stem cell research - tallinna tervishoiu kõrgkool · cell research (escr) ... host of quality...
TRANSCRIPT
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SStem cellstem cells and cellular therapiesand cellular therapies::from research to from research to clinicclinic
JJaanis nis AncAncaansns, PhD, PhDFaculty of BiologyFaculty of BiologyUniversity of LatviaUniversity of Latvia
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Our cells
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Human body originates from one “stem cell”
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Conventional drugs
Long history of applicationCan have profound effectsRegeneration of cells/ tissues...?
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Biologics: mimic some of cell/ tissue functions
Insulin (1923; 1982)Growth HormonemAbs (anti TNF-alpha etc.)
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Transfusion/transplantation(cell therapy)
Blood transfusion (Pope Innocent VIII , 1492; Harvey17th cent.; 1818 Dr. James Blundell )Organ transplantationsPancreatic islet transplantation
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Stem cell therapy
Bone marrow transplantation (1959; 1968- Minneapolis)Hematopoietic stem cell transplantation (HSCT)Cord blood stem cell transplantation (1989)Stem cells - CD34+ , MSC, neuronal
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StemStem cell cell therapytherapy
Too much hype, incorrect perceptionToo much hype, incorrect perceptionNew & very experimental field of New & very experimental field of therapytherapyClinical application are limited Clinical application are limited Currently no alternatives for Currently no alternatives for regeneration of cell/ tissues functionsregeneration of cell/ tissues functionsLong term solution for health problemsLong term solution for health problems
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May 8 2008
Osiris Receives Approval for Use of ProchymalTM
Under FDA Expanded Access Treatment Program
Decision makes investigational stem cell treatment available to critically ill children
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Classification of stem cellsClassification of stem cells
hESChESC lines lines ((human embryonic stem human embryonic stem cell linescell lines))FFetaletal tissuetissuess/ cell lines/ cell linesCCordord blood blood (CB) (CB) AAdultdult// somaticsomatic SCSC ((aautologousutologous,,aallogenicllogenic))
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Concept of Concept of stem stem cell cell ““potencypotency””
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hESChESC ((human emryonic stem cellshuman emryonic stem cells))
©2007 Nature Publishing Group
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hESChESC
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Copyright ©2007 AlphaMed Press
Coleman, B. et al. Stem Cells 2007;25:2685-2694
Pluripotency
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ElElixirsixirs of eternal youth...of eternal youth...
Undefined biological preparation with no evidence of therapeuticeffect. Possible side effects, e.g. infections
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And available via internetAnd available via internet, , at at room temperatureroom temperature
Detailed Product Description
Laennec Fresh Cell Therapy
Stem cells are responsible for growth during childhood and for the repair and regeneration of human tissue throughout our lives...
Placebo effect could be proportional to the price
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Stem cells Stem cells –– public perception,public perception,religion, ethics, politicsreligion, ethics, politics
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California Stem Cell Initiative
3.000.000.000 $+ 3.000.000.000 $
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Germany's Top Evangelical Church Leader Backs Continuing Embryonic Stem Cell Research
BERLIN, January 3, 2008 (LifeSiteNews.com) - The Council President of the Evangelical Church in Germany (EKD), Dr. Wolfgang Huber, has declared his support for postponing the cut-off date for embryonic stemcell research (ESCR) for the sake of high-level research purposes.
According to the newspaper Frankfurter Rundschau, Dr. Huber said over the weekend that if the currently available stem cell lines were insufficient,the deadline could be postponed for high-level research. The Bundestag,the German national parliament, is expected to make a decision on cutting off ESCR before Easter.
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Stem Stem ccell ell ttherapyherapy --““intelligent therapyintelligent therapy””
For instance, Mesenchymal stem cells (MSCs) produce different effects that depend on the medical condition (environment in the body?)
