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Scientists Discover Antibody That Neutralizes 98% of HIV Strains (inquisitr.com)

An anonymous reader quotes a report from The Inquisitr: The National Institute of Allergy and Infectious Diseases (NIAID) announced this week that a "remarkable" breakthrough has been made in the study of preventing and treating the human immunodeficiency virus (HIV), the virus that leads to acquired immunodeficiency syndrome (AIDS), according to a press release posted on the agency's official website. The breakthrough centers around the discovery of a powerful antibody named N6 that is highly effective in both binding to the surface of the HIV virus and neutralizing it. The former has proved elusive in the past. "Identifying broadly neutralizing antibodies against HIV has been difficult because the virus rapidly changes its surface proteins to evade recognition by the immune system," the press release explains. The antibody was initially discovered in an HIV-positive person and has since proven to potentially neutralize 98 percent of HIV isolates, "including 16 of 20 strains resistant to other antibodies of the same class," according to the press release. Researchers have had previous success with other antibodies, but N6 appears to be more effective. The new discovery has potential benefits far beyond preventing and treating HIV as well. Studying exactly how N6 works could potentially lead to breakthroughs in other anti-viral antibodies. "Findings from the current study showed that N6 evolved a unique mode of binding that depends less on a variable area of the HIV envelope known as the V5 region and focuses more on conserved regions, which change relatively little among HIV strains," NIAID explains. "This allows N6 to tolerate changes in the HIV envelope, including the attachment of sugars in the V5 region, a major mechanism by which HIV develops resistance to other VRC01-class antibodies. Due to its potency, N6 may offer stronger and more durable prevention and treatment benefits, and researchers may be able to administer it subcutaneously (into the fat under the skin) rather than intravenously. In addition, its ability to neutralize nearly all HIV strains would be advantageous for both prevention and treatment strategies."

4 of 90 comments (clear)

  1. 98 by markdavis · · Score: 5, Interesting

    >"Identifying broadly neutralizing antibodies against HIV has been difficult because the virus rapidly changes" ... "since proven to potentially neutralize 98 percent of HIV isolates"

    So the remaining 2% quickly change to be resistant and in a few years we are back where we started again? 98% sounds great for some things. But if you had 200 fleas and got rid of 396, those remaining 4 can potentially become 200 again pretty quickly.

    1. Re:98 by KBentley57 · · Score: 5, Insightful

      I'd say this is a pretty pessimistic viewpoint. If we could eliminate HIV in 98% of patients today, it'd go a long way in terms of eradication. Combined with preventative care, you'd be looking at just over 1 million lives changed for the better in the US alone. Not only that, but the time gained from 2% -> 100% again (worst case scenario) would give needed time for further research.

  2. Re:Sigh. Way too old for a career change. by PopeRatzo · · Score: 5, Interesting

    One of my biggest academic regrets... no organic chem, no serious cellular biology. Such an exciting time in those fields these days.

    I guess so. My kid, who was working on a PhD in Math (like her mom) suddenly up and decided to change to some kind of "bio-mathematics" that has all sorts of the stuff you mentioned. Since my academic career was strictly in the Humanities, I don't have a clue about any of it, but it sounds like there's a lot of stuff going on. Some big lab recruited her to work there while she's finishing her degree and damned if she's not making as much as an associate professor. And she'll be graduating without a dime of debt, which makes Mom and I happy, since we told her we'd cover the cost of her education. Maybe now I can buy that sports car.

    Me, I wish I'd learned HVAC. People will always need ducts in their houses, and heat and cooling. And there's very little math, which is good.

    --
    You are welcome on my lawn.
  3. Corrected headline: by tlambert · · Score: 5, Funny

    Corrected headline:

    "Persons Immune System Discovers Antibody That Neutralizes 98% of HIV Strains; Scientists Take Credit"

    Betting pool on how long it takes to patent, and who gets the patent, starts now...