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Coordinador Científico: Dr. Fernando Rivera Hospital Universitario Marqués de Valdecilla, Santander
Organizado por: Fundación para el progreso de la oncología en Cantabria, FUPOCAN
Carcinoma de Merkel abordaje molecular e implicaciones terapéuticas
ONCOPROMESAS VS ONCOSAURIOS 12, 13 Y 14 DE JULIO 2017 · SANTANDER
GRAN HOTEL SARDINERO
Pza. Italia,1· Santander
Asimilando los progresos en Oncología
José Pedro Vaqué Santander
MOLECULAR CHARACTERIZATION -MUTATIONAL PROFILING -OTHER MARKERS
GENERALISTIC THERAPIES
-SAME CONSIDERATION FOR PATIENTS, CANCERS AND CANCER CELLS-
TARGETED THERAPY IMATINIB CML HERCEPTIN BREAST CANCER CRIZOTINIB LUNG CANCER VEMURAFENIB ADVANCED MELANOMA
• CURE • INCREASES O. SURVIVAL • BETTER QUALITY OF LIFE
DISEASE MARKERS: -BRC-ABL -HER2 -BRAF
PERSONALIZED THERAPY • INDIVIDUAL MOLECULAR PROFILING • SPECIFIC MOLECULAR MARKERS • ADVANCED CANCER CASES WITH LIMITED TREATMENT OPTIONS
? ?
?
CHANGING OUR ABILITY TO DIAGNOSE AND TREAT CANCER
MERKEL CELL CARCINOMA ADVANCED MELANOMA CUTANEOUS T-CELL LYMPHOMA HEPATOCELLULAR CARCINOMA
-Relevant questions (clinical practice). -Patient selection/Management/Follow-up. -Sample collection, organization, characterization.
-Sample processing -Data generation and validation -Biological interpretation -Hypothesis/Preclinical models
-Translation into: Novel diagnostic tools Novel therapy options Clinical trials for personalize medicine??
1) SUPPORT DIAGNOSTICS 2) GUIDE THERAPY
PATIENT
CLINICIANS
TRANSLATIONAL RESEARCH PROJECTS
GREAT OPORTUNITY!
BASIC RESEARCHERS
ORGANIZED WORKFLOW FOR TRASLATIONAL PROJECTS
MERKEL CELLS AND MERKEL CELL CARCINOMA
▪ Neuroendocrine and thought to originate from the malignant transformation
of Merkel Cells.
▪ Infrequent, but with a rising incidence (0,2-0,8/100000 h)
▪ Local and distal metastasis are frequent at the time of diagnosis.
▪ Aggressive, with a high mortality rate (40%, exceeds melanoma)
▪ It affects especially aged and immunodepressed patients.
▪ From a mechanistic perspective Merkel cell carcinoma (MCC) is a poorly
studied cancer type
Diagnostic of MCCs can be difficult from other NET tumors:
Small Cell Lung Cancer (SCLC): CK20 (- ; 90% + in MCC), CK12(-), TTF-1 (+) (Pulitzer MP et al. Advances in Anatomic Pathology, 2009)
SCLC shares with MCC histopathological characteristics and aggressive clinical courses. (Schmidt U et al. The American Journal of Dermatopathology, 1998)
MERKEL CELL CARCINOMA: SOME RELEVANT FEATURES
MCCs can be divided into:
A) MCPyV+ tumors: With low mutational indexes.
B) MCPyV- tumors: With high mutational indexes with a UV signature (like melanoma)
-Disease markers have not provided significant differences in survival so far, except for TP53 in early
stages, MCPyV-negative expression or activated CREB (this presentation and Gonzalez-Vela C.) (Harms PW. et al. Can. Research, 2015)
(Wong QW. et al. Can. Research, 2015)
(Goh G. et al. Oncotarget, 2016)
(Moshiri AS. et al JID 2017)
(González-Vela C., Curiel-Olmo S. et al JID 2017)
MERKEL CELL CARCINOMA: SPECIFIC THERAPIES
Anti-PD1 treatment using Pembrolizumab has shown promising results in MCC with a PFS at 6
months of 67% of the patients (N= 24). (Nghiam PT et al. New England Journal of Medicine, 2016)
Anti-PD-L1 treatment using Avelumab has shown promising results in MCC with 28/88 patients
achieving an objective response (31.2% with CR or PR). Responses are durable. (Kaufman HL et al. Lancet Oncology, 2016)
Current treatment of MCC lacks targeted therapy or effective molecular therapies. Other
therapies like chemotherapy or radiotherapy are also low efficient in advanced stages (Schmidt U et al. The American Journal of Dermatopathology, 1998)
Ribas A. N Engl J Med. 2012;366:2517-2519.
THERE IS SCARCE KNOWLEDGE OF THE MOLECULAR MECHANISMS DRIVING THIS DISEASE
Integrated in the genome of 66 % - 80 % of MCC cases (Feng H et al. Science, 2008)
Codifies 3 antigens that are presumably required for
survival and proliferation of MCC:
1. Large T antigen (LT): RB
2. Small T antigen(ST) : Can promote
tumorugenesis in vivo
3. 57KDa antigen
(Shuda M et al. The Journal of Clinical Investigation, 2011)
(Verhaegen ME. Et al Cancer Research, 2017)
Viral antigens can bind tumor suppressor proteins
including RB. Other activities (i.e. TP53) are still
unveiled (DeCaprio JA et al. Cell, 1988)
Clonal integration of Merkel Polyomavirus (MCPyV) in Merkel cells
MERKEL CELL CARCINOMA: MOLECULAR PATHOGENESIS
The origin of MCC is still under discussion:
1. Merkel Cells
2. Epithelial pluripotent skin cells
(Mc Cardle et al. Curr. Probl. Cancer, 2010)
ETIOLOGY OF MERKEL CELL CARCINOMA
81 % of primary tumors occur on
sun-exposed skin. (Heath et al. 2008)
Caucasians have the greatest risk . (Heath et al. 2008)
UV signature. (Goh et al. 2015, Harms et al. 2015)
Found in 50 - 90 % of MCC tumors. (Feng et al. 2008, Kassem et al. 2008)
Immunodepressed people have
the highest risk. (Sarnaik et al. 2010)
MCPyV
MERKEL CELL POLYOMAVIRUS (MCPyV): UV RADIATION:
CANCER HETEROGENEITY (MUTATIONAL INDEX)
(Alexandrov, L.B. et al. Nature, 2013)
Prevalencia de mutaciones en diferentes tipos de cancer humano
MERKEL CELL CARCINOMA
MCPyV+ 0,7 muts/Mb
MCPyV- >20 muts/Mb
WHOLE EXOME SEQUENCING OF 15 MCC CASES
PATIENT SEX AGELESION
LOCALIZ.STAGE MCPyV
SAMPLE
TYPE
C>T
DIPYRIM
IDINE
% C>T
DIPYRIM
IDINE
CC>TT % CC>TT
1 M 83 Leg IIIA Negative FF 1875 83,71 6 0,27
2 M 94 Ear IV Negative FFPE 1562 79,17 16 0,81
3 M 74 Nose IA Negative FFPE 296 70,14 3 0,71
4 M 81 Face IIA Negative FF 1875 75,88 12 0,49
5 F 78 Face IV Negative FF 1995 75,45 16 0,61
6 F 92 Leg IV Negative FF 1306 72,72 8 0,45
7 F 75 Face IIA Negative FFPE 2562 70,31 11 0,30
8 F 80 Leg IIIA Positive FF 11 37,93 0 0,00
9 M 72 Arm IIIA Positive FFPE 143 33,57 0 0,00
10 F 88 Thigh IIA Positive FF 12 21,05 0 0,00
11 M 86 Leg IIIB Positive FF 17 26,98 0 0,00
12 F 80 Face IV Positive FF 9 36,00 0 0,00
13 M 69 Lip IV Negative FFPE 71 21,91 0 0,00
14 F 80 Face IIA Positive FF 6 16,22 0 0,00
15 F 81 Leg IIB Positive FF 8 17,02 0 0,00
MCPyV-: High mutational loads with a UV signature (% C>T at dipyrimidine sites)
MCPyV+: Low mutational loads
González-Vela C*,Curiel-Olmo S* et al. JID 2017
GENETIC CHARACTERISTICS OF MCC TUMORS: TOTAL NUMBER OF SNVs/CASE
MCPyV-: High mutational loads (average SNVs=1939) with a UV signature (% C>T at dipyrimidine sites)
MCPyV+: Low mutational loads (average SNVs=73)
González-Vela C*,Curiel-Olmo S* et al. JID 2017
GENETIC CHARACTERISTICS OF MCC TUMORS: U.V. SIGNATURE VS.MCPyV
MCPyV-: High mutational loads (average SNVs=1939) with a UV signature (% C>T at dipyrimidine sites)
MCPyV+: Low mutational loads (average SNVs=73)
González-Vela C*,Curiel-Olmo S* et al. JID 2017
SIGNIFICANTLY MUTATED GENES FOUND BY ONCODRIVE.