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CCellells s forfor therapytherapy
Accessibility of cellsAccessibility of cells-- SourceSource
In vitroIn vitro manipulationsmanipulations-- MinimalMinimal-- Purification/ sortingPurification/ sorting-- ExExtensivetensive ((exexpansionpansion etcetc))
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CCellell therapytherapy
Establish safetyEstablish safetyDelivery methodDelivery method““Therapeutic windowTherapeutic window””Evaluation of therapeutic potential Evaluation of therapeutic potential ( selection of criteria)( selection of criteria)
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3 questions
WhatWhat??WhenWhen??
HowHow??
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Potential applications Potential applications (1)(1)
1)1) Spinal cord damageSpinal cord damage; ; diabetesdiabetes; ; cardiovascularcardiovascular; ; etcetc..2)2) Neurodegenerative diseasesNeurodegenerative diseases; ; detachment of eye retinadetachment of eye retina3)3) Restoration of hematopoiesisRestoration of hematopoiesis (CB (CB >7000 >7000 byby 2008)2008); ; ischemiaischemia
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Potential applicationsPotential applications (2)(2)
44)) Regeneration of bone/ cartilageRegeneration of bone/ cartilage//muscle muscle tissuetissue; ; reconstructive applicationsreconstructive applications; ; autoimmune diseasesautoimmune diseases; ; cardiovascular; cardiovascular; ischemiaischemiass
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AdultAdult ((somaticsomatic) ) StemStem CellsCells
Human bodyHuman body contains multipotent cells contains multipotent cells ((somatic stem and progenitor cellssomatic stem and progenitor cells)) ––the cellular basis for organ homeostasis the cellular basis for organ homeostasis and regeneration processand regeneration process
No bioethical problems; no transplant No bioethical problems; no transplant rejection (in case of autologous)rejection (in case of autologous)
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Stem cells in every organ
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TherapeuticalTherapeutical applicationsapplications
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ExampleExample: : cardiovascularcardiovascular
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ExampleExample: : cardiovascularcardiovascular
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(Bone marrow) MSCs
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ExampleExample: : Immunomodulatoryproperties of MSCs
MSCs reduce graft-vs-host disease (Le Blanc, Lancet 2004;363:1439-1441)
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Example: Example: In utero treatment (IUT) of genetic diseases
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Example: Example: In utero treatment (IUT) of genetic diseases
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Cell therapy centerCell therapy center
((from Drfrom Dr. . DavidDavid McKennaMcKenna))
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Molecular and Cellular TherapeuticsMolecular and Cellular Therapeutics (MCT), (MCT), UniversityUniversity ofof MinnesotaMinnesota
BBuilt in 1992 and renovated in 1998uilt in 1992 and renovated in 1998Facility meets current Good Facility meets current Good Manufacturing Practices (Manufacturing Practices (cGMPcGMP) and ) and current Good Tissue Practices (current Good Tissue Practices (cGTPcGTP) ) standardsstandardsEffective collaboration with University of Effective collaboration with University of Minnesota Stem Cell Institute, Diabetes Minnesota Stem Cell Institute, Diabetes Institute for Immunology and Institute for Immunology and Transplantation, Cancer Center, and Transplantation, Cancer Center, and Medical CenterMedical Center
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Molecular and Cellular TherapeuticsMolecular and Cellular Therapeutics (MCT), (MCT), UniversityUniversity ofof Minnesota Minnesota
Cell Therapy LaboratoryCell Therapy LaboratoryPancreatic Islet Cell LaboratoryPancreatic Islet Cell LaboratoryCancer Center LaboratoryCancer Center LaboratoryProduction Assistance for Cellular Production Assistance for Cellular TherapiesTherapies
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(1) (1) Cell Therapy LaboratoryCell Therapy Laboratory
