Finding novel, druggable targets for therapeutic intervention remains a top priority for the pharma/biotech industry, especially when it comes to building a robust drug discovery pipeline. It also remains a formidable challenge and companies continue
to invest a lot of time and resources in identifying and validating good drug targets to pursue. What are the challenges in target discovery? What tools and strategies are being used and how well are they working? What’s being done to ensure
that validated targets lead to better and safer therapies? Cambridge Healthtech Institute’s conference on Target Identification and Validation will bring together leading experts to discuss some of these critical questions. The conference will
help attendees meet and interact with experts and peers from around the world to share ideas and hear about new strategies and technologies helping target discovery.
Part 2: Focus on Chemical Biology and Phenotypic Screening
This part of the Target Identification and Validation conference will describe how phenotypic screening and chemical biology can be used to find new drug targets, validate existing targets for new indications, and better understand how inhibiting or activating
these targets could impact other cellular pathways.
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Thursday, September 27
11:50 am Conference Registration Open
12:20 pm Plenary Keynote Program
2:00 Refreshment Break in the Exhibit Hall with Poster Viewing
2:45 Welcome Remarks
Tanuja Koppal, PhD, Conference Director, Cambridge Healthtech Institute
2:50 Chairperson’s Opening Remarks
James Inglese, PhD, Head, Assay Development & Screening Technologies, National Center for Advancing Translational Sciences, NIH
2:55 Strategies for the Development of Quantitative HTS Assays Targeting Rare Diseases
James Inglese, PhD, Head, Assay
Development & Screening Technologies, National Center for Advancing Translational Sciences, NIH
Phenotypic assays enabled by genome editing in combination with novel reporter gene and high content imaging technology were integrated to create quantitative HTS assays. The assays were designed to target pathophysiology arising from gene duplication,
haploinsufficiency, defective organelle biogenesis or genes with implied protective properties, associated with CMT, Dravet syndrome, Parkinson’s and more. Our goal was to identify transcriptional and post-translationally active pharmacological
agents acting by a variety of mechanisms, including chromatin co-regulators accessible by our assay.
3:25 Comprehensive Proteomics Characterization of a Selective Cyclin-Dependent Kinase Inhibitor
J. Adam Hendricks, PhD, Associate Principal Scientist, Discovery
Biology, Discovery Sciences, IMED Biotech Unit, AstraZeneca
We describe a comprehensive characterization of a cyclin-dependent kinase inhibitor using a combination of affinity enrichment-based chemoproteomics and thermal proteome profiling strategies. Application of these orthogonal approaches enabled “static
and dynamic” proteome characterization of a CDK9 inhibitor. This case study highlights the advantages and limitations of different proteomics readouts and their applications in drug discovery toward understanding the mechanism of action of clinical
3:55 Presentation to be Announced
4:10 ZeCardio: A Zebrafish-Based Screening Platform for Genetic Association Studies in Cardiovascular Disease
Vincenzo Di Donato, PhD, Project Manager, Genome Editing Platform, ZeClinics
The advent of CRISPR/Cas9 methodologies has greatly expanded the possibilities of in vivo target identification and validation. However, the generation of knockout animal models is a low-throughput and time-consuming process.
Here, we will present a zebrafish-based mutagenesis platform allowing high-throughput phenotypical validation of candidate genes readily in the F0 generation.
4:25 Refreshment Break in the Exhibit Hall with Poster Viewing
5:00 Development of a Biologically Intelligent High-Throughput Assay Platform for Phenotypic Screening - Redefining the Screening Toolbox
Madhu Lal-Nag, PhD, Team Leader, RNAi Screening, National Center for Advancing
Translational Sciences, National Institutes of Health
Developing physiologically relevant assays with predictive, measurable phenotypic end points has been the pain point for high-throughput screening in drug discovery. Here we describe the development of a platform of physiologically relevant screenable
phenotypes and biologically intuitive analysis algorithms that capture and define these phenotypes in a physiologically relevant context. This also encompasses the development of a biologist’s toolbox designed to target a majority of diverse
5:30 Patient-Derived Xenograft-Derived ex vivo (PDXEx) Model for Evaluation of Tumor-Specific Therapies
Geoffrey Bartholomeusz, PhD, Associate
Professor and Director, Target Identification and Validation Program, Department of Experimental Therapeutics, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center
We have developed a PDXEx model that closely replicates the tissue architecture of the original tumor and has a gene expression profile showing a high degree of correlation to that of the original tumor. Our model has great application as a screening
platform exhibiting a high predictive value in identifying effective tumor-specific therapies in a resource-, time-, and cost-efficient manner.
