Resveratrol, as previously mentioned as a red wine compound that may lower a person’s risks for brain disorders, heart disease and type-2 diabetes. It is also considered for cancer prevention and anti-inflammation. Here Evangelyn Rodriguez, NaturalNews.com, reflects on how resveratrol can improve organ transplant procedures:

“Resveratrol has long been hailed as a miracle worker, especially when it comes to lowering blood cholesterol levels and blood pressure. According to numerous studies, this plant compound from the skin of red grapes is responsible for the heart benefits conferred by red wine. Resveratrol has also been linked to neuroprotection, particularly against age-related cognitive decline. But early this year, researchers from The Catholic University of Korea St. Mary’s Hospital found another great use for resveratrol: They found that it can suppress unfavorable immune response following an organ transplant. In their study published in the journal BMC Complementary and Alternative Medicine, the researchers described how resveratrol treatment inhibits the activity of T helper 17 cells or Th17 cells, immune cells that mediate allograft rejection, in a mouse skin transplant model.

The immunosuppressive effects of resveratrol

In their previous study, the researchers reported that tacrolimus (Tac), an immunosuppressive drug commonly used after organ transplantation, does not reduce Th17 response after kidney transplantation. They, therefore, decided to look for a complementary treatment that can increase its efficacy. The researchers settled on resveratrol, a known polyphenol with various biological activities. Recent studies suggest that this compound has immune-modulating effects in various immune diseases that rely on Th17.

Under Tac-treatment conditions, the researchers evaluated the effects of resveratrol on CD4+ T cell differentiation to Th17 cells in peripheral blood mononuclear cells (PBMCs). They also examined its effects on the proliferation of CD4+ T cells co-cultured with human renal proximal tubular epithelial cells (HRPTEpiCs). Additionally, they used a murine skin transplant model to test the effects of resveratrol on Th17 cells.

The researchers reported that in PBMCs — the major cells involved in human immunity — treatment with a combination of Tac and resveratrol suppressed Th17 immune response. In the co-culture study, the same combination significantly decreased HRPTEpiC-induced T cell proliferation.

Meanwhile, resveratrol treatment in Jurkat cells — immortalized T lymphocyte (white blood cells) cell line — also induced AMP-activated protein kinase (AMPK) expression but suppressed mammalian target of rapamycin (mTOR) expression. AMPK is an enzyme that regulates cellular metabolism while mTOR is a signaling molecule that regulates a wide range of cellular functions, such as transcription, translation, growth, survival, and differentiation. The inhibition of mTOR meant that resveratrol could block the Th17 pathway.”

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