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Biomaterials Evolution. This platform will create massively-parallel capabilities for directed evolution of biomolecules, such as DNA, for regenerative medicine and bioenergy Wyss Faculty Lead: George Church Other Wyss Faculty: Pam Silver William Shih Jim Collins
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Biomaterials Evolution This platform will create massively-parallel capabilities for directed evolution of biomolecules, such as DNA, for regenerative medicine and bioenergy Wyss Faculty Lead: George Church Other Wyss Faculty: Pam Silver William Shih Jim Collins Don Ingber Overall Goals: • Directed Evolution of Human Antibodies • Multi-Gene Switches for Cell Reprogramming • DNA as a Cost Effective Biomaterial
Biomaterials Evolution Platform • DNA Synthesis, assembly & analysis on chips • -DNA as a Cost Effective Biomaterial (Shih) • -Human Antibody & Antigen Libraries (Ingber) • Directed Evolution of Microbial Communities • -Metabolic engineering fuels, chemicals (Silver, Collins) • Gene Switches for Human Cell Reprogramming • -Combinatorial Control of Stem Cell & • Cancer Cell Differentiation (Ingber & Collins) 2
Sequencing tracked Moore’s law 2X/2 yr until 2005-9 10,000x/4yr $/bp 2005 $50M 2009 $5K 2009 goal of 2% for $200 (coding + regulatory)
Open-architecture hardware, software, wetware e.g. 1981 IBM PC $150K - 2 billion beads/run Polonator Rich Terry Senior Engineer
DNA Synthesis, assembly & analysis on chips Digital micromirror & inkjet Nitrobenzyl linkers for selective release of beads or cells
Biomaterials Evolution Platform • DNA Synthesis, assembly & analysis on chips • -DNA as a Cost Effective Biomaterial (Shih) • -Human Antibody & Antigen Libraries (Ingber) • Directed Evolution of Microbial Communities • -Metabolic engineering fuels, chemicals (Silver, Collins) • Gene Switches for Human Cell Reprogramming • -Combinatorial Control of Stem Cell & • Cancer Cell Differentiation (Ingber & Collins) 6
Antibody (& TCR) VDJ regions VH*DH*NH*JH*Vkl*Jkl 46*23*N * 6 * 67* 5 = > 2M combinations , 750 bp, >1E10 cells 7
Antibody- antigen pair selectionRibosome-display for biomimetic-microsystems antigens Antigen mRNA VDJ mRNA
Biomaterials Evolution Platform • DNA Synthesis, assembly & analysis on chips • -DNA as a Cost Effective Biomaterial (Shih) • -Human Antibody & Antigen Libraries (Ingber) • Directed Evolution of Microbial Communities • -Metabolic engineering fuels, chemicals (Silver, Collins) • Gene Switches for Human Cell Reprogramming • -Combinatorial Control of Stem Cell & • Cancer Cell Differentiation (Ingber & Collins) 9
Hair or skin sample Re-programming adult human cells to multiple tissues with combinations of DNAs
Combinations of regulatory genes Viral delivery: β-catenin, Dnmt3l, Dppa2,3,4,5, Ecat1, Eras, Fthl17, Grb21, Ecat8, Fbx15, Gdf3, hTERT, Klf4, Myc, Nanog, Oct4, Rex1, Sall4, Sox2, Sox15, Stat3, Tcl1, Utf1 Signals:Activin, BMP4, Estrogen, FGF, HGF, PDGF, Retinoate, Shh, TGF, VEGF. Cartilage & bone Skin-derived stem cells Immature Brain Respiratory epithelium
Biomaterials Evolution Platform • DNA Synthesis, assembly & analysis on chips • -DNA as a Cost Effective Biomaterial (Shih) • -Human Antibody & Antigen Libraries (Ingber) • Directed Evolution of Microbial Communities • -Metabolic engineering fuels, chemicals (Silver, Collins) • Gene Switches for Human Cell Reprogramming • -Combinatorial Control of Stem Cell & • Cancer Cell Differentiation (Ingber & Collins) 12
For metabolic optimization of fuels, biochemicals, pharmaceuticals Genome Engineering Multiplex Automation (GEMA) instrument
WIBIE Silver Lab Efforts Designer proteins for assembly into nanostructures (with Ingber) Engineered cellular memory and logic (with Collins/Ingber) Silver Lab Multi-Gene Switches for Cell Reprogramming DNA as a Cost- Effective Biomaterial Engineered electron transfer for bio-energy In silico design of “DeImmunized” antibody libraries (with Church) Directed Evolution of Human Antibodies Adaptive architecture/ nanomaterials Quantitatively designed protein therapeutics
Poised for Industrial Collaborations 9:05-9:35 4-Feb-2009 Wyss Institute for Biologically Inspired Engineering Thanks to: