mitochondrial electron transport, leading to cellular death (treats P. carinii)
Term
MOA of metronidazole:
Definition
Disruption of DNA synthesis as well as nucleic acid synthesis
Term
MOA of the antiprotozoal Pentamidine:
Definition
does everything!
inhibits:DNA/RNA, protein synthesis, glucose metabolism
binds to ribosomes
blocks intracellular AA transport
Term
Example of an amebicide that directly kills the protozoa and is used in intestinal amebiasis
Definition
iodoquinol (Yodoxin, Di-Quinol)
Term
Paromomycin is an amebicide that is also udes to manage this health condition:
Definition
hepatic coma
Term
Types of plasmodium sp.
Definition
P. falciparum
P. vivax
P ovale,
P malariae
Term
malaria is transmitted by:
Definition
mosquito, infected individuals (H to H), blood transfusion, congenitally, infected needles
Term
Symptoms of malaria: are due to release of massive number of _________into circulation.
Definition
merozoites
Term
in malaria, antibodies are against _____ and ________.
Definition
merozoites and schizonts
Term
In Malaria, the activated macrophages promotes the destruction of infected _________ and antibody coated merozoites.
Definition
erythrocytes
Term
T/F Cell mediated immunity may help in the elimination of infected erythrocytes.
Definition
True
Term
what mosquito carries malaria?
Definition
anopheline mosquito
Term
examples of quinine derivative txs of malaria:
Definition
Quinine sulphate
Chloroquine
Mefloquine
Primaquine
Term
The principal antimalarial drug in much of the world is:
Definition
chloroquine
Term
chloroquine cannot treat this strain of malaria:
Definition
P falciparum
Term
MOA of chloroquine (an antimalarial)
Definition
acts by concentrating in parasite food vacuoles, preventing the polymerization of the hemoglobin breakdown product, heme, into hemozoin and thus eliciting parasite toxicity due to the buildup of free heme
Term
This antimalarial that is closely related to chloroquine is cheap, not too toxic, and effective against chloroquine-resistant P falciparum:
Definition
amodiaquine
Term
1st line therapies for falciparum malaria
Definition
Quinine & Quinidine
Term
MOA of quinine and quinidine:
Definition
schizonticide
Term
antimalarial that is not active against hepatic stages or gametocytes and works really well on falciparum (not approved tx) and vivax
Definition
mefloquine
Term
drug of choice for the eradication of dormant liver forms and dormant hypnozoite stages of P vivax and P ovale and is active agains hepatic stages of ALL malaria parasites
Definition
primaquine
Term
T/F inhibitors of folate synthesis are used for tx and prevention of malaria
Definition
true
Term
T/F Pyrimethamine and proguanil act slowly against erythrocytic forms of susceptible strains of all four human malaria species
Definition
true
Term
Pyrimethamine and proguanil selectively inhibit ________________, a key enzyme in the pathway for synthesis of folate.
Definition
plasmodial dihydrofolate reductase
Term
Sulfonamides and sulfones inhibit this enzyme in the folate pathway and are used to tx malaria:
Definition
dihydropteroate synthase
Term
Clinical uses of inhibitors of folate synthase:
Definition
Chemoprophylaxis:
Treatment of chloroquine-resistant falciparum malaria
Presumptive treatment of falciparum malaria
Toxoplasmosis
Pneumocystosis
Term
Tetracycline and doxycycline are active against _________ of all human malaria parasites.
Definition
erythrocytic schizonts
Term
this drug can be used in those for whom doxycycline is not recommended, such as children and pregnant women to tx erythrocytic schizonts of malaria:
Definition
clindamycin
Term
this phenanthrene-methanol is effective against erythrocytic stages of all four human malaria species but not active against hepatic stages or gametocytes and is related to quinine
Definition
halofantrine
Term
a phenanthrene-menthanol for malaria tx that causes irregular absorption and cardiac toxicity
Definition
holofantrine
Term
a sesquiterpene lactone endoperoxide that is a very rapidly acting blood schizonticides against all human malaria parasites.
