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Tumori rari come modello di studio per la medicina traslazionale: il caso del carcinoma renale
Tumori rari come modello di studio per la medicina traslazionale: il caso del carcinoma renale
Università degli Studi di Foggia
il caso del carcinoma renaleil caso del carcinoma renale
Elena RanieriElena Ranieri
Cattedra di Patologia Clinica
Dipartimento di Scienze Biomediche
Torino, 21.1.2010
The concept of rarity
‘Rare diseases are life threatening or chronically
debilitating diseases with a low prevalence (less than
1/2000 people) and a high level of complexity.
Most of them are genetic diseases, the others being
rarerare cancerscancers, auto immune diseases, congenital
malformations, toxic and infectious diseases among
other categories '
Characteristics of rare diseases � The European Organization for Rare Diseases (EURORDIS)
estimates that there exist between 5,000 and 7,000 distinct
rare diseases.
� The onset of the disease occurs in childhood for 50% of rare
diseases.
� Rare diseases are veryvery difficultdifficult toto managemanage: families
encounter enormous difficulties in finding adequate
treatment.
Patient and
parent
organization
Fight for recognition
Etiology Etiology
Scientific and
biomedical
research
Pharmaceutical
research and
development
Molecular Pathogenesis
TreatmentTreatment
Public health
authorities
Renal Cell Carcinoma : a Model of StudyRenal Cell Carcinoma : a Model of Study
� Renal cell carcinoma accounts for approximately
3% of adult malignancies and is the sixth leading
cause of cancer death
� Renal cell carcinoma may remain clinically occult
for most of its course. The classic triad of flank
pain, hematuria, and flank mass is uncommon
(10%) and is indicative of advanced disease.(10%) and is indicative of advanced disease.
� 25-30% of patients are asymptomatic, and their
renal cell carcinomas are found on incidental
radiologic study
� It is characterized by, resistance to radiation and
chemotherapy, and infrequent but reproducible
responses to immunotherapy agents such as
interferon alpha and interleukin-2.
Renal Cell Carcinoma Renal Cell Carcinoma
�RCC belongs to a small group of cancers where immune-
mediated mechanisms play important roles in limiting tumor
growth.
�Patients with active, disseminated disease are typically�Patients with active, disseminated disease are typically
characterized by predominant Th2- or T regulatory-type
immunity
�RCC lesions contain tumor-infiltrating lymphocytes reported to
be “functionally inappropriate”, dysfunctional or pro-apoptotic
Tatsumi, T., Kierstead, L.S., Ranieri, E., Gesualdo, et al, J Exp Med, 2003
Renal Cell Carcinoma (RCC)Renal Cell Carcinoma (RCC)
In RCC spontaneous tumor regression can be observed,
although in rare cases, in metastatic disease.
This suggests that RCC expresses tumor antigens
specifically recognized by T cellsspecifically recognized by T cells
ImmuneImmune mechanismsmechanisms playplay aa rolerole inin limitinglimiting tumortumor growthgrowth
Finke J., L.S. Kierstead, E. Ranieri, W.J. Storkus, Humana Press, 2000
Mechanisms of tumor evasionMechanisms of tumor evasion
Mapara MY et al J Clin Oncol, 2004
Mediators of Immune DefenseMediators of Immune Defense
adaptive
Antibodies T-Lymphocytes Macrophages
NK cellsCytokines
innate
Dendritic CellDendritic Cell
B
Antibodies T-LymphocytesNK cells
Cytokines
NK
Th
CTL Treg
Tumor
Study Design
� DC specific T cell immune Response
� Identification of immunogenic RCC cell lines
� Immunotherapy
� Biomarkers identification
� Diagnosis/monitoring of disease
Dendritic cells and immune responsesDendritic cells and immune responses
DENDRITIC CELL BIOLOGYDENDRITIC CELL BIOLOGY
DCs are the most potent antigen-
presenting cells that play a central
role in coordinating human
immunity
They comprise different subsets atThey comprise different subsets at
different stage of maturation
They have potential advantages as
cellular adjuvants for
immunotherapy strategies
Lym
ph
ocy
te m
igra
tio
n
CD8
TAAs
Tumor cellsTumor Antigens
Immune attack against
the tumor
Antigen cross-presentation and T cell immune response
Lym
ph
ocy
te m
igra
tio
n
DC migration
Dendritic cell
Activated/Mature DCCD8
CD4
Lymph node
CD4
RCC :RCC : from where we started….from where we started….