PProvidesrovides hematopoietichematopoietic stem cells stem cells ((HSCsHSCs) and non) and non--hematopoietichematopoietic cell cell types derived from a variety of sources types derived from a variety of sources ((tissuestissues) ) for somatic cell therapiesfor somatic cell therapies;;The laboratory processes over 700 The laboratory processes over 700 autologousautologous, , allogeneicallogeneic--related and related and allogenallogeneeicic--unrelated peripheral blood, unrelated peripheral blood, umbilical cord blood umbilical cord blood ((UCBUCB)), bone , bone marrow, and tissue products annually marrow, and tissue products annually
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(2) (2) Cell Therapy LaboratoryCell Therapy Laboratory
HSCsHSCs from from bone marrow, peripheral blood, bone marrow, peripheral blood, umbilical cord blood (UCB)umbilical cord blood (UCB);;Cardiac Therapy (BM Cardiac Therapy (BM MNCsMNCs, +/, +/--stopflowstopflow etc., etc., selected cells CD34+, CD133+; selected cells CD34+, CD133+; MSCsMSCs))MeMessenchymal Stem Cells (Improvement of enchymal Stem Cells (Improvement of HCS HCS engraftmentengraftment;; GVHDGVHD therapytherapy))Cord blood HSC expansionCord blood HSC expansionSkeletal Skeletal MyoblastsMyoblasts ((stress urinary incontinencestress urinary incontinence))TT--regreg cells (T cell response inhibitioncells (T cell response inhibition, currently, currently--PB andPB and UCB derived; to support BM UCB derived; to support BM engraftmentengraftment& & GVHDGVHD therapytherapy))
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(1) (1) Pancreatic Islet Cell LaboratoryPancreatic Islet Cell Laboratory
SSupportsupports cuttingcutting--edge research in edge research in clinical islet transplantationclinical islet transplantationCCurrenturrent team team procesproceseses overover 45 human 45 human ((and 60 porcineand 60 porcine)) pancreatapancreata annuallyannuallyAbove and beyond the routine islet Above and beyond the routine islet isolation process, this team performs a isolation process, this team performs a host of Quality Control and Quality host of Quality Control and Quality Assessment evaluations of the isolated Assessment evaluations of the isolated isletsislets
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(2) (2) Pancreatic Islet Cell LaboratoryPancreatic Islet Cell Laboratory
CCurrenturrent cclinicallinical TrialsTrials"hOKT3y1 (Ala"hOKT3y1 (Ala--Ala), Ala), SirolimusSirolimus and Low Dose and Low Dose TacrolimusTacrolimus Therapy in Type 1 Diabetic Islet Therapy in Type 1 Diabetic Islet Allograft Recipients"Allograft Recipients""Evaluation of the "Evaluation of the TolerogenicTolerogenic Efficacy of Efficacy of hOTK3y1 (AlahOTK3y1 (Ala--Ala) and Ala) and SirolimusSirolimusImmunotherapy in Type 1 Diabetic Islet Immunotherapy in Type 1 Diabetic Islet Allograft Recipients"Allograft Recipients""Anti"Anti--thymocytethymocyte Globulin, Cyclosporine, and Globulin, Cyclosporine, and RAD in IsletRAD in Islet Transplantation"Transplantation"
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(1) (1) Cancer Center Laboratory Cancer Center Laboratory
DDevelopmentevelopment of novel therapies of novel therapies across a wide range of applicationacross a wide range of applicationleading to clinical production leading to clinical production AAutologousutologous tumor digestion tumor digestion andandcell production and expansion cell production and expansion TTumorumor vaccine productionvaccine production
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(2) (2) Cancer Center Laboratory Cancer Center Laboratory
NK cell therapy (NK cell therapy (HaploHaplo-- identical; identical; + CD34 enriched HSC graft; also + CD34 enriched HSC graft; also UCB derived UCB derived NKsNKs))Autologous tumor cell vaccineAutologous tumor cell vacciness(melanoma and renal cell (melanoma and renal cell carcinoma)carcinoma)AllogenicAllogenic tumor cell vaccinetumor cell vaccinessunderway (breast cancer and underway (breast cancer and melanoma)melanoma)
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Production Assistance for Cellular Production Assistance for Cellular TherapiesTherapies ((PACT groupPACT group))
