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Heme/Onc Exam 1 Proteins
Proteins, Genes, and Compounds for Heme/Onc exam 1
111
Medical
Professional
08/27/2011

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Term
MT1-MMP
Definition
degrades extracellular matrix
Term
VEGF
Definition
increases vascular permeability
Term
Von Hippel-Lindau (HPL) E3 Ligase
Definition
ubiquitylates HIF-1a for proteasomal degredation
Term
HIF-1a
Definition
trimerizes with HIF-B/p300 CBP to transcribe VEGF/EPO/PDGF-B/TGF-a
Term
HIF-B/p300 CBP
Definition
trimerizes with HIF-1a to transcribe VEGF/EPO
Term
VEGR1
Definition
increases vessel permeability, high affinity for VEGF-A/B, low tyrosine kinase activity, autocrine VEGF receptor, intracrine for cell survival
Term
VEGF-A/B
Definition
high affinity binding for VEGFR1
Term
VEGFR2
Definition
endothelial migration/proliferation/survival/permeability, low affinity for VEGF-A/C/D, high tyrosine kinase activity, not increased in hypoxia, controlled by Notch, neuropillin co-receptors
Term
Neuropilins
Definition
co-receptors with VEGFR2
Term
VEGF-A/C/D
Definition
low affinity for VEGFR2
Term
VEGFR3
Definition
mediates lymphangiogenesis and tumor angiogenesis, binds VEGF-C/D, upregulated by Notch disruption, highly expressed in sprout cells
Term
VEGF-C/D
Definition
bind VEGFR3
Term
cRAS
Definition
upstream of MAPK, constitutive form in cancer cannot hydrolyze GTP to inactive GDP form
Term
p53
Definition
stops the cell cycle, initiates DNA repair, induces apoptosis
Term
RB
Definition
phosphorylated to pass from G1 to S phase
Term
Bcl-2
Definition
translocated t(14;18) in follicular lymphoma
Term
APC
Definition
mutation at 5q21 causes colon cancer in teens, wild-type p53 keeps polyps benign, mutant p53 allows carcinoma
Term
mTOR
Definition
upstream activator of HIF-1a
Term
PTEN
Definition
inhibits mTOR pathway
Term
DLL-4/Jagged-1
Definition
expressed on tip cell, induces Notch internalization and processing to NICD
Term
Notch
Definition
expressed on stalk cell, intreacts with DLL-4/Jagged-1, processed to NICD
Term
NICD
Definition
processed form of Notch, transcripton factor for Hey
Term
Hey
Definition
represses transcription of VEGFR2 and Hey
Term
EPO
Definition
stimulates erythrogenesis and mobilizes erythroid progenitor cells (EPCs), signals MkEP to erythrocyte precursors
Term
B-raf
Definition
principle effector of K-ras
Term
K-ras
Definition
common mutation in colon cancer
Term
CK7/20, CDX2
Definition
colorectal cancer markers
Term
TTF1
Definition
lung cancer marker
Term
BRCA1
Definition
mutated in breast cancer
Term
ER/PR/Her2
Definition
indicators of response to breast cancer therapy
Term
ErbB2
Definition
downstream of HER2
Term
HER2
Definition
17q12 amplification detected by FISH in breast cancer
Term
p185 neu
Definition
protein product detected by IHC in breast cancer
Term
mu heavy chain
Definition
on chromosome 14
Term
kappa light chain
Definition
on chromosome 2
Term
lambda light chain
Definition
on chromosome 22
Term
CD3
Definition
marker for Tcells
Term
CD20
Definition
marker for Bcells
Term
p145
Definition
normal form of c-abl
Term
p210
Definition
chimeric form of c-abl, increased tyrosine kinase activity
Term
CD34
Definition
stem cell marker
Term
c-kit
Definition
stem cell marker
Term
SCF, IL-3, FL, EPO
Definition
erythropoietic factors
Term
SCF, IL-3, FL, G-CSF, GM-CSF
Definition
granulopoietic factors
Term
SCF, FL, TPO
Definition
megakaryopoietic factors
Term
CD49f
Definition
HSC marker, loss causes differentiation to multipotent progenitors
Term
TPO
Definition
early signals multipotent precursor to myeloid pathway, later signals MKEP to megakaryocyte precursors
Term
IL-7
Definition
signals multipotent precursors to lymphoid pathway
Term
IL-5
Definition
signals granulocyte precursors to eosinophil precursors
Term
IL-15
Definition
signals Tcell/NKcell precursors to NK cell proliferation
Term
SCF
Definition
signals CMP to MkEP early, later signals granulocyte precurosrs to basophils/mast cells
Term
GM-CSF
Definition
signals granulcytic macrophage precursor proliferation, activates macrophages
Term
G-CSF
Definition
signals neutrophil precurosr proliferation, activates neutrophils
Term
M-CSF
Definition
signals monocyte precursor proliferation
Term
HGF
Definition
activates survival and proliferation via Akt and Ras
Term