Definition
artemisinin
Term
MOA of artemisinin antimalarial activity
Definition
the production of free radicals that follows the iron-catalyzed cleavage of the artemisinin endoperoxide bridge in the parasite food vacuole
Term
in addition to antimalaria activity, chloroquine is used for:
Definition
RA and lupus
Term
what happens in the S phase of growth:
Definition
DNA synthesis
Term
what happens in the G2 phase:
Definition
synthesis of components of mitosis
Term
__________ are capable of secreting and organizing collagenous extracellular matrix
Definition
fibroblasts
Term
One of the main characteristics of cancer cells is the loss to a varying degree of the capacity to __________
Definition
differentiate
Term
Poorly differentiated cancers ______ _____and have a poor prognosis
Definition
multiply fast
Term
invasiveness
Definition
Loss of spatial relationships with respect to neighboring cells
Term
positive factors of metastasis:
Definition
adhesion receptors,
motility cytokines,
proteases
Term
negative factors of metastasis
Definition
Metastasis suppressor genes
Protease inhibitors
Term
stages of uncontrolled proliferation:
Definition
initiation, promotion, spread
Term
during this stage of cancer development, the cell's genetic material primes the cell to become cancerous.
Definition
initiation
Term
things that encourage promote cancer cells
Definition
ionizing radiation; barbitruates; environmental factors
Term
types of cancers:
Definition
Leukemias and lymphomas, carcinomas, sarcomas
Term
cancers of the blood and blood-forming tissues and cells of the immune system
Definition
leukemia and lymphoma
Term
cancers of epithelial cells, which are cells that cover the surface of the body, produce hormones, and make up glands
Definition
carcinomas
Term
cancers of mesodermal cells, which are the cells that form muscles and connective tissue
Definition
sarcomas
Term
T/F people with Down syndrome, who have three instead of the usual two copies of chromosome 21, have a 12 to 20 times higher risk of developing acute leukemia
Definition
true
Term
People who are ________ have a higher risk of cancer of the breast, lining of the uterus (endometrium), colon, kidneys, and esophagus.
Definition
obese
Term
viruses that cause cancer:
Definition
HPV, HepB, HepC, retroviruses
Term
MDR-1 gene is involved with _________
Definition
drug efflux
Term
Drugs that reverse multidrug resistance:
Definition
quinidine and cyclosporine
Term
MDR increases resistance to natural drug products like:
Definition
anthracyclines and vinca alkaloids
Term
examples of alkylating agents
Definition
nitrogen mustards (cyclophosphamide); ethylenimaines (thiotepa); alkyl sulfonates (busulfan); nitrosoureas (carmustine)
Term
MOA of alkylating agents:
Definition
Alkylate within DNA at the N7 position of guanine which results in miscoding through abnormal pairing with tymine or in depurination
Term
examples of nitrogen mustards:
Definition
Cyclophosphamide
Ifosfamide
Mechlorethamine
Melphalan
Chlorambucil
Term
PRODRUG immunosuppressive agent that must be activated in the liver to form the active aldophosphamide.
Definition
cyclophosphamide, a precursor of an alkylating nitrogen mustard antineoplastic
Term
A necrotizing irritant destructive to mucous membranes that used to be used in chemical warfare and is now used as an antineoplastic in hodgkin's and lymphomas
Definition
mechlorethamine
Term
the _____ form of melphalan is used as an antineoplastic because the other forms are toxic to bone marrow.
Definition
levo isomer
Term
Chlorambucil, a nitrogen mustard, is used for:
Definition
used as antineoplastic for chronic lymphocytic leukemia, Hodgkin's disease, and others.
