Genes & Cells Therapy
Professor Nagy Habib Department of Surgical Oncology & Technology Hammersmith Hospital Campus
[email protected]
Stem cells Embryonic
Foetal
Adult stem cell
Placenta Umbilical cord Different organs
Bone marrow MSC
MAPC
HSC
CD34+ CD34-
OmniCyte
CULTURE INITIATION
Proliferation DAY 3
HAEMOPOIETIC CELLS DAY 7
MESENCHYMAL STEM CELLS DAY 14
EPITHELIOID CELL DAY 14
DENDRITEFORMING CELL DAY 14
Mean number of cells x 10e-3/plate ± sem
10000
1000
100
10
1 0
2
4
6
8 10 12 14
Day of culture
FRESHLY ISOLATED CELLS (cont)
Gene AC133 Angiopoietin1 Angiopoietin2 CXCR4 ICAM2 PECAM TAL1 VEGF VWF GATA4 Nkx 2.5 MEF2D Phospholamban Pdx1 Cmet
OmniCytes
Other CD34+
+ + + + + + + + + + + + + + +
+ +
Omnicytes express neuronal markers after 7 days in culture
IgG control
NeuN
24 ± 7%
Nestin
NSE
49 ± 10%
3 ± 2%
IGF1 CK19 NKX2.2 Somatostatin IAP IGF
NgN3 Somatostatin Beta cellulin
Pax6 Pax4 Islet1 PDX1 Insulin 1kb DNA ladder
Glut2 Amylase exendin4 Nkx6.1 NeuroD
Day 0 PANCREAS MARKERS
Clinical protocol Insulin
C-peptide
Co-localised insulin and c-peptide
42.0 37.0 32.0 27.0 22.0 17.0 12.0 7.0
Da y3 Da y5 Da y Da 9 y1 Da 9 y2 Da 8 y3 Da 3 y3 Da 7 y4 Da 5 y5 Da 0 y5 Da 5 y5 Da 9 y6 Da 4 y6 Da 8 y7 3
Blood glucose mmol/l
Insulincyte, Blood Glucose, mmol/l Stem cells injected 01-Dec-2005
Stem Cells PBS
Mouse No.
Treatment
Human Insulin mU/l
Human C-Peptide pmol/l
Mouse Insulin Ug/l
Serum Blood Sugar
2
Stem cells
0,00
nd
0,60
9,6
3
Stem cells
22,47
nd
0,12
9.9
4
Stem cells
21,72
1134
1,49
9,7
5
Saline
0,00
nd
2,80
15.8
6
Saline
0,00
nd
0,26
32,2
OmniCytes DAPI-nuclei; pkh26-membrane
Neuroblastoma (dapi-nucleous; pkh67-membrane)
Fusion OmniCytes and neuroblastoma
Growth of fibrosarcoma(RHT14-2) in single culture and in coculture with CD34+ SC 600
Number of cells (x10 4)
500 400 Cocultx104 300
Fibro cultx104 Fibro in cocultx104
200 100 0 0
2
4
6
Num ber of days in culture
8
Non transfected cells
Cells transfected with IFNγ10% expressing IFNγ
% cells expressing IFNgamma
IFNgamma expression 12 10 8 6 4 2 0
no transfection
10
8
10
9
10
10
adn-IFNgamma concentraction
10
11
CK18
HNF4 alpha
AFP
Transferrin
1kb DNA ladder
HNF3 beta
Cyto p450
HGF
Vimentin
Nestin
Albumin
Glucokinase
C MET
LDLR
Αlpha1 A trypsin
Day 14 LIVER MARKERS
HUMAN CELLS IN MOUSE LIVER SECTION - DAY 8
MOUSE LIVER SECTIONS STAINED FOR HUMAN CYTOKERATIN 18 ONE DAY POST TRANSPLANT Negative control Transplanted animal Day 0 Day 1 Day 8
Human nuclei staining Negative control
Nu301, Human nuclei staining Mouse sacrificed 2 days after transplantation
ENGRAFTMENT IN LIVER DAMAGE MODEL
Patient 5
20-04-2005
27-06-2005
Conclusions • No side effects or procedure-related complications. • Subjective improvements reported • Objective improvements in 3/5 patients.
190 170 150 130 110 90 70 50
37 32 27 22 Pre
WK1` weeks
WK2
Albumin (g/L)
Bilirubin (umol/L)
3 Alcoholic cirrhosis
BILIRUBIN ALB
70
50
60 50
40 30
40 30
20
20 10
10
0
0 Pre
WK2
WK6 Weeks
WK10
WK14
Albumin (g/L)
Bilirubin (umol/L)
Cirrhosis ( Autoimmune Hepatitis)
Bilirubin Albumin
Glycogen Storage Disease Father to six year old daughter ALT
350 300 250 200
ALT
150 100 50 0
AST
300 250 200 150 100 50 0
AST
Clinical Trials • Phase 1 Liver study successfully completed Phase 2 study started (liver) • Studies planned in 2006 (MHRA approved): Heart, Stroke, Diabetes, Phase III liver • Others: inflammatory bowel disease, peripheral vascular disease, fracture tibia, back pain, osteoarthritis of the knee t, chronic renal failure, chronic pain, MS