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Transcript of Virchow’s Hypothesis 1863 - Dr. Falk Pharma Cancers and Chronic Infection • EBV...
![Page 1: Virchow’s Hypothesis 1863 - Dr. Falk Pharma Cancers and Chronic Infection • EBV –nasopharyngeal cancer • H. Pylori –gastric adenocarcinoma –MALT • Clonorchis Sinesis](https://reader030.fdocuments.net/reader030/viewer/2022011800/5ac2f72d7f8b9af91c8b716f/html5/thumbnails/1.jpg)
Virchow’s Hypothesis 1863
“lymphorecticular infiltration” of cancer reflected the origin of cancer at sites of inflammation
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Barrett’s esophagus/Esophageal adenocarcinoma
Gastritis/ Gastric cancerPSC / CholangiocarcinomaViral hepatitis / Hepatocellular cancer
Colitis / Colon cancer
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Gastrointestinal Cancers and Chronic Infection
• EBV–nasopharyngeal cancer
• H. Pylori–gastric adenocarcinoma–MALT
• Clonorchis Sinesis–cholangiocarcinoma
• HPV–anogenital cancer
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A Generalized Scheme of Chronic InflammationA Generalized Scheme of Chronic InflammationA Generalized Scheme of Chronic Inflammation
CP1222559-2CP1222559-2
Physical injuryPhysical injuryNormal
microfloraNormal
microfloraPathogensPathogens
ToxinsToxins PAMPsPAMPs
PRRsPRRs
Host cellapoptosisHost cellapoptosis
Host cellnecrosisHost cellnecrosis Endogenous
ligandsEndogenous
ligands
ChemokinesChemokinesCytokinesCytokines
LymphocytesLymphocytes
Persistent inflammationPersistent inflammation
Anti-inflammatorycontrols
Anti-inflammatorycontrols
Epitheliallayer
Epitheliallayer
Geneticfactors
++ –
Macrophage
Karin, M Cell, 2006Karin, M Cell, 2006
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Hallmarks of Cancer (Intrinsic Genetic Process)
Hallmarks of Cancer Hallmarks of Cancer (Intrinsic Genetic Process)(Intrinsic Genetic Process)
CP1221050-1CP1221050-1
Angiogenesis (VEGF)
Angiogenesis (VEGF)
Uncontrolled self-sufficiency in growth
(oncogenes)
Uncontrolled self-sufficiency in growth
(oncogenes)
Death signals(tumor suppressor genes p53)
Death signals(tumor suppressor genes p53)
Tissue invasionTissue invasion
Limitless replication(? stem cell)
Limitless replication(? stem cell)
Hanoham D: Cell 100:57, 2000Hanoham D: Cell 100:57, 2000
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CP1221050-2CP1221050-2
Angiogenic factorsAngiogenic factorsTissue remodelingMigration, invasionTissue remodelingMigration, invasion
Growth factorsGrowth factors
Inflammatory Cells Inflammatory Cells
Genetic mutationsGenetic mutations
Survival factors
Survival factors
CytokinesCytokinesOxidative
stressOxidative
stress
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Incidence of CholangiocarcinomaIncidence of CholangiocarcinomaC
umul
ativ
e in
cide
nce
ofch
olan
gioc
arci
nom
a (%
)C
umul
ativ
e in
cide
nce
ofch
olan
gioc
arci
nom
a (%
)
Years since PSC diagnosisYears since PSC diagnosisCP1042831-1
0.0
2.5
5.0
7.5
10.0
0 2 4 6
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CP1221050-2CP1221050-2
Angiogenic factorsAngiogenic factorsTissue remodelingMigration, invasionTissue remodelingMigration, invasion
Growth factorsGrowth factors
Inflammatory Cells Inflammatory Cells
Genetic mutationsGenetic mutations
Survival factors
Survival factors
CytokinesCytokinesOxidative, nitrosative
stressOxidative, nitrosative
stress
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iNOS Expression is Upregulated in PSC and CCA
Normal PSC Cholangiocarcinoma
Jaiswal et al. Cancer Res, 2000
iNOS positive 0/30
iNOS positive20/20
iNOS positive 30/30
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N 7
2H2N
H
O
N
N
N
H
deoxyribose
1
34
56
89
5N 7
2H2N
OH
N
N
N
deoxyribose
1
34
6
89
o
H
DeoxyguanosinedG
8-oxo-deoxyguanosine8-oxo-dG
Oxidative DNA Lesion
Oxidative Stress
ROS
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8-oxodG Positive: 0/10 8-oxodG Positive: 10/10 8-oxodG Positive: 10/10
iNOS Expression in PSC and Cholangiocarcinoma is Associated with Oxidatively Damaged DNA