A tool designed to uncover significantly altered OncodriveFM: » driver genes or gene modules » pathways & biological processes
GENE P VALUE Q VALUE FUNTIONS MECHANISMS MUTSMUT.
SAMPL.
KNOWN
DRIVER?
CONNECTED
TO DRIVER?
TP53 2.22E-16 1.19E-13 TP53 CELL CYCLE INHIBITOR 8 6 True True
CDK5RAP1 6.59E-09 1.76E-06 TRANSCRIPTIONAL REGULATION RNA METHYLTHIOTRANSFERASE 2 2
FAT4 4.17E-05 7.43E-03 FOCAL ADHESION & EM CADHERIN 11 6
ADAM8 1.37E-04 1.84E-02 FOCAL ADHESION & EM CELL-CELL & CELL-MATRIX INTERACTIONS 2 2 True
GLB1L2 2.87E-04 3.07E-02 METABOLIC BETA-GALACTOSIDASE ACTIVITY 3 3
CACNA1C 3.82E-04 3.41E-02 CALCIUM VOLTAGE-DEPENDENT CALCIUM CHANNEL 2 2 True
OGG1 5.18E-04 3.96E-02 DNA-REPAIR DNA-REPAIR 2 2 True
HIVEP2 6.53E-04 4.37E-02 TRANSCRIPTIONAL REGULATION TRANSCRIPTION FACTOR. 6 4
RB1 8.09E-04 4.81E-02 RB1 CELL CYCLE INHIBITOR 4 2 True True
CIT 1.10E-03 5.87E-02 FOCAL ADHESION & EM GPCR / RHO-RAC 4 3
CLASP2 1.52E-03 7.40E-02 FOCAL ADHESION & EM STABILIZATION OF MICROTUBULES 4 3
MLL3 3.06E-03 1.02E-01 TRANSCRIPTIONAL REGULATION TRANSCRIPTIONAL COACTIVATION 3 3 True
RPS6KB1 4.58E-03 1.23E-01 PI3K/mTOR p70-S6K-mTOR PATHWAY 2 2
PTPRC 5.39E-03 1.37E-01 N/A TYROSINE PHOSPHATASE 3 2 True
HDAC2 5.98E-03 1.40E-01 TRANSCRIPTIONAL REGULATION TRANSCRIPTIONAL REPRESSION 2 2
RPTOR 6.00E-03 1.40E-01 PI3K/mTOR mTOR REGULATOR 4 4
ROS1 7.49E-03 1.60E-01 RTKs RECEPTOR TYROSINE KINASE 3 3 True
NFATC4 8.79E-03 1.68E-01 CALCIUM GPCR/Ca2+
& cAMP 3 2
MAPK8IP3 1.16E-02 1.77E-01 RAS/MAPK PROTEIN SCAFFOLD 3 3
APC 1.70E-02 2.33E-01 WNT ANTAGONIST OF THE WNT SIGNALING 3 3 True
SMARCA4 2.09E-02 2.61E-01 TRANSCRIPTIONAL REGULATION CHROMATIN REMODELING 2 2 True
CRTC3 2.49E-02 2.89E-01 cAMP (CREB) TRANSCRIPTION COACTIVATOR 2 2 True
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
SIGNIFICANTLY MUTATED MECHANISMS FOUND BY ONCODRIVE.
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
PATHWAY ID
P_VALUE Q_VALUE NAME/MAIN FUNCTION ASSOCIATED MECHANISMS OTHER
hsa05217 3.67E-07 3.94E-05 BASAL CELL CARCINOMA SHH U.V. EXPOSURE
hsa05220 5.36E-07 3.94E-05 CML BCR-ABL TP53, RB
hsa05210 1.95E-06 9.58E-05 COLORECTAL CANCER RAS, APC (WNT) TP53
hsa00280 2.71E-06 9.96E-05 VALINE ISOLEUCINE DEGRADATION METABOLISM N/A
hsa04270 3.87E-06 1.14E-04 VASCULAR SMOOTH MUSCLE CONTRACTION CALCIUM MYOSIN-ACTIN CONTRACTION
hsa04151 1.40E-05 3.22E-04 PI3K-AKT PI3K/mTOR N/A
hsa05222 1.64E-05 3.22E-04 SMALL CELL LUNG CANCER MYC, TP53 RB1
hsa05223 1.75E-05 3.22E-04 NSCLC RAS, ERBB2 (RTK), TP53 N/A
hsa05219 2.55E-05 4.17E-04 BLADDER FGFR3 (RTK)/RAS MATRIX METALLOPROTEASES
hsa05034 4.45E-05 6.42E-04 ALCOHOLISM/CREB ACTIVATION cAMP/CREB GPCR SIGNALLING
hsa05203 4.80E-05 6.42E-04 VIRAL CANCER VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05212 9.14E-05 1.06E-03 PANCREATIC HER2 (RTK)/RAS/MAPK TP53
hsa05410 9.37E-05 1.06E-03 HYPERTROPHIC CARIOMYOPATHY CALCIUM BINDING TO ACTOMYOSIN ATP IMBALANCE
hsa04810 1.07E-04 1.13E-03 ACTIN CYTOSKELETON CYTOSKELETAL REMODELING N/A