Term
examples of nitrosureas
Definition
Carmustine
Lomustine
Semustine
Streptozocin
Term
this nitrosourea contains a naturally occurring sugar
Definition
streptozocin
Term
T/F -platins and -carbazines act as alkylating agents
Definition
true
Term
AE of cyclophosphamide/Ifosfamide
Definition
hemorrhagic cystitis
Term
T/F -platins are ototoxic and nephrotoxic
Definition
true
Term
thiotepa tx
Definition
ovarian cancer
Term
busulfan txs:
Definition
chronic myeloid leukemia
Term
nitrosoureas tx:
Definition
brain tumors
Term
streptozocin txs:
Definition
insulin-secreting islet cells and carcinoma fo the pancreas
Term
3 types of antimetabolites:
Definition
Folic Acid Analogs (Methotrexate);
Purine Analogs (Mercaptoguanine);
Pyrimidine Analogs(Fluorouracil)
Term
T/F MTX prevents the formation of THF, causing an intracellular deficiency of folate coenzymes and accumulation of the toxic inhibitory substrate, DHF polyglutamate which ultimately interrupts DNA and RNA synthesis
Definition
true
Term
Pemetrexed txs:
Definition
mesothelioma
Term
pyrimidine analogues that are cytotoxic antimetabolites:
Definition
fluorouracil, cytarabine, gemcitabine, capecitabine
Term
purine analogues that are cytotoxic antimetabolites (purine antagonists):
Definition
thioguanine and mercaptopurine, lfudarabine and cladribine
Term
MOA of fludarabine phosphate
Definition
phosphorylated intracellularly by deoxycytidine kinase to the triphosphate form; inhibits DNA polymerase-alpha and ribonucleotide reductase to INDUCE APOPTOSIS
Term
MOA of cladribine (antineoplastic used to tx lymphomo/leukemia)
Definition
causes DNA strand breaks after being phosphorylated by deoxycytidine kinase and incorporated into DNA
Term
Fluorouracil is a pyrimidine antagonist that works in this phase of cell development:
Definition
S phase
Term
5-fluorouracil MOA
Definition
5-Fluorouracil (5-FU) inhibits thymidylate synthase therefore causing depletion of Thymidylate and overall inhibition of RNA processing
Term
5-FU txs:
Definition
Metastatic carcinomas of the breast and the GI tract; can be used for colon cancer when combined with levamisole
Term
Levamisole combined with______is used to tx colon cancer
Definition
5-FU
Term
MOA of cytarabine, a pyrimidine nucleoside analog:
Definition
accumulation of AraCTP that Inhibits DNA synthesis due to competitive (-) of polymerases and interference of chain elongation
Term
T/F cytarabine induces tumor cell differentiation
Definition
true
Term
T/F AraC is cell-cycle specific agent, it kills cells in the S-phase
Definition
true
Term
cytarabine is used therapeutically to:
Definition
induce remission of acute leukemia, tx leukemia and non-hodgkins
Term
Gemcitabine is ___-phase specific
Definition
S
Term
T/F Gemcitabine is a deoxycytidine antimetabolite that inhibits BOTH DNA replication and repair
Definition
true
Term
gemcitabine txs:
Definition
solid tumors (lung, bladder, breast, ovary, etc)e
Term
examples of plant alkaloids:
Definition
Vinca Alkaloids (Vinblastine);
Podophyllotoxins (Etoposide);
Camptothecins (Topotecan);
Taxanes (Paclitaxel)
Term
MOA of vinca alkaloids (which start with vin)
Definition
Inhibit microtubules (spindle), causing metaphase cell arrest in M phase therefore terminating assembly
Term
vincristin txs
Definition
leukemia
Term
vinblastine txs:
Definition
systemic hodgkins and lymphomas
Term
vinorelbine txs:
Definition
non-small cell lung cancer
Term
Semi-synthetic derivatives of extracts from the root of the mayapple
Definition
podophyllotoxins
Term
Blocks cells in the late S-G2 phase of the cell cycle through inhibition of topoisomerase II
Definition
podophyllotoxins
Term
A podophyllotoxin used to tx prostate cancer
Definition
etoposide
Term
Camptothecins:
Definition
topotec and irinotecan
(thecins end in tecan)
Term
MOA of camptothecins:
Definition
Interfere with the activity of Topoisomerase I
causes DNA damage
Term
T/F irinotecan is a prodrug
Definition
true
Term
txs metastatic ovarian cancer (cisplatin-resistant)
Definition
topotecan
Term
irinotecan txs
Definition
colon and rectal cancer
Term
taxanes have tax in their name, are used for breast cancer (our examples are anyway), and are derived from:
Definition
Western and European Yew
Term
MOA of taxanes:
Definition
Mitotic “spindle poison” through the enhancement of tubulin polymerization
Term
antibiotics for cancer tx include lots that end in mycin or rubicin and work by
Definition
binding to DNA to interfere with cell replication, cause DNA strand scission, or intercalate btw base pairs of new RNA or DNA
Term
MOA of anthracyclines (-rubicins)
Definition
bind to DNA through intercalation and block DNA and RNA synthesis
Term
MOA of dactino,ycin
Definition