CholangiocarcinomaNormal PSC
Jaiswal et al, Gastroenterology,120, 190-199, 2001
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p16 Point Mutations in PSC-associated Cholangiocarcinoma
Promoter/Enhancer
5’
Exon 1 Exon 2 Exon 3
3’
8/10 3/10 None None
A
A
G
A
G
G
T
C
Patients
T
C A
G
A
G
A
G
A
G
A
G
A
GT
C
T
C
T
C A
G
A
G
A
G
A
G
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CP1221050-2CP1221050-2
Angiogenic factorsAngiogenic factorsTissue remodelingMigration, invasionTissue remodelingMigration, invasion
Growth factorsGrowth factors
Inflammatory Cells Inflammatory Cells
Genetic mutationsGenetic mutations
Survival factors
Survival factors
CytokinesCytokinesOxidative
stressOxidative
stress
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IL-6
Autocrine/paracrine pathway
Nucleus
Mcl-1
Cholangiocarcinoma cell
Kobayashi S et al, Gastroenterology 2005;128:2054-65
IL-6 Increases Expression of the Anti-Apoptotic Protein Mcl-1
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NormalNormal ALCALC
PSCPSC CCACCA
70%(23/33)70%(23/33)48%(14/29)48%(14/29)
8%(2/25)8%(2/25) 20%(3/15)20%(3/15)
Mcl-1 is Overexpressed in PSC and Cholangiocarcinoma
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0 2 3 (Hours)
anti-IL-6
Mcl-1
actin
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CP1221050-2CP1221050-2
Angiogenic factorsAngiogenic factorsTissue remodelingMigration, invasionTissue remodelingMigration, invasion
Growth factorsGrowth factors
Inflammatory Cells Inflammatory Cells
Genetic mutationsGenetic mutations
Survival factors
Survival factors
CytokinesCytokinesOxidative
stressOxidative
stress
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Developmental Signaling Pathways and Cancer
• Notch• Wnt• Hedgehog
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CSL
Cytoplasm
Nucleus
Target Genes
Jagged
Notch
NICD
Notch Signaling Pathway
(Intracellular domain)
GolgiNotchprecursor
Sending cell
Receiving cell γ-secretase
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Cholangiocyte
iNOS
Notch
Inflammation
NO
Cell proliferation AngiogenesisAnti-apoptosis
Cancer phenotype
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Notch-1 Protein is Enhanced in PSC and CCA
Normal Liver PSC CCA
Normal PSC CCA(n=16) (n=12)
Sta
inin
g In
tens
ity(%
of ≥2
)
(n=15)
020
4060
80
100
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Actin
250K
150K
100K
Notch-1(FL)
NICD
603B603B-iN
OS AS
*
Notch-1 Expression in Cholangiocyte is iNOS dependent
0
0.2
0.4
0.6
0.8
1
1.2
1.4
603B 603B-iNOS AS
Not
ch-1
/ 18
S ra
tio
Immunoblot analysis Real-time PCR
* Non-specific band
**** p<0.01
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Cellular Mechanisms Linking Inflammation to Cholangiocarcinoma
Bile duct Cholangiocarcinoma
Inflammation
COX-2
iNOS
COX-2; Sirica AE, et al. Semin Liver Dis, 2002iNOS; Jaiswal M, et al. Gastroenterology, 2001
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β-Catenin Pathway Activation in Response to PGE2ββ--Catenin Pathway Activation in Response to PGE2Catenin Pathway Activation in Response to PGE2
CP1222559-1CP1222559-1
COX-2COX-2
PGE2PGE2
EP2EP2
αsGTP
Axin
β-catenin
β-catenin
β-catenin
TcfLef
GSK-3β
AKT
γβ
PIP3PDK1
P13K
-P-P
-P-P
Geneexpressioncell growth
Geneexpressioncell growth
Science, 2005Science, 2005
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CP1221050-2CP1221050-2
Angiogenic factorsAngiogenic factorsTissue remodelingand Oncogenesis
Tissue remodelingand Oncogenesis
Growth factorsGrowth factors
Inflammatory Cells Inflammatory Cells
Genetic mutationsGenetic mutations
Survival factors
Survival factors
CytokinesCytokinesOxidative
stressOxidative
stress
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CP1271074-1J Clin Inves 107(2):140, 2001
Ub-Ub-Ub-Ub-Ub-Ub
Ub-Ub-Ub-Ub-Ub-Ub
Cytoplasm
Nucleus
P P
PP
PP
PP
• Cytokines• Bacterial/viral infection• Stress
• Cytokines• Chemokines• Adhesion molecules• Receptors• Cell hB proteins, etc
• Cell proliferation• Cell growth• Cell ditherentiation