hsa05161 1.27E-04 1.24E-03 HEPATITIS B VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05166 1.59E-04 1.46E-03 HTLV-1 INFECTION VIRAL ONCOPROTEINS cAMP/CREB, NFAT, NFKB, SRF
hsa05213 2.03E-04 1.75E-03 ENDOMETRIAL CANCER HER2 (RTK)/RAS/MAPK, B-CAT TP53
hsa05200 2.43E-04 1.98E-03 PATHWAYS IN CANCER MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa04512 2.73E-04 2.01E-03 EXTRACELLULAR MATRIX EXTRACELLULAR MATRIX N/A
hsa04722 2.74E-04 2.01E-03 NEUROTROPHIN SIGNALING TRK (RTK) MAPK, PLC (CALCIUM)
hsa04115 3.08E-04 2.16E-03 TP53 TP53 N/A
hsa04110 3.60E-04 2.41E-03 CELL CYCLE TP53, RB1 MULTIPLE MECHANISMS
hsa00565 4.38E-04 2.80E-03 ETHER LIPID METABOLISM METABOLISM N/A
hsa05215 6.63E-04 4.06E-03 PROSTATE MULTIPLE MECHANISMS N/A
hsa00640 7.02E-04 4.13E-03 PROPANOATE METABOLISM METABOLISM N/A
hsa05412 7.56E-04 4.28E-03 ARRHYTHOGENIC RIGHT VENTRICULAR CARDIOMYOPATHY MULTIPLE MECHANISMS WNT, CALCIUM
hsa05168 8.95E-04 4.81E-03 HERPEX SIMPLEX INFECTIONS VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05016 9.16E-04 4.81E-03 HUNTINGTON´S DISEASE MULTIPLE MECHANISMS N/A
hsa04210 1.09E-03 5.51E-03 APOPTOSIS MULTIPLE MECHANISMS N/A
hsa05031 1.16E-03 5.69E-03 AMPHETAMINE ADDICTION/CREB ACTIVITY cAMP/CREB FOS, FOSB
hsa05214 2.44E-03 1.16E-02 GLIOMA MULTIPLE MECHANISMS TP53, RB
hsa05414 2.56E-03 1.18E-02 DILATED CARDIOMYOPATHY MULTIPLE MECHANISMS cAMP/CREB, CALCIUM
hsa04727 2.77E-03 1.23E-02 GABAERGIC SYNAPSE MULTIPLE MECHANISMS SECONDARY MESSENGERS
hsa04150 3.34E-03 1.45E-02 mTOR SIGNALING mTOR N/A
hsa05162 3.57E-03 1.50E-02 MEASELS VIRAL ONCOPROTEINS JAK/STAT
hsa04360 5.01E-03 1.99E-02 AXON GUIDANCE MULTIPLE MECHANISMS RHO GTPASES (CYTOSKELETON)
hsa04010 5.13E-03 1.99E-02 MAPK SIGNALING MAPK N/A
hsa04910 5.16E-03 1.99E-02 INSULIN SIGNALING INSR (RTK) MULTIPLE MECHANISMS
hsa05216 5.64E-03 2.13E-02 THYROID CANCER RET, TRK (RTKs) RAS, TP53
hsa04724 1.05E-02 3.86E-02 GLUTAMINERGIC SIGNALING MULTIPLE MECHANISMS GPCR SIGNALLING
hsa04310 1.09E-02 3.90E-02 WNT WNT N/A
hsa05202 1.30E-02 4.56E-02 TRANSCRIPTIONAL MISREGULATION IN CANCER MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa04930 1.40E-02 4.77E-02 TYPE II DIABETES MELLITUS MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa05160 1.54E-02 5.14E-02 HEPATITIS C VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05218 1.67E-02 5.46E-02 MELANOMA MULTIPLE MECHANISMS U.V. EXPOSURE
hsa04514 1.97E-02 6.30E-02 CELL ADHESION PROTEINS CELL ADHESION MULTIPLE MECHANISMS
hsa04510 2.29E-02 7.18E-02 FOCAL ADHESION MULTIPLE MECHANISMS ACTIN CYTOKELETON
hsa04146 2.94E-02 9.01E-02 PEROXISOME N/A N/A
hsa05014 3.31E-02 9.94E-02 AMYOTROPHIC LATERAL SCLEROSIS (ALS) MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa04012 3.54E-02 1.03E-01 ERBB SIGNALING RTKs MULTIPLE MECHANISMS
hsa04530 3.58E-02 1.03E-01 TIGHT JUNCTION MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa05010 4.63E-02 1.31E-01 ALZHEIMER DISEASE MULTIPLE MECHANISMS MULTIPLE MECHANISMS
SIGNIFICANTLY MUTATED MECHANISMS FOUND BY ONCODRIVE.
