outpacing infectious disease - ismpp · center for infectious diseases and vaccinology the...
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Cheryl A. Nickerson, Ph.D., ProfessorSchool of Life Sciences
Center for Infectious Diseases and VaccinologyThe Biodesign Institute, ASU
Outpacing Infectious DiseaseSpaceflight Platforms Toward Innovations
in Infectious Disease Control
Thinking Outside the Box: Novel Approaches to Address Major Human Health Challenges
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It is not always easy to get out of your comfort zone!
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The most recent U.S. National Laboratory
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Designation of the International Space Station (ISS) as a National Laboratory underscores the significance and
importance that the United States places on the scientific potential of the microgravity platform for breakthrough biomedical and biotechnological research to globally
advance human health and quality of life.
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Spaceflight as a unique platform for translation
Benefit human health
Microgravity: A Novel Tool for Advances in Biomedical Research
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The Journey
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George PosteFounder and Director, Biodesign Institute (BDI)
R&D Scientist of the YearChief Science and Technology Officer and President, R&D of
SmithKline Beecham
Roy Curtiss IIIDirector, Center for Infectious Diseases and Vaccinology, BDI
National Academy of Sciences Pioneer in development of live attenuated vaccines
Ray DuBoisExecutive Director, BDI
Provost and Executive VP Professor, cancer medicine and cancer biology,
Univ of Texas MD Anderson Cancer Center
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Mark Ott, NASA JSCMark Ott, NASA JSC
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Our Multidisciplinary Collaborative Team in US and Europe
Mechanotransduction, infectious disease, immunology, vaccinology, oncology, cell and computational biology, physics, bioengineering, stem cell therapy, regenerative medicine
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How does our lab use the spaceflight platformto benefit human health?
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Source: www.nasa.gov
Goals of our Research: Mitigate risk of infectious disease to crew during space exploration to ensure health, safety, and
performance
Critical to provide safe passage for human exploration to moon, Mars, beyond
New strategies to combat infectious disease on Earth
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• Second leading cause of deaths worldwide – world’s biggest killer of children and young adults
• Major impact on human health, global society, security and economy
• Total cost in US exceeds $120 billion annually
• New and re-emerging infectious disease, antibiotic resistance, bioterrorism threat
WHY INFECTIOUS DISEASE?
Source: World Health Organization
Bacteria Viruses Fungi
WE NEED NEW WAYS TO OUTPACE INFECTIOUS DISEASE!
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Investing in Infectious Disease Research
• Current estimates of bringing a new drug to market - $1 billion and requires extended development times of over a decade before it reaches patients
• Even incremental decreases in this cost and time are of tremendous importance
• Spaceflight holds tremendous promise to benefit infectious disease research
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Infectious Disease Research and Spaceflight
• Major advances in knowledge of biological systems - studying their responses to extreme environments - (ex. temp, pH, etc) - led to major advances in global human health breakthroughs
• Spaceflight is another extreme environment which offers tremendous potential to provide new insight into biological responses - including infectious disease
• Spaceflight produces a fluidic environment (fluid shear) that is relevant to conditions encountered by the pathogen during infection in the human host – but gravity masks key cellular responses on Earth.
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Pathogen
In-flight infectionsRisk assessment/Countermeasures
Vaccines/Therapeutics/Tissue Engineering
Treatment and preventionHost
Low fluid shear culture environment
Physiologically relevant
Biomedical phenotypes not observed during conventional culture
ASU-NASASpace Act Agreement
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Our Biotechnology:The NASA Rotating Wall Vessel (RWV)
Bioreactor
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Can lead to fundamental changes in:
• Cell shape• Gene expression• Protein-protein interactions• Macromolecule conformation• Signal transduction
Alterations in physical forces including:
• Fluid shear• Hydrostatic pressure• Osmotic pressure• Cell-cell interactions• Cell Stretching
…and ultimately influence:
• Cell growth/differentiation• Cellular stress responses• Host-pathogen interactions• Immune responses• Drug/vaccine responses• Disease progression/outcome
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- Spaceflight produces fluidic environment (fluid shear) that is relevant to conditions encountered by pathogens during infection in human body – but gravity masks key cellular responses on Earth.
