Bioasis Announces Publication Validating its xB³ ™ Platform Technology for CNS Therapeutics
04 June 2021 - 6:05AM
BIOASIS TECHNOLOGIES INC. (TSXV:BTI; OTCQB:BIOAF),
(the “Company” or “Bioasis”), a pre-clinical, research-stage
biopharmaceutical company developing its proprietary xB3 ™ platform
technology for the delivery of therapeutics across the blood-brain
barrier (“BBB”) and the treatment of central nervous system (“CNS”)
disorders in areas of high unmet medical need, including brain
cancers and neurodegenerative diseases, today announced the
publication of research validating the ability of the company’s xB3
™ platform to cross the intact blood-brain barrier and its
localization in variety of brain cell types.
Professor Wilfred Jefferies together with scientists from both
the Jefferies Laboratory and Bioasis used multiple approaches to
help pinpoint and then evaluate Bioasis’ xB3 ™ platform technology
by investigating its ability to traverse the BBB. This research
shows that the xB3 ™ platform can cross intact BBB and enter
intracellular organelles within neurons, glia and microglia in the
brain. The research conducted by Singh, et al., “Discovery of
a Highly Conserved Peptide in the Iron Transporter
Melanotransferrin that Traverses an Intact Blood Brain Barrier and
Localized in Neural Cells,” was published in the Frontiers
in Neuroscience on June 2nd, 2021.
The data presented in this publication provide evidence for the
utility of xB3 ™ peptide (previously known as MTfpep) as a platform
technology for delivery of recombinant and chemically conjugated
drug across the BBB. This study characterizes the utility of xB3 ™
in brain delivery where the BBB remains intact and thus offers new
avenues for potential focused treatments in variety of
neuropathologies that are currently refractory to existing
therapies.
Dr. Wilfred A. Jefferies, Professor at University of British
Columbia, and the leader of the project stated, “This research was
carried out over many years and describes the discovery of the
minimally active region within melanotransferrin that retains the
capability of transendothelial transport across the blood brain
barrier in both in vitro blood brain barrier models and in vivo
blood brain barrier transcytosis in mammals. This human MTf peptide
appears to be unusual as it is extremely highly conserved among
many mammals but differs in comparison to peptides in
evolutionarily conserved human proteins, transferrin or
lactoferrin, that do not appreciably cross the blood brain barrier.
Furthermore, it is fascinating that upon entering the brain, the
MTf peptide distributes into many cell types in the CNS including
neurons, microglia and glia where it enters specific organelles,
including endosomes and lysosomes.”
“These data further validate the utility of our xB3 ™ platform
technology to achieve delivery of therapeutic compounds across the
BBB at levels that may help treat a variety of CNS diseases. This
data is consistent with the previous studies where our technology
successfully delivered enzymes, antibodies and siRNA across the BBB
with demonstrated efficacy in both the brain and the periphery in
settings as diverse as brain cancers, neuropathic pain and
lysosomal storage disorders,” said Dr. Deborah Rathjen, Executive
Chair of the Board, Bioasis.
On behalf of the Board of Directors of Bioasis
Technologies Inc.
Deborah Rathjen, Ph.D., Executive Chair of the Board
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About Bioasis
Bioasis Technologies Inc. is a biopharmaceutical
company developing the xB3 ™ platform, a proprietary technology for
the delivery of therapeutics across the blood brain barrier and the
treatment of CNS disorders in areas of high unmet medical need,
including brain cancers and neurodegenerative diseases. The
delivery of therapeutics across the blood brain barrier represents
the final frontier in treating neurological disorders. The in-house
development programs at Bioasis are designed to develop symptomatic
and disease-modifying treatments for brain-related diseases and
disorders. For more information about the Company, please visit
www.bioasis.us.
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Contacts:
Deborah Rathjen, Ph.D., Executive Chair of the Board and
CEOdeborah@bioasis.us203-533-7082
Investor Contact:Graeme DickColwell Capital
Corp.graeme@colwellcapital.com403-561-8989
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