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
PATHWAY ID
P_VALUE Q_VALUE NAME/MAIN FUNCTION ASSOCIATED MECHANISMS OTHER
hsa05217 3.67E-07 3.94E-05 BASAL CELL CARCINOMA SHH U.V. EXPOSURE
hsa05220 5.36E-07 3.94E-05 CML BCR-ABL TP53, RB
hsa05210 1.95E-06 9.58E-05 COLORECTAL CANCER RAS, APC (WNT) TP53
hsa00280 2.71E-06 9.96E-05 VALINE ISOLEUCINE DEGRADATION METABOLISM N/A
hsa04270 3.87E-06 1.14E-04 VASCULAR SMOOTH MUSCLE CONTRACTION CALCIUM MYOSIN-ACTIN CONTRACTION
hsa04151 1.40E-05 3.22E-04 PI3K-AKT PI3K/mTOR N/A
hsa05222 1.64E-05 3.22E-04 SMALL CELL LUNG CANCER MYC, TP53 RB1
hsa05223 1.75E-05 3.22E-04 NSCLC RAS, ERBB2 (RTK), TP53 N/A
hsa05219 2.55E-05 4.17E-04 BLADDER FGFR3 (RTK)/RAS MATRIX METALLOPROTEASES
hsa05034 4.45E-05 6.42E-04 ALCOHOLISM/CREB ACTIVATION cAMP/CREB GPCR SIGNALLING
hsa05203 4.80E-05 6.42E-04 VIRAL CANCER VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05212 9.14E-05 1.06E-03 PANCREATIC HER2 (RTK)/RAS/MAPK TP53
hsa05410 9.37E-05 1.06E-03 HYPERTROPHIC CARIOMYOPATHY CALCIUM BINDING TO ACTOMYOSIN ATP IMBALANCE
hsa04810 1.07E-04 1.13E-03 ACTIN CYTOSKELETON CYTOSKELETAL REMODELING N/A
hsa05161 1.27E-04 1.24E-03 HEPATITIS B VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05166 1.59E-04 1.46E-03 HTLV-1 INFECTION VIRAL ONCOPROTEINS cAMP/CREB, NFAT, NFKB, SRF
hsa05213 2.03E-04 1.75E-03 ENDOMETRIAL CANCER HER2 (RTK)/RAS/MAPK, B-CAT TP53
hsa05200 2.43E-04 1.98E-03 PATHWAYS IN CANCER MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa04512 2.73E-04 2.01E-03 EXTRACELLULAR MATRIX EXTRACELLULAR MATRIX N/A
hsa04722 2.74E-04 2.01E-03 NEUROTROPHIN SIGNALING TRK (RTK) MAPK, PLC (CALCIUM)
hsa04115 3.08E-04 2.16E-03 TP53 TP53 N/A
hsa04110 3.60E-04 2.41E-03 CELL CYCLE TP53, RB1 MULTIPLE MECHANISMS
hsa00565 4.38E-04 2.80E-03 ETHER LIPID METABOLISM METABOLISM N/A
hsa05215 6.63E-04 4.06E-03 PROSTATE MULTIPLE MECHANISMS N/A
hsa00640 7.02E-04 4.13E-03 PROPANOATE METABOLISM METABOLISM N/A
hsa05412 7.56E-04 4.28E-03 ARRHYTHOGENIC RIGHT VENTRICULAR CARDIOMYOPATHY MULTIPLE MECHANISMS WNT, CALCIUM
hsa05168 8.95E-04 4.81E-03 HERPEX SIMPLEX INFECTIONS VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05016 9.16E-04 4.81E-03 HUNTINGTON´S DISEASE MULTIPLE MECHANISMS N/A
hsa04210 1.09E-03 5.51E-03 APOPTOSIS MULTIPLE MECHANISMS N/A
hsa05031 1.16E-03 5.69E-03 AMPHETAMINE ADDICTION/CREB ACTIVITY cAMP/CREB FOS, FOSB
hsa05214 2.44E-03 1.16E-02 GLIOMA MULTIPLE MECHANISMS TP53, RB
hsa05414 2.56E-03 1.18E-02 DILATED CARDIOMYOPATHY MULTIPLE MECHANISMS cAMP/CREB, CALCIUM