- Low fluid shear affects bacterial gene expression, physiology, pathogenesis -but mechanism(s) not well understood.
- Entire classes of microbial genes/proteins involved in host interactions not previously identified during growth under conventional culture conditions.
- New targets for vaccine/therapeutic development.
Low fluid-shear regions
BENEFIT TO GENERAL PUBLICSTUDYING BACTERIAL PATHOGEN RESPONSES TO MICROGRAVITY CULTURE
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Salmonella
Spaceflight uniquely changes:- Disease causing potential
- Gene expression- Persistence
New ways that pathogens cause disease
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First study to profile the infection process in human
cells during spaceflight
Our Recent Spaceflight Experiments
STS-131STL-IMMUNE
STS-135RASV
Spaceflight study to enhance (Recombinant Attenuated Salmonella Vaccine) strain
against pneumococcal disease in human clinical trials
Flown under ASU’s Space Act Agreement with NASA
Utilization of ASU’s Space Act Agreement with NASA to use
ISS National Lab platform
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SpaceX-5PHOENIX
First study to profile infection in living organism in real-time
during spaceflight
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OUR 3‐D CELL CULTURE MODELS DEVELOPED FOR INFECTION STUDIES
Neuronal tissue Small intestine - *Immunocompetent
Lung - *Immunocompetent Colon - *Immunocompetent
Placental tissue Vaginal tissue
Engineering state-of-the-art 3-D tissue models under physiological low fluid shear: Mimicking immune response and underlying tissue microenvironment
Barrila et al, 2010, Nat Rev Microbiol; Radtke et al, 2010, PLoS ONE; Crabbé et al, 2011, Cellular Microbiology
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Nickerson, et al, 2012, Manuscript in preparation
Use of the RWV Bioreactor and Decellularized Bioscaffolds in 3-D Lung Tissue Engineering
Advanced 3-D lung models to study respiratory infections, other respiratory diseases,
and transplantation
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• Novel environment offers insight into fundamental biological response parameters from both the host and pathogen perspective that are directly relevant to infectious disease, and advances in tissue engineering - which cannot be observed using traditional experimental approaches
• Scientific advances and commercial potential for innovative solutions toward treatment and control of infectious and other diseases.
A unique environment for innovative discoveries to advance human health
What Does the Microgravity Research Platform Offer?
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MULTIDISCIPLINARY RESEARCHBiologists, Engineers and Mathematicians working
together to bring new solutions to solve important human health problems
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Acknowledgements and FundingArizona State University
Jennifer BarrilaAurelie CrabbeAndrea Radtke
Shameema SarkerRebecca Forsyth
Richard DavisJiseon Yang
Maria Ledesma BarreraApril RideoutYulong Liu
Breanne McCarthyAmi Dave
Jacki KilbourneAmanda GonzalesKaren BrennemanCharles Arntzen
Ken RolandRoy Curtiss
Villanova UniversityJames Wilson
NASA Johnson Space CenterMark Ott
Duane PiersonMayra Nelman-Gonzales
Sarah CastroBrian Crucian
Clarence SamsNeal Pellis
Heidi Stefanyshyn-Piper and the crew of STS-115Dominic Gorie and the crew of STS-123
Naoko Yamazaki and the crew of STS-131Sandra Magnus and the crew of STS-135
Purdue UniversityEric Nauman
Tulane UniversityKerstin Honer zu Bentrup
Rajee RamamurthyCarly LeBlanc
Sidney Kimmel Cancer Center
Steffen PorwollikMichael McClelland
University of ChicagoJohn Alverdy
University of VermontDan Weiss
Gent University, BelgiumRosemarie De Weirdt
Tom Van de Wiele