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Researchers see antibody evolve against HIV
Nature News ^ | 03 April 2013 | Erika Check Hayden

Posted on 04/04/2013 9:05:51 PM PDT by neverdem

Study could aid development of more effective vaccines.

For the first time, scientists have tracked in a patient the evolution of a potent immune molecule that recognizes many different HIV viruses.

By revealing how these molecules — called broadly neutralizing antibodies — develop, the research could inform efforts to make vaccines that elicit similar antibodies that can protect people from becoming infected with HIV. The researchers, led by Barton Haynes of Duke University School of Medicine in Durham, North Carolina, found that broadly neutralizing antibodies developed only after the population of viruses in the patient had diversified — something that had been suspected of occurring in patients, but had not actually been observed. The team reports its findings on Nature's website today1.

“This is a really beautiful demonstration,” says William Schief, a protein engineer specializing in vaccine design at the Scripps Research Institute in La Jolla, California. “It poses the question for the vaccine-design field of how much of that viral diversity we need to incorporate into our vaccine regimens to try to elicit broadly neutralizing antibodies.”

HIV mutates so frequently that it has been extremely difficult to design vaccines that recognize enough forms of the virus to be effective. For the past decade, HIV-vaccine designers have tried to make progress by studying broadly neutralizing antibodies, hoping to understand what gives these molecules their ability to bind to and recognize many different HIV viruses.

But getting human cells to make broadly neutralizing antibodies has been more difficult than researchers expected, because they are unusually complicated and normally evolve their potency against HIV long after the virus has established its infection in the body.

The antibody that Haynes and his colleagues describe today, dubbed CH103, recognizes fewer HIV viruses than some other broadly neutralizing antibodies, such as those in a class...

(Excerpt) Read more at nature.com ...


TOPICS: Culture/Society; News/Current Events; Testing
KEYWORDS: ch103; godsgravesglyphs; helixmakemineadouble; hiv; immunology; microbiology; virology

1 posted on 04/04/2013 9:05:51 PM PDT by neverdem
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To: Mother Abigail; vetvetdoug; Smokin' Joe; Global2010; Battle Axe; null and void; grey_whiskers; ...
New bird flu strand could be linked to dead pigs in Shanghai river

FReepmail me if you want on or off my combined microbiology/immunology ping list.

2 posted on 04/04/2013 9:25:41 PM PDT by neverdem ( Xin loi min oi)
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To: neverdem

Interesting- this research could pay dividends for a lot of other viral infections. I can see it leading to a flu shot that covers more than one season.


3 posted on 04/04/2013 9:26:01 PM PDT by Squawk 8888 (True North- Strong Leader, Strong Dollar, Strong and Free!)
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To: neverdem
I am NOT taking an HIV vaccine....

could have saved a lot of money and effort if the homosexuals would have just acting a little more moral and a little less animal...

4 posted on 04/04/2013 9:41:23 PM PDT by cherry
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To: neverdem

That research sounds like fun.


5 posted on 04/04/2013 11:04:06 PM PDT by TChad (Call them Oppressives, not Progressives.)
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To: 2ndreconmarine; Fitzcarraldo; Covenantor; Mother Abigail; EBH; Dog Gone; ...

Ping (Thanks, neverdem!)


6 posted on 04/04/2013 11:09:32 PM PDT by Smokin' Joe (How often God must weep at humans' folly. Stand fast. God knows what He is doing)
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To: neverdem

Evolutiion? Piffle!

It’s still just a virus - get back to me when it turns into a monkey


7 posted on 04/04/2013 11:34:19 PM PDT by Psiman (PS I am not a crackpot)
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To: Smokin' Joe

Thanks for the ping! Very interesting research!


8 posted on 04/05/2013 1:02:01 AM PDT by LibertyRocks
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To: Psiman
Evolutiion? Piffle!

It’s still just a virus - get back to me when it turns into a monkey

Oh, puh-leeze. The same evolutionary forces that shape the HIV virus shape you, as well. Ever hear of cancer? That's the result of evolutionary forces.

Get back to me when you learn a little more science.

9 posted on 04/05/2013 5:13:13 AM PDT by exDemMom (Now that I've finally accepted that I'm living a bad hair life, I'm more at peace with the world.)
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To: neverdem

Ah, the eternal holy grail of medical research: a universal vaccine.

I have to read the article later... I’m expected at work, where I get to read medical articles all day...


10 posted on 04/05/2013 5:14:12 AM PDT by exDemMom (Now that I've finally accepted that I'm living a bad hair life, I'm more at peace with the world.)
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To: exDemMom

Why would he need to read a science book? It it doesn’t agree with the koran, it’s heresy and should be burned. If it does agree with the koran it’s an unnecessary distraction, and should be burned.


11 posted on 04/05/2013 7:48:58 AM PDT by null and void (Gun confiscation enables tyranny. Republicans create the tools of oppression and Democrats use them.)
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To: null and void

+1. ;)


12 posted on 04/05/2013 7:50:24 AM PDT by allmendream (Tea Party did not send GOP to D.C. to negotiate the terms of our surrender to socialism)
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To: martin_fierro; blam; StayAt HomeMother; Ernest_at_the_Beach; decimon; 1010RD; 21twelve; 24Karet; ...

 GGG managers are SunkenCiv, StayAt HomeMother & Ernest_at_the_Beach
Thanks neverdem.

Just adding to the catalog, not sending a general distribution.

To all -- please ping me to other topics which are appropriate for the GGG list.


13 posted on 04/05/2013 8:51:44 PM PDT by SunkenCiv (Romney would have been worse, if you're a dumb ass.)
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To: Smokin' Joe

Thanks for the ping!


14 posted on 04/06/2013 8:36:38 PM PDT by Alamo-Girl
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To: Alamo-Girl

You’re Welcome, Alamo-Girl!


15 posted on 04/07/2013 11:29:15 AM PDT by Smokin' Joe (How often God must weep at humans' folly. Stand fast. God knows what He is doing)
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To: Alamo-Girl

You’re Welcome, Alamo-Girl!


16 posted on 04/07/2013 11:29:51 AM PDT by Smokin' Joe (How often God must weep at humans' folly. Stand fast. God knows what He is doing)
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