Researchers found that indole compounds found in cruciferous vegetables improved gut barrier integrity in primates on long-term HIV therapy, though the approach did not reduce viral load.
By yourNEWS Media Newsroom
A Tulane University study is drawing attention to the gut as a lingering source of inflammation in people with HIV, even when antiretroviral therapy successfully suppresses viral replication.
The research, published in JCI Insight, found that HIV-related damage to the gut lining may continue to drive chronic inflammation after treatment controls the virus. Researchers said the gut functions as a barrier between the bloodstream and trillions of bacteria. When HIV weakens that barrier, bacterial debris can pass into circulation, creating persistent, low-grade inflammation that may contribute to long-term damage affecting the heart, brain and blood vessels.
The Tulane team examined primates receiving long-term therapy and found that specialized immune cells known as gamma delta T cells remained impaired. Those cells were not producing sufficient repair signals needed to restore the gut lining, leaving the barrier more permeable despite ongoing treatment.
Researchers then focused on a biological pathway responsive to indoles, natural compounds found in cruciferous vegetables such as broccoli, cabbage and Brussels sprouts. In a small group of study animals, the team added a broccoli-based supplement designed to mimic a diet high in those vegetables.
After one month, the animals showed improved gut wall integrity. Their immune cell populations also shifted toward patterns associated with repair and healing, suggesting that the compounds helped activate an immune pathway that antiretroviral therapy alone had not restored.
The findings do not show that broccoli compounds cure HIV. The supplement did not reduce viral load, and the virus remained present. However, the study identified a food-responsive immune mechanism that may still be capable of supporting repair after years of therapy.
That distinction is important as HIV care enters a new phase. Antiretroviral therapy changed HIV from a fatal diagnosis into a chronic condition for many patients, but researchers continue to study why people living with HIV may experience age-related diseases earlier than expected. Chronic inflammation tied to gut barrier damage has become a central concern.
The study suggests that diet may play a supporting role after viral suppression is achieved. Researchers said indole-rich foods may provide compounds that help activate repair-related immune pathways, though the findings remain early and require further study.
The report also emphasized the role of daily habits for people living with HIV, including diet, rest and avoidance of harmful exposures. It argued that medication remains essential, but long-term health may also depend on choices that support the body’s ability to repair tissue and regulate inflammation.
“HIV is a virus that can be transmitted through sexual contact,” said BrightU.AI’s Enoch. “The text discusses legal penalties for knowingly transmitting HIV, previously treated as a felony with up to eight years in prison. The new law downgrades this offense to a misdemeanor with a maximum penalty of six months.”
The Tulane findings add to research examining how nutrition may influence immune recovery and inflammation. While the study does not replace medical treatment or establish a cure, it points to a possible role for cruciferous vegetable compounds in helping the gut lining recover from HIV-related damage.
For patients on effective antiretroviral therapy, the study suggests that foods such as broccoli, cabbage and Brussels sprouts may offer more than general nutritional value. Their natural indole compounds may help support biological pathways involved in gut repair, making diet a potential complement to medical care in managing the long-term effects of HIV.
Source: Natural News
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