hsa04727 2.77E-03 1.23E-02 GABAERGIC SYNAPSE MULTIPLE MECHANISMS SECONDARY MESSENGERS
hsa04150 3.34E-03 1.45E-02 mTOR SIGNALING mTOR N/A
hsa05162 3.57E-03 1.50E-02 MEASELS VIRAL ONCOPROTEINS JAK/STAT
hsa04360 5.01E-03 1.99E-02 AXON GUIDANCE MULTIPLE MECHANISMS RHO GTPASES (CYTOSKELETON)
hsa04010 5.13E-03 1.99E-02 MAPK SIGNALING MAPK N/A
hsa04910 5.16E-03 1.99E-02 INSULIN SIGNALING INSR (RTK) MULTIPLE MECHANISMS
hsa05216 5.64E-03 2.13E-02 THYROID CANCER RET, TRK (RTKs) RAS, TP53
hsa04724 1.05E-02 3.86E-02 GLUTAMINERGIC SIGNALING MULTIPLE MECHANISMS GPCR SIGNALLING
hsa04310 1.09E-02 3.90E-02 WNT WNT N/A
hsa05202 1.30E-02 4.56E-02 TRANSCRIPTIONAL MISREGULATION IN CANCER MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa04930 1.40E-02 4.77E-02 TYPE II DIABETES MELLITUS MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa05160 1.54E-02 5.14E-02 HEPATITIS C VIRAL ONCOPROTEINS MULTIPLE MECHANISMS
hsa05218 1.67E-02 5.46E-02 MELANOMA MULTIPLE MECHANISMS U.V. EXPOSURE
hsa04514 1.97E-02 6.30E-02 CELL ADHESION PROTEINS CELL ADHESION MULTIPLE MECHANISMS
hsa04510 2.29E-02 7.18E-02 FOCAL ADHESION MULTIPLE MECHANISMS ACTIN CYTOKELETON
hsa04146 2.94E-02 9.01E-02 PEROXISOME N/A N/A
hsa05014 3.31E-02 9.94E-02 AMYOTROPHIC LATERAL SCLEROSIS (ALS) MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa04012 3.54E-02 1.03E-01 ERBB SIGNALING RTKs MULTIPLE MECHANISMS
hsa04530 3.58E-02 1.03E-01 TIGHT JUNCTION MULTIPLE MECHANISMS MULTIPLE MECHANISMS
hsa05010 4.63E-02 1.31E-01 ALZHEIMER DISEASE MULTIPLE MECHANISMS MULTIPLE MECHANISMS
Missense
Nonsense
UTR region
MCPyV
FOCAL ADHESION & EXTRACELLULAR MATRIX
TRANSCRIPTIONAL REGULATION
METABOLISM
CALCIUM
WNT
cAMP/CREB
RAS/MAPK
RTKs
PI3K/mTOR
OTHER
DISTRIBUTION OF MUTATIONS IN SIGNIFICANT GENES AND PATHWAYS Mutational Rate
González-Vela C*, Curiel-Olmo, S*, et al.
JID. 2017.
BIOMARKERS ASSOCIATED TO DEREGULATED MECHANISMS
END-POINT (T.F.) ACTIVATING MECHANISM
C-MYC RTKs, RAS/MAPK, PI3K/mTOR
P-STAT3 JAK/STAT, RTKs
P-CREB cAMP/CREB signaling
LEF1 WNT, MYC
NFAT Calcium signaling
HIGHLY SIGNIFICANT GENES
(PROTEINS) IN OUR ANALYSIS
TP53
RB1
PREVIOUSLY REPORTED
p63
POLYOMAVIRAL INTEGRATION
MCPyV-LT antigen
MCPyV
TP53
RB
POSITIVE NEGATIVE
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
EXAMPLES OF MCC SAMPLES FROM PATIENTS CHARACTERIZED BY IHC
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
ASSESSMENT OF DISEASE MECHANISMS IN A LARGER COHORT
Immunohistochemistry: 48 cases 27/48 cases: MCPyV-positive (56 %).
