Key Component In Household Vinegar Could Treat Anemia

Researchers at UT Southwestern Medical Center have found that giving acetate, a key component in household vinegar, to anemic mice stimulated the formation of new red blood cells.

Researchers at UT Southwestern Medical Center have found that giving acetate, a key component in household vinegar, to anemic mice stimulated the formation of new red blood cells. The study sought novel ways to treat anemia.

Currently, the hormone erythropoietin is administered to treat anemia, but this treatment carries with it side effects such as hypertension and thrombosis (blood clotting). The new research, which was performed in mice, suggests that acetate supplements could eventually be a suitable supplement or possibly even an alternative to administration of erythropoietin.

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"Using rational interventions based on the mechanistic insights gleaned from our current studies, we may be able to treat acutely or chronically anemic patients with acetate supplements and thereby reduce the need for blood transfusions or erythropoietin therapy," said Dr. Joseph Garcia, Associate Professor of Internal Medicine at UT Southwestern, staff physician-scientist at the VA North Texas Health Care System, and senior author of the study, published in Nature Medicine.

Anemia is the most common blood disorder, affecting some 3.5 million people, including children and women of child-bearing age, as well as many elderly persons. It can have a significant impact on quality of life, leading to fatigue, weakness, and decreased immune function. People who are anemic produce insufficient red blood cells, which deliver oxygen to tissues throughout the body.

UT Southwestern researchers began their studies by identifying a critical pathway that controls the production of red blood cells in conditions of stress, such as low oxygen. Using genetically modified mice, researchers observed that low oxygen, a state known as hypoxia, stimulates the production of acetate.

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Acetate, in turn, activates a molecular pathway that ultimately results in the production of red blood cells, or erythropoiesis, by triggering the production of the protein that stimulates this process, called erythropoietin.

"Our study shows that acetate functions as a biochemical 'flare,' linking changes in cell metabolism that occur during hypoxia with the activation of a selective stress signaling pathway," Dr. Garcia said.

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Source-Eurekalert

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