6:00 Building Precision in vivo Models Using CRISPR-Based Editing
Lukas Dow, PhD, Assistant Professor of Biochemistry in Medicine, Department of Medicine, Hematology and Medical Oncology, Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine
The development of animal models that precisely reflect the genetic changes that occur in human tumors is a key step in developing immunocompetent preclinical models. I will discuss our efforts using CRISPR to engineer both large chromosomal rearrangements
and single nucleotide variants (SNVs) in animal models, to understand the impact of defined genetic changes on tumor initiation, progression and therapy response.
6:30 Dinner Short Course Registration
9:30 Close of Day
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Friday, September 28
7:00 am Registration Open
7:30 Interactive Breakfast Breakout Discussion Groups - View Details
Grab a cup of coffee and join a breakout discussion group. These are informal, moderated discussions with brainstorming and interactive problem solving, allowing participants from diverse backgrounds to exchange ideas and experiences and develop future
collaborations around a focused topic.
Chemical Biology Approaches for Target ID and Target Discovery
Moderators: Doug Johnson, PhD, Director, Chemical Biology & Proteomics, Biogen
Jaimeen Majmudar, PhD, Senior Scientist, Chemical Biology, Pfizer, Inc.
- Chemical biology approaches as an avenue for new targets
- Chemo-proteomics approaches to understand protein degradation
- Covalent fragment screening for the coupled discovery of targets and leads
- How can chemical biology approaches complement CRISPR-based technologies?
8:30 Chairperson’s Remarks
Fabien Vincent, PhD, Associate Research Fellow, Hit Discovery and Lead Profiling Group, Pfizer
8:35 Hit Triage and Validation for Phenotypic Screening: Considerations and Strategies
Fabien Vincent, PhD, Associate Research Fellow, Hit Discovery
and Lead Profiling Group, Pfizer
Phenotypic screening is a validated approach to identify novel therapeutic targets. However, significant differences exist between target-based and phenotypic screening, prompting a need to re-assess our strategies and processes to most effectively prosecute
phenotypic projects. The hit triage and validation process was critically re-evaluated in light of the unique characteristics of phenotypic screening. Key considerations and specific strategies will be shared and illustrated by in house and literature
9:05 Understanding the Mechanism of Kinase Inhibitors
Lyn Jones, PhD, Vice President, Chemistry and Chemical Biology, Jnana Therapeutics
Advances in the development of chemoproteomic profiling technologies are enabling a deeper understanding of the selectivity and hence mechanism of action of small molecule kinase inhibitors. Additionally, many ATP-site binders have been found to degrade
their cognate target kinases. The drug discovery impact of kinase profiling and MoA studies will be presented.
9:35 Chemo-Genomic Screening in AML: A New Approach to Identify Therapeutic Strategies
Anne Marinier, PhD, Principal Investigator
and Director of Medicinal Chemistry, IRIC and Associate Professor, Department of Chemistry, Université de Montréal
Capitalizing on new leukemia stem cell culture conditions, we developed a chemo-genomic screening approach using genetically and clinically characterized acute myeloid leukemia (AML) specimens and a structurally diverse compound collection. Clustering
of hits demonstrating similar specimen inhibition patterns generated CCCs (Compound Correlation Clusters) which reveal sensitized target pathways essential to tumor survival. The CCCs’ therapeutic relevance will be exemplified by the identification
of a novel target for poor prognosis AML.
