VANCOUVER, BRITISH COLUMBIA--(Marketwired - March 16, 2015) - BIOASIS TECHNOLOGIES INC. (TSX VENTURE:BTI)(OTCQX:BIOAF), a pioneering biopharmaceutical company focused on overcoming the limitations of therapeutic drug delivery across the blood-brain barrier (BBB), announces the results from an animal ischemic stroke model performed at the National Research Council Canada with the biOasis Transcend carrier peptide, MTfp and siRNA (MTfp-siRNA). Two key therapeutic effects were shown with MTfp-siRNA; A high degree of reduction of the area of blood vessel infarct and improvement of overall brain activity as determined by neurological scoring.

On July 25th, 2014, biOasis announced that its newly discovered carrier peptide (MTfp), part of the biOasis Transcend family of carrier technologies, effectively delivered siRNA across the BBB and into brain cells. The company also announced that it achieved the goal of silencing the expression of a selected target gene in the brain by approximately 50%. This study prompted the company to move to a model of disease where therapeutic effects could be measured.

Ischemic stroke is the most common type of stroke in humans and an animal model that mimics stroke was chosen to establish the effectiveness of MTfp-siRNA treatment administered immediately prior to induction of ischemic stroke.

Key Findings of Ischemic Stroke Model Treated with MTfp-siRNA:

(1) The area of infarct (damage) was highly reduced in the animals treated with MTfp-siRNA. Brain images revealed significantly less stroke damage in brain sections from animals treated with the MTfp-siRNA when compared to the same brain regions in the control animals. The brain section images may be viewed on the biOasis website at The images show that there is more stroke damage (white areas) in the five sections from control animals (Left Panel) when compared to the same brain regions in the animals with stroke treated with the MTfp-siRNA (Right Panel).

(2) Thirty-minutes after induction of stroke, the neurological scores of the animals treated with the MTfp-siRNA were significantly better than those of control animals. At 24 hours, controls animals demonstrated a slight improvement in neurological scores while MTfp-siRNA treated animals showed a vast improvement and exhibited nearly normal neurological scores.

"The results clearly demonstrate that in an established animal model of stroke, therapeutic levels of siRNA that down-regulate the expression of a key pathogenic gene were successfully delivered by MTfp to the brain, resulting in a significant reduction of infarct damage and improvement of neurological scores associated with healthy brain function," said Dr. Wilfred Jefferies, biOasis Founding Scientist.

CEO Rob Hutchison added, "biOasis is the first company to show delivery of siRNAs to the brain of living animals. Our findings open the way to development of new strategies for therapeutic interventions for a variety of brain disorders."

About Transcend

Transcend is biOasis' proprietary platform for the delivery of therapeutics across the BBB to address unmet medical needs in the treatment of metastatic brain cancers as well as neurodegenerative and metabolic diseases. The BBB represents the single greatest challenge in treating neurological disorders. The ability to effectively and safely breech the BBB offers the opportunity for biOasis to deliver therapeutics into the brain. Transcend was originally based on MTf (melanotransferrin or P97) where the full-length protein was conjugated to therapeutic molecules. Recently biOasis identified a family of peptides within MTf that facilitates receptor mediated transcytosis. The lead peptide carrier was used in the work reported above.

About biOasis

biOasis Technologies Inc. is a biopharmaceutical company headquartered in Vancouver, Canada focused on overcoming the limitations of therapeutic drug delivery across the BBB. The company is developing and commercializing a proprietary brain delivery technology to address unmet medical needs in the treatment of central nervous system disorders. biOasis trades on the OTCQX under the symbol "BIOAF" and on the TSX Venture Exchange under the symbol "BTI". For more information about the company please visit

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On Behalf of the Board of Directors

Rob Hutchison, Chairman & CEO

"Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release"

Contact Information:

Company Contact
Scientific: Dr. Reinhard Gabathuler, 1 (514) 963-6177
General: 778-383-3280
biOasis Technologies Inc.