NF-κB responsive gene
P50
P50
P50
265 proteasome
IκBP65
P50
P65
P65
P65
IKK1 IKK1
IKK2IKK2
NEMO
NEMO
IκB
IKK complex
NF-κB:IκB
NF-κB
IκB
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CP1220459-2CP1220459-2Karin M et al Nature Reviews in Immunology, 2005
Karin M et al Nature Reviews in Immunology, 2005
Nuclear Factor-κB has Various Tumour-PromotingFunctions Depending on Cell Type in Which it is Activated
Nuclear FactorNuclear Factor--κκB has Various TumourB has Various Tumour--PromotingPromotingFunctions Depending on Cell Type in Which it is ActivatedFunctions Depending on Cell Type in Which it is Activated
Growth factors(such as TNF and IL-1)
Inflammatory cellInflammatory cell
Tumour cellTumour cell
p50 p65
NF-κB- binding site
Survival• BCL-XL• GADD45β• BFL1• SOD2
Classical pathway NF-κB activation
IL-1RIL-1R
IL-1IL-1TNFTNF
TNFRTNFR
Survival factors
p50 p65
NF-κB- binding site
•TNF•IL-1•IL-6•CXCL8•VEGF•CSF1
IκB
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CP1271074-1J Clin Inves 107(2):140, 2001
Ub-Ub-Ub-Ub-Ub-Ub
Ub-Ub-Ub-Ub-Ub-Ub
Cytoplasm
Nucleus
P P
PP
PP
PP
• Cytokines• Bacterial/viral infection• Stress
• Cytokines• Chemokines• Adhesion molecules• Receptors• Cell hB proteins, etc
• Cell proliferation• Cell growth• Cell ditherentiation
NF-κB responsive gene
P50
P50
P50
265 proteasome
κB IκBP65
P50
P65
P65
P65
IKK1 IKK1
IKK2IKK2
NEMO
NEMO
IκB
IKK complex
NF-κB:IκB
NF-κB
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Colitis-Associated Cancer Is Reduced By Deleting IKKß From Intestinal Epithelial Cells
Greten et al Cell, 2004Model of AOM plus DSS tumorigenesis
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GeneticmutationsGenetic
mutations
NF-κB and Tumorigenesis in ColitisNFNF--κκB and B and TumorigenesisTumorigenesis in Colitisin Colitis
CP1228720-1CP1228720-1
EnterocyteEnterocyte
Greten FR et al: Cell, 2004Greten FR et al: Cell, 2004
NF-κBintactNF-κBintact
IKKβdeficient
IKKβdeficient
CancerCancer
ApoptosisApoptosis
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ANANMitosis
ABABInflammatory
cells
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DEN and WT Mice DEN and Hepatocyte
IKKß Δ Mice
HCC is increased in DEN Treated Mice Deficient in Hepatocyte IKKß
Maeda et al. Cell, 2005
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DEN Hepatocarcinogenesis and HepatocyeNF-κB
DEN Hepatocarcinogenesis and DEN Hepatocarcinogenesis and HepatocyeHepatocyeNFNF--κκBB
CP1228720-2CP1228720-2
HepatocyteHepatocyte
IKK-βdeficiency
IKK-βdeficiency
Growth/survivalfactors
Growth/survivalfactors
CancerCancer
Kupffercell
Kupffercell
NF-κBactivation
NF-κBactivation
GeneticmutationsGenetic
mutations
cell deathcell death
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DEN Hepatocarcinogenesis and Kupffer Cell NF-κB
DEN Hepatocarcinogenesis and Kupffer Cell DEN Hepatocarcinogenesis and Kupffer Cell NFNF--κκBB
HepatocyteHepatocyte
NF-κBNF-κB
CP1228720-3CP1228720-3
cell deathcell death
GeneticmutationsGenetic
mutations
Kupffer cellactivationKupffer cellactivation
cancercancer
IKK-βdeficient
IKK-βdeficient
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CP1271074-1J Clin Inves 107(2):140, 2001
Ub-Ub-Ub-Ub-Ub-Ub
Ub-Ub-Ub-Ub-Ub-Ub
Cytoplasm
Nucleus
P P
PP
PP
PP
• Cytokines• Bacterial/viral infection• Stress
• Cytokines• Chemokines• Adhesion molecules• Receptors• Cell hB proteins, etc
• Cell proliferation• Cell growth• Cell ditherentiation
NF-κB responsive gene
P50
P50
P50
265 proteasome
IκBP65
P50
P65
P65
P65
IKK1 IKK1
IKK2IKK2
NEMO
NEMO
IκB
IKK complex
NF-κB:IκB
NF-κB
IκB
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CP1266381-3CP1266381-3
Cancer Cell 11:119, 2007Cancer Cell 11:119, 2007Arrows indicate large tumorsArrows indicate large tumors
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ANANMitosis
ABABInflammatory
cells
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TNF-R1N
C
Fas TRAIL-R1/2N
C
N
C
Extracellular Cysteine-rich Domain
Transmembrane Domain
Cytoplasmic Death Domain
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The Fas DISCThe Fas DISC