PU,1
Definition
primary transcription factor for GMPs (monocyte and neutrophil differentiation)
Term
GATA-1
Definition
primary transcription factor of EMPS (erythrocyte and megakaryocyte differentiation) and CMPs (eosinophil differentiation), impairs PU,1 DNA transactivation/recruits deacetylase
Term
C/EBP
Definition
transcription factor of GMP (neutrophils) and CMP (eosinophils)
Term
ICSBP
Definition
transcription factor for GMP (monocytes)
Term
Friend of GATA (FOG)
Definition
transcription factor for CMP to EMP
Term
GATA-2
Definition
transcription factor for EMP (megakaryocytes)
Term
PU,1/GATA-1
Definition
transcription factors for HSCs to CMP
Term
IL-1, TNFa, IFN-g
Definition
inhibit EPO production in kidneys
Term
RunX1
Definition
transcription factor for CMP to GMP
Term
CBF-B
Definition
binds RUNX1
Term
RUNX2/CBF-B
Definition
translocations repress hematopoiesis, common in myelogenous leukemia
Term
Fe-reductase
Definition
reduces Fe3+ to Fe2+
Term
DMT1
Definition
takes Fe2+ into the cell
Term
ferroportin
Definition
removes Fe2+ from cell, inhibited by hepcidin, stored in macrophage vessicles
Term
Fe-oxidase
Definition
oxidizes Fe2+ to Fe3+
Term
Transferrin
Definition
shuttles 2 iron molecules in blood
Term
TFR1
Definition
binds Transferrin, unloads Fe in lysosomes
Term
porphobilinogen deaminase
Definition
defected in acute intermittent porphyria
Term
uroporphyrinogen decarboxylase
Definition
defective in porphyria cutanea tarda
Term
hepcidin
Definition
actively binds ferroportin for internalization, iron not released from gut cells or macrophages, defective in hereditary hemochromatosis, induced by IL-6 in acute phase response
Term
IL-6
Definition
induces hepcidin and other acute phase proteins, lowers serum Fe
Term
myglobin
Definition
stores O2 in muscle, primarily a-helices
Term
a2B2
Definition
adult hemoglobin, HgA
Term
a2g2
Definition
fetal hemoglobin, binds O2 more tightly, HgF
Term
a2d2
Definition
adult minor hemoglobin, HgA2
Term
2,3-bisphosphoglycerate (DPG)
Definition
irreversibly binds B chains of hemoglobin in de-oxy form
Term
d-ala synthase
Definition
initial step of heme synthesis, inhibited by heme (feedback inhibition)
Term
Cytochrom P450
Definition
heme group in liver
Term
d-ALA dehydrase/ferrochelatase
Definition
inhibited by lead
Term
ferritin
Definition
stores Fe3+ in liver
Term
glutathione-S-transferase
Definition
neutralizes drugs with glutathione
Term
GLUT2
Definition
responsible for streptozocin uptake
Term
Topoisomerase II
Definition
important in G2 to separate chromosomes for DNA synthesis
Term
bleomycin hydrolase
Definition
low expression in skin and lungs
Term
dihydrofolate reductase
Definition
inhibited by methotrexate
Term
thymidylate synthase
Definition
inhibited by 5-FU
Term
intrinsic factor
Definition
produced in stomach by parietal cells, allows B12 absorption in terminal ileum
Term
ferrochelatase
Definition
adds Fe2+ to protoporphyrin IX, inhibited by Pb2+
Term
HbS
Definition
due to B6 Glu-Val mutation
Term
HbC
Definition
due to B6 Glu-Lys mutation
Term
HbE
Definition
due to B26 Glu-Lys mutation
Term
spectrin
Definition
binds ankyrin/band 3, deficient in hereditary spherocytosis
Term
G6PD
Definition
reduces NADP, regenerates glutathione to scavenge ROS
Term
CD55
Definition
decay-accelerating factor, bound to PIG
Term
CD59
Definition
membrane inhibitor of active lysis, limits C3 convertase, bound to PIG
Term
C8-binding protein
Definition
bound to PIG
Term
CD59, CD55, C8-binding protein
Definition
bound to PIG, deficient in paroxysmal nocturnal hemoglobinuria
Term
P-selectin
Definition
binds sialyl Lewis X/PSGL, for leukocyte rolling
Term
E-selectin
Definition
binds sialyl lewis X, for rolling and adhesion to activated ECs
Term
ICAM-1
Definition
binds CD11/CD18, for adhesion/arrest/transmigration
Term
VCAM-1
Definition
binds a4B1/a4B7, for adhesion of eosinophils/monocytes/lymphocytes
Term
GLycam-1
Definition
binds L-selectin, for lymphocyte homing
Term
CD31
Definition
binds CD31, for leukocyte migration in endothelium
Term
phagocyte oxidase
Definition
contributes to oxidative burst, deficient in chronic granulomatous disease
Term
IFN-g
Definition
directs macrophages to inflammation and tissue injury
Term
IL-4
Definition
directs macrophages to repair damaged tissues
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