Skin Inflammation: Ohio State University Researchers Say Black Raspberries Can Reduce Inflammation Associated With Skin Allergies
Source: Skin Inflammation Jul 02, 2020 4 years, 5 months, 2 weeks, 6 days, 20 hours, 7 minutes ago
Skin Inflammation: Researchers from Ohio State University Wexner Medical Center have demonstrated in animal models using mice that diets rich in black raspberries can reduce inflammation associated with skin allergies.
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The research findings were published in the journal:
Nutrients https://www.mdpi.com/2072-6643/12/6/1701
The study showed that black raspberries reduced inflammation from contact hypersensitivity - a condition that causes redness and inflammation in the skin.
Dr Steve Oghumu, senior author on the paper and an Assistant Professor of pathology at The Ohio State University told Thailand Medical News ,"A lot of times, treatments are directly applied to the skin such as steroids. It was interesting that the mere consumption of a fruit can achieve the same effects."
The medical researchers put a group of mice on a diet that incorporated black raspberries, equivalent to a single serving per day for humans. They also kept a control group, where mice were fed the same diet, but without black raspberries.
21 days after the diets began; the researchers exposed one of each mouse's ears to irritants that caused contact hypersensitivity. Then, they measured the reductions in swelling, comparing the ears of each mouse.
The study team found that in mice fed a diet that included black raspberries, swelling went down compared to the mice that did not eat black raspberries.
The researchers found that the black raspberries appear to modulate dendritic cells, which act as messengers to the body's immune system, telling the immune system to kick in or not, essentially whether to create inflammation or not.
Dr Oghumu added, "The immune system is very complex, with multiple players, and so once you begin to identify the unique cells that are being affected by the berries then it helps us to see how berries are inhibiting inflammation. A lot of the bad effects that we see are not always due to the pathogens or allergens themselves, but are due to the way our body responds to these triggers."
In conditions of contact hypersensitivity, for example, a person's skin encounters an allergen and the body responds by flooding the area with cells that cause inflammation and itchiness.
He added, "And so one way to manage these types of diseases is controlling that response, and that is one of the things black raspberries appear to be able to do.”
Dr Oghumu and colleagues in his lab have been studying the effects of black raspberries on inflammation for years.
A diet rich in black raspberries has shown promise in reducing inflammation associated with some types of cancer, and Dr Oghumu and his team have wondered if fruit might also help reduce inflammation in other conditions.
This research is an early indication that those benefits might exist, Dr Oghumu said. He noted that more work needs to be done to determine what specific properties of black raspberries lead to a decrease in inflammation.
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