Studies Are Still Being Done On Hiv

Although there is still no cure for HIV, medical researchers are still doing studies

into how the virus works and replicates and how it affects the body. There is hope that these kinds of studies will lead to better medications for controlling the virus population within the human body and, perhaps, one day, a cure.

A study was recently conducted as an investigation into how the HIV virus actually manages to spread throughout the body. It was already known that the virus infects the T-Cells of the immune system and causes them to become inactive and to mutate, however there is now evidence that the virus actually uses the T-Cells for transportation as well.

The study was conducted on mice who had been injected with the virus. The study showed that T-Cells which were infected with the virus were used to transport the virus to other parts of the body. This allowed the virus access to more T-cells and a wider portion of the bodys immune system. Mice have been found to have an immune system that is very similar to that of a human being and so make good subjects for the study of conditions that affect the immune system which is why they were used in this study.

The infected T-cells were infected with genetically modified HIV which produced a green fluorescence. This allowed the scientists to monitor the progress of the cells. The infected cells were seen to move through the animals immune system, albeit more slowly than healthy T-cells, until they were evenly distributed throughout the system. As the cells migrate they spread the virus through the system so that the virus is able to spread into areas that it would otherwise not be able to reach.

It is hoped that this study will allow the development of medication that will help control the spread of the virus throughout the body. There are already medications available which can control and manipulate the distribution and movement of T-cells. These medications may possibly be used to help to control the spread of the virus in the system. In a study conducted into the efficacy of this approach found that mice who were injected with the T-cell movement inhibitor had lower concentrations of the virus than those who were left untreated. As such there is some evidence that the population of the virus may be controlled through inhibiting the movement of T-cells in the immune system.

It is studies like this which reveal new behaviours and new techniques that the virus makes use of that give hope that a cure for HIV is possible. In the meantime, though a cure is not yet in evidence, the medications which are being used to control HIV are becoming more and more effective and are allowing infected individuals to live longer and more normal lives. HIV is no longer the dread disease that it once was. Life expectancy and quality of living has improved a great deal with the development and progression of antiretroviral treatments and continues to do so.

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by: Pedro Banbury

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