Oncogenes and tumor suppressor pairs Flashcards
PDGF (PDGFB) function
Growth factor. secreted by activated platlets and macrophages. Induces vascular remodeling, smooth muscle cell prolif. Stimulates fibroblast growth for collagen synthesis
Mutation in PDGF
Astrocytoma
FGF function
Stimulate angiogenesis
EGF function
stimulates cell growth via tyrosine kinases (EGFR/ErbB1)
TGFBeta function
Angiogenesis, fibrosis
Metalloproteinases function
tissue remodeling
VEGF function
stimulate angiogenesis
ALK disease
oncogene receptor tyrosine kinase, lung adenocarcinoma
BCR-ABL disease
oncogene tyrosine kinase, CML (9;22), ALL
BCL-2 disease
oncogene antiapoptoic molecule (inhibits apoptosis, gets too stable follic and diffuse large bell lymphoma
BRAF disease
oncogene serine/threnonine kinase: melanoma, non hodgkin lymphoma, papillary thyroid carcinoma
C-Kit disease
oncogene cytokine receptor, GI stromal tumor
c-MYC disease
oncogene trnascription factor, nuclear regulator, burkitt lymphoma t(8:14)
HER2/neu (cerbb2) disease
oncogene receptor tyrosine kinase breast and gastric carcinomas
Trastuzumab
tx for HER2neu cancers
JAK2 disease
oncogene tyrosine kinase; CML
KRAS disease
oncogene GTPase; colon cancer, lung cancer, pancreatic cancer
MYCL1 disease
oncogene transcription factor, lung tumor
MYCN disease
oncogene trnascirption factor, neuroblastoma
RET disease
oncogene receptor tyrosine kinase (growth factor receptor), neural growth factor, MEN2A, MEN2B, medullary thyroid cancer
TSC1/TSC2 disease
tumor suppressor TSC1: hamartin protein, TSC2: tuberin protein, Tuberous sclerosis
VHL func and disease
tumor suppressor inhibits hypoxia inducible fator 1a von hippel lindau disease
WT1 disease
tumor suppressor Wilms tumor (nephroblastoma) transcription factor regulating urogenital development
NF1 diseasse
Neurofibromin (Ras GTPase activating protein) tumor suppressor NF1
NF2 disesase
tumor suppressor Merlin (Schwannomin protein) NF2
DCC
tumor suppressor Deleted In Colon Cancer (DCC) Colon Cancer
DPC4/SMAD4
tumor suppressor Deleted in Pancreatic Cancer (DPC) Pancreatic cancer
APC
tumor suppressor negative regulator of beta catenin, WNT pathway Colorectal cancer (FAP assoc)
p53
Tumor suppressor, regulate cell cycle growth between G1 and S (upregulates BAX; disrupts Bcl2->cytochrome c leakage and destruciton) Start with 1 mutation in Li-Fraumeni syndrome present in over 50% of cancers
Rb
tumor suppressor, regulate G1 to S; holds E2F transcription factor, needed to progress to S phase E2F is released when RB is phosphorylated by clini D/CDK4 complex Mutation? free E2F and progression Sporadic: unilateral retionblastoma Rb disease? Retinoblastoma, osteosarcoma, often bilateral
CCND1 (cyclin D1)
cyclin, important in phoshporylating Rb to release E2F, Mantle Cell lymphoma t(11;14) oncogene
CDK4
oncogene cyclin dependent kinase, important in phoshporylating Rb to release EBF Melanoma
Liver fluke, clonorchis sinensis
Cholangiocarcoma
Schistoma Haematobium
bladder cancer (Squamous)
Psamomma bofdies
papillary carcinoma thyroid, serous papillary ovarian, meningioma, malignant mesothelioma
alk phos tumor marker
metastes to obne or liver, paget disease of obne, seminoma
AFP tumor marker
HCC< hepatoblastoma, yolk sac tumor, mixed germ cell tumor (dont forget in preg high is neural tube defect or abd wall, low is down syndrome)
Beta hcgtumor
hydratiform moles, choriocarcinomas, testicular cancer, mixed germ cell tumor
CA 15-3 CA27/29 tumor
Breast Cancer
CA19-9 tumor
pancreatic cancer
CA125 tumor
ovarian cancer
Calcitonin tumor
medullary thyroid carcinoma (including men2a and men2b)
CEA tumor
major assoc with colorectal and pancreatic, minor with gastric, breast, medullary
chromogranin tumor
neuroendocrine
PSA tumor
prostate cance,r but can be raised in BPH and prostatitis
GFAP stain
neuroglia
Neurofilament stain
neurons
keratin stain
epithelium
vimetin stain
mesenchyme
desmin stain
muscle
ER stain
breast epithelium
thyroglobulin stain
thyroid follic cells
chromogranin stain
neuroendocrine cells (eg small cell lung, carcinooid tumor)
S-100 stain
melanoma, schwannoma, langerhans cell histocytosis
P-glycoprotein function
MDR1 (multidrug reisstant protein 1), pumps out toxins like chemotherapeutic agents, bad news
What mediates cachexia
TNFalpha, IFNgamma, IL1, IL6
hematogenous cancers
Four Carcinomas Route Hematogenous Follic Thyroid,Chorio carcinoma, renal cell, hepatocell
Blastic (sclerotic) mets, lytic mets, mixed mets
lytic: lung, multiple melanoma (technically a primary), thyroid, kidney (again mets more common) mixed: breast blast: prostate
VEGF monoclonal antibody, use, side effects
Bevacizumab Solid tumors (colorectal, renal) Hemorrhag,e blood clots, impaired wound healing
EGFR tyrosine kinase inhibitior uses, side effects
Erlotinib Non-small cell lung cancer rash
EGFR monoclonal antibody uses, side effects
Cetuximab Stage IV colorectal (KRAS), head and neck cancer Rash, LFTs, diarrhea
Tyrosine kianse inhibitor of BCR-ABL, c-kit, uses, side effects
Imatinib CML (bcr-abl, 9;22), GI stromal (c-kit) Fluid retention
monoclonal antibody CP20, uses, side effects
Rituximab Nonhodgkin lymphoma, CLL, ITP, RA risk of progressive multifocal leukoencephalopathy (JC virus?)
