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SEASONS_CHANGE's Photo SEASONS_CHANGE SparkPoints: (31,067)
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6/30/11 9:46 A

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Those who only talk about it are usually passed up by those who are quiet & actually doing it. Life's a climb but the view is great.

~Kelly~


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PHEBESS's Photo PHEBESS Posts: 31,995
6/30/11 8:17 A

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I've said it before and I'm sure I'll say it again - you are a sweetheart! Thank you for your support!

"Dance as if no one is watching."


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SEASONS_CHANGE's Photo SEASONS_CHANGE SparkPoints: (31,067)
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6/30/11 8:11 A

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Very sorry to hear that. Keep us posted on his progress. I printed the article out and plan on taking it to my doctor to find out more information.

Sending you guys some lovin' across the miles and keep your chin up.

Those who only talk about it are usually passed up by those who are quiet & actually doing it. Life's a climb but the view is great.

~Kelly~


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PHEBESS's Photo PHEBESS Posts: 31,995
6/29/11 9:44 A

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I read that article too. Not good. DH has shown signs of decrease in cognitive functions, and we've always chalked it up to his aging (he's 63) - but he had a secondary infection (PML) that is basically an infection of the white brain matter, and I suspect he's showing signs of this blood-brain barrier issue.

I figure if he has another good 20 years, we're okay. I just hope his brain can hold up for that long!

"Dance as if no one is watching."


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SEASONS_CHANGE's Photo SEASONS_CHANGE SparkPoints: (31,067)
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6/28/11 11:39 P

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Research Sheds Light on Cause of Brain Deficits in HIV Patients

Virus can weaken blood-brain barrier and infect cells that normally support brain, study finds

TUESDAY, June 28 (HealthDay News) -- Some HIV patients experience memory loss and other neurological deficits, despite treatment, and new research suggests that the reason why is because the virus weakens the blood-brain barrier by infecting a small group of supporting brain cells called astrocytes.

The blood-brain barrier is a network of blood vessels that protects the brain from harmful chemicals and toxins. In healthy people, astrocytes help bolster the blood vessels that comprise the blood-brain barrier.

The finding, published in the June 29 issue of the Journal of Neuroscience, may help explain why 40 percent to 60 percent of HIV patients on antiretroviral therapy experience mild to moderate neurological problems such as learning difficulties.

For this study, the researchers built a model of the blood-brain barrier using human cells in the laboratory. The research was supported by the U.S. National Institute of Mental Health.

"Our results suggest HIV infection of astrocytes may be important in the onset of cognitive impairment in people living with the disease," study author Eliseo Eugenin, of Albert Einstein College of Medicine, said in a news release from the Society for Neuroscience.

"New therapies are needed that not only target the virus, but also to stop the virus from spreading damage to other uninfected brain cells," Eugenin added.

"Researchers have been stymied to explain why HIV-associated neurological complications persist, despite potent combination antiviral therapies that have dramatically improved health and survival," Igor Grant, an expert in HIV-associated neurocognitive impairment at the University of California, San Diego, said in the news release.

"This study provides a possible explanation indicating that minute numbers of infected astrocytes can trigger a cascade of signals that could open the brain to various toxic influences," explained Grant, who was not involved with the study.

www.sparkpeople.com/resource/health_
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healthyminds.org/Main-Topic/HIV-AIDS
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Those who only talk about it are usually passed up by those who are quiet & actually doing it. Life's a climb but the view is great.

~Kelly~


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