How Does HIV Really Spread? Direct Cell-to-Cell Contact Says Study
A recent study has revealed the link between HIV and its spread in the human body.
A recent study has revealed the link between HIV and its spread in the human body.(Photo: iStockphoto)

How Does HIV Really Spread? Direct Cell-to-Cell Contact Says Study

(World AIDS Day is observed on December 1st every year. With more than 21 million patients, India has the third-highest burden of the disease after South Africa and Nigeria. FIT is reposting this story in that light.)

After over three decades of research, we still don’t understand nearly enough about the AIDS causing pathogen, HIV, or human immunodeficiency virus. But a recent study has innovated the research process and presented a new understanding of the link between HIV and its spread in the human body.

ANI reported that a recent study in the journal Nature Communications disrupted the typical way HIV research is conducted, that is, in a test tube or a two-dimensional environment.

Instead, by using innovative cell culture systems, quantitative image analysis, and computer simulation, the study aimed to mimic the environment inside the three-dimensional, complex human body which is the site where HIV spreads.

Also Read : Human Trail of a Long-Lasting HIV Vaccine to Start in China

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“Studies on HIV replication in the lab are mostly conducted in simple cell culture experiments in plastic dishes that do not reflect the complex architecture and heterogeneity of tissue.”
Dr Oliver Fackler at Heidelberg University Hospital

The results of this approach revealed that the tissue structure powers the virus to spread through direct cell-to-cell contact.

Inter-Disciplinary Approach Used to Further Understand HIV

To conduct this experiment, colleagues from different fields like image processing, theoretical biophysics and mathematical modelling collaborated with scientists.

“This yielded a very complex set of data that was impossible to interpret without the help from scientists of other disciplines.”
Dr Andrea Imle, who worked on the project during her Ph.D.

The findings also revealed that the 3D environment of the cell actually suppresses infections with a cell-free virus, and yet also enabled direct cell to cell virus transmissions.

The researchers believe that these new findings will pave the way for better HIV treatment.

Also Read : Goa May Make HIV Tests Mandatory Before Marriage Registration

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