TThreehree facilities and an administrative facilities and an administrative center to produce novel cellular therapy center to produce novel cellular therapy products for investigators from products for investigators from academia and industry within the academia and industry within the United States needing manufacturing United States needing manufacturing supportsupport
E.g. E.g. ““BioEBioE”” developdevelop UCB UCB derivedderived MSCsMSCscell cell productproduct
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Production Assistance for Cellular Production Assistance for Cellular TherapiesTherapies ((PACT groupPACT group))
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E.T.C. E.T.C. http://http://www.ahc.umn.edu/mctwww.ahc.umn.edu/mct//about/home.htmlabout/home.html
Process Process vvalidationalidation:: from from ddesignesign to to iimplementationmplementationCryopreservationCryopreservation program development and program development and qualificationqualificationDevelopment of Shipping Validation protocols Development of Shipping Validation protocols and reports to support the need to transport and reports to support the need to transport products worldwideproducts worldwide
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Molecular and Cellular TherapeuticsMolecular and Cellular Therapeutics (MCT), (MCT), UniversityUniversity ofof Minnesota Minnesota
TotalTotal 3.700 m2, 3.700 m2, outout ofof whichwhich 1.020 m21.020 m2areare dedicated Controlled Environment dedicated Controlled Environment Areas and areas for the development Areas and areas for the development and production of advanced celland production of advanced cell--, , tissuetissue--, and gene, and gene--based therapies based therapies Up to 70 (?) specialist can be involved Up to 70 (?) specialist can be involved in in MTC MTC activitiesactivities
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Cell Cell therapy in Latviatherapy in Latvia
Cell Therapy Laboratory, P. Cell Therapy Laboratory, P. StradinsStradinsUniversity Clinical Hospital, is under University Clinical Hospital, is under construction and will be operational in construction and will be operational in 2008 2008 Stem cell technology project Stem cell technology project forfor medical medical application application initiatinitiated at University of ed at University of Latvia in 2006Latvia in 2006
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Cell Cell TherapyTherapy LaboratoryLaboratory, P. , P. StradinsStradinsUniversityUniversity ClinicalClinical HospitalHospital, , RigaRiga, , LatviaLatvia
Total 280 m2, out of which 90 m2 are Total 280 m2, out of which 90 m2 are dedicated dedicated cGMPcGMP area for the development area for the development and production of cell and tissue therapiesand production of cell and tissue therapies(2008)(2008)PPlannedlanned therapiestherapies-- ccardiacardiac;; ppancreaticancreatic isleisletsts((EdmontonEdmonton protocolprotocol)); MSC; MSCssTechnology Technology implementationimplementation hashas alreadyalreadystartedstarted
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“Development of isolation and expansion methods for autologous
stem cells with the potential for medical applications”
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Aims:
EstablishEstablish optimaloptimal MSC MSC cultureculture conditionsconditionsDevelopDevelop robustrobust cell cell qualityquality controlcontrolTransferTransfer technologytechnology to GMP to GMP productionproduction
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CellsCells fromfrom differentdifferent sourcessources
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InIn vitrovitro cultivationcultivation/ / expansionexpansion
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MarkerMarker characterisationcharacterisation andanddifferentiationdifferentiation teststests
Nestin CD34 Tyr
NegGFAP OC4
Adipo Hondro Osteo
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PCR & PCR & RealReal timetime
P30 S 10% P30 S 30% P30 L:S 1:3 P30 Lif spheres
Co
py n
um
be
r p
er
20
ng
RN
A
TGFb
CXCL12
bFGF
Serum 10% Serum 30% Serum:L 3:1 L (embryoid)
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FACSFACS
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Exciting but philosophical questions
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Thank you!