This Day On The Street
Continue to site
This account is pending registration confirmation. Please click on the link within the confirmation email previously sent you to complete registration.
Need a new registration confirmation email? Click here

Inovio Pharmaceutical's DNA Vaccine For The Deadly MERS Virus Induces Robust Immune Response In Preclinical Trial

BLUE BELL, Pa., Nov. 20, 2013 /PRNewswire/ -- Inovio Pharmaceuticals, Inc. (NYSE MKT: INO) announced today that preclinical testing of a DNA synthetic vaccine for the virulent Middle East Respiratory Syndrome coronavirus (MERS) induced robust and durable immune responses, demonstrating the potential for a SynCon ® DNA vaccine to prevent and treat this deadly virus.

Since 2012, when the virus was first identified, 153 cases from nine Middle Eastern countries have been reported and, alarmingly, 42% of these cases have been fatal. MERS is similar to the SARS virus which infected 8,000 people several years ago. MERS differs from SARS in that it appears to be less contagious, but MERS is almost five times as fatal as SARS, which killed 10% of those infected. There is no vaccine or effective treatment for MERS.

In this study, DNA vaccine constructs targeting multiple MERS antigens were generated using Inovio's SynCon® vaccine platform. These SynCon constructs were administered via Inovio's CELLECTRA® electroporation-based delivery technology. The vaccine constructs were observed to induce strong neutralizing antibodies and broad CD8+ T cells in mice. These findings are vital given the importance of neutralizing antibodies in preventing infection and the role T cells play in clearing infection by killing cells that harbor the virus.

Dr. J. Joseph Kim, Inovio's President and CEO, said, "Our SynCon ® platform has again generated a synthetic vaccine candidate that shows promise for providing a treatment where there is none. With human data showing the powerful killing effect of T cells generated by our vaccine for HIV and our therapy for HPV-associated cervical dysplasia and various cancers, we look forward to providing Inovio's answer to MERS, a deadly infectious disease that has unknown pandemic potential. What's even more impressive about our candidate vaccine is that it is designed with the goal to universally protect against multiple strains of MERS, which has been shown to have diverse genetic variants. With appropriate external funding, this product could become an effective shield against this deadly virus."

To begin the study, a consensus MERS "spike" protein vaccine construct was created based on multiple strains of the MERS virus.  Inovio's MERS DNA vaccine was immunogenic in mice and seroconversion, or the development of detectable specific antibodies in the blood as a result of immunization, was observed in all animals. Furthermore, the antibodies generated by the vaccine in 100% of mice (20 of 20) were able to neutralize or completely block actual infection of MERS virus in the cells, demonstrating the protective potential of this vaccine. In contrast, none of the unvaccinated mice in the control group (10) generated neutralizing antibodies. 

1 of 3

Check Out Our Best Services for Investors

Action Alerts PLUS

Portfolio Manager Jim Cramer and Director of Research Jack Mohr reveal their investment tactics while giving advanced notice before every trade.

Product Features:
  • $2.5+ million portfolio
  • Large-cap and dividend focus
  • Intraday trade alerts from Cramer
Quant Ratings

Access the tool that DOMINATES the Russell 2000 and the S&P 500.

Product Features:
  • Buy, hold, or sell recommendations for over 4,300 stocks
  • Unlimited research reports on your favorite stocks
  • A custom stock screener
Stocks Under $10

David Peltier uncovers low dollar stocks with serious upside potential that are flying under Wall Street's radar.

Product Features:
  • Model portfolio
  • Stocks trading below $10
  • Intraday trade alerts
14-Days Free
Only $9.95
14-Days Free
Dividend Stock Advisor

David Peltier identifies the best of breed dividend stocks that will pay a reliable AND significant income stream.

Product Features:
  • Diversified model portfolio of dividend stocks
  • Updates with exact steps to take - BUY, HOLD, SELL
Trifecta Stocks

Every recommendation goes through 3 layers of intense scrutiny—quantitative, fundamental and technical analysis—to maximize profit potential and minimize risk.

Product Features:
  • Model Portfolio
  • Intra Day Trade alerts
  • Access to Quant Ratings
Real Money

More than 30 investing pros with skin in the game give you actionable insight and investment ideas.

Product Features:
  • Access to Jim Cramer's daily blog
  • Intraday commentary and news
  • Real-time trading forums
Only $49.95
14-Days Free
14-Days Free


Chart of I:DJI
DOW 16,790.19 +13.76 0.08%
S&P 500 1,979.92 -7.13 -0.36%
NASDAQ 4,748.3610 -32.9030 -0.69%

Free Reports

Top Rated Stocks Top Rated Funds Top Rated ETFs