21/48 cases: MCPyV-negative (44 %). CASE MCPyV p63 NFAT-C1 P-CREB P-STAT-3 P53 RB MYC LEF1-L
8 POSITIVE N/D N/D N/D N/D N/D N/D N/D N/D
9 POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
10 POSITIVE NEGATIVE POSITIVE POSITIVE POSITIVE NEGATIVE LOSS NEGATIVE NEGATIVE
11 POSITIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
12 POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
14 POSITIVE POSITIVE POSITIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
15 POSITIVE POSITIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE POSITIVE POSITIVE NEGATIVE
16 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
17 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
18 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE LOSS NEGATIVE NEGATIVE
19 POSITIVE POSITIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
20 POSITIVE POSITIVE POSITIVE NEGATIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
21 POSITIVE POSITIVE NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
22 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
23 POSITIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
24 POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
25 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
26 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
27 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
28 POSITIVE N/D NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
29 POSITIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
30 POSITIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
31 POSITIVE POSITIVE POSITIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE
32 POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE POSITIVE
33 POSITIVE POSITIVE NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
34 POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
35 POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
1 NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE POSITIVE POSITIVE POSITIVE
2 NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE LOSS NEGATIVE POSITIVE
3 NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE
4 NEGATIVE POSITIVE NEGATIVE POSITIVE NEGATIVE POSITIVE LOSS NEGATIVE NEGATIVE
5 NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE POSITIVE LOSS POSITIVE NEGATIVE
6 NEGATIVE POSITIVE NEGATIVE NEGATIVE POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE
7 NEGATIVE POSITIVE NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE
13 NEGATIVE N/D NEGATIVE N/D N/D N/D N/D N/D N/D
36 NEGATIVE POSITIVE POSITIVE NEGATIVE NEGATIVE POSITIVE LOSS NEGATIVE NEGATIVE
37 NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE POSITIVE LOSS POSITIVE POSITIVE
38 NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE POSITIVE LOSS NEGATIVE NEGATIVE
39 NEGATIVE POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE LOSS NEGATIVE NEGATIVE
40 NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE LOSS NEGATIVE NEGATIVE
41 NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE
42 NEGATIVE POSITIVE NEGATIVE POSITIVE NEGATIVE NEGATIVE POSITIVE NEGATIVE POSITIVE
43 NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE POSITIVE LOSS POSITIVE NEGATIVE
44 NEGATIVE NEGATIVE POSITIVE NEGATIVE POSITIVE POSITIVE LOSS NEGATIVE NEGATIVE
45 NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE NEGATIVE LOSS NEGATIVE NEGATIVE
46 NEGATIVE POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE POSITIVE NEGATIVE
47 NEGATIVE NEGATIVE POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE NEGATIVE POSITIVE
48 NEGATIVE POSITIVE POSITIVE POSITIVE POSITIVE NEGATIVE POSITIVE POSITIVE POSITIVE
González-Vela C*, Curiel-Olmo, S*, et al.
JID. 2017.
α
COMMON AND DIVERGENT DISEASE MECHANISMS FOUND IN MCC
RAS
JAK RHO/RAC
mTOR
β γ
β γ
LEF1
4 % 33 %
NFAT
42 % 33 %
P-CREB
35 % 60 %
FOCAL ADHESION & EM GPCR SIGNALING RTK SIGNALING
GNAS
GRM1-6 ERBB4, MET
ADCY
GNAI G-ACTIN
F-ACTIN
ITGB4, FAT4
TP53
37 % 57 %
RB
7 % 52 %
GNAQ
p63
50 % 70 %
CALCIUM cAMP/CREB ACTIN CYTOSKELETON
MALIGNANT MCC TRANSCRIPTION
MAPK
MYC
4 % 45 %
MCPyV + MCPyV -
P-STAT
55 % 15 %
PLCB1
PI3K
FLNC
COL24A1, COL4A4
SHARED
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
MCC : BIOMARKES AND SURVIVAL-I
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
ASOCIATION OF BIOMARKERS WITH SURVIVAL OF PATIENTS
P-STAT
0 1000 2000 3000 4000 5000 0
20
40
60
80
100
P-STAT positive
P-STAT negative
Pe
rce
nt
su
rviv
al (%
)
Time (days)
p=0.024
0 1000 2000 3000 4000 5000 0
20
40
60
80
100
P-CREB positive
P-CREB negative
Time (days)
Pe
rce
nt
su
rviv
al (%
)
P-CREB
p=0.011
Hazard Ratios for P-CREB and STAT markers, in relation to mortality.
Multivariate analysis against: sex, age, stage, MCPyV, P-STAT, P-CREB.
a HRc = Crude Hazard Ratio.
b HRa = Hazard Ratio adjusted for P-CREB, P-STAT, MCPyV status, sex, age and stage.
