alexa RGTA Are Polysaccharides Engineered To Mimic Natural Heparan Sulfates Developed Into Products To Cure Patients And As A New Ecosensitive Branch Of Regenerative Medicine
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
Open Access

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JOINT EVENT ON 5th International Conference on Bioplastics and 6th World Congress on Biopolymers
September 07-09, 2017 | Paris, France

Barritault Denis
University Paris, France
Posters & Accepted Abstracts: J Chem Eng Process Technol
DOI: 10.4172/2157-7048-C1-006
Abstract
Extra Cellular Matrix (ECM) microenvironment regulates locally our continuous ability to replace dead cells by new cells. This central law of all living is known as tissue homeostasis. Heparan sulfates (HS) are key elements of the ECM scaffold that store, protect and position the various Cell Communication Peptides (CCP) in the cellular microenvironment. HS play a pivotal role in the regulation of the bioavailability of CCP, cell proliferation, migration and differentiation required for tissue regeneration. Tissue injury will lead to destruction of cells and surrounding ECM. CCP released by inflammatory and circulating cells can then promote tissue repair, but with a loss of tissue quality, leaving scars or fibrosis. We have engineered biodegradable nano-polysaccharide mimicking HS, named RGTA for ReGeneraTing Agent. Introduced at the site of injury, RGTA will bind to the matrix proteins of the damaged ECM, and to the CCP produced by healthy neighboring cells, thereby restoring the ECM microenvironment and conditions for tissue homeostasis. This matrix therapy approach has considerably improved the quality of healing in various animal models with reduction or absence of fibrosis resulting in a real regeneration process. The RGTA technology has been validated in clinics with over tens of thousands of patients treated both for corneal and skin ulcers with no adverse effect. Adapted RGTA are in development for more tissue injuries extending RGTA as a new therapeutic class in the field of regenerative medicine exploiting our natural potential without need for exogenous cells. However, RGTA can also be combine with cell therapy by constructing a niche to favor homing. The future of regenerative medicine lays in a proper adjustment of the microenvironment to optimize cell colonization, expansion, replacement and recovery of their functions.
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