� RCC Cell Lines Characterization to obtain the most immunogenic RCC line:
60 RCC lines: 10% (5-6 RCC lines).
250
300
350
Sp
ot
nu
mb
ers
/10
0.0
00
T c
ell
s
IFNγγγγ Elispot Assay
0
50
100
150
200
NA T0
NA T0 + DC LYS
NA T0 + DC LYS + Ab I
NA T0 + DC LYS + Ab II
NA T0 + TU
NA T0 + TU + Ab I
NA T0 + TU + Ab II
NA T21
NA T21 + DC LYS
NA T21 + DC LYS + Ab II
NA T21 + DC LYS + Ab I
NA T21 + TU
NA T21 + TU + Ab II
NA T21 + TU + Ab I TU
DC + LYS
Sp
ot
nu
mb
ers
/10
0.0
00
T c
ell
s
ELTHEM cell line
(A) Real Time-PCR of tumor markers (OFA, CE,
hTERT, Ruas) and interleukin-6
(B) Microsatellite instability (MSI) and loss of
heterozygosity (LOH)
(C) Immunocytochemistry (CAM 5.2, the
mitochondrial markers, the vimentin,
cytokeratin AE1/AE3, cytokeratin 19, EGF-R, the
EMA, CD10 and Ki 67)
A
B
C
(A) Mixed Lymphocytes Tumor
cell Cultures Cytotoxicity test of
CD8+ T lymphocytes against
autologous ELTHEM clone (60%
lysis, E / T = 60:1).
ELTHEM cell line
A
B (B) ELISPOT test for IFNγγγγrelease. The block of the
response of class I test shows
the 91% specificity.
MW150 KDa
A B
ELTHEM proteomic profile
(A) Representative 2-DE map of proteins extracted from ELTHEM clone
(B) Biological function and (C) localization of identified protein.
10
3 10 pH
C
Therapeutic vaccines based on the use of autologous
dendritic cells as natural cellular adjuvants
Peripheral Blood
Cytokines
Dendritic Dendritic
Re-infusion
RCC AntigenRCC Antigen
Dendritic Dendritic
CellCell
Patent : Linea cellulare di carcinoma renale e suo uso". Brevetto Industriale N. MI2005 A002018 (21.10.05).
Inventors: EE.. RanieriRanieri, L. Gesualdo, W. Herr, M. Battaglia.
