Friday 15 February 2019

Focus on resistance to HIV offers insight into how to fight the virus


Of the 40 million people around the world infected with HIV, less than one per cent have immune systems strong enough to suppress the virus for extended periods of time. These special immune systems are known as "elite controllers." But how do they actually fight HIV? Canadian scientists think they've found an important clue.
Working in collaboration with a team from the Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM), researchers at the Laboratory of Antiviral Immunity of Université du Québec à Trois-Rivières (UQTR) have found that genetic mutations affecting the capsid, the structure surrounding the HIV genome, make it possible for a protein called TRIM5α to trigger the immune system of elite controllers.
This discovery, recently published in PLOS Pathogens, sheds light on the role that TRIM5α plays in the human body. In elite controllers, the protein sets off a mechanism that protects against HIV-1, the type of HIV responsible for the global pandemic. "In most infected individuals, TRIM5α's triggering ability is so weak that it has no effect on the virus, but in elite controllers, TRIM5α seems to play a role in naturally inhibiting HIV-1," said lead author Natacha Mérindol, a postdoctoral researcher at the UQTR lab.
There is no vaccine or cure for HIV-1. That's why it's important to understand why the virus is naturally inhibited in elite controllers, said Mérindol, who works under the direction of UQTR medical biology professor Lionel Berthoux, head of the lab, and Dr.Cécile Tremblay, a professor at Université de Montréal's Faculty of Medicine and a clinical researcher at CRCHUM.
"Our HIV-positive patients played an essential role in making this research possible and we would like to thank them for their incredible generosity and availability," said Tremblay, a microbiologist and infectious disease specialist at the CHUM. "It's an important study that could advance research on HIV vaccines."

Source: University of Montreal

8 comments:

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  6. i already gave up on ever getting cured of HSV2 because i have try many treatment none of them work out for me i have go to different hospital they always tell me same thing there is no cure for herpes when i came across a post about Dr ohunyom, in the net from a lady called Angela i contacted him and he reassured me with him herbal medicine which i took according to the way he instructed, that how i was cured. I doubted at first because i have been to a whole lot of reputable doctors, tried a lot of medicines but none was able to cure me. so i decided to listen to him and he commenced treatment, and under two weeks i was totally fee from #Herpes. i want to say a very big thank you to DR ohunyom for what he has done in my life. feel free to leave him a message on email drohunyom@gmail.com and also WhatsApp him +2349060579973..
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