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Protagonist Therapeutics is a biotechnology company pursuing the discovery and development of target oral peptides as well differentiated alternatives to antibodies, and also as new chemical entities (NCEs) against those targets and life threatening diseases for which suitable small molecule and/or biologic options are not available. Peptides typically suffer from limitations of poor proteolytic stability and therefore find scarce therapeutic utility that is largely limited to ‘injectable drugs’. Protagonist’s technology platform is aimed at overcoming these restrictions and expanding the scope of peptide therapeutics to address unmet needs. Specific emphasis is placed on identifying ‘orally stable’ scaffolds and/or engineering oral stability characteristics onto them. The platform has been optimized over the years and involves synergistic integration of rational drug design, diversity oriented computational tools, phage display libraries, recombinant peptide expression, ex vivo oral stability methods, and peptide/medicinal chemistry techniques. This activity has led to the identification of ‘privileged scaffolds’ with favorable oral stability characteristics. Furthermore, the technology platform is well suited both for de novo discovery against a target and optimization around a given chemical starting point.
The mission of 4D Molecular Therapeutics is to design and develop transformative gene therapy products using our proprietary technology to create novel adeno-associated virus variants to be utilized as treatments for serious unmet medical conditions. Our products are unlocking the full potential of gene therapy to treat, and potentially cure, genetic diseases. A large number of patients and diseases, who previously were not treatable by gene therapy, will be addressable by 4D products. 4D has one of the deepest and most diverse product pipelines in the gene therapy field. Adeno-associated virus (AAV) vectors have emerged as a favored delivery vehicle for gene therapy in the human body. They can deliver the genes for therapeutic proteins to accessible tissues in the body and are generally considered safe. Several AAV gene therapy products are in late-stage clinical development, and one product is approved in the EU (Glybera, Uniqure). However, these first-generation AAV vectors have limited utility for the majority of diseases. Many of these common AAV were discovered as laboratory contaminants and monkey infections, for example; they have not been customized as targeted medicines. In contrast, 4D customized AAV vectors, and the products made from them, are designed to unlock the full potential of gene therapy. Through 4D`s Therapeutic Vector Evolution, we are able to create customized vectors solutions to overcome the hurdles identified with first-generation AAV vectors. 4D is creating the ultimate gene therapy products to cure genetic diseases using new customized delivery vehicles (vectors) to shuttle genes into the cells in any organ in the body. This 4D “library” of vectors will soon include several for the liver, several for the brain, several for the heart, the eye, muscle, and so on. Doctors will be able to hand pick a vector for any patient based on the organ that is diseased.
Earli has been funded by Andreessen Horowitz`s Bio Fund, Khosla, Perceptive Advisors, Casdin Capital, Sands Capital, Marc Benioff, Menlo Ventures, ZhenFund. Earli is based in the West Coast`s prime biotech hub in South San Francisco.
C2N Diagnostics is a privately-held biotechnology company based in St. Louis, Missouri. We focus on the development of clinical diagnostics and therapeutics for serious brain disorders, with a particular emphasis on Alzheimer`s disease and related forms of progressive neurodegeneration.
PureTech is a science-driven healthcare company, seeking to solve some of today`s toughest health challenges through disruptive approaches. PureTech has a pipeline of 12 operating companies, seven of which are “growth stage” with external validation including strategic partnerships, outside funding, proof-of-concept or peer review in prestigious scientific journals. PureTech is problem-focused and solution-agnostic, looking beyond traditional disciplines and approaching healthcare problems from different perspectives. Focusing on areas of significant unmet medical need, PureTech evaluates more than 650 ideas per year, prioritizing, selecting and testing what it believes to be the most scientifically and commercially promising concepts to advance. PureTech’s leading team and board, along with an advisory network of more than 50 experts across multiple disciplines, gives PureTech access to potentially groundbreaking science and technological innovations.