International Patent : PCT/EP2006/06763, 20.10.06
DC MONITORINGDC MONITORING
DC phenotyping In RCC tissue and lymph nodes
Immunity induction
cancer, infectivedisease
Tolerogenicity
Induction
Transplant, autoimmunity,
allergy
RCC PATIENT
DC Phenotyping in Peripheral Blood
DC subsets analysis by IHC
Human DendriticHuman Dendritic cellscells
DC comprise two subsets functionally and phenotypically different:
Myeloid DCsMyeloid DCs• BDCABDCA--11++/BDCA/BDCA--33++
•• potent stimulators of T lymphocytepotent stimulators of T lymphocyte
•• IL-6, IL-12p70, IL-10, TNF-α production
Plasmacytoid DCsPlasmacytoid DCs
•• BDCABDCA--22++/BDCA/BDCA--44++
•• generate a Th2 responsegenerate a Th2 response
•• impressive producers of IFNimpressive producers of IFN--α α in viral in viral
infectioninfection
Dendritic cells analysis in RCC peripheral bloodDendritic cells analysis in RCC peripheral blood
15000
20000
25000
30000
35000N
° cel
ls/m
L of
per
iphe
ral b
lood
BDCA1
BDCA2
P<0,01
A significant decrease (p<0,01) in the percentage and in the absolute number
of myeloid DC and plasmacytoid DC subsets are observed in RCC pts compared
with healthy controls
0
5000
10000
15000
Normal RCC
N° c
ells
/mL
of p
erip
hera
l blo
od
BDCA3
Gigante M. et al, Mol Immunol. 2009Gigante M. et al, Mol Immunol. 2009
RCC
Plasmacytoid DCMyeloid DC
Dendritic cells analysis in RCC tissueDendritic cells analysis in RCC tissue
Healthy
A significant increase of myeloid DC and plasmacytoid DC infiltrate in RCC biopsies
compared to normal kidneys (p<0.001)Gigante M., Ranieri E et al, Mol Immunol. 2009Gigante M., Ranieri E et al, Mol Immunol. 2009
Dendritic Cells distribution in RCC lymph nodesDendritic Cells distribution in RCC lymph nodes
A significant decrease of mature DC (CD11c+, CD83+) infiltrate in RCC lymph
nodes compared to normal (p< 0.001)
RCC Normal
Green:: CD11c-FITC
Red: CD83-TRITC
02468
10121416
PATIENTS CONTROLS
CD
11c+
/CD
83+
cells
/hp
f
*
Gigante M. Ranieri E et al, Mol Immunol. 2009Gigante M. Ranieri E et al, Mol Immunol. 2009
Mechanism of Action
Immature DC
Lymphoid tissue
DC subsets
Peripheral blood
Immature DC
Peripheral Lymphoid tissuePeripheral blood Peripheral
tissues/Cancer
IFNIFN--αααααααα--conditioned DCconditioned DC
� IFN-αααα is an important adjuvant for the development of
DC-based vaccines with high clinical efficacy.
� IFN-αααα potently enhances both T cell and antibody
responses and promote immunological memory by direct
action on DC.
IFNIFN--αααααααα--conditioned DC preferentially stimulate Typeconditioned DC preferentially stimulate Type--1 and 1 and limit Treglimit Treg--type type in vitroin vitro T cell responses in RCC patientsT cell responses in RCC patients
IFNIFNαααααααα DCDC ::
� promoted significantly stronger Tc1
effector T cell responses than cytokine
cocktail-matured DC as revealed by
IFN-γγγγ ELISPOT assay
� were more efficient in inducing the40
50
60
70
80
∗
∗
p = 0.022
IFN-DCmDC� were more efficient in inducing the
generation of suppressor CD8+ T cells
than mDC
� induced a lower expansion of Treg
cells than mDC
� IFN-αααα-conditioned DC may be candidates for use in novel
therapeutic vaccines in the setting of RCC
Gigante M., Ranieri E. J. Immunother 2008
0
10
20
30 ∗
MAGE-6 EphA2 SEB
mDCααααDC1
