Transfusion medicine changes of the paradigm
Transcript of Transfusion medicine changes of the paradigm
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Transfusion medicine –changes of the paradigm
Prof. Primož Rožman, MD, PhD
Blood Transfusion Centre of Slovenia
Ljubljana, 2010
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BTC
UniversityClinical Center
2500 beds7000 employees
300 employees
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Dr. Janez Plečnik (1875 - 1940)
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Contents – changes of the paradigms
EXPANSION OF TRANSFUSION MEDICINE 1990 - 20101
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3 SAFETY: NAT, pathogen inact., leukodepletion, haemovigilance
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CELLULAR THERAPIES, NEW PRODUCTS5
6 R&D PROJECTS & EXPERIENCES – BTC Ljubljana
MOLECULAR METHODS IN IMMUNOHAEMATOLOGY
ORGANISATION - LEGAL ASPECTS - TQM
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Contents
EXPANSION OF TRANSFUSION MEDICINE 1990 - 20101
2
3 SAFETY: NAT, pathogen inactivation, haemovigilance
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CELLULAR THERAPIES, NEW PRODUCTS5
6 R&D PROJECTS & EXPERIENCES – BTC Ljubljana
MOLECULAR METHODS IN IMMUNOHAEMATOLOGY
ORGANISATION - LEGAL ASPECTS - TQM
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CLASSICAL TRANSFUSION CHAIN
(VEIN – TO VEIN CONCEPT)
DONOR
BLOOD BANK
PATIENT
DONATION
PROCESSING
TESTING
APPLICATION
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GENETICS:
HUGO 2001
TM DEVELOPEMENT - 3rd MILLENIUM
CLASSICAL TRANSFUSION
MEDICINE Stem cell
transplantation
Cellular therapies& tissue engineering
Gene therapy
Recombinant
technologies
METABOLOMIC
Viral /bacterial
inactivation
Blood
substitutes
GENOMICS/
TRANSCRIPTOMICS
PROTEOMICS
Protein microarrays TOTAL QUALITY
MANAGEMENT
MOLECULAR BIOLOGY
METHODS
Personalized medicine
Ex-vivo expansion
Haemovigilance
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2020
2010
2000
1990
1980
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Blood transfusion = cellular therapy !!
Blood bank = tissue establishment !!
Definition of transfusion medicine:
2010:
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Contents
EXPANSION OF TRANSFUSION MEDICINE 1990 - 20101
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3 SAFETY: NAT, pathogen inactivation, haemovigilance
4
CELLULAR THERAPIES, NEW PRODUCTS5
6 R&D PROJECTS & EXPERIENCES – BTC Ljubljana
MOLECULAR METHODS IN IMMUNOHAEMATOLOGY
ORGANISATION - LEGAL ASPECTS - TQM
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CAUSES FOR THE CHANGES OF BLOOD
SUPPLY ORGANISATION
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• Globalisation
• Entering the EU – active partnership
European strategies – Lisboa declaration
• Laws, ethics – safety for every patient – EU
Directives on transfusion & cells/tissues
• New technologies
• Traffic and electronic communication
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8,980
41,029
312
11,414
4,457
4,240
4,179
2,914
2,776
1,409
4,769
Trbovlje
Ptuj
Ljubljana
Blood transfusion services in Slovenia– 2010
H
H
H
•Collecting• X-matching
•collecting•processing•testing • X-matching
•collecting•processing•testing •NAT testing• X-matching• X-matching
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Slovenian Red Cross
Blood donation in Slovenia is non-paid, voluntary and anonymous.
The Slovenian Red Cross organizes blood donation sessions with 56 local
organizations in the country.