FADDFADD
ActiveActiveCaspase 10Caspase 10
FasL/CD95LFasL/CD95L
ProPro--Caspase 10Caspase 10
FADDFADD
ActiveActiveCaspase 8Caspase 8
ProPro--Caspase 8Caspase 8
Fas/CD95Fas/CD95
DE
DD
ED
DD
DD
DE
DD
DDD
DE
DD
D�
�
DE
DD
ED
DDDD
DEDDED
Death DomainDeath Domain
Death Death EffectorEffector DomainDomain
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CP1266381-1CP1266381-1
Cancer Cell 11:119, 2007Cancer Cell 11:119, 2007
Tune
l(LP
S 10
hr)
Tune
l(LP
S 10
hr)
NEMOLPC-KONEMOLPC-KO NEMO/FADDLPC-KONEMO/FADDLPC-KO
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0
200
400
600
800
1,000
CP1266381-2CP1266381-2
Cancer Cell 11:119, 2007Cancer Cell 11:119, 2007
NEMOLPC-KONEMOLPC-KO NEMO/FADDLPC-KO
NEMO/FADDLPC-KO
Serum ALTSerum ALTSerum ALT
P<0.05P<0.05
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NF-κB in Different Cancer ModelsNFNF--κκB in Different Cancer ModelsB in Different Cancer Models
CP1262985-1CP1262985-1
MM SS
NFκBhi
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NF-κB in Different Cancer ModelsNFNF--κκB in Different Cancer ModelsB in Different Cancer Models
CP1262985-2CP1262985-2
MM SS
NFκBhi
Tonic signalsTonic signals
Inflammatorysignals
Inflammatorysignals
IKKNFκB
Kupffer cells
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NF-κB in Different Cancer ModelsNFNF--κκB in Different Cancer ModelsB in Different Cancer Models
CP1262985-3CP1262985-3
IKKNFκB
Kupffer cells
CancerCancer
TNFIL-6TNFIL-6
MM SS
JNKhi
IKKNFκB
JNKhi
ROShi
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A Generalized Scheme of Chronic InflammationA Generalized Scheme of Chronic InflammationA Generalized Scheme of Chronic Inflammation
CP1222559-2CP1222559-2
Physical injuryPhysical injuryNormal
microfloraNormal
microfloraPathogensPathogens
ToxinsToxins PAMPsPAMPs
PRRsPRRs
Host cellapoptosisHost cellapoptosis
Host cellnecrosisHost cellnecrosis Endogenous
ligandsEndogenous
ligands
ChemokinesChemokinesCytokinesCytokines
LymphocytesLymphocytes
Persistent inflammationPersistent inflammation
Anti-inflammatorycontrols
Anti-inflammatorycontrols
Epitheliallayer
Epitheliallayer
Geneticfactors
++ –
Macrophage
Karin, M Cell, 2006Karin, M Cell, 2006
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CP1221050-2CP1221050-2
Angiogenic factorsAngiogenic factorsTissue remodelingMigration, invasionTissue remodelingMigration, invasion
Growth factorsGrowth factors
Inflammatory Cells Inflammatory Cells
Genetic mutationsGenetic mutations
Survival factors
Survival factors
CytokinesCytokinesOxidative
stressOxidative
stress
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Tumor Associated Macrophages Tumor Associated Macrophages (TAM)(TAM)
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MacrophageMacrophage
Common functionsCommon functionsAngiogenic factors
Tissue remodeling and repairGrowth and migration factors
Angiogenic factorsTissue remodeling and repairGrowth and migration factors
MacrophogenesisMacrophogenesis MetastasisMetastasis
Blood vesselBlood vessel
Tumor cells
Tumor cellsNormal
epithelialcells
Normalepithelial
cells
Ductal invasionDuctal invasion Tumor invasionTumor invasion
CP1221406-1CP1221406-1
Condeelis, J et al Cell, 2006
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Contribution of Macrophages to MetastasisContribution of Macrophages to MetastasisContribution of Macrophages to Metastasis
CP1225113-1CP1225113-1Wang et al: Trends in cell biology 15:141, 2005Wang et al: Trends in cell biology 15:141, 2005
BloodvesselBloodvessel
ParacrinechemotaxisParacrine
chemotaxis
EGFEGF
CSF-1CSF-1CSF-1CSF-1
EGFEGF
CCCC
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The Cancer EcosystemThe Cancer EcosystemThe Cancer Ecosystem
CP1224433-1CP1224433-1
NeoangiogenesisNeoangiogenesis
TILTIL
TAMTAM
APCAPC
Connective tissue
Connective tissue
FibroblastsFibroblasts
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CP1224433-2CP1224433-2
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CP1224433-3CP1224433-3
Dead snakeDead snake