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DGAP-News: Defence Therapeutics Inc. / Key word(s): Miscellaneous
13.12.2021 / 08:30
The issuer is solely responsible for the content of this announcement.



Vancouver, BC, Canada, December 13th, 2021 - Defence Therapeutics Inc. ("Defence" or the "Company"), a biotechnology company focused on the development of vaccines and therapeutics against cancer and infectious diseases, is pleased to announce that its AccumTM platform can potently enhance Cas9 delivery in target cells, which would have a significant positive impact on the CRISPR industry.

The CRISPR technology offers the potential to transform medicine, enabling both the treatment or prevention of many illnesses by deleting or inserting genes in a targeted manner. This technology is central to the biotech industry as it can be used to treat multiple illnesses such as cancer, viral diseases (HIV and Hepatitis B) as well as several genetic disorders. The essence of this technology is simple and requires two important tools: 1) a piece of genetic material to guide the editing process, and 2) the co-delivery of a Cas protein to cut/edit the DNA. Of all the Cas protein currently identified, Cas9 is the most widely used by scientists as it can easily find and bind to almost any desired target sequence, simply by giving a piece of RNA to guide it in its search.

Delivery of the Cas9 protein instead of a DNA-encoding sequence gives the advantage of decreasing off-target activity of Cas9. The current and existing protein delivery tools available today are inefficient at delivering proteins inside the nucleus of target cells. More specifically, any delivered protein ends-up being entrapped and degraded within small endosome-lysosome vesicles. Consequently, the pool of cytosolic Cas9 is low in magnitude making it difficult to reach the nucleus for efficient DNA editing activity. As such, multiple deliveries have to be attempted to reach enough nuclear Cas9 material.

The AccumTM platform is designed to accumulate a given molecule in target cells. The Defence team has tested AccumTM's ability to improve Cas9 delivery to cells. The obtained results, with only a single AccumTM dose and without any added use of a complex lipid formulation, are astonishing. The accumulation of AccumTM-linked Cas9 inside the nucleus of the cells was at least 9-fold higher of the free Cas9 when added to mammalian cells in vitro.

"We successfully provide another strong example of how versatile and powerful AccumTM is for delivering proteins of crucial importance. This observation is key to Defence as it's paving the path to strategic partnerships with major pharmaceutical companies in the field looking to improve their CRISPR/Cas9 editing approach", says Mr. Plouffe, CEO of Defence Therapeutics.

With such amazing data in hand, Defence will actively be looking to partner with major players in the field in order to move forward on CRISPR-based treatments designed for specific indications.

As per the report published by Fior Markets, the global gene editing market is expected to grow from USD 4.2 billion in 2020 to USD 13 billion by 2028, at a CAGR of 15.2% during the forecast period 2021-2028.

About Defence:
Defence Therapeutics is a publicly-traded biotechnology company working on engineering the next generation vaccines and ADC products using its proprietary platform. The core of Defence Therapeutics platform is the ACCUMTM technology, which enables precision delivery of vaccine antigens or ADCs in their intact form to target cells. As a result, increased efficacy and potency can be reached against catastrophic illness such as cancer and infectious diseases.

For further information:
Sebastien Plouffe, President, CEO and Director
P: (514) 947-2272

Cautionary Statement Regarding "Forward-Looking" Information

This release includes certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical facts, that address events or developments that the Company expects to occur, are forward-looking statements. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the actual results to differ materially from those in forward-looking statements include regulatory actions, market prices, and continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change.

Neither the CSE nor its market regulator, as that term is defined in the policies of the CSE, accepts responsibility for the adequacy or accuracy of this release.

13.12.2021 Dissemination of a Corporate News, transmitted by DGAP - a service of EQS Group AG.
The issuer is solely responsible for the content of this announcement.

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Language: English
Company: Defence Therapeutics Inc.
1680 - 200 Burrard St
V6C3L6 Vancouver
ISIN: CA24463V1013
Listed: Regulated Unofficial Market in Frankfurt, Stuttgart; Toronto
EQS News ID: 1256768

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Last Updated: 13-Dec-2021