Year 2004:
Slovenian Red Cross organized
1 070 blood donation sessions
323 on field collection sites
86 479 donations
First-time blood donors: 10 %
The Main Organizer of Blood Donation Sessions
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Strategija ZTM Ljubljana
okt. 2008 – jan. 2010
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KEY ELEMENTS FOR UNIFIED BLOOD
TRANSFUSION SERVICE IN SLOVENIA
• National blood supply policy
• National legislation – competent authority
• Information technology – national information
system • unified donor data base
• unified patient data base
• Telemedicine
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Aims / expected results of telemedicine
• Equality of expertize nationwide
• Standardisation of operations
• Quality of service and blood supply regimens for
the whole state
• Improvement of:
Sampling results, archives
Connection to the laboratory robots
Transparency of data bases
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Technical approach
+ teleconference
• High resolution
• Simple use
• Reproducible results
image capture
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Graphic interface 3
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Brežice
Before
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Brežice
After: teleconsultation network 2010
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Contents
EXPANSION OF TRANSFUSION MEDICINE 1990 - 20101
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3 SAFETY: NAT, pathogen inactivation, leukodepletion, haemovigilance
4
CELLULAR THERAPIES, NEW PRODUCTS5
6 R&D PROJECTS & EXPERIENCES – BTC Ljubljana
MOLECULAR METHODS IN IMMUNOHAEMATOLOGY
ORGANISATION - LEGAL ASPECTS - TQM
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DIAGNOSTIC WINDOW
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HIV
11 59 …
HBV
34 82 …
HCV
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0 25 50 75 100 DAYS
AFTER INFECTION
DIAGNOSTIČ
WINDOW DETECTION OF ANTIBODIES ANTI-HIV - EIA
10 PCR
DIAGNOSTIC WINDOW DETECTION OF HBsAg - EIA
25 PCR
DIAGNOSTIC WINDOW DET. ANTI-HCV - EIA
59 PCR
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NAT – nucleic acid testing in Slovenia
Since 2000 – HCV RNA PCR mini pools 48, Roche
COBAS Amplicor
Since 2007 – HCV, HBV, HIV – TMA method
(transcription mediated amplification), Chiron,
individual donor testing
Results:
2 HCV (window),
15 HBV (old occult HB infection),
0 HIV positive (in 100.000 donors per year)
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PATHOGEN REDUCTION / INACTIVATION
1. Solvent-detergent treatment
2. Chemicals + UV light: preventing replication/
transcription of nucleic acids, inactivation of bacteria
and viruses
methylene blue
riboflavin (vitamin B2) - Mirasol (CaridianBCT)
psoralen-based chemicals - Intercept (Baxter/Cerus)
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PATHOGEN REDUCTION/ INACTIVATION
Advantages:
Improved safety
Avoidance of bacterial detection
Prolonged storage
Precaution for emerging pathogens
Consistency with plasma
inactivation
Avoidance of irradiation
Disadvantages:
Loss of platelet count
Decrease of haemostatic platelet
function
No method is equally effective for
all organisms
Methods may be ineffective for
spore-forming organisms
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Council of Europe’s opinion on platelet PR
PR is positive – should not be blocked
clinical transfusion trials for PR products needed
implementation of PR technologies should be
considered country by country, in relation to the
risks of transfusion
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Pathogen reduction in Slovenia
2007 Decision – psoralen activation - InterceptBTC Medical board approvalDiscussion with cilinicians
2008 Buffy coat platelets productionAditive solution usagePremises adaptationDevices instalationStaff Training Intercept validationHV trainingRegulatory approval Domanović 2010
2009Clinical use
HV data collection
Pilot study of clinical effectivity
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Production process
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UNIVERSAL PRE-STORAGE LEUKODEPLETION
Improves preservation & storage
Reduced risks of:
febrile non-hemolytic reactions
transfusion associated infectious
diseases,
HLA sensitization, immunmodulation,
platelet refractoriness, transfusion
related GVHD
In Slovenia: from 2008 > all units are LD
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HEMOVIGILANCE
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Report of adverse reactions
to blood transfusion
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Hemovigilance data -SLO
Adverse
reaction2003 2004 2005 2006 2007 2008 2009
Haemolysis 2 2 5 3 3 3 0
GVHD 0 0 0 0 0 0 0
TRALI/pulm.
Oed.
0 0 /2 0/3 1/12 0/14 1/11 2
PTP 0 0 0 0 0 0 15
Alergy/anap
hylaxis
41/1 54/6 55/4 67/2 68/3 82/5 70/3
NHTR 53 68 66 92 89 91 75
Bact/vir 0 0 4 1/1 0/3 0 1/1
Hypotension 1 3
Dyspnea 2 1
Other 9 14 12 12 12 8 3
Together 107 146 149 191 192 204 174
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International Haemovigilance Network
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• Australia* Austria* Belgium* Canada* Croatia* Denmark* Finland* France* Germany* Greece* Iceland* Italy* Japan•* Ireland
* Luxembourg* Malta* Norway* Portugal* New Zealand* Slovenia* Singapore* Sweden* South Africa* Spain* Switzerland* The Netherlands* United Kingdom* USA
- favour exchange of valid information between the members of the Network
- increase rapid alert / early warning between the members of the Network
- encourage joint activities between the members of the Network
- undertake educational activities in relation to haemovigilance.