Vital status
Death
(n=15)
Survival
(n=33) HRca (95% CI) HRab (95% CI)
P-CREB
Negative 5 20 1 -- 1 --
Positive 9 12 3.89 1.28 11.87 5.56 1.22 25.33
P-STAT
Negative 7 24 1 -- 1 --
Positive 7 8 3.37 1.1 10.3 1.65 0.22 12.35
González-Vela C*, Curiel-Olmo, S*, et al. JID. 2017.
LESSONS LEARNED FROM MERKEL CELL CARCINOMA
MCC TUMORS SHOW MULTIPLE GENOMIC SIMILIARITIES TO LUNG CANCER (SCLC, NSCLC) AND CUTANEOUS MELANOMA
DESPITE IMPORTANT GENETIC DIFFERENCES BETWEEN MCPyV+ AND MCPyV- CASES, MCC TUMORS CAN DEVELOP SIMILAR MECHANIMS OF DISEASE. 1) WES ANALYSES HELPED IDENTIFYING IMPORTANT MECHANISMS OF DISEASE. SOME ACTIONABLE? 2) ASSOCIATED BIOMARKES SHOWED POTENTIAL TO BE USED IN PROGNOSYS, AND THERAPY?
• VALIDATE OUR FINDINGS_INDEPENDENT COHORT OF CASES WITH CLINICAL DATA
• EXPLORE THE MECHANISTIC NATURE REGARDING THE SHARED MECHANISMS BETWEEN MCC ETIOLOGIES
• ALSO SPECIFIC MCPyV- MECHANISMS AND BIOMARKERS
• ARE THESE POTENTIAL BIOMARKERS USEFUL TO PREDICT THERAPEUTIC RESPONSES TO IMMUNOTHERAPY
• IMMUNOTHERAPY SHOWS EFFECT IN UP TO 50% OF PATIENTS
• IMMUNOTHERAPY WORKS SIMILARLY IN:
A) MCPyV+ CASES EXPRESSING VIRAL ANTIGENS B) MCPyV- CASES EXPRESSING HIGH NUMBER OF NEOEPITOPES (HIGH M.Is. AND UV SIGNATURES)
ACKNOWLEDGMENTS
IDIVAL
U.A. DE ONCOLOGÍA-HUMV
•Soraya Curiel-Olmo •Nerea Martinez
•Almudena García Castaño
S. ANATOMIA PATOLÓGICA-HUMV
•Ignacio Varela •Antonio Manuel Agraz-Doblas •Helena Pisonero
U. CANTABRIA-IBBTEC BIOBANCO HUMV-IDIVAL
•Laura Cereceda •Santiago Montes •José Revert
•Pablo Isidro-Marron
BIOBANCO-H. CENTRAL DE ASTURIAS
Contact information: Dr. José P. Vaqué: [email protected] Dra. Almudena García Castaño: [email protected] Dra. Carmen González-Vela: [email protected]
S. DERMATOLOGÍA, H12O:
•Pablo Ortiz-Romero •Carmen González-Vela
•Ivo Gut •Martha Gut •Sergi Beltrán •Sophia Derdak
CNAG-CRG S. DERMATOLOGÍA-IVO
•Beatriz LLombart
IARC-WHO
•Linnette Fernandez-Cuesta
UNIVERSITY OF GRAZ
•Lorenzo Cerroni
BIOBANCO IVO
•José A. López Guerrero
ESTADÍSTICA UC
•Miguel Santibáñez
FUNDACIÓN JIMÉNEZ DÍAZ
•Miguel Á. Piris
ACKNOWLEDGEMENTS
U.A. DE ONCOLOGÍA-HUMV
IDIVAL •Soraya Curiel-Olmo •Nerea Martinez
•Almudena García-Castaño
•Ignacio Varela •Antonio Manuel Agraz
BIOBANCO DE TUMORES SÓLIDOS,
HUMV-IDIVAL
•Laura Cereceda •Santiago Montes •José Revert
Contact information: Dr. José P. Vaqué: [email protected]
SERVICIO DE DERMATOLOGÍA, H12O:
•Pablo Ortiz-Romero
•Miguel Ángel Piris
S. ANATOMIA PATOLÓGICA-HUMV
•Carmen González-Vela
UC-IBBTEC • •Helena Pisonero
DIFFERENTIAL DIAGNOSIS OF MCC
» Small Cell Lung Cancer (SCLC) shares many cellular and tissular characteristics with MCC.
OVERLAPPING: Different neoplasms show similar characteristics in both clinic and morphology.
DIFFERENTIAL DIAGNOSIS
MCC: Cytokeratin 20 (CK20) expression.
However,
- 5 % of MCCs lack CK20 expression.
- Other cancers (i.e. colorectal) express CK20.
Interesting since it is possible that MCC data could be extrapolated to SCLC