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  • Paper: Enzyme that digests vitamin A also may regulate testosterone levels

    An enzyme that metabolizes beta carotene may play a vital role in testosterone metabolism as well, according to a new study led by researchers at the University of Illinois. From left to right, professor emeritus of food science and nutrition John W. Erdman Jr., molecular and integrative physiology professor Eric C. Bolton and professor emeritus of comparative pathology Matthew A. Wallig. Additional co-authors: Illinois alumni Joshua W. Smith and Nikki A. Ford, and Steven K. Clinton, Nancy E. Moran and Jennifer M. Thomas-Ahner, all of Ohio State University.

    An enzyme that metabolizes beta carotene may play a vital role in testosterone metabolism as well, according to a new study led by researchers at the University of Illinois. From left to right, professor emeritus of food science and nutrition John W. Erdman Jr., molecular and integrative physiology professor Eric C. Bolton and professor emeritus of comparative pathology Matthew A. Wallig. Additional co-authors: Illinois alumni Joshua W. Smith and Nikki A. Ford, and Steven K. Clinton, Nancy E. Moran and Jennifer M. Thomas-Ahner, all of Ohio State University.

    Photo by L. Brian Stauffer

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  • Editor’s note:  To contact Joshua W. Smith, email joshuasmith@jhu.edu

    To contact John Erdman, email jwerdman@illinois.edu

    The paper “Mice lacking B-carotene-15,15’-dioxygenase (BCO1) exhibit reduced serum testosterone, prostatic androgen receptor signaling, and prostatic cellular proliferation” is available online from the publisher or from the News Bureau.