Objectives
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Contents
EXPANSION OF TRANSFUSION MEDICINE 1990 - 20101
2
3 SAFETY: NAT, pathogen inact., leukodepletion, hemovigilance
4
CELLULAR THERAPIES, NEW PRODUCTS5
6 R&D PROJECTS & EXPERIENCES – BTC Ljubljana
MOLECULAR METHODS IN IMMUNOHAEMATOLOGY
ORGANISATION - LEGAL ASPECTS - TQM
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Chromosomal localization
Rh1p34-36
H
9q34
HLA
GPIIa10p11.2
GPIV7q11
GPIa5q23.3
GPIc'
GPIb17p12
13 14 15 16 17 18 19 20 21 22 Y X
1 2 3 4 5 6 7 8 9 10 11 12
GPIIIa17q21-32
FcγRIIIb1q22
HNA AB0
HPA
Duffy1q22-q23
Kell7q33
Kidd18q11-q12
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Molecular methods
• PCR-RFLP
• PCR-SSP
• PCR-SSO
• hybridization
• real-time PCR – TaqMan
• sequencing
• microarrays
• high troughput screening
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RED CELLS
typing recently transfused or multitransfused patients
typing of patients with DAT+
resolving serological problems (weak D, partial D, acq.
phenotypes)
detection of weakly expressed Ag (Fyb-Fyx )
to distinguish allo- from autoantibody
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PLATELETS
• refractoriness to platelet transfusion
• neonatal alloimmune thrombocytopenia (NAIT)
• post-transfusion thrombocytopenia HLA/HPA
•neonatal alloimmune neutropenia (NAN)
• transfusion related acute lung injury (TRALI)
GRANULOCYTES
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Multitransfused patient – 1a
Original blood group: B; D-C+c+ E-e+; K-k+; Jk(a-b+); Fy(a+b+)02/B; Rh(d)/Rh(d); RhCe/Rhce; k/k; Jkb/Jkb; Fya/Fyb;
M/N; S/s
before transfusion
after transfusion
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Multitransfused patients – 1b
Original blood group: B; D-C+c+ E-e+; K-k+; Jk(a-b+); Fy(a+b+)02/B; Rh(d)/Rh(d); RhCe/Rhce; k/k; Jkb/Jkb;
Fya/Fyb; M/N; S/s
- after 2. tr. event received 22 blood units- nonidentical units:
- 20x D+- 10x C-- 4x c-- 10x E+- 1x e-- 3x K+- 17x Jk(a+)- 7x Jk(b-)- 8x Fy(a-)- 5x Fy(b-)
before transfusion
after transfusion
control product
434 bp
specific product
bp
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Contents
EXPANSION OF TRANSFUSION MEDICINE 1990 - 20101
2
3 SAFETY: NAT, pathogen inactivation
4
CELLULAR THERAPIES, NEW PRODUCTS5
6
7
R&D PROJECTS & EXPERIENCES – BTC Ljubljana
MOLECULAR METHODS IN IMMUNOHAEMATOLOGY
ORGANISATION - LEGAL ASPECTS - TQM
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CELLULAR THERAPY
= transplantation of cells to replace/repair
damaged tissue and/or cells
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Sources of cells:
• Hematopoietic progenitor cells (HPCs)
• Tissue stem cells.
• Embryonic stem cells/ iPSCs
• Ex vivo manipulated cells (DCs, CTLs, NKs, etc)
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SOURCES OF THE STEM CELLS
Embrio
Odrasli
Fetus
Placenta
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CLINICAL USE OF SCs
1. Haematological, genetic, malignant diseases
BM transplantation 1958
HSC from peripheral blood 1980ies
HSCs from UCB 1989
2. Regenerative medicine
Heart
Liver
CNS
Bone, cartilage, etc. . . . .
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TYPES OF CELLS THAT CAN BE
USED FOR CELLULAR PURPOSES
IN BLOOD TRANSFUSION
1. Haematopoietic stem cells
2. Tissue stem cells
3. Embryonic stem cells
4. Ex vivo manipulated cells
5. In vitro cultivated cells
6. New generation SCs: iPS, transdiff.Cs
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SOURCES:•Bone marrow
•Umbilical cord blood,
•Peripheral blood stem cell transplants
DIAGNOSES: •genetic disorders,
•leukemia and
•certain forms of cancer,
•CV diseases (CVI, MI, myocardiopathy, etc.)