Binds to double stranded DNA through intercalation between adjacent guanine-cytosine base pairs to inhibit DNA and RNA synthesis
Term
Dactinomycin txs:
Definition
wilm's tumors, gestational choriocarcinoma
Term
T/F plicamycin binds to DNA through an antibiotic-Mg2+ complex
Definition
true
Term
T/F mitomycin is a bioreductive alkylating agent that eventually is involved wtih cross-linking of DNA
Definition
true
Term
T/F Bleomycin binds to DNA, which results in single and double strand breaks following free radical formation and inhibition of DNA synthesis
Definition
true
Term
bleomycin is cell cycle specific for __ stage
Definition
G2
Term
types of hormonal anticancer agents:
Definition
Estrogen & Androgen Inhibitors
(Tamoxifen); Gonadotropin-Releasing Hormone Agonists
(Leuprolide); Aromatase Inhibitors (Aminogluthethimide)
Term
Anti-estrogens:
Definition
Tamoxifen (SERMs)
Raloxifene (SERMs)
Faslodex
Term
tamoxifen works in _____phase
Definition
G1
Term
flutamide txs
Definition
prostate cancer
Term
Mechanism of Action of Aminogluthethimide
Definition
Inhibits the conversion of cholesterol of pregnenolone
Term
MOA of Anastrozole
Definition
selective nonsteroidal inhibitor of aromatase; used to treat advanced estrogen and progesterone receptor positive breast cancer that is no longer responsive to tamoxifen
Term
T/F Asparaginase is isolated bacterial enzyme that reduces blood glutamine levels and inhibits protein synthesis
Definition
true
Term
hydroxyurea is S-phase specific and inhibits DNA synthesis by
Definition
inhibiting ribonucleotide reductase depletion of deoxynucleoside triphosphate pools
Term
chronic inflammation is dues to:
Definition
lymphocyte responses
Term
Lymphocytes in persistent inflammation have an altered functional status leading to:
Definition
Apoptosis
activation markers
altered functions
Term
LFA-3 activates
Definition
CD2
Term
CD80/86 activates
Definition
CD28
Term
MHC activates
Definition
TCR
Term
CD40 activates
Definition
CD40L
Term
ICAM-1 activates
Definition
LFA1
Term
a diverse group of soluble proteins and peptides which act as humoral regulators at nano- to- picomolar concentrations
Definition
cytokine
Term
Virus-encoded factors influence the activities of cytokines by:
Definition
inhibiting syntehsis and release; interfering with cytokines and their receptors; signal transmission; antagonizing effects of host cytokines
Term
T/F Most chemokines have 4 cysteine residues which form disulphide bonds
Definition
true
Term
T/F Alpha IFN & Beta IFN: Cause cells to produce antiviral proteins that inhibit viral replication
Definition
true
Term
T/F Gamma IFN: Causes neutrophils and macrophages to phagocytize bacteria
Definition
true
Term
drugs affecting T-cell activation:
Definition
Cyclosporin
Tacrolimus
Sirolimus
Term
t/f cyclosporin and tacrtolimus block calcineurin, inhibits T cells activation, inhibits IL-2 production
Definition
true
Term
Antiproliferatives (examples)
Definition
Glucocorticoids
Azathioprine
Cyclophosphamide
Mycophenolate
Term
T/F azathioprine blocks purine synthesis
Definition
true
Term
MOA of Cyclophosphamide
Definition
Alkylates DNA and inhibits cell division (especially in B lymphocytes): may cause hemorrhagic cystits
Term
used for transplants:
Definition
azathioprine (organ rejection)
mycopheolate (renal transplant)
cylcophospamide (bone marrow transplant)
methotrexate (graft vs host disease)
Term
alefacept blocks CD2 on t-lymphocyte
Definition
abatacept blocks CD80/86 on antigen presenting cell
Term
ipilumumab blocks CTLA4 on T cell
Definition
Efalizumab blocks LFA1 on t-lymphocyte
Term
Anti-TNF (tumor necrosis factor) agents
Definition
Etanercept & infliximab
Term
Monoclonal anti-B cell agents
Definition
rituximab
Term
Monoclonal anti-complement agents
Definition
eculizumab
Term
T/F adalimumab blocks tumor necrosis factor (TNF-alpha) but not lymphotoxin (TNF-beta)
Definition
true
Term
T/F abatacepts compromises the extracellular domain of human CTLA4 and a fragment of the Fc domain of human IgG1
Definition
true
Term
Antiproliferatives in RA
Definition
Methotrexate
Leflunomide
Colchicine
Term
T/F Colchicine Inhibits microtubules, mitosis and leukocyte migration
Definition
true
Term
T/F types of immunotherapies include costimulator or suppressor signaling molecules, adoptive transfer of immune cells, antagonist peptides, and oral tolerance
Definition
true
Term
Cyclosporine
inhibit IL-2 gene expression
Definition
Azathioprine
inhibit lymphocyte proliferation
Term
T/F Levamisol is an immune modulator that might enhance immunity by increasing macrophage chemotaxis and t-cell function (used in RA and also an antihelminthic)
Definition
true
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