10:05 Coffee Break in the Exhibit Hall with Poster Viewing and Poster Competition Winner Announced
10:45 Phenotypic High-Content Approach to Identify Novel Targets of Autophagy
Stephen Walker, PhD, Senior Research Scientist III, High
Throughput Screening, AbbVie
We have established various phenotypic screening approaches and conducted small molecule screens for diverse indications using physiologically relevant disease models. This presentation will highlight the workflow performed for a screen combining
autophagy specific cellular models with high content multi-parametric analysis to identify autophagic regulators for clearance of accumulated proteins. Hits from a screen utilizing a focused library of annotated compounds are being further characterized
in disease-specific models and prioritized for target identification.
11:15 Identification of Essential Genes for Cancer Immunotherapy Using High-Throughput Genome Engineering
Neville Sanjana, PhD, Assistant Professor, Departments
of Biology, Neuroscience and Physiology, New York University; Core Faculty Member, New York Genome Center
We have developed two-cell type whole-genome CRISPR screens to dissect the complex interactions between tumor cells and primary immune cells in cancer immunotherapy. Using primary human cytotoxic T cells, we identify loss-of-function mutations genome-wide
that drive resistance to immunotherapy with transgenic TCR T cells and validate several novel immunotherapy resistance mechanisms across different melanomas, cancers, and antigens (in collaboration with N. Restifo’s, National Cancer Institute).
11:45 Sponsored Presentation (Opportunity Available)
12:15 pm Session Break
12:25 Luncheon Presentation (Sponsorship Opportunity Available) or Enjoy Lunch on Your Own
1:15 Refreshment Break in the Exhibit Hall with Poster Viewing
1:55 Chairperson’s Remarks
Paul Brennan, PhD, Associate Professor, Medicinal Chemistry, University of Oxford; Principal Investigator, Target Discovery Institute, Structural Genomics Consortium
2:00 Chemical Probes in Target Discovery
Paul Brennan, PhD, Associate Professor, Medicinal Chemistry,
University of Oxford; Principal Investigator, Target Discovery Institute, Structural Genomics Consortium
Chemical probes are selective small molecule inhibitors that can be used in cellular assays to induce a phenotype and link it to a small set of protein targets. Chemical probes have been developed for many bromodomains, the principal epigenetic
readers of histone lysine acetylation, and been used to decipher the biology of bromodomains in cancer and inflammation. We are current developing chemical probes for new protein families.
2:30 Target Validation in the IL17 Signaling Pathway: Challenges and Opportunities
Alex Lipovsky, PhD, Senior Scientist, Foundational Immunology, AbbVie
3:00 Small Molecule Modulators of Conformationally Dynamic Protein Targets
Evripidis (Evris) Gavathiotis, PhD, Associate
Professor, Department of Biochemistry and Medicine, Albert Einstein College of Medicine
My presentation will discuss approaches for targeting two conformationally dynamic protein targets that critically control cell death and cell survival pathways converging at the mitochondria. Validation of novel targets and mechanisms go hand-in-hand
with the discovery of small molecules. Structure-based drug design, biochemical, cell-based and in vivo proof-of-concept studies provided lead compounds and insights on modulating dynamic protein targets.
3:30 Small Molecule Modulators of Inflammation
Sinu John, PhD, Staff Scientist, Signaling Systems Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health
Recent studies have shown that a macrophage-driven inflammatory signature is common to a large majority of the diseases. We have developed a TNF reporter assay that can be used to identify small molecule modulators of the human macrophage
inflammatory response. We have conducted a screen of biologically active small molecules and identified several compounds that have substantial modulatory effects on the TNF response. In validation studies, we find that these molecules
can be grouped into classes with both negative and positive effects on the inflammatory response, with therapeutic potential.
4:00 Close of Conference
Day 1 | Day 2 | Download Brochure
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Part 1: Focus on Functional Genomics & Computational Screening
This part of the Target Identification & Validation conference will highlight some of the existing and emerging functional genomics, artificial intelligence and machine learning tools that are being used for generating novel drug targets.
The use of such tools and screens for validating existing targets or associating them with new disease indications will also be discussed.