• diseases of other organs/tissues
HAEMATOPOIETIC STEM CELLS
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TISSUE STEM CELLS
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SOURCES:
•Mesenchymal stem cells (BM, adipose tissue)
DIAGNOSES:
• rebuilding damaged cartilage in joints,
•repairing spinal cord injuries,
•autoimmune diseases (Mb Crohn, MS, …)
•neurological disorders
• several clinical trials going on
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EMBRYONIC STEM CELLS/ iPSCS
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SOURCES:
•Human blastocysts, IVF procedures
•iPSCs
DIAGNOSES:
•Many
•Experimental stage, few clinical trials only
•Geron trial 2009 on spinal chord injury
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EX VIVO MANIPULATED IMMUNE CELLS
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SOURCES:
•BM, PB
ADOPTIVE/ SELECTIVE IMMUNOTHERAPY
•dendritic cells (DCs),
•cytotoxic t lymphocytes (CTLs)
•natural killer cells (NKs)
DIAGNOSES:
• Cancer
• Autoimmune disease
• Several clinical trials going on
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IN VITRO CULTURE OF BLOOD CELLS
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SOURCES:
•BM, PB, UBC
RED CELLS
PLATELETS
IMMUNE CELLS
•dendritic cells (DCs),
•cytotoxic t lymphocytes (CTLs)
•natural killer cells (NKs)
DIAGNOSES:
•
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Contents
EXPANSION OF TRANSFUSION MEDICINE 1990 - 20101
2
3 SAFETY: NAT, pathogen inactivation
4
CELLULAR THERAPIES, NEW PRODUCTS5
6
7
R&D PROJECTS & EXPERIENCES – BTC Ljubljana
MOLECULAR METHODS IN IMMUNOHAEMATOLOGY
ORGANISATION - LEGAL ASPECTS - TQM
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Microscope in hood
Introduction to Human Embryonic Stem Cell Culture MethodsCopyright @ 2003 WiCell Research Institute, Inc
A static enclosure, dedicated to removing colonies, is essential. A dissecting scope will fit inside
nicely after the creation of an opening, which theeyepieces can fit through.
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RESEARCH PROGRAMME 2008-2011
1. TITLE: HUMAN STEM CELLS – ADVANCED
CELL THERAPY
2. LEADER: Ass.Prof.Primož Rožman, MD, PhD
3. PERFORMERS
0311 Blood Transfusion Centre of Slovenia, Ljubljana
0312 University Medical Centre, Ljubljana– Department of Haematology (dr. Samo Zver),
– Department of Gastroenterology (prof. dr. Borut Štabuc),
– Department of Surgical Infections (prof. dr. Dragica Smrke)
– Department of Orthopaedic Surgery (dr.Vane Antolič)
7421 EDUCELL Ltd, Cell Therapy Service, Ljubljana
4. ANNUAL RESEARCH HOURS: 3650
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ESC
New: Pluripotent SC in adult?
D ESC-A
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ESC-A IN THE OVARIAN ENDOTHELIUM?
Virant Klun,
Rožman et al.
2008
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Clinical study: The healing of hard-to-heal fractures of long bones by growth factors/autologous SCs from BM. (+ Department of Surgical Infections).
Background: platelet GFs induce in SCs an increase of bone formation.
Design: treatment with GFs/ SCs mixture. Prospective study in 20 patients.
Evaluation: The success rate in two groups of patients.
Expected results: A statistically improved healing of fractures in patients receiving the SC/platelet gel grafts.
3. Differentiation of SCs into the bone
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Platelets: various growth factors are
contained in the platelet gel
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Composite graft
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A) Predoperativno
B) Postoperativno – 12 m.
Bones
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Clinical study: Modulation of immune response in pts. with tubular adenoCa of pancreas. Coll. with Dept. of Gastroenterology
Background: the Tx of allogeneic MNCs (the GVT effect) which are death-programmed in order to prevent the GVHD effect but retain the GVT effect.
Design: 15 x 2 patients, conditioning with CS, appl. f modified allogeneic MNCs.
Expected results: extended OS and quality of lifeGenomics, proteomics, transcriptomics: explane underlyingmechanisms
4. Cellular immune therapy of solid tumours
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The idea: to enhance the normal anti-Tu immunity
Tumour specific
regulatory T-cells
REMOVE
GVHDGVL-GVT
TUMOUR
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Programme team (consortium):
The team has been working together > 10 years
Novel technologies and more than 10 working places created
>180 patients successfully treated using advanced cellular therapies
Collaboration:
Columbia University (3 researchers currently in New York)
Newcastle University (1 researcher)
Imperial College London (prof. Habib)
King´s college London (prof. S.Minger)
Continuity: ARRS
7 ongoing projects
11 closed projects
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CONCLUSION: TRANSFUSION MEDICINE -
GLOBAL CHANGE OF PARADIGM
1. Provision of blood products, donor recruitment, blood banking
2. Hemotherapy – clinical TM
3. Transplantation, histocompatibility, immunology
4. Other therapies: biotechnology, advanced therapies
(cellular th., gene th., tissue eng.)5. Laboratory diagnostics related to blood transfusion/transplantation
6. Acompanying activities:National registries of bone marrow donors
Biobanking – Umbilical Cord Blood Bank, Tissue Bank, Organ Bank
Prenatal program for HDN prevention
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FUTURE OF NIGHT SHIFTS
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University Clinical
Centre, Ljubljana
Dragica Smrke
Borut Gubina
Irma Virant Klun
BTC of Slovenia
Dragoslav DomanovićMiomir KneževićMatjaž Jeras Tadeja DovčMarko StrbadElvira MaličevPolona KlemencMetka KrašnaAna TomšičMojca JežPrimož PoženelUrška Tajnšek