Proteasome inhibitors ,arrest at G2-M phase and apoptosis, uses, side effects
Bortezomib, carfilzomib multiple myeloma, mantle cell lymphoma periph neuropathy, VZV reactivaiton
SERMs uses, side effects
tamoxifene, raloxifene breast cancer tx (Tamoxifen only) osteoperosis (ramoxifene only) breast cancer prevention ( I reckon both) increased irsk of endometrial cancer with tamoxifen, not the case for raloxifen (antagonist at both) increased risk of thromboletic events iwth both
Her2 monoclonal antibody (Tyrosine kinase receptor)
Trastuzumab (herceptin) her2+ breast cancer, gastric cancer Cardiotoxicity
BRAF oncogene inhibitior
Vemurafenib metastatic melanoma
What is tumor lysis syndrome
oncologic emergency due to massive tumor cell lysis (usually lymphoma/leukemia) release K+, PO4-> hyperkalemia, hyperphosphatemia get hypocalcemia from the hyperphosphatemia Nucleic acid breakdown give you hyperurecemia-> kidney injury tx with hydration, allopurinol, rasburicase (basically breaks down uric acid)
Recombinant uricase that catalyzes metabolism of uric acid to allantoin
Rasburicase, prevnetion and tx of tumor lysis syndrome
monoclonal antibody against RANKL use, name
Denosumab; osteoperosis
Growth factor. secreted by activated platlets and macrophages. Induces vascular remodeling, smooth muscle cell prolif. Stimulates fibroblast growth for collagen synthesis
PDGF (PDGFB) function
Astrocytoma
Mutation in PDGF
Stimulate angiogenesis
FGF function
stimulates cell growth via tyrosine kinases (EGFR/ErbB1)
EGF function
Angiogenesis, fibrosis
TGFBeta function
tissue remodeling
Metalloproteinases function
stimulate angiogenesis
VEGF function
oncogene receptor tyrosine kinase, lung adenocarcinoma
ALK disease
oncogene tyrosine kinase, CML (9;22), ALL
BCR-ABL disease
oncogene antiapoptoic molecule (inhibits apoptosis, gets too stable follic and diffuse large bell lymphoma
BCL-2 disease
oncogene serine/threnonine kinase: melanoma, non hodgkin lymphoma, papillary thyroid carcinoma
BRAF disease
oncogene cytokine receptor, GI stromal tumor
C-Kit disease
oncogene trnascription factor, nuclear regulator, burkitt lymphoma t(8:14)
c-MYC disease
oncogene receptor tyrosine kinase breast and gastric carcinomas
HER2/neu (cerbb2) disease
tx for HER2neu cancers
Trastuzumab
oncogene tyrosine kinase; CML
JAK2 disease
oncogene GTPase; colon cancer, lung cancer, pancreatic cancer
KRAS disease
oncogene transcription factor, lung tumor
MYCL1 disease
oncogene trnascirption factor, neuroblastoma
MYCN disease
oncogene receptor tyrosine kinase (growth factor receptor), neural growth factor, MEN2A, MEN2B, medullary thyroid cancer
RET disease
tumor suppressor TSC1: hamartin protein, TSC2: tuberin protein, Tuberous sclerosis
TSC1/TSC2 disease
tumor suppressor inhibits hypoxia inducible fator 1a von hippel lindau disease
VHL func and disease
tumor suppressor Wilms tumor (nephroblastoma) transcription factor regulating urogenital development
WT1 disease
Neurofibromin (Ras GTPase activating protein) tumor suppressor NF1
NF1 diseasse
tumor suppressor Merlin (Schwannomin protein) NF2
NF2 disesase
tumor suppressor Deleted In Colon Cancer (DCC) Colon Cancer
DCC
tumor suppressor Deleted in Pancreatic Cancer (DPC) Pancreatic cancer
DPC4/SMAD4
tumor suppressor negative regulator of beta catenin, WNT pathway Colorectal cancer (FAP assoc)
APC
Tumor suppressor, regulate cell cycle growth between G1 and S (upregulates BAX; disrupts Bcl2->cytochrome c leakage and destruciton) Start with 1 mutation in Li-Fraumeni syndrome present in over 50% of cancers
p53
tumor suppressor, regulate G1 to S; holds E2F transcription factor, needed to progress to S phase E2F is released when RB is phosphorylated by clini D/CDK4 complex Mutation? free E2F and progression Sporadic: unilateral retionblastoma Rb disease? Retinoblastoma, osteosarcoma, often bilateral
Rb
cyclin, important in phoshporylating Rb to release E2F, Mantle Cell lymphoma t(11;14) oncogene
CCND1 (cyclin D1)
oncogene cyclin dependent kinase, important in phoshporylating Rb to release EBF Melanoma
CDK4
Cholangiocarcoma
Liver fluke, clonorchis sinensis
bladder cancer (Squamous)
Schistoma Haematobium
papillary carcinoma thyroid, serous papillary ovarian, meningioma, malignant mesothelioma
Psamomma bofdies
metastes to obne or liver, paget disease of obne, seminoma
alk phos tumor marker
HCC< hepatoblastoma, yolk sac tumor, mixed germ cell tumor (dont forget in preg high is neural tube defect or abd wall, low is down syndrome)
AFP tumor marker
hydratiform moles, choriocarcinomas, testicular cancer, mixed germ cell tumor
Beta hcgtumor
Breast Cancer
CA 15-3 CA27/29 tumor
pancreatic cancer
CA19-9 tumor
ovarian cancer
CA125 tumor
medullary thyroid carcinoma (including men2a and men2b)
Calcitonin tumor
major assoc with colorectal and pancreatic, minor with gastric, breast, medullary
CEA tumor
neuroendocrine
chromogranin tumor
prostate cance,r but can be raised in BPH and prostatitis
PSA tumor
neuroglia
GFAP stain
neurons
Neurofilament stain
epithelium
keratin stain
mesenchyme
vimetin stain
muscle
desmin stain
breast epithelium
ER stain
thyroid follic cells
thyroglobulin stain
neuroendocrine cells (eg small cell lung, carcinooid tumor)
chromogranin stain
melanoma, schwannoma, langerhans cell histocytosis
S-100 stain
MDR1 (multidrug reisstant protein 1), pumps out toxins like chemotherapeutic agents, bad news
P-glycoprotein function
TNFalpha, IFNgamma, IL1, IL6
What mediates cachexia
Four Carcinomas Route Hematogenous Follic Thyroid,Chorio carcinoma, renal cell, hepatocell
hematogenous cancers
lytic: lung, multiple melanoma (technically a primary), thyroid, kidney (again mets more common) mixed: breast blast: prostate
Blastic (sclerotic) mets, lytic mets, mixed mets
Bevacizumab Solid tumors (colorectal, renal) Hemorrhag,e blood clots, impaired wound healing
VEGF monoclonal antibody, use, side effects
Erlotinib Non-small cell lung cancer rash
EGFR tyrosine kinase inhibitior uses, side effects
Cetuximab Stage IV colorectal (KRAS), head and neck cancer Rash, LFTs, diarrhea
EGFR monoclonal antibody uses, side effects
Imatinib CML (bcr-abl, 9;22), GI stromal (c-kit) Fluid retention
Tyrosine kianse inhibitor of BCR-ABL, c-kit, uses, side effects
Rituximab Nonhodgkin lymphoma, CLL, ITP, RA risk of progressive multifocal leukoencephalopathy (JC virus?)
monoclonal antibody CP20, uses, side effects
Bortezomib, carfilzomib multiple myeloma, mantle cell lymphoma periph neuropathy, VZV reactivaiton
Proteasome inhibitors ,arrest at G2-M phase and apoptosis, uses, side effects
tamoxifene, raloxifene breast cancer tx (Tamoxifen only) osteoperosis (ramoxifene only) breast cancer prevention ( I reckon both) increased irsk of endometrial cancer with tamoxifen, not the case for raloxifen (antagonist at both) increased risk of thromboletic events iwth both
SERMs uses, side effects
Trastuzumab (herceptin) her2+ breast cancer, gastric cancer Cardiotoxicity
Her2 monoclonal antibody (Tyrosine kinase receptor)
Vemurafenib metastatic melanoma
BRAF oncogene inhibitior
oncologic emergency due to massive tumor cell lysis (usually lymphoma/leukemia) release K+, PO4-> hyperkalemia, hyperphosphatemia get hypocalcemia from the hyperphosphatemia Nucleic acid breakdown give you hyperurecemia-> kidney injury tx with hydration, allopurinol, rasburicase (basically breaks down uric acid)
What is tumor lysis syndrome
Rasburicase, prevnetion and tx of tumor lysis syndrome
Recombinant uricase that catalyzes metabolism of uric acid to allantoin
Denosumab; osteoperosis
monoclonal antibody against RANKL use, name