Look Into the FutureLook Into the Future
DC-based vaccine is still a promising emerging treatment option
for patients with RCC
RCCCD8CD8++
T cellT cell
IL-2R
CYTOKINESCell Cycle
CD8CD8++ T cell T cell –– RCC InteractionRCC Interaction
CYTOKINES
INTRACELLULAR SIGNALING
APOPTOSIS
Cell Cycle
In vitroIn vitro CD8CD8++ T cells Response analysisT cells Response analysis
Donor PBL
Tumor cellsResting T cellResting T cell
Patient PBLMatched
HLA
AUTOLOGOUS SYSTEM ALLOGENEIC SYSTEM
Tumor cells
CD8+
T responders
Phenotypical study
Gene expression profilingGene expression profiling
Mutational screening of target genes
Annexin-V
80
% A
popt
otic
Cel
ls
28%12%
CD8+ T cells at Day 0CD8+ T cells at Day 0 CD8+ T cells at Day 35CD8+ T cells at Day 35
TC
RC
C
61% 33%
APOPTOSISAPOPTOSIS
01020304050607080
TC CD8+
T ce
lls
Donor-2
CD8+
T c
ells
Donor-3
CD8+
T ce
lls
% A
popt
otic
Cel
ls
T0
T35* *
**
6%
8%
17%
7%
Don
or -
2D
onor
-3
7%
5% 14%
28%
Gene expression profiling and data analysisGene expression profiling and data analysis
Comparison of gene expression in normal subjects activated T cells versus RCC
CD8+ T cells demonstrated numerous differential expressed genes involved in
proliferation, cell cycle and apoptosis associated to phenotypic and functional
changes in responder T cells
JAK3 dysregulation MCL-1 dysregulation
p18 ink
MCL1E2F4
CdK6
JAK3
PD-1 CdK4 p27kip1
-5
-4
-3
-2
-1
0
1
2
3
4
Fold
chan
ge
in g
ene
expre
ssio
n
�RCC�Donor-2�Donor-3
MCL-1 dysregulation
RCC Anti-Apoptosis Network
Ingenuity Pathways Analysis (IPA) (Ingenuity® Syste ms, www.ingenuity.com)
miRNA analysis in CD8miRNA analysis in CD8 ++ T cellsT cells
2.0
3.0
4.0
B
RQ
miR
-198
* *
RQ
miR
-29b
A
1.5
2.0
2.5
*p< 0.003 p< 0.036
microRNAs (miRNAs) are short non-coding RNA molecules playing regulatory roles by
repressing translation or cleaving RNA transcripts. Abnormalities in miRNA activity, that has
critical functions during normal development and cellular homeostasis, contribute to human
disease pathogenesis such as cancer
E. Ranieri et al.
1.0
JAK3JAK3 MCLMCL--11
LYMPHOCYTELYMPHOCYTETCR TCR
IL-2
RCC and Immunity: Mutational Screening of JAK3 gene RCC and Immunity: Mutational Screening of JAK3 gene in RCC Patientsin RCC Patients
The Janus family kinases (Jaks), Jak1,
Jak2, Jak3, and Tyk2, form one
subgroup of the non-receptor protein
tyrosine kinases.
They are involved in cell growth,
survival, development, and
differentiation of a variety of cells3 3
differentiation of a variety of cells
but are critically important for
immune cells and hematopoietic
cells.
Jaks exert their effect is through the
activation of a relatively small
number of latent, cytosolic DNA-
binding proteins term the Signal
Transducers and Activators of
Transcription (STATs).
Ghoreschi K et al. Janus kinases in immune cell signaling. Immunol Rev. 2009
�� 5050 ItalianItalian patientspatients RCCRCC
werewere enrolledenrolled andand aa
mmutationalutational analysisanalysis ofof
JAKJAK33 genegene waswas
performedperformed..
�� pJAKpJAK33/pSTA/pSTATT55
interactioninteraction waswas
studiedstudied onon TT--cellscells byby
ConfocalConfocal MicroscopyMicroscopy..
RCC and Immunity: Mutational Screening of JAK3 gene
in RCC Patients
ConfocalConfocal MicroscopyMicroscopy..
RESULTS: 4 missense mutations were identified in the coding region of JAK3 gene; three
of these have not been previously described and are completely absent in control
population. All mutations were present in heterozygous status in 7 different RCC patients.
p.Ala677Thrp.Ala677Thr
p.Arg925Serp.Arg925Serp.Gln13Lysp.Gln13Lys
RCC and Immunity: Mutational Screening of JAK3 gene RCC and Immunity: Mutational Screening of JAK3 gene
in RCC Patientsin RCC Patients
•Green : JAK3 –FITC
•Red : STAT5-TRITC
Schematic JAK3 structure, previously described variants and novel mutationsSchematic JAK3 structure, previously described variants and novel mutations
Confocal microscopyM. Gigante, E. Ranieri
SUMMARY I
Immune system :
� DC are less effective and sequestered in diverse districts
� CD8+ T cells are prone to apoptosis
� CD8+ T cells gene expression is alterated
� Jak3 and MCL-1 are downregulated
� Jak3 shows mutations� Jak3 shows mutations
Answers :
� IFNα α α α DC induce robust T cell response
� MIR regulate CD8+ T cells functions
� Immune therapy
� MIR therapy
Mediators of Immune DefenseMediators of Immune Defense
adaptive
Antibodies T-Lymphocytes Macrophages
NK cellsCytokines
innate
Dendritic CellDendritic Cell
B
Antibodies T-LymphocytesNK cells
Cytokines
NK
Th
CTL Treg
Tumor
Study Design
� Identification of immunogenic RCC cell lines
� Immunotherapy
� Biomarkers identification
� Diagnosis/monitoring of disease
� Clinical proteomics is a promising new analytic discipline with the
following main aims:
� discovery of biomarkers allowing early and appropriate detection,
therapeutic monitoring of diseases
Why proteomics…
� development of new non-invasive diagnostic tests and procedures
� identification of protein targets for the development of new
mechanistic intervention therapies with the promise of an
improved clinical outcome
5000 7500 10000 12500
0
5
10
15
20
20
30
SELDI- TOF PLATFORM
Control
CM10, Q10, IMAC30 e H50
5000 7500 10000 12500
0
10
20
0
5
10
••TheThe basicbasic principleprinciple ofof thisthis approachapproach isis thethe selectiveselective bindingbinding ofof
proteinsproteins andand peptidespeptides toto specificspecific chromatographicchromatographic surfacessurfaces thatthat
allowsallows toto visualizevisualize themthem asas massmass peakspeaks
•• TheThe overalloverall numbernumber ofof massmass peakspeaks ofof aa biologicalbiological samplesample
definesdefines itsits massmass spectraspectra
Pathological
Pathological
Profiling RCC tissue Vs controls Urine Profiling RCC Pre Vs
Post nephrectomy
Experimental Design
Differential Peaks List
Common differential Peaks(putative RCC biomarkers)
Differential Peaks List
Urine Profiling RCC Pre Vs
Post nephrectomy
Profiling RCC tissue Vs controls
Experimental Design
Differential Peaks List
Common differential Peaks(putative RCC biomarkers)
Differential Peaks List
METHODSSamples: 71 urines
• 13 urine samples pre- (group 1) e post- surgery of RCC patients
• 24 urine samples pre-surgery of RCC patients (group 2)
• 21 urine samples of controls
Sampling Morning spot harvested in
sterile device
Statistical AnalysisStatistical analysis by software
ProteinChip DataManager® 3.5
Identification of mass peaks
differentially expressed (p-value < 0.05
by Mann-Whitney test )
Protein Profile
Urine profiling (10 μg) by
ProteinChip (chromatographic
cationic exchange surface,
CM10).
Sample preparationFiltration, centrifugation (3000
x g per 5 min) and protein
assay (Bradford method).
VALIDATION OF POTENTIAL BIOMARKERS IN PREVALIDATION OF POTENTIAL BIOMARKERS IN PRE--SURGERY RCC URINES SURGERY RCC URINES versus SECOND GROUP OF PREversus SECOND GROUP OF PRE--SURGERY RCC PATIENTSSURGERY RCC PATIENTS
5000 10000 15000 20000
0
25
50
75
uA RCC pre
Group 10
0
25
50
75
uA
0
25
50
75
uA
5000 10000 15000 20000
RCC pre
Group 2
RCC post
Mass Peaks differentially expressed by comparing
pre G1 vs pre G2 vs post G1
Mass p-valuePre-surgery Vs post-surgery Trend
fold change
12598 0.002307863 Ridotto 2.5
9746 6.72E-04 Ridotto 1.1
22562 0.001210767 Ridotto 1.6
5695 0.005926072 Ridotto 1.9
5383* 0.006141185 Ridotto 2.1
11947 0.006261136 Ridotto 1.6
8301 0.1611726746 Perde significatività -
10964 0.031735343 Ridotto 1.4
3032 0.2882668265 Perde significatività -
11778 0.0599209846 Perde significatività -
11071 0.0991819341 Perde significatività -
8841 0.02818751 Ridotto 1.4
14519 0.012876043 Aumentato 0.6
4123* 0.036011334 Aumentato 2.5
8050 0.009579068 Aumentato 0.5
4180 0.026023491 Aumentato 0.7
4014 0.048340941 Perde significatività -
7657 0.008265548 Perde significatività -
14029 0.02001241 Aumentato 0,7
7539 3.65E-04 Aumentato 0,4
7912 0.011900212 Aumentato 0.2
5000 10000 15000
0
100
200
uA
200
RCC pre-
surgery
RCC post-
Evaluation of Urinary RCC Biomarkers versus Control s
0
100
uA
0
100
200
uA
5000 10000 15000
CTRL
RCC post-
surgery
Mass Peaks differentially expressed by comparing
urine Pre-Surgery (G1+ G2) vs urine Post-Surgery vs CTRL
Mass p-value Pre-surgery Vs post-surgery TendPre-surgery vs CTRL Trend fold change
12598 0.002307863 Ridotto Aumentato 0.6
9746 6.72E-04 Ridotto Perde significatività 1.3
22562 0.001210767 Ridotto Ridotto 2.3
5695 0.005926072 Ridotto Aumentato 0.3
5383* 0.006141185 Ridotto Aumentato 0.6
11947 0.006261136 Ridotto Perde significatività -
8301 0.1611726746 Perde significatività Perde significatività -
10964 0.031735343 Ridotto Ridotto 2.110964 0.031735343 Ridotto Ridotto 2.1
3032 0.2882668265 Perde significatività Perde significatività -
11778 0.0599209846 Perde significatività Perde significatività -
11071 0.0991819341 Perde significatività Perde significatività -
8841 0.02818751 Ridotto Perde significatività -
14519 0.012876043 Aumentato Ridotto 2.1
4123* 0.036011334 Aumentato Aumentato 2.5
8050 0.009579068 Aumentato Perde significatività -
4180 0.026023491 Aumentato Perde significatività -
4014 0.048340941 Perde significatività Perde significatività -
7657 0.008265548 Perde significatività Perde significatività -
14029 0.02001241 Aumentato Perde significatività -
7539 3.65E-04 Aumentato Comparabili 0,1
7912 0.011900212 Aumentato Perde significatività -
0
5
10
15
20
25
30
35
40
22562 10964 4123 5695 5383 12598
CTRL
BeforeAfter
Inte
nsità
med
ia (
nJ)
*
*
** *
*
*
*
*
BIOMARKERS IDENTIFICATION OF PUTATIVE CLINICAL INTEREST
17500 20000 22500 25000
17500 20000 22500 25000
10900 11000 11100
10900 11000 11100
4050 4100 4150
4050 4100 4150
RCC pre-intervento
RCC post-intervento
CTRLs
22562 10964 4123 5695 5383 12598
Molecular Mass (m/z)
11000 12000 13000 14000 15000
11000 12000 13000 14000 15000
5375 5400 5425 5450
5375 5400 5425 5450
5700 5800
5700 5800
RCC post-intervento
RCC pre-intervento
CTRLs
5695 m/z 5383 m/z 12598 m/z
22562 m/z 10964 m/z 4123 m/z
Inflammatory and
remodelingProteins?
Biomarkers?
Profiling RCC tissue Vs controls Urine Profiling RCC Pre Vs
Post nephrectomy
Experimental Design
Differential Peaks List
Common differential Peaks(putative RCC biomarkers)
Differential Peaks List
Inte
nsità
med
ia (
nJ)
*
*
** *
*
*
*
*
EVALUTATION OF PUTATIVE RCC URINARY BIOMARKERS IN TISSUES
URINE TREND
0
50
100
150
200
250
300
22565 10964 4123 5695 5383 12598
Mass peaks(m/z)
Inte
nsity
(nJ
)
TEX CTRL
TEX RCC
Mass peaks (m/z)
Loss of Significance in normal tissue vs tumor tissue
Identified urinary Biomarkers resulted
indirectly indirectly associated to RCC
Do RCC specific biomarkers (in parallel reduced or increased in
tissues and urine) exist?
TREND
Mass (m/z) RCC Tissue Urine pre-Surgery
12494.65 Reduced Reduced
10444.72 Increased Increased
The Magnificent “7”
13463 Reduced Reduced
9635.855 Reduced Reduced
12302.01 Reduced Reduced
7622.687 Increased Increased
7760.241 Increased Increased
p-value < 0.05
Urine Tissue
Peak Trend 12494 m/z
Pre-surgery Post-surgery Control Tumor
p-value < 0.05
Urine Tissue
Peak Trend 10.444 m/z
Control TumorPre-surgery Post-surgery
p-value < 0.05
Coming soon applications
Direct sequencing of differently expressed mass peaks through
Lucid™ ID Identification kit
Direct sequencing of differently expressed mass peaks through
MALDI-TOF/MS/MS interfacing
Summary II
� SELDI profiling allowed rapid screening of 71 urinary samples of
pre- and post-surgery RCC patients and of 26 proteic extracts from
controls and tumor tissues.
� A set of 7 mass peaks differentially expressed in RCC tissues has� A set of 7 mass peaks differentially expressed in RCC tissues has
been identified in pre- and post-surgery urines of RCC patients.
� Biomarkes identification and set up of specific multi-parametric
diagnostic kits might allow rapid and early, and of note, non
invasive diagnosis of RCC
� Etiology
� Alterations :
• Immune system
– DC and T cells
» Antigens
» Biomarkers
Renal Cell Carcinoma as Model of Study
» Biomarkers
» Diagnosis
» Adjunctive Therapy
� Perspectives:
• Application of the model to other pathologies
• Clinical intervention
Research is the Spring of Future…..Research is the Spring of Future…..
Van Gogh
University of FoggiaUniversity of FoggiaProf. L. GesualdoProf. L. Gesualdo
Margherita GiganteMargherita Gigante
Massimo PapaleMassimo PapaleMaria Teresa RocchettiMaria Teresa RocchettiPaola PontrelliPaola PontrelliMilena GiganteMilena GiganteAnnalisa SchirinziAnnalisa SchirinziGiuseppina CerulloGiuseppina Cerullo
University of BariUniversity of Bari
Prof. F.P. SchenaProf. F.P. Schena
Prof. M. BattagliaProf. M. Battaglia
Prof. G. GrandalianoProf. G. Grandaliano
Gianluigi ZazaGianluigi Zaza
Giuseppe CastellanoGiuseppe Castellano
Acknowledgments
University of Pittsburgh, University of Pittsburgh,
School of Medicine, PA, USASchool of Medicine, PA, USA
Prof. W.J. StorkusProf. W.J. StorkusGiuseppina CerulloGiuseppina CerulloClelia PrattichizzoClelia PrattichizzoLucio MontemurnoLucio MontemurnoLea RocaLea RocaStefano NettiStefano Netti
Hematology and Oncology, Johannes Gutenberg, Hematology and Oncology, Johannes Gutenberg,
University of Mainz, GermanyUniversity of Mainz